Location Of Components On The Main Board - Huawei U8510-1 Maintenance Manual

4
X301 Crystal 32.768
KHz
Failure symptom:
No power on
U201 Power
Management IC
Failure symptom:
No power on,
Charge failure
U401 CPU
Failure symptom:
No power on,
RF failure,
Others failure etc
U601 FLASH
Failure symptom:
No power on,
RF failure
U3302 Power module
–WCDMA2100MHz
Failure symptom:
RF transmitter failure
Camera-inner
Failure symptom:
Camera failure
Motor
Failure symptom:
Vibration failure
U3501 Power
module-GSM
Failure symptom:
RF transmitter failure
J202 FPC Connector
Failure symptom:
No power on ，Charge
failure ,Ring failure etc
2011-05-28
U8510-1 Maintenance Manual Basic Version V1.0

Location of Components on the Main Board

U3301 TX Filter-
WCDMA2100MHz
Failure symptom:
RF transmitter failure
U3101 Crystal
19.2MHz
Failure symptom:
No power on
Huawei confidential. No spreading without permission.
U3402 TX Filter-
WCDMA900MHz
Failure symptom:
RF transmitter failure
U4001&Z4001 &Z4002
RF LNA and Filter
Failure symptom:
GPS function failure
Internal
U3401 Power module
-WCDMA900MHz
Failure symptom:
RF transmitter failure
U3404 Duplexer-
WCDMA900MHz
Failure symptom:
RF transmitter failure,
RF receiver failure
U3304 Duplexer-
WCDMA2100MHz
Failure symptom:
RF transmitter failure,
RF receiver failure
U3202 RF Switch
GSM&WCDMA
Failure symptom:
RF transmitter failure,
RF receiver failure
U3702 RX Filter-
WCDMA
Failure symptom:
RF receiver failure
U3801 WCMDA/GSM
Radio Transceiver
Failure symptom:
RF transmitter failure,
RF receiver failure,
GPS failure
U101 Audio PA
Failure symptom:
Audio failure
MIC
Failure symptom:
Transmitting voice
failure
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