XES-Z50 (serv.man3) - Sony Car Audio Service Manual (repair manual). Page 109

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IC932
CXK516100TM-70LL-TL
LEVEL
SHIFT
&
BUFFER
MEMORY
MATRIX
512 x 1024
ROW
DECODER
I/O GATE
COLUMN
DECODER
I/O
BUFFER
PRE
DECODER
I/O3
MEMORY
MATRIX
512 x 1024
I/O GATE
COLUMN
DECODER
I/O
BUFFER
CONTROL
1
2
3
4
5
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10
20
19
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11
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I/O13
I/O4
I/O2
I/O1
A4
A3
A2
A1
A0
CE
VCC
GND
I/O5
I/O6
I/O7
I/O8
WE
A15
A14
A12
A13
NC
A11
I/O14
I/O15
I/O16
LB
UB
OE
A5
A6
A7
GND
VCC
I/O12
I/O11
I/O10
I/O9
A8
A9
A10
NC
NC
LEVEL
SHIFT &
BUFFER
– OPEN/CLOSE  2  Board –
IC11
TA7291P
REGULATOR
PROTECT
CIRCUIT
1
2
3
4
5
6
7
8 9 10
GND
OUT1
NC
VREF
IN1
IN2
VCC
VS
NC
OUT2
DRIVER
CIRCUIT
DRIVER
CIRCUIT
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