Sony STR-K1500 - Receiver Component For Ht-ddw1500 Service Manual page 42

STR-K1500
IC100 PT6315
LED1
1
LED2
2
LED3 3
LED4
4
OSC 5 OSC
DOUT 6
DIN
7
Serial
interface
CLK
8
STB
9
KEY1
10
KEY2 11
12 13
– HDMI Board –
IC5005 SN74LVC1G3157DCKR
1
B2
GND 2
B1
3
42
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)
6
S
5 VCC
A
4
38 37 36 35
Multiplexed driver
segment driver
14 15 16 17 18 19 20 21
34
SEG19/GRID10
33
32 SEG18/GRID11
SEG17/GRID12
31
30 VEE
SEG16/KS16
29
SEG15/KS15
28
27 SEG14/KS14
26 SEG13/KS13
25 SEG12/KS12
SEG11/KS11
24
SEG10/KS10
23
22