[TechAssist] Re: Zenith plasma expert needed
- From: jim mallory <becyn@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 18 Jan 2007 16:54:38 -0800 (PST)
probably an intermittant Y main or buffer bd.
With the overall image degradation, I'd suspect the Y
main more so. The buffers might just affect lines
upper or lower of center, but not all over.
Also, are you sure the SMPS is stable?
I HATE INTERMITTANT PROBLEMS!
Jim McVey
McVey Alltronix
327 Broadway
Newburgh N.Y. 12550
"If it doesn't play...
CALL MCVEY !!!!!!"
Factory authorized
service for over 20
major brands.
845 561 8383
--- John Mielke <maintv2004@xxxxxxxxxxx> wrote:
> We have 2 Zenith plasma in the shop with different
> problems.
> A Z42PX2D which has 14 black horizontal lines at
> random intervals through
> the picture. We have checked for bad connections at
> the edge of the panel
> and found none. This set also has a intermittent
> problem where the entire
> picture has a negative appearance. The negative
> picture comes and goes but
> the lines always remain and never move.
> The second set is a Zenith P42W46X. It has only
> trash in the center
> (horizontally) that appears to move rapidly up or
> down and then greenish
> trash on the left and right, about 4" each side.
> There is no picture at all.
> It draws a large amount of current, maybe 5 amps AC.
> If I had to guess, I
> would say it has a bad panel but I'm not sure.
> There are no tips for Zenith plasma on Winstips and
> we do not have access to
> Zenith website. Any help appreciated. We do not
> have service manuals on
> either set. 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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