Yamaha AW4416, Руководство по обслуживанию

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AW4416
MAX202CSE (XP113A00)
RS-232C Transceiver
SUB-CPU: IC201
Not to be used
(N.C.)
"H" : ENABLE
"L" : DISCONNECT
EN
SCSI LINE 15
SCSI LINE 16
SCSI LINE 17
SCSI LINE 18
GND
GND
1 25
2 24
3 23
4 22
5 21
6 20
7
8 19
TSD
VM
SCSI LINE 14
SCSI LINE 13
SCSI LINE 12
SCSI LINE 11
GND
SCSI LINE 10
SCSI LINE 2
SCSI LINE 1
SCSI LINE 3
SCSI LINE 4
SCSI LINE 5
V
DD1
9 18
10 17
11 16
12 15
13 14
SCSI LINE 9
SCSI LINE 8
SCSI LINE 7
SCSI LINE 6
V
DD1
POW
POW
(PUSH-PULL)
110
Ω
Resistors
POW
(PUSH-PULL)
(PUSH-PULL)
POW
2.85V GENERATER
2.85V
SUPPLY
MODE
CONTROL
TSD
to SW
POW
(PUSH-PULL)
POW
(PUSH-PULL)
POW
(PUSH-PULL)
POW
POW
BH9595FP-Y
BH9595FP-Y (XV617A00)
SCSI Terminator
MAIN: IC821
1
2
3
4
5
6
7
8
9
10
13
12
11
T3 OUT
T1 OUT
T2 OUT
T2 IN
T1 IN
GND
Vcc
C1+
V+
C1–
20
19
18
17
16
15
14
T4 OUT
T5 IN
N.C.
SHDN
T5 OUT
T4 IN
T3 IN
V–
C2–
C2+
+
+
+5V INPUT
0.1uF
0.1uF
6.3V
+
0.1uF
16V
0.1uF
6.3V
9
13
2 5
8
10
V+
V–
Vcc
+5V TO +10V
VOLTAGE DOUBLER
+10V TO –10V
VOLTAGE INVERTER
C1+
C1–
C2+
C2–
+
0.1uF
16V
11
12
+
+5V
400K
T1
T1 OUT T1 IN
3 4
+5V
400K
T2 OUT T2 IN
1 14
+5V
400K
T3 OUT T3 IN
20 15
+5V
400K
T4 OUT T4 IN
16
17
19
6
18
+5V
400K
T5 OUT T5 IN
SHDN
GND
N.C.
RS-232
OUTPUTS TTL/CMOS
INPUTS
T2
T3
T4
T5
7