Electronics Repair

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Help with wiring colors on old headphones

I have some vinatge headphones (Sennheiser HD424) and want to attach a new plug. Which color wires are the positive one...
86 comments posted 15yrs
posted by invalid
86 comments posted 15yrs posted by invalid

Where the HELL is Klem ??

" Klem the Kiddie Fiddler " Sorry Phil that I blew right past your response however I guess I'd have to wonder if YOU r...
0 comments posted 15yrs
posted by phil_a
0 comments posted 15yrs posted by phil_a

Oven thermostat question

Would anyone happen to know, in a typical oven thermostat set at say 350 degrees, when it would usually kick on? At 345...
11 comments posted 15yrs
posted by jesse
11 comments posted 15yrs posted by jesse

Zimo DCC info ?

I'm an electronic engineer asked to repair a number of these DCC control boards that apparently plug into/under model t...
15 comments posted 15yrs
posted by diverse
15 comments posted 15yrs posted by diverse

a bios question

There used to be groups where one could get a cogent answer about PCs acting up. I'll try here. I have a friend with an...
31 comments posted 15yrs
posted by left
31 comments posted 15yrs posted by left

Peavey PV2000 slave amp

Ok last summer, stored in an outbuilding over winter , got down to -15 deg C southern England last December. Now one ch...
13 comments posted 15yrs
posted by diverse
13 comments posted 15yrs posted by diverse

arithmetically challenged people

As I'm working, "Let's Make a Deal" is on. A woman has four rolls of a die to get 10 points or more. She gets 8 on the...
111 comments posted 15yrs
posted by grizzledgeezer
111 comments posted 15yrs posted by grizzledgeezer

Samsung 204T syncmaster problem -- not bad caps

I've got one of these that comes on and then the display fades out to black after about 20-30 seconds. Turn off then on...
2 comments posted 15yrs
posted by eyezkubed
2 comments posted 15yrs posted by eyezkubed

Teac AG500

Hello all, I have a Teac AG500 that will not switch between inputs. The CD and Phono indicator lights are both lit. Whe...
8 comments posted 15yrs
posted by woodruffrepair
8 comments posted 15yrs posted by woodruffrepair

Carbon Monoxide detector

Can anyone recommend a competitively priced replacement for my CO detector that has prematurely reached the end of its...
3 comments posted 15yrs
posted by terrypingm
3 comments posted 15yrs posted by terrypingm

Chemical vs standard glass fuses

I have an Audiovox flat panel in the shop for repair. There is an open 7,0 amp chemical fuse on the power supply board...
7 comments posted 15yrs
posted by captainvideo462009
7 comments posted 15yrs posted by captainvideo462009

Wanted 6809 pod for Fluke 9010

MUST pass selftest on arrival at my shop. Need decent cosmetic condition, does not need to look new, needs to have no d...
0 comments posted 15yrs
posted by art
0 comments posted 15yrs posted by art

Magnetic USB FOB cover?

It seems counterintuitive that the cap to a wooden USB fob handed out at a trade show snaps on like it is magnetic.. is...
8 comments posted 15yrs
posted by vjp2.at
8 comments posted 15yrs posted by vjp2.at

electronics

shobadevi75@gmail
1 comments posted 15yrs
posted by shobadevi75
1 comments posted 15yrs posted by shobadevi75