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
Содержание KG920
Страница 3: ... 4 ...
Страница 48: ...3 TECHNICAL BRIEF 49 3 8 2 AFE Analog Front End Figure 3 22 ...
Страница 52: ...3 TECHNICAL BRIEF 53 3 8 5 MBGM01 5M CCD ISP Figure 3 25 ...
Страница 55: ...3 TECHNICAL BRIEF 56 3 8 6 MV8620 5M back end IC Multi Media Function Figure 3 26 ...
Страница 58: ...3 TECHNICAL BRIEF 59 3 9 MIDI IC YMU787 Figure 3 27 YMU787 BLOCKDIAGRAM ...
Страница 87: ...4 TROUBLE SHOOTING 88 Graph 4 8 BLUE RST Graph 4 9 DEBUG_TX RX Graph 4 10 PCM_SYNCS TX RX USC0 ...
Страница 96: ...4 TROUBLE SHOOTING 97 4 7 KEY backlight Trouble TEST POINT Q101 R122 Q101 LD101 LD119 Figure 4 38 Figure 4 39 ...
Страница 108: ...4 TROUBLE SHOOTING 109 CIRCUIT WAVEFORM Figure 4 59 Graph 4 11 Figure 4 60 Figure ...
Страница 109: ...4 TROUBLE SHOOTING 110 TEST POINT U602 FB602 U100 Q100 Q101 C113 C114 Figure 4 61 Figure 4 62 ...
Страница 111: ...Figure 4 65 Graph 4 12 4 TROUBLE SHOOTING 112 C102 C113 U101 Figure 4 66 C137 U103 TEST POINT WAVEFORM ...
Страница 112: ...4 TROUBLE SHOOTING 113 Figure 4 67 Figure 4 68 CIRCUIT ...
Страница 115: ...4 TROUBLE SHOOTING 116 WAVEFORM Graph 4 13 ...
Страница 139: ...6 BLOCK DIAGRAM 140 6 BLOCK DIAGRAM Figure 6 1 ...
Страница 148: ... 149 8 PCB LAYOUT ...
Страница 149: ... 150 8 PCB LAYOUT ...
Страница 150: ... 151 8 PCB LAYOUT ...
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Страница 152: ... 153 8 PCB LAYOUT ...
Страница 153: ... 154 8 PCB LAYOUT ...
Страница 154: ... 155 8 PCB LAYOUT ...
Страница 155: ... 156 8 PCB LAYOUT ...
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Страница 194: ...Note ...
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