Yamaha AW4416 Service Manual page 98

MAX202CSE (XP113A00)
RS-232C Transceiver
SUB-CPU: IC201
+5V INPUT
0.1uF
+
7
Vcc
8
C1+
0.1uF +5V TO +10V
10
6.3V C1– VOLTAGE DOUBLER
11
C2+
+10V TO –10V
0.1uF
12
VOLTAGE INVERTER
16V C2–
+5V
400K
5
T1 IN T1 OUT
T1
+5V
400K
4 T2 IN T2 OUT
T2
+5V
400K
14
T3 IN T3 OUT
TTL/CMOS
T3
INPUTS
+5V
400K
15 T4 IN T4 OUT
T4
+5V
400K
19
T5 IN T5 OUT
T5
18
N.C.
GND
6
0.1uF
+
9 6.3V
V+
1
T3 OUT
13
V–
0.1uF
+ 2
16V T1 OUT
3
T2 OUT
2
4
T2 IN
5
3
T1 IN
6
GND
1
RS-232
7
Vcc
OUTPUTS
C1+ 8
20
9
V+
16
C1– 10
17
SHDN
BH9595FP-Y (XV617A00)
SCSI Terminator
MAIN: IC821
Not to be used
(N.C.)
"H" : ENABLE
"L" : DISCONNECT
20
T4 OUT
SCSI LINE 15
19
T5 IN
SCSI LINE 16
18
N.C.
SCSI LINE 17
17
SHDN
SCSI LINE 18
16
T5 OUT
15
T4 IN
GND
14
T3 IN
13
V– GND
SCSI LINE 1
12
C2–
SCSI LINE 2
C2+
11
SCSI LINE 3
SCSI LINE 4
SCSI LINE 5
V
AW4416
1 TSD 25
MODE
2 24
CONTROL
EN
POW
3 23
to SW
POW
POW
4 22
5 21
6 20
POW POW
(PUSH-PULL)
(PUSH-PULL)
7
110Ω
Resistors
8 19
POW POW
9 18
(PUSH-PULL) (PUSH-PULL)
10 17
11 16
(PUSH-PULL)
2.85V
SUPPLY
12 15
POW
POW
(PUSH-PULL)
13 14
DD1
2.85V GENERATER
BH9595FP-Y
TSD
VM
SCSI LINE 14
SCSI LINE 13
SCSI LINE 12
SCSI LINE 11
GND
SCSI LINE 10
SCSI LINE 9
SCSI LINE 8
SCSI LINE 7
SCSI LINE 6
V
DD1
57