Asus ZS620KL Troubleshooting Manual Download Page 28

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LB PRX Path : B28B

BOTTOM

DPDT

U6409

Main diplexer

U6401

LB PAmid

U6421

LB LNA

U6601

RF Connector LB/MB

CON6404 CON6402

Duplexer

U6423

Transceriver

Summary of Contents for ZS620KL

Page 1: ...ASUS ZS620KL RF Hardware Trouble Shooting Guide ...

Page 2: ...d Bands WW 2G GSM GSM850 EGSM DCS PCS 3G WCDMA B1 B2 B5 B6 B19 B8 4G LTE FDD B1 B2 B3 B5 B7 B8 B18 B19 B20 B26 B28A B28B B4 B12 B17 B29 B30 B32 B34 LTE TDD B38 B39 B40 B41 4 4MIMO B3 B7 TDSCDMA B34 B39 CDMA BC0 LAA B46 ...

Page 3: ...ZS620KL Supported Bands TW 2G GSM GSM850 EGSM DCS PCS 3G WCDMA B1 B2 B5 B6 B19 B8 4G LTE FDD B1 B2 B3 B5 B7 B8 B18 B19 B20 B26 B28A B28B LTE TDD B38 B39 B40 B41 4 4MIMO B3 B7 ...

Page 4: ...RF Block Diagram 2G 3G 4G System ...

Page 5: ... QLN 1030 LB LNAs U6601 QLN 1020 HB Tx MB Tx LB Tx 2G Tx Diplexer U6401 MB TRx LB TRx Con6402 HB TRx Diplexer U6414 Con6401 B32 PRx LB PRx MB PRx HB PRx Tx PRx path block diagram 2G MB Tx HB B7 B30 B38 B40 B41 MB B1 B2 B3 B4 B32 B34 B39 LB B5 B8 B12 B17 B18 B19 B20 B26 B28A B28B B29 BC0 ...

Page 6: ... LNAs U6814 QLN 1030 LB LNAs U6832 QLN 1020 Diplexer U6801 MB DRx LB DRx Con6804 HB DRx Con6803 LB DRx MB DRx HB DRx DRx path block diagram HB B7 B30 B38 B40 B41 MB B1 B2 B3 B4 B32 B34 B39 LB B5 B8 B12 B17 B18 B19 B20 B26 B28A B28B B29 BC0 ...

Page 7: ...tenna Port定義 1 因此FBRX跟TX的Antenna Port只會有 0 for L M Band 4 for H Band 2 目前ZS620KL只support B3跟B7 4X4 MIMO Main L M B7 CON6402 DRX L M B7 CON6804 Main H Band B3 B32 CON6401 DRX H Band B3 B32 CON6803 0 4 2 6 ...

Page 8: ...RFM Device definition I 1 RFM Device is actually the location of the corresponding VCO RFM Device 0 7 indicate RX path 2 RFM Device 8 TX Chain 0 9 TX Chain 1 ...

Page 9: ...RX TX Antenna Port only have 0 for L M Band 4 for H Band 2 RFM Device only have 8 for CH0 9 for CH1 3 according to support ULCA B7 will have two paths one of which is B7 ULCA which can determine if B7 TX is abnormal ...

Page 10: ...DL CA Path II PRX OLN1030 B3 There are 10 signal path DRX OLN1030 B3 CA When the B3 B7 4 4 combination is used it is use L MB B7 upside antenna so the position is 2 ...

Page 11: ...DL CA路徑 II B7 會有18條signal path PRX OLN1030 DRX OLN1030 B7 CA When the B3 4 4 B7 combination is used it is use HB upside antenna so the position is 6 ...

Page 12: ...Rx RF Connector HB CON6403 CON6401 RF Connector LB MB CON6404 CON6402 TRx MB HB PAmid U6403 LB 2G PAmid U6421 B7 PA U6418 Main diplexer U6414 B3 4x4 B32 H Main diplexer U6401 L B32 M H LB QLN1020 U6601 MB HB QLN1030 U6605 ...

Page 13: ...Key Components DRx Div RF connector LB MB CON6804 Div RF connector HB CON6803 Transceri ver DiFEM U6802 DRX MB HB QLN1030 U6814 DRX LB QLN1020 U6814 Diversity diplexer U6801 L M B32 ...

Page 14: ...TX Path GSM 850 900 BOTTOM Transceriver LB PAmid U6421 Main diplexer U6401 DPDT U6409 RF Connector LB MB CON6404 CON6402 ...

Page 15: ...TX Path GSM DCS PCS BOTTOM Transceriver LB PAmid U6421 MB HB PAmid U6403 Diplexer MB HB U6410 Main diplexer U6401 DPDT U6409 RF Connector LB MB CON6404 CON6402 ...

Page 16: ...TX Path B5 B8 B12 B17 B18 B19 B20 B26 BC0 BOTTOM Transceriver LB PAmid U6421 Main diplexer U6401 DPDT U6409 RF Connector LB MB CON6404 CON6402 CH0 LB TX input ...

Page 17: ...TX Path B28A BOTTOM Transceriver LB PAmid U6421 Duplexer U6422 Main diplexer U6401 DPDT U6409 RF Connector LB MB CON6404 CON6402 ...

Page 18: ...TX Path B28B Transceriver LB PAmid U6421 Main diplexer U6401 DPDT U6409 RF Connector LB MB CON6404 CON6402 Duplexer U6423 BOTTOM ...

Page 19: ...TX Path B1 B2 B3 B4 B34 B39 BOTTOM Transceriver MB HB PAmid U6403 Diplexer MB HB U6410 Main diplexer U6401 DPDT U6409 RF Connector LB MB CON6404 CON6402 ...

Page 20: ...TX Path B7 B38 B40 B41 BOTTOM MB HB PAmid U6403 Low Pass Filter U6402 Main diplexer U6414 B3 4x4 B32 H DPDT U6425 B3 4x4 B32 H RF Connector HB CON6401 CON6403 Transcerive r ...

Page 21: ...TX Path B30 WW BOTTOM MB HB PAmid U6403 Transcerive r Duplexer Filter U6419 Low Pass Filter U6402 Main diplexer U6414 B3 4x4 B32 H DPDT U6425 B3 4x4 B32 H RF Connector HB CON6401 CON6403 ...

Page 22: ...TX Path B7 ULCA RFM 9 BOTTOM Transcerive r B7 PA U6418 Duplexer U6417 MB HB PAmid U6403 Low Pass Filter U6402 DPDT U6425 B3 4x4 B32 H ...

Page 23: ...Key Components DCDC for PA DCDC converter U6301 WW HB MB Tx TW All band 3G 4G DCDC converter U6302 WW B7 PA SKY77781 and LB Pamid TW NC ...

Page 24: ...LB PRX Path B5 B18 B19 B26 GSM850 BOTTOM DPDT U6409 Main diplexer U6401 RF Connector LB MB CON6404 CON6402 LB PAmid U6421 LB LNA U6601 Transceriver ...

Page 25: ...LB PRX Path B8 GSM900 BOTTOM DPDT U6409 Main diplexer U6401 RF Connector LB MB CON6404 CON6402 LB PAmid U6421 LB LNA U6601 Transceriver ...

Page 26: ...LB PRX Path B20 BOTTOM DPDT U6409 Main diplexer U6401 RF Connector LB MB CON6404 CON6402 LB PAmid U6421 LB LNA U6601 Transceriver ...

Page 27: ...LB PRX Path B28A BOTTOM DPDT U6409 Main diplexer U6401 LB PAmid U6421 LB LNA U6601 RF Connector LB MB CON6404 CON6402 Duplexer U6422 Transceriver ...

Page 28: ...LB PRX Path B28B BOTTOM DPDT U6409 Main diplexer U6401 LB PAmid U6421 LB LNA U6601 RF Connector LB MB CON6404 CON6402 Duplexer U6423 Transceriver ...

Page 29: ...LB PRX Path B12 B17 WW BOTTOM DPDT U6409 Main diplexer U6401 RF Connector LB MB CON6404 CON6402 LB PAmid U6421 LB LNA U6601 Transceriver ...

Page 30: ...LB PRX Path B29 WW BOTTOM DPDT U6409 Main diplexer U6401 RF Connector LB MB CON6404 CON6402 LB PAmid U6421 LB LNA U6601 SAW Filter U6424 Transceriver ...

Page 31: ...MB PRX Path B1 B4 BOTTOM Transceriver Main diplexer U6401 RF Connector LB MB CON6404 CON6402 DPDT U6409 Diplexer U6410 MB HB PAmid U6403 MB HB LNA U6605 ...

Page 32: ...MB PRX Path B2 PCS BOTTOM RF Connector LB MB CON6404 CON6402 MB HB LNA U6605 Main diplexer U6401 DPDT U6409 MB HB PAmid U6403 Diplexer U6410 Transceriver ...

Page 33: ...MB PRX Path B34 WW BOTTOM RF Connector LB MB CON6404 CON6402 MB HB LNA U6605 DPDT U6409 Diplexer U6410 MB HB PAmid U6403 Main diplexer U6401 Transceriver ...

Page 34: ...MB PRX Path B39 BOTTOM RF Connector LB MB CON6404 CON6402 MB HB LNA U6605 DPDT U6409 Diplexer U6410 MB HB PAmid U6403 Main diplexer U6401 Transceriver ...

Page 35: ...MB PRX Path B3 DCS signal path 0 2 BOTTOM RF Connector LB MB CON6404 CON6402 MB HB LNA U6605 DPDT U6409 Diplexer U6410 MB HB PAmid U6403 Main diplexer U6401 Transceriver ...

Page 36: ...RX Path B3_4x4 signal path 4 6 BOTTOM DPDT U6425 B3 4x4 B32 H RF Connector HB CON6401 CON6403 Main diplexer U6414 B3 4x4 B32 H MB HB PAmid U6403 Diplexer U6420 SAW Filter U6404 MB HB LNA U6605 Transceriver ...

Page 37: ...HB PRX Path B7 signal path 0 2 BOTTOM DPDT U6425 B3 4x4 B32 H RF Connector HB CON6401 CON6403 Low Pass Filter U6402 Main diplexer U6414 B3 4x4 B32 H MB HB PAmid U6403 MB HB LNA U6605 Transceriver ...

Page 38: ...HB PRX Path B7_4x4 signal path 4 6 BOTTOM RF Connector LB MB CON6404 CON6402 DPDT U6409 Diplexer U6410 Main diplexer U6401 SAW Filter U6412 MB HB LNA U6605 Transceriver ...

Page 39: ...Path B7 ULCA signal path 8 10 BOTTOM DPDT U6425 B3 4x4 B32 H RF Connector HB CON6401 CON6403 Low Pass Filter U6402 Main diplexer U6414 B3 4x4 B32 H MB HB PAmid U6403 Duplexer U6417 MB HB LNA U6605 Transceriver ...

Page 40: ...HB PRX Path B38 B41 BOTTOM DPDT U6425 B3 4x4 B32 H RF Connector HB CON6401 CON6403 Low Pass Filter U6402 Main diplexer U6414 B3 4x4 B32 H MB HB PAmid U6403 MB HB LNA U6605 Transceriver ...

Page 41: ...PRX Path B40 BOTTOM DPDT U6425 B3 4x4 B32 H RF Connector HB CON6401 CON6403 Low Pass Filter U6402 Main diplexer U6414 B3 4x4 B32 H MB HB PAmid U6403 MB HB LNA U6605 Transceriver ...

Page 42: ...HB PRX Path B30 WW BOTTOM DPDT U6425 B3 4x4 B32 H RF Connector HB CON6401 CON6403 Low Pass Filter U6402 Main diplexer U6414 B3 4x4 B32 H MB HB PAmid U6403 MB HB LNA U6605 Duplexer U6419 Transceriver ...

Page 43: ...MB PRX Path B32 WW BOTTOM DPDT U6425 B3 4x4 B32 H RF Connector HB CON6401 CON6403 Main diplexer U6414 B3 4x4 B32 H MB HB PAmid U6403 Diplexer U6420 SAW Filter U6602 MB HB LNA U6605 Transceriver ...

Page 44: ...LB DRX Path B5 B18 B19 B26 BOTTOM Transceriver DPDT U6804 Diplexer U6801 DiFEM U6802 LNA U6832 Diversity Connector LB MB CON6804 ...

Page 45: ...LB DRX Path B8 BOTTOM DPDT U6804 Diplexer U6801 DiFEM U6802 LNA U6832 Diversity Connector LB MB CON6804 Transceriver ...

Page 46: ...LB DRX Path B20 BOTTOM DPDT U6804 Diplexer U6801 DiFEM U6802 LNA U6832 Diversity Connector LB MB CON6804 Transceriver ...

Page 47: ...LB DRX Path B12 B17 WW BOTTOM Transceriver DPDT U6804 Diplexer U6801 DiFEM U6802 LNA U6832 Diversity Connector LB MB CON6804 ...

Page 48: ...LB DRX Path B28A B28B BOTTOM DPDT U6804 Diplexer U6801 DiFEM U6802 LNA U6832 Diversity Connector LB MB CON6804 SAW Filter U6835 Transceriver ...

Page 49: ...LB DRX Path B29 WW BOTTOM Transceriver DPDT U6804 Diplexer U6801 DiFEM U6802 LNA U6832 Diversity Connector LB MB CON6804 ...

Page 50: ...MB DRX Path B1 B4 BOTTOM Diversity Connector LB MB CON6804 DPDT U6804 Diplexer U6801 DiFEM U6802 LNA U6814 Transceriver ...

Page 51: ...MB DRX Path B2 BOTTOM Diversity Connector LB MB CON6804 DPDT U6804 Diplexer U6801 DiFEM U6802 LNA U6814 Transceriver ...

Page 52: ...MB DRX Path B34 WW BOTTOM DPDT U6804 Diplexer U6801 DiFEM U6802 LNA U6814 Diversity Connector LB MB CON6804 SAW Filter U6807 Transceriver ...

Page 53: ...DRX Path B39 BOTTOM DPDT U6804 Diplexer U6801 DiFEM U6802 LNA U6814 Diversity Connector LB MB CON6804 Transceriver ...

Page 54: ...MB DRX Path B3 signal path 1 3 BOTTOM DPDT U6804 Diplexer U6801 DiFEM U6802 LNA U6814 Diversity Connector LB MB CON6804 Transceriver ...

Page 55: ...MB DRX Path B3_4x4MIMO signal path 8 9 DPDT U6804 Diplexer U6801 DiFEM U6802 Diversity Connector LB MB CON6804 LNA U6814 Transceriver Dual SAW Filter U6805 ...

Page 56: ...MB DRX Path B3 _4x4MIMO signal path 5 7 Diversity Connector HB CON6803 DPDT U6839 DiFEM U6802 LNA U6814 Diplexer U6803 Dual SAW Filter U6831 Transceriver BOTTOM ...

Page 57: ...HB DRX Path B7 signal path 1 3 BOTTOM Diversity Connector HB CON6803 DPDT U6839 DiFEM U6802 LNA U6814 Transceriver ...

Page 58: ...HB DRX Path B7_4x4MIMO signal path 16 17 Diversity Connector HB CON6803 DPDT U6839 DiFEM U6802 LNA U6814 Diplexer U6803 Dual SAW Filter U6831 Transceriver BOTTOM ...

Page 59: ...DPDT U6804 Diplexer U6801 DiFEM U6802 Diversity Connector LB MB CON6804 LNA U6814 Transceriver Dual SAW Filter U6805 HB DRX Path B7 _4x4MIMO signal path 5 7 ...

Page 60: ...HB DRX Path B38 B41 BOTTOM Diversity Connector HB CON6803 DPDT U6839 DiFEM U6802 LNA U6814 Transceriver ...

Page 61: ...HB DRX Path B40 WW BOTTOM Diversity Connector HB CON6803 DPDT U6839 DiFEM U6802 LNA U6814 SPDT U6836 Transceriver ...

Page 62: ...HB DRX Path B40 TW BOTTOM Diversity Connector HB CON6803 DPDT U6839 DiFEM U6802 LNA U6814 Transceriver ...

Page 63: ...HB DRX Path B30 WW BOTTOM Diversity Connector HB CON6803 DPDT U6839 DiFEM U6802 LNA U6814 SPDT U6836 SAW Filter U6837 Transceriver ...

Page 64: ...HB DRX Path B32 WW Diversity Connector HB CON6803 DPDT U6839 DiFEM U6802 LNA U6814 Diplexer U6803 SAW Filter U6806 Transceriver BOTTOM ...

Page 65: ...WIFI BT GPS 5G Block Diagram 1 2 BT WiFi GPS 5G Antenna CH0 Coupler Tripelxer GPS SAW GPS LNA GPS SAW SDR845 5GHz SPDT LAA PRX WIFI 5GHz SPDT WCN3990 QLN1030 2 4GHz ...

Page 66: ...WIFI BT GPS 5G Block Diagram 2 2 BT WiFi 5G Antenna CH1 Coupler Dipelxer SDR845 5GHz SPDT LAA DRX WIFI 5GHz SPDT WCN3990 QLN1030 2 4GHz ...

Page 67: ...nts 5G BT Wi Fi GPS NFC 1 2 CH0 Coupler GPS 2 4G 5G U6113 CH0 Triplexer GPS 2 4G 5G U6101 GPS SAW U6103 GPS LNA U6104 CH0 SPDT WIFI LTEU PRX U6109 WCN3990 WIFI CHIP U6001 GPS SAW U6112 WiFi 5G CH0 Tx Rx SPDT U6115 ...

Page 68: ...Key Components 5G BT Wi Fi GPS NFC 2 2 CH1 SPDT WIFI LTEU DRX U6107 NFC IC U5401 WCN3990 WIFI CHIP U6001 CH1 Coupler 2 4G 5G U6116 CH1 Diplexer 2 4G 5G U6106 WiFi 5G CH1 Tx Rx SPDT U6115 ...

Page 69: ...GPS Path BOTTOM TOP Antenna Ant6101 CH0 Coupler U6113 CH0 Triplexer U6101 GPS SAW U6103 GPS LNA U6104 GPS SAW U6112 BOTTOM Transceriver ...

Page 70: ...WiFi 2 4G BT CH0 BOTTOM TOP Antenna Ant6101 CH0 Coupler U6113 CH0 Triplexer U6101 GPS SAW U6114 WCN3990 WIFI CHIP U6001 ...

Page 71: ...WiFi 2 4G CH1 BOTTOM Antenna Ant6103 TOP CH1 Coupler U6116 CH1 Diplexer U6106 SAW U6117 WCN3990 WIFI CHIP U6001 ...

Page 72: ...WiFi 5G CH0 WW Antenna Ant6101 CH0 Coupler U6113 CH0 Triplexer U6101 SAW U6110 WCN3990 WIFI CHIP U6001 BOTTOM TOP SPDT U6109 SPDT U6115 WIFI 5G CH0 RX WIFI 5G CH0 TX ...

Page 73: ...WiFi 5G CH0 TW Antenna Ant6101 CH0 Coupler U6113 CH0 Triplexer U6101 SAW U6110 WCN3990 WIFI CHIP U6001 BOTTOM SPDT U6115 TOP WIFI 5G CH0 RX WIFI 5G CH0 TX ...

Page 74: ...WiFi 5G CH1 WW Antenna Ant6103 CH1 Coupler U6116 CH1 Diplexer U6106 SAW U6111 WCN3990 WIFI CHIP U6001 BOTTOM TOP SPDT U6118 WIFI 5G CH1 RX WIFI 5G CH1 TX SPDT U6107 ...

Page 75: ...WiFi 5G CH1 TW Antenna Ant6103 CH1 Coupler U6116 CH1 Diplexer U6106 SAW U6111 WCN3990 WIFI CHIP U6001 BOTTOM TOP SPDT U6118 WIFI 5G CH1 RX WIFI 5G CH1 TX ...

Page 76: ...PRX Path LAA PRx WW Antenna Ant6101 CH0 Coupler U6113 CH0 Triplexer U6101 SAW U6110 LNA U6605 BOTTOM TOP SPDT U6109 BOTTOM ...

Page 77: ...DRX Path LAA DRx WW Antenna Ant6103 CH1 Coupler U6116 CH1 Diplexer U6106 SAW U6111 LNA U6814 TOP SPDT U6107 BOTTOM BOTTOM ...

Page 78: ...Draco_ZS620KL NFC Trouble Shooting 2018 03 26 Angela Wu 29966 ...

Page 79: ...NFC chip_MB Top 紅色 NFC chip NFC週邊電路元件上件粉紅色 NFC週邊電路元件不上件黃色 NFC matching 元件上件深藍色 NFC matching 元件不上件 NFC Chip U5401 NFC chip ...

Page 80: ...NFC chip_MB Bot 淺藍色 NFC FPC天線彈片 ANT5501 ANT5502 ...

Page 81: ...NFC NFC chip NFC週邊電路元件上件 NFC週邊電路元件不上件 NFC matching 元件上件 NFC matching 元件不上件 NFC chip NFC chip ...

Page 82: ...NFC LDS Antenna NFC FPC antenna spring ANT5501 ANT5502 1 Check the spring deformation or not the spring angle 60 degrees ...

Page 83: ...NFC LDS TOP BOT 2 Check the two pads short or not 3 Check the Ferrite pattern is wrong or not Ferrite NFC spring connect location ...

Page 84: ...Device The Screw near NFC spring 4 Check whether the 5 screws shown on the left icon are locked ...

Page 85: ...Upside antenna assembly considerations ...

Page 86: ...a location map Feed M H B32 Front Camera Speaker Vibrator LDS pattern Rear Camera Feed L M H Feed GPS Wifi 0 5G0 Feed Wifi1 5G1 L LTE B5 B8 B20 B28 Tx Rx M LTE B1 B3 Tx Rx H LTE B7 Tx Rx M LTE B1 B3 Rx only H LTE B7 Rx only ...

Page 87: ... 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 ...

Page 88: ...Motherboard considerations Bottom side B3 H B32 spring GPS Wifi0 spring L M B7 spring 5G0 Spring deformation Wifi1 5G1 H If the deformation of the spring will affect the test results Normal spring ...

Page 89: ...B3 H B32 0 ohm Component offset or Cold soldering will cause M H B32 test fail Bottom side 0 ohm 3 9 nH 2 4 pF ...

Page 90: ... sure there is no stain in the copper foil area a Make sure the EMI gasket is connected to the yellow mark on the motherboard b Make sure the EMI gasket is connected to the blue mark on the motherboard A frame Make sure frame is no stain Top side ...

Page 91: ...L M B7 0 ohm 0 5 pF 8 2 nH 2 4 pF 2 7 nH 0 3 pF Bottom side Component offset or cold soldering will cause L M B7 test fail If the deformation of the spring will affect the M H ...

Page 92: ...L M B7 B case LDS Confirm Laser Direct Structuring antenna broken or not If the case is abnormal the signals that will affect are LTE B1 B3 B7 ...

Page 93: ...GPS Wifi0 If the deformation of the spring will affect the 5G 1 8 nH 1 8 pF 0 ohm 3 6 nH Component offset or cold soldering will cause GPS wifi0 5G0 test fail ...

Page 94: ...GPS Wifi0注意事項 B殼LDS This gap can not be shorted Confirm Laser Direct Structuring antenna broken or not If the case is abnormal the signals that will affect are 5G0 pattern ...

Page 95: ...Wifi1 0 ohm Component offset or cold soldering will cause wifi1 5G1 test fail If the deformation of the spring will affect the 2 4G1 5G1 ...

Page 96: ...Wifi1 B cover LDS Confirm Laser Direct Structuring antenna broken or not This gap can not be shorted ...

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 ...

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