Sony HCD-FR1 Service Manual page 103

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• IC Block Diagrams
– DMB08 Board –
IC215 SN74ALVCH16841DGGR
1OE 1 OE
TE
L 13942296513
2
1Q1
1Q2 3
GND 4
1Q3 5
1Q4 6
VCC 7
LATCH
1Q5 8
1Q6 9
1Q7 10
GND 11
1Q8 12
1Q9 13
1Q10 14
2Q1 15
16
2Q2
2Q3 17
GND 18
2Q4 19
2Q5 20
2Q6 21
LATCH
VCC 22
2Q7 23
2Q8 24
GND 25
2Q9 26
2Q10 27
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2OE 28 OE
.
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IC203 BR9040F-WE2
R/B
1
VCC 2
INSTRUCTION DECODE
CS 3
CONTROL AND CLOCK
GENERATOR
SK 4
INSTRUCTION
REGISTER
IC302
56 1LE
LE
VCC 8
1D1
55
1D2
54
GND
53
1D3
52
1D4
51 WP 7
50 VCC
49 1D5
48 1D6
47 1D7
SCL 6
46 GND
45 1D8
1D9
44
1D10
43
SDA 5
2D1
42
2D2
41
2D3
40
GND
39
2D4
38
2D5
37
2D6
36
35 VCC
34 2D7
33 2D8
32 GND
31 2D9
30 2D10
LE 29 2LE
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8
DETECT
SUPPLY
VOLTAGE
HIGH
WRITE
VOLTAGE
DISABLE
GENERATOR
ADDRESS
ADDRESS
8bit
DECODER
BUFFER
R/W
DATA
16bit
AMPS
REGISTER
BR24L16F-WE2
Q Q
3 6 7 1 3
11 bit
ADDRESS
11 bit
DECODER
START
CONTROL CIRCUIT
HIGHT VOLTAGE
GENERATOR
u163
.
HCD-FR1/FR8/FR9
2 9 9 4 2 8
8 WC
7 GND
8bit
4,096bit
EEPROM
16bit
6 DO
5 DI
1 5 0 5 8 2 9 9 4
16 K bit EEPROM ARRAY
8 bit
SLAVE WORD DATA
ADDRESS REGISTER REGISTER
STOP
ACK
POWER SUPPLY
VOLTAGE DETECTION
m
co
9 9
1 A0
2 8 9 9
2 A1
3 A2
4 GND
23