Electronics Repair

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Hot melt glue gun failure

What goes wrong with such guns? Probably overheated and then the resistor block inside goes skew and blocks the melt fl...
5 comments posted 14yrs
posted by diverse
5 comments posted 14yrs posted by diverse

1960's "Lampette E-6" Telescoping Desk Lamp

Hi All, Does anyone here have any experience repairing 1960's vintage "Lampette E-6= " desk lamps (like the one picture...
13 comments posted 14yrs
posted by dgspotman
13 comments posted 14yrs posted by dgspotman

NEC C4328 LIYS and D1474

The DeskJet power boards I mentioned on July 2 each has a three pin compone= nt which appears to be a transistor. One i...
3 comments posted 14yrs
posted by peasthope
3 comments posted 14yrs posted by peasthope

New problems with Samsung SV4000 multi-system VHS

I posted a while ago about an SV4000 which had suddenly stopped working whe= n the power supply died I was told to flip...
8 comments posted 14yrs
posted by licensedtoquill
8 comments posted 14yrs posted by licensedtoquill

Fender Bassman 250 , PR597, 2005

Bad input socket, is there a generic problem with these? Of course I thought it was a PbF problem but it escaped that ,...
20 comments posted 14yrs
posted by diverse
20 comments posted 14yrs posted by diverse

Gas Cooker Power Output

Hmmm, slightly off topic but here we go. I have just had delivered, and installed, a new Gas Cooker. I am in the UK. It...
30 comments posted 14yrs
posted by sound.service
30 comments posted 14yrs posted by sound.service

Sanyo TV

Hi! I have a Sanyo HD TV Mdl DP32746 that has good sound no picture and no light on the screen, should I guess the back...
7 comments posted 14yrs
posted by vschmitt29
7 comments posted 14yrs posted by vschmitt29

Harman Kardon FM100 - early version?

I'm working on a Harman Kardon FM100 "Counterpoint II" that shows signifigant variations, internally, from the document...
11 comments posted 14yrs
posted by legg
11 comments posted 14yrs posted by legg

Polaroid 600 schematic

Snagged the flash unit off of one of these I found in a dumpster. Anyone have a schematic handy? -- Lee K. Gleason N5ZMR...
8 comments posted 14yrs
posted by lee.gleason
8 comments posted 14yrs posted by lee.gleason

Using headset as cell phone radio antenna.

On Ebay, I bought a cell phone with FM radio, that gets the radio from local stations, not from cell phone data, and af...
10 comments posted 14yrs
posted by NONONOmisc07
10 comments posted 14yrs posted by NONONOmisc07

Cassette head reversal problem

Well heads rotate perfectly well on both decks , Aiwa AD WX 888 but going in batches , for each deck, either tape will...
4 comments posted 14yrs
posted by diverse
4 comments posted 14yrs posted by diverse

PC PSU shutdown condition with bad mobo caps

When a mobo has bad caps the PSU shuts down, but what triggers it? What does the PSU see from its point of view? Peak cu...
18 comments posted 14yrs
posted by td_03
18 comments posted 14yrs posted by td_03

Sony KDL40SL140 TV no 3.3V standby power?

Fuse at power supply input is OK. AC is present at first stages of ps circuit but can't find any DC. I have the schemat...
4 comments posted 14yrs
posted by toronado
4 comments posted 14yrs posted by toronado

Wattmeter failure

Left a 400 W dehumidifier running off a wattmeter. After a week or two, the dehumidifier didn't work any more. The fan...
6 comments posted 14yrs
posted by cheney
6 comments posted 14yrs posted by cheney