The following auxiliary input devices are supported by this computer:
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Numeric keypad
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External keyboard
If any of these devices do not work, reconnect the cable connector and repeat the failing operation.
Memory Check
Memory errors might stop system operations, show error messages on the screen, or hang the system.
1.
Boot from the diagnostics diskette and start the PQA program (please refer to “System Diagnostic
Diskette” on page 43.
2.
Go to the diagnostic memory in the test items.
3.
Press
m
in the test items.
4.
Follow the instructions in the message window.
NOTE:
Make sure that the DIMM is fully installed into the connector. A loose connection can cause an error.
Power System Check
To verify the symptom of the problem, power on the computer using each of the following power sources:
1.
Remove the battery pack.
2.
Connect the power adapter and check that power is supplied.
3.
Disconnect the power adapter and install the charged battery pack; then check that power is supplied by
the battery pack.
If you suspect a power problem, see the appropriate power supply check in the following list:
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“Check the Power Adapter” on page 75
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“Check the Battery Pack” on page 76
Check the Power Adapter
Unplug the power adapter cable from the computer and measure the output voltage at the plug of the power
adapter cable. See the following figure
1.
If the voltage is not correct, replace the power adapter.
2.
If the voltage is within the range, do the following:
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Replace the main board.
T
If the problem is not corrected, see “Undetermined Problems” on page 86.
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If the voltage is not correct, go to the next step.
NOTE:
An audible noise from the power adapter does not always indicate a defect.
3.
If the power-on indicator does not light up, check the power cord of the power adapter for correct
continuity and installation.
4.
If the operational charge does not work, see “Check the Battery Pack” on page 76.
Pin 1: +19 to +20.5V
Pin 2: 0V, Ground
TECHNICAL SERVICE MANUAL
Prestigio Signore 152
75
Summary of Contents for Signore 152
Page 1: ...PRESTIGIO SIGNORE 152 TECHNICAL SERVICE MANUAL ...
Page 2: ...Service Guide PART NO 49 42W01 Z01 PRINTED IN TAIWAN ...
Page 34: ...TECHNICALSERVICEMANUAL PrestigioSignore152 26 ...
Page 54: ...TECHNICALSERVICEMANUAL PrestigioSignore152 46 ...
Page 80: ...TECHNICALSERVICEMANUAL PrestigioSignore152 72 ...
Page 96: ...TECHNICALSERVICEMANUAL PrestigioSignore152 88 ...
Page 100: ...TECHNICALSERVICEMANUAL PrestigioSignore152 92 ...
Page 102: ...Exploded Diagram TECHNICALSERVICEMANUAL PrestigioSignore152 94 ...
Page 112: ...TECHNICALSERVICEMANUAL PrestigioSignore152 104 ...
Page 114: ...TECHNICALSERVICEMANUAL PrestigioSignore152 106 ...
Page 120: ...TECHNICALSERVICEMANUAL PrestigioSignore152 112 ...
Page 124: ...w w w p r e s t i g i o c o m ...