Question about RCA F36650 36" TV

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Intermittent No Video (6 Year Old TV)

Problem has happened now 3 times over the last 2 months and is becoming more frequent. Event: No video on remote power on:

  • TV not turned on all day till 3pm - Problem usually occurs after TV has been off for an extended period (~12 hours or more or overnight)
  • Powered TV on with remote
  • TV turned on - heard relay pull in
  • Heard de-gaussing/static that followed
  • Volume ok
  • No video
  • Tube gun heater elements not on
  • After about 2 minutes video came on
When video comes back and I put it in Service Mode I get Codes:
P1 26 Not Defined
P2 26 Not Defined
P3 24 Not Defined

I don't believe this is a transformer. In my experience the transformer is either good or bad. I am thinking more of the controlling circuit. Thank you. Jeff

Posted by on

  • ms0241 Dec 01, 2008

    Going on 3 weeks now - working solid.

    The Fix
    : Resoldered:

    * Both ends of LL04 (inductor between HOT and Horiz Drive Txfmr LL01). This is the inductor in the troubleshooting tips they tell you to check. It is on the output of Pin6 of LL01. No visible cracks or problem.

    * CP65 and CP76. I removed them to check capacitance then reused them.


    * Tie Wrapped both ribbon cables from GEM4 module away from power resistor.

    * Per SN - Replaced 2uF cap with 4uF cap to reduce power on current draw.

    Only new part that helped fix the problem was the Horizontal Output Transistor (shorted).


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Check for cracked solder joints on the coil near of the horizontal output,are between there pins

Posted on Nov 04, 2008

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