Electronics Repair

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Class D amp

Hi, I'm trying to fault find this amp. http://tinypic.com/r/n3kxp1/9 The IC's are IRS2092 https://www.infineon.com/dgdl...
5 comments posted 8yrs
posted by soundserviceleeds
5 comments posted 8yrs posted by soundserviceleeds

HITACHI V-353F OSCILLOSCOPE V-353-F

A friend of mine sent me a rather cryptic message. Apparently he's got one of these scopes that's decided it doesn't ha...
40 comments posted 8yrs
posted by jdangus
40 comments posted 8yrs posted by jdangus

Need help for my project

Sir i am trying a project in welding by using microwave oven. I have some technical information about microwave oven. C...
6 comments posted 8yrs
posted by thilagarathinam26
6 comments posted 8yrs posted by thilagarathinam26

Tektronix 565 repair

Been playing with this scope for some time. Original problem, blowing 10 ohm 2 watt surge resistors in supply. Replaced...
17 comments posted 8yrs
posted by zekor
17 comments posted 8yrs posted by zekor

Use of non-screened transformer in old monitor

I have partially repaired an IBM mono monitor whose mains transformer had f ailed. http://minuszerodegrees.net/oa/OA%20...
14 comments posted 8yrs
posted by jms019
14 comments posted 8yrs posted by jms019

Isolation transformer in place of a GFCI

A friend of mine has a 120volt string of lights above his swimming pool. Th ere is one 15 amp circuit for both the ligh...
26 comments posted 8yrs
posted by captainvideo462009
26 comments posted 8yrs posted by captainvideo462009

Car gauges dip down after power-off.

This is not really a 'repair' question; I'm just a bit curious about something and I suspect someone here might know ab...
15 comments posted 8yrs
posted by mqduffy001
15 comments posted 8yrs posted by mqduffy001

125v e3A fuse needed

where can i buy a 125v e3A fuse for my vcr? tony
3 comments posted 8yrs
posted by ajfaiola
3 comments posted 8yrs posted by ajfaiola

BenQ G2420HD LCD monitor cannot stay lit up

I have a BenQ G2420HD monitor that was damaged during transportation. Two of the four CCFL tubes were broken and I've s...
11 comments posted 8yrs
posted by Pimpom
11 comments posted 8yrs posted by Pimpom

Need a button for Sony Cfd-s350

Greetings.....I've always been impressed at the depth of knowledge displaye d within this group so this might be the ri...
5 comments posted 8yrs
posted by mikespo
5 comments posted 8yrs posted by mikespo

WHAT speaker units

With a few days time n $$$ a new cargo area speaker upgrade is on. I am flummoxed at what speakers. Wanna do fromm scra...
10 comments posted 8yrs
posted by avagadro7
10 comments posted 8yrs posted by avagadro7

Need a service manual SENNHEISER UPM 550-1

Have a SENNHEISER UPM 550-1 (audio level-meter). My problem is that -14Vdc from the power-supply board is goes upp and...
13 comments posted 8yrs
posted by bo-lennart.karlsson
13 comments posted 8yrs posted by bo-lennart.karlsson

Panasonic PVR DMR-HWT130

Anyone know how to get the metal chassis out of its plastic case (maybe other similar Panasonic PVRs are fixed the same...
4 comments posted 8yrs
posted by jmlayman
4 comments posted 8yrs posted by jmlayman