Toa M-864D - 25 Block Diagram

54
25. BLOCK DIAGRAM
Analog Digital Analog
ST2 INPUT (FRONT)
ST/MONO ST/MONO
A/D
HA
A/D
HA
STEREO INPUT 1-A
–10 dB
*
L R
STEREO INPUT 1-B
–10 dB
*
L R
SIGNAL
GREEN
RED
SIGNAL
GREEN
RED
STEREO INPUT 1-C
–10 dB
*
L R
STEREO INPUT 2-B
–10 dB
*
L R
STEREO INPUT 2-C
–10 dB
*
L R
STEREO INPUT 2-A
–10 dB
*
1 2 3 4
ST
1 2 3 4
ST
L R
FADER PC VOL EXT VOL
CPU CONTROL
A/D
HA
A/D
HA
SIGNAL
GREEN
RED
SIGNAL
GREEN
RED
FADER PC VOL EXT VOL
TRIM
CPU CONTROL
TRIM
TONE TONE TONE TONE
REC OUT L
–10 dB
*
1 2 3 4
PC
LA
D/A
EXT VOL
REC OUT
VOL
PC VOL
EXT VOL
REC OUT
VOL
PC VOL
1 2 3 4
BUS
OUTPUT 1
+4 dB
*
MONO INPUT 1 +4 dB
*
to –56 dB
*
+24V
CPU CONTROL
PAD
TONE FBS
A/D
SIGNAL
RED
GREEN
1 2 3 4
EBA
PHANTOM
POWER
FADER PC VOL EXT VOL
PEQ
SIGNAL
RED
GREEN
ARC
D/A
LA
PC
GAIN
CPU CONTROL
HPF
(0 dB to 42 dB)
ON OFF
(–16 dB)
MONO INPUT 8 +4 dB
*
to –56 dB
*
+24V
CPU CONTROL
PAD
TONE FBS
A/D
SIGNAL
RED
GREEN
1 2 3 4
EBA
PHANTOM
POWER
FADER PC VOL EXT VOL
GAIN
HPF
(0 dB to 42 dB)
ON OFF
(–16 dB)
FADER PC VOL EXT VOL
OUTPUT 2
+4 dB
*
PEQ
RED
GREEN
ARC
D/A
LA
PC
FADER PC VOL EXT VOL
OUTPUT 3
+4 dB
*
PEQ
RED
GREEN
ARC
D/A
LA
PC
FADER PC VOL EXT VOL
OUTPUT 4
+4 dB
*
PEQ
RED
GREEN
ARC
D/A
LA
PC
REC OUT R
–10 dB
*
*
0 dB = 0.775 V
1 2 3 4
PC
LA
D/A
FADER PC VOL EXT VOL