...................................................................................................................................................................  4–48
EM calibration ................................................................................................................................................  4–49
...................................................................................................................................................................  4–49
Notes...............................................................................................................................................................  4–49
...................................................................................................................................................................  4–49
Bluetooth Troubleshooting...............................................................................................................................  4–49
Bluetooth functional description.................................................................................................................  4–49
Block diagram................................................................................................................................................  4–50
Interface signals............................................................................................................................................  4–50
Component placement .................................................................................................................................  4–51
Symptom, Problem and Repair Solution.....................................................................................................  4–52
Test Coverage ................................................................................................................................................  4–53
Test Procedure...............................................................................................................................................  4–53
Bluetooth troubleshooting ..........................................................................................................................  4–54
List of Tables
Table 1 Power supply voltages for the X-GOLD213 IC RF sub-system ...........................................................  4–16
Table 2 Bluetooth Signal List.............................................................................................................................  4–50
List of Figures
Figure 35 D3100 and D3000 are the non- reworkable components................................................................ 4–5
Figure 36 RX checkpoints and component overview (measurement point marked with blue) ................  4–14
Figure 37 X-Gold RX pin volts @ L7100(LB) / L7101(HB) ................................................................................  4–15
Figure 38 RX LB FEM logic waveform (C1:VC1; C2:VC2; C3:VC3) ......................................................................  4–16
Figure 39 X-Gold RX pin volts @ L7100(LB) / L7101(HB) ................................................................................  4–18
Figure 40 TX checkpoints and component overview (measurement point marked with blue) ................  4–20
Figure 41 X-Gold TX pin volts @ C7108(LB) /C7109 (HB).................................................................................  4–21
Figure 42 RX LB FEM logic waveform (C1:VC1; C2:VC2; C3:VC3) ......................................................................  4–22
Figure 43 TX LB VPC logic waveform-PCL5 (C1: VPC; C2: PAEN) ......................................................................  4–23
Figure 44 TX HB FEM logic waveform (C1:VC1; C2:VC2; C3:VC3)......................................................................  4–24
Figure 45 TX HB VPC logic waveform-PCL0 (C1: VPC; C2: PAEN)......................................................................  4–25
Figure 46 Bluetooth block diagram..................................................................................................................  4–50
Figure 47 Test points in Bluetooth ASIC circuit – BTHCost4.0D (CSR8810)....................................................  4–52
RM-761; RM-799; RM-800
RF Troubleshooting
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