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In Reply to: HT Receiver connection question posted by FrankC on October 20, 2000 at 16:33:26:
Hi FrankJust recently been through this. I'm not familiar with your Yamaha but a couple of things might help. In the discussion below I am assuming your Yamaha has an inbuilt processor.
(1) Laserdisc output for AC3 is different from the analog & digital outs and is a separate digital output. It it not available from all players but if there, must be fed into a demodulator and then to a digital input of your Yamaha if you want Dolby Digital surround sound. From your post it appears your Yamaha has a built in demodulator so requires the extra input. Our system uses an external Yamaha demodulator which then goes to the processor. Our processor must be switched seperately to this input just as your Yamaha must be selectively switched to that input. If you do not have Dolby Digital laserdiscs then forget about it.
(2) AC3 or DD comes out of the DVD player with the normal digital out. However some DVD players need to be specifically set up to give this output. Check your DVD manual about this.
(3) the audio input for a videorecorder must be analog so the analog out from your Yamaha must be plugged into audio in of your recorder.
(4) Older laserdiscs do not have a digital sound track and only put out an analog signal. This must therefore be connected to an analog input.
So, you have 3 possible outputs from a LD player - analog, digital, AC3. Your Yamaha must therefore be switched between them. Note that your LD & DVD players probably have digital to analog internal processors as well so you have a choice which to use. If you plug the analog out from your DVD player into the Yamaha and switch to it, you will be bypassing the internal Yamaha processor but will not get Dolby Digital surround sound so this is an unattractive option. However if you switch the Yamaha to take the digital output from the DVD player you will be bypassing the DVD processor & using the internal Yamaha unit to get DD multi channel sound. (This assumes your DVD player does not have an inbuilt DD decoder. If it does then it will have mutiple outputs which are better ignored).
You can do the same for the LD player - use its internal processor or bypass it in favour of the one in the Yamaha (normally the preferred option).You will end up with a rats nest of cables, some probably hard to plug in & out because the sockets are so close. Take it a step at a time (DVD player first, then LD player etc, checking the sound each time) & it will work out fine.
Good luck & good listening.
Peace at AA
John
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Follow Ups
- AC3 is different for DVD than for laserdisc - John C. - Aussie 23:32:46 10/20/00 (2)
- Re: AC3 is different for DVD than for laserdisc - Kevin Korom 13:33:30 10/21/00 (1)
- Many Thanks to both of you! - FrankC 09:39:11 10/23/00 (0)
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