[TechAssist] Re: sharp 20 AM 100 Vertical foldover
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 27 Jun 2002 03:28:55 -0400
This is from the Sharp website:
Symptom : VERTICAL SHRINKAGE
Resolve :
a.. 1. REPLACE C502.
Hint :
a.. <#1> PICTURE SHRUNK VERTICAL1Y 1 TO 2 INCHES AND DISPLAYS
RETRACE LINES. SYMPTOMS LESSEN AS THE SET WARMS UP.
b.. <#2> BRIDGING CAP C502 DID NOT SOLVE PROBLEM. OLD CAP HAS BE
REMOVED AND NEW CAP INSTALLED IN ORDER TO RESOLVE THE PROBLEM.
Bob Waterman, CET®
Service Manager
Gemini Computer, TV, & Security Alarm Systems, Inc.
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx
----- Original Message -----
From: "Eric gundersen" <redwitch01@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, June 26, 2002 11:37 AM
Subject: [TechAssist] sharp 20 AM 100 Vertical foldover
> Hi All, I have a Sharp 20am100 here that has a 3 to 4" blank space at the
top of the screen with the same in fold over. Have changed all caps in the
vertical deflection circuit with no improvement. checked for 24.7 on pin# 3
and #6 of IC501 and only have 20.5V and 19.4V any help please. Note IC501
seems to go into thermal run away.
>
>
> Eric
>
> E&G Electronics
> Irvington AL
> 36544
>
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