Electronics Forum / Repair / November 2004

I am working on a 27in. toshiba color tv model CF27G50. Original trouble
symptom is that
when I push the power button on, the relay clicks supplying power and I
could hear the high

I need some hints about pulse oxymeter finger probes: how they work,
what kind of components are used, how can i test functionality without
the oxymeter and so on.
TIA :-)

My HS-U650 once ejected the cassette with the door closed. This would
continue after I released it so I took the door off until I could find out
what gears got out of time.  Worked fine for months and then began not
accepting a tape unless tried a number of times.

Ok both of these are my parents and they had a brown out.  Both then
refused to work and when taken apart the fuses were blown.  After the
second replacement fuse blew I knew something else was wrong.  I could
really use the schematics if anyone has them.  I can't seem to find

Where can I get VHS recorder belts (for a specific model)?
Thanks for any help.
     Jack

All,
I have a 25" tv model number 25TS56 C121.  I actually have two of these, one
I got secondhand that I don't have a remote control for.  Here's the
problem:  On the secondhand unit, I cannot get the TV to go to "Aux" input

I have a Hitachi vhs video recorder and while fast forwarding a tape
using the remote the player just stopped. I cannot get the power light
on or any response to anything I have tried to get it working again.
I have checked all the connections in and out, the fuse in the plug,

I have this LXI TV that comes up with a line in the center of the picture
tub. I'm not good fixing TV's but no one wants to work on it. I know that
the vertical output is bad, but i have not been able to find the blue
prints to determine what chip controls the vertical..   Can ...

Working on a Samsung Compac Theater Model SPT-521J 52" Projection TV.
After warming up for about 5 minutes, the picture would begin to
pulsate from regular overall bright to less bright every few seconds.
It appeared as if it would change picture mode from standard to mild.

Anybody got a service manual for a samsung DLP tv? model# HLN437W. Please
let me know. TIA

Hi;
I'll take suggextions, but if this problem isn't resolved I'll start shouting
from the treetops not to buy their crap.I'm sick of these friggin companies,
they require registration before they'll send you drivers. Whatever idiot put

I've got this 20 year old Sylvania Superset TV (model # RNE980) and
I'm trying to track down some replacement video output transistors for
it.
They are in a TO-202 package, made by Motorola, and have the following

Matshita CW-7503 8x SCSI CD burner.
When a blank disc is inserted, the busy LED comes on and the drive makes
odd rattling sounds while it thinks about the disc. It has done this
since new, but originally the busy LED and rattling lasted 10-15

This is a great printer when it starts but it wont start up without a lot of
hassle. basically switching on produces a brief flash from the LEDs and the
internal fan under the top grille can be seen to spin momentarily but then
the machine goes dead. If I replace the PSU with a ...

I found this great little site. I signed up two weeks ago and got 2 Disney tickets and this week they are sending me 2 Universal Studios tickets. Here's the link http://66.219.102.40/ and by the way I am a real person, this is my real email address. I'm not a spammer and didn't ...