2 Troubleshooting Procedures 2.11 LAN
2-42 Portege 2000 Maintenance Manual (960-333)
Procedure 2 Connector Check and Replacement Check
The LAN function is installed on the main board. The modem/LAN jack is connected to the
main board by the cable. If the LAN malfunctions, the connection is bad or the main board
might be faulty.
Disassemble the computer following the steps described in Chapter 4 and perform the
following checks:
Check 1 Check if the LAN jack is connected firmly to the connector PJ352 of the main
board.
If it is loose or disconnected, connect it firmly and return to Procedure 1. If there is
still an error, perform Check 2
Check 2 The LAN jack may be defective. Replace the LAN jack with a new one. If the
problem persist, perform Check 3.
Check 3 The main board may be faulty. Replace the Main board following the steps
described in Chapter 4.
etwor
Main board
PJ352
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