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SM-A505F/FN/FM/GT Mobile Device Repair Guide
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SM-A505F/FN/FM/GT Mobile Device Repair Guide

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Questions and Answers

What is the modulation for LTE Band3?

QPSK, 16QAM, 64QAM

Which LTE Band has a Channel Bandwidth of 5/10/15/20 MHz?

  • LTE Band12
  • LTE Band2 (correct)
  • LTE Band8
  • LTE Band20

    • What is the Tx/Rx spacing in MHz for LTE Band7? Tx/Rx spacing: ___ MHz

    120

    LTE Band40 supports 256QAM modulation for both uplink and downlink.

    <p>False</p> Signup and view all the answers

    What is the uplink frequency range for LTE Band 66? (in MHz)

    <p>1710~1755</p> Signup and view all the answers

    Which modulation schemes are used in LTE Band17?

    <p>QPSK, 16QAM, 64QAM</p> Signup and view all the answers

    What is the Tx/Rx spacing in MHz for LTE Band20?

    <p>30</p> Signup and view all the answers

    LTE Band28 uses 256QAM modulation for both uplink and downlink.

    <p>False</p> Signup and view all the answers

    What are the different items listed under the 'Mobile Device CONTENTS' section?

    <p>Safety Precautions, Specification, Product Function, Exploded View and Parts list, MAIN Electrical Parts List, Level 1 Repair, Level 2 Repair, Level 3 Repair, Reference Abbreviation</p> Signup and view all the answers

    Which modulation is used for GSM and EGPRS networks respectively?

    <p>GMSK / 8PSK</p> Signup and view all the answers

    The MS Power range for PCS1900 is from 30dBm to 0dBm.

    <p>True</p> Signup and view all the answers

    In the GSM Tx Power Class table, at control level 7 for DCS1800, the TX Power is ± dBm.

    <p>26, 3</p> Signup and view all the answers

    Match the WCDMA Freq.Band with their respective frequency ranges:

    <p>WCDMA2100(B1) = 1920<del>1980 MHz WCDMA1900(B2) = 1850</del>1910 MHz WCDMA AWS(B4) = 1710<del>1755 MHz WCDMA850(B5) = 824</del>849 MHz WCDMA900(B8) = 880~915 MHz</p> Signup and view all the answers

    What is the SEC CODE for the SCREW-MACHINE in the Cellular phone Parts list [SM-A505FN]?

    <p>6001-001530</p> Signup and view all the answers

    What is the description of QCA01 in the parts list for the SM-A505FN?

    <p>ASSY CAMERA-1/2.78&quot;_24M_A505F</p> Signup and view all the answers

    What is the SEC CODE for the ASSY SUB PBA-SM-A505F in the Cellular phone Parts list [SM-A505GT]?

    <p>GH96-12460A</p> Signup and view all the answers

    QAN01 in the parts list for the SM-A505GT represents ANTENNA-NON NFC DUMMY. (True/False)

    <p>True</p> Signup and view all the answers

    What is the electrical part listed as 'C3029'?

    <p>Ceramic Capacitor</p> Signup and view all the answers

    Name one of the electrical parts listed that starts with the letter 'L'.

    <p>L6010</p> Signup and view all the answers

    Which electrical part is listed as 'C2056, C2062, C2063'?

    <p>Ceramic Capacitor</p> Signup and view all the answers

    What is the primary material of construction for the electrical parts listed?

    <p>Ceramic</p> Signup and view all the answers

    What is the name of the electrical part described in the list with the codes R4049, R4060, and R5013?

    <p>R-CHIP</p> Signup and view all the answers

    What is found between R4036 and R4038 on the list? C______

    <p>4040</p> Signup and view all the answers

    Which part is described with the code R6222 in the list?

    <p>R-CHIP</p> Signup and view all the answers

    C7007 falls under the category C-CERAMIC in the parts list.

    <p>True</p> Signup and view all the answers

    The ______ barked.

    <p>dog</p> Signup and view all the answers

    What is the electrical part associated with code 2801-005393?

    <p>CRYSTAL-UNIT</p> Signup and view all the answers

    What type of diode is D5000?

    <p>Schottky diode</p> Signup and view all the answers

    Which component is described as 'FET-SILICON'?

    <p>Q6000</p> Signup and view all the answers

    What does LED5000 stand for?

    <p>Light Emitting Diode</p> Signup and view all the answers

    TH5000 is a ________.

    <p>thermistor</p> Signup and view all the answers

    Match the following components with their descriptions:

    <p>U1007 = IC R3006 = R-CHIP TH4001 = Thermistor D6003 = TVS Diode</p> Signup and view all the answers

    What is the main electrical part listed alongside 2203-009736?

    <p>C5042, C5043, C5096</p> Signup and view all the answers

    What is the electrical part listed alongside 2703-002649?

    <p>L1001, L1010, L1018</p> Signup and view all the answers

    What type of electrical part is associated with 2409-001400?

    <p>Capacitor</p> Signup and view all the answers

    Which components are part of the main electrical list with 2703-005067?

    <p>L5000, L5008, L5009, L5010, L5011</p> Signup and view all the answers

    What is the part number for the electrical component with codes C4088, C4090, and C4091?

    <p>2203-007796</p> Signup and view all the answers

    What are the part numbers for the electrical components with codes C4119, C4120, and C4121?

    <p>2203-007796</p> Signup and view all the answers

    Which part number corresponds to the electrical component with code C3002?

    <p>2203-008242</p> Signup and view all the answers

    What is the part number for the electrical component listed as C7002?

    <p>2203-009733</p> Signup and view all the answers

    What is the part number associated with the electrical components C5056, C5060, and C5090?

    <p>2203-008860</p> Signup and view all the answers

    Study Notes

    GSM General Specification

    • Frequencies:
      • GSM 850: 824-849 MHz (uplink), 869-894 MHz (downlink)
      • EGSM 900: 880-915 MHz (uplink), 925-960 MHz (downlink)
      • DCS 1800: 1710-1785 MHz (uplink), 1805-1880 MHz (downlink)
      • PCS 1900: 1850-1910 MHz (uplink), 1930-1990 MHz (downlink)
    • ARFCN range:
      • GSM 850: 128-251
      • EGSM 900: 0-124, 975-1023
      • DCS 1800: 512-885
      • PCS 1900: 512-810
    • Tx/Rx spacing:
      • GSM 850: 45 MHz
      • EGSM 900: 45 MHz
      • DCS 1800: 95 MHz
      • PCS 1900: 80 MHz
    • Modulation: GMSK (Gaussian Minimum Shift Keying) for all frequencies
    • Bit rate: 270.833 kbps for all frequencies
    • Time slot period: 576.9 us for all frequencies
    • Frame period: 4.615 ms for all frequencies
    • Power class: 4 for all frequencies

    GSM Tx Power Class

    • Tx power control level:
      • 5: 33±2 dBm
      • 6: 31±2 dBm
      • 7: 29±2 dBm
      • 8: 27±2 dBm
      • 9: 25±2 dBm
      • 10: 23±2 dBm
      • ...

    WCDMA General Specification

    • Frequencies:
      • WCDMA 2100 (B1): 1920-1980 MHz (uplink), 2110-2170 MHz (downlink)
      • WCDMA 1900 (B2): 1850-1910 MHz (uplink), 1930-1990 MHz (downlink)
      • WCDMA 850 (B5): 824-849 MHz (uplink), 869-894 MHz (downlink)
      • WCDMA 900 (B8): 880-915 MHz (uplink), 925-960 MHz (downlink)
    • ARFCN range:
      • WCDMA 2100 (B1): 9612-9888 (uplink), 10562-10838 (downlink)
      • WCDMA 1900 (B2): 9262-9538 (uplink), 9662-9938 (downlink)
      • WCDMA 850 (B5): 4132-4233 (uplink), 4357-4458 (downlink)
      • WCDMA 900 (B8): 2712-2868 (uplink), 2937-3088 (downlink)
    • Tx/Rx spacing:
      • WCDMA 2100 (B1): 190 MHz
      • WCDMA 1900 (B2): 80 MHz
      • WCDMA 850 (B5): 45 MHz
      • WCDMA 900 (B8): 45 MHz
    • Modulation: QPSK, 16QAM, 64QAM for all frequencies
    • Bit rate:
      • Downlink: 42.2 Mbps
      • Uplink: 5.42 Mbps
    • Time slot period: 10 ms / 0.667 ms
    • Frame period: 2 ms / 0.667 ms
    • Power class: 3 for all frequencies
    • Sensitivity: -106 dBm for WCDMA 2100 (B1), -104 dBm for WCDMA 1900 (B2), -104 dBm for WCDMA 850 (B5), -103 dBm for WCDMA 900 (B8)

    LTE General Specification

    • Frequencies:

      • LTE Band 1: 1920-1980 MHz (uplink), 2110-2170 MHz (downlink)
      • LTE Band 3: 1710-1785 MHz (uplink), 1805-1880 MHz (downlink)
      • LTE Band 5: 824-849 MHz (uplink), 869-894 MHz (downlink)
      • LTE Band 7: 2500-2570 MHz (uplink), 2620-2690 MHz (downlink)
      • ...

    • ARFCN range:

      • LTE Band 1: 18000-18599 (uplink), 0-599 (downlink)
      • LTE Band 3: 19200-19949 (uplink), 1200-1949 (downlink)
      • LTE Band 5: 20400-20649 (uplink), 2400-2649 (downlink)
      • LTE Band 7: 20750-21449 (uplink), 2750-3449 (downlink)
      • ...

    • Tx/Rx spacing:

      • LTE Band 1: 190 MHz
      • LTE Band 3: 95 MHz
      • LTE Band 5: 45 MHz
      • LTE Band 7: 120 MHz
      • ...

    • Modulation: QPSK, 16QAM, 64QAM, 256QAM for all frequencies

    • Bit rate:

      • Downlink: 42.2 Mbps
      • Uplink: 5.42 Mbps

    • Power class: 3 for all frequencies

    • Sensitivity: -96.3 dBm for LTE Band 1, -93.3 dBm for LTE Band 3, -94.3 dBm for LTE Band 5, -94.3 dBm for LTE Band 7, ...### LTE Band Specifications

    • LTE Band 2: Frequency band 1850-1910 MHz, uplink/downlink 1930-1990 MHz, ARFCN range UL: 18600-19199, DL: 600-1199, Tx/Rx spacing 80 MHz, Channel Bandwidth 1.4/3/5/10/15/20 MHz, Modulation QPSK,16/64QAM, 256QAM (DL only), MS Power 25.7~-39 dBm, Sensitivity (QPSK, BW 10MHz) -94.3 dBm

    • LTE Band 4: Frequency band 1710-1755 MHz, uplink/downlink 2110-2155 MHz, ARFCN range UL: 19950-20399, DL: 1950-2399, Tx/Rx spacing 400 MHz, Channel Bandwidth 1.4/3/5/10/15/20 MHz, Modulation QPSK,16/64QAM, 256QAM (DL only), MS Power 25.7~-39 dBm, Sensitivity (QPSK, BW 10MHz) -96.3 dBm

    • LTE Band 12: Frequency band 699-716 MHz, uplink/downlink 729-746 MHz, ARFCN range UL: 23010-23179, DL: 5010-5179, Tx/Rx spacing 30 MHz, Channel Bandwidth 1.4/3/5/10 MHz, Modulation QPSK,16/64QAM, 256QAM (DL only), MS Power 25.7~-39 dBm, Sensitivity (QPSK, BW 10MHz) -93.3 dBm

    • LTE Band 13: Frequency band 777-787 MHz, uplink/downlink 746-756 MHz, ARFCN range UL: 23180-23279, DL: 5180-5279, Tx/Rx spacing -31 MHz, Channel Bandwidth 1.4/3/5/10 MHz, Modulation QPSK,16/64QAM, 256QAM (DL only), MS Power 25.7~-39 dBm, Sensitivity (QPSK, BW 10MHz) -93.3 dBm

    • LTE Band 17: Frequency band 704-716 MHz, uplink/downlink 734-746 MHz, ARFCN range UL: 23730-23849, DL: 5730-5849, Tx/Rx spacing 30 MHz, Channel Bandwidth 5/10 MHz, Modulation QPSK,16/64QAM, 256QAM (DL only), MS Power 25.7~-39 dBm, Sensitivity (QPSK, BW 10MHz) -93.3 dBm

    • LTE Band 20: Frequency band 832-862 MHz, uplink/downlink 791-821 MHz, ARFCN range UL: 24150-24449, DL: 6150-6449, Tx/Rx spacing -41 MHz, Channel Bandwidth 5/10/15/20 MHz, Modulation QPSK,16/64QAM, 256QAM (DL only), MS Power 25.7~-39 dBm, Sensitivity (QPSK, BW 10MHz) -93.3 dBm

    • LTE Band 28: Frequency band 703-748 MHz, uplink/downlink 758-803 MHz, ARFCN range UL: 27210-27659, DL: 9210-9659, Tx/Rx spacing 55 MHz, Channel Bandwidth 3/5/10/15/20 MHz, Modulation QPSK,16/64QAM, 256QAM (DL only), MS Power 25.7~-39 dBm, Sensitivity (QPSK, BW 10MHz) -94.8 dBm

    • LTE Band 66: Frequency band 1710-1780 MHz, uplink/downlink 2110-2200 MHz, ARFCN range UL: 131972-132671, DL: 66436-67335, Tx/Rx spacing 400 MHz, Channel Bandwidth 1.4/3/5/10/15/20 MHz, Modulation QPSK,16/64QAM, 256QAM (DL only), MS Power 25.7~-39 dBm, Sensitivity (QPSK, BW 10MHz) -95.8 dBm

    Cellular Phone Exploded View

    • SM-A505F/GT: QFR01, QAR01, QMO01, QCA01, QCA02, QMP01, QBA01, QCR12, QCB01, QCB02, QME01, QME02, QME03, QME04, QME05, QME06, QVO01, QCK01, QRE01, QSM01, QAN01, QCR205, QBC01, QRT01

    • SM-A505FN: QFR01, QAR01, QMO01, QCA01, QCA02, QMP01, QBA01, QCR12, QCB01, QCB02, QME01, QME02, QME03, QME04, QME05, QME06, QVO01, QCK01, QRE01, QSM01, QAN01, QAN02, QCR205, QBC01, QRT01

    Cellular Phone Parts List

    • SM-A505F: QCR12, QCR205, QCA01, QCA02, QRE01, QSP01, QVO01, QCK01, QME05, QAN01, QAR01, QMO01, QCB01, QCB02, QME01, QME02, QME03, QME04, QME06, QSM01, QMP01, QFR01, QBA01, QBC01, QRT01### Cellular Phone Parts List

    • The parts list includes various components for the SM-A505FN and SM-A505GT cellular phones.

    Component Lists

    • The list includes screws (QCR12, QCR205), cameras (QCA01, QCA02), speakers (QSP01), keys (QVO01, QCK01), and antennas (QAN01, QAN02).
    • It also includes motors (QMO01), coaxial cables (QCB01, QCB02), and connectors (QME01, QME03).
    • The list includes sub-PBA components (QME02, QME04, QME05, QME06) and a module for optical finger scan sensors (QME06).
    • It also includes a cover SIM tray (QSM01), a main PBA (QMP01), and a battery (QBA01).
    • The list includes a cover (QBC01) and an A/S tape back cover (QRT01).

    Electrical Parts List

    • The list includes diodes (D5100, D5000, ZD5002, ZD5005, ZD6017, etc.) with their respective part codes and descriptions.
    • It also includes FETs (Q6000), LEDs (LED5000), and ICs (U1009, U1007, U1005, etc.).
    • The list includes thermistors (TH1000, TH4000, TH4001, TH5000), varistors (V7000), and resistors (R3000, R3007, R3001, etc.).
    • It also includes capacitors and other components.

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    Description

    This quiz covers the repair guide for the SM-A505F/FN/FM/GT mobile device, including safety precautions, specifications, and repair procedures.

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