[TechAssist] Re: JVC AV-32F734 (YA version) NO picture/brightness. sound, HV vert defl. all OK
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 25 Feb 2005 10:50:47 -0500
Maybe bad flyback?
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, February 25, 2005 9:56 AM
Subject: [TechAssist] JVC AV-32F734 (YA version) NO picture/brightness.
sound, HV vert defl. all OK
> Changed flyback already.
> Reason for no brightness (black tube) seems to be very low G2 screen to
> CRT board. On order of a hundred volts. Filaments lit OK.He removed G2
> wire completely and measured it with DC probe on a scope, so good
> isolation that shouldn't load it down. At wits end here.
> Need ideas.
> Phil Bader
>
> --
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
>
>
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