Sony HCD-EA20 - Page 63

63
HCD-EA20
IC903 BR24L16F-WE2
IC101,111 NJM4580E(TE2)
– I/O BOARD –
8
VCC
7
TEST
6
SCL
5
SDA
1
A0
2
A1
3
A2
4
GND
ADDRESS
DECODER
SLAVE WORD
ADDRESS REGISTER
DATA
REGISTER
16 K bit EEPROM ARRAY
CONTROL CIRCUIT
POWER SUPPLY
VOLTAGE DETECTION
HIGHT VOLTAGE
GENERATOR
11 bit
8 bit
11 bit
STOPSTART
ACK
1
2
3
4
5
6
7
8
A OUT
A –IN
A +IN
V–
V+
B OUT
B –IN
B +IN
A
B
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10
9
IN1B CTL1 OUT1 GND2 OUT2 OUT3 CTL3 IN3A
IN1A GND1 IN2B VDD CTL2 IN2A GND3 IN3B
Bias Type
Clamp Type
Clamp Type
L
H
L
H
L
H
IC106 NJM2285V-TE2
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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