4. TROUBLE SHOOTING
- 82 -
4.5.1 Checking VCXO Block
Refer to 4.3
4.5.2 Checking Ant. SW module
Refer to 4.4
4.5.3 Checking RF TX Level
Test Point (RF TX Level)
TP1
TP3
TP4
TP2
21
WCDMA2100
GSM850_EGSM_TX
11
18
GSM850_RX1
19
9
PCN_PCS_TX
14
PCN_RX1
PCN_RX2
15
16
PCS_RX1
PCS_RX2
17
FL1000
DGM092M03
1
ANT
CTRL1
4
5
EGSM_RX1
12
13
EGSM_RX2
C1003
NA
R1038
0
L1011
7.5nH
ANT
G1
G2
RF
SW1000
KMS-512
33p
C1005
R1003
0
10nH
L1007
ANT1002
ANT1001
ANT_SEL0
TP1
Summary of Contents for U310
Page 3: ... 4 ...
Page 20: ...3 TECHNICAL BRIEF 21 ...
Page 33: ...3 TECHNICAL BRIEF 34 Figure 3 5 10 1 Bluetooth system architecture ...
Page 47: ...3 TECHNICAL BRIEF 48 Figure PM6650 2M Functional Block Diagram ...
Page 72: ...4 TROUBLE SHOOTING 73 4 2 SIGNAL PATH WCDMA Tx PATH WCDMA Rx PATH ...
Page 76: ...4 TROUBLE SHOOTING 77 ...
Page 90: ...4 TROUBLE SHOOTING 91 ...
Page 110: ...4 TROUBLE SHOOTING 111 CN501 C537 C538 MSM6250A ...
Page 116: ...4 TROUBLE SHOOTING 117 C216 C217 for MIC serial capacitor MSM6250A ...
Page 119: ...4 TROUBLE SHOOTING 120 Q400 Q401 Q402 VBATT GND ...
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 ...
Page 160: ...9 Calibration RF Auto Test Program 161 9 3 1 Example for Calibration Click START U310 ...
Page 163: ... 164 ...
Page 187: ...Note ...
Page 188: ...Note ...