Pioneer PD-30-K Service Manual page 25

5
IL5K016310 (SC16315)(MAIN PCB ASSY: IC6001)
FIP DIRVER IC 44PIN-LQFP
• Pin Arrangement
• Block Diagram
DIN
7
DOUT
6
CLK
Interface
8
STB
9
OSC
5
4-Bits Latch
LED1
1
5
6
44 43 42 41
LED1 1
2
LED2
3
LED3
LED4 4
OSC
5
D
6
OUT
7
D
IN
8
CLK
9
STB
10
KEY1
KEY2
11
12 13 14 15
Command
Decoder
Serial
Data
Display
Memory
Timing
Generator
OSC
Key Data
Memory
LED4 K1 K2
4 10 11
6
7
40 39 38 37 36 35 34
33
32
31
30
29
SC16315
28
27
26
25
24
23
16 17 18 19 20 21 22
Dimming Circuit
24 bits
Output
Latch
Data
Selector
12 Bits
Shift
Register
VDD VSS
43 44 30
PD-30-K
7
8
Seg19/Grid10
Seg18/Grid11
Seg17/Grid12
V
EE
Seg16/KS16
Seg15/KS15
Seg14/KS14
Seg13/KS13
Seg12/KS12
Seg11/KS11
Seg10/KS10
Seg1/
KS1
14
Segment
Driver
Seg16/
KS16
29
Seg17/
Grid12
31
Multiplexed
Driver
Seg24/
Grid5
38
Grid1
42
Grid
Driver
39
Grid4
VEE
8
A
B
C
D
E
F
25