[TechAssist] Re: GE-CTC187CN Dark with retrace
- From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sun, 15 Dec 2002 04:04:14 +0000
An odd trick that sometimes works on some of these is to place the set in
service mode then press the menu button, the set will go to a line then
press another button and it can reset, I've never heard the logic behind
that one, came across it by acident only know it will work in some
circumstances.
Peter Oliver
Tucson Radio TV
From: "James M. Knoble" <jmk1938@xxxxxxxxxx>
Reply-To: techassist@xxxxxxxxxxxxx
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: GE-CTC187CN Dark with retrace
Date: Sat, 14 Dec 2002 20:04:02 -0500
look for a shorted video amp
At 04:19 PM 11/25/02 -0600, you wrote:
>I have a 31" GE CTC187CN chassis. I turn it on and the audio is ok, when I
>turn up the screen voltage up(because its dark) retrace lines appear with
>no lumiance and very little color. All major voltages are on the crt are
>there but naturally the cathode voltages are high. Q5003 on crt Composite
>video (from generator) not good (base 2.14V emitter 2.10V)looks like
>stairs with no color attached. 200+ volt on the collector with no
>waveform. The tv was worked on before by someone else, the eeprom is on a
>mount and the tuner has been reconditioned. Could I still be looking at an
>eeprom problem or could the crt be bad?
>
>Larry J. Kibodeaux
>South Adams TV & VCR Repair
>216 1/2 South Adams Avenue
>Rayne, LA 70578
>southadamstv@xxxxxxxxxxxxxxxx
>
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James M. Knoble
2303 Pleasant Valley Road
Fairmont, WV 26554
jmk1938@xxxxxxxxxx
Phone 304-366-1938
Fax 304-367-8965
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