[TechAssist] Panasonic TV mod CT32D11 chassis EP341 shutdown fix
- From: "tvservice" <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 25 Oct 2004 15:19:23 -0500
FYI
I had this set come in last week "dead"
Replaced micro reset IC006 PST9229NR brought back to life but found "Action"
(menu) button on front of tv won't work, OK with remote.
Also when powered on today started going into shutdown had to unplug AC power
to reset.
Found zener diode D806 ma4047 (4.7v) leaky and optic-coupler IC801 (pc817) leaky
Replacing these two items fixed shutdown and action/menu problem.
This circuit design was used in many Panasonic TV's
This was manufactured 2001
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
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