Sony HCD-GP7 Service Manual page 42

HCD-GP7
QQ
3 7 63 1515 0
— PANEL Board —
LED1
1
LED2
2
3
LED3
LED4
4
OSC OSC
5
DOUT 6
TE
L 13942296513
DIN 7
Serial
interface
CLK
8
STB
9
KEY1
10
KEY2 11
12 13
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.
42
http://www.xiaoyu163.com
IC801 PT6315
44 43 42 41 40 39
Grid driver
Command decoder
Display memory
24 bits x 12 words
Timing generator
key scan
Key data memory
(2 x 16 bits)
x ao
y
i
http://www.xiaoyu163.com
8
38 37 36 35
Multiplexed driver
Q Q
3 6 7 1 3
segment driver
14 15 16 17 18 19 20
u163
.
2 9 9 4 2 8
34
SEG19/GRID10
33
32 SEG18/GRID11
SEG17/GRID12
31
30 VEE
29 SEG16/KS16
1 5 0 5 8 2 9 9 4
28 SEG15/KS15
27 SEG14/KS14
26 SEG13/KS13
25 SEG12/KS12
SEG11/KS11
24
SEG10/KS10
23
21 22
m
co
9 9
2 8 9 9