Sdram Test; Audio Test - Asus P552W Manual

2.3.10 SDRAM Test

It is rare to observe this type of defect, but if this does occur, it is
likely that U601 is defective.

2.3.11 Audio Test

2.3.11.1 Headset Defect
Please check if there is any external damage to the headphone
connector first, if not, please verifies the following:
華 碩 電 腦
華 碩 電 腦
Figure 1.12. SDRAM Circuit
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