Electronics Repair

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LG hombot robot vacuum cleaner disassembly

LG hombot robot vacuum cleaner disassembly I got the open source software from LG, but no reply on my request for a ser...
64 comments posted 12yrs
posted by pNaonStpealmtje
64 comments posted 12yrs posted by pNaonStpealmtje

Re: Rubber dome switches

Xpost list trimmed. Followups set to sci.electronics.repair . > So I have to repair a Yamaha instrument that has its pu...
1 comments posted 12yrs
posted by mroberds
1 comments posted 12yrs posted by mroberds

TV sound volume decreases as picture gets dark

I have a 10 year old Apex TV, (CRT picture tube). It has gradually acquired some irritating faults, but now has one tha...
4 comments posted 12yrs
posted by none
4 comments posted 12yrs posted by none

LG 50PJ550-UD No Picture

Got this set in the shop today, sound is fine but no picture at all, not even a black screen. No visible or audible evi...
2 comments posted 12yrs
posted by packrat1979
2 comments posted 12yrs posted by packrat1979

Wanted : Panasonic TNPH0716AB Plasma TV Mainboard

Just wondered if anyone had a good mainboard, TNPH0716AB or ABS, for a Panasonic plasma TV. Can't seem to find any onli...
2 comments posted 12yrs
posted by packrat1979
2 comments posted 12yrs posted by packrat1979

Strange transformer problem.

I was called today to assist the burner repair guy with an electrical prob lem in one of the apartment houses I work in...
8 comments posted 12yrs
posted by captainvideo462009
8 comments posted 12yrs posted by captainvideo462009

HP Agilent 859X option 105

Anybody who has one of these old spectrum analyzers might be interested in this thread on Agilent's web forum. There ar...
1 comments posted 12yrs
posted by none
1 comments posted 12yrs posted by none

Do latching footswitches always click ?

If something quacks like a duck ... Alpha M footswitches, have a definite click action by finger feel and by sound, but...
1 comments posted 12yrs
posted by diverse
1 comments posted 12yrs posted by diverse

HP Unobtainium IC revisited (1725a)

Believe it or not I obtained one ! However it is from another scope so I am kinda back where I started becasue two scop...
4 comments posted 12yrs
posted by jurb6006
4 comments posted 12yrs posted by jurb6006

Vocalist Live3 stompbox thing

Only 3 months old , should be under warranty but supply company is folded and of course Chinese maker. Failed latching...
4 comments posted 12yrs
posted by diverse
4 comments posted 12yrs posted by diverse

Small Capacitors: What Numbers Critical?

I've got a couple of IP cams where the same cap failed. It's a 15 uF, 100v radial cap spec'd to 105c. But I'm having fi...
22 comments posted 12yrs
posted by x
22 comments posted 12yrs posted by x

Specific color LED's

This is probably going to sound like a non issue to most, and believe me th at I would for the most part agree, but any...
12 comments posted 12yrs
posted by captainvideo462009
12 comments posted 12yrs posted by captainvideo462009

bad solder joints -- threat or menace?

I believe we recently had a discussion about an unsoldered ribbon cable that had managed to make "acceptable" contact f...
6 comments posted 12yrs
posted by grizzledgeezer
6 comments posted 12yrs posted by grizzledgeezer

Finding a replacement MOSFET

I have a faulty motherboard, it doesn't power up when the power switch is p ressed. There are a number of faulty caps t...
8 comments posted 12yrs
posted by simonrowe60
8 comments posted 12yrs posted by simonrowe60