Huawei G510 Maintenance Manual page 54

G510 Maintenance Manual V1.0 INTERNAL
Figure 9-20 Circuit diagram of the UMTS IMT RX interstage chain
Figure 9-21 shows the circuit diagram of the RTR6285A chip for dual-mode RF transceiving.
Figure 9-21 Circuit diagram of the RTR6285A chip for dual-mode RF transceiving
Troubleshooting

No reception
Fault symptom: The G510 fails to receive signals.
Handling: The WCDMA 2100 MHz is used as an example. Troubleshoot the fault according
to the process shown in Figure 9-22.
2013-01-28
Huawei Confidential Page 54 of 96