[TechAssist] Re: Hitachi 53UWX10B Convergence adjusting
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 15 Oct 2005 10:01:09 -0400
I'm no expert as I only had 1 with convergence trouble, but I put the IC's
in from B&D and didn't have to do any convergence.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "DAMON BRUNGER" <damoneb@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, October 15, 2005 8:03 AM
Subject: [TechAssist] Hitachi 53UWX10B Convergence adjusting
> I'm asking this question because we're really starting to do some more
> work
> on the HITACHI Digital Convergence systems, and I've had this problem
> occur
> on the last 3 units I've serviced.
> Hitachi EXPERTS....I need YOUR INPUT.
>
> Have you ever had the Hitachi PTVs causing REALLY BAD alignment problems
> AFTER replacing the Convergence IC's?? Does the Hitachi TV require
> "Hitachi-Only" Convergence AMPs?
>
> I tell you what.....it's bad enough to do minor touch-up....but when the
> top
> or bottom lines >>ALWAYS<< seem to be the failure point on
> Hitachi's.....that's when you start wondering if you should switch from
> MCM/Tritronics "Standard" STK392-110's to "Hitachi-Only" Amps (which by
> the
> way...are available FROM Tritronics....or so my boss says...)
>
> Now if you want to know the symptoms....the Top OR BOTTOM lines "seem" to
> Pop way out of adjustment,
> [[you're adjusting it....it "smoothly" is approaching the point of
> alignment....it's getting closer, and closer....closer.....POP! IT's 6
> inches past the point of alignment....and distorting.]]
> Using the "centering magnets" to re-center the offending color doesn't
> seem
> to help.
>
> The problem is always around the corners, normally the top/bottom lines
> cannot be properly adjusted....I don't remember if the left/right lines
> have
> ever had this situation occur, since I have only serviced 3.....yes 3
> Hitachi PTVs in 2 years!!
> That's why I need input from the Hitachi EXPERTS! TIA, and I really mean
> TIA
>
> Damon B
> Telrad Electronics
> Fort Wayne IN
>
>
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