[TechAssist] Re: Zenith SL3585BT, green screen w/ retrace
- From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 20 Dec 2002 10:06:00 -0500
Ken,
Have you gone into service menu? What happens when you turn the
screen down? Also the 120k resistors must be unsoldered to get correct
reading. The video output board has like 20 transistors, make sure none of
them are leaky, the small ones that are very close to the heat sink @ the
video outputs, usually cause this problem..
Bob,
Bobs TV Worcester, ma
woodman1@xxxxxxxx
Main 508-853-1482
Fax 508-853-1480
----- Original Message -----
From: <gulftech@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, December 19, 2002 10:25 PM
Subject: [TechAssist] Zenith SL3585BT, green screen w/ retrace
>
> Techs,
>
> This TV is proving to be a dog. May end up being the CRT, but I don't
> have a print to verify. My tech has found heavy load on the green
> driver. If the green cathode is floated, a somewhat normal video,
> although dark, is present with no green. Have tried filament bypass
> routine, without change. My Sencore will not test this tube.
>
> Does someone have a scan of the CRT pcb--9-1298-05. That would help a
> lot. The 120K resistors are all good. My tech has spent far too long on
> this puppy!
>
> 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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