Electronics Repair

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Introduction of PIC in my School

Hi friends and good pals out there, I want to introduce Micro-controllers in my schools electronics curriculum as it is...
2 comments posted 15yrs
posted by fynnashba
2 comments posted 15yrs posted by fynnashba

Is there a fuse on a Samsung SV4000?

The power has completely gone off and it is still plugged in. I cant see any fuse on the back but does anyone know if t...
15 comments posted 15yrs
posted by licensedtoquill
15 comments posted 15yrs posted by licensedtoquill

Fuse: fast blown vs slow blown

How dangerous is it to replace a 500mA fast-brown fuse with a 500mA slow-brown one? -- @~@ Might, Courage, Vision, SINC...
58 comments posted 15yrs
posted by toylet.toylet
58 comments posted 15yrs posted by toylet.toylet

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