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Today's topics:

* RCA P60928 PTK195 Chassis no power - 8 messages, 6 authors
http://groups.google.com/group/sci.electronics.repair/t/0e7ca98063672b91?hl=en
* NEW HOT PHOTOS - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/9775269cb9201ccb?hl=en
* Schematic for Nutone IK-25 intercom - 2 messages, 2 authors
http://groups.google.com/group/sci.electronics.repair/t/0c147f8059c5a160?hl=en
* Simple Hack To Get $800 To your Paypal - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/bc6fb3ac5dd7fdfd?hl=en

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TOPIC: RCA P60928 PTK195 Chassis no power
http://groups.google.com/group/sci.electronics.repair/t/0e7ca98063672b91?hl=en
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== 1 of 8 ==
Date: Sat, Oct 2 2010 7:15 pm
From: John-Del

On Oct 2, 7:05 pm, "Tmachci...@aol.com" <Tmachci...@aol.com> wrote:
> OK I have even put an amp meter on the line comming in and  I am
> getting around 300 milli amps when pluged in but no change at all when
> I hit the remote. I get a slight chirp when I first plug it in but no
> change again with the remote. Thanks Ted

It's unlikely the micro is bad unless you caught some lightning. Of
the two, the eeprom is more likely to have failed, but are uncommon in
the 195. If the eeprom is bad, you will need to confirm it with a
scope. If the Vcc and reset voltages are good at the micro, but
there is no response from the system control, there are a couple of
possibilities. The easy one is to unplug the front panel connector
from the top of the light box where the IR is located. If the TV
powers up from the remote, you've got bad tact switches on the front
control board. You can either leave it unplugged, or replace all the
tacts. If it doesn't respond, get a bright light and look for any
evidence of coolant leakage around the micro, eeprom, and LV
regulators. If you have coolant leakage in any area, it will need to
be removed (time consuming).

== 2 of 8 ==
Date: Sun, Oct 3 2010 9:23 am
From: "Tmachcinsk@aol.com"

OK John Thank you very much. Last question. Where can I get a new set
of switches. I never would have thought it would have been that easy.
Thanks again. Ted

== 3 of 8 ==
Date: Sun, Oct 3 2010 9:34 am
From: PlainBill47@yawho.com

On Sat, 2 Oct 2010 20:00:08 +0000 (UTC), Meat Plow <mhywatt@yahoo.com>
wrote:

>On Sat, 02 Oct 2010 12:16:08 -0700, Tmachcinsk@aol.com wrote:
>
>> ok so how do I get into service mode if I cant power on the set. Is
>> there a service switch on the pcb somewhere. Thanks Ted
>
>Hey, have you tried to get some service literature on the 195 chassis?
>Might want to wait around for PlainBill to chime back in. He works on a
>lot more of these than I. I switched my service genre to vintage guitar
>amps and other pro sound/studio equipment a while back.
>
>You've already replaced a flyback in this thing so obviously you know
>something about them. My experience is limited to convergence amps, a
>common failure in some sets. But in my youth I worked for a multi-brand
>warranty center and was always handed the tough dog sets.
Too late. I already referred him to elektrotanya, which has the
Photofact folder. It's free. If the doofus isn't smart enough to
read it, there is no way I''m going to encourage him to stick his
hands into the chassis.

http://elektrotanya.com/?q=showresult&megnev=rca&megnev2=PTK195&kategoria=&kat2=all

PlainBill

== 4 of 8 ==
Date: Sun, Oct 3 2010 10:17 am
From: "Tmachcinsk@aol.com"

Thanks for nothing plainbill. I never stated it was a combo microwave
tv. I stated both went so that you would know it was probably a
problem from an electric surge being that two thing went at the same
time. I did give the chassis number and the model of the tv I cant
help it if you cant read. The link you sent me was not in english and
would not convert to english so that was useless. Whos the doofus now.
Thanks everyone else for your help. Ted

== 5 of 8 ==
Date: Sun, Oct 3 2010 10:40 am
From: Meat Plow

On Sun, 03 Oct 2010 10:17:26 -0700, Tmachcinsk@aol.com wrote:

> Thanks for nothing plainbill. I never stated it was a combo microwave
> tv. I stated both went so that you would know it was probably a problem
> from an electric surge being that two thing went at the same time. I did
> give the chassis number and the model of the tv I cant help it if you
> cant read. The link you sent me was not in english and would not convert
> to english so that was useless. Whos the doofus now. Thanks everyone
> else for your help. Ted

The PDF manuals are scans in english. You can dowload 2 a day if not a
signed up member.
This is probably what you want:
RCA PHOTOFACT GOLD P52939YX1 CHASSIS PTK195S1B S1

select it then select Get Manual.

--
Live Fast, Die Young and Leave a Pretty Corpse

== 6 of 8 ==
Date: Sun, Oct 3 2010 2:55 pm
From: PeterD

On Sun, 3 Oct 2010 09:23:47 -0700 (PDT), "Tmachcinsk@aol.com"
<Tmachcinsk@aol.com> wrote:

>OK John Thank you very much. Last question. Where can I get a new set
>of switches. I never would have thought it would have been that easy.
>Thanks again. Ted

Did we miss something? He suggested a test, and you are saying you
want to replace switches... So you tested and the switch module was
bad?

== 7 of 8 ==
Date: Sun, Oct 3 2010 6:37 pm
From: "Tmachcinsk@aol.com"

John suggested pulling the wires from the ir board that go to the
front panel on/off chnl swithches and see if the remote would turn on
the tv. That fixed it. One of the switches on the front panel must be
stuck on. Ted

== 8 of 8 ==
Date: Sun, Oct 3 2010 8:38 pm
From: "Michael A. Terrell"

"Tmachcinsk@aol.com" wrote:
>
> John suggested pulling the wires from the ir board that go to the
> front panel on/off chnl swithches and see if the remote would turn on
> the tv. That fixed it. One of the switches on the front panel must be
> stuck on. Ted

Then pull out the panel and test the switches. There aren't that
many different types of tactical switches. All you need to do is match
the footprint & height in most cases. There are a lot of places to buy
new ones, or if you're a cheapskate you can probably find on in an old
computer mouse or junk VCR/ DVD player that will fit.

<http://parts.digikey.com/1/parts-kws/tactile-switch>

<http://www.mouser.com/Search/ProductDetail.aspx?R=101-0164-EVvirtualkey12040000virtualkey101-0164-EV>

<http://www.mcmelectronics.com/product/28-10735&CAWELAID=220320974>

Each of these companies carry different styles.

--
Politicians should only get paid if the budget is balanced, and there is
enough left over to pay them.

==============================================================================
TOPIC: NEW HOT PHOTOS
http://groups.google.com/group/sci.electronics.repair/t/9775269cb9201ccb?hl=en
==============================================================================

== 1 of 1 ==
Date: Sun, Oct 3 2010 1:35 am
From: SRAVANTHI LOVE

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==============================================================================
TOPIC: Schematic for Nutone IK-25 intercom
http://groups.google.com/group/sci.electronics.repair/t/0c147f8059c5a160?hl=en
==============================================================================

== 1 of 2 ==
Date: Sun, Oct 3 2010 5:06 am
From: Todescos

On Oct 2, 9:06 pm, "William Sommerwerck" <grizzledgee...@comcast.net>
wrote:
> > Does anyone have a schematic for the Nutone IK-25 door
> > intercom? I'd like the indoor station to indoor station to be
> > non-private, just like it is to the door station. Any ideas?
>
> Stupid suggestion, coming from someone who is hardly an expert on
> intercoms...
>
> Open the units and carefully examine the switch wiring. It's possible you'll
> be able to figure out the difference between private and non-private.

NOT A STUPID QUESTION coming from someone that designed and
built intercoms before you were born.

== 2 of 2 ==
Date: Sun, Oct 3 2010 10:25 am
From: Geo

On Sun, 3 Oct 2010 05:06:33 -0700 (PDT), Todescos <actodesco@gmail.com> wrote:

>NOT A STUPID QUESTION

Who said it was????
You should really read any replies you get.

--
Geo

==============================================================================
TOPIC: Simple Hack To Get $800 To your Paypal
http://groups.google.com/group/sci.electronics.repair/t/bc6fb3ac5dd7fdfd?hl=en
==============================================================================

== 1 of 1 ==
Date: Sun, Oct 3 2010 8:37 am
From: bhagya

http://

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