[TechAssist] Re: Mitsubishi VS45501, chassis VZ4, dim picture.

  • From: "Shoreline Electronics" <jstielau@xxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Sun, 13 Nov 2005 09:27:17 -0500

This should do it :

---------------------------------------------------------------
Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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MITSUBISHI   VS60601

Pix Washed Out With Excessive Brightness.  Controls Have No Effect.

Dan Mundy, Cet/Csm Vz4

Replace All Transistors On Crt Boards.  Q6?0, Q6?1 2sa1321, Q6?2 2sc3334. 
Bias Is Upset On Ik Line.

---------------------------------------------------------------


==========================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
jstielau@xxxxxxxx
========================

----- Original Message ----- 
From: "John Mielke" <maintv2004@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, November 12, 2005 12:40 PM
Subject: [TechAssist] Mitsubishi VS45501, chassis VZ4, dim picture.


>I have a Mitsubishi VS45501, chassis VZ4 made in 1997 that has a dim 
>picture
> that is too bright.  It does not have retrace and does not shutdown.  The
> customer said the problem started gradually.  I have replaced IC200
> (CXA2095S) per winstips and checked all the electrolytics and transistors
> around that IC.  The brightness and contrast controls change the OSD bars
> but there is no change in the picture.  Color and tint controls work
> normally.  I removed the PIP module and the picture is still bright, of
> course with no video, and the OSD is still dim.  Has anyone seen this
> before?  TIA, John.
> John Mielke
> Main TV
> 636 Main St
> Longmont, Co 80501
> 303 776 6955
> 303 776 0792 fax
> www.longmontmaintv.com
> maintv2004@xxxxxxxxxxx
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