[TechAssist] Fw: RCA Proj Model P4677CK Chassis CTC169PA
- From: "Larry Poffen" <lpoffen@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 30 Aug 2004 15:46:46 -0500
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
-----------------------------------------------------------------------------
Lost Password:
http://www.tech-assist.org and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/
Other related posts:
