Samsung sm-r750 Service Manual Download | Manualshive

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Level 2 Repair

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

Confidential and proprietary-the contents in this service guide subject to change without prior notice.

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Summary of Contents for sm-r750

Page 1: ...ionality features specifications and other product information provided in this document including but not limited to benefits design pricing components performance availability and capabiliti es of t...

Page 2: ...is Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd 2014 09 Rev 1...

Page 3: ...912 927 957 ARFCN range 0 124 975 1023 512 885 UL 9612 9888 DL 10562 10838 UL 2712 2863 DL 2937 3088 Tx Rx spacing 45MHz 95MHz 190MHz 45MHz Mod Bit rate Bit Period 236 8kbps 236 8kbps 42 2Mbps DL 5 76...

Page 4: ...prior notice 2 2 2 2 GSM Tx Power Class TX Power control level EGSM900 5 33 2 dBm 6 31 2 dBm 7 29 2 dBm 8 27 2 dBm 9 25 2 dBm 10 23 2 dBm 11 21 2 dBm 12 19 2 dBm 13 17 2 dBm 14 15 2 dBm 15 13 2 dBm 1...

Page 5: ...thout Samsung s written authorization is strictly prohibited Main Function Tizen OS HSPA 21Mbps HSUPA 5 7Mbps 2 0 OCTA S AMOLED 360 480 GPS BT v4 1 USB v2 0 WiFi 802 11 b g n Sensors Accelerometer Gyr...

Page 6: ...quality screwdrivers when servicing products Low quality screwdrivers can easily damage the heads of screws Use only conductor wire of the properly gauge and insulation for low resistance because of...

Page 7: ...tatic bags when you store or transport them Always use an anti static strap or wristband and remove electrostatic buildup or dissipate static electricity from your body before repairing ESDs Ensure th...

Page 8: ...4 DIODE TVS 0406 001596 ZD402 DIODE TVS 0406 001596 ZD403 DIODE TVS 0505 002652 TR400 FET SILICON 0903 001959 U504 IC MICROCONTROLLER 1108 000556 UCP300UP IC MCP 1201 003699 U100 IC POWER AMP 1201 003...

Page 9: ...007315 R307 R CHIP 2007 007943 R439 R CHIP 2007 008052 R418 R CHIP 2007 008052 R501 R CHIP 2007 008052 R503 R CHIP 2007 008055 R440 R CHIP 2007 008055 R504 R CHIP 2007 008419 R448 R CHIP 2007 008420 R...

Page 10: ...R326 R CHIP 2007 011378 R328 R CHIP 2007 011378 R363 R CHIP 2007 011541 R505 R CHIP 2007 011541 R506 R CHIP 2007 011541 R514 R CHIP 2007 011541 R515 R CHIP 2007 011541 R516 R CHIP 2007 011541 R517 R...

Page 11: ...6 C CER CHIP 2203 000311 C178 C CER CHIP 2203 005682 C120 C CER CHIP 2203 005682 C124 C CER CHIP 2203 005682 C131 C CER CHIP 2203 005682 C133 C CER CHIP 2203 005682 C174 C CER CHIP 2203 005682 C182 C...

Page 12: ...IP 2203 005806 R401 C CER CHIP 2203 006121 C170 C CER CHIP 2203 006121 C241 C CER CHIP 2203 006121 C242 C CER CHIP 2203 006208 C519 C CER CHIP 2203 006348 C542 C CER CHIP 2203 006348 C543 C CER CHIP 2...

Page 13: ...IP 2203 007271 C408 C CER CHIP 2203 007317 C128 C CER CHIP 2203 007317 C419 C CER CHIP 2203 007317 C420 C CER CHIP 2203 007317 C421 C CER CHIP 2203 007317 C424 C CER CHIP 2203 007317 C425 C CER CHIP 2...

Page 14: ...IP 2203 007449 C426 C CER CHIP 2203 007449 C427 C CER CHIP 2203 007449 C428 C CER CHIP 2203 007449 C435 C CER CHIP 2203 007449 C478 C CER CHIP 2203 007449 C480 C CER CHIP 2203 007449 C517 C CER CHIP 2...

Page 15: ...IP 2203 007621 C315 C CER CHIP 2203 007621 C316 C CER CHIP 2203 007621 C319 C CER CHIP 2203 007621 C320 C CER CHIP 2203 007621 C321 C CER CHIP 2203 007621 C322 C CER CHIP 2203 007621 C323 C CER CHIP 2...

Page 16: ...IP 2203 007795 C493 C CER CHIP 2203 007795 C500 C CER CHIP 2203 007795 C501 C CER CHIP 2203 007795 C502 C CER CHIP 2203 007795 C503 C CER CHIP 2203 007795 C515 C CER CHIP 2203 007796 C130 C CER CHIP 2...

Page 17: ...2203 008097 C521 C CER CHIP 2203 008097 C529 C CER CHIP 2203 008199 BAT400 C CER CHIP 2203 008242 C336 C CER CHIP 2203 008242 C505 C CER CHIP 2203 008242 C545 C CER CHIP 2203 008312 C403 C CER CHIP 22...

Page 18: ...29 INDUCTOR SMD 2703 004037 L104 INDUCTOR SMD 2703 004037 L110 INDUCTOR SMD 2703 004193 L207 INDUCTOR SMD 2703 004259 L125 INDUCTOR SMD 2703 004286 L122 INDUCTOR SMD 2703 004289 L120 INDUCTOR SMD 2703...

Page 19: ...9 L124 BEAD SMD 3301 001812 L202 BEAD SMD 3301 001812 L203 BEAD SMD 3301 001885 L205 BEAD SMD 3301 001885 L208 BEAD SMD 3301 001895 L126 BEAD SMD 3301 002035 L405 BEAD SMD 3301 002235 L504 BEAD SMD 33...

Page 20: ...35A CN100 PAD GAP SMD GASKET GH62 00035A CN101 PAD GAP SMD GASKET GH62 00035A CN102 PAD GAP SMD GASKET GH80 03320A C168 SOLDER CREAM GH80 03320A C179 SOLDER CREAM GH80 03321A L211 SOLDER CREAM GH80 03...

Page 21: ...s strictly prohibited 6 1 S W Download 6 1 1 Pre requisite for S W Downloading Downloader Program Odin3 v3 09 exe Download Jig Charger Dock GH98 34758A black or GH98 34758B White Data Link Cable GH39...

Page 22: ...data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 6 2 Load...

Page 23: ...lect files Check Auto Reboot Re Partition and F Reset Time then select PIT BL AP CP and CSC File 2 Enter the Device into Download Mode Press the Power key for 7 seconds and the Press the Power Key 1 m...

Page 24: ...y the contents in this service guide subject to change without prior notice 6 4 3 Connect the Device to PC via Data Cable Make sure ID COM box highlighted blue that the device is connected to the PC 4...

Page 25: ...f any content or data from this document without Samsung s written authorization is strictly prohibited 1 Disassemble Band 1 Dismantles an UB window from left side watch out BROCKEN LCD FPCB right sid...

Page 26: ...rohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 7 2 1 It dismantles an LCD FPCB 2 It dismantles an BATTERY CONN 3 It dismantles an Home...

Page 27: ...n or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to ch...

Page 28: ...rietary the contents in this service guide subject to change without prior notice 7 4 1 CHECK ALL ITEMS ON BRACKET BACK MIC FPCB HOME KEY FPCB TAPE BATTERY SPONGE MOTOR TAPE ANTENNA 1 Assemble BATTERY...

Page 29: ...document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 7 5 1 Assemble PBA CHECK...

Page 30: ...etary 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 authorizat...

Page 31: ...ingement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change with...

Page 32: ...or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to chan...

Page 33: ...ritten authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 8 4 8 3 Flow Chart of Troubleshooting Equipments Osci...

Page 34: ...C421 1 15V If the output voltage is not satisfied with normal condition Change the U400 No Yes Check the U400 output clock C437 Is that frequency 32KHz If the output frequency is not satisfied with n...

Page 35: ...ission or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject...

Page 36: ...hout prior notice 8 7 8 3 2 Initial Lock up Initial Failure END Check the PMIC_PS_HOLD TP303 1 8V High Check the U400 Crack Open etc Check the Clock OSC400 C401 Is that frequency 19 2Mhz Change the OS...

Page 37: ...ission or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject...

Page 38: ...orization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 8 9 8 3 3 SIM Part Is SIM socket ok SIM402 Insert SIM card Yes Y...

Page 39: ...roprietary the contents in this service guide subject to change without prior notice 8 10 8 3 4 Charging Part Insert Charging Dock TA USB Insert Yes END Charging Sequence Start V_BUS_5V 5V No Check C4...

Page 40: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 41: ...ct to change without prior notice 8 12 8 3 5 BT WIFI BT WiFi is not working Check BT or WiFi function ON No Enable BT or WiFi Function Yes END Yes Resolder or Replace U200 Yes Yes Yes Check the Status...

Page 42: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 43: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 44: ...s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 8 15 8 3 6 MOTOR Yes No Resolder or Replace U403...

Page 45: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 46: ...ge without prior notice 8 17 8 3 7 LCD LCD is still off after PWR ON Yes No Check the connection of HDC500 Yes END No Check the Voltage on C502 C503 C504 C506 C508 C509 Differs depending on the bright...

Page 47: ...3 DNC 84 DNC 85 CBL_PWR_N 86 GND 87 GND 88 SLEEP_CLK1 89 NC 9 GND 76 VCOIN 77 PON_RESET_N 78 GND 79 VDD_GP 8 VSW_S1 80 DNC 81 VSW_S4 82 GND_S2 69 GND_S4 7 VDD_GR6 70 VREG_L25 71 VREGL12 72 AMUX_1 73 A...

Page 48: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 49: ...de subject to change without prior notice 8 20 8 3 8 TSP Yes END Yes No Resolder or Replace C459 U400 Check the Voltage on C459 3 3V Yes Replace LCD Module Yes Yes Check the Voltage on R500 1 8V Resol...

Page 50: ...84 DNC 85 CBL_PWR_N 86 GND 87 GND 88 SLEEP_CLK1 89 NC 9 GND 76 VCOIN 77 PON_RESET_N 78 GND 79 VDD_GP 8 VSW_S1 80 DNC 81 VSW_S4 82 GND_S2 69 GND_S4 7 VDD_GR6 70 VREG_L25 71 VREGL12 72 AMUX_1 73 AMUX_2...

Page 51: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 52: ...t 20dBm Yes No END Check C120 About 20dBm Check soldered or change C100 C101 F106 C174 RFS100 L100 L129 C109 Check soldered or change U100 C120 C121 L110 Yes No Check C126 About 20dBm Yes No Check com...

Page 53: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 54: ...ut 20dBm Yes No END Check C132 About 20dBm Check soldered or change C100 C101 F106 C174 RFS100 L100 L129 C109 Check soldered or change U100 C132 C133 L114 Yes No Check L117 About 20dBm Yes No Check co...

Page 55: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 56: ...ithout prior notice 8 27 8 3 11 GSM900 GSM1800 TX CONTINUOUS TX ON CONDITION TX POWER IDX1 APPLIED GSM850 CH 190 DCS1800 CH 698 RBW 100KHz VBW 100KHz SPAN 10MHz REF LEV 10dBm ATT 20dB Check C103 About...

Page 57: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 58: ...9 8 3 12 WCDMA BAND1 RX Check C103 65dBm Yes No END Check C120 65dBm Check soldered or change C100 C101 F106 C174 RFS100 L100 L129 C109 Check soldered or change U100 C120 C121 L110 Yes No Check C124 6...

Page 59: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 60: ...3 13 WCDMA BAND8 GSM900 RX Check C103 65dBm Yes No END Check C132 65dBm Check soldered or change C100 C101 F106 C174 RFS100 L100 L129 C109 Check soldered or change U100 C132 C133 L114 Yes No Check L11...

Page 61: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 62: ...8 3 14 GSM1800 RX CONTINUOUS RX ON RF INPUT 698CH AMP 50dBm Check C103 65dBm Yes No END Check L108 65dBm Check soldered or change C100 C101 F106 C174 RFS100 L100 L129 C109 Check soldered or change U10...

Page 63: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 64: ...8 3 15 GPS Yes Enable GPS Function in the setting No Check GPS function ON Yes Check the voltage on L124 2 75V No Check the PMIC U400 short open crack etc Yes Check AP UCP300 U106 short open crack etc...

Page 65: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 66: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 67: ...bited Confidential and proprietary the contents in this service guide subject to change without prior notice 8 38 8 3 16 Microphone Part operating Loop back mode on in Factory mode Check the flucuatio...

Page 68: ...the contents in this service guide subject to change without prior notice 8 39 8 3 17 Speaker Part Check the flucuation signal level High and Low at L202 L203 Check speaker function Play Multimedia wi...

Page 69: ...document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject to change without prior notice 8 40 8 3 18 Sensor Sensor...

Page 70: ...ssion or infringement of any content or data from this document without Samsung s written authorization is strictly prohibited Confidential and proprietary the contents in this service guide subject t...

Page 71: ...anced Audio Coding AVC Advanced Video Coding BER Bit Error Rate BPSK Binary Phase Shift Keying CA Conditional Access CDM Code Division Multiplexing C I Carrier to Interference DMB Digital Multimedia B...

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