[TechAssist] Re: RCA CTC169CA PWR Supply-Horiz Prob?
- From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 11 May 2003 18:36:23 -0400
Peter possibly the replacement flyback could be bad. I also wonder if you
used generic HOT or original. The regulator sounds like it is Ok but some
thing is pulling down the B+ after start up.
Bruce.
B&T Electronics
139 Margaret St
Sarnia Ontario
Canada
N7T 2Y3
519 344 1850
----- Original Message -----
From: "Peter W. Blakeman" <pwblakeman@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, May 11, 2003 5:37 PM
Subject: [TechAssist] RCA CTC169CA PWR Supply-Horiz Prob?
>
> When this set came in the flyback was smoking. I replaced it. Then I
> noticed the pix out of sync and dim. I checked the 140V. It is 139V when
> the set is off, but drops to 116V when the set is turned on. I replaced
> the usual caps in the regulator circuit. No help. There is also raspy
> horizontal sound
> coming from the set. Ocasionally it will shut down. I also replaced C4401
> and CR4401. I checked C4141. It checked ok. Maybe I missed something in
> the horizontal circuit. Any ideas on this one?
> TIA,
> Peter Blakeman
> Blakeman Electronics
> Tyler, Tx 75704
>
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