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3.1.13 Keypad (1)
•
KEYPAD Scanning Scheme (number -key).
The power key is connected to Calypso(DBB) directly using ‘PWON’.
The other number-key and navigation-key is connected to Calypso(DBB) using:
- KBR (4:0) input pins for row lines
- KBC (4:0) output pins for column lines
7
8
4
6
0
9
*
UP
SEND
DOWN
F1
POWER ON KEY
#
F4
OK
2
3
LEFT
5
1
RIGHT
F3
F5
F2
KB810
KB812
KB809
A
B
C
COM1
COM2
COM3
COM4
COM5
D
E
KB817
SW801
KB801
KB805
KB811
KB815
KB824
KB814
KB804
KB803
KB813
KB806
KB807
KB823
KB802
KB816
KB808
S_KBC(4)
S_KBC(0)
S_KBC(3)
S_KBC(1)
S_KBC(2)
S_KBR(0)
S_KBR(1)
S_KBR(2)
S_KBR(3)
S_KBR(4)
PWON
Keypad Scanning Scheme
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Summary of Contents for LG9200
Page 3: ... 4 Z 3 X B O X C O M ...
Page 107: ... 120 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 108: ... 121 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 109: ...8 PCB LAYOUT 122 Z 3 X B O X C O M ...
Page 110: ... 123 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 111: ... 124 Z 3 X B O X C O M ...
Page 116: ...9 Calibration 129 E Calibration Equipment Setup Z 3 X B O X C O M ...
Page 123: ... 136 Z 3 X B O X C O M ...
Page 142: ...Note Z 3 X B O X C O M ...