Pioneer DV-380-S Service Manual page 78

1
PT6315 (OPERATION 1 ASSY : IC651)
QQ
3 7 63 1515 0
• FIP DRIIVE IC
A
Block Diagram
DN
B
DOUT Serial
Data
CLK
Interlace
ST3
R
OSC
OSC
C
TE
L 13942296513
LED1
LED2
LED
LED3
Driver
LED4
D
E
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F
76
1
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2
Control
Display Memory
(24bits x 12 Words)
Tlming Generator
Key Matrix Memory
K1 K2
x ao
y
. i
2
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3
8
Q Q
3 6 7 1 3
Dimming Circuit
VDD GND VEE
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DV-380-S
3
4
2 9 9 4 2 8
SG1/KS1
SG2/KS2
SG3/KS3
SG4/KS4
SG5/KS5
SG6/KS6
SG7/KS7
SG8/KS8
Segment
SG9/KS9
Driver/
SG10/KS10
Grid
SG11/KS11
Driver/
SG12/KS12
Key Scan
Output
SG13/KS13
SG14/KS14
SG15/KS15
SG16/KS16
SG17/GR12
SG18/GR11
SG10/GR10
SG20/GR9
SG21/GR8
1 5 0 5 8 2 9 9 4
SG22/GR7
SG23/GR6
SG24/GR5
GR1
GR2
Grid
GR3
Driver
GR4
m
co
4
9 9
2 8 9 9