1.
2.
3.
1. If the area is abnormal, the signals that will affect are
LTE TxRx B32/B1/B3,Rx B7
2. If the area is abnormal, the signals that will affect are
LTE TxRx B5/B8/B20/B28/B7,Rx B1/3
3. If the area is abnormal, the signals that will affect are
GPS/wifi 2.4G chain0.
4. If the area is abnormal, the signals that will affect are
LTE TxRx B5/B8/B20/B28/B7,Rx B1/3
& GPS/wifi 2.4G/5G chain0.
5. If the area is abnormal, the signals that will affect are
LTE TxRx B5/B8/B20/B28/B7,Rx B1/3
4.
5.
Marked position, please keep it clean to avoid poor contact
Summary of Contents for ZS620KL
Page 1: ...ASUS ZS620KL RF Hardware Trouble Shooting Guide ...
Page 4: ...RF Block Diagram 2G 3G 4G System ...
Page 78: ...Draco_ZS620KL NFC Trouble Shooting 2018 03 26 Angela Wu 29966 ...
Page 80: ...NFC chip_MB Bot 淺藍色 NFC FPC天線彈片 ANT5501 ANT5502 ...
Page 85: ...Upside antenna assembly considerations ...
Page 97: ...Downside antenna assembly considerations ...
Page 98: ...Check the EMI gasket is affixed to the correct location ...
Page 99: ...Check the screws are locked Check the LDS missing or not ...
Page 100: ...Check whether the spring is conductive with the LDS and the spring is not loosened ...
Page 101: ...18n 15n 0 ohm 0 ohm 0 ohm 0 ohm 1n 2 2p QAT Check the component missing or not QAT parts ...
