[TechAssist] Re: RCA CTC185AB Dead F25216WT may 1996
- From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 31 Oct 2002 17:08:18 -0330
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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