[TechAssist] Re: Toshiba CF3072B Chassis 9231 Color Problems
- From: walter wood <wwood_38478@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 27 Mar 2003 13:57:01 -0800 (PST)
Sorry, I've searched WinsTips and Intrepid, and
Toshiba's web site and I have found nothing else.
Wish I knew the answer.
Walter
--- Neil Bowman <tvdoctors@xxxxxxxxxxxxx> wrote:
>
> I went and replaced C058 and C504 in the IF
> module and no change. Walter Wood suggested a
> .01mfd off pin 12 of IC501 but this set doesn't
> have a cap off of pin 12. The drives to the kine
> board come from what appears to be a PIP module.
> I wonder if my problem could be from that. The
> picture kind of looks like those Zenith projo's
> with an open bias resistor on their kine boards
> or an old RCA unit with a bad x or z demodulator,
> if you can remember back that long. I remember
> the old RCA tube chassis having a bad wire that
> always corroded and had to be replaced. Neil
>
> Heat and chill IF module.
> WinStips has a tip with C058 and C054 bad on IF
> module
>
> Peggs
>
> At 04:53 AM 3/27/03, Neil Bowman wrote:
>
> This is a second request for this problem. Red,
> Green and Blue screens all
> look good (no purity problems) Grey scale looks
> good. Color only shows
> green and purple. Color control works min. to
> max. color. Tint has a
> slight variation when adjusted. I remember
> working on older sets with
> this problem for color not osc. I already
> replaced the crystal X501 and
> jungle IC IC501 but nothing changed. Anyone have
> a simular condition as
> this for this make and model? Thanks, Neil
> TV Doctors
> Monroe,Wa.
> tvdoctors@xxxxxxxxxxxxx
>
>
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=====
Walter Wood
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