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MAIN BOARD LCD
CONNECTOR
41
VBACKUP
42
GND
43
GND
44
EAR_P
45
EAR_M
46
GND
47
MLED
48
L_LED3
49
L_LED2
50
L_LED1
51
GND
52
L_D(15)
53
L_D(14)
54
L_D(13)
55
L_D(12)
56
L_D(11)
57
L_D(10)
58
L_D(9)
59
L_D(8)
60
GND
3.5.12 Keypad Switching & Scanning
KBC0
LEFT
KBC0
[1]
KBC1
[4]
KBC2
[7]
KBC3
[*]
KBC4
DBB supports 25 Key Map and Swritch_ON Key is connected directly to ABB as (Figure 16).
FPCB 60PIN CONN.
60PIN CONN.
CAMERA 20PIN CONN.
VBACKUP
GND
GND
EAR_P
EAR_M
GND
MLED
L_LED3
L_LED2
L_LED1
GND
L_D(15)
L_D(14)
L_D(13)
L_D(12)
L_D(11)
L_D(10)
L_D(9)
L_D(8)
GND
Table 3-8. Keypad Map
KBC1
KBC2
RIGHT
UP
[2]
[3]
[5]
[6]
[8]
[9]
[0]
[#]
- 35 -
3. H/W CIRCUIT DESCRIPTION
LCM 40PIN CONN.
KBC3
KBC4
DOWN
OK
CAM
CLEAR
[F1]
VOL_UP
[F2]
VOL_DOWN
[SEND]
[F3]
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