Toshiba PORTEGE R400 Maintenance Manual page 51

PTV output
Error code
E0h
E1h
E2h
Miscellaneous
Error code
F0h
Check 2 In the case of error code 10h or 12h:
Make sure the AC adaptor cord 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 adaptor and/or AC power cord, if necessary. If the error
still exists, go to Procedure 5.
Check 3 In the case of error code 22h to 25h:
Make sure the battery pack is correctly installed in the computer. If the
battery pack is correctly installed, go to Procedure3.
Check 4 For any other error, go to Procedure 5.
PORTEGE R400 Maintenance Manual (960-623)
PTV voltage is over 1.26V when the computer is powered on/off.
PTV voltage is under 0.89V when the computer is powered on.
PTV voltage is under 0.89V when the computer is booting up.
The sub clock does not oscillate.
2 Troubleshooting Procedures
Meaning
Meaning
[CONFIDENTIAL] 2-13