[TechAssist] Re: Thomson ICC10 image entirely red color.
- From: "Stefaan Van Slycken" <vanslycken@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 14 Sep 2002 10:39:20 +0200
Checked all that, I had a good module, that gave good results so the CRT is
OK, i swapped all transistors in the color amplifier for the red on the bad
module with the ones on the good one... No solution...
SVS.
----- Original Message -----
From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, September 13, 2002 9:52 PM
Subject: [TechAssist] Re: Thomson ICC10 image entirely red color.
>
> Check the transistors/IC's on the crt board for shorts, Check the screen
and
> grid resistors for open's and Test the CRT for an HK short, try an CRT
> isolation transformer if avalible. Pretty general but In the states I deal
> mostly with NTSC 3.58 sets and an occasional multi-system brought in by
USAF
> personel. But those should be pretty applicable to most sets.
>
> Peter Oliver
> Tucson Radio TV
>
>
> From: "Stefaan Van Slycken" <vanslycken@xxxxxxxxxx>
> Reply-To: techassist@xxxxxxxxxxxxx
> To: <techassist@xxxxxxxxxxxxx>
> Subject: [TechAssist] Thomson ICC10 image entirely red color.
> Date: Fri, 13 Sep 2002 17:24:48 +0200
>
> Hi List...
> I have a Thomson ICC10 TV. The image is sometimes ok at startup, after a
> couple of secs the picture turns entirely red. It comes from the video
> amplifier module (the one on the back of the CRT). The voltage on the
> common point of the push-pull amp TV29/TV28 is way too low, some 40V
instead
> of 140. I had a functioning module, i swapped TV33/32/29/28/21 and i
> replaced TV26. That doesn't cure it. Any ideas? (other voltages seem
ok,
> except for the base and collector of TV26, which are too low (2.6 instead
of
> 3.8V and i forgot the other one). I just swapped the modules and the tv
> went back to the customer, so i can't do any more measurements. I just
hope
> someone had this before.
>
> thanks!
> Stefaan Van Slycken
> Waasmunster, Belgium
>
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