Podcast
Questions and Answers
What is the modulation for LTE Band3?
What is the modulation for LTE Band3?
QPSK, 16QAM, 64QAM
Which LTE Band has a Channel Bandwidth of 5/10/15/20 MHz?
Which LTE Band has a Channel Bandwidth of 5/10/15/20 MHz?
What is the Tx/Rx spacing in MHz for LTE Band7? Tx/Rx spacing: ___ MHz
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.
LTE Band40 supports 256QAM modulation for both uplink and downlink.
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What is the uplink frequency range for LTE Band 66? (in MHz)
What is the uplink frequency range for LTE Band 66? (in MHz)
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Which modulation schemes are used in LTE Band17?
Which modulation schemes are used in LTE Band17?
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What is the Tx/Rx spacing in MHz for LTE Band20?
What is the Tx/Rx spacing in MHz for LTE Band20?
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LTE Band28 uses 256QAM modulation for both uplink and downlink.
LTE Band28 uses 256QAM modulation for both uplink and downlink.
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What are the different items listed under the 'Mobile Device CONTENTS' section?
What are the different items listed under the 'Mobile Device CONTENTS' section?
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Which modulation is used for GSM and EGPRS networks respectively?
Which modulation is used for GSM and EGPRS networks respectively?
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The MS Power range for PCS1900 is from 30dBm to 0dBm.
The MS Power range for PCS1900 is from 30dBm to 0dBm.
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In the GSM Tx Power Class table, at control level 7 for DCS1800, the TX Power is ± dBm.
In the GSM Tx Power Class table, at control level 7 for DCS1800, the TX Power is ± dBm.
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Match the WCDMA Freq.Band with their respective frequency ranges:
Match the WCDMA Freq.Band with their respective frequency ranges:
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What is the SEC CODE for the SCREW-MACHINE in the Cellular phone Parts list [SM-A505FN]?
What is the SEC CODE for the SCREW-MACHINE in the Cellular phone Parts list [SM-A505FN]?
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What is the description of QCA01 in the parts list for the SM-A505FN?
What is the description of QCA01 in the parts list for the SM-A505FN?
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What is the SEC CODE for the ASSY SUB PBA-SM-A505F in the Cellular phone Parts list [SM-A505GT]?
What is the SEC CODE for the ASSY SUB PBA-SM-A505F in the Cellular phone Parts list [SM-A505GT]?
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QAN01 in the parts list for the SM-A505GT represents ANTENNA-NON NFC DUMMY. (True/False)
QAN01 in the parts list for the SM-A505GT represents ANTENNA-NON NFC DUMMY. (True/False)
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What is the electrical part listed as 'C3029'?
What is the electrical part listed as 'C3029'?
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Name one of the electrical parts listed that starts with the letter 'L'.
Name one of the electrical parts listed that starts with the letter 'L'.
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Which electrical part is listed as 'C2056, C2062, C2063'?
Which electrical part is listed as 'C2056, C2062, C2063'?
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What is the primary material of construction for the electrical parts listed?
What is the primary material of construction for the electrical parts listed?
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What is the name of the electrical part described in the list with the codes R4049, R4060, and R5013?
What is the name of the electrical part described in the list with the codes R4049, R4060, and R5013?
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What is found between R4036 and R4038 on the list? C______
What is found between R4036 and R4038 on the list? C______
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Which part is described with the code R6222 in the list?
Which part is described with the code R6222 in the list?
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C7007 falls under the category C-CERAMIC in the parts list.
C7007 falls under the category C-CERAMIC in the parts list.
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The ______ barked.
The ______ barked.
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What is the electrical part associated with code 2801-005393?
What is the electrical part associated with code 2801-005393?
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What type of diode is D5000?
What type of diode is D5000?
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Which component is described as 'FET-SILICON'?
Which component is described as 'FET-SILICON'?
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What does LED5000 stand for?
What does LED5000 stand for?
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TH5000 is a ________.
TH5000 is a ________.
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Match the following components with their descriptions:
Match the following components with their descriptions:
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What is the main electrical part listed alongside 2203-009736
?
What is the main electrical part listed alongside 2203-009736
?
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What is the electrical part listed alongside 2703-002649
?
What is the electrical part listed alongside 2703-002649
?
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What type of electrical part is associated with 2409-001400
?
What type of electrical part is associated with 2409-001400
?
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Which components are part of the main electrical list with 2703-005067
?
Which components are part of the main electrical list with 2703-005067
?
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What is the part number for the electrical component with codes C4088, C4090, and C4091?
What is the part number for the electrical component with codes C4088, C4090, and C4091?
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What are the part numbers for the electrical components with codes C4119, C4120, and C4121?
What are the part numbers for the electrical components with codes C4119, C4120, and C4121?
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Which part number corresponds to the electrical component with code C3002?
Which part number corresponds to the electrical component with code C3002?
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What is the part number for the electrical component listed as C7002?
What is the part number for the electrical component listed as C7002?
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What is the part number associated with the electrical components C5056, C5060, and C5090?
What is the part number associated with the electrical components C5056, C5060, and C5090?
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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
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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
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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
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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
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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
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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.