Dolby Laboratories UEX/650 Installationsanleitung Handbuch - Seite 6

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4
Connections
With the Cat. No. 790 board installed, all surround channels appear at the Option
Card I/O connector on the rear panel of the CP650. You must move the Left
Surround (Ls) and Right Surround (Rs) channel output wiring from the Main Audio
Output connector to this connector. Do not use the Ls and Rs outputs on the main
audio output connector. Additionally, install the wiring for the new Back Surround
channel amplifiers.
The digital audio inputs on the Cat. No. 790 can accept up to four two-channel PCM
(pulse-code modulated) bitstreams. Each bitstream contains the data for two channels
of PCM audio. Sampling rates of up to 48 kHz—with up to 24-bit resolution—are
accommodated. This bitstream format can be found on the digital output connector of
a CD player, DAT recorder, DVD player, or any basic piece of digital audio
equipment.
Make connections by soldering the appropriate wires to the male solder-cup
connector shipped with the upgrade kit.
Note: When wiring to the digital inputs, be sure to ground all unused inputs. Failure
to do so will cause unused channels to show signal, due to crosstalk between
the used digital inputs and the unused digital inputs.
S/PDIF Digital Inputs
4
3
2
1
Signal
black
Gnd
red
Left
Surround
Signal
black
Right
red
Gnd
Surround
®
Dolby
UEX/650 Upgrade Kit Installation Instructions
MAIN AUDIO OUTPUT
1
14
21
13
7
2
1
X
black
10
red
23
black
11
red
24
Figure 4 CP650 Outputs to Power Amplifiers
OPTION CARD I/O
13
13
25
25
21
{
6
1
14
black
Signal
3
black
red
Gnd
red
16
black
Signal
6
black
red
Gnd
red
19
black
Signal
10
black
red
Gnd
red
23
black
Signal
11
black
red
Gnd
red
24
For unbalanced input amplifier
one channel shown
Signal
red
red
Gnd
black
black
Back
Surround
Left
Back
Surround
Right
Left
Surround
Right
Surround
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