Sony VAIO PCG-F540 Service Manual page 146

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• LED test...
Tests the LED. This test turns on one LED after another. The person conducting the test must visually check whether each
LED is normal or not.
• Main Memory test...
Tests the main memory. The test is exited automatically when all test items end normally.
• Main System test...
Tests the fundamental functions of the CPU, etc. The test is exited automatically when all test items end normally.
• FAN test...
Tests the fan. Tests whether the fan rotates and stops.
• Touch pad test...
Tests the touch pad. Tests whether the cursor moves, and whether right-clicking and left-clicking function properly.
• Serial loopback test...
Performs the loopback test of the serial port. Connect the port replicator and the loopback tool to the serial port.
• Parallel loopback test...
Performs the loopback test of the parallel port. Connect the port replicator and loopback tool to the parallel port.
• PC card Slot test...
Tests the PC card slot. Implements the 16-bit/card-bus test for the two slots of the main unit.
• Video test...
Tests the video signal. Several video patterns appear every time the key is pressed. The person conducting the test must
visually check whether the patterns appear properly.
• PPK test...
Tests the PPK. If the test is not completed within the specified time, an error is triggered due to the time-out set for this test.
When two or more PPKs are set, follow the instructions that appear on the screen.
• GUID (IEEE1394) test...
Displays the GUID value, and judges whether the value on the display is appropriate.
2-5
Confidential
PCG-F540/F560/F570/F580 (UC)

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