Toshiba A3X manual ‰ PTV output P75

2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting

‰PTV output (P75)

Error code	Meaning
D0h	PTV voltage is over 2.16V when the computer is powered on/off.
D1h	PTV voltage is 0.89V or less when the computer is powered on.
D2h	PTV voltage is 0.89V or less when the computer is booting up.
D3h	PTV voltage is 0.89V or more when the computer is powered off.
	(PV power is off)

‰PTV output (P77: MUX_CH1)

Error code	Meaning
E0h	PTV voltage is over 1.26V when the computer is powered on/off.
E1h	PTV voltage is 0.89V or less when the computer is powered on.
E2h	PTV voltage is 0.89V or less when the computer is booting up.
E3h	PTV voltage is 0.89V or less when the computer is powered off.
	(PV power is off)

Check 2 In the case of error code 10h or 12h:

‰Make sure the AC adapter and AC power cord are firmly plugged into the DC IN 15 V socket and wall outlet. If the cables are connected correctly, go to the following step:

‰Connect a new AC adapter and AC power cord. If the error still exists, go to Procedure 5.

Check 3 In the case of error code 21h:

‰Go to Procedure 3.

Check 4 For any other errors, go to Procedure 5.

2-12 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)