Electronics Repair

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LJ44-00092C

Hello guys, Please i need your assistance with this board [Samsung, LJ44-00092C]. There is a voltage shortage at VG out...
2 comments posted 15yrs
posted by mikewee4wee
2 comments posted 15yrs posted by mikewee4wee

NVIDIA GPU defect repair

Vostro 1400 DELL laptop with Nvidia 8400m-gs GPU. i just got into this a couple months ago so am somewhat under informe...
2 comments posted 15yrs
posted by divx.dude
2 comments posted 15yrs posted by divx.dude

Speaker Crossover Wiring : Solve the Puzzle

Someone brought me an old Wharfedale model W-90 monitor speaker, a massive old beast with two highs, two midranges, and...
7 comments posted 15yrs
posted by zappyman
7 comments posted 15yrs posted by zappyman

AVO 8 Mk 4 ...

Anybody got a copy of the schematic that's in the back of the user guide that they can scan for me, please ? I've searc...
41 comments posted 15yrs
posted by arfa.daily
41 comments posted 15yrs posted by arfa.daily

Foregoing warranty rights

Anyone else coming across this ? Twice in about 2 months, an owner of new music kit wanting me to repair intermittant f...
40 comments posted 15yrs
posted by diverse
40 comments posted 15yrs posted by diverse

Compaq Presario 1230 Laptop Accessing BIOS Setup

Hi, I service TVs, etc. Once in a while, I service my own computers, one of which is a Compaq Presario 1230 laptop with...
5 comments posted 15yrs
posted by jaugustine
5 comments posted 15yrs posted by jaugustine

Backwards electrolytics (again)

It's another day in capacitor hell. About 2 months ago, I replaced the bulging caps in a Dell Optiplex GX-520, but inse...
17 comments posted 15yrs
posted by jeffl
17 comments posted 15yrs posted by jeffl

ROHDE&SCHWARZ

Does anyone knows where/how find schematics or repair manual for a vintage receiver ROHDE&SCHWARZ mod EK56/2 ? I would l...
0 comments posted 15yrs
posted by vale
0 comments posted 15yrs posted by vale

Toroidal mains Tx inrush limiter - retrofit

This 300W amp blows correct T3.15A fuses every now and then at sw on. The owner left in the last one so I can see it is...
38 comments posted 15yrs
posted by diverse
38 comments posted 15yrs posted by diverse

Mitsubishi WD-52525 issue.

I'm having trouble with my dlp television. The problem is that I'm getting random lines that show up on my screen in va...
0 comments posted 15yrs
posted by bmextra
0 comments posted 15yrs posted by bmextra

Viewsonic G810 with weird horizontal problem

Hi: I have a Viewsonic G810 CRT monitor on the bench with a weird horizontal problem. I'll start at the beginning. The...
3 comments posted 15yrs
posted by eikelan
3 comments posted 15yrs posted by eikelan

Magnavox ZV450MW8A Remote Control Fix?

I have had this DVD/VCR combo unit for over 3 years now, and would like = to find out if anyone has found a 3rd party r...
12 comments posted 15yrs
posted by guvbob2003
12 comments posted 15yrs posted by guvbob2003

CRT vertical deflection -- bad solder joints?

Hello, Is it likely that bad solder joints would cause vertical foldover in a mid-90s CRT television? I have a Hitachi...
35 comments posted 15yrs
posted by seanhamilton
35 comments posted 15yrs posted by seanhamilton

Yamaha Stagepas 300

The manual is now on eservice but Yam considers the amps as non-component level repair, uses ST P14NF12FP powerFET. Wou...
2 comments posted 15yrs
posted by diverse
2 comments posted 15yrs posted by diverse