Pioneer XV-DV232 Service Manual page 100

1
QQ
3 7 63 1515 0
PT6315 (W51 DISPLAY ASSY : IC5901)
• FL Driver IC
A
Pin Arrangement (Top view)
B
C
Block Diagram
TE
L 13942296513
7
DIN
6
DOUT
CLK 8
9
STB
D
5
OSC
1
LED1
LED2 2
3
LED3
4
LED4
E
www
F
100
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2
LED1 1
LED2 2
LED3 3
LED4 4
OSC 5
DOUT 6
DIN 7
CLK 8
STB 9
K1 10
K2 11
Control
Serial
Data
Display Memory
Interface
(24 bits×12 Words)
OSC Timing Generator
Key Matrix
Memory
LED
Driver
x ao
y
13 43 10 11
. i
VDD VDD K1 K2
2
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3
8
33 SG19/GR10
32 SG18/GR11
31 SG17/GR12
30 VEE
29 SG16/KS16
28 SG15/KS15
27 SG14/KS14
26 SG13/KS13
25 SG12/KS12
24 SG11/KS11
23 SG10/KS10
Q Q
3 6 7 1 3
Segment
Driver/
Grid Driver/
Key Scan
output
Grid Driver
Dimming
Circuit
u163
12 44 30
.
VSS VSS VEE
XV-DV232
3
4
2 9 9 4 2 8
1 5 0 5 8 2 9
SG1/KS1
14
SG2/KS2
15
SG3/KS3
16
SG4/KS4
17
SG5/KS5
18
SG6/KS6
19
SG7/KS7
20
SG8/KS8
21
SG9/KS9
22
SG10/KS10
23
SG11/KS11
24
SG12/KS12
25
SG13/KS13
26
SG14/KS14
27
SG15/KS15
28
SG16/KS16
29
SG17/GR12
31
SG18/GR11
32
SG19/GR10
33
SG20/GR9
34
SG21/GR8
35
SG22/GR7
36
SG23/GR6
37
SG24/GR5
38
GR1
42
GR2 m
41
GR3
40
GR4 co
39
4
9 9
9 4 2 8 9 9