3. TECHNICAL BRIEF
- 66 -
3.11 Keypad Switches and Scanning
SEND
KEY MATRIX
END
RIGHT
4
5
8
9
DOWN
LEFT
*
CLEAR
UP
SW1
SW2
SW3
0
#
2
3
OK
1
6
7
SW6
SW7
10K
VBAT
R101
SW14
SW10
SW11
SW3
SW13
R102
680
SW16
SW17
SW21
SW4
SW5
SW19
SW18
SW12
SW23
SW15
SW22
SW20
SW9
VA100
EVLC18S02015
SW8
680
R125
SW1
SW2
KEY_ROW4
KEY_COL2
KEY_COL1
KEY_ROW5
POWERKEY
KEY_ROW0
KEY_COL0
KEY_ROW1
KEY_COL3
KEY_ROW2
KEY_ROW3
HOT4
AUTO FOCUS
HOT2
HOT1
HOT3
VOL_UP
VOL_DN
SHOT
SIDE_KEY
G1
G2
1
2
3
4
SW301
CN304
1
2
3
4
R308
680
VA302
EVLC18S02015
G1
G2
1
2
3
4
SW304
1
2
3
4
CN305
SW303
G1
G2
1
2
3
4
G1
G2
1
2
3
4
SW302
KEY_ROW3_1
KEY_ROW2_1
KEY_ROW1_1
KEY_COL5
KEY_COL4_1
KEY_ROW4_1
KEY_COL4_1
KEY_ROW2_1
KEY_ROW1_1
KEY_ROW4_1
KEY_ROW3_1
Figure 3-31. Keypad Switches and Scanning
Summary of Contents for KG920
Page 3: ... 4 ...
Page 48: ...3 TECHNICAL BRIEF 49 3 8 2 AFE Analog Front End Figure 3 22 ...
Page 52: ...3 TECHNICAL BRIEF 53 3 8 5 MBGM01 5M CCD ISP Figure 3 25 ...
Page 55: ...3 TECHNICAL BRIEF 56 3 8 6 MV8620 5M back end IC Multi Media Function Figure 3 26 ...
Page 58: ...3 TECHNICAL BRIEF 59 3 9 MIDI IC YMU787 Figure 3 27 YMU787 BLOCKDIAGRAM ...
Page 108: ...4 TROUBLE SHOOTING 109 CIRCUIT WAVEFORM Figure 4 59 Graph 4 11 Figure 4 60 Figure ...
Page 109: ...4 TROUBLE SHOOTING 110 TEST POINT U602 FB602 U100 Q100 Q101 C113 C114 Figure 4 61 Figure 4 62 ...
Page 112: ...4 TROUBLE SHOOTING 113 Figure 4 67 Figure 4 68 CIRCUIT ...
Page 115: ...4 TROUBLE SHOOTING 116 WAVEFORM Graph 4 13 ...
Page 139: ...6 BLOCK DIAGRAM 140 6 BLOCK DIAGRAM Figure 6 1 ...
Page 148: ... 149 8 PCB LAYOUT ...
Page 149: ... 150 8 PCB LAYOUT ...
Page 150: ... 151 8 PCB LAYOUT ...
Page 151: ... 152 8 PCB LAYOUT ...
Page 152: ... 153 8 PCB LAYOUT ...
Page 153: ... 154 8 PCB LAYOUT ...
Page 154: ... 155 8 PCB LAYOUT ...
Page 155: ... 156 8 PCB LAYOUT ...
Page 163: ... 164 ...
Page 194: ...Note ...
Page 195: ...Note ...