[TechAssist] Re: Zenith 27" dead shutdown SJ7775BG flat split chassis9-1054 main 9-1092 sweep

Don't rember checking that one. Only went in for a bit this moring to check 
on a few things.

Peter Oliver
Tucson Radio TV


From: "Ron Miller d.b.a. Country TV" <rlmbkm@xxxxxxxxxx>
Reply-To: techassist@xxxxxxxxxxxxx
To: <techassist@xxxxxxxxxxxxx>
Subject: [TechAssist] Re: Zenith 27" dead shutdown SJ7775BG flat split 
chassis 9-1054 main 9-1092 sweep
Date: Mon, 31 May 2004 13:52:16 -0500

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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