[TechAssist] Re: Zenith PTV model PVR4663RK intermitent highvoltage

 From WinStips
PVR4663RK....Dead,Hums,,,,,,,,,,,,HOT(121-1167-01) and Flyback(95-4134-13)

Peggs

At 03:52 PM 4/30/03, tomlee wrote:

>Hello Fellas.
>I am working with this PTv model PRV-4663RK .Last time I post with out my
>schematic .Now I already have it from Treausrechest.Cutomer said It
>sometimes has highvoltage and picture.When I remove backcover
>And take board abit out. It never show highvoltage again.Findout IC3401 does
>not oscilate.Pin 14 is zero volt. I jump pin14 with pin15 .Because pin 15
>has+5volt in standby. The set works one hour. Then customer call me It does
>not have
>highvoltage and picture again. Any body tell me How this IC is turn on ?What
>make this IC turn on(switched) when power button is pushed.  THANKs
>
>Dang TD electronics
>
>
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Peggs' Electronics
1519 West 2nd Street
Owensboro,KY 42301
270-926-4968
fax 270-686-7399
peggs@xxxxxxxxxxxxx

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