Electronics Repair

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Marantz SR5400 ...

Anybody come across this one as a 'stock' fault ? Got one on the bench now that comes out of standby with the immediate...
3 comments posted 18yrs
posted by arfa.daily
3 comments posted 18yrs posted by arfa.daily

TDS540 CH3 dead

Hello all, I have a TDS540A that was failing the acquisition board on it's power-on self test. This unit had the proble...
7 comments posted 18yrs
posted by none
7 comments posted 18yrs posted by none

power thyristor-help

323A3351P21 Please data sheet tnx
2 comments posted 18yrs
posted by srecko.modric
2 comments posted 18yrs posted by srecko.modric

SONY 'S' Mech VCR Tape jumps out..?

My Local service shop and passed employer can't seem to find what is wrong with this Sony VCR, its the Model SLV - EZ70...
7 comments posted 18yrs
posted by bm
7 comments posted 18yrs posted by bm

sony KV2764EC E/W correction problem

Hello, My sony TV KV2764EC has an E/W problem. The circuit is based on a TDA1082 and thyristor S6344G. I never came acc...
0 comments posted 18yrs
posted by mdebeule
0 comments posted 18yrs posted by mdebeule

Tektronix 2236 , Won't power up , makes sounds .

Hey all , Well the power supply schema is similar to 2215, pretty much any 22XX . when i turn on the scope it makes hig...
3 comments posted 18yrs
posted by NetSpid3r
3 comments posted 18yrs posted by NetSpid3r

Kenwood Receiver troubleshooting

Hi all. Im a newbie to this particular group, one can usually find me on the Rec.Games.Pinball forums, but I happen to...
7 comments posted 18yrs
posted by gaboozo99
7 comments posted 18yrs posted by gaboozo99

Technika MC-407DAB.

Here's a tip that might help a few people. This cheap (£50) midi CD/DAB which I suspect has the same innards as a popul...
0 comments posted 18yrs
posted by dai.ode
0 comments posted 18yrs posted by dai.ode

Adapting white LEDs as festoon bulbs?

Where 5mm is the maximum dimension / available space of the original bulb so you cannot turn aroud the LED. Would be us...
27 comments posted 18yrs
posted by diverse8
27 comments posted 18yrs posted by diverse8

Ashdown audio band amps - generic fault

For factory retro-fitted fans. 3 faults in one just fitting a fan and power bleedoff For random fan stoppage - look for...
5 comments posted 18yrs
posted by diverse8
5 comments posted 18yrs posted by diverse8

Ampex ASR 100 problem

I have an Ampex ASR 100 serial no. 5100141 that suddenly stopped working. One minute it was working and suddenly the ci...
1 comments posted 18yrs
posted by t2k
1 comments posted 18yrs posted by t2k

transformer oil

Will ordinary 10w30 motor oil work ok as transformer oil? This is for some HV experimenting, not any sort of commercial...
23 comments posted 18yrs
posted by jamessweet
23 comments posted 18yrs posted by jamessweet

KLH21 - Looking for a transistor sub

Hi, I'm looking for the elusive audio driver transistor in the KLH 21- series radios. It is house marked as KLH5351. Ea...
11 comments posted 18yrs
posted by radioexray
11 comments posted 18yrs posted by radioexray