sci.electronics.repair@googlegroups.com

Today's topics:

* Lead free solder - 4 messages, 3 authors
http://groups.google.com/group/sci.electronics.repair/t/7ff46ef49e9b7de3?hl=en
* Really "need to" replace older CATV cables? Would my cable provider really
filter my line against my will? - 3 messages, 2 authors
http://groups.google.com/group/sci.electronics.repair/t/31e43b6766887486?hl=en
* A specific PCB bad practise, term for it ? - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/8689adb4b80bfe29?hl=en
* SANYO DC-F165U mini system - low volume - schematic? - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/35e95f296873f672?hl=en
* Problem with Atmel micro in a Kaon TV decoder - 6 messages, 3 authors
http://groups.google.com/group/sci.electronics.repair/t/d5fa629ff20dbe40?hl=en
* Annoying Clock on Microwave - 7 messages, 5 authors
http://groups.google.com/group/sci.electronics.repair/t/408849711f765a28?hl=en
* 42" Panasonic plasma TV model: TH-42PX60U dead - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/c8e947a6771af994?hl=en
* Toshiba Satellite Pro M15-S405 PCB flux rot - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/5f474e30d60254b9?hl=en
* Updated List 2011. Solutions Manuals, Instructor Manuals & Test Banks
Collection. Largest Collection Over The Net !!! - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/71f8e4d7d4b2a58e?hl=en

==============================================================================
TOPIC: Lead free solder
http://groups.google.com/group/sci.electronics.repair/t/7ff46ef49e9b7de3?hl=en
==============================================================================

== 1 of 4 ==
Date: Sat, Apr 23 2011 8:22 am
From: Smitty Two

In article <91f8mjFosbU1@mid.individual.net>,
"Phil Allison" <phil_a@tpg.com.au> wrote:

> " Meat Plow is a MORONIC FUCKHEAD "
>
>
> ** The simple truth.
>
>
>
>
> .... Phil

Wow, Meat, you can predict the future! How about giving me this week's
winning lottery numbers?

== 2 of 4 ==
Date: Sat, Apr 23 2011 11:11 am
From: Meat Plow

On Sat, 23 Apr 2011 16:08:12 +1000, Phil Allison wrote:

> " Meat Plow is a MORONIC FUCKHEAD "
>
>
> ** The simple truth.
>
>
>
>
> .... Phil

Phil Allison is as predictable as the eastern rising of the sun every
morning followed by it setting in the west. This is the quintessential
truth.

--
Live Fast Die Young, Leave A Pretty Corpse

== 3 of 4 ==
Date: Sat, Apr 23 2011 11:15 am
From: Meat Plow

On Sat, 23 Apr 2011 08:22:29 -0700, Smitty Two wrote:

> In article <91f8mjFosbU1@mid.individual.net>,
> "Phil Allison" <phil_a@tpg.com.au> wrote:
>
>> " Meat Plow is a MORONIC FUCKHEAD "
>>
>>
>> ** The simple truth.
>>
>>
>>
>>
>> .... Phil
>
> Wow, Meat, you can predict the future! How about giving me this week's
> winning lottery numbers?

LOL. Phil is so predictable. Just like if you toss a coin in the air it's
a 99.999999999999999999999999999999999% chance it will land either heads
or tails.

--
Live Fast Die Young, Leave A Pretty Corpse

== 4 of 4 ==
Date: Sat, Apr 23 2011 1:40 pm
From: adrian@poppyrecords.invalid.invalid (Adrian Tuddenham)

William Sommerwerck <grizzledgeezer@comcast.net> wrote:

> >> Of course. The increased number of failures due solely
> >> to solder joints has kept many a service department busy.
> >> Reworking with "decent" solder is the simplest treatment.
>
> > Not in Europe it isn't. There are heavy fines for doing that.
>
> How would the government know? Are there solder Nazis breaking into service
> shops, looking for rolls of illicit lead-based solder?
>
> I hate callbacks. I would use lead-based solder on repairs.

The usual way the system operates is to pick on some luckless individual
who hasn't the resources to fight back and smash him to pieces in public
so it frightens everyone else. That's the way radio hams were kept in
line by the U.K. Post Office.

--
~ Adrian Tuddenham ~
(Remove the ".invalid"s and add ".co.uk" to reply)
www.poppyrecords.co.uk

==============================================================================
TOPIC: Really "need to" replace older CATV cables? Would my cable provider
really filter my line against my will?
http://groups.google.com/group/sci.electronics.repair/t/31e43b6766887486?hl=en
==============================================================================

== 1 of 3 ==
Date: Sat, Apr 23 2011 8:29 am
From: news@jecarter.us

On Fri, 22 Apr 2011 13:09:46 -0700 (PDT), Jreality
<JReality@Hotmail.Com> wrote:

>I live in a townhouse. When I first moved in here 6.5 years ago I had
>cable internet, but I got a much better deal on DSL so I dropped it
>after a month or two even though Cable was faster. A couple of
>weeks ago decided I'd try cable internet again. While waiting for a
>new modem, they were able to get me online with an old 3Com "Shark
>Fine" modem for a few days without problems before a new Motorola
>Surfboard was sent to me. When using the old 3Com, the service was
>good (no outages), but the top download speed was around 4.7mbs.
>
>When I installed the new Surboard, the top speed was faster. However,
>after the first day I discovered that there was an intermittent
>problem of the modem losing the signal. What I'm finding funny, is
>that when the Surfboard would lose the signal and go offline, the
>3Com, if connected, would be able to get online according to the cable
>company. I even tried connecting both the Surfboard and the 3Com to
>a the same two-way splitter and only the 3Com would get a signal
>during the outages. That led me to believe the problem was the
>Surfboard. They set up an appointment to have a technician arrive. I
>continued to use the Surfboard for a few days with at least 2
>intermittent outages per day.
>
>When the tech arrived, he measured the line signal and did a few
>things to improve it, such as replacing an unnecessary 3-way splitter
>with a two way, and replace a few bad connectors in the system, adding
>a filter on one of the lines going into the bedroom which he said was
>failing for noise that was likely coming from the TV, and adding a
>filter to the little TV in the office which he said was generating
>noise. He claimed his machine was still picking up "ingress" (noise)
>from the two older approximately 23-year old original cables from when
>the townhouse was originally built. While I agree that these two
>cables are older and thinner than what is currently used, and
>"ideally" would be good to replace, and they may be picking up some
>noise if his machine is really telling the truth and calibrated
>correctly, etc, but I wouldn't want to replace them unless as a last
>resort, because they are snaked through walls. One of them goes from
>basement-level to attic above 2nd story and the other from basement-
>level in front of house to 1st story at rear of house. I'm not
>allowed to have the cable company run wires outside the townhouse and
>the cable company won't snake new wires for me internally, so I would
>need to hire an electrician to do the work unless I wanted an ugly/
>visible wiring job. I fear it would be expensive to have an
>electrician install new CATV wires. How much would it generally be
>expected to cost to replace these 2 main cables in my townhouse and is
>there any risk of damaging anything from having the work done? (NOTE:
>In addition, 2 cables going from the attic to 2nd story would likely
>need replacement as well) Any idea would the total job should cost?
[snip]
>
>J.

I had problems with digital cable service being unreliable (house is
35 years old - don't know the age of the cables). One thing that
improved it was a bi-directional amplifier.

A generic 'booster' won't work on a digital system, as the cable box
talks back to the cable office to get the program you want. You
should be able to find one on ebay for under $50.

If the problem is loss or poor frequecy response in the old cables,
the amp should help.

I dropped Comcast as cable TV provider because the service was so poor
(pixellation, loss of signal on individual channels, etc). I was
never tempted to use their internet or phone offerings because their
TV up-time wasn't acceptable. I now have AT&T Uverse and the TV is
close to excellent. Among other things, the router (everything is
TCP/IP) logs loss of signal and reports in. The internet download is
7Mbs (700KBs) if the other end supports that speed.

John

== 2 of 3 ==
Date: Sat, Apr 23 2011 10:37 am
From: Jreality

The good news is that the modem has managed to remain online
continuously ever since the technician left. So perhaps, for now,
even though he is telling me I should replace the older cables,
perhaps what he did improved the signal enough so that this modem can
stay online. I got above 9 megabits per second downstream in a speed
test last night, which isn't the fastest in the world, but it's triple
the speed of DSL. If the outages happen again I can rule out the
older CATV cables, by moving the modem to a newer line/jack, and then
disconnecting the older cables from the system for a few days.

There already is an amplifier in the system. It was originally
installed when a Cable modem couldn't work upstairs in my office when
I first bought this place and had cable for a month or two. The amp
was originally on the whole system, but my one Sci. Atlanta Box in the
kitchen (actually a kitchen with a den area) eventually started
getting interruptions, and I was told that the signal to the box was
actually too strong so they added a splitter so that the signal going
to that room isn't amplified.

I'm still finding it a little "creepy" that I was being told by the
technician that someone at the cable company can go around at my area
and decide to slap a filter on my entire line at their green box, or
slap a filter on a group of people's lines in my development without
telling anyone. It seems to me that if they did that, then I should
be able to move the modem to one of the newer CATV lines that were
added after this place was built with a wireless wrouter, and insist
that they only slap filters on the older CATV cables as a solution
rather than filtering out my whole system.

They sent me a new modem because it's their policy of sending one to a
new customer. The older modem is like 10 or more years old, and the
speed I was getting wasn't as fast as a newer modem. If I could find
out what frequency it uses, then maybe the new one could be "hacked"
to use the same frequency as the older modem?

The reason I got Cable is because I have DSL too, and it was starting
to really act up, and I got fed up. For the time being, DSL actually
seems like it is back to being reliable. A major piece of equiment
failed on their end that and they had to replace it. In my opinion it
was acting up before it failed completely and causing some major DSL
outages and some days of frequent intermittent outages before they
fixed it. I signed up for Cable while DSL was troublesome, but Cable
proved unreliable too, at least up until now. I'm gonna keep both
for a while because I need a backup in case one has an outage. I
may drop one of the two and get a mobile hotspot as a backup. Is
Verizon any good for that?

I won't tell you who my DSL provider is but lets just say the name
begins with a V and ends in an n, and their DSL has had frustrating
intermittant outages at times. Their tech support is not located in
the US, and if you call them when there is an outage in your area, it
can take several hours just for them to confirm you're not the only
person having a connection problem, and they make you go through all
kinds of steps on your end to try and rule out that it's your modem,
etc.

J.

== 3 of 3 ==
Date: Sat, Apr 23 2011 11:02 am
From: Jreality

<< But finding someone who really knows how to hide the wires
is not easy. Most higher caliber electricians can do it but they
usually simply refuse because it is a ballbuster. I can do it, but
unles you live nearby it is not going to happen. >>

Unless, you're in the general NYC area, that's probably not
feasible.

==============================================================================
TOPIC: A specific PCB bad practise, term for it ?
http://groups.google.com/group/sci.electronics.repair/t/8689adb4b80bfe29?hl=en
==============================================================================

== 1 of 1 ==
Date: Sat, Apr 23 2011 8:36 am
From: Smitty Two

In article <iouqr0$pl0$1@dont-email.me>, "N_Cook" <diverse@tcp.co.uk>
wrote:

> Where holes are drilled for thru-board components but of diameter far too
> big , thru-hole plated , but no eyelet/inserts used to fill the gap. So
> 1N4001 size leads in holes twice their diameter and 1N4148 in holes twice
> their diameter. So not a case of only one drill size for all. So in area
> terms about 1 to 4 ratio of lead to solder. Bad enough practise with proper
> solder but with PbF, ring cracks starting all over.
> Is it to avoid mutiny by the by-hand board populators ?

It's just careless design. As a contract assembly house, I see stuff
like that all the time. Surface mount footprints the wrong size for the
component, radial through holes for axial components, etc. ad infinitum.
Quoted a one-off prototype board last week at 3 hours, took 17, due to
documentation (and a slew of other) problems.

EEs should be allowed a pencil and a paper napkin to sketch out the
schematic, but after that, the board layout and overall product design
should be turned over to someone who's actually familiar with
manufacturing practices.

==============================================================================
TOPIC: SANYO DC-F165U mini system - low volume - schematic?
http://groups.google.com/group/sci.electronics.repair/t/35e95f296873f672?hl=en
==============================================================================

== 1 of 1 ==
Date: Sat, Apr 23 2011 9:01 am
From: b

Fixed! :-)
Where the front display/ control panel meets the main amp/tuner panel
there are a series of wire links. Helpfully labellled too. Touching
the L-in and L-out with a finger brought full audio. Same for R
channel.

After much head scratching as to where the signal was getting lost, I
found a hairline crack acorss the pcb behind the EQ/treble sliders.
Repairing this fixed the unit.

regards, B

==============================================================================
TOPIC: Problem with Atmel micro in a Kaon TV decoder
http://groups.google.com/group/sci.electronics.repair/t/d5fa629ff20dbe40?hl=en
==============================================================================

== 1 of 6 ==
Date: Sat, Apr 23 2011 10:00 am
From: Jeroni Paul

I have a Kaon satellite/terrestrial decoder that while starting up it
will reboot several times until it works. After a lot of checking and
testing it seems the front panel micro AT89S52 sometimes won't wait
long enough for all the hardware to initialize. Precise measurements
on the communications between this micro and the main video decoder
reveal that the hardware initializes always at the same speed and it
is the AT89S52 micro that sometimes waits longer and thus starts
successfully but sometimes aborts too early. I don't know what else to
check: supply 5V to the micro perfectly clean, even added capacitors
to check, clock clean (has its own 12MHz crystal). Don't know what
else to check, I can only conclude the micro is faulty. Unfortunately
I don't have the code that runs inside so I don't know if that delay
is implemented by a loop or a hardware timer.
Any ideas?

== 2 of 6 ==
Date: Sat, Apr 23 2011 10:31 am
From: Rich Webb

On Sat, 23 Apr 2011 10:00:51 -0700 (PDT), Jeroni Paul
<JERONI.PAUL@terra.es> wrote:

>I have a Kaon satellite/terrestrial decoder that while starting up it
>will reboot several times until it works. After a lot of checking and
>testing it seems the front panel micro AT89S52 sometimes won't wait
>long enough for all the hardware to initialize. Precise measurements
>on the communications between this micro and the main video decoder
>reveal that the hardware initializes always at the same speed and it
>is the AT89S52 micro that sometimes waits longer and thus starts
>successfully but sometimes aborts too early. I don't know what else to
>check: supply 5V to the micro perfectly clean, even added capacitors
>to check, clock clean (has its own 12MHz crystal). Don't know what
>else to check, I can only conclude the micro is faulty. Unfortunately
>I don't have the code that runs inside so I don't know if that delay
>is implemented by a loop or a hardware timer.

Hold it in a reset state longer on startup. These guys are unusual in
that their RST pin is active high, so keep that in mind.

The naive way to implement reset in this family is just a cap to the
positive supply rail, a resistor to ground, and the RST pin in between.
If this is what they used, it sounds like you're just on the edge of
reliability and may be able to make it happy by boosting the RC time
constant a tad by using a larger C or R, depending on which is easier to
get to.

There are also "supervisory" chips that are more reliable and can also
take care to reset on brown-outs. Some of these hold reset active for a
fixed interval but, IIRC, some set the time with an external R or C.

--
Rich Webb Norfolk, VA

== 3 of 6 ==
Date: Sat, Apr 23 2011 10:58 am
From: Jamie

Jeroni Paul wrote:

> I have a Kaon satellite/terrestrial decoder that while starting up it
> will reboot several times until it works. After a lot of checking and
> testing it seems the front panel micro AT89S52 sometimes won't wait
> long enough for all the hardware to initialize. Precise measurements
> on the communications between this micro and the main video decoder
> reveal that the hardware initializes always at the same speed and it
> is the AT89S52 micro that sometimes waits longer and thus starts
> successfully but sometimes aborts too early. I don't know what else to
> check: supply 5V to the micro perfectly clean, even added capacitors
> to check, clock clean (has its own 12MHz crystal). Don't know what
> else to check, I can only conclude the micro is faulty. Unfortunately
> I don't have the code that runs inside so I don't know if that delay
> is implemented by a loop or a hardware timer.
> Any ideas?
Look on the board that has the micro for some electro caps. I work with
those types of CPU's and what I have done for a synchronized start up
is to employ a delay circuit for the CPU, a sort of power management
process. Check the caps to make all are up to snuff.. A low valued
cap is going the allow the CPU to start sooner in the power management
section. If this is a new problem, either the main unit is taking too
long, indicating a hardware problem or you do have something strange
going on. You may want to check for bad caps and solder joints, a very
common problem. Especially with today's Lead Free solders.

Jamie

== 4 of 6 ==
Date: Sat, Apr 23 2011 12:53 pm
From: Jeroni Paul

On 23 abr, 19:31, Rich Webb <bbew...@mapson.nozirev.ten> wrote:
> Hold it in a reset state longer on startup. These guys are unusual in
> that their RST pin is active high, so keep that in mind.
>
> The naive way to implement reset in this family is just a cap to the
> positive supply rail, a resistor to ground, and the RST pin in between.
> If this is what they used, it sounds like you're just on the edge of
> reliability and may be able to make it happy by boosting the RC time
> constant a tad by using a larger C or R, depending on which is easier to
> get to.
>
> There are also "supervisory" chips that are more reliable and can also
> take care to reset on brown-outs. Some of these hold reset active for a
> fixed interval but, IIRC, some set the time with an external R or C.
>
> --
> Rich Webb     Norfolk, VA

Thank you for the replies.
I tried to keep the reset input active manually for several seconds
but still behaves the same. What happens while RST is high is the
micro sets some outputs high and turns on all the hardware. When I
remove RST all comes back to st-by. From then on the behaviour is the
same. For reset it uses a KIA7436P:
http://www.alldatasheet.com/datasheet-pdf/pdf/69424/KEC/KIA7436P.html

== 5 of 6 ==
Date: Sat, Apr 23 2011 2:19 pm
From: Jeroni Paul

On 23 abr, 19:58, Jamie
<jamie_ka1lpa_not_valid_after_ka1l...@charter.net> wrote:
> Look on the board that has the micro for some electro caps. I work with
> those types of CPU's and what I have done for a synchronized start up
> is to employ a delay circuit for the CPU, a sort of power management
> process. Check the caps to make all are up to snuff.. A low valued
> cap is going the allow the CPU to start sooner in the power management
> section. If this is a new problem, either the main unit is taking too
> long, indicating a hardware problem or you do have something strange
> going on. You may want to check for bad caps and solder joints, a very
> common problem. Especially with today's Lead Free solders.
>
> Jamie

Thank you.
There are two electrolytics, one in parallell with 5V supply and
another after a 47 ohm resistor to supply the IR sensor. There are
some resistors to power the leds and buttons and I see no other
components that could be used for a delay.

This micro is connected to a VFD driver chip to show the time, channel
number, etc to a VFD display. While starting it shows some moving
dashes on the 7-segment part, then the text "on" and then reboots. If
it doesn't reboot then shows "Init" and the last channel number. There
is no visible difference in the moving dashes between a good and a
failed initialization but when it starts fine, the "on" text keeps
slightly longer on the display, around 1 additional second, being all
the signals it receives from the main unit the same. This additional
one second is what makes the difference.

== 6 of 6 ==
Date: Sat, Apr 23 2011 3:42 pm
From: Rich Webb

On Sat, 23 Apr 2011 12:53:45 -0700 (PDT), Jeroni Paul
<JERONI.PAUL@terra.es> wrote:

>On 23 abr, 19:31, Rich Webb <bbew...@mapson.nozirev.ten> wrote:
>> Hold it in a reset state longer on startup. These guys are unusual in
>> that their RST pin is active high, so keep that in mind.
>>
>> The naive way to implement reset in this family is just a cap to the
>> positive supply rail, a resistor to ground, and the RST pin in between.
>> If this is what they used, it sounds like you're just on the edge of
>> reliability and may be able to make it happy by boosting the RC time
>> constant a tad by using a larger C or R, depending on which is easier to
>> get to.
>>
>> There are also "supervisory" chips that are more reliable and can also
>> take care to reset on brown-outs. Some of these hold reset active for a
>> fixed interval but, IIRC, some set the time with an external R or C.
>>
>> --
>> Rich Webb     Norfolk, VA
>
>Thank you for the replies.
>I tried to keep the reset input active manually for several seconds
>but still behaves the same. What happens while RST is high is the
>micro sets some outputs high and turns on all the hardware. When I
>remove RST all comes back to st-by. From then on the behaviour is the
>same. For reset it uses a KIA7436P:
>http://www.alldatasheet.com/datasheet-pdf/pdf/69424/KEC/KIA7436P.html

Humph. So much for the easy fix. ;-)

Any chance that the manufacturer has a firmware fix for this? The
AT89S52 is in-system programmable so it might be possible to load new
firmware in the field. If there is such a thing available they may not
want to release it to an end user (too much chance of bricking the unit)
but you sound like you know what you're doing and *if* there is one
available you might be able to convince them you're okay.

Otherwise, it may be time to get creative. One possibility might be to
run the CPU at a slightly slower speed by increasing the load capacitors
at the crystal. Or, replace the 12 MHz crystal with an 11.0592 MHz
(should be available). Might work, depending on what other timing
sensitive parts that it talks to.

--
Rich Webb Norfolk, VA

==============================================================================
TOPIC: Annoying Clock on Microwave
http://groups.google.com/group/sci.electronics.repair/t/408849711f765a28?hl=en
==============================================================================

== 1 of 7 ==
Date: Sat, Apr 23 2011 10:28 am
From: Bob Villa

On Apr 23, 10:02 am, n...@jecarter.us wrote:

>
> I have a small coffee maker that has never kept good time.  My guess
> is that *any* noise on the AC line affects the pulse counting.  I have
> a weather station whose clock is synced to NIST, so no longer bother
> to set the clock on the coffee maker.
>
> John

So...a surge suppressor might fix it?

== 2 of 7 ==
Date: Sat, Apr 23 2011 12:08 pm
From: stratus46@yahoo.com

On Apr 22, 5:29 pm, "William Sommerwerck" <grizzledgee...@comcast.net>
wrote:
> > Some years back our group designed a micro controller
> > project that used AC line zero cross for phase triggering.
>
> Did it work by looking for a polarity change, or near-zero voltage? If the
> latter, line noise might cause it to miss some zero crossings, and the clock
> would run slow.

It looked for zero crossings directly into the interrrupt input (via a
comparator to clean it up). I had many more problems with extra rather
than missing pulses. That was solved easily by using one of the
processor timers to disable interrupts until almost time for the next
external. I really need to implement the WWVB receiver to REALLY keep
it accurate.

G²

== 3 of 7 ==
Date: Sat, Apr 23 2011 2:43 pm
From: Jeff Liebermann

On Sat, 23 Apr 2011 12:08:43 -0700 (PDT), stratus46@yahoo.com wrote:

>I really need to implement the WWVB receiver to REALLY keep
>it accurate.

Maybe. In about 2005, I got a consulting gig to clean up a WWVB
receiver design inside a microwave oven. Operation was deemed erratic
by the engineers. I had 1 week to pull off a miracle, and predictably
failed. The product was released with a ceramic resonator.

I'll spare you the details, but methinks it won't work. The basic
problems are:
1. WWVB does not have world wide coverage. You'll need a receiver
that scans from 40 to 100Khz looking for time sync signals. Of
course, every country has their own protocol. Such chips are
available today, but were not when I was dealing with the problem:
<http://www.c-max-time.com/products/showProduct.php?id=1>
2. To get decent field sensitivity, I needed a big fat loopstick like
this:
<http://www.sparkfun.com/products/10060>
<http://www.c-max-time.com/tech/antenna.php>
The problem is that the Q is sufficiently high that it won't cover the
entire 40 to 100KHz range. Lower Q would work, but at reduced
sensitivity. Just finding a place for the loopstick was a challenge
as it had to be outside the metal cabinet. Manufacturing went
ballistic when they saw the loopstick and announced that the hand
labor involved would dramatically raise the price. They were right.
3. Interference from switching supplies and digital rubbish can be
fatal. A 20Khz switcher will have enough harmonics to kill the LF
receiver. I convinced them to turn off the LED display as a token
"energy conservation" measure. However, my switching cell phone
charger would kill the receiver up to a distance of about 10 ft.
4. The controller group wanted a WWVB disciplined oscillator at any
of the standard CPU clock frequencies (i.e. 3.57Mhz). However, none
of the off the shelf chips offered this feature. As a compromise,
they asked for 1 pps, which was also not offered. When I offered to
feed them encoded BCD character data, they threatened to have me fired
for incompetence.
5. Whatever else I forgot...

At this time, I would suspect it can be done with a GPS receiver. High
sensitivity GPS receivers will product accurate time sync even
indoors.
<http://en.wikipedia.org/wiki/High_Sensitivity_GPS>
It may take nearly forever to obtain sync, but for a microwave oven,
that only needs to be done once or twice per day. If location is an
issue, I can extract the time from some various broadcast and cellular
services:
<http://en.wikipedia.org/wiki/Radio_clock>

--
Jeff Liebermann jeffl@cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

== 4 of 7 ==
Date: Sat, Apr 23 2011 2:57 pm
From: Jeff Liebermann

On Fri, 22 Apr 2011 13:35:47 -0400, jeff_wisnia
<jwisniaDumpThisPart@conversent.net> wrote:

>Last year I purchased a new Westinghouse Model WST-3501 microwave oven
>for our office lunchroom.

>The only reason I can guess for the poor timekeeping is that the
>circuitry/board running the clock is used on their 220 volt 50 Hz
>versions without modification, so the makers decided not to use line
>sync for the clock, and probably didn't want to spring for a crystal
>oscillator either, so used an RC one instead.

Did you look to see what they actually used? My guess(tm) would be a
PZT ceramic resonator.
<http://www.tdk.co.jp/tefe02/ef32_fcr.pdf>
These have an initial tolerance of about 0.3% to 0.5%, which is a
rather large:
24 hrs/day * 3600 sec/hr * 0.0005 = 43.2 seconds/day
If you're losing 120 sec/day, then something is wrong with the ceramic
resonator, the associated capacitors, or the CPU. Since you're losing
time (running slow), the clock oscillator frequency is too low, so
it's probably not the capacitor. Find the frequency, identify the
CPU, and install a replacement resonator.
<http://www.tdk.com/crdata.php>

--
Jeff Liebermann jeffl@cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

== 5 of 7 ==
Date: Sat, Apr 23 2011 2:57 pm
From: John Tserkezis

stratus46@yahoo.com (and Phil) wrote:

> So you live in a place _not_ on the grid?

Sigh.

I do live on the grid. I, along with everyone else was promised that
while short term timing errors on the grid are expected, longer term
errors are tweaked and by far less.
I could have lived with this if they actually meant it.

However, in real life, it's STILL not good enough for clocks. Like I
said, I have many non-temperature crystal locked clocks that are by FAR
better.

I have cheap Chinese digital watches (NOT on my wrist) at the whim of
the seasonal temperature environment that have minor seasonal shifts,
but over the year are better than mains-locked clocks.

I can't even get a straight answer googling. Lots of nice graphs that
really don't answer the question too. The BEST was along the lines of
"is very precise" and "it shouldn't vary too far".

In engineering terms, that's just plain bullshit.
--
Include this in your CONFIG.SYS File: BUGS=OFF

== 6 of 7 ==
Date: Sat, Apr 23 2011 3:01 pm
From: John Tserkezis

Bob Villa wrote:

> Donate it...and buy a new one. I've never had an appliance with a
> digital clock that kept poor time. Coffee maker, oven/range, MW, or
> VCR.

You mean you had a VCR that *DIDN'T* flash 12:00 all day?

That could only mean one of two things:
You're either a Rocket Scientist, or you had a six-year-old around.
--
If it's not worth doing well, it's not worth doing.

== 7 of 7 ==
Date: Sat, Apr 23 2011 3:40 pm
From: "William Sommerwerck"

"John Tserkezis" <jt@techniciansyndrome.org.invalid> wrote in message
news:4db34c2b$0$13392$afc38c87@news.optusnet.com.au...

> You mean you had a VCR that *DIDN'T* flash 12:00 all day?

Most Public TV stations broadcast time code. The "later" VHS VCRs searched
for a PBS station and used the time code to set the clock.

==============================================================================
TOPIC: 42" Panasonic plasma TV model: TH-42PX60U dead
http://groups.google.com/group/sci.electronics.repair/t/c8e947a6771af994?hl=en
==============================================================================

== 1 of 1 ==
Date: Sat, Apr 23 2011 11:08 am
From: Meat Plow

On Sat, 23 Apr 2011 08:42:00 +0100, N_Cook wrote:

> Sidney <sidneybek@yahoo.com> wrote in message
> news:27a07052-b46d-4014-a154-
f6e827f81265@a19g2000prj.googlegroups.com...
> 42" Panasonic plasma TV model: TH-42PX60U, year: Nov 2006, no power, no
> blinking or standby LED lights. The TV was on while this happened. Upon
> troubleshooting I discovered F401=8 amp ceramic time lag fuse to be
> open. From extensive googling after no obvious shorts in power supply
> using Fluke DMM model 29 series II. I found the following common repair
> tips:
>
> Q406=N-ch MOSFET # RJK5020=Panasonic # B1DEKQ000003=shorted R410=10 ohm,
> 5w ceramic thermal cut off=Panasonic # D1F5100E0003=open F401 & F402=8
> amp ceramic time lag fuse= Panasonic # K5D802BNA005= one or the other
> open
>
> well on this TV none of the above parts are defective except F401.
> According to a Panasonic service bulletin for a similar model:
>
> http://www.tvrepairtips.org/files/tip/286/tt-08-27.pdf
>
> they say to add a C426=ECQB1H103JZ but on that bulletin it's if Q406 is
> shorted but not on mine and the board on the service bulletin is
> somewhat different than mine. I haven't yet replaced F401 or placed a
> 100 watt light bulb in place. But would like some tips before I proceed.
> Thanks.
>
> Sidney® ™
> Dartmouth, Nova Scotia
> Canada
>
> http://web.archive.org/web/20040312120415/www.herald.ns.ca/cgi-bin/home/
disp
> layphoto?2002/12/22+126.raw+1019+Business+
>
> http://web.archive.org/web/20040229023255/http://www.herald.ns.ca/cgi-
bin/ho
> me/displaystory?2002/12/22+126.raw+Business
>
> http://groups.google.com/group/hfx.forsale/browse_thread/
thread/43940ce83231
> ab85/4e4c696fbf04837f?q=sidney+tv+repair&rnum=1#4e4c696fbf04837f
>
> http://www.nesda-ohio.com/iwaynet/pubhtml/May02/May18.html
> http://www.nesda-ohio.com/iwaynet/pubhtml/SonyAudMod.html
> http://www.nesda-ohio.com/iwaynet/pubhtml/Oct02/Oct028.html
> http://www.nesda-ohio.com/iwaynet/pubhtml/Oct02/Oct029.html
>
>
>
> ++++
>
>
> open up the fuse and see if it failed gently (probably just getting
> tired in old age) or catastrophically so something else failing caused
> it to fail

Or lightly fuse it and cross your fingers.

--
Live Fast Die Young, Leave A Pretty Corpse

==============================================================================
TOPIC: Toshiba Satellite Pro M15-S405 PCB flux rot
http://groups.google.com/group/sci.electronics.repair/t/5f474e30d60254b9?hl=en
==============================================================================

== 1 of 1 ==
Date: Sat, Apr 23 2011 11:12 am
From: Jeff Liebermann

On Sat, 23 Apr 2011 11:43:48 +0200, "Uffe Bærentsen"
<leiti_NOSPAM_@hotmail.com> wrote:

>> <http://802.11junk.com/jeffl/crud/toshiba-rot-02.jpg>

>From what I can see the PCB is flipped over (upside down).

Correct. It's a bottom view.

>Liquid (cola?) might have landed on the top surface and then it is wicked
>through the PCB through the via's to the bottom side where it gets trapped
>in between the PCB and the plastic covering.

Maybe. There's another sheet of plastic on the other side with holes
for connectors and mounting studs. I didn't see anything odd looking
through the plastic, but I didn't peel it off yet. When I get back to
the office on Monday, I'll take a closer look after I peel off all the
plastic.

>Have seen almost the same with a Logitech keyboard.
>The liquid that landed on the top surface was free to evaporate.
>The liquid on the bottom surface was trapped and could etch away :-(

Good point, if it happened that way. I'll double check.

--
Jeff Liebermann jeffl@cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

==============================================================================
TOPIC: Updated List 2011. Solutions Manuals, Instructor Manuals & Test Banks
Collection. Largest Collection Over The Net !!!
http://groups.google.com/group/sci.electronics.repair/t/71f8e4d7d4b2a58e?hl=en
==============================================================================

== 1 of 1 ==
Date: Sat, Apr 23 2011 12:21 pm
From: "TestBank(dot)Net"

We would like to inform you that We have updated our list with the
following titles !!

Note: This is the updated part of our full list.
( testbanknet.blogspot(dot)com )

You can contact us directly at REQUEST(at)TESTBANK(dot)NET

Or visit our website for more information (TESTBANK.NET)

============================================================================

Accounting Information Systems, 9th Edition 2012,
Gelinas.Dull.Wheeler, Solutions Manual

Accounting Information Systems, 9th Edition 2012,
Gelinas.Dull.Wheeler, Test Bank

Accounting, 24th Edition, Warren.Reeve.Duchac, Solutions Manual

Accounting, 24th Edition, Warren.Reeve.Duchac, Test Bank

Accounting; Text and Cases, 13th Edition 2011,
Anthony.Hawkins.Merchant, Instructor Manual & Solutions Manual

Accounting; Tools for Business Decision Makers, 4th Edition,
Kimmel.Weygandt.Kieso, Instructor Manual & Solutions Manual

Accounting; Tools for Business Decision Makers, 4th Edition,
Kimmel.Weygandt.Kieso, Test Bank

Adobe Dreamweaver CS5 Illustrated, 1st Edition 2011, Sherry Bishop,
Instructor Manual & Solutions Manual

Adobe Dreamweaver CS5 Illustrated, 1st Edition 2011, Sherry Bishop,
Test Bank

Adobe Dreamweaver CS5 Revealed, 1st Edition 2011, Sherry Bishop,
Instructor Manual & Solutions Manual

Adobe Dreamweaver CS5 Revealed, 1st Edition 2011, Sherry Bishop, Test
Bank

Adobe Flash CS5 Revealed, 1st Edition 2011, Jim Shuman, Instructor
Manual & Solutions Manual

Adobe Flash CS5 Revealed, 1st Edition 2011, Jim Shuman, Test Bank

Adobe Flash Professional CS5 Illustrated_Introductory, 1st Edition
2011, Waxer, Instructor Manual & Solutions Manual

Adobe Flash Professional CS5 Illustrated_Introductory, 1st Edition
2011, Waxer, Test Bank

Adober Photoshopr CS5 Revealed, 1st Edition 2011, Elizabeth Eisner
Reding, Instructor Manual & Solutions Manual

Adober Photoshopr CS5 Revealed, 1st Edition 2011, Elizabeth Eisner
Reding, Test Bank

America Past and Present_Combined Volume, 9th Edition,
Divine.Breen.Fredrickson.Williams.Gross.Brands, Instructor Manual

America Past and Present_Combined Volume, 9th Edition,
Divine.Breen.Fredrickson.Williams.Gross.Brands, Test Bank

America Past and Present_Volume 1 (to 1877), 8th Edition,
Divine.Breen.Fredrickson.Williams.Gross.Brands, Instructor Manual

America Past and Present_Volume 1 (to 1877), 8th Edition,
Divine.Breen.Fredrickson.Williams.Gross.Brands, Instructor Manual,
Test Bank

Archetypes of Wisdom; An Introduction to Philosophy, 7th Edition,
Soccio, Instructor Manual

Archetypes of Wisdom; An Introduction to Philosophy, 7th Edition,
Soccio, Test Bank

Auditing and Assurance Service; Understanding the Integrated Audit,
1st Edition, Hooks, Instructor Manual & Solutions Manual

Auditing and Assurance Service; Understanding the Integrated Audit,
1st Edition, Hooks, Test Bank

Basic College Mathematics, 2nd Edition, Miller.O'Neill.Hyde,
Instructor Manual & Solutions Manual

Basic College Mathematics, 2nd Edition, Miller.O'Neill.Hyde, Test Bank

Basic Marketing; A Marketing Strategy Planning Approach, 18th Edition
2011, Perreault.Cannon.McCarthy, Instructor Manual & Solutions Manual

Basic Marketing; A Marketing Strategy Planning Approach, 18th Edition
2011, Perreault.Cannon.McCarthy, Test Bank

Basic Statistics; Tales of Distributions, 10th Edition 2011, Chris
Spatz, Test Bank

Becoming a Master Manager; A Competing Values Approach, 5th Edition,
Quinn.Faerman.Thompson.McGrath.Clair, Instructor Manual

Becoming a Master Manager; A Competing Values Approach, 5th Edition,
Quinn.Faerman.Thompson.McGrath.Clair, Test Bank

Beginning Algebra, 3rd Edition, Miller.O'Neill.Hyde, Instructor Manual
& Solutions Manual

Beginning Algebra, 3rd Edition, Miller.O'Neill.Hyde, Test Bank

Beginning and Intermediate Algebra, 3rd Edition 2011,
Miller.O'Neill.Hyde, Instructor Manual & Solutions Manual

Beginning and Intermediate Algebra, 3rd Edition 2011,
Miller.O'Neill.Hyde, Test Bank

Behavior Modification; What It Is and How To Do It, 9th Edition,
Martin.Pear, Instructor Manual

Behavior Modification; What It Is and How To Do It, 9th Edition,
Martin.Pear, Test Bank

Biochemistry, 4th Edition, Voet.Voet, Instructor Manual

Biochemistry, 4th Edition, Voet.Voet, Test Bank

Biopsychology, 8th Edition 2011, Pinel, Instructor Manual

Biopsychology, 8th Edition 2011, Pinel, Test Bank

Business Communication; Process and Product, 7th Edition,
Guffey.Loewy, Instructor Manual & Solutions Manual

Business Communication; Process and Product, 7th Edition,
Guffey.Loewy, Test Bank

Business Driven Information Systems, 2nd Edition, Baltzan.Phillips,
Instructor Manual & Solutions Manual

Business Driven Information Systems, 2nd Edition, Baltzan.Phillips,
Test Bank

Business Driven Technology, 4th Edition, Baltzan.Phillips, Instructor
Manual

Business Driven Technology, 4th Edition, Baltzan.Phillips, Test Bank

Business Ethics; Decision Making for Personal Integrity & Social
Responsibility, 2nd Edition 2011, Hartman.DesJardins, Instructor
Manual

Business Ethics; Decision Making for Personal Integrity & Social
Responsibility, 2nd Edition 2011, Hartman.DesJardins, Test Bank

Business Law; Text and Cases; Legal_Ethical_Global_and Corporate
Environment, 12th Edition, Clarkson.Miller.Cross, Instructor Manual &
Solutions Manual

Business Law; Text and Cases; Legal_Ethical_Global_and Corporate
Environment, 12th Edition, Clarkson.Miller.Cross, Test Bank

Business Statistics; Contemporary Decision Making, 6th Edition, Black,
Instructor Manual

Business, 11th Edition, Pride.Hughes.Kapoor, Test Bank

Calculus for Business_Economics_and the Social and Life Sciences, 10th
Edition, Hoffmann.Bradley, Instructor Manual & Solutions Manual

Calculus for Business_Economics_and the Social and Life Sciences, 10th
Edition, Hoffmann.Bradley, Test Bank

Calculus Late Transcendentals Combined, 9th Edition,
Anton.Bivens.Davis, Solutions Manual

Calculus Late Transcendentals Combined, 9th Edition,
Anton.Bivens.Davis, Test Bank

Calculus of a Single Variable, 8th Edition, Larson.Hostetler.Edwards,
Test Bank

Campbell Biology with MasteringBiologyr, 9th Edition,
Reece.Urry.Cain.Wasserman.Minorsky.Jackson, Instructor Manual

Campbell Biology with MasteringBiologyr, 9th Edition,
Reece.Urry.Cain.Wasserman.Minorsky.Jackson, Test Bank

Cell Biology, 6th Edition, Karp, Instructor Manual

Cell Biology, 6th Edition, Karp, Test Bank

Cengage Advantage Books; Business Law, 8th Edition 2011,
Goldman.Sigismond, Instructor Manual

Cengage Advantage Books; Business Law, 8th Edition 2011,
Goldman.Sigismond, Test Bank

Chemistry, 1st Edition, Julia Burdge, Instructor Manual & Solutions
Manual

Chemistry, 1st Edition, Julia Burdge, Test Bank

Chemistry, 2nd Edition 2011, Julia Burdge, Instructor Manual &
Solutions Manual

Chemistry, 2nd Edition 2011, Julia Burdge, Test Bank

Chemistry; Structure and Dynamics, 5th Edition,
Spencer.Bodner.Rickard, Solutions Manual

College Algebra Essentials, 2nd Edition, John Coburn, Instructor
Manual & Solutions Manual

College Algebra Essentials, 2nd Edition, John Coburn, Test Bank

College Algebra, 1st Edition, Kirk Trigsted, Test Bank

College Algebra, 2nd Edition, John Coburn, Instructor Manual &
Solutions Manual

College Algebra, 2nd Edition, John Coburn, Test Bank

Competency-Based Management, 11th Edition, Slocum.Jackson.Hellriegel,
Instructor Manual

Competency-Based Management, 11th Edition, Slocum.Jackson.Hellriegel,
Test Bank

Computer Graphics with Open GL, 4th Edition, Hearn.Baker.Carithers,
Solutions Manual

Contemporary World Regional; Geography Global Connections_Local
Voices, 3rd Edition, Bradshaw.White.Dymond.Chacko, Test Bank

Core Concepts of Government and Not-For-Profit Accounting, 2nd
Edition, Granof.Wardlow, Solutions Manual

Core Concepts of Government and Not-For-Profit Accounting, 2nd
Edition, Granof.Wardlow, Test Bank

Corporate Finance; Core Principles and Applications, 3rd Edition 2011,
Ross.Westerfield.Jaffe.Jordan, Instructor Manual & Solutions Manual

Corporate Finance; Core Principles and Applications, 3rd Edition 2011,
Ross.Westerfield.Jaffe.Jordan, Test Bank

Countries and Concepts; Politics_Geography_Culture, 11th Edition,
Roskin, Instructor Manual

Countries and Concepts; Politics_Geography_Culture, 11th Edition,
Roskin, Test Bank

Criminal Behavior; A Psychological Approach, 9th Edition,
Bartol.Bartol, Instructor Manual

Criminal Behavior; A Psychological Approach, 9th Edition,
Bartol.Bartol, Test Bank

Criminal Investigation, 8th Edition, Bennett.Hess, Instructor Manual

Criminal Investigation, 8th Edition, Bennett.Hess, Test Bank

Criminal Investigation, 9th Edition, Hess.Orthmann, Instructor Manual

Criminal Investigation, 9th Edition, Hess.Orthmann, Test Bank

Cultural ANTHRO, 1st Edition 2012, Robbins, Instructor Manual

Cultural ANTHRO, 1st Edition 2012, Robbins, Test Bank

Data Structures and Algorithms in Java, 5th Edition,
Goodrich.Tamassia, Solutions Manual

Data Structures; Abstraction and Design Using Java, 2nd Edition,
Koffman.Wolfgang, Solutions Manual

Data Structures; Abstraction and Design Using Java, 2nd Edition,
Koffman.Wolfgang, Test Bank

Development Through the Lifespan, 5th Edition, Berk, Instructor Manual

Development Through the Lifespan, 5th Edition, Berk, Test Bank

Deviant Behavior, 10th Edition, Alex Thio, Instructor Manual

Deviant Behavior, 10th Edition, Alex Thio, Test Bank

Digital Design with RTL Design_Verilog and VHDL , 2nd Edition, Vahid,
Solutions Manual

Digital Systems; Principles and Applications, 11th Edition 2011,
Tocci.Widmer.Moss, Instructor Manual & Solutions Manual

Digital Systems; Principles and Applications, 11th Edition 2011,
Tocci.Widmer.Moss, Test Bank

Discovering the Humanities, 1st Edition, Sayre, Instructor Manual

Discovering the Humanities, 1st Edition, Sayre, Test Bank

Economics, 10th Edition 2011, Arnold, Instructor Manual

Economics, 10th Edition 2011, Arnold, Test Bank

Electromagnetics, 1st Edition 2011, Notaros, Solutions Manual

Elementary Number Theory, 6th Edition, Rosen, Solutions Manual

Elementary Statistics, 6th Edition, Allan Bluman, Solutions Manual

Engineering Mechanics of Solids, 2nd Edition, Popov, Solutions Manual

Entrepreneurial Small Business, 2nd Edition, Katz.Green, Instructor
Manual

Entrepreneurial Small Business, 2nd Edition, Katz.Green, Test Bank

Environmental & Natural Resource Economics, 8th Edition,
Tietenberg.Tietenberg, Instructor Manual

Environmental Geology, 1st Edition 2011, Reichard, Instructor Manual

Environmental Geology, 1st Edition 2011, Reichard, Test Bank

Environmental Geology, 9th Edition 2011, Montgomery, Instructor Manual

Environmental Geology, 9th Edition 2011, Montgomery, Test Bank

Essential Biochemistry, 2nd Edition, Pratt.Cornely, Test Bank

Essentials of Human Anatomy and Physiology with Essentials of
Interactive Physiology CD-ROM, 10th Edition, Marieb, Test Bank

Essentials of Strategic Management, 5th Edition, Hunger.Wheelen,
Instructor Manual

Essentials of Strategic Management, 5th Edition, Hunger.Wheelen, Test
Bank

Essentials of World Regional Geography, 2nd Edition,
White.Dymond.Chacko.Bradshaw, Instructor Manual

Essentials of World Regional Geography, 2nd Edition,
White.Dymond.Chacko.Bradshaw, Test Bank

Exploring Microsoft Office 2010 Plus, 1st Edition 2011,
Grauer.Poatsy.Poatsy.Hulett.Krebs.Mast.Mulbery.Hogan, Instructor
Manual & Solutions Manual

Exploring Microsoft Office 2010 Plus, 1st Edition 2011,
Grauer.Poatsy.Poatsy.Hulett.Krebs.Mast.Mulbery.Hogan, Test Bank

Exploring Microsoft Office 2010 Volume 2, 1st Edition 2011,
Grauer.Poatsy.Poatsy.Hulett.Krebs.Mast.Mulbery.Hogan, Instructor
Manual & Solutions Manual

Exploring Microsoft Office 2010 Volume 2, 1st Edition 2011,
Grauer.Poatsy.Poatsy.Hulett.Krebs.Mast.Mulbery.Hogan, Test Bank

Families in Canada, 3rd Edition, White.Larson.Goltz.Munro, Test Bank

Financial Accounting Fundamentals, 3rd Edition 2011, Wild, Instructor
Manual & Solutions Manual

Financial Accounting Fundamentals, 3rd Edition 2011, Wild, Test Bank

Financial Accounting Theory and Analysis; Text and Cases, 10th
Edition, Schroeder.Clark.Cathey, Solutions Manual

Financial Accounting Theory and Analysis; Text and Cases, 10th
Edition, Schroeder.Clark.Cathey, Test Bank

Financial Accounting, 7th Edition 2011, Libby.Libby.Short, Instructor
Manual & Solutions Manual

Financial Accounting, 7th Edition 2011, Libby.Libby.Short, Test Bank

Financial Accounting; IFRS Edition, 1st Edition,
Weygandt.Kimmel.Kieso, Instructor Manual & Solutions Manual

Financial Accounting; IFRS Edition, 1st Edition,
Weygandt.Kimmel.Kieso, Test Bank

Fluid Mechanics, 7th Edition 2011, White, Solutions Manual

Fluid Mechanics; Fundamentals and Applications, 2nd Edition,
Cengel.Cimbala, Solutions Manual

Fluid Power with Applications, 7th Edition, Anthony Esposito,
Instructor Manual

Foodservice Organizations; A Managerial and Systems Approach, 7th
Edition, Gregoire, Instructor Manual

Foodservice Organizations; A Managerial and Systems Approach, 7th
Edition, Gregoire, Test Bank

Forensic Accounting and Fraud Examination, 1st Edition,
Kranacher.Riley.Wells, Solutions Manual

Forensic Accounting and Fraud Examination, 1st Edition,
Kranacher.Riley.Wells, Test Bank

Foundations in Microbiology, 7th Edition, Kathleen Talaro, Test Bank

Fundamental Accounting Principles, 20th Edition, Wild.Shaw.Chiappetta,
Instructor Manual & Solutions Manual

Fundamental Accounting Principles, 20th Edition, Wild.Shaw.Chiappetta,
Test Bank

Fundamental Managerial Accounting Concepts, 6th Edition 2011,
Edmonds.Tsay.Olds, Instructor Manual & Solutions Manual

Fundamental Managerial Accounting Concepts, 6th Edition 2011,
Edmonds.Tsay.Olds, Test Bank

Fundamentals of Electric Circuits, 4th Edition, Alexander.Sadiku,
Solutions Manual

Fundamentals of Financial Accounting, 3rd Edition,
Phillips.Libby.Libby, Instructor Manual & Solutions Manual

Fundamentals of Financial Accounting, 3rd Edition,
Phillips.Libby.Libby, Test Bank

Fundamentals of Human Resource Management, 4th Edition 2011,
Noe.Hollenbeck.Gerhart.Wright, Instructor Manual

Fundamentals of Human Resource Management, 4th Edition 2011,
Noe.Hollenbeck.Gerhart.Wright, Test Bank

Fundamentals of Materials Science and Engineering; An Integrated
Approach, 3rd Edition, Callister.Rethwisch, Instructor Manual &
Solutions Manual

Fundamentals of Selling, 11th Edition, Futrell, Instructor Manual

Fundamentals of Selling, 11th Edition, Futrell, Test Bank

General Chemistry, 6th Edition, Chang.Overby, Instructor Manual &
Solutions Manual

General Chemistry, 6th Edition, Chang.Overby, Test Bank

General Organic and Biological Chemistry, 3rd Edition, Raymond,
Instructor Manual & Solutions Manual

General Organic and Biological Chemistry, 3rd Edition, Raymond, Test
Bank

Genetics, 3rd Edition, Brooker, Test Bank

Group Dynamics, 5th Edition, Forsyth, Instructor Manual

Group Dynamics, 5th Edition, Forsyth, Test Bank

Hands-On Ethical Hacking and Network Defense, 2nd Edition,
Simpson.Backman.Corley, Instructor Manual & Solutions Manual

Hands-On Ethical Hacking and Network Defense, 2nd Edition,
Simpson.Backman.Corley, Test Bank

History of Modern Design, 2nd Edition, David Raizman, Instructor
Manual

How Things Work The Physics of Everyday Life, 4th Edition, Bloomfield,
Solutions Manual

Human Resource Management, 10th Edition 2011, Byars.Rue, Instructor
Manual

Human Resource Management, 10th Edition 2011, Byars.Rue, Test Bank

Human Resource Management, 10th Edition, DeCenzo, Instructor Manual

Human Resource Management, 10th Edition, DeCenzo, Test Bank

Human Resource Management, 2nd Edition, Stewart.Brown, Instructor
Manual

Human Resource Management, 2nd Edition, Stewart.Brown, Test Bank

Income Tax Fundamentals 2011, 29th Edition 2011, Whittenburg.Altus-
Buller, Solutions Manual

Income Tax Fundamentals 2011, 29th Edition 2011, Whittenburg.Altus-
Buller, Test Bank

Intermediate Algebra, 3rd Edition, Miller.O'Neill.Hyde, Instructor
Manual & Solutions Manual

Intermediate Algebra, 3rd Edition, Miller.O'Neill.Hyde, Test Bank

Intermediate Algebra; A Real World Approach, 3rd Edition, Bello.Hopf,
Solutions Manual

Intermediate Algebra; A Real World Approach, 3rd Edition, Bello.Hopf,
Test Bank

International Economics, 13th Edition 2011, Robert Carbaugh,
Instructor Manual

International Economics, 13th Edition 2011, Robert Carbaugh, Test Bank

Introduction to Accounting; An Integrated Approach, 6th Edition 2011,
Ainsworth.Deines, Instructor Manual & Solutions Manual

Introduction to Accounting; An Integrated Approach, 6th Edition 2011,
Ainsworth.Deines, Test Bank

Introduction to Chemistry, 13th edition, Hein.Arena, Solutions Manual

Introduction to Chemistry, 13th edition, Hein.Arena, Test Bank

Introduction to Criminal Justice, 12th Edition, Siegel, Instructor
Manual

Introduction to Criminal Justice, 12th Edition, Siegel, Test Bank

Introduction to Criminal Justice, 13th Edition, Siegel.Worrall,
Instructor Manual

Introduction to Criminal Justice, 13th Edition, Siegel.Worrall, Test
Bank

Introduction to Finance; Markets_Investments_and Financial Management,
14th Edition, Melicher.Norton, Instructor Manual

Introduction to Finance; Markets_Investments_and Financial Management,
14th Edition, Melicher.Norton, Test Bank

Introduction to Geotechnical Engineering, 2nd Edition,
Holtz.Kovacs.Sheahan, Solutions Manual

Introduction to Management Science; A Modeling and Case Studies
Approach with Spreadsheets, 4th Edition, Hillier.Hillier, Instructor
Manual & Solutions Manual

Introduction to Mechatronics and Measurement Systems, 3rd Edition,
Alciatore.Histand, Solutions Manual

Introduction to Organic Chemistry, 4th Edition, Brown.Poon, Solutions
Manual

Introduction to Organic Chemistry, 4th Edition, Brown.Poon, Test Bank

Introduction to Physics, 8th Edition, Cutnell.Johnson, Solutions
Manual

Introduction to Physics, 8th Edition, Cutnell.Johnson, Test Bank

Introduction to Thermodynamics and Heat Transfer, 2nd Edition, Cengel.
€engel, Solutions Manual

Introduction to Wireless and Mobile Systems, 3rd Edition 2011,
Agrawal.Qing-An Zeng, Solutions Manual

Introductory Algebra; A Real World Approach, 3rd Edition, Ignacio
Bello, Solutions Manual

Introductory Algebra; A Real World Approach, 3rd Edition, Ignacio
Bello, Test Bank

Introductory Statistics, 7th Edition, Mann, Test Bank

Investments; Principles and Concepts, 11th Edition, Jones, Instructor
Manual & Solutions Manual

Investments; Principles and Concepts, 11th Edition, Jones, Test Bank

Java Foundations; Introduction to Program Design and Data Structures,
2nd Edition, Lewis.DePasquale.Chase, Solutions Manual

Java Foundations; Introduction to Program Design and Data Structures,
2nd Edition, Lewis.DePasquale.Chase, Test Bank

Learning the Art of Helping; Building Blocks and Techniques, 4th
Edition, Young, Instructor Manual

Learning the Art of Helping; Building Blocks and Techniques, 4th
Edition, Young, Test Bank

Macroeconomics, 10th Edition 2011, Arnold, Instructor Manual

Macroeconomics, 10th Edition 2011, Arnold, Test Bank

Management Information Systems; Managing the Digital Firm, 5th
Edition, Laudon, Instructor Manual

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