JHT01 Service Manual
6-9
3.5 Procedure 5 Replacement check
The system board may be disconnected or damaged. Disassemble the computer
following the steps described
Replacement Procedures. Check the connection
between the AC adaptor and the system board. After checking the connection,
perform Check 1:
Check 1
Use a millimeter to make sure that the fuses on the system board are not blown.
•
If a fuse is not blown, go to Check 2.
• If a fuse is blown, go to Check 3.
Check 2
Make sure that the battery cable is firmly connected to the system board.
•
If it is connected firmly, go to Check 3.
Check 3
The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4.
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