Toshiba Satellite R20 Maintenance Manual page 67

2.3 Power Supply Troubleshooting
PPV output
Error code
D0h
D1h
D2h
PTV (Intel 945GM model) or PGV (Intel 945PM model)
Error code
E0h
E1h
E2h
Check 3 In the case of error code 10h or 12h, go to Procedure 3.
Check 4 In the case of error code 2*h, go to Check 3 of Procedure 3.
Check 5 For any other errors, go to Procedure 5.
Satellite R20/TECRA M7 Maintenance Manual (960-572)
Meaning
PPV voltage is over 1.80V.
PPV voltage is under 0.32V when the computer is powered on.
PPV voltage is under 0.32V at booting up.
Meaning
PTV or PGV voltage is over 1.32V.
PTV or PGV voltage is under 0.85V when the computer is powered on.
PTV or PGV voltage is under 0.85V at booting up.
2 Troubleshooting
[CONFIDENTIAL] 2-13