[TechAssist] Re: RCA CTC203AC5 Model-F25422 (No Sound)
- From: "Tel-Tek Electronics" <teltek3@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 7 Sep 2005 12:42:07 -0400
Thanks Eric.
Sounded good...and I just did that. Not this time.
-Ed-
Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx
----- Original Message -----
From: "Eric Manuel" <tvman@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, September 07, 2005 11:06 AM
Subject: [TechAssist] Re: RCA CTC203AC5 Model-F25422 (No Sound)
> Ed check this..Eric
>
> CTC203AD9 F27440YX51
> Problem:No audio, have +16 volts on pin 1 both IC's U11900 and U11901 had
> low level audio at input pins 4, 0 volts on mute pin 3.
> Solution: Mute line pin 3 was reading 80 ohms to chassis ground. Found
> C11909 100mfd 16volt cap shorting off pin 3 of both IC's.
>
>
> Eric
> E M Electronics
> 59 Wights Rd
> Deer Lake NL
> Canada
> A8A 2J2
> Ph# 709 635 2627
> tvman@xxxxxxxxxxxxxxx
>
>
>
>
>
> Tel-Tek Electronics wrote:
> > Guys;
> > Need a little help on this.
> > This set uses the Guide+, which I originally suspected for the Audio
problem.
> > I have substituted the Guide+ module, but still no sound.
> > The Audio output IC appears to be working, since I can get audio by
injecting signal into pin 4 of U11900.
> > Anyone have any tips on this set.
> > The set is Mono, so too many hours of troubleshooting are out of the
question.
> >
> > Thanks.
> >
> > -Ed-
> > Tel-Tek Electronics
> > Ontario-Canada
> >
> > teltek3@xxxxxxxxxxxx
>
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