Electronics Repair

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Crawford 41A3039 garage door opener

Made by Chamberlin. Receiver quit working, PCB is labeled 14LG300F. Need schematic. Thanks, Mikek
5 comments posted 11yrs
posted by nojunk
5 comments posted 11yrs posted by nojunk

RCA cpr 250

I was recently given one of these, but it does not record, playback, rewind, or fast forward. I can still look through...
1 comments posted 11yrs
posted by gthompson204
1 comments posted 11yrs posted by gthompson204

AC Power Surge Protection?

A friend recently had her audio system damaged from an AC Power Surge. Would like to prevent this so Googled using AC P...
10 comments posted 11yrs
posted by kenitholson
10 comments posted 11yrs posted by kenitholson

Sony Trinitron model KV-19TS20

My vintage Sony Trinitron model KV-19TS20 goes wacky after inly a few seconds. screen has jagged lines and makes a noise...
11 comments posted 11yrs
posted by sasquatch763
11 comments posted 11yrs posted by sasquatch763

Wavetek 3100 service monitor problems

I have a Waveteck model 3100 service monitor. I got this unit from a guy ab out 15 years ago and I think that I used it...
7 comments posted 11yrs
posted by captainvideo462009
7 comments posted 11yrs posted by captainvideo462009

Re: CD laser assembly replacement on the cheap

> > Hmm, occasionally I attempt to replace either a laser or complete > laser/motor assembly using cheap generic parts,...
0 comments posted 11yrs
posted by mike.terrell
0 comments posted 11yrs posted by mike.terrell

Bug zapper questions

Hi, I want to switch this bug zapper over to led or cfl light. I figured t he hi voltage transformer primary was 120v b...
4 comments posted 11yrs
posted by energyhealingarts
4 comments posted 11yrs posted by energyhealingarts

Do Polyswitches ever go bad?

The discussion of the device in series with the Cannon XLR jogged my memories of the Polyswitch, a protective device wh...
7 comments posted 11yrs
posted by spamtrap1888
7 comments posted 11yrs posted by spamtrap1888

Sony Rcvr STR-DE675 random loud pops

My Sony STR-DE675 Receiver (at least ten years old by now) has started to make random loud pops to the speakers (I have...
8 comments posted 11yrs
posted by paul+usenet
8 comments posted 11yrs posted by paul+usenet

Need recommendation for hot air rework tool.

I would like to ask you all what suggestions you would have for a hot air rework tool. I wouldn't be using it often but...
15 comments posted 11yrs
posted by farberbear.unspam
15 comments posted 11yrs posted by farberbear.unspam

Fixing a cellphone??

I have a Samsung Stratosphere smart phone. I use it as a tablet. When I turn it on, it starts to boot, hits the splash...
6 comments posted 11yrs
posted by ham789
6 comments posted 11yrs posted by ham789

DVD Media Player Drive Belt Replacement

I have a DVD Media Player Drive sd-6100ku Toshiba with a slipping DVD door opening drive belt. The door will open if I...
2 comments posted 11yrs
posted by nospam
2 comments posted 11yrs posted by nospam

Opening the case of a VisionQuest 2200W monitor.

Hi, For a repair, I want to open the case of a VisionQuest 2200W monitor. Photo at http://easthope.ca/VisionQuest2200W....
2 comments posted 11yrs
posted by petereasthope
2 comments posted 11yrs posted by petereasthope