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A
B
C
DA824 OVERALL CIRCUIT DIAGRAM 1/3 (MAIN,MYSL)
1
MYSL
2
3
4
5
6
7
8
9
10
Note : See parts list for details of circuit board
component parts
11
: Ceramic Capacitor
: Metal Film Resistor
: Mylar Capacitor
: not installed
12
DA824
A
B
C
D
E
F
G
SLOT
KEC-92534-3
to DC-CN008
MAIN
TRANSCEIVER
TRANSCEIVER
TRANSCEIVER
TRANSCEIVER
TRANSCEIVER
LINER DRIVER/
COM
RECEIVER
(RS422)
WORD CLOCK
IN
LINER RECEIVER
OFF
75Ω
ON
D
E
F
G
H
I
J
INVERTER
AND
CPU
TRANSCEIVER
DATA SELECTOR
H
I
J
K
L
M
SYSTEM RESET
SRAM 256K
to IC917 - 12pin
D-FF
INVERTER
OR
SRAM 256K
FLASH ROM 8M
D-FF
DECODER
DECODER
1.2K(F)
0.082
TRANSCEIVER
DIR2
1.2K(F)
0.082
DIR2
LINE
DRIVER
from IC914 - 9pin
K
L
M
N
O
P
Q
DA824
to DC-CN010
to PN-CN960
to DA-CN003
WORD CLOCK
THRU
KEC-92534-2
1
DA824
N
O
P
Q
1
2
3
4
5
6
7
8
9
10
11
12
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