Sony STR-DH510 Service Manual page 44

STR-DH510
IC100 PT6315 (DISPLAY BOARD)
1
SW1
SW2 2
SW3 3
SW4 4
OSC
5 OSC
DOUT 6
DIN 7
Serial
interface
8
CLK
STB 9
KEY1 10
KEY2 11
12
44
44 43 42 41 40
Grid driver
Command decoder
Display memory
24 bits x 12 words
Timing generator
key scan
Key data memory
(2 x 16 bits)
13
39 38 37 36
Multiplexed driver
segment driver
14 15 16 17 18 19
35 34
GRID10
33
32 GRID11
SEG17
31
30 VEE
29 SEG16
28 SEG15
27 SEG14
26 SEG13
25 SEG12
24 SEG11
23 SEG10
20 21 22