Electronics Repair

IBM DHAA-2540 laptop hard drive common failure modes

My old laptop hard drive failed, and I was hoping that this would be a good place to ask what I should look for on the...

23 comments posted 12yrs

posted by kpgpbhdw

23 comments posted 12yrs posted by kpgpbhdw

Wanted: Panasonic RF-085 Service Manual

I am looking for the service manual for Panasonic RF-085 AM, FM, SW Receiver. Any help would be greatly appreciated

0 comments posted 12yrs

posted by radiotek.e1b7628

0 comments posted 12yrs posted by radiotek.e1b7628

tevion 4202 L C D

Hi all wonder if anyone can help I have replaced the p s u unit on my tv the problem was red light flashing about four...

2 comments posted 12yrs

posted by tidyjob

2 comments posted 12yrs posted by tidyjob

SMPS repair tip

** Hi, recently I wasted much time trying to get a small, off-line SMPS to work properly. The supply was part of a 1000...

29 comments posted 12yrs

posted by phil_a

29 comments posted 12yrs posted by phil_a

I need help with fixing a Tektronix 2245A oscilloscope (long)

Hello all, I bought this oscilloscope last weekend, it's the first one I've owned. I have a basic understanding of elec...

28 comments posted 12yrs

posted by bikerider_remove_this_part

28 comments posted 12yrs posted by bikerider_remove_this_part

Electronics Repair and Design Group

New Electronics group for people interested in the repair and design of Electronics. The link: https://www.facebook.com/...

2 comments posted 12yrs

posted by skaggs.larry

2 comments posted 12yrs posted by skaggs.larry

Back to the the EXPLAIN PUMP SWITCH operation

I had a previous thread, but ignore it as I have the details correct this time. To start the motor did spin when powere...

4 comments posted 12yrs

posted by nojunk

4 comments posted 12yrs posted by nojunk

Is this PSU faulty?

I noticed a tingling from contact with a USB lead of an external Hard Drive. Investigating this led to the PSU, the plu...

11 comments posted 12yrs

posted by aeio

11 comments posted 12yrs posted by aeio

Electronic Repair and Design group on Facebook

Here is a link to a new Electronics Repair and Design group that I have started, need new members and fresh ideas. https...

21 comments posted 12yrs

posted by skaggs.larry

21 comments posted 12yrs posted by skaggs.larry

Religion of peace

I wish I was kidding you! http://philadelphia.cbslocal.com/2014/07/21/cops-leaders-of-philly-mosque-tried-to-cut-off-man...

15 comments posted 12yrs

posted by nojunk

15 comments posted 12yrs posted by nojunk

P6563A Tek probe repair?

Does anyone have schematics or suggestions for repairing a Tek P6563A scope probe? The problem is the signal line has on...

21 comments posted 12yrs

posted by steriana

21 comments posted 12yrs posted by steriana

Hot Transformer

I have a couple of 20 Amp linear DC power supplies with hot transformers. With no load, one gets up to 115 Degrees F af...

12 comments posted 12yrs

posted by fmmck

12 comments posted 12yrs posted by fmmck

Testing gel cells

Any thoughts about the best way to test a lead-acid gel cell? I am plottin g the construction of a device that will dis...

28 comments posted 12yrs

posted by mc

28 comments posted 12yrs posted by mc

Using a UPS with non-computer equipment

Can anyone suggest suitable modifications for using an old APC UPS (Back-UP S 500, BK500MC) with non-computer equipment...

6 comments posted 12yrs

posted by mc

6 comments posted 12yrs posted by mc

partial temporary non-working of remote control

Has anyone here ever noticed that some functions on a tv, dvdr, or vcr can be performed when the remote control batteri...

3 comments posted 12yrs

posted by NONONOmisc07

3 comments posted 12yrs posted by NONONOmisc07