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

  • From: "Rochester TV" <rochester.tv@xxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Sat, 12 Nov 2005 13:03:40 -0600

You have to bypass the pip module, just not remove it.There are a few 
capacitor's that couple the lumanance and chromance signals.

----- Original Message ----- 
From: "John Mielke" <maintv2004@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, November 12, 2005 11:40 AM
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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