Electronics Repair

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sylvania model srt2027 vertical foldover

I need a schematic or good advice. I tried replacing some of the caps. c541 a 100uf and c578 a 47uf . i dont know what...
4 comments posted 17yrs
posted by swmorison
4 comments posted 17yrs posted by swmorison

RF signal mixing mystery

Hello.... I have a peculiar problem that I can't understand, so I can't reslove it I'm using a few CCTV cams into a 8 c...
5 comments posted 17yrs
posted by idea
5 comments posted 17yrs posted by idea

PV charge controller

Hi, I've rescued several small PV panels along with a pair of gel-cels from an electric wheelchair that still have usef...
7 comments posted 17yrs
posted by not.going.to.be
7 comments posted 17yrs posted by not.going.to.be

Sony CD Walkman problem

I know the easiest way to fix this is to just go out and buy another CD/AM-FM player but I know there are a lot of know...
5 comments posted 17yrs
posted by tnom
5 comments posted 17yrs posted by tnom

What is this thing?

Bought this at a thrift store yesterday. Don't have a clue what it is. Took it outside to get some photos of it and it...
5 comments posted 17yrs
posted by l_buckeye
5 comments posted 17yrs posted by l_buckeye

Vizio

Hi! If you had a Vizio Mdl27F520T without stanby voltage, Is the best and easiest way to fix it,replace the power supply...
1 comments posted 17yrs
posted by vmschmitt
1 comments posted 17yrs posted by vmschmitt

Dead pixels on CRT

http://tinyurl.com/yz3eko4 How does a CRT end up with a vertical line of dead pixels? Sylvia.
21 comments posted 17yrs
posted by sylvia
21 comments posted 17yrs posted by sylvia

Circuit Board Carbon Arc

I have a 55 year old door chime clock and the board has carbon arcs which is causing a short. I have seen boards with t...
9 comments posted 17yrs
posted by newsgroups1
9 comments posted 17yrs posted by newsgroups1

Laser printer gloat

This inspired by the mini-thread in the thread up yonder about HP DeskJet printers. Actually something of a reverse glo...
47 comments posted 17yrs
posted by nobody
47 comments posted 17yrs posted by nobody

RCA model F36688, CH. CTC197CN5, wierd symptoms

This set came on, autoprogrammed normally and ran for a half hour and apparently shut off while I had left the room. I...
1 comments posted 17yrs
posted by captainvideo462002
1 comments posted 17yrs posted by captainvideo462002

12AX7, 7025, ECC83. ETC

I have a Fender reissue model guitar amp in for service. It has 2 Fender 12AX7's that are microphonic. These are Chines...
9 comments posted 17yrs
posted by captainvideo462002
9 comments posted 17yrs posted by captainvideo462002

Yamaha YST-SW315 sub ...

Can anyone tell me the value of R20 (right at the output - poss part of Zobel network ??) or better yet, have a PDF copy...
2 comments posted 17yrs
posted by arfa.daily
2 comments posted 17yrs posted by arfa.daily

Carlsbro S600M, 1981 600W slave amp

If anyone should have any info on the triac ? mains power protection, or maybe similar Carlsbro amp , th/sw on heatsink...
13 comments posted 17yrs
posted by diverse
13 comments posted 17yrs posted by diverse

Hardware flakiness (Windoze BSOD)

So I made up a SCSI cable for the scanner I got off the street (literally), an Agfa SnapScan 1236. (Had to cobble up th...
26 comments posted 17yrs
posted by nobody
26 comments posted 17yrs posted by nobody

Adding a 6v boost to a 12v battery charger

I have access to a Schumacher wheeled battery charger that is 12 v only. I want to use its boost feature (200amp) on 6...
20 comments posted 17yrs
posted by too_many_tools
20 comments posted 17yrs posted by too_many_tools