Location Of Components On The Main Board - Huawei U8650-NFC Maintenance Manual

4
Z4304 SAW filter
Failure symptom:
Weak signal-
WCDMA2100&1900MHz
X301 crystal-32.768KHz
Failure symptom:
No power on
U201 Power Management
IC, PM7540
Failure symptom:
No power on
J1001 Camera Socket
Failure symptom:
Camera failure
Z4002 SAW Filter
Failure symptom:
GPS failure
U4001 GPS LNA
Failure symptom:
GPS failure
U1203 E-Compass
Failure symptom:
Compass failure
U1101 Headphone Audio
Power Amplifier
Failure symptom:
Earphone no voice
U1204 Accelerometer
Failure symptom:
Accelerometer failure
J1201 Battery Connector
Failure symptom:
No power on
U3702 SAW Filter
Failure symptom:
RF receiver failure-
WCDMA2100MHz
U3801 WCMDA/GSM
Radio Transceiver
Failure symptom:
RF failure
U401 CPU, MSM7227
Failure symptom:
No power on;
Other function failure
2011-06-09
U8650-NFC Maintenance Manual Basic Version V1.0

Location of Components on the Main Board

J1101 earphone connector
Failure symptom:
Earphone failure
Huawei confidential. No spreading without permission.
U1303 Voltage Regulator
Failure symptom:
LCD backlight failure
Internal
J1301 BTB Connector
Failure symptom:
Display failure
U1401 Vibrator
Failure symptom:
Vibration failure
J1502 BTB Connector
Failure symptom:
Touch panel failure
U4201 WLAN/Bluetooth
2.1/FM Single chip
Failure symptom:
WIFI&BT&FM failure
U4104 RF switch
Failure symptom:
WIFI&BT failure
X4101 Crystal, 37.4MHz
Failure symptom:
WIFI&BT failure
J1402 SD Receptacle
Failure symptom:
SD card failure
Z4101 Ceramics Filter
Failure symptom:
WIFI&BT failure
Z4001 SAW Filter
Failure symptom:
GPS failure
U3101 TCXO-19.2MHz
Failure symptom:
No power on; RF failure
J1401 SIM Socket
Failure symptom:
SIM card failure
U601 FLASH
Failure symptom:
No power on;
Software failure.
U3201 RF Connector
Failure symptom:
RF failure
U901 DCDC control chip
Failure symptom:
Charge failure
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