Electronics Repair

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Selenium Rectifier / Metal Rectifier queries

Firstly are they synomynous? I have a data book , printed in 1933 Westinghouse "the all-metal way" metal rectifiers , h...
26 comments posted 17yrs
posted by diverse
26 comments posted 17yrs posted by diverse

It's got me beat ...

Genus Type R portable DAB radio. Nice elegant looking unit. Nice simple (I think) problem, but how the F#@! does it com...
53 comments posted 17yrs
posted by arfa.daily
53 comments posted 17yrs posted by arfa.daily

pioneer laser disc player inoperative

pioneer CLD-D702 the front panel display works.the tray drawer opens and closes,loads a cd/laserdisc but the disc never...
8 comments posted 17yrs
posted by marks4q2
8 comments posted 17yrs posted by marks4q2

Dell Inspiron 5150 won't power up

Hi, Does anyone have, or know where to get hold of a copy of, a schematic for the above? Mine has the common 'won't pow...
0 comments posted 17yrs
posted by news
0 comments posted 17yrs posted by news

Under cabinet television

I have a gpx undercabinet tv that was working fine on av with my sattelite. Now all I get is a blank screen. Any thing I...
0 comments posted 17yrs
posted by johnf555
0 comments posted 17yrs posted by johnf555

Panasonic DVD RV31 skipping problem

I'm attempting to repair a Panasonic DVD RV31 dvd player that has a skipping problem. I've done the basics, cleaned the...
0 comments posted 17yrs
posted by aholeintheground
0 comments posted 17yrs posted by aholeintheground

Laptop LCD

Hello, I have a laptop and the video ribbon cable got messed up. I then purchased a new one and looked at the diagram o...
5 comments posted 17yrs
posted by stepri
5 comments posted 17yrs posted by stepri

Daytek DCM-17WT

Does anybody have a schematic and/or service manual for this monitor?
0 comments posted 17yrs
posted by sparky12x
0 comments posted 17yrs posted by sparky12x

cathode follower

I know some of you are old enough to answer this :) http://www.drtube.com/schematics/ampeg/v4pre-jp.gif V3 - 12DW7 1/2...
11 comments posted 17yrs
posted by meat
11 comments posted 17yrs posted by meat

Testing a Thyratron

New one to me. 6K25 tested on an Avo CT160. Data for 30mA, 100V settings is , under mA/V column 2K ohm. neg grid voltag...
1 comments posted 17yrs
posted by diverse
1 comments posted 17yrs posted by diverse

Marconiphone/Ferguson generic cross reference ?

of 1970s transistors eg I found related crosses for AF2 = BC109, AF6 = BC107 but what is OP1A, PNP, audio power transis...
2 comments posted 17yrs
posted by diverse
2 comments posted 17yrs posted by diverse

VCR Repair - JVC HR-S7600 Control Plate (UK model)

A part of the 'control plate' (described as such in manual) which is supposed to apply pressure to the tape guide lever...
4 comments posted 17yrs
posted by jhfjksdhfkj
4 comments posted 17yrs posted by jhfjksdhfkj