Sony MKS-8080 Maintenance Manual page 61

001 ADDRESS
001 VS-BUS
IC14 (3/5)
IC16 (4/7)
TC74VHC08F(EL)
TC74VHC04F(EL)
9 8
001 RS422RXD
9
001 RS422OE
10
001 RS422TXD
001 RS422DIR
001 A5
001 DATA
001 RS232CTX
001 RS232CRTS
001 RS232CRX
001 RS232CCTS
MKS-8080/8082
A B
ADDRESS
Q5
Q4
2SC2412K-T-146-QR
2SC2412K-T-146-QR
R225
R228
4.7k
4.7k
IC37
TERM
MAX489CSD-TE2
S201
6 7
1 2
GND
+5V
GND1 GND2
3 4
RE B
3 R226
11
GND
100k
VSBUS
RO A
2
12 1.8k
R239
8
DE Z R231
R235 R237
4 10
330 330 330
R240
1.8k
DI Y
5 VCC 9
R227
100k
C205 +5V
14
0.1uF
GND
IC38
MAX489CSD-TE2
6 7
GND R229 GND
R241
100k
GND1 GND2
1.8k
RE B
3 11
R238 R232 R236
R224
330 330 330 10k
RO A
2 12
R242
1.8k
DE Z
4 R230
10
100k
DI Y
+5V
5 VCC
9
C210 +5V
14
0.1uF
R233
R234
4.7k
4.7k
Q6
Q7
2SC2412K-T-146-QR 2SC2412K-T-146-QR
DATA
C
CPU-323 (2/3) CPU-323 (2/3)
SUFFIX: -12, 13 SUFFIX: -12, 13
A10
A6
A5
A4
A3
A2
A1
A0
3 CN3
RXD(+) (3/9)
(EMC)
R223
10k
CN3 (8/9)
RXD(-) 8
FL1
WR1
FL2
CN3
TXD(-) 2 (2/9)
TXD(+) 7 CN3 (7/9)
RB206
1k
FRAM-GND 1 CN3 (1/9)
D7
CN3 (4/9)
RXD-COM 4
D6
5 CN3 (5/9)
NC
D5
CN3 (6/9)
TXD-COM 6
D4
CN3 (9/9)
FRAM-GND 9
D3
GND
D2
D1
D0
RD1
+5V
C211 0.1uF C206 0.1uF
GND
2 16
11 V+ VCC 14
T1IN T1OUT
7
10
T2IN T2OUT
13
12
R1OUT R1IN
8
9
R2OUT R2IN
1 4
C1+ C2+
C207
C208
0.1uF
0.1uF
3 5
C1- C2-
V- GND
6 15
IC36
MAX202CSE-T
C212
GND
0.1uF
5-3 5-3
D E
+5V
C200
0.1uF IC9
TC74VHC541F(EL)
20
GND
FB201
2 Vcc 18
Y1 A10
A1
3 17 FB202
A2 Y2 A5
FB203
4 16
A3 Y3 A5
5 15 FB204
A4 Y4 A4
FB205
6 14
A5 Y5 A3
7 FB206
13
A6 Y6 A2
8 12 FB207
A7 Y7 A1
FB208
9 11
A8 Y8 A0
1
G1
19
G2
GND
GND
10
IC10
+5V GND
C201
TC74VHC541F(EL)
0.1uF
20
GND
FB209
A5 2 Vcc 18
A1 Y1 A5
FB210
3 17
A2 Y2 FL1
4 16 FB211
A3 Y3 WR
FB212
5 15
A4 Y4 FL2
FB213
A9 6 14
A5 Y5 A9
7 13 FB214
A8
A6 Y6 A8
8 12
A7
Y7
9 11
A8 Y8
1
G1
19
G2
+5V
GND
GND
10
GND
+5V C202
IC11
0.1uF
TC74VHC245F(EL)
D7
GND
20
37 38
2 VCC 18 FB215
A1 B1
FB216
3 17
B2
A2 D6
4 16 FB217
A3 B3 D5
FB218
5 15
A4 B4 D4
14 FB219
6
A5 B5 D3
7 13 FB220
A6 B6 D2
FB221
8 12
B7 D1
A7
9 11 FB222
A8 B8 D0
19
G
1
GND
DIR
GND
10
RB205
GND
1k
+5V
+5V
R243
10k
DCD
RXD
TXD
DTR
GND
GND
DSR
RTS
CTS
NC
CPU-323 (2/3)
BOARD NO. 1-678-829-12, 13
MKS-8080
MKS-8082
F G
1
20 (20/36) CN1
19 (19/36) CN1
(18/36) CN1
18
17 (17/36) CN1
(16/36) CN1
16
15 (15/36) CN1
14 (14/36) CN1
13 (13/36) CN1
2
(26/36) CN1
26
(25/36) CN1
25
(24/36) CN1
24
(23/36) CN1
23
(22/36) CN1
22
(21/36) CN1
21
3
(36/36) CN1
36
(35/36) CN1
35
(34/36) CN1
34
(33/36) CN1
33
(32/36) CN1
32
(31/36) CN1
31
(30/36) CN1
30
(29/36) CN1
29
4
CN5
1
2
3
4
5
6
7
8
5
9
(EMC)
H