Electronics Forum / Repair / July 2004

Anyone have any clue where to get some schematics for "off the wall" TV
brands? My niece bought a TV brand new a while back. She had it little over
a year.. Yep, just past warranty, IT DIED. I am told the company went out of
business already, which produced it for "K-mart". It is ...

I have a 35" Panasonic TV model CT-27G22V. After about ten to fifteen
minutes of viewing the TV loses its video but retains its audio.
Occasionally, and at random times, the video returns. What's left on
the black screen is a thin, bright line right in the middle of the

Hi all;
PC is a socket 7, don't laugh or bitch, it runs good. Got the K6-2 in it,128
ram and it sees my whole 80 GB Maxtor without an overlay. Burns fine too, no
coasters even back when it had spyware on it.

Hello Group!
Have two similar CTC169 chassis in the shop.  Both showing similar
failure.  One, when turned on will play perfect for up to 1/2 hour then
go into shut down and will keep trying to turn back on.  If you catch it

I have a 400w amplifier with a faulty mains transformer.  ...or at
least I'm pretty sure it's faulty !
It's a split primary (115/230v) toroid with the secondaries at 21v,
44v and 51v.  There is some scorching near the entry point of one of

 The left channel disappear from time to time on my Yamaha RX-V1 receiver.
The technician from Yam. Serv. Center looked at it and said I need to change
PSB Board. The repair cost will be $220 US.
  Is it looks like true? Is it any way to get it cheaper? I am in NYC suburb.

I purchased this oven a year ago. Since the beginning the oven cooked
ok, but every now and then it fails to run at all.  The diplay shows a
blinking 555555 with some beeps and the keyboard fails.  Unpluging it
and waiting, restores the functionality.  Once restored it works fine

Hi.. I'm hoping someone can provide some general info about this
professional video tape unit.
It uses a smaller tape cassette than the Sony studio models.. what's the
cassette-type called?

I have a 15 year Mitsubishi Television that works great. The only problem
is that I haven't had a remote for 4 years and I'm getting tired of not
having one. The original one won't work. I've change the batteries,
cleaned it out but still won't work. I went to a repair shop and they

I have a burnt out toroidal transformer that I have stripped down.  I
didn't count the turns when dismantling - I just cut throught them !
Is it possible to work out the turns required from the manufacturers
data sheet copied below ?

Pinch rollers in vcrs are often blamed for the tape riding up or down
the capstan shaft.
Can some-one explain the mechanics behind this?
Thanks Mo.

I recently purchased a new work boat with a manual start 30hp 4-stroke
outboard motor. I need to install running lights, and would like to
avoid using a battery.
The outboard has two unused wires leading from a stator coil under the

Got a panasonic AG-1970 vcr thats had the gears knocked out of sync. Does
anyone have the proper sync alignment specs?

Does anyone have a copy of or know a source for a schematic or manual for an
Onkyo T4500 Tuner?
Thanks.
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One chanel disappear in my Yamaha RX-V1 receiver. The technician from
Yam. Serv. Center  said it need new PCB Board. It will cost $220 to
change it there (New-York)...
Is it looks like true? Is it possible to find it cheaper? What's the