[TechAssist] Re: RCA PROJECTION TV CHASSIS PTK169PCA MODEL P46729BA
- From: "tvservice" <tvservice@xxxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 25 Sep 2002 15:07:55 -0500
If your picture geometry is OK then I would replace EEPROM #218820 U3200.
There are no parameters to align with replacement
good luck
Robert
tvservice@xxxxxxxxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "drcvr" <drvcr@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, September 25, 2002 2:35 PM
Subject: [TechAssist] Re: RCA PROJECTION TV CHASSIS PTK169PCA MODEL P46729BA
>
> Thanks Robert, for looking up!
> Picture and crosshatch are OK, C4401 .016uF& C4402 .056uF are OK, just
> display itself is way off.
> Don B.
> Dr. VCR est:1994
> 20 Hanson Ave
> Kitchener, Ontario
> CANADA N2C 2E2
> Tel 519-579-7112 Fax 519-579-1996
> drvcr@xxxxxxxxxx
>
> ----- Original Message -----
> From: "tvservice" <tvservice@xxxxxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, September 25, 2002 9:52 AM
> Subject: [TechAssist] Re: RCA PROJECTION TV CHASSIS PTK169PCA MODEL
P46729BA
>
>
> >
> > put a crosshatch signal on that screen and see if its geometry is
> correct.
> > if not and I bet it isn't replace c4401 and c4402 in the deflection
> circuit
> > Robert
> > tvservice@xxxxxxxxxxxxxxxxxxx
> > H & H Electronics Inc
> >
> > ----- Original Message -----
> > From: "drcvr" <drvcr@xxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, September 25, 2002 8:40 AM
> > Subject: [TechAssist] RCA PROJECTION TV CHASSIS PTK169PCA MODEL P46729BA
> >
> >
> > > Hi, Techs!
> > > This TV has good size main pix, but ON SCREEN DISPLAY is way too
large.
> > Can't read and tell which channel is on, display show C and hafl of H
(CH)
> > on the right corner. Voltage on pin 16, 17, 18 of U3101 (control micro
IC)
> > are normal, voltage on pin 19 of U1001 is 4.9V (normal). What am I
> missing?
> > or where can I start with? EEPROM?. TIA!
> > > Don B.
> > > Dr. VCR est:1994
> > > 20 Hanson Ave
> > > Kitchener, Ontario
> > > CANADA N2C 2E2
> > > Tel 519-579-7112 Fax 519-579-1996
> > > drvcr@xxxxxxxxxx
> > >
> > >
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