Sony HCD-BC150 Service Manual page 151

– FL Board –
IC803 PT6315
44 43
LED1
1
LED2
2
3
LED3
LED4
4
OSC 5 OSC
DOUT 6
DIN
7
Serial
interface
CLK
8
STB
9
KEY1 10
KEY2 11
12 13
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
HCD-BC150/BC250
38 37 36 35 34
Multiplexed driver
segment driver
16 17 18 19 20 21 22
SEG19/GRID10
33
32 SEG18/GRID11
SEG17/GRID12
31
30 VEE
29 SEG16/KS16
28 SEG15/KS15
27 SEG14/KS14
26 SEG13/KS13
25 SEG12/KS12
SEG11/KS11
24
SEG10/KS10
23
55