LG F1200 Service Manual page 28

(8) Keypad Switching & Scanning
KBR0
KBR1
KBR2
KBR3
KBR4
DBB supports 6x6 keymap and Switch-ON Key is connected directly to ABB as (Figure 16.).
PWON
R335 680
KBR(1)
R333 680
KBR(2)
R334 680
KBR(3)
R342 680
KBR(4)
R343 680
KBR(0)
R336 680
KBC(0)
R337 680
KBC(1)
R338 680
KBC(2)
R339 680
KBC(3)
R341 680
KBC(4)
R340 680
KBC(5)
KBC0 KBC1
[ ] [ ]
[1] [2]
[4] [5]
[7] [8]
[*] [0]
Table 7. Keypad Map
R318 680
END
1
4
7
STAR
LEFT
Figure 17. Keypad Scanning Scheme
- 27 -
KBC2 KBC3
L
[ ] [ M ]
[3] SHUT
[6] [F1]
[9] [F2]
[#] [SEND]
Close to Side-key PAD
VA301
AVLC14S02050
2 3 SHUT
5 6 F1
8 9 F2
0 SHAP SEND
RIGHT UP DOWN
3. TECHNICAL BRIEF
KBC4 KBC5
[OK] F3
CLEAR
[Vol Up]
[Vol Down]
CN301
1
2
VA304
AVLC14S02050
CLEAR
OK F3