Compal NBLB2, Service Manual

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NBLB2 Service Manual
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Table 2-2 POWER LED
Power supply status POWER LED
System Power On (LED is solid blue). blue Solid on
System Suspended Blue blinking
System Power Off. Off
To check the power supply status, install a battery pack and connect an AC adaptor
to the DC-IN port on the computer and to a power supply.
If the Battery LED is not lit, go to Procedure 2
3.2 Procedure 2 Adaptor / battery replacement
A faulty adaptor may not supply power or may not charge the battery.
Perform Check 1.
Check 1 Connect a new AC adaptor. If the problem is not resolved, go to Check 2.
Check 2 Insert a new battery. If the problem is still not resolved, go to Procedure 3.
3.3 Procedure 3 Power supply connection check
The power supply wiring diagram is shown below:
Any of the connectors may be disconnected. Perform Check 1.
Check 1
Disconnect the AC power cord from wall outlet. Check the power cable for breaks.
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If the power cord is damaged, connect a new AC power cord.
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If there is no damage, go to Check 2.
Check 2
Make sure the AC adaptor cord and AC power cord are firmly plugged into the DC-IN
socket, AC adaptor inlet and wall outlet.
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If these cables are connected correctly, go to Check 3.