Electronics Repair

looking for a simple pendulum driver circuit

I just installed a quartz battery movement into a wall clock that once had a mechanical movement. I lost the pendulum c...

3 comments posted 14yrs

posted by bm

3 comments posted 14yrs posted by bm

Yamaha XM6150

While waiting for some more TA7317P devices for my previous replair I was handed a Yamaha XM6150 six channel power ampl...

3 comments posted 14yrs

posted by invalid

3 comments posted 14yrs posted by invalid

Marshall JCM 2000, DSL of 2003

Hum particularly on clean channel builds up from nothing ,over half an hour, and very intrusive 0.3V rms of hum over 8R...

34 comments posted 14yrs

posted by diverse

34 comments posted 14yrs posted by diverse

HP Laserjet bumper sticker remover

I bought an HP LaserJet 2300dtn on eBay for much less than usual price. I soon discovered why it was so cheap. A past o...

56 comments posted 14yrs

posted by jeffl

56 comments posted 14yrs posted by jeffl

Old LCD worth repairing?

My 32" Polaroid LCD tv just got the black screen. Sound is good and channel changing works...just the video...It is pre...

7 comments posted 14yrs

posted by footboarder

7 comments posted 14yrs posted by footboarder

UK Customs and test equipment

Just ordered new on Ebay a cheap DSOscilloscope ~£300, source is China via Hong Kong - delivery expected approx 14 days...

5 comments posted 14yrs

posted by charlie

5 comments posted 14yrs posted by charlie

Transistor ID HELP!

Hi guys can anyone ID this transistor? It appears to be SK TF640m if so what is it exactly and are there substitutes th...

4 comments posted 14yrs

posted by streetandtrack

4 comments posted 14yrs posted by streetandtrack

poor man's pot track cleaner ?

MM Electronics MP175 16 channel mixer , probably the bee's knees in its time 1978. Minor electronic problem , as only 7...

14 comments posted 14yrs

posted by diverse

14 comments posted 14yrs posted by diverse

Sony flat screen four blink code question

This is my son's set. It was given to him about six months ago by someone who didn't know what the four links most like...

3 comments posted 14yrs

posted by captainvideo462009

3 comments posted 14yrs posted by captainvideo462009

OT Grumpy old man. Moan mutter grumble ...

Question for our leftpondian cousins. Do you have trouble with DIY fitted headlamp bulbs over there ? Back in the day,...

22 comments posted 14yrs

posted by arfa.daily

22 comments posted 14yrs posted by arfa.daily

Raspberry Pi test equipment ideas?

When he gets one , on order, a friend will make an audio analyser. If I had the time I'd try making a nearer universal...

3 comments posted 14yrs

posted by diverse

3 comments posted 14yrs posted by diverse

Correct URL for LG Optimus PCB problem

the photo of the pcb is located at http://www.flickr.com/photos/rudeco, see previous posts regarding problem.

1 comments posted 14yrs

posted by rudeco.dm

1 comments posted 14yrs posted by rudeco.dm

To go along with previous post about LG Optimus Damaged PCB

Heres the photo link of the damaged PCB in question. Notice the upper right side behind charger port. Ive already remov...

6 comments posted 14yrs

posted by rudeco.dm

6 comments posted 14yrs posted by rudeco.dm

Anyone with expierience in cell phone PCBs please contact me asap.

I have an LG Optimus Slider android phone that has a burned out diode just inside the board behind the charger port. I...

1 comments posted 14yrs

posted by rudeco.dm

1 comments posted 14yrs posted by rudeco.dm

White "fungus" around a ni-cad

What exactly is it and what , if any, damage does it do to anything adjascent/ same box. Thurlby DSA524, digital scope...

14 comments posted 14yrs

posted by diverse

14 comments posted 14yrs posted by diverse