Asus TZ-900 Technical Information download pdf (Page 151)

Chapter 4 141

USB Failure (Right up/down side)

If the rightside USB port fails, perform the following actions one at a time to correct the problem. Do not

replace non-defective FRUs:

Other Failures

If the VGA board, LAN Port, external MIC or Speakers, PCI Express Card, 5-in-1 Card Reader or Volume

Wheel fail, perform the following general steps to correct the problem. Do not replace non-defective FRUs:

1. Check whether the drive is OK.

2. Verify that the Test Fixture is ok.

3. Swap the mainboard and retest.

Start

Check USB/B to

M/B cable

Re-assemble the

USB/B cable to M/B

OK

NG

Check USB/B

OK

Swap USB/B and

USB cable

OK

NG

Swap M/B

Start

Check USB/B to

M/B cable

Re-assemble the

USB/B cable to M/B

OK

NG

Check USB/B

OK

Swap USB/B and

USB cable

OK

NG

Swap M/B

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