[TechAssist] Re: Proscan CTC 169bg5 shut down
- From: "Tomlee" <t8872695@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 30 Jan 2002 09:48:29 -0800
Hello Phil.
Yes may be it is called IHTV. I do not know What it stands for.
My print from Sam Efax does not cover clearly this component and also It
has a bit diferent from tv chasis.
The one that I cut is the input 35K volt to the block that has
3 adjusted knobs EF1,EF2, G2.
Dang TVCR
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, January 30, 2002 6:37 AM
Subject: [TechAssist] Re: Proscan CTC 169bg5 shut down
>
> Do you mean the IHVT?? There is no HV Block on 169bg5 which I believe is
a
> direct view TV .
> Phillip R Hull
> phil245@xxxxxxxxxxxxx
> ----- Original Message -----
> From: "Tomlee" <t8872695@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, January 29, 2002 7:54 PM
> Subject: [TechAssist] Re: Proscan CTC 169bg5 shut down
>
>
> >
> > To JBC, Perry,Phil Bader, Phillip Hull, Guys William.
> > I am just too happy to tell you friends that I cut the high input to
High
> > voltage block . Then the set turn on. I do not know the block is bad or
> > further short . onething is I take off crt board to test. One moer thing
> > that I learn is it shut down before the high voltage is on .It is harder
> > than the other brand of tv ,Usually the sound of high voltage on then
shut
> > down .anyway this is the second proscan I work .I will post the outcome
of
> > my work on this forum.
> > Dang TVCR
> > ----- Original Message -----
> > From: "Tomlee" <t8872695@xxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, January 28, 2002 10:31 AM
> > 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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