Toshiba A20-S259 - Satellite - Pentium 4 2.66 GHz Maintenance Manual page 62

2 Troubleshooting Procedures
q E5V output
Error code
50h
51h
52h
53h
54h
55h
q E3V output
Error code
60h
61h
62h
63h
64h
65h
q PPV output
Error code
70h
71h
72h
73h
2-12
E5V voltage is over 6.00V when the computer is powered on/off.
E5V voltage is 4.50V or less when the computer is powered on.
E5V voltage is 4.50V or less when the computer is booting up.
E5V voltage is abnormal when the computer is suspended.
E5V voltage is abnormal when the computer shuts down. (CV support)
E5V voltage is 4.50V or less when the computer is booting up.
(CV support)
E3V voltage is over 3.96V when the computer is powered on/off.
E3V voltage is 2.81V or less when the computer is powered on.
E3V voltage is 2.81V or less when the computer is booting up.
E3V voltage is abnormal when the computer is suspended.
E3V voltage is abnormal when the computer shuts down. (CV support)
E3V voltage is 2.81V or less when the computer is booting up.
(CV support)
PPV voltage is over 1.92V when the computer is powered on/off.
PPV voltage is 1.04V or less when the computer is powered on.
PPV voltage is 1.04V or less when the computer is booting up.
PPV voltage is 1.04V or more when the computer is powered off.
2.3 Power Supply Troubleshooting
Meaning
Meaning
Meaning
Satellite A20 Maintenance Manual (960-444)