[TechAssist] Re: RCA TV, J27430, CTC203J9, Pix & Sound Comes & Goes

  • From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 5 Nov 2003 11:11:21 -0500

Isn't this the one where you have to use Chipper Check to tell the
eeprom/micro which tuner is installed? I don't remember for sure if it is
and also don't know what the symptom is when it is set for the wrong type
tuner. May be worth checking into though.
**************************************************
Jim Myers
Since 1972
Telrad Electronic Services Co.
Fort Wayne, IN 46815
*************************************************
----- Original Message ----- 
From: <gulftech@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, November 05, 2003 9:35 AM
Subject: [TechAssist] RCA TV, J27430, CTC203J9, Pix & Sound Comes & Goes


Techs,

This set looks like a bad tuner.  Comes on w/ pix & sound.  Then, every
few seconds, loses sync, pix & sound blanks, screen says "Unusable
Signal."  This tuner mounts on the main pcb.  Pulled tuner, resoldered,
and reinstalled.  As I recall, set did same thing, BUT problem seemed
only to appear on low-band VHF.  (That was last week.)

Ordered new tuner (252841) and installed.  Problem still there, but on
all channels.  Pix loses sync, may come right back or be off long enough
to display  "Unusable Signal" again, then come back in.  I know it's
<possible> the new tuner is bad, but is there something I missed?

TIA,


Ken Smith
Gulf Technical Services
3034 Gulf Breeze Parkway
Gulf Breeze, FL  32563
850-934-8324 (Voice) 850-932-0819 (Fax)


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