Electronics Repair

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Help to identify SMD diode

Hi, I am repairing the power supply of my video projector and I need to understand what type of diode is mounted here,...
6 comments posted 14yrs
posted by leditapaolo.75
6 comments posted 14yrs posted by leditapaolo.75

Studiomaster Powerhouse Vision 12, 1996

Anyone know of pics of the interior? A previous "repairer" removed all fuses , ratings on overlay , so ok. But did not...
10 comments posted 14yrs
posted by diverse
10 comments posted 14yrs posted by diverse

Proform treadmill fixed.

Just a follow up, it turned out the leads on my DMM led me down a false path for a little while, the next time I took r...
2 comments posted 14yrs
posted by mlightner
2 comments posted 14yrs posted by mlightner

Proform treadmill electronics

Hi, I have a Proform 770 EKG treadmill that at the moment with a problem on the motor control board. The control board...
2 comments posted 14yrs
posted by mlightner
2 comments posted 14yrs posted by mlightner

LED spec for phone line?

I want to put an LED to test my phone line, which I found to be ca 50v. Where/how do I find the right LED? THe LEDs at...
23 comments posted 14yrs
posted by vjp2.at
23 comments posted 14yrs posted by vjp2.at

25V/70V Transformer identification

I have a large number of small line to voice transformers that came out of a very large municipal facility These are al...
2 comments posted 14yrs
posted by captainvideo462009
2 comments posted 14yrs posted by captainvideo462009

Plastic model cleaning

I know that this doesn't relate to electronics but there are so many talented people on his group that I've received he...
14 comments posted 14yrs
posted by captainvideo462009
14 comments posted 14yrs posted by captainvideo462009

Sony DVD recorder, hard disk full.

Hi there I have had my Sony DVD recorder for over a year and the hard disk which is = about 3 Gb. I suppose, is full no...
12 comments posted 14yrs
posted by georgewbell
12 comments posted 14yrs posted by georgewbell

Dishwasher

Asko D1796 Pump will not switch off. This problem is not listed in trouble shooting guide.
2 comments posted 14yrs
posted by pilk2Removethis
2 comments posted 14yrs posted by pilk2Removethis

70volt transformer

I picked up a 100 watt matching transformer at a radio show for 2.00 today. The primary is 4 ohms and the secondary is...
4 comments posted 14yrs
posted by captainvideo462009
4 comments posted 14yrs posted by captainvideo462009

Purging index.dat files on Win 2000

If I boot to DOS (Win 2000) and delete all the index.dat files, would = that cause any problems? If better to get a uti...
3 comments posted 14yrs
posted by BobNatastalia45
3 comments posted 14yrs posted by BobNatastalia45

Mark Bass Combo Head, CMD 121H, of 2005

After half an hour of use a loud consistent pitch , low frequency buzz Proper solder, from what I've tested . Mark Bass...
15 comments posted 14yrs
posted by diverse
15 comments posted 14yrs posted by diverse

Help fixing moving led sign

Hello, I have an old (80s I guess) moving led display. It has 3 boards full of leds and is programmed via a keyboard th...
10 comments posted 14yrs
posted by takaforo
10 comments posted 14yrs posted by takaforo

Peavey PV 900 slave amp , 2002

A job for tomorrow but just in case anyone has been here before and knows the reason. Loss of one channel. Problem some...
3 comments posted 14yrs
posted by diverse
3 comments posted 14yrs posted by diverse