Sony BVE-700A Maintenance Manual page 192

1
RB4700
100k
001 PBUSOUT41
001 PBUSOUT42
001 PBUSOUT43
001 PBUSOUT44
001 PBUSOUT45
001 PBUSOUT46
001 PBUSOUT47
2
001 PBUSOUT48
WITH_CPU_CARDn
023,024,028,029
3
4
5
A B
OUT-28B (24/29)
+3.3V
RB4701 RB4702
100k
IC4700
74LCX245MTCX
+3.3V
0.01uF C4700
0.1uF C4701
GND
20
18
2 VCC
A0 B0
3 17
A1 B1
4 16
A2 B2
5 15
B3
A3
6 14
A4 B4
7 13
A5 B5
8 12
A6 B6
9 11
A7 B7
19
OE
1
T/R
GND
10
GND
GND
023,024,028,029
C
OUT-28B (24/29)
SUFFIX: -12 SUFFIX: -12
+3.3V
RB4703
100k 100k
1 2 CPLD_WE1n
CPLD_WEn
3 4
CPLD_RDn
RB4704 22 5 6
7 8 CPLD_CSAn
CPLD_CSBn CPLD_RDn
1 2
3 4 CPLD_CSCn
CPLD_CSDn
RB4705 22 5 6
CPLD_CSPLDn
7 8
+3.3V
GND
CPLD_WE1n
CPLD_WEn
CPLD_RDn
CPLD_CSAn
CPLD_CSBn
CPLD_CSCn
CPLD_CSDn
CPLD_CSPLDn
WITH_CPU_CARDn
GND
6-78 6-78
D E
IC4701
74LCX245MTCX
+3.3V
0.01uF C4702
0.1uF C4703
GND
20
2 VCC 18
A0 B0
3 17
B1 R4700
A1
4 16 22
A2 B2 ALT_RDn
5 15
A3 B3
6 14
A4 B4
7 13
A5 B5
8 12
A6 B6
9 11
A7 B7
19
OE
1
T/R
GND
10
GND
GND
NM
IC4702
74LCX245MTCX
+3.3V
0.01uF C4704 NM
0.1uF C4705 NM
20 GND
2 VCC 18
CPU_WE_1
A0 B0
3 17 CPU_WE
A1 B1
16
4 CPU_OE
A2 B2
5 15 CPU_CS_A
A3 B3
6 14
CPU_CS_B
A4 B4
7 13 CPU_CS_C
B5
A5
8 12 CPU_CS_D
A6 B6
9 11 CPU_CS_PLD
A7 B7
19
OE
1
T/R
GND
10
GND
F
CPLD_CTL_BUS 020
011,012
CPU_CTL_BUS
020,026,027,029
CPU CTL BUS
OUT-28B (24/29)
BOARD NO. 1-862-041-12
BKE-701A_OUT-28B_001_24
BVE-700A
G H