Huawei G510 - FM and Bluetooth Circuit

G510 Maintenance Manual V1.0
INTERNAL
2013-01-28
Huawei Confidential
Page 79 of 96
Figure 9-41 Troubleshooting process when the G510 fails to detect the microSD card
Can the U8825-1
detect and read the
microSDcard after
microSDcard
replacement?
Do not read the
micro-SD card.
Y
The U8825-1 fails to
detect the microSD card.
Can signals pass
U1402 properly?
N
Re-solder the 1402.
Y
Does the U8825-1
operate properly
after software
upgrade?
End
Y
N
Return the U8825-1 to
Huawei for repair.
N
N
9.4.9 FM and Bluetooth Circuit
Circuit Diagram
Figure 9-42 shows the circuit diagram of the FM and Bluetooth.