[TechAssist] Re: Mitsubishi model CK-3530R- black lines in picture
- From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 6 Dec 2002 12:18:47 -0500
Mike,
This is a 1989 UA-B chassis. We see quite a few of these. They have bad
caps in several places. Not as extensive as on some of the later Mits sets,
but you will likely find 6-12 bad electrolytics. Check them all like you
would on one of the later models for electrolyte leakage, ESR, and dc
leakage and you will save yourself recalls. Be sure to check the vertical
circuit carefully for bad connections and caps. Just moving it around will
often set off vertical problems.
Leonard G. Caillouet
Service Manager
Electronics World
Gainesville, FL
352-332-5608
352-332-5668 (fax)
----- Original Message -----
From: <Ttkirkpat@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, December 06, 2002 12:09 AM
Subject: [TechAssist] Mitsubishi model CK-3530R- black lines in picture
> Here we go, set works fine at turn on. After 10 minutes the video will
> develop black streaks along the edges of people,etc.. It seems to
increase
> the longer it is on. There is nothing loose, freeze does not affect it. I
> replaced 10 filters in the video and power supply circuits because of
> leakage. None of these made a difference. I feel confident that I am
> overlooking a filter or cap leaking but ran out of daylight. If by some
> miracle of the imagination someone has seen this , make my day by sharing
> your knowledge. Thanks from Mike at the Video Center. My e-mail is
> ttkirkpat@xxxxxxx
>
>
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