[TechAssist] Re: RCA CTC177AG Vertical foldover
- From: woodman1@xxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 16 Aug 2003 19:16:26 -0400 (EDT)
Peter,
Before you change the T chip, remove the diode thats between two pins on
the vert output, take one from a junk chassis and try that.. Had a CTC??? same
problem good drive from T chip to vert output and it was the diode. Checked
good in circuit, out of the circuit measured 550ohms and reverse it measured
like 2 meg.. Worth a try before the T chip..
I did post it but i'm at mome and don't remember #..
Bob
Bob's TV Worcester, ma
-------Original Message-------
From: Peter oliver <oliver_peter1@xxxxxxxxxxx>
Sent: 08/16/03 05:42 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: RCA CTC177AG Vertical foldover
>
> Thanks al, I'm going to have to order one to try that, checked my stock and
its depleted
Peter Oliver
Tucson Radio TV
From: "al m" <ampm@xxxxxxx>
Reply-To: techassist@xxxxxxxxxxxxx
To: <techassist@xxxxxxxxxxxxx>
Subject: [TechAssist] Re: RCA CTC177AG Vertical foldover
Date: Fri, 15 Aug 2003 23:07:52 -0400
It's a LA7610 or a LA7612.
al marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, August 15, 2003 11:05 PM
Subject: [TechAssist] Re: RCA CTC177AG Vertical foldover
> I think it's IC1001. It's the big chip everything comes out of. You're
right
> I can't think either.
> al marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
> ----- Original Message -----
> From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, August 15, 2003 10:51 PM
> Subject: [TechAssist] Re: RCA CTC177AG Vertical foldover
>
>
> > Tunners has been resoddred and RF jack replaced. Which one is the T
chip
> not
> > a real familiar designation but maybe just getting too late to think
well,
> > at home now anyway. Need to look into tommorow.
> >
> > Peter Oliver
> > Tucson Radio TV
> >
> >
> > From: "al m" <ampm@xxxxxxx>
> > Reply-To: techassist@xxxxxxxxxxxxx
> > To: <techassist@xxxxxxxxxxxxx>
> > Subject: [TechAssist] Re: RCA CTC177AG Vertical foldover
> > Date: Fri, 15 Aug 2003 22:25:16 -0400
> >
> > Peter did you try changing the T chip? I had one where the video
would
> roll
> > and changing the T chip cured it.
> > al marquardt
> > ampm@xxxxxxx
> > Al Marquardt Electronic Repair
> > 206 W Main
> > Girardville Pa. 17935
> > ----- Original Message -----
> > From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, August 15, 2003 9:44 PM
> > Subject: [TechAssist] RCA CTC177AG Vertical foldover
> >
> >
> > > RCA CTC177AG
> > >
> > > Set was given to me after customer had it at another shop.
Set
had
> > > Vertical Line. Changed Vertical ic, Resistor network, checked cap
and
> > > resistors.... Finally changed eeprom . Now has vertical but is
folded
> > over
> > > on top. Also the Channel #'s and Video menu roll. Have attempted
> Vertical
> > > adjustments (DC) in Service menu but not effective. Any Ideas
(26"
> set)
> > >
> > >
> > > Peter Oliver
> > > Tucson Radio TV
> > >
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