2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
2-10 [CONFIDENTIAL] TECRA M5 Maintenance Manual (960-542)
1R8-B1V output (P64:CH0)
Error code Meaning
80h 1R8-B1V voltage is over 2.16V when the computer is powered on/off.
81h 1R8-B1V voltage is 1.53V or less in normal condition s when the
computer is powered on.
82h 1R8-B1V voltage is 1.53V or less at power on.
84h 1R8-B1V voltage is 4.50V or less when EV is maintained and
“OUTV4 power = BV power” is specified.
PPV output (P65: CH0)
Error code Meaning
90h PPV voltage is over 1.80V when the computer is powered on/off.
91h PPV voltage is 0.32V or less in normal conditions when the computer
is powered on.
92h PPV voltage is 0.32V or less at power on.
PTV output (P66:CH0)
Error code Meaning
A0h PTV voltage is over 1.32V when the computer is powered on/off.
A1h PTV voltage is 0.85V or less in normal conditions when the com puter
is powered on.
A2h PTV voltage is 0.85V or less at power on.
1R5-E1V output (P63:CH1)
Error code Meaning
B0h 1R5-E1V voltage is over 1.80V when the computer is powered on/off.
B1h 1R5-E1V voltage is 1.275V or less in normal co nditions when the
computer is powered on.
B2h 1R5-E1V voltage is 1.275V or less at powe r on.
B3h 1R5-E1V voltage is 1.275V or less when EV is maintained and
“OUTV7 power = EV power” is specified.