Sony HCD-C770 Service Manual page 84

HCD-C770/C990
QQ
3 7 63 1515 0
– FL Board –
IC802 MSM9202-05GS-KDR1
P1 1
PORT
P2 DRIVER
2
AD2 3
AD
AD1 DRIVER
4
SEG1 5
SEG2 6
SEG3 7
SEG4 8
SEG5 9
SEG6 10
SEG7
11
SEG8 12
SEG9 13
SEG10 14
SEG11 15
SEG12
16
SEG13 17
SEG14
18
SEG15 19
TE
SEG16 20
L 13942296513
SEGMENT
SEG17
21
DRIVER
SEG18 22
SEG19 23
SEG20 24
SEG21 25
SEG22 26
SEG23 27
SEG24
28
SEG25 29
SEG26 30
SEG27 31
SEG28 32
www
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84
http://www.xiaoyu163.com
ADRAM
2bit x 16
ADDRESS
SELECTOR
READ
ADDRESS
COUNTER
DIGIT
CONTROL
GRID
DRIVER
DUTY
CONTROL
CGROM DCRAM
35bit x 248 8bit x 16
CGRAM
35bit x 8
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http://www.xiaoyu163.com
2 9
8
WRITE
ADDRESS
COMMAND
COUNTER
DECODER
CONTROL
CIRCUIT
TIMING
TIMING
GENERATOR2 GENERATOR1
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
64 VDD
63 DA
8bit
SHIFT 62 CP
REGISTER
61 CS
60 RESET
59 OSC1
OSCILLATOR
58 OSC0
57 GND
56 VFL
55 COM16
COM15
54
53 COM14
52 COM13
51 COM12
50 COM11
COM10
49
48 COM9
COM8
47
46 COM7
45 COM6
0 5 8 2 9 9 4 2 8
44 COM5
43 COM4
COM3
42
41 COM2
40 COM1
39 SEG35
38
SEG34
37 SEG33
36
SEG32
35 SEG31
34 SEG30
33 SEG29
m
9 9
9 9