Toshiba Tecra M5 Maintenance Manual - Page 64
R8-B1V output P64:CH0, PPV output P65: CH0, PTV output P66:CH0, 1R5-E1V output P63:CH1
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Page 64 highlights
2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting 1R8-B1V output (P64:CH0) Error code 80h 81h 82h 84h Meaning 1R8-B1V voltage is over 2.16V when the computer is powered on/off. 1R8-B1V voltage is 1.53V or less in normal conditions when the computer is powered on. 1R8-B1V voltage is 1.53V or less at power on. 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 90h 91h 92h Meaning PPV voltage is over 1.80V when the computer is powered on/off. PPV voltage is 0.32V or less in normal conditions when the computer is powered on. PPV voltage is 0.32V or less at power on. PTV output (P66:CH0) Error code A0h A1h A2h Meaning PTV voltage is over 1.32V when the computer is powered on/off. PTV voltage is 0.85V or less in normal conditions when the computer is powered on. PTV voltage is 0.85V or less at power on. 1R5-E1V output (P63:CH1) Error code B0h B1h B2h B3h Meaning 1R5-E1V voltage is over 1.80V when the computer is powered on/off. 1R5-E1V voltage is 1.275V or less in normal conditions when the computer is powered on. 1R5-E1V voltage is 1.275V or less at power on. 1R5-E1V voltage is 1.275V or less when EV is maintained and "OUTV7 power = EV power" is specified. 2-10 [CONFIDENTIAL] TECRA M5 Maintenance Manual (960-542)
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