Electronics Repair

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2SC3280/81 yamaha MX1000

I am working on a old Yamaha MX1000 power amp. Each amp channel has 3 2sc3280 and two 2sc3281. ditto for the 2A1301/130...
4 comments posted 16yrs
posted by sound
4 comments posted 16yrs posted by sound

Protron PL32 TV short?

Story so far: Was given a PL32, - the one with the endemically bad power adapter, - without a power adapter. Bought a n...
3 comments posted 16yrs
posted by dmanzaluni
3 comments posted 16yrs posted by dmanzaluni

Soligor AR-20 Ring Light

Hi, I have a Soligor Auto Ringlight AR-20 with one of the "standby" lamps dead. These look to be just wheat germ bulbs....
0 comments posted 16yrs
posted by not.going.to.be
0 comments posted 16yrs posted by not.going.to.be

Panasonic VP-5720A oscilloscope freezed

Hi, I have a old Panasonic VP-5720A DSO that power up but keys is locked and CRT display nothing. I have try to disconn...
0 comments posted 16yrs
posted by leditapaolo.75
0 comments posted 16yrs posted by leditapaolo.75

Concertone ZX75 car audio system

A friend of mine has just bought himself, and imported here to the UK an American RV. It is fitted with a Concertone ZX...
10 comments posted 16yrs
posted by mark.carver
10 comments posted 16yrs posted by mark.carver

Hot knife

Hi, [Obviously, the weekend has been spent disassembling and repairing/replacing a variety of "toys" :-/ ] What tricks...
7 comments posted 16yrs
posted by not.going.to.be
7 comments posted 16yrs posted by not.going.to.be

DVD/ STEREO SYSTEM: bridge rectifier question

I've just 'fixed' a dvd/amp/stereo all in one made by the world famous Sunstech :-p ( model hf-dv55m ; manual and detai...
3 comments posted 16yrs
posted by reverend_rogers
3 comments posted 16yrs posted by reverend_rogers

Tabbed battery replacements

Hi, Replacing rechargeable battery packs in consumer kit is a bane I suspect most of us share. You can't "solder" to in...
15 comments posted 16yrs
posted by not.going.to.be
15 comments posted 16yrs posted by not.going.to.be

Voltage Regulator 041M03 (2025 Update)

Can't find any info on this device. I need to know what the output voltage should be. I'm assuming 3 volts, but would l...
10 comments posted 16yrs
posted by huskita92
10 comments posted 16yrs posted by huskita92

LCD inverter

Hi everyone. I recently got a 22" LCD monitor which has a bad backlight inverter.. It is a Phillips LC200WX1 which is p...
4 comments posted 16yrs
posted by mike
4 comments posted 16yrs posted by mike