[TechAssist] Re: JCV AV-27820 Dark picture - Brightness has no effect.
- From: Jerry Wilkinson <scotvrpr@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 3 Jun 2005 14:28:51 -0700 (PDT)
i had one that had a bad disk cap loading the abl off
the flyback it feeds a brightness limiter circuit when
i unsoldered it the pix came on and actually worked
without it...Scotty
--- LeRoy Westlund <llw@xxxxxxxxxx> wrote:
> Hi,
> This JVC has a very Drak picture. Brightness has no
> effect at all.
> Voltages on CRT module are OK. Screen 402 volts, and
> is adjustabe.
> 200 volt siuce is 175 volts. CRT tests "very good".
> Some resistors look overheated, and can't read the
> values on R526, R941, &
> R544.
> Working without a schematic. Anybody have anything
> on this one ?
>
> Any help is appreciated, as usual.
> LLW
>
> LeRoy Westlund
> Westlund TV & Electronics
> 97 North Main " I
> forgot,..to remember,..
> Centerfield, UT 84622-0087 to forget "
> Ph./Fax 435-528-3822
> mailto:LLW@xxxxxxxxxx
>
>
>
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JERRY WILKINSON
SCOTTY'S TV SERVICE
LIVONIA MICHIGAN
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