Electronics Repair

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PV PVi4B amp, 2009

Failed output but fan continued. Any new ideas for that archetypal PbF symptom , of failure with owner and everything f...
3 comments posted 9yrs
posted by diverse
3 comments posted 9yrs posted by diverse

PbF + gold-plating + tinpest?

Anyone have a test for tinpest? 2 year old Mark Bass mini CMD 121P amp with rustling noise, bad pbf on the guitar input...
2 comments posted 9yrs
posted by diverse
2 comments posted 9yrs posted by diverse

Problems with OTA UHF reception

For the past ten days or so we have been having problems with TV channel 4. This station broadcasts on UHF from Boston...
0 comments posted 9yrs
posted by captainvideo462009
0 comments posted 9yrs posted by captainvideo462009

TV and monitor service manuals

For what it's worth, archive.org just put up the service manuals for various tv's, monitors and projectors, about 8000...
6 comments posted 9yrs
posted by bje
6 comments posted 9yrs posted by bje

Schematic for 1974 GM car radio needed

I only need the immediate output stage. This had a blown DS501 and I want to check the bias on this germanium transisto...
3 comments posted 9yrs
posted by ohger1s
3 comments posted 9yrs posted by ohger1s

Which part can i check

As the plug of induction cooker put in the socket and switch on the main MCB trips instead of fuse in the ckt board. Wha...
2 comments posted 9yrs
posted by lpardeshi81
2 comments posted 9yrs posted by lpardeshi81

Panasonic VCR NV-SD240B problem

I have a Panasonic NVSD240 that plays tapes perfectly well with brilliant picture. However, when powered on and before...
1 comments posted 9yrs
posted by joebalamand
1 comments posted 9yrs posted by joebalamand

Panasonic NV-SD240B problem

I have a Panasonic NVSD240 that plays tapes perfectly well with brilliant picture. However, when powered on and before...
0 comments posted 9yrs
posted by joebalamand
0 comments posted 9yrs posted by joebalamand