Electronics Repair

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Follow-up on: TV speaker amplifeir

Follow-up on: TV speaker amplifeir Started March 1, 2013 When last we talked, you had recommended ferrite cores to keep...
3 comments posted 13yrs
posted by NONONOmisc07
3 comments posted 13yrs posted by NONONOmisc07

Follow-up on A Sony' CRTs color is screwed up.

Follow-up: A Sony' CRTs color is screwed up. Begun June 1. About a week after the last post in the thread, the sound an...
2 comments posted 13yrs
posted by NONONOmisc07
2 comments posted 13yrs posted by NONONOmisc07

Boss BR600, digital recorder, 2006

Boss BR600, digital recorder, 2006 Q47 an 8pin SMD presumably a powerFET switch, with an erupted hole in it. Marking BB...
12 comments posted 13yrs
posted by diverse
12 comments posted 13yrs posted by diverse

Eminence Grise

well noire rather than grise I'm not geting a consistent story from the recording studio where these 2 Marshall MG250DF...
5 comments posted 13yrs
posted by diverse
5 comments posted 13yrs posted by diverse

Failure modes electronic fence

My galagher electric fence generator used to give around 6kV, but now is only giving around 3kV unloaded. What are the...
4 comments posted 13yrs
posted by leif
4 comments posted 13yrs posted by leif

Ventura LCD19DVD-106.

Please can anyone help me find the user manual? Thanks.
0 comments posted 13yrs
posted by gangprobing.alien
0 comments posted 13yrs posted by gangprobing.alien

Electrolytic ESR verus temperature test

I decided that it was time to run a test of what happens to the ESR of an electrolytic capacitor over temperature. As a...
20 comments posted 13yrs
posted by jeffl
20 comments posted 13yrs posted by jeffl

Harman Kardan AVR1700 Rcvr BCO update

A friend has an AVR1700 receiver which displays a BCO Update message and locks up. A google search reveals this problem...
36 comments posted 13yrs
posted by NoEMail
36 comments posted 13yrs posted by NoEMail

NIMH Cells Zero Volts Shorts Whiskers

For years, I've read that nicad cells develop shorts from crystalline(?) whisker growth penetrating the insulating laye...
13 comments posted 13yrs
posted by wb_wildbill
13 comments posted 13yrs posted by wb_wildbill

Tubular ceramic cap, silver migration?

Got inside this audio Low Pass Filter block, after desoldering the associated IC but problem was an ohmic cap,1.5mm dia...
1 comments posted 13yrs
posted by diverse
1 comments posted 13yrs posted by diverse

Tektronix 475 scope

Hi, the first anode (EHT) of my old 475 scope is arcing, either under the cap or to chassis. How do I get to it? (yes I...
12 comments posted 13yrs
posted by data_please
12 comments posted 13yrs posted by data_please