Sony HCD-SR4W Service Manual page 76

HCD-SR4W
QQ
3 7 63 1515 0
IC703 NJM3404AV (TE2)
A OUTPUT 1
A-INPUT 2 A
A+INPUT 3
V- 4
TE
L 13942296513
IC706 M51V18165M-60TS-KR1
50 49 48 47
OUTPUT
BUFFER
OUTPUT
BUFFER
VDD
1 2 3 4
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76
http://www.xiaoyu163.com
8 V+
7 B OUTPUT
B 6 B-INPUT
5 B+INPUT
NC
40 – 36
46 45 44 43 42 41
I/O
CONTROLLER
INPUT
BUFFER
I/O
CONTROLLER
INPUT
BUFFER
VCC
5 6 7 8 9 10 11 – 16
NC
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y
i
http://www.xiaoyu163.com
8
IC704 TK11125CSCL-G
VIN
5
CONTROL
CIRCUIT
BANDGAP
REFERENCE
1
VCONT GND
Q Q
3 6 7 1 3
35 34 33
REFRESH INTERNAL
TIMING
CONTROL ADDRESS
GENERATOR
CLOCK
COUNTER
COLUMN
ADDRESS
BUFFERS
SENSE COLUMN
AMPLIFIER DECODERS
MEMORY WORD
CELLS DRIVERS
ON CHIP
VDD
VBB GENERATOR
ON CHIP
VDD
IVCC GENERATOR
17 18
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.
2 9 9 4 2 8
VOUT
4
OVER HEAT &
OVER CURRENT
PROTECTION
2 3
NP
1 5 0 5 8 2 9 9 4
32 31 30 29 28 27 26
ROW
ADDRESS
BUFFERS
ROW
DECODERS
VDD
19 20 21 22 23 24 25
m
co
9 9
2 8 9 9