[TV] Re: RCA DLP 50"

["Al Marquardt" <ampm@xxxxxxx>]

If I'm not mistaken the last cross hatch in the service mode is created by 
the engine.
Al Marquardt
Al Marquardt Electronic repair
206 W Main St.
Girardville Pa. 17935
ampm@xxxxxxx
----- Original Message ----- 
From: "Paul" <pktv@xxxxxxxxx>
To: <tv@xxxxxxxxxxxxxxx>
Sent: Thursday, July 03, 2008 12:27 PM
Subject: [TV] RCA DLP 50"


>
> Hi techs,
>
>    RCA DLP, HD50LPW164YX1
>
>    Problem is solarization, or at least that's what I call it.  It's the
> paint by numbers look, with all the wrong colors.  All inputs are 
> affected,
> and the OSD is bad too.  Even when I pull up the service menu, the test
> patterns and the OSD are still bad.
>
>    The video out of the Monitor Out from the DM3 module is good.  Audio is
> good too, btw.  I'm leaning toward the light engine since the test 
> patterns
> are bad too, but I can't confirm where they originate, in the engine or 
> DM3.
>
>    I have the training manual and field guide, which have some pretty good
> info, especially about troubleshooting dead set condition, but I can't 
> find
> anything referencing this situation, or even how to narrow it down to the
> DM3 or light engine.  That's really all I want to do, is narrow it down to
> light engine or board (which one).
>
>    If anyone can help I'd surely appreciate it, or a number to RCA tech
> line.  The phone # I had on file is no good now.
>
> Paul Kesterson, CET
> Marshfield TV and Electronics
> pktv@xxxxxxxxx
>
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