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 Post subject: Modified Pioneer CLD-D701 w/ an internal AC3-RF Demodulator
PostPosted: 31 Dec 2016, 06:13 
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Hi everyone,

Thought it was time that I showcase some work I did about 12 yrs ago when I was really serious about maintaining my LD collection and wanted to have an army of players capable of outputting Dolby Digital for today's AV Receivers' that do not have an AC3-RF Input.

Thus, I went on a buying spree back then and purchased four AC3-RF Demodulator boards from BDE Electronics out of Australia. The boards made their way into various machines over time and my plan was to keep moving them into better players as I acquired them. Anyway, this thread is about the conversion I made to my CLD-D701 so here we go w/ some pics......

AC3-RF Output Board

The two boards as connected in the player

The AC3-RF Demodulator w/ RCA jack connection

Coax cable connection on the bottom of the AC3-RF Demodulator

The RCA jack for the new "AC-3 Digital Output"

Of the other three boards I have, one of them is currently inside a Denon LA-3100 units (701 / 702 clones), a third one is waiting for a home inside of a CLD-D703 and the fourth one (just recently removed from a 2nd Denon LA-3100) is going to be stored away for now until I find a new player for it. I plan @ some point to have a set-up w/ a CLD-D703 (modified) and CLD-D704 (stock) that would connect to a Sony SDP-EP9ES as a digital switch box and then connected to a Denon AVR-2808CI. In addition, another set-up I have will also have a similar set-up comprising of two Denon, LA-3100 (one modded w/ just AC3-RF and one w/ AC3-Digital) connected to a Denon, AVD-2000 as a digital switch box and then connected to a Denon AVR-3805. Thus, I'll have two home theaters with a two player set-up that would work in tandem so I won't have to get up and swap discs for the typical two disc movie w/ full Dolby Digital 5.1 compatibility.

Hope you enjoyed the pics.. :) I'll post about my 703 and M90 conversion when I eventually get it done.


Last edited by ldfan on 20 Jul 2018, 03:57, edited 8 times in total.
 Post subject: Re: Modified Pioneer CLD-D701 w/ an internal AC3-RF Demodula
PostPosted: 31 Dec 2016, 14:22 
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Very nice work! The AC3 mod for many of these players really adds value to the viewing/listening experience.
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