[TechAssist] Re: Zenith 27" dead shutdown SJ7775BG flat split chassis 9-1054 main 9-1092 sweep

Have you replaced the 100uf @ 25vdc near the PWM ic? Its also near a L
shaped heat sink .
Country TV
Ron Miller
Inez, TX. 77968

----- Original Message ----- 
From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, May 31, 2004 1:41 PM
Subject: [TechAssist] Zenith 27" dead shutdown SJ7775BG flat split chassis
9-1054 main 9-1092 sweep


> Zenith 27"
> SJ7775BG
> Main 9-1054
> Sweep 9-1092
> PIP 9-1084
> MFD Dec 1992
>
>                             Set is in dead - shutdown condition. After
about
> 30 sec after plug in set will flux the HV spontainously  but otherwise
> nothing.  Rang the FBT (95-4134-01) seemed to be ok (60 rings) checked and
> changed the start up cap, Found 3 leaking 100uf 16v bright blue caps on
the
> main chassis (2 on the right side as seen from the rear near an IC and 1
on
> the left next ro the input of the tuner). CRT and yoke test ok- tested
with
> another chassis (CRT is a zenith replacment from '95, a A68ACT07x) but
still
> dead.
>
> Peter Oliver
> Tucson Radio TV
>
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