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2.3 Power Supply Troubleshooting 2 Troubleshooting
PORTEGE R200 Maintenance Manual (960-519) [CONFIDENTIAL] 2-13
PTV output
Error code Meaning
A0h PTV voltage is over 1.26V when the computer is powered on/off.
A1h PTV voltage is under 0.89V when the computer is powered on.
A2h PTV voltage is under 0.89V when the computer is booting up.
A3h PTV voltage is over 0.89V when the computer is powered off.
Check 2 In the case of error code 10h or 12h:
Make sure the AC adapter and AC power cord are firmly plugged into the DC
IN 15 V socket and wall outlet. If the cables are connected correctly, go to the
following step:
Connect a new AC adapter and AC power cord. If the error still exists, go to
Procedure 5.
Check 3 In the case of error code 21h:
Go to Procedure 3.
Check 4 For any other errors, go to Procedure 5.