[TechAssist] Re: Proscan CTC 169bg5 shut down
- From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 28 Jan 2002 14:31:49 -0500
Did you change CR4118 yet?(Do you have 15v) If so change C4402, if this
cap goes just a little low in value I have seen the set shut down
Phillip R Hull
phil245@xxxxxxxxxxxxx
----- Original Message -----
From: "Tomlee" <t8872695@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, January 28, 2002 1:31 PM
Subject: [TechAssist] Proscan CTC 169bg5 shut down
>
> Hello fellow tech.
> I am working with ctc 169bg5. with the help with other techs Perry, JBC.I
> force to turn on the tv by apply 5v at base of
> Q4306. But the tv show a sign of on and off cycle. I do not hear the
sound
> of high voltage . I use the sencore to ring the
> flyback by one end of probe to the B+ and the other end to colector of HOT
> as sencore manual direction. But Get zero
> ring .If I remove cr402 and L803 I will get maximum 30 rings.(The HOT
> colector connect to ground by 2 diode CR 401 and cr402 ). I means If The
> HOT collector connect to ground or connect to pincustion circuit(through
> L803) It will make zero ring on flyback test.Does this means somthing
wrong
> at pincushion ckt or B+ to ground ckt . I measure no short to B+. .
> May be it is only short to horizontal frequency?.Any Ideas from experince
> tech is appriciated.I spend too much time for this .
> Dang TVCR
>
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