Electronics Repair

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SMPS: I'm Topologically Challenged

Hi, I'm in need of a pointer to a couple of representative circuits so that I can get my brain around the particular co...
5 comments posted 17yrs
posted by ximac
5 comments posted 17yrs posted by ximac

sharp vl-ah50

i have a camera that powers up just fine but when i press the eject button to open up, the inside metal casing that actu...
0 comments posted 17yrs
posted by handyman3006
0 comments posted 17yrs posted by handyman3006

Nichrome winding insulation question

I have two old soldering stations with burned out elements I want to rewind. ( One is an old ungar they quit making age...
2 comments posted 17yrs
posted by worley45
2 comments posted 17yrs posted by worley45

glass cement - what is it ?

The cement used to fix the UV filter glass discs to the front of dichroic lamps etc, so high temperatures. It is clear...
3 comments posted 17yrs
posted by diverse
3 comments posted 17yrs posted by diverse

Sony KV-XS29M33

Can anyone please help me out with the above TV set. The set is dead with no pic or audio. On powering up there are 2 f...
2 comments posted 17yrs
posted by con244
2 comments posted 17yrs posted by con244

diagnosing an ailing Li-Ion battery pack

Hi all, I'm trying to figure out what's wrong with a Li-Ion battery pack. It's a cheap one that I got from eBay for my...
3 comments posted 17yrs
posted by dlenski
3 comments posted 17yrs posted by dlenski

Where to buy a plug in transformer

I thought this would be the easiest thing I ever shopped for on the Internet, but alas.. I'm looking for a AC120V -> AC...
6 comments posted 17yrs
posted by Cybnorm
6 comments posted 17yrs posted by Cybnorm

Resistance variation with thickness

For a given length of fine copper wire of diameter 0.072 mm (2.9 mil) = 0.004 sq mm, if it is squashed to cross-section...
23 comments posted 17yrs
posted by diverse
23 comments posted 17yrs posted by diverse

Vaio PCG-K23 laptop power jack cracked.

I'm trying to find the replacement power jack for a Vaio PCG-K23 laptop at a reasonable price. Sony wants $38 because o...
2 comments posted 17yrs
posted by farberbear.unspam
2 comments posted 17yrs posted by farberbear.unspam

Hot Batteries in TV Remote

My son noticed that the battery area of our TV remote was quite hot. I immediately removed the batteries, both were alm...
7 comments posted 17yrs
posted by powrwrap
7 comments posted 17yrs posted by powrwrap

solatron multimeter

Hi. Can the group advise me on how to calibrate a solatron 7045 multimeter on the ohms range? (cannot get it zero out)....
2 comments posted 17yrs
posted by casmisan
2 comments posted 17yrs posted by casmisan