[TechAssist] Re: RCA ctc203ad5
- From: "Hoyt's TV" <hoytstv@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 23 Apr 2004 18:12:54 -0400
Thanks John.
Russ Hoyt
Hoyt's TV
Exeter, NH
----- Original Message -----
From: "John at Main TV" <maintv2004@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, April 23, 2004 5:57 PM
Subject: [TechAssist] Re: RCA ctc203ad5
> The +33v comes from the +130v off the main SMPS thru R14119 (15K or 30K
at
> 2w) and regulated by CR14107, a 33v zener. R14119 is a common failure.
> I'm not sure if there is a cause for that, maybe the +130 goes too high
when
> the set is off. It normally goes over +140v. The value of the resistor
is
> shown as 15K but 30K is also show in parenthesis. John.
> John Mielke
> Main TV
> 636 main St.
> Longmont, Co
> phone 303 776 6955
> fax 303 776 0792
> maintv2004@xxxxxxxxxxx
>
> ----- Original Message -----
> From: "Hoyt's TV" <hoytstv@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, April 23, 2004 3:35 PM
> Subject: [TechAssist] RCA ctc203ad5
>
>
> > I have an RCA CTC203AD5 that has no 33v to the tuner.
> > It has the upright tuner. Can anyone send me the part of the schematic
> that
> > shows the 33v supply to the tuner?
> > Or tell me what pin of the flyback to begin tracing from?
> > Sams lists 3 different folders for that chassis number in RCA. With my
> luck
> > I'd pay $20 for the wrong one twice before getting the one showing the
> > upright tuner.
> >
> > Thanks
> > Russ Hoyt
> > Hoyt's TV
> > Exeter, NH
> >
> >
> >
> >
>
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