[TechAssist] Re: Proscan CTC 169bg5 shut down
- From: "Tomlee" <t8872695@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 28 Jan 2002 12:04:44 -0800
Hello Phil.
Yes I do have 15v at cr4418. I will check C4402.
c4401 and c4402 connect together from HOT (collector) to ground.
Thanks
----- Original Message -----
From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, January 28, 2002 11:31 AM
Subject: [TechAssist] Re: Proscan CTC 169bg5 shut down
>
> 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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