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 Post subject: [LX-900] AC-3 modification?
PostPosted: 20 Nov 2015, 06:50 
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I'm planning on modifying my LX-900U to add AC-3 output, after I put a new belt in my Sony MDP-V9K, and probably after I build an adjustment jig for my Sony HIL-C2EX, but before I try to fabricate a new upper clamp assembly for my Panasonic LX-HD20 (long story). It's funny, in the course of a year I've gone from "all Pioneer" to a stable of various types.

Anyway, I'm just wondering if anybody has done this particular mod before, & has any tips. Presumably I could work it out from first principles using the schematics (available here on LDDb), but I always like to hear from someone with experience. Likewise, as I believe one of the clones of this model (Runco? MSB?) had AC-3 as sold, photos of the relevant circuitry could be most useful.
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 Post subject: Re: LX-900 AC-3 modification?
PostPosted: 20 Nov 2015, 14:47 
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Mine was modded by Kurtis a while back. You could see if he's willing to share some info. Otherwise I could open mine up, find the tap points and draw a circuit diagram based on what's installed.

The LJR-I and II had separate audio boards that I believe pulled in the RF and +5V and did everything on there.
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