Sony MSU-750 Maintenance Manual page 61

from REAR PANEL
CN302 (7/12) 7 COM1_TVD+
CN302 (8/12) 8 COM1_TVD-
CN302 (9/12) 9 DATA_GND
CN302 (10/12) 10 COM1_RVD+
CN302 (11/12) 11 COM1_RVD-
CN302 (12/12) 12 DATA_GND
CN302 (1/12) 1 COM2_TVD+
CN302 (2/12) 2 COM2_TVD-
CN303 (11/50) 11 3
EXT_I/O_12 CN302 (3/12) DATA_GND
CN303 (48/50)
48 GND(+5V)
CN302 (4/12) 4 COM2_RVD+
+5V
CN303 (36/50)
36 EXT_I/O_32 CN302 (5/12) 5 COM2_RVD-
CN303 (24/50)
24 +12V_OUT CN302 (6/12) 6 DATA_GND
CN303 (12/50)
12 EXT_I/O_13
CN303 (49/50) 49 +12V_OUT
+12V
CN303 (37/50)
37 EXT_I/O_33
CN303 (25/50)
25 GND(+12V)
CN303 (13/50) 13 EXT_I/O_14
CN303 (50/50)
50 GND(+12V)
MSU-750 MMP2
I J
CPU-286 (4/6)
IC301(3/3)
SN75158PS-E20
+5V-2 +5V
L304
100uH
VCC
C311 C312
0.1uF 47uF
GND
25V 10V
+5V
TP306
IC301(2/3)
R301 SN75158PS-E20 R312
10 10k
6
5 TVD
7
R302
+5V
10
PH301 TP307
HCPL-0630-
R303 R308 R307 C313
8
130 6.8k 6.8k 0.1uF
1 VCC
25V
RVD
7
2
C309
33pF
4
RVD
6
3
+3.3V
GND
5
41
VSS7
+5V
42
BREAKA
43
IC301(1/3) CABLEA
SN75158PS-E20 44
R304 R311
PACKETA
10 10k
2 45
3 TVD TDI
1 46
TMS
47
R305
TCK
10 +5V
48
BTVDB
49
TVDB
PH302
50
HCPL-0630-
NTVDB
R306 R310 R309 C315
8 51
130 6.8k 6.8k 0.1uF
VSS8
1 VCC
25V
7 RVD 52
VDD5
C310 2
53
33pF
4 XRVDB
RVD 54
6
RVDB
3
55
GND
XCTSB
56
5 C319
XRTSB
0.1uF
57
25V
BRVDB
58
TCLKB
59
BCLKB
60
VSS9
K
CPU-286 (4/6)
+5V
R315
20
10k
VSS5
19
COM_CLK
CLK
18
VSS4
17 COM_WAIT
XWAIT
16
TEST
15 RD
XRD
14
NC
13 WRL
XWR
12
VDD1
11
IC304 VSS3
10 D7
CXD9093R D7
9 D6
D6
8 D5
D5
7 D4
+5V +5V
D4
6
VSS2
5 D3
D3
R316
4 D2
10k
D2
3 D1
D1
2 D0
D0
1
VSS1
R318
2.2k
5-9 5-9
L M
IC414(2/6)
R317
10k SN74HC04APW-E05
3 4 COM1_CONNECT
IC414(1/6)
SN74HC04APW-E05
1 2 COM0_CONNECT
IC405(5/5)
SN74HC08APW-E05
+5V
C411
VCC
R313 R314 0.1uF
10k 10k 25V
IC404(3/6) IC405(4/5)
GND
SN74HC04APW-E05 SN74HC08APW-E05
5 12
6
11
3 4 13 COM_INT 001-B2
IC404(2/6)
SN74HC04APW-E05
B5
001-AC9, 002-G1,003-B12,
DATA_BUS
005-G10, 006-W5
B1
001-AC9, 002-G1,003-B11,
ADDRESS_BUS
005-G9, 006-W5
B4
001-AC9, 002-G1,003-B12,
CHIP_SELECT
005-G9, 006-W5
B2
001-AC8, 002-G1,003-B11,
CONTROL_BUS
005-G10, 006-W5
B3
I/O_BUS 001-AC8, 002-G2,003-B11,
005-G10, 006-W6
N O
1
2
3
4
5
CPU-286 (4/6)
BOARD NO. 1-674-343-11
LOT NO. 902-
GS-MSU-750_CPU-286_003
P