Electronics Forum / Repair / September 2006

I have a Sony PTV which has suffered a board failure. The board is a
display driver and is directly below the input board. It has one big
silver heatsink in the middle and appears to have had a breakdown
between internal layers of the 4 layer board (big bubble!). If anyone

After unwrapping a few layers of paper,plastic & wax/lacquer, I found a
little square black device about .200 x .250 x .050 thick. I don't have
a strong enough magnifying glass to read it, but in is in series with
one of the input lines, and it is open. I'm guessing some type of

How do I mount an old germanium trransistor - a 2N442 - is there special
mounting hardware/sockets etc?
Peter

Would anyone know where I could find a scan of this board or a
replacement for it ?? A power surge put it in shutdown and the owners
brother-in-law tore it apart in search of a reset button and yanked
about an inch off the corner of the board by the flyback. It looks like

Cool - Free electronics items - several options - worth a try - I
think -
goto LINK....
and enter info to get electronics items.

Recently i purchased a pc ,its moniter being LG.The screen starts up
with a orange hue and no matter what i try on the panels it refuses to
budge.please guide me whather it is the screen or the cpu itself that
isnt keeping good health.thanks in advance

For Sale: HP3586B Frequency selective level meter VLF receiver
This unit has the high stability oscillator and is excellent
condition. No dents, no scratches, and no dust inside whatsoever. I
believe it was rack mounted at an environmentally controlled site and

HP/AGILENT 432A PowerMeter (RF/Microwave), SENSOR INCLUDED, 10MHz - 40GHz or
up dep. on sesnor.  WORKING PERFECT
Warranty.
Should goto 40GHz according to Agilent website, but maybe HIGHER depending

My pc shut down last night for no reason, I booted it up with no problem,
but my monitor, a KDS 17SX lcd won't show a picture.  The power indicator
just blinks.  My backup monitor works fine.  The lcd monitor also does the
same thing on other computers.  It seems as if it's entered ...

I assembled a Pc with Pentium D 2.66, asrocks motherboard. Every thing
is connected in right way. Front pannel LEDs are working but when i
turn on system nothing display nor even POST screen. there is no
current in keyboard. Pls help me. I am thinking might be Processor not

When I start Microsoft Office Oulook I get an error box which reads
The add-in "c:\progra~1\mcafee.com\vso\vsolplg.dll" could not be
installed or loaded. This problem may be resolved by using Detect and
Repair on the Help menu.

The hot air doesn't work any more, the air flux is ok but cold. The heating
element , about 90 Ohm, seems ok, someone has a schematic or some
suggestion?
Thanks.

My local TV repair guy ("hi" Coach) came out to my house to take in my
Panasonic PT-47WX49E which had lost one audio channel and the picture.
He asked if we had a male cat and we said yes but he died last year.
Well, he showed us that Mikey had sprayed urine up and into the main

Model no:  C1405T-311 Colour TV
Can anyone suggest the cause of the following problem or email me a
schematic for this set please:
The volume was turned down to zero using the remote.  When the increase

I have a Technics RS-M215 tape deck from the 1980s, it works fine most
of the time, but then when in "Play" sometimes one of the output meters
goes off the scale and there is a loud buzzing noise in speaker, its
always the left channel.   Stopping and starting the tape a few times ,