Toshiba A20-S259 Maintenance Manual - Page 63
EMV output, 2R5-E2V output, 1R25-B1V output
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2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures q EMV output Error code 80h 81h 82h 83h 84h Meaning EMV voltage is over 3.00V when the computer is powered on/off. EMV voltage is 1.53V or less when the computer is powered on. EMV voltage is 1.53V or less when the computer is booting up. EMV voltage is 1.53V or more when the computer is powered off. EMV voltage is 1.53V when the computer is suspended. q 2R5-E2V output Error code 90h 91h 92h 93h 94h Meaning 2R5-E2V voltage is over 3.00V when the computer is powered on/off. 2R5-E2V voltage is 2.125V or less when the computer is powered on. 2R5-E2V voltage is 2.125V or less when the computer is booting up. 2R5-E2V voltage is 2.125V or more when the computer is powered off. 2R5-E2V voltage is 2.125V or less when the computer is suspended. q 1R25-B1V output Error code A0h A1h A2h A3h A4h Meaning 1R25-B 1V voltage is over 1.50V when the computer is powered on/off. 1R25-B 1V voltage is 1.063V or less when the computer is powered on. 1R25-B 1V voltage is not more than 1.063V when the computer is booting up. 1R25-B 1V voltage is 1.063V or less when the computer is powered off. 1R25-B 1V voltage is 1.063V or less when the computer is suspended. Satellite A20 Maintenance Manual (960-444) 2-13