Procedure 3 Connection Check; Ptv Output - Toshiba PORTÉGÉ Z930 Maintenance Manual

 PTV output
Error code Meaning
PTV voltage is over 1.26V.
D0h
PTV voltage is under 0.89V when the computer is powered on.
D1h
PTV voltage is under 0.89V when the computer is booting up.
D2h
 Miscellaneous
Error code Meaning
F0h The sub clock does not oscillate.
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 19 V socket and wall outlet. If the cables are connected firmly, go to the
following step.
 Connect a new AC adapter and AC power cord. If the problem still occurs, 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.

2.3.3 Procedure 3 Connection Check

The wiring diagram related to the power supply is shown below:
PORTÉGÉ Z930/Satellite Z930 Series Maintenance Manual (960-887) [CONFIDENTIAL]
Troubleshooting Procedures
2-19