Toshiba TECRA S4 Maintenance Manual page 54

2 Troubleshooting Procedures
VG1R8-P1V output
Error code
D0h
D1h
D2h
D3h
PTV output (CH1)
Error code
E0h
E1h
E2h
E3h
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 21h:
Go to Procedure 3.
Check 4 For any other error, go to Procedure 5.
2-12
VG1R8-P1V voltage is over 2.16V when the computer is powered
on/off.
VG1R8-P1V voltage is under 0.89V when the computer is powered on.
VG1R8-P1V voltage is under 0.89V when the computer is booting up.
VG1R8-P1V voltage is over 0.89V when the computer is powered off.
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.
PTV voltage is over 0.89V when the computer is powered off.
The sub clock does not oscillate.
[CONFIDENTIAL]
2.3 Power Supply Troubleshooting
Meaning
Meaning
Meaning
TECRA S3 Maintenance Manual (960-532)