Sony STR-DG520 Service Manual page 43

IC5006 BA00BC0WFP-E2 (HDMI SW BOARD)
VREF
–
+
THERMAL
SHUT DOWN
1 2
IC100 PT6315 (DISPLAY BOARD)
44 43
1
SW1
SW2 2
3
SW3
SW4 4
OSC OSC
5
DOUT 6
DIN 7
Serial
interface
CLK 8
STB 9
KEY1 10
11
KEY2
12 13
VDD
DRIVER
OVER CURRENT
PROTECT
3 4 5
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)
14 15
38 37 36 35 34
Multiplexed driver
segment driver
16 17 18 19 20 21 22
STR-DG520
GRID10
33
32 GRID11
SEG17
31
30 VEE
SEG16
29
SEG15
28
27 SEG14
26 SEG13
25 SEG12
24 SEG11
23 SEG10
43