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INPUT SELECT
INPUT VOLUME
Vacuum Fluorescent Display
1
2
3
4
5
6
7
8
OUTPUT CH SEL
OUTPUT VOLUME PARAMETER ESC/BACK
UTILITY
ENTER
MEMORY
ON/OFFON/OFF
POWER
SLOT#1
MIXOUT
ADC
#1
#8
DAC
L
DSP
R–>V
CONVERT
REMT-VOL1
REMT-VOL2
RS232
MODE SW
MATRIX/MIXER
CONTROL
INPUT
CONTROL
OUTPUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
H
E
H
E
CI1
CI2
CI3
CI4
E
CO1
CO2
CO3
CO4
E
DI1
DIS1
COM
LOW
HIGH
DI2
DIS2
COM
LOW
HIGH
DI3
DIS3
COM
LOW
HIGH
DI4
DIS4
COM
LOW
HIGH
EEPROM
SDA
SCL
CPU
DI1
DI2
DI3
DI4
DI1
DI2
DI3
DI4
DI1
DI2
DI3
DI4
TXDM8
RXDM8
SDA
SCL
DOUT
AB
CD
EF
GH
R
ADC
#2
#7
ADC
#3
#6
ADC
#4
#5
SLOT#2
MIXOUT
SLOT#3
MIXOUT
SLOT#4
MIXOUT
SLOT#5
MIXOUT
Dout 1
Dout 2
Dout 3
Dout 4
Dout 1
Dout 2
Dout 3
Dout 4
Dout 1
Dout 2
Dout 3
Dout 4
SLOT#6
MIXOUT
AIN
AIN
AIN
AIN
AIN
AIN
DIN
DIN
DIN
DIN
AIN
AIN
SLOT#7
MIXOUT
SLOT#8
MIXOUT
TXD
RXD
LPF
LPF
VOLUME
CONTROL
TXD
SDA
SCL
RXD
CONTROL I/O
INPUT SELECT SIGNALS
KEY&DISPLAY CONTROL
RXD
TXD
MODE
232RXD
232TXD
A-9060DH/9120DH
POWER SUPPLY
AC IN
MAIN_TRANS
+64 V
–64 V
POWER AMP
SUB_TRANS (EXCEPT M-9000)
+24 V
–24 V
ANALOG
+6 V DSP/AD/DA
+3.3 VBU CPU
–30 V
AC5 V VFD
AC5 V
PREOUT-1
Hot
Cold
Earth
PREOUT-2
Hot
Cold
Earth
NE5532
NE5532
M-9000
NE5532
PRE
OUT-1
PWR
AMP IN-2
BTL
POWER
AMP
BTL
POWER
AMP
SPEAKERS
70 V
1
(+)
(–)
(+)
(–)
FAN
FAN CONTROL
RELAY
NE5532
PRE
OUT-2
PWR
AMP IN-2
RELAY
+ –
VOLUME
70 V
2
18. BLOCK DIAGRAM