Electronics Forum / Repair / April 2006

I am certain that this is the problem with my failed monitor. The
screen remains black while the LED is green and flashing.
Does anybody know where I can get one of these boards, short of sending
tall-dollars to Sony?

I have a Sony KP43T75 that appears to have a convergence problem. O
another forum I was told I need to replace the convergence STK's.
thought I knew which parts I needed, but now I am not so sure.
thought I needed: http://tinyurl.com/ehrd5

My FinePix A203 camera no longer "remembers" settings after replacing
batteries. I found there is small internal cell battery inside for
backup which no longer serve its purpose (0.8 volts only).
Unfortunately it needs to be ironed out to replace it.

I have a zener diode from a Johnson power supply
Zener number is 2503-919652
I suspect this is an in-house number. Any chance of finding out what value
it is?

if any question, please send mail us!!!!!!
Sell high quality HDI PCB (CHINA)
we send pcb by DHL or UPS ( Send to USA About 1 days from china)
Product Name: Printed Circuit BoardPlace of Origin: ChinaFeatures:

I am working on a Hitachi rear projection TV - Model 60SC2K that has
developed an unusual problem.  When the set is powered up after being
off for a while, the red light on the front will light and the relay
will energize (click on), but there is no sound or picture.   If the

It makes images on toast, just wondering what they do to make it work -
is this complicated?
http://www.bionicbuddha.com/rewired_ep4_popart.htm
It is about 1/2 through the video...

I have an old Cinematronics arcade game that I had to take the monitor
out of and in doing so had to remove the connector that goes to the
neck of the monitor.  When I went to replace it, I found that it can go
on any direction.  There are 7 pins in a circular pattern (evenly

Recently, the volume on the beeper of my LG washing machine - Model
WM2277H decreased considerably.  The settings still go from "off" to
"high" in 4 steps, but now the "high" setting volume is as loud as
the lowest setting of the matching dryer. The sound comes from the main

I have a faulty Johnson Power Supply unit model number
239-026-201/211/221
I wonder if anyone can help with a schematic.
thanks

On a mail list, I asked why the ground on a Chrysler car radio was so
big.  They use a woven, uninsulated, strap, that is more than a
quarter inch wide and 2 or 3 mm. thick, with heavy ring connectors at
each end, going from a post on the back of the radio's case to part of

I am trying to get a phone interconnect to work with my HTX-202
handheld radio.  The interconnect has a PTT and Audio Out, but my
radio, like may handhelds, does not have a PTT, only Audio.  I fused
the PTT and Audio and that works, but there is a lot of buzzing.

Does someone have the schematic of the Craftsman Garage Door Opener
model 139.5399011 (3/4 HP)?
I am interested in the way the force is controlled.
Thanks in advance.

Upon power-up, the cylinder does not spin on my Panasonic AG-MD830E
S-VHS VCR. Although it loads (actually half-loads) the cassette
properly, any transport command fails following the full-load because
the cylinder is not spinning. The display reads error E-4, which means

Sony Trinitron Color TV KV-27S25  Problem:
ready light blinks then TV picture comes on then it blinks
please advise