Schematic Diagram - D_Video Board (2/10) - Sony STR-DA4300ES Service Manual

6-55. SCHEMATIC DIAGRAM – D_VIDEO Board (2/10) –
1 2
A
B
C
D
E
F
CE
WE
DGND
G
11
A
+3.3V
D_VIDEO
BOARD
LB
(1/10)
UB
(Page 78)
OE
DIR
XOE
H
(Page 81)
12
YAMAHA_A[0-2],YAMAHA_D[0-7]
D_VIDEO
BOARD
(4/10)
STR-DA4300ES
• See page 110 for IC Block Diagrams.
3 4
D_VIDEO BOARD (2/10)
IC3611
1
A[4] 2
A[3]
3
A[2]
4
A[1]
RB3618 5
33
6
7
D[0]
D[1]
8
D[2]
D[3] 9
RB3619
10
33
11
C3724
0.1
12
13
D[4]
D[5]
14
D[6]
15
D[7]
RB3620
16
33
17
18
A[17]
A[16]
19
A[15]
A[14] 20
RB3621
21
33
A[13]
22
R3736
33
C3722 C3723
FB3604
10 0.1
5 6 7
S-RAM
RB3622
IC3611
33
IS61LV12816L
44
A4 A5
A3 A6 43
42
A2 A7
41
A1 OE
40
A0 UB
39
CE LB
RB3623
33
38
I/O0 I/O15
37
I/O1 I/O14
I/O2 I/O13 36
35
I/O3 I/O12
C3738
34
VCC GND
0.1
33
GND VCC
RB3624
33
32
I/O4 I/O11
31
I/O5 I/O10
30
I/O6 I/O9
I/O7 I/O8 29
28
WE NC
RB3625
33
27
A16 A8
26
A15 A9
A14 A10 25
24
A13 A11
23
A12 NC
79 79
8 9
IC B/D
IC3619
BUFFER
IC3619
TC74LCX245FK(EL)
1
DIR VCC
2
A1 XOE
3 A2 B1
A[5] A[0]
4
A3 B2
A[6]
5
A[7] A4 B3
A[8] A[1]
6 A5 B4
7 A6 B5
A[2]
8
A7 B6
9
A8 B7
10 GND B8
D[15]
C3958
D[14]
C3959
D[13]
D[12]
IC B/D
IC3620
BUFFER
D[11] IC3620
TC74LCX245FK(EL)
D[10]
1
D[9] DIR VCC
D[8] D[8]
2
A1 XOE
D[9]
3 A2 B1
D[10]
4 A3 B2
A[9] D[11]
5
A4 B3
A[10]
D[12]
6
A[11] A5 B4
A[12] D[13]
7 A6 B5
D[14]
8
A7 B6
D[15]
9
A8 B7
10 GND B8
STR-DA4300ES
10 11
R3973
10k
20
19
18
17
YAMAHA_A[0]
16
15
YAMAHA_A[1]
14
13
YAMAHA_A[2]
12
11
0.1
0.1
20
19
YAMAHA_D[0]
18
YAMAHA_D[1]
17
YAMAHA_D[2]
16
YAMAHA_D[3]
15
YAMAHA_D[4]
14
YAMAHA_D[5]
13
YAMAHA_D[6]
12
YAMAHA_D[7]
11