Electronics Forum / Repair / June 2007

My mate, an ex TV fixer, like myself, was given a Compaq 2500 notebook to
repair.
'It's only the USB socket a bit loose'
After dismantling (long time) the socket was soon resoldered.

Hello, I have a Dentron Clipperton Qro linear, it's setup for 220 volts, but
I need to rewire it for 110 volts, is there anyone out there that can tell
me how to do this,,Thank you

Does anyone have a guess as to what kind of power a fan like this draws, on
low speed?

Can I replace AM29DL323DT or GT by a AM29LV320DB ?
Tks

Hi...
We've got a Panasonic dvd player (the S27).  It's been through about 4
years of good use, but the last couple of days it's been acting very
strangely.  You put in a disk, and as it puts up the progress bar of

     I have in my possession possibly one of the worst televisions (in
terms of reliability) ever made. It has died once again, but this time
it is generating a different code.
     The TV will turn on, but as it is coming on the protection circuit

What are some good techniques for preventing pad lifts, particularly
on cheaply made modern electronics?  Is it better to have high
temperature with quick soldering or lower temperature and working a
bit slower?  A suggested basic temperature setpoint for these types of

I have never gotten much use from this Sony f340.  So in excellent
condition.  The fault that has developed, I guess, maybe from not using it
enough.  Here is a tv screen picture of the fault, (heavy smearing to the
right) which also makes the on screen display jump around.

Set came in with "just clicks" complaint. Customer says that it had
been cutting off after about 15 minutes for a while until it went out
for good. The hor. output a 2SC5426 is shorted . I planned to go over
the soldering however I was advised by another tech. that I should

Obviously, any advice you do give is at my own risk, and you will not
be held responsible for any accidents that could occur.
To give you an idea what level of understanding I have, I'll give you
some background.

So, Toshiba MD9DP1 9" tv/dvd. I know, I know, but let's move on...
All TV functions OK, only a few hours on the set total time.
On cold start, the DVD will read the disc properly, and can select any
title or chapter and start playing normally. After 15-20 min of normal

My DENON AVR-2105 home cinema receiver failed for the second time so I would
like to try to repair it myself, as now it's going to cost me more than a
brand new.
Where can I get the service manual with the drawings for this rig?

We bought this unit new a month ago and on top of the poor layout of the
baskets, this morning, the unit's drain pump was running continously and
according to my wife, an error code of "E1 (water leak) or IE (water
inlet trouble)" (big difference) was being displayed. Even after ...

Yesterday I went to the tool store for a replacement battery pack for my
KC14C Black & Decker cordless drill, as the previously repaired shorted
cells had burned out the charger - for which I'd since found a replacement
transformer, I also asked for a price on this item, and the ...