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Topic: Wiring into sound system
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Brad Miller
Administrator
Posts: 17775
From: Plano, TX (36.2 miles NW of Rockwall)
Registered: May 99
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posted 10-16-2004 02:18 PM
Brandon, do you know how to connect an RCA audio cable to the CP55? I'm going to guess you don't since you are not familiar with XLR jacks, so rather than to have this keep going and going, here is the simple answer in the most basic description.
Go to Radio Shack and buy a generic "RCA stereo patch cord". Cut one end off. Strip about 1.5 inches of the shielding from one of the wires. Inside you will find tiny wires surrounding another wire inside it, in it's own shield. Pull the surrounding wires together and away from the internal wire. Now strip about 1/2 inch from that internal wire. Repeat for the other wire.
Connect the left inside wire (on Radio Shack cables this is denoted by the white connector) to the AUX L screw terminal. Connect the right inside wire (red) to the AUX R screw terminal. Assuming you are only feeding the system left and right, you are done. If you have a 5.1 output, then get another stereo wire and use one side of it to connect the center output of the DVD player to AUX C and the other side to pick one of the surround channels from the DVD player and connect it to the AUX S terminal. Now you're not done yet...connect all of the outer wires and tie them to the screw terminal that looks like an upside down triangle made up of 3 horizontal lines. NOW you are done. (No subwoofer or split surrounds can be easily had from a generic CP55 unless it has been modified.)
Don't use the MAG input. It will only complicate things more. Just use the AUX inputs.
I am recommending you follow this procedure, because although you could run the signal through the non-sync inputs to achieve matrix decoding, you may find that you have distortion in the sound or have to make internal adjustments to the cards, and then you could end up having to make more adjustments to get your normal non-sync back. This is the simplest way without fear of screwing things up.
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Rich Ferrando
Film Handler
Posts: 64
From: Royal Oak, MI
Registered: Nov 2003
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posted 10-16-2004 07:44 PM
This brings up a question that I can't seem to find an answer to in the Smart processor manuals. I've had to rig our system for input from DVD players several times in the past, and usually I just force the renters to bring a mixer, and I hook the master outs directly to the XLR-ins on our Left-Right amp, but there has been the occasion (usually with my own stuff, just because I like to be difficult) where I've wired the amps to receive a 6-channel mix. This is usually done in my jury-rigged way (I own one 4-channel mixer and one stereo compressor/limiter with level controls, and have a complicated rigging that routes the 5.1 analog outputs from the DVD player through these devices and to the amps, just so I can control the output level- I always have great fear of blowing the speakers) which is a big pain in the vrump.
It would, of course, be much easier if I hooked it up to the Digital input barrier strip terminal on our Smart Mod V, but I have no idea what the maximum input voltage is, as this information is not in the manual we have. I know that the DVD player I have (and most others if I'm not mistaken) output at 2-volts line level.
Anybody know what the input voltage needs to be in order to avoid overloading the processor?
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