[TechAssist] Re: Panasonic CT20G14A still dead
- From: "tvservice" <tvservice@xxxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 31 Oct 2002 17:11:35 -0600
Trace B+ from flyback back to power supply you will find shorted rectifier
diode. Can't remember location number but I have used RCA 243636 to replace
OK.
Robert
tvservice@xxxxxxxxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "Larry E." <videotech@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 31, 2002 2:31 PM
Subject: [TechAssist] Panasonic CT20G14A still dead
>
> Hi guys, I`m working on a Pan. CT20G14A, originally set was dead, found
> primary of T002 open, ordered transformer and installed today, now have
> B+ but set still dead and squeals when turned on. Checked HOT and it
> reads dead short,removed HOT and re-checked it,not shorted, I have a
> dead short on the collector to emitter traces of the HOT,pulled caps,
> C563,565,566,& 823 and still have short on C-E traces, don`t have print
> and board is painted black in the HOT area so it`s very hard to follow
> trace, can someone with this schematic check it and give me some idea
> where to look ? I tried to order print from Tri-tronics but they don`t
> list it, tia, Larry E.
> --
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl.
> http://www.tvjunkyard.com
>
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