Electronics Repair

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Diagnose Inverter motor dirve - aircon unit

Hi all, I have an aircon unit that failed. Fault code 'PU' says the capacitor charging circuit failed, this is confirme...
4 comments posted 10yrs
posted by fzczc
4 comments posted 10yrs posted by fzczc

IcePower 200ASC amp module

Hi, can't find any schematics for this module - its a Bang & Olufsun combined SMPS/Class D audio amp PCB. The one I hav...
25 comments posted 10yrs
posted by soundserviceleeds
25 comments posted 10yrs posted by soundserviceleeds

Behringer GMX1200H guitar amp, 2011 (?)

Stock fault ? Phones o/p but no sp o/p. Both pcb traces to the main bridge rects fried. 2xLM3886 seem ok cold DVM "test...
2 comments posted 10yrs
posted by diverse
2 comments posted 10yrs posted by diverse

Need Recharge education

I have 13 chest type freezers, a couple of upright freezers and a two Ice Machines having to do with my business. The f...
3 comments posted 10yrs
posted by nojunk
3 comments posted 10yrs posted by nojunk

Wow & Flutter Meters

So, hoped to have left all this mechanical error measurement stuff behind me back in the 80's but I guess with the rene...
16 comments posted 10yrs
posted by Chipbee40_SpamNo
16 comments posted 10yrs posted by Chipbee40_SpamNo

Help identifying connector

http://imgur.com/a/6qeua (The images of the plug are stills from a video. I don?t have it in my possession.) The header...
4 comments posted 10yrs
posted by not
4 comments posted 10yrs posted by not

LG DVD Player Won't Turn Off

5 year old BP620 used primarily for streaming media. Long ago the WiFi became flakey so I used an old router as an AP a...
2 comments posted 10yrs
posted by johnkeiser
2 comments posted 10yrs posted by johnkeiser

Sony CRT TV not switching on

I have got a Sony Wega Flat CRT TV ? KV-AR21M83. One day its pictur e gone bad. Before this it never gave problem. Its...
21 comments posted 10yrs
posted by mail4ronald17
21 comments posted 10yrs posted by mail4ronald17

Could this be power supply related?

I have a computer with a funky power supply. It won't turn on until something in it is warm enough. I have ordered anot...
8 comments posted 10yrs
posted by etpm
8 comments posted 10yrs posted by etpm

LM317 Votage Regulator Instability?

Hi all, I'm having serious difficulty trying to get this issue resolved and was wondering if anyone here has come acros...
40 comments posted 10yrs
posted by curd
40 comments posted 10yrs posted by curd

Extech DC clamp meter, large DC offset developed.

Just got a Extech 845 , 1000 amp AC/DC clamp with a basic DMM on it and IR.. I used the DC amp once, it worked.. put th...
11 comments posted 10yrs
posted by jamie_ka1lpa
11 comments posted 10yrs posted by jamie_ka1lpa

Laptop power socket/plug problem

Been in there and resoldered , still intermittant. Don't think its a break inside the power lead. Seems to be in an ann...
5 comments posted 10yrs
posted by diverse
5 comments posted 10yrs posted by diverse

replacing 12v halogens with LEDs?

I have been having severe problems with 12v halogen "spot"lights. My Satco strip seems to blow its individual internal...
15 comments posted 10yrs
posted by dmanzaluni
15 comments posted 10yrs posted by dmanzaluni

Deoxt

I have not used it but just bought a spray can of Deoxit. From reading about it, it seems to be the greatest stuff for...
40 comments posted 10yrs
posted by rmowery28146
40 comments posted 10yrs posted by rmowery28146