Toshiba BDX2500KU Service Manual page 29

IC101 PT6315
DIN
Serial
DOUT
Data
CLK
Interface
STB
OSC
OSC
R
LED1
LED2
LED
Driver
LED3
LED4
Control
Display Memory
(24 bits x 16 Words)
Timing Generator
Key Matrix Memory
Dimming Circuit
K1 K2 VDD GND VEE
5-5
SG1/KS1
SG2/KS2
SG3/KS3
SG4/KS4
SG5/KS5
SG6/KS6
SG7/KS7
SG8/KS8
Segment
SG9/KS9
Driver/
SG10/KS10
SG11/KS11
Grid
SG12/KS12
Driver/
SG13/KS13
SG14/KS14
SG15/KS15
Key Scan
Output
SG18/KS18
SG17/GR12
SG18/GR11
SG19/GR10
SG20/GR9
SG21/GR8
SG22/GR7
SG23/GR6
SG24/GR5
GR1
GR2
Grid
Driver
GR3
GR4