[TechAssist] Re: RCA CTC195K Model 60920BL Squeels when ac applied..update
- From: "Shaun" <satguy@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 21 Sep 2004 16:30:35 -0600
Yes I can but the unit still squeals with the horz circuit out of the
circuit. If I disconnect the convergence ac cord the squealing turns into a
constant chirp, chirp. The squeal is coming from the power transformer.
Shaun
Advanced Electronics
224 West Riverview Ave.
Fort Morgan, CO 80701
----- Original Message -----
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, September 21, 2004 4:10 PM
Subject: [TechAssist] Re: RCA CTC195K Model 60920BL Squeels when ac
applied..update
> Sounds like you still have a short in the HOT circuit somewhere. Can you
> check the timing and the load?
> Al Marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
> ----- Original Message -----
> From: "Shaun" <satguy@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, September 21, 2004 5:42 PM
> Subject: [TechAssist] Re: RCA CTC195K Model 60920BL Squeels when ac
> applied..update
>
>
> > Ok replaced the flyback (239111) and still have the squealing when ac is
> > applied. This time it shorted the horz output. The old fly did ring bad.
I
> > can not find any bad parts in the power supply. It will still squeal
with
> > the horz output removed. Any one have any help?
> >
> > Shaun
> >
> > Advanced Electronics
> > 224 West Riverview Ave.
> > Fort Morgan, CO 80701
> > ----- Original Message -----
> > From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, September 17, 2004 4:37 AM
> > Subject: [TechAssist] Re: RCA CTC195K Model 60920BL Squeels when ac
> > applied
> >
> >
> >> I am showing the following:
> >>
> >> Part# 239111
> >> Ref# T14401
> >> TRANSFORMER IHVT TDS29
> >> Drawing# XX15128-12D
> >>
> >> Bob Waterman, CET® #RI-28
> >> Master Technician License #9109
> >> Service Manager / Parts Manager
> >> Gemini Computer, TV, & Security Alarms
> >> (508)695-7302
> >> (508)695-7769 FAX
> >> geminitv@xxxxxxxxxxx
> >> geminitv@xxxxxxx
> >> www.geminicomputertvsecurityalarms.com
> >>
> >>
> >>
> >> ----- Original Message -----
> >> From: "Shaun" <satguy@xxxxxxxxxxxxx>
> >> To: <techassist@xxxxxxxxxxxxx>
> >> Sent: Thursday, September 16, 2004 8:36 PM
> >> Subject: [TechAssist] Re: RCA CTC195K Model 60920BL Squeels when ac
> > applied
> >>
> >>
> >> > Do you know the part number for the flyback? I seem to remember there
> > were
> >> > some problems with this chassis and the flyback replacement.
> >> >
> >> > Shaun
> >> >
> >> > Advanced Electronics
> >> > 224 West Riverview Ave.
> >> > Fort Morgan, CO 80701
> >> > ----- Original Message -----
> >> > From: "al m" <ampm@xxxxxxx>
> >> > To: <techassist@xxxxxxxxxxxxx>
> >> > Sent: Thursday, September 16, 2004 4:49 PM
> >> > Subject: [TechAssist] Re: RCA CTC195K Model 60920BL Squeels when ac
> >> applied
> >> >
> >> >
> >> > > Replace the flyback.
> >> > > Al Marquardt
> >> > > ampm@xxxxxxx
> >> > > Al Marquardt Electronic Repair
> >> > > 206 W Main
> >> > > Girardville Pa. 17935
> >> > > ----- Original Message -----
> >> > > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> >> > > To: "tech" <techassist@xxxxxxxxxxxxx>
> >> > > Sent: Thursday, September 16, 2004 5:15 PM
> >> > > Subject: [TechAssist] RCA CTC195K Model 60920BL Squeels when ac
> > applied
> >> > >
> >> > >
> >> > > > This set squeals when AC is applied. It will try to turn on if
> >> > > > power
> >> > > > button
> >> > > > is pushed but will do the three time try then go back to the
> >> > > > squeal.
> >> > Horz
> >> > > > output is good all caps in power supply are good checked all
diodes
> > in
> >> > > > power
> >> > > > supply. I removed collector on horz out and still squeals with it
> > out
> >> of
> >> > > > the
> >> > > > circuit. Need a few other tips if anyone has any. There where no
> >> > squealing
> >> > > > tips on the web site.
> >> > > >
> >> > > > Shaun
> >> > > >
> >> > > > Advanced Electronics
> >> > > > 224 West Riverview Ave.
> >> > > > Fort Morgan, CO 80701
> >> > > >
> >> > > >
> >> > >
> >> >
> >>
>
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> >> > >
> >> >
> >>
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