LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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3.1.13 Key Pad and Touch key
There are 22 buttons and 3 side keys and 1 Optical Joystick key in Figure 3-1-13/14. Shows the
Keypad circuit. ‘END’ Key is connected ONSWAn for AB3000.
0
4
5
1
KEY PAD AND SIDE KEY PAD
7
8
Volume
Camera
9
6
3
2
*
#
7
INSTPAR
R643
110
ESD9X5.0ST5G
ZD506
DNI
R642
5
INSTPAR
ZD505
ESD9X5.0ST5G
3
CN523
1
2
3
4
5
6
INSTPAR
ZD502
ESD9X5.0ST5G
KB511
ESD9X5.0ST5G
ZD501
INSTPAR
9
ZD503
ESD9X5.0ST5G
INSTPAR
6
RB521S-30
D501
1
2
0
8
INSTPAR
ESD9X5.0ST5G
ZD504
KB_STAR
4
KEYIN3
KEYOUT4
KEYOUT0
KEYIN2
KEYIN0
KEYIN1
ONSWA_n
KEYOUT3
KEYOUT1
KEYOUT2
Figure 3-1-14. MAIN PCB KeyPad Circuit
Table 3-1-8. Key Matrix Mapping Table
KEYIN0 KEYIN1 KEYIN2 KEYIN3 KEYIN4 KEYIN5
GND
KEYOUT0
Volume up Volume down
Camera1
Camera2
END
side key
side key
Side key
Side key
KEYOUT1 1
2
3 soft1
up
Soft2
KEYOUT2 4
5
6 left
OK
right
KEYOUT3 7
8
9 hot
down
cancel
KEYOUT4 *
0
# call
Z3X-BOX.COM
Содержание KT520
Страница 231: ...Note Z 3 X B O X C O M ...
Страница 232: ...Note Z 3 X B O X C O M ...