Sony XES-Z50 Service Manual page 110

IC932 CXK516100TM-70LL-TL
A4
1
A3
2
A2
3
A1
4
A0
5
CE
6
I/O1
7
I/O2
8
I/O3
9
I/O4
10
VCC
MEMORY
11
MATRIX
GND
12
512 x 1024
I/O5
13
I/O6
14
I/O7
15
I/O GATE
I/O8
I/O
16
COLUMN
BUFFER
DECODER
WE
17
A15
18
A14
19
A13
20
A12
21
22 NC
– OPEN/CLOSE 2 Board –
IC11 TA7291P
DRIVER
REGULATOR
CIRCUIT
DRIVER PROTECT
CIRCUIT CIRCUIT
1 2 3 4 5 6 7
LEVEL
SHIFT
& CONTROL
BUFFER
MEMORY
ROW
MATRIX
DECODER
512 x 1024
I/O GATE
PRE
COLUMN
DECODER
DECODER
LEVEL
SHIFT &
BUFFER
8 9 10
A5
44
A6
43
A7
42
OE
41
UB
40
LB
39
I/O16
38
I/O15
37
I/O14
36
I/O13
35
GND
34
VCC
33
I/O12
32
I/O11
31
I/O
I/O10
BUFFER
30
I/O9
29
NC 28
A8
27
A9
26
A10
25
A11
24
NC 23
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