Toshiba A20-S259 Maintenance Manual - Page 102
Procedure 2, Antennas' Connection Check, Troubleshooting Procedures, LAN Troubleshooting
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2 Troubleshooting Procedures 2.11 LAN Troubleshooting Procedure 2 Antennas' Connection Check The wireless LAN function wiring diagram is shown below: Any of the connections may be disconnected. Disassemble the computer following the steps described in Chapter 4, perform the following checks: Check 1 The wireless LAN card and the system board may be disconnected. Make sure the wireless LAN card is firmly connected to the PJ2200 on the system board. If the connector is disconnected, connect firmly and return to Procedure 1. If there is still an error, go to Check 2. Check 2 Make sure the wireless LAN antenna cable (black and white) are firmly connected to the wireless LAN card. If the antenna cables are disconnected, connect firmly then return to Procedure 1. If there is still an error, perform Procedure 3. 2-52 Satellite A20 Maintenance Manual (960-444)