[TechAssist] Re: RCA CTC185AB Dead F25216WT may 1996

  • From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Fri, 01 Nov 2002 01:49:35 +0000

I have the trainning manual.

Schematic or guide could be sent by streamload (poliver) or I can send 
another Email address that can handle large downloads.
Glue does not appear to be a problem on c3126. ( on Glue was thompson trying 
what MGA did years ago and try to create sets that self destruct?)

Peter Oliver
Tucson Radio TV






From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
Reply-To: techassist@xxxxxxxxxxxxx
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: RCA CTC185AB Dead F25216WT may 1996
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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