Service manual

GTC Service Manual
ASUS Proprietary 37
華
華
碩
碩
電
電
腦
腦
10. Test & Repair Flow Chart
10.
10.10.
10.1
11
1 Conductive & Antenna Test
Conductive & Antenna TestConductive & Antenna Test
Conductive & Antenna Test Procedure
ProcedureProcedure
Procedure
2G or 3G fail
2G fail
GSM/GPRS/EDGE Board
WCDMA Board Level Test
(Wireless)
The phone is ON, but
Conductive & Antenna
Test
Procedure
(Conductive)
Insert test SIM
Change New Antenna
1. Confirm whether the spring keeps
in touch with FPC well.
2. Confirm whether the matching
circuit (C823, L811 and C822) is
correct.
Registration OK
Tx/Rx signal is normal
YES
YES
Change RF CON900 or CON800
Connector)
U801
Tx/Rx FEM work well
No
No
*1 Refer to appendix A for EGG typical values of conductive test
*2 Refer to appendix B for WCDMA typical values of conductive test