Roland VS-840 - Page 4

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4
LCD
MIDI IN/OUT
CIRCUIT
PLL
CPU
1
11
1
52
4
22
2
52
4
FADER
M
U
L
T
I
P
L
E
X
FOOT SW
2
4
1
ZIP
DRIVE
16M DRAM
IC31
FLASH
MEM.
IC44
CN4
for VS4S-1
CN2
from VS-840
VS4S-1 BLOCK DIAGRAM
SCSI IF
IC2
IC1
TERMINATER
D-SUB 25
CN2
ENC
LED
SCAN
SW
SCAN
1
2
1
2
DIGITAL
OUT IF
/DA
AD
/DA
AD
GATE
ARREY
DSP
4M DRAM
VS-840/VS-840S
BLOCK DIAGRAM
PEAK
PEAK
PEAK
PEAK
1
3
2
1
3
2
1
3
2
1
3
2
SENS.
GUITAR IN
INPUTS
MASTER OUT
INPUTS
MON/AUX
PHONES
1
3
2
21
22
11
12
21
22
11
12
1
3
2
1
3
2
1
3
2
1
3
2
1
4
2
2
1
3
1 3
2
1 3
2
LEVEL
SELECT
SIGNAL
(OPTICAL)
(COAXIAL)
DIGITAL
OUTPUT
BLOCK DIAGRAM
VS-840/840S
Feb, 1998