Electronics Repair

Bathroom scale

Not a repair question but I hope trying to figure out why is not too far OT. I recently bought a bathroom scale of rece...

9 comments posted 11yrs

posted by NONONOmisc07

9 comments posted 11yrs posted by NONONOmisc07

Help with floundering son

Hi all, The Sig Gen for guitar amps started me thinking. My son is floundering, after two years at a university he has...

31 comments posted 11yrs

posted by nojunk

31 comments posted 11yrs posted by nojunk

minidisc player

hi everyone i recently revived my fathers old sony mz-r37 minidisc player/recorder i had to fix the terminals in the ba...

1 comments posted 11yrs

posted by legojunkiemt

1 comments posted 11yrs posted by legojunkiemt

Dell Optiplex 760 power supply replacement

Hello all! I recently replaced the power supply in a Dell Optiplex 760 mini-tower PC. I found out that not any random A...

0 comments posted 11yrs

posted by mroberds

0 comments posted 11yrs posted by mroberds

Audio gen for guitar amps ?

**Hi, what specs does an audio generator need to make it ideal for servicing guit ar amps? I suspect most would say pra...

15 comments posted 11yrs

posted by pallison49

15 comments posted 11yrs posted by pallison49

GE 387NX198 SCR Datasheet

Google comes up empty. This is a hockey puck SCR. Based on its performance, it is also unusually fast for a garden vari...

4 comments posted 11yrs

posted by sam

4 comments posted 11yrs posted by sam

2N5401 FAKES!

Hello all, Just a warning that I was about to use a "2N5401" that is marked as follows: 2N 5401 CH13 and on the back, m...

10 comments posted 11yrs

posted by tim

10 comments posted 11yrs posted by tim

LCD type video projector

3200 hours on lamp counter so not surprising little/no red in the image. With an RGB test image, going in saturation of...

2 comments posted 11yrs

posted by diverse

2 comments posted 11yrs posted by diverse

which method should I use for C7 DIY LED window candles?

I recently took advantage of post-Christmas sales and purchased several strings of warm white C7 size LED lights of 25...

13 comments posted 11yrs

posted by saseag44419

13 comments posted 11yrs posted by saseag44419

are there any cool window candle incandescent bulbs?

A couple of years back, I made some window candles for the house and one candle for each window. Each candle light is a...

3 comments posted 11yrs

posted by saseag44419

3 comments posted 11yrs posted by saseag44419

An early Christmas present...

A bit OT, as this is not one of the usual sophisticated repairs posted here. SWMBO was not happy as the hand-held recha...

6 comments posted 11yrs

posted by JMLayman

6 comments posted 11yrs posted by JMLayman

Help Finding GPX C971 Schematic?

Received a nonworking GPX C971 Cassette/CD Boombox for repair learning experience. Used DVM to check Ohms on AC and DC...

4 comments posted 11yrs

posted by kenitholson

4 comments posted 11yrs posted by kenitholson

tektronix 465 repair

I have a crusty old TEK 465 I saved from going into the garbage a few years back. Finally got time to pull it off the s...

9 comments posted 11yrs

posted by lee.gleason

9 comments posted 11yrs posted by lee.gleason

(seemingly) OT: KLH 4" full-range driver

When I was a lad, I read "Popular Electronics" and "Electronics World". I distinctly remember an article about "full-ra...

3 comments posted 11yrs

posted by grizzledgeezer

3 comments posted 11yrs posted by grizzledgeezer

Speaker relay protection

Have a LEM powered sub for repair. Speaker toast. Amp blown/DC. (2 amps bridged for sub, one probably OK) Relay shorted...

3 comments posted 11yrs

posted by gareth.magennis

3 comments posted 11yrs posted by gareth.magennis