3. TECHNICAL BRIEF
- 53 -
Figure Keypad Circuit
HOT4
1
CLR
0
DN
SND
7
HOT5
9
2
KEY
LEFT
MENU
RIGHT
6
SEARCH
3
OK
8
5
UP
4
BACK
HOT601
BACK
OK
4
6
UP
5
1
8
CLR
0
3
2
MENU
7
RIGHT
HOT604
SND
SEARCH
3
5
7
10K
2
4
6
8
1
RA600
LEFT
R606
10K
DN
HOT602
9
HOT605
HOT603
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_ROW(0)
VREG_MSMP_2.7V
KEY_ROW(4)
KEY_COL(3)
KEY_COL(4)
KEY_ROW(3)
KEY_ROW(2)
KEY_ROW(1)
VOL DN
CAM
VOL UP
SIDE_KEY
PRSB6.8C
VA600
R600
100ohm
100ohm
R605
VA603
PRSB6.8C
PRSB6.8C
VA604
VA602
PRSB6.8C
R602
100ohm
1
2
3
4
CN600
SIDE_KEY_COL(5)
KEY_ROW(0)
KEY_ROW(2)
KEY_ROW(1)
Содержание U310
Страница 3: ... 4 ...
Страница 20: ...3 TECHNICAL BRIEF 21 ...
Страница 33: ...3 TECHNICAL BRIEF 34 Figure 3 5 10 1 Bluetooth system architecture ...
Страница 47: ...3 TECHNICAL BRIEF 48 Figure PM6650 2M Functional Block Diagram ...
Страница 72: ...4 TROUBLE SHOOTING 73 4 2 SIGNAL PATH WCDMA Tx PATH WCDMA Rx PATH ...
Страница 76: ...4 TROUBLE SHOOTING 77 ...
Страница 90: ...4 TROUBLE SHOOTING 91 ...
Страница 110: ...4 TROUBLE SHOOTING 111 CN501 C537 C538 MSM6250A ...
Страница 116: ...4 TROUBLE SHOOTING 117 C216 C217 for MIC serial capacitor MSM6250A ...
Страница 119: ...4 TROUBLE SHOOTING 120 Q400 Q401 Q402 VBATT GND ...
Страница 149: ... 150 8 pcb layout ...
Страница 150: ... 151 8 pcb layout ...
Страница 151: ... 152 8 pcb layout ...
Страница 152: ... 153 8 pcb layout ...
Страница 153: ... 154 ...
Страница 160: ...9 Calibration RF Auto Test Program 161 9 3 1 Example for Calibration Click START U310 ...
Страница 161: ...9 Calibration RF Auto Test Program 162 9 3 2 Example for RF Auto Test Click Run button U310 U310 U310 U310 ...
Страница 163: ... 164 ...
Страница 187: ...Note ...
Страница 188: ...Note ...