Electronics Repair

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NiMH new battery conditioning

Per a previous discussion, I decided to test whether new NiMH batteries need to be conditioned or charged several times...
20 comments posted 15yrs
posted by jeffl
20 comments posted 15yrs posted by jeffl

zebra connector

My expensive multimeter has got broken plastic pins that hold the lcd disply on the pcb. In spite of all my efforts I c...
6 comments posted 15yrs
posted by vale
6 comments posted 15yrs posted by vale

how to disassemble this AC Adapter?

Have a Battery Technology, Inc. AC Adapter for an IBM Laptop IB-PS365, 55W 16V 3.4A The thing has gone intermittent. By...
13 comments posted 15yrs
posted by macy
13 comments posted 15yrs posted by macy

microwave oven stopping prematurely, repairable?

Hello folks, happy Memorial Day weekend to you all! My microwave is acting erratic, maybe you can help me see if it is...
8 comments posted 15yrs
posted by tin6150
8 comments posted 15yrs posted by tin6150

Power transistor question...

Have a very small (5" screen) black and white TV that has lost its verticle hold. MIL would like it repaired if possibl...
27 comments posted 15yrs
posted by db5151
27 comments posted 15yrs posted by db5151

vcr repair emerson ev868

does anyone here have a schematic of a typical optical reader circuit on a vcr? problem is: emerson ev868 vcr powers up...
3 comments posted 15yrs
posted by rose122550
3 comments posted 15yrs posted by rose122550

Paradigm PS-12 subwoofer amp. repair tip.

Paradigm didn't supply schematics to these when I worked for a dealer but a friend asked me to see if I could fix his....
0 comments posted 15yrs
posted by chuckh
0 comments posted 15yrs posted by chuckh

Update: Icom IC-7000 Low UHF Output Power

Hi, Months ago, I posted here regarding an Icom IC-7000 transceiver with low output power on UHF (440MHZ). I replaced Q...
2 comments posted 15yrs
posted by jaugustine
2 comments posted 15yrs posted by jaugustine

What kills a valve rectifier?

Amp used for the first time, in 2 years of regular mains use, with a generator. Works fine with no problems. Coincidenc...
27 comments posted 15yrs
posted by diverse
27 comments posted 15yrs posted by diverse

Wall Warts

I've a Skil Mod 2375 3/8" cordless drill (9.6v) thats nearly an antique. The old wall wart outputs dc 11v, 250 mA when...
44 comments posted 15yrs
posted by puddingDOTman
44 comments posted 15yrs posted by puddingDOTman

Part Needed for APC Smart-UPS SUA1500

Does anyone have one of these laying around for parts? I need the little transformer on the mainboard, mine got broken o...
1 comments posted 15yrs
posted by zappyman
1 comments posted 15yrs posted by zappyman

Fixing a bent usb

Too many times I've thrown out a bent USB.. what if I really needed it? how likely would I be to repair it? Any kits? U...
5 comments posted 15yrs
posted by vjp2.at
5 comments posted 15yrs posted by vjp2.at

AM/FM radio troubleshooting

I have a Grundig "Transistor 305" portable radio. It uses germanium transistors. I've had this thing for over forty yea...
25 comments posted 15yrs
posted by captainvideo462009
25 comments posted 15yrs posted by captainvideo462009

PC Power Supply Recommendations?

Am looking for a reliable cost effective ATX Power Supply. While researching found "Who's Who In Power Supplies, 2011:...
10 comments posted 15yrs
posted by kenitholson
10 comments posted 15yrs posted by kenitholson