Compal ACY25 series, Руководство по обслуживанию

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If the DC-IN LED or Battery LED are not lit, go to Procedure 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.
Procedure 3 Power supply connection check
The power supply wiring diagram is shown below:
AC
adaptor
System
board
Battery
AC adaptor cord
AC power cord
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.
If the power cord is damaged, connect a new AC power cord. 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. If these cables are connected
correctly, go to Check 3.
Check 3 Make sure that the DC-IN input port socket is firmly secured to the system board
of the computer.
•
If the DC-IN input socket is loose, go to Procedure 5.
•
If it is not loose, go to Check 4.
Check 4 Use a multimeter to make sure that the AC adaptor output voltage is close to 19 V.
If the output is several percent lower than 19 V, go to Check 5. If the output is
close to 19 V, go to Check 6.
Check 5 Connect a new AC adaptor or AC power cord.
•
If the DC-IN LED does not light, go to Procedure 4.
•
If the battery LED does not light, go to Check 6.
Check 6 Make sure the battery pack is installed in the computer correctly. If the battery is
properly installed and the battery LED still does not light, go to Procedure 4.
Procedure 4 Diagnostic check
The power supply may not charge the battery pack. Perform the following procedures:
Chapter
6-7