Sony STR-DH510 Service Manual page 44

STR-DH510
QQ
3 7 63 1515 0
IC100 PT6315 (DISPLAY BOARD)
1
SW1
SW2 2
3
SW3
SW4 4
OSC
5 OSC
6
DOUT
DIN 7
Serial
interface
CLK 8
STB 9
TE
L 13942296513
KEY1 10
KEY2 11
12 13
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44
http://www.xiaoyu163.com
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)
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http://www.xiaoyu163.com
2 9
8
38 37 36 35
Multiplexed driver
Q Q
3 6 7 1 3 1 5
segment driver
14 15 16 17 18 19 20 21
co
.
9 4 2 8
34
GRID10
33
32 GRID11
SEG17
31
30 VEE
29 SEG16
28 SEG15
27 SEG14
SEG13
26
0 5 8 2 9 9 4 2 8
25 SEG12
24 SEG11
23 SEG10
22
m
9 9
9 9