Pioneer DV-2850S Service Manual page 76

1
PT6315 (OPERATION 1 ASSY : IC651)
• FIP DRIIVE IC
A
Block Diagram
DN
B
DOUT Serial
Data
CLK
Interlace
ST3
R
OSC
OSC
C
LED1
LED2
LED
LED3
Driver
LED4
D
E
F
76
1
2
Control
Display Memory
(24bits x 12 Words)
Tlming Generator
Key Matrix Memory
K1 K2 VDD GND
DV-2850-S
2
3
Segment
Driver/
Grid
Driver/
Key Scan
Output
Dimming Circuit
VEE
3
4
SG1/KS1
SG2/KS2
SG3/KS3
SG4/KS4
SG5/KS5
SG6/KS6
SG7/KS7
SG8/KS8
SG9/KS9
SG10/KS10
SG11/KS11
SG12/KS12
SG13/KS13
SG14/KS14
SG15/KS15
SG16/KS16
SG17/GR12
SG18/GR11
SG10/GR10
SG20/GR9
SG21/GR8
SG22/GR7
SG23/GR6
SG24/GR5
GR1
GR2
Grid
GR3
Driver
GR4
4