Digest for sci.electronics.repair@googlegroups.com - 7 updates in 3 topics

petrus bitbyter <petrus.bitbyter@hotmail.com>: Dec 11 10:25PM

"Gareth Magennis" <sound.service@btconnect.com> wrote in
 
> Gareth.
 
There is a way to remove the top cover. As you removed the screws on the
back already, the cover should be lifted a little and pulled backward. FAIK
there are no screws on the sides but maybe a kind of a click mechanism.
 
petrus bitbyter
"Gareth Magennis" <sound.service@btconnect.com>: Dec 12 11:24AM

"Gareth Magennis" <sound.service@btconnect.com> wrote in message
news:C7-dnXHcpo3w6RTJnZ2dnUVZ8m6dnZ2d@bt.com...
 
> Gareth.
 
Right, I had to break off the front panel, the decal facia thing is actually
screwed onto the panel from behind.
The mechs plastic top plate underneath the screen cage has 4 screws, the
front were inaccessible without removing the cage, which was secured
underneath the front by 2 inaccessible screws.
 
So, the only way you can get this mech out is to be able to open the drawer
and remove the front panel first.
You cannot open it by inserting anything through any holes anywhere.
 
The loading mechanism was jammed because the CD spindle has a pad on it that
appears to be one sided sticky tape?? The CD was strongly glued to it, took
quite a tug to get it off!
 
Maybe this ring pad had come off somehow, leaving just the self adhesive
bottom bit behind? Dunno.
 
 
 
 
Thanks for all the suggestions.
 
 
 
Gareth.
John-Del <ohger1s@aol.com>: Dec 12 04:28AM -0800

On Friday, December 12, 2014 6:24:33 AM UTC-5, Gareth Magennis wrote:
 
> quite a tug to get it off!
 
> Maybe this ring pad had come off somehow, leaving just the self adhesive
> bottom bit behind? Dunno.
 
 
Odd. I wonder if that adhesive was originally a non-slip pad that decomposed over time.
"Gareth Magennis" <sound.service@btconnect.com>: Dec 12 03:44PM

"John-Del" <ohger1s@aol.com> wrote in message
news:128f9ff3-60d9-4bf8-b0c8-13577b196a63@googlegroups.com...
>> bottom bit behind? Dunno.
 
> Odd. I wonder if that adhesive was originally a non-slip pad that
> decomposed over time.
 
 
Seems to work fine without it.
 
 
(and I meant Double-Sided sticky tape)
 
 
 
Gareth.
John Robertson <spam@flippers.com>: Dec 11 09:33AM -0800

On 12/11/2014, 4:26 AM, William Sommerwerck wrote:
> only 1/32" thick, I expected problems, and wasn't looking forward to
> fiddling with epoxy or Plas-T-Pair. Much to my surprise, the acrylic
> glue worked.
 
Acrylic 'cement' is usually really a solvent. Methylene Chloride is the
main ingredient, the rest of the liquid is designed to slow the
evaporation of this and thicken it up somewhat. It does a good job of
repairing broken plastics that are not Nylon based.
 
John :-#)#
 
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"William Sommerwerck" <grizzledgeezer@comcast.net>: Dec 11 01:58PM -0800

"John Robertson" wrote in message
news:gs-dnUEIfJgVSBTJnZ2dnUU7-XWdnZ2d@giganews.com...
 
> Acrylic "cement" is usually really a solvent. Methylene chloride
> is the main ingredient, the rest of the liquid is designed to slow
> the evaporation of this and thicken it up somewhat.
 
It says "solvent cement" on the tube. That's why I was surprised that it
worked with plastics that didn't seem to be acrylics.
"Ron D." <Ron.Dozier@gmail.com>: Dec 11 10:05AM -0800

I don't quite understand your configuration, but I'll add a few things.
 
private IP address, Usually 192.168.x.x..or 10.x.x.x and one other.
public IP address - The one the internet knows of
 
NAT - Network address translation. This part of the router. That makes it appear that your on the Internet with the public IP, Incoming ports on a port to port bases are routed to the proper private IP,
 
DHCP: Dynamic Host Configuration protocol - It CAN provide name server info,
Your router's private IP can be the name server relay. The name server allows you to use names for IP addresses,
 
It can reserve certain address for automatic generation of private IP addresses.
There cannot be more than one DHCP server for the subnet, Static IP's need to be excluded from the pool. A "lease" for a specific amount of time is associated with the address.
 
Certain devices behave better with fixed IP addresess: e.g. Router, printers
 
That said, there are two ways to "bridge" a network and I;m only going to talk about one way. One allows you to be able to see the cable modem, and the other doesn't.
 
If you place the cable modem in "bridge mode", by using a direct connection, it just relays traffic from network and it has a public IP, but not a private IP.
 
In DSL, things get complicated as to where a ping response comes from. It may not include the wiring from the DSLAM to the premises.
 
The only way to see my modem's config pages in bridge mode is to connect it directly. I set it to a static IP of 192.168.1.1, but my network is 10.10.0.x.
 
There is another address called the MAC address and that's called the Media Access Control, Think of it like latitude and Longtude, Every adapter gets assigned a unique one at the factory. The wireless adapter has one and so does the wired adapter on your PC. These addresses are written on the box and adapter. In the form of AA:BB etc for IPV4. Sometimes the : are missing.
 
It's this addressees that the cable company has associated with your account and credentials. You put another cable modem in it's place, the MAC address doesn't match and it doesn't work. Since the lines are physical on a DSL system, the MAC authentication isn't used.
 
Yes, the cable modem company can be told that you have another modem and make it work, but they have also customized their router;s firmware to be able to run tests.
 
So, some routers offer the ability to "clone" mac addressees. This allows your new modem to masquerade as the real cable router.
 
Earlier I did say that every MAC address is unique. The uniqueness is by routeable network, So, as long as you don't duplicate a MAC address on your private network, your OK.
 
I will be running at some point a very unique configuration and some of it's in place. My DSL modem is within feet of the demarc point and the wireless is in the center of the basement. Wireless will eventually be wireless AC with a repeater. I can't then use a any DSL modem with wireless capabilities.
Their modems limit the 10baseT ports to 100 mb/s and the wireless ports to 300 mb/s. I have a RAID server on a Gigabit ethernet.
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