Electronics Repair

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Workbench Magnifier Lamp Purchase

I enjoy soldering and repairing electronics, both old TV's, radios, and modern circuitboards. Unfortunately my eyesight...
7 comments posted 17yrs
posted by nobody
7 comments posted 17yrs posted by nobody

UPS battery hookup

I was given a used Belkin F6C1100-UNV 1100VA UPS unit. I was told that it works, but doesn't have batteries in it. I've...
10 comments posted 17yrs
posted by masondg4499
10 comments posted 17yrs posted by masondg4499

Crompton Parkinson alternator schematics

Hi, I need a schematic over the excitation circuit for this Crompton Parkinson alternator. Its model label is here: htt...
1 comments posted 17yrs
posted by geir56
1 comments posted 17yrs posted by geir56

Scored lines on speaker voice coil former

Due to dirt in use or at manufacture? Carlsboro 10 inch ,open circuit, so burrowed in to explore. On the phenolic cylin...
12 comments posted 17yrs
posted by diverse
12 comments posted 17yrs posted by diverse

Mid 90's GE TV Problem

Hi, I know if you had the model and chasis number this would probably be more useful, but it's difficult to get that ri...
2 comments posted 17yrs
posted by dewdude
2 comments posted 17yrs posted by dewdude

Tower trouble

I have a computer that sometimes when I turn it on will continually seek the harddrives, cd rom and floppy. The video n...
16 comments posted 17yrs
posted by boobooililililil
16 comments posted 17yrs posted by boobooililililil

Marantz tuner ...

Anyone help me out with a copy of the schematics for a Marantz ST48 tuner please ? One of those 'friend of a friend' job...
3 comments posted 17yrs
posted by arfa.daily
3 comments posted 17yrs posted by arfa.daily

BenQ FP72G Monitor Repair

I have a SP72G BenQ Monitor which worked fin for 3 years until one day when I switched it on and it displayed teh BenQ...
1 comments posted 17yrs
posted by shanegvaningen
1 comments posted 17yrs posted by shanegvaningen

Hard disk protection diode?

Does anyone have specific information about the protection device at the power supply inputs of hard disks? I assume th...
16 comments posted 17yrs
posted by pimpom
16 comments posted 17yrs posted by pimpom

HITACHI TRK-8001W Radio Cassette Player

Hi i have this boombox making discharge noise just only in the left channel and in tape mode. The noise isn't coming th...
3 comments posted 17yrs
posted by alejandrocavalieri
3 comments posted 17yrs posted by alejandrocavalieri

Old flourascents lights.

what it is, I like to wear print/horizontal/verticle lines (whatever they are called?) shirts.What it used to be like b...
7 comments posted 17yrs
posted by cuhulin
7 comments posted 17yrs posted by cuhulin