[TechAssist] Re: Fw: RCA Proj Model P4677CK Chassis CTC169PA
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 31 Aug 2004 07:53:21 -0400
Parts Finder has it as 243210 (was 149018).
Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager / Parts Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxx
geminitv@xxxxxxx
www.geminicomputertvsecurityalarms.com
----- Original Message -----
From: "Larry Poffen" <lpoffen@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, August 30, 2004 4:46 PM
Subject: [TechAssist] Fw: RCA Proj Model P4677CK Chassis CTC169PA
> I think I found my problem, It is U1903, op amp says LM324N on it.
Anyone
> have the RCA Part Number for U1903 for a CTC169PA chassis?
> Larry
>
> Larrys TV Service
> Broken Arrow OK 74011
> phone 918-455-1041
> Fax 918-451-4485
> e-mail lpoffen@xxxxxxx
> ----- Original Message -----
> From: "Larry Poffen" <lpoffen@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, August 30, 2004 9:27 AM
> Subject: RCA Proj Model P4677CK Chassis CTC169PA
>
>
> > This Proj set is really giving me fits. Came in dead, found pulling
P1903
> > Audio plug restored normal operation. I replaced both audio out IC`s,
no
> > help. found it still shuts down with both U1901 & U1902 removed.
Measured
> > both the + & - voltages at the plug & both are running around 18V. With
> > the ic`s both out I can resolder the pins 2-3 & 6-7 that have been
> > disconnected to get the set to power up 7 set will continue to run with
> > normal voltages on the + & - supplies, but when I shut it off it will
not
> > restart. Have checked caps in the circuit & find no problem. What has
> > anyone else found bad in this audio circuit? or any info to narrow down
> > my problem would be appreciated. thanks Larry
> >
> > Larrys TV Service
> > Broken Arrow OK 74011
> > phone 918-455-1041
> > Fax 918-451-4485
> > e-mail lpoffen@xxxxxxx
>
>
>
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