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2.14 Wireless LAN Troubleshooting 2 Troubleshooting
Procedure 2 Antennas' Connection Check
The wireless LAN function-wiring diagram is shown below:
Main antenna
Sub antenna
Wireless LAN
card
Antenna cable
MP FPC
System board
CN2200
CN9510
CN9500
Any of the connections may be defective. Disassemble the computer following the steps
described in Chapter 4, Replacement Procedures, and perform the following checks:
Check 1 Make sure that the wireless communication switch is “On”.
If the switch is “Off”, turn it “On”. If the problem still occurs, perform Check 2.
Check 2 Make sure the connections between the wireless LAN card, MP FPC and system
board are firmly connected.
If the connectors are disconnected, connect them firmly and return to Procedure 1.
If there is still an error, go to Check 3.
Check 3 Make sure the wireless LAN antenna cables (black and white) are firmly connected
to the wireless LAN card. If the antenna cables are disconnected, connect them
firmly and return to Procedure 1. If there is still an error, go to procedure 3.
PORTEGE R200 Maintenance Manual (960-519) [CONFIDENTIAL] 2-53