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sjoerg
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Post subject: Re: AC-3 setup problem Posted: 09 Aug 2017, 17:17 |
True fan |
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Joined: 24 May 2016, 01:40 Posts: 297 Location: NY USA Has thanked: 18 times Been thanked: 29 times
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I think it should auto detect if hooked up correctly, make sure you have the amp set on channel that corresponds with digital input the apd-1 is connected to. You should not be selecting any analog channels on the player, that will play the analog mono track, not ac-3 As said make sure you're converter is working. here's some info: http://home.q03.itscom.net/nsa/YamahaAPD-1.htm
_________________ -LD Collection
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signofzeta
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Post subject: Re: AC-3 setup problem Posted: 09 Aug 2017, 17:22 |
Jedi Knight |
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Joined: 14 Jan 2010, 09:44 Posts: 6010 Location: Ann Arbor Has thanked: 1307 times Been thanked: 1118 times
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The AC-3 jack is always active. As long as there is an AC-3 disc in the player, currently spinning, it's putting out AC-3*. You can't select anything, on any LD player, just plug it into the demod. It will convert the RF to the entire 5.1 DD, over SPDIF or descrete channels like my HK ADP303.
On the receiver you select whatever input your demod is hooked to and anything made that can see 5.1 will see it.
If this doesn't work there is a problem, I think it's usually the demod's fault but that's pretty rare too.
FYI, to save licensing costs there is zero actual Dolby Digital technology in a LD player, not even the logo, except DVD combo units and they still only output DVD DD. All it does is give you a breakout to one weird section of the FM waveform, thereby letting you access an AC-3 encoded version of a compresssd 5.1 digital signal. That signal "happens" to be DD but it could be other things, technically, so the player just says "AC-3" on it instead of Dolby Digital. This way the price of the player barely changed and only the people actually watching things in 5.1 would pay for it, by way of Dolby fees on the discs and the demodulator chips in the receivers and demods.
* In the same way, the SPDIF/TOSLINK on an LD player is always playing the Digital tracks, as long as they are there on the disc. The Analog outs can either player the Analog tracks or play a DAC-ed version of the Digital track. Most of us here have three separate signals going from our players to our receiver.
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admin
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Post subject: Re: AC-3 setup problem Posted: 10 Aug 2017, 06:26 |
Site Admin |
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Joined: 07 Aug 2002, 23:37 Posts: 4569 Location: Tokyo Has thanked: 300 times Been thanked: 1166 times
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heed1969 wrote: 1. Manual doesn't state how to use the AC-3 option via remote or actual unit? 2. When selecting the right analog track, the on screen displays states ' analog stereo - 1/L only when analog 2/R is selected. 3. All the above is connected to my Yamaha RX-V765 amp and still no sound? 4. Yamaha APD-1 de modulator light does not light up!
Everybody quickly jumped to the rescue but let me summarize: No remote for the APD-1, just power it up and connect the "AC3RF out" of your player to the "AC3RF in" of the APD-1. The moment an AC3RF signal is detected, the "DEMODULATE" led will lit on like this: Then if you plug either via Coax or Toslink to your A/V Amp, it will detect an Dolby Digital signal and process it normally. No need to select any specific sound channel on your player. Julien
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rein-o
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Post subject: Re: AC-3 setup problem Posted: 13 Aug 2019, 17:40 |
Jedi Master |
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Joined: 03 May 2004, 19:05 Posts: 8119 Location: Dullaware Has thanked: 1228 times Been thanked: 851 times
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heed1969 wrote: Sorry for the long delay. Unit was Dead!!!! Got a UK unit instead. Will Keep faulty unit for spares. Again Thank you all. Shame, sorry to hear that. Hope you could even figure out the caps to replace as it looks pretty simple inside, unless a chip is burnt that you can't physically see.
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