[TechAssist] Re: RCA F27615/CTC203AX1 no tuning fix, now no close caption

  • From: Philip Bader <tjanphyl@xxxxxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Wed, 17 Dec 2003 09:12:59 -0500

As I have had no responses to this (on three forums) I will contact
Tompson technical assist "900" line and post the answer for the group.
Phil

Philip Bader wrote:
> 
> Originally no tuning.Also seemed to have some white residue inside the
> Gemstar module I cleaned. (looked like water lime residue).
> Customer says she can not make the Closed Captioned work .
> Where does the CC function originate? Gemstar?
> Would like some info before it comes back.
> I assume she knows how, as she has another identical set she uses it on.
> Phil Bader
> -------- Original Message --------
> Subject: RCA F27615 / CTC203AX1 no tuning/no+33v, fix
> Date: Sat, 13 Dec 2003 10:09:55 -0500
> From: Philip Bader <tjanphyl@xxxxxxxxxxxxxxx>
> Organization: Jan Phyl TV Inc. ,Philip Bader
> To: "techassist@xxxxxxxxxxxxx" <techassist@xxxxxxxxxxxxx>
> 
> This version has the seperate small upright tuner.
> measured all tuner pins, none had +33 volts (or even close).
> Back at the SMPS (located at front left chassis) located the +33V
> source. Starts at smps transformer pin 16, to diode CR14106, branches
> off to several pionts. One of which was resistor R14119, 15K ohm/2W.
> Open.
> This went on to zener diode CR14107 (33 volt)., then C14111
> (100mf/63V),C14158 (1mf/100v).
> Changing R14119,Zener CR14107 restored the 33V to tuner and operation
> was restored. Change the two mwntioned electrolytics as precaution.
> Phil
> --
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
> 
> *****************************************************************************
> Lost Password:
> http://www.tech-assist.org  and select "Login Problems?".
> Email Archives:
> //www.freelists.org/archives/techassist/

-- 
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx

*****************************************************************************
Lost Password:
http://www.tech-assist.org  and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/

Other related posts: