Sony HCD-SR1 Service Manual page 101

QQ
3 7 63 1515 0
IC703
A OUTPUT
A-INPUT
A+INPUT
TE
L 13942296513
IC706
50
VDD
1
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NJM3404AV (TE2)
1 8 V+
2 A 7 B OUTPUT
3 B 6 B-INPUT
V- 4 5 B+INPUT
M51V18165M-60TS-KR1
49 48 47 46 45 44 43 42 41
OUTPUT INPUT
BUFFER BUFFER
OUTPUT INPUT
BUFFER BUFFER
VCC
2 3 4 5 6 7 8 9 10
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8
IC704 TK11125CSCL-G
1
VCONT
Q Q
3 6 7 1 3
NC
40 – 36
35 34 33
TIMING
GENERATOR
I/O
CONTROLLER
I/O
CONTROLLER
SENSE
AMPLIFIER
MEMORY
CELLS
ON CHIP
VBB GENERATOR
ON CHIP
IVCC GENERATOR
11 – 16 17 18
NC
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.
HCD-SR1/SR2/SR3
2 9 9 4 2 8
VIN VOUT
5
OVER HEAT &
CONTROL
OVER CURRENT
CIRCUIT
PROTECTION
BANDGAP
REFERENCE
2 3
GND NP
1 5 0 5 8 2 9 9 4
32 31 30 29 28 27 26
REFRESH INTERNAL
CONTROL ADDRESS
CLOCK
COUNTER
ROW
COLUMN
ADDRESS
ADDRESS
BUFFERS
BUFFERS
COLUMN
DECODERS
WORD ROW
DRIVERS DECODERS
VDD
VDD VDD
19 20 21 22 23 24 25
m
co
9 9
4
2 8 9 9
23