Asus M530w Service Manual page 60

華 碩 電 腦
華 碩 電 腦
WCDMA pretest
Description
WCDMA maximum power
WCDMA sensitivity
WCDMA SEM
WCDMA ACLR
WCDMA frequency error
WCDMA EVM
TSD ■ Lv3Lv4 Repair Manual
Recommendatory Steps
1. Refer to "General WCDMA Tx debug"
2. Check voltage of U953 Pin1, 5 & 10
3. Check voltage of L21
1. Refer to "General WCDMA Rx debug"
2. Check voltage of U958 all VCC Pins
1. Refer to "General WCDMA Tx debug"
2. Check RLC of high band Tx matching
3. Format FDI and re-calibration
1. Refer to "General WCDMA Tx debug"
2. Check RLC of high band Tx matching
3. Format FDI and re-calibration
1. Check voltage of OSC1 Pin1 & 4
2. Check frequency of OCS1 Pin3
3. Rework digital baseband
1. Refer to "General WCDMA Tx debug"
2. Check IQ signal of U957 Pin10~13
60 ASUS Proprietary