Asus ZS551KL Руководство по устранению неполадок - Страница 20
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LID apk passed, but LID test fail.
1.
Use x-ray to confirm all components in the picture are mounted, or demount
the shielding (the one with CPU & UFS) and check are there any lost
components.
2.
Demount the shielding and check the appearance of
surrounding components (wrong polarity, IC cracks, short circuits)
3.
Check the impedance of net
compare with normal PCB.
4.
If the impedance seems normal, please connect the SUB board and USB cable
to power on and check the net voltage of LID_EN、USBCON_LID. If both nets
are high level(1.8V), please change PQ8004.
996 LID test fail-BMMI
LID_EN、USBCON_LID
PQ8004, PQ8005
(with key parts), and
and their