[TechAssist] Re: RCA CTC185AB Dead F25216WT may 1996
- From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 1 Nov 2002 14:39:29 -0500
I'm resending this because I never seen it posted and tech assist seemed to
be down this morning
----- Original Message -----
From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 31, 2002 5:09 PM
Subject: Re: [TechAssist] Re: RCA CTC185AB Dead F25216WT may 1996
> Check for open horz drive transformer between pin 1 and 3 That got mine
to
> fire up but now turns on and off continuously . If someone had this
> problem before please advise to save me some time.
> Thanks,
> Phillip R Hull
> phil245@xxxxxxxxxxxxx
> ----- Original Message -----
> From: "Eric Manuel" <tvman@xxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, October 31, 2002 3:38 PM
> Subject: [TechAssist] Re: RCA CTC185AB Dead F25216WT may 1996
>
>
> >
> > Hi Peter I have the trouble shoot guide and the training manual in
> > electronic
> > format I can send it direct to you if you need it..Eric
> > Eric Manuel
> > Deer Lake Nfld
> > Canada
> > 709-635-2627
> >
> > Peter oliver wrote:
> > >
> > > Not that I can find (scat) do you have one in electonic format if so
> what
> > > size is the file?
> > >
> > > Peter oliver
> > > Tucson Radio TV
> > >
> > > From: "al m" <ampm@xxxxxxx>
> > > Reply-To: techassist@xxxxxxxxxxxxx
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Subject: [TechAssist] Re: RCA CTC185AB Dead F25216WT may 1996
> > > Date: Thu, 31 Oct 2002 10:07:14 -0500
> > >
> > > Peter do you have a scat? My scat says 7.5V on pin 20, it's the
> horizontal
> > > B+. It comes from Q4115 the standby switch. The voltages on it are
E=12V
> > > C=12V B=11.4V pin 29 is the standby pin on micro.
> > > al marquardt
> > > ampm@xxxxxxx
> > >
> > > ----- Original Message -----
> > > From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Wednesday, October 30, 2002 11:14 PM
> > > Subject: [TechAssist] Re: RCA CTC185AB Dead F25216WT may 1996
> > >
> > > >
> > > > Pin 20 of u1001 reads 4.8V
> > > >
> > > > Peter Oliver
> > > > Tucson Radio TV
> > > >
> > > >
> > > > From: "al m" <ampm@xxxxxxx>
> > > > Reply-To: techassist@xxxxxxxxxxxxx
> > > > To: <techassist@xxxxxxxxxxxxx>
> > > > Subject: [TechAssist] Re: RCA CTC185AB Dead F25216WT may 1996
> > > > Date: Sun, 27 Oct 2002 12:46:15 -0500
> > > >
> > > >
> > > > do you have your 7.5v on pin 20 of U1001
> > > > al marquardt
> > > > ampm@xxxxxxx
> > > >
> > > >
> > > > ----- Original Message -----
> > > > From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> > > > To: <techassist@xxxxxxxxxxxxx>
> > > > Sent: Sunday, October 27, 2002 9:51 AM
> > > > Subject: [TechAssist] Re: RCA CTC185AB Dead F25216WT may 1996
> > > >
> > > >
> > > > >
> > > > > The 5V supply is present at the front buttons.
> > > > >
> > > > > Peter Oliver
> > > > > Tucson Radio TV
> > > > >
> > > > >
> > > > >
> > > > > From: "al m" <ampm@xxxxxxx>
> > > > > Reply-To: techassist@xxxxxxxxxxxxx
> > > > > To: <techassist@xxxxxxxxxxxxx>
> > > > > Subject: [TechAssist] Re: RCA CTC185AB Dead F25216WT may 1996
> > > > > Date: Sun, 27 Oct 2002 08:13:58 -0500
> > > > >
> > > > >
> > > > > You don't mention the 5V supply anywhere. Do you have a scat?
> > > > > al marquardt
> > > > > ampm@xxxxxxx
> > > > >
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> > > > > To: <techassist@xxxxxxxxxxxxx>
> > > > > Sent: Saturday, October 26, 2002 5:34 PM
> > > > > Subject: [TechAssist] RCA CTC185AB Dead F25216WT may 1996
> > > > >
> > > > >
> > > > > >
> > > > > >
> > > > > > RCA model F25216WT
> > > > > > Chassis ctc185AB
> > > > > > MFD May 1996
> > > > > > Symptom DEAD no flux at plug in no attempt to start or turn
on
> > > > > >
> > > > > > Has voltage
> > > > > > Q4114 D=165V, S=162V, G= 135V
> > > > > >
> > > > > > Q4401 H.O.T Collector = 162V
> > > > > >
> > > > > > U4107 (12V reg) pin 1 (in)= 27V pin 3 (out)=11.9
> > > > > > CR4110 cathode= 27.8V
> > > > > > saw tip for CR4704 replaced no change.
> > > > > >
> > > > > > The regulator and H.O.T. test normal in circut this set still
> has
> > > the
> > > > > > electoltic in regulator circurt.. I have the regulator KIT
but
> it
> > > > doesn't
> > > > > > have all the symptoms, ie usually the regulator blows. The
> customer
> > > > said
> > > > > it
> > > > > > just stopped working.. Any ideas
> > > > > >
> > > > > >
> > > > > > Peter Oliver
> > > > > > Tucson Radio TV
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
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