Yamaha DSP-A2 Owner's Manual page 22

PREPARATION
Connecting an external decoder of a future format to this unit
This unit is equipped with additional 6-channel audio signal
input terminals (for left main, right main, center, left rear
surround, right rear surround and subwoofer channels) for
inputting signals from an external decoder of a future format to
this unit.
To listen to a sound by reproducing signals input to these
terminals, press the EXT. DECODER button on the front panel
so that "EXT. DECODER IN" appears on the display. By doing
so, the signals input to these terminals are sent to the
corresponding SPEAKERS terminals and OUTPUT terminals
of this unit.
External decoder
CENTER
OUT
20
MAIN OUT
SURROUND OUT
SUBWOOFER
OUT
Notes
When signals input to these terminals are selected, the
digital sound field processor cannot be used.
The settings of "1A" to "1E" in the SET MENU mode have
no effect on the signals input to these terminals. The setting
of "1F. MAIN LEVEL" is effective. (Refer to pages 26 to 27
for details.)
The adjustments of the output level of the center speaker,
rear speakers and subwoofer are effective when the signals
input to these terminals are selected as the input source.
(Refer to pages 43 to 44 for details.)
GND
AUDIO SIGNAL
PHONO
DIGITAL
RF SIGNAL 1
DVD/LD
CD
3
CD
IN
COAXIAL
( PLAY )
OPTICAL TAPE/MD
4
CD
OUT
( REC )
MAIN
IN
(PLAY)
SURROUND
TAPE/MD
OUT
(REC)
DVD/LD
SUB WOOFER CENTER
EXTERNAL DECODER INPUT
TV/DBS
DIGITAL SIGNAL
(Europe model)
AUDIO SIGNAL VIDEO SIGNAL
VIDEO
S VIDEO
DVD/LD DVD/LD
TV/DBS TV/DBS
IN IN
VCR 1 VCR 1
OUT OUT
IN IN
VCR 2 VCR 2
OUT OUT
2
TUNER
S VIDEO
MONITOR
OUT
VIDEO