[TechAssist] Re: RCA F27250BC, Chassis CTC177BH3, Won't autoprogram

  • From: "John @ Myers TV" <myers_tv@xxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 7 Apr 2004 07:31:39 -0400

Check your AGC voltage. If the AGC is not working (or shorted while
soldering; done that several times), I think that'll keep it from
autoprogramming. The T chip could also cause this.
If you have Chipper Check, I would reccomend doing as tuner alignment.
Anything out of the ordinary will usually make themselves known at that
time.

John Myers
Myers TV Service        Since 1984
Alliance, OH
ph 330-821-6545
----- Original Message ----- 
From: <gulftech@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, April 06, 2004 5:56 PM
Subject: [TechAssist] Re: RCA F27250BC, Chassis CTC177BH3, Won't autoprogram


> EEPROM data was not corrupted.  As I stated, all channels are perfect.
> It just won't autoprogram the channels, and takes a couple seconds to
> change channels with direct input from the remote.
>
> Thanks for the suggestion.
>
>
> Ken Smith
> Gulf Technical Services
> 3034 Gulf Breeze Parkway
> Gulf Breeze, FL  32563
> 850-934-8324 (Voice) 850-932-0819 (Fax)
>
>
> On Tue, 06 Apr 2004 15:45:05 -0500 Jim Myers <jr.myers@xxxxxxxxxxx>
> writes:
> > Did you transfer the eeprom data or realign the tuner parameters?
> >
> *************************************************************************
> ******************************************
> > Since 1972
> > Jim Myers
> > Telrad Electronics
> > Fort Wayne, Indiana
> >
> >
> > gulftech@xxxxxxxx wrote:
> > > This set came in for bad TGP.  Repaired tuner ground plane.  Set
> > works
> > > great now, but will not autoprogram.  I can direct access the
> > channels,
> > > but they are slow to change.  Like the AFT is slightly off, but
> > once on
> > > (about two seconds), they are perfect.
> > >
> > > Rechecked the ground plane and uP soldering.  I can find nothing
> > wrong.
> > > I found some tips on Winstips for bad C3301 or Q3301, but they are
> > OK.
> > > Changed the EEPROM out of desperation.  No change.
> > >
> > > Any ideas?
> > >
> > > TIA,
> > >
> > >
> > > Ken Smith
> > > Gulf Technical Services
> > > 3034 Gulf Breeze Parkway
> > > Gulf Breeze, FL  32563
> > > 850-934-8324 (Voice) 850-932-0819 (Fax)
> > >
> > >
> > > ________________________________________________________________
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> >
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