Electronics Repair

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Worth reading in Electronics Repair

lazy repair

One of my test power supplies in a rather large switching unit from Power One in the SPM5 series. It's basically a main...
0 comments posted 10yrs
posted by presence
0 comments posted 10yrs posted by presence

Replace Li-Ion cells in battery pack?

have an 18V 2.4AH battery pack for Ryobi power tools that will no longer take a charge and that the charger indicates i...
17 comments posted 10yrs
posted by Nobody
17 comments posted 10yrs posted by Nobody

recommend lunch with contractor(s)?

I guess bar-b-que, burgers, fried chicken and french fries are great, but n ot if you are wearing a buttoned-up shirt t...
15 comments posted 10yrs
posted by mogulah
15 comments posted 10yrs posted by mogulah

Aiwa PAL and NTSC VHS horizontal bars

An Albanian gentleman asked me to check this for him because he has lots of tape from home, and I don't have a clue abo...
6 comments posted 10yrs
posted by ohger1s
6 comments posted 10yrs posted by ohger1s

Boss RE20 Space Echo effects pedal

The DSP works giving a spacey output but only when the Intensity control is at 3/4 to full, so too much, and straight t...
5 comments posted 10yrs
posted by diverse
5 comments posted 10yrs posted by diverse

Sony str-av570 problem

So recently I got a Sony STR - av 570 and I fix the problem where the surro und LED light blinks and it starts making a...
0 comments posted 10yrs
posted by seanmtweedie
0 comments posted 10yrs posted by seanmtweedie

Semi-OT: Email Program

> > Thanks for all the help with recovering email. The problem turned > > out to be with the mail server (earthlink). I...
0 comments posted 10yrs
posted by mogulah
0 comments posted 10yrs posted by mogulah

Best type of battery for busking amp

Hi, what's the best type of battery for a busking amp? I have a couple of Electro Harmonix Freedom amps here. Apparentl...
1 comments posted 10yrs
posted by sound.service
1 comments posted 10yrs posted by sound.service

Hartke HA3500 amp, tube v solid-state

The owner cannot detect a difference. Other than different gain settings are obvious, how to set up and test? . I've no...
0 comments posted 10yrs
posted by diverse
0 comments posted 10yrs posted by diverse

Consumer electronics "war stories"

OK, so it appears there is very little to discuss on this group in areas like repairing audio components, amps, receive...
95 comments posted 10yrs
posted by mark_zacharias
95 comments posted 10yrs posted by mark_zacharias

Wrong kind of tinning?

Pure tin tinning on a component which should have had derogated Pb/Sn tinning? The normal RoHS cheap component getting...
16 comments posted 10yrs
posted by diverse
16 comments posted 10yrs posted by diverse

Fender vibro champ XD, PR736 of 2010 PbF

Crackle just like cathode/heater leakage in one of the valves, but active test as perfectly good isolation . This crack...
1 comments posted 10yrs
posted by diverse
1 comments posted 10yrs posted by diverse