GTC Service Manual
ASUS Proprietary 46
華
華
碩
碩
電
電
腦
腦
10.5
10.5 10.5
10.5 GSM/GPRS
GSM/GPRSGSM/GPRS
GSM/GPRS/EDGE
/EDGE/EDGE
/EDGE
Repair
RepairRepair
Repair Procedure
Procedure Procedure
Procedure
No
EGG Board Level
Check U811, U810, andU800
Check relevant components on
U811 (low band) should
higher than U810 (high
Check U801 (SKY77513)
Restart EGG Board Level Repair
Check
1. C826 is 3.8V
2. C802 is 2.75V and C805 is
1.8V
Check range of Vapc:
Low band 0.25(PL19) ~ 1.3V
(PL5)
Tx or Rx path fail
Recalibration
FEM has R、T、M
waveforms
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