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IC2 PT6961
DIN
DOUT
Interface
CLK
STB
OSC
R
GND
U10 BA7660FS
MUTE
GND
GND
N.C.
GND
Control
Serial
Data
Display Memory
Timing Generator
OSC
Key Matrix
Memory
K1
K2
1
2
INA
3
4
INB
5
6
7
INC
8
Dimming Circuit
K3
VDD GND
75Ω
6dB
75Ω
6dB
75Ω
6dB
SEGMENT DRIVER/
KEY SCAN OUTPUT/
GRID DRIVER
16
Vcc
15
OUTA1
14
OUTA2
13
OUTB1
12
OUTB2
11
N.C.
10
OUTC1
9
OUTC2
SG1/KS1
SG2/KS2
SG3/KS3
SG4/KS4
SG5/KS5
SG6/KS6
SG7/KS7
SG8/KS8
SG9/KS9
SG10/KS10
SG11
SG12/GR7
GR6
GR5
GR4
GR3
GR2
GR1
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