DIAGRAMA DE SAMSUNG J7
C1158 VDD_FEMID_2V8 C1039 C1135 L1013 0603 ANT1000 U1013 2 PORT1 C1134 ANT1001 GND 12 ANT 11 GND 10 C1041 3 3 GND 9 PORT2 8 GND 7 C1132 R1000 C1030 C1133 MAIN_GND_SEL C1018 ANT L1003 6 G3 G2 G1 5 4 2 C1015 L1005 C1113 C1090 C1115 RFS1000 2 1 ANT 4 COMMON3 GG U1044 C1023 U1019 L1008 C1060 C1035 R1010 C1016 L1010 U1023 C1031 C1119 L1056 L1030 C1059 C1045 C1153 U1038 L1020 C1152 C1056 C1075 C1046 C1057 L1024 C1017 C1024 L1034 L1041 C1084 C1019 C1027 C1101 C1155 F1006 4 1 UNBAL UNBAL 6 NC G G G 5 3 2 C1048 L1004 L1011 L1045 R1004 C1087 C1083 L1029 L1031 L1036 C1048 L1032 C1076 0603 R1001 L1038 L1069 C1149 C1069 L1017 C1045 L1035 C1046 OUT 3 GND1 2 1 5% L1020 L1046 COUPLING 6 C1042 C1098 C1161 C1154 C1086 L1040 U1011 C1022 C1023 C1043 L1007 L1010 C1031 39 14 1 25 B1_TX B1_RX 4 30 B2_TX B2_RX 3 28 NC B3_RX 2 36 B3_TX B5_RX 5 34 B5_TX B8_RX 6 33 B8_TX B20_RX 7 B20_TX 16 TRX1 18 40 TRX2 20 TRX3 23 TRX4 SCLK 9 38 GH_TX NC 10 GL_TX 32 8 11 12 13 15 17 19 21 22 31 24 26 27 29 35 37 43 44 45 46 47 48 49 50 GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND_TH GND_TH GND_TH GND_TH GND_TH GND_TH L1055 OSC1000 VDD L1048 C1078 C1102 C1129 L1037 R1011 C1124 C1106 ANT VDD_CP_1P8 C1035 C1006 C1017 C1024 0603 C1007 C1034 C1037 C1040 L1015 L1019 C1136 C1019 L1001 C1027 L1004 L1011 C1164 Level 3 Repair VDD_FEMID_2V8 TRX_B7 L1025 C1053 C1056 L1026 L1029 U1025 VPA_APT1 VBAT RX0_B7 C1061 1 3 RX TX C1062 C1063 VPA_APT1 L1031 8 G6 G5 7 L1032 L1069 VDD_CP_1P8 C1160 C1070 C1073 TX_SW_CTL_B7_40 PAM1001 TX_PA_OUT_B40 C1152 C1075 L1034 F1002 4 OUT IN 1 6 NC G G G 5 3 2 L1036 C1076 C1149 VDD 4 CTRL 6 1 RF2 GND 2 RF1 RFIN 3 5 U1031 C1077 C1150 C1151 10 1 VCC2 VCC1 9 2 RF_OUT RF_IN 8 3 SEL VBATT 7 GND VIO 4 C1078 L1037 C1079 RFIC0_TX0_B7_B40 RFFE0_CLK 6 CLK 5 DATA RFFE0_DATA 11 GND B7/B40 HIGH-BAND PA RX0_B1 1 1 2 2 RX0_B2_PCS VDD_FEMID_2V8 1 1 2 2 3 3 4 TRM_PORT 5 GND2 IN RX0_B3_DCS 1 GND 3 GND MAIN_FORWARD RX0_B5_G850 4 VDD 5 GND 6 CTL 13 MARK 14 MARK MAIN ANT RX0_B40 TX_PA_OUT_B1 TX_PA_OUT_B2 TX_PA_OUT_B4 TX_PA_OUT_B3 TX_PA_OUT_B5 TX_PA_OUT_B8 TX_PA_OUT_B17 TX_PA_OUT_B20 TRX_B28 TX_PA_OUT_B40 TRX_B7 TX_PA_OUT_GSMHB TX_PA_OUT_GSMLB U1019 VIO 41 SDATA 42 RFFE0_DATA RFFE0_CLK CTL_B1_4 RX0_B8_EGSM RX0_B17/B20 L1047 C1099 C1123 L1061 C1122 C1081 R1005 C1103 C1092 C1082 C1100 C1108 C1105 C1052 R1007 L1023 C1089 SC1001 C1088 L1000 C1012 L1006 L1009 C1029 C1005 L1002 C1037 C1034 L1053 L1054 L1012 C1036 L1049 C1044 L1018 C1038 C1042 L1014 C1043 C1011 L1021 C1050 U1043 C1118 C1074 L1033 F1000 F1001 L1039 C1085 C1080 C1097 F1003 C1104 C1107 C1148 C1071 L1057 C1054 C1055 L1058 L1059 L1015 C1040 C1136 L1019 C1007 L1001 C1006 C1061 C1109 F1006 L1022 C1051 C1062 C1063 C1150 L1017 U1025 U1041 C1094 C1095 C1096 U1045 U1037 R1014 C1127 C1126 C1117 C1156 C1121 L1060 L1063 C1125 L1051 C1128 F1004 L1062 L1065 L1066 L1052 F1005 L1064 C1111 C1110 C1073 PAM1001 C1160 C1112 L1050 U1011 L1007 C1022 C1066 C1130 C1147 L1025 L1026 F1002 C1077 U1031 C1151 C1053 C1069 C1161 C1070 C1079 C1164 8-48 Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Level 3 Repair 8-4-22. LTE BAND 40 RX NORMAL CONDITION catch the channel? Yes Check C1045, L1020, C1046, C1048, L1017 soldering condition for any damage (crack, open, etc) Yes CHECK soldered components C1045, L1020, C1046, C1048, L1017 No Check F1006, U1019 for any damage (crack, open, etc) Yes Resolder or change F1006, U1019 No Check U1045 for any damage (crack, open, etc) Yes Resolder or change U1045 No Change the board END 8-49 Confidential and proprietary-the contents in this service guide subject to change without prior notice. Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
- Page 1 and 2: 8. Level 3 Repair 8-1. Components L
- Page 3 and 4: SUS1001 R4024 C4105 R4022 C4104 R40
- Page 5 and 6: Level 3 Repair 8-4. Flow Chart of T
- Page 7 and 8: Level 3 Repair Distribution, transm
- Page 9 and 10: Level 3 Repair Distribution, transm
- Page 11 and 12: Level 3 Repair 8-4-4. Sim Part - Si
- Page 13 and 14: Level 3 Repair 8-4-4. Sim Part - Si
- Page 15 and 16: Level 3 Repair 8-4-5. Charging Part
- Page 17 and 18: Level 3 Repair 8-4-6. OTG OTG does
- Page 19 and 20: Level 3 Repair 8-4-7. Proxy Sensor
- Page 21 and 22: Level 3 Repair 8-4-8 Microphone Par
- Page 23 and 24: Level 3 Repair 8-4-9. Speaker Part
- Page 25 and 26: Level 3 Repair 8-4-10. Receiver Par
- Page 27 and 28: Level 3 Repair 8-4-10. Receiver Par
- Page 29 and 30: Level 3 Repair 8-4-11. BT/WIFI BT/W
- Page 31 and 32: Level 3 Repair 8-4-12. GPS GPS is n
- Page 33 and 34: Level 3 Repair 8-4-14. OCTA (LCD +
- Page 35 and 36: Level 3 Repair 8-4-15. 13M CAM "Cam
- Page 37 and 38: C6098 R6027 TP_FLASH_TORCH L5002 TP
- Page 39 and 40: Level 3 Repair Distribution, transm
- Page 41 and 42: Level 3 Repair 8-4-17. Motor Motor
- Page 43 and 44: Level 3 Repair 8-4-19. GSM 850,900,
- Page 45 and 46: Level 3 Repair 8-4-20. GSM 850,900,
- Page 47: Level 3 Repair 8-4-21. LTE BAND 7 R
- Page 51 and 52: Level 3 Repair 8-4-22. LTE BAND 7,4
- Page 53: Level 3 Repair 8-5. Service Schemat
Level 3 Repair<br />
8-4-22. LTE BAND 40 RX<br />
NORMAL CONDITION<br />
catch the channel?<br />
Yes<br />
Check<br />
C1045, L1020, C1046, C1048, L1017<br />
soldering condition for any damage<br />
(crack, open, etc)<br />
Yes<br />
CHECK soldered components<br />
C1045, L1020, C1046, C1048, L1017<br />
No<br />
Check F1006, U1019 for any<br />
damage (crack, open, etc)<br />
Yes<br />
Resolder or change<br />
F1006, U1019<br />
No<br />
Check U1045 for any damage<br />
(crack, open, etc)<br />
Yes<br />
Resolder or change<br />
U1045<br />
No<br />
Change the board<br />
END<br />
8-49<br />
Confidential and proprietary-the contents in this service guide subject to change without prior notice.<br />
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
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