Electronics Forum / Repair / September 2006

The color is ok but sometimes when it is turned on the video does not always
come up for awhile and sometimes the video comes on and the sound does not.
This is all intermittent.

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A quarter of a century of AIDS cases

The power supply is only available as a complete board and no schematic nor
parts list is included in the manual.  It looks like the regulator is a
STR-G66?? but I can't tell the last two digits.  I'd like to fix the PS to
see if anything else is wrong rather than buyng a whole ...

The cassette deck of my Delco model 16129923 AM/FM/Cassette deck play
way too fast.  Interestingly, last fall it played too slow, this yea
it plays too fast.  Also, the auto-reverse mechanism was not workin
properly (tape did not change direction when I pushed the button t

The monitor would not come on and I could see and smell smoke coming from
the rear.  It must be a relay, resistor or something on the high voltage???

Ok so heres the deal
Early 90's Proscan TV.
About a week ago my TV started to display a solid white background with
no retrace lines. The sound works fine along with all menus and tv

    I have a Zenith SR2568 TV that has a device near where the power cord
connects to the PWB.  It is thin (1/4"), and is something like 1 1/2h x
2 inches wide.  It appears to contain brass inside the plastic cover
with gaps of about 1/8 inch, each terminal connecting to line, ...

I have  a Sony KV20s42 tv that has sticky buttons.
When i press + volume, the channel will go up(channel +). Both buttons
are next to each other.
I am pretty sure it is the buttons and i would like to take the board

What is the function of the primary-secondary coupling capacitor (eg
http://tinyurl.com/ha435) in a SMPS? I ask this because I suspect it
may be the cause of a video "hum" issue.
I have a new DVD player that gets along just fine with my 34cm TV but

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I think my television overheated because it was stuffed in a tight area
with no air circulation.... basically the power button has no effect on
it whatsoever.  It wont turn on. the TV is a 2000 sony  36" trinitron
kv-36fv16.  Is there any quick checks i can make for fuses or such?

Hi, not sure if you can help me. I have a phillips widescreen tv, the
model number is 32PW9618/05. I sent it to a repair shop last year. They
said it couldn't be fixed and arranged to deliver it back to me. This
was over a year ago. When I recently called them to say I wanted my TV

Hopefully somebody will be able to point me in the right direction.
It seems that after replacing the failed (shorting) HV Splitter/Focus
combo block something is still amiss in the set I'm repairing.
Are there any components (LXI PTV415) likely to have been damaged by

Hi;
No video. Menu and OSD fine. During menu time the PIP window is
distorted but shows something, out of sync with three vertical green
bars. Well at first of course I was thinking the PIP module, but I ran