Name: Anritsu Spectrum Master MS2720T
Brand: Anritsu
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Chapter 5 — Assembly Replacement 5-10 Keypad Membrane and Main Keypad PCB Replacement

MS2720T MM PN: 10580-00342 Rev. D 5-15

• If the Keypad PCB was replaced with a PCB that has touch screen calibration data, the

instrument will boot up correctly, but the touch-screen calibration data will be invalid. Perform a

touch-screen calibration by pressing the Shift key and then the 0 key, follow the on-screen

directions.

Default Chapter3
- Safety Symbols3
- Table of Contents5
Chapter 1-General Information9
- Introduction9
- Anritsu Customer Service Centers9
- Recommended Test Equipment10
- Replaceable Parts13
Chapter 2-Spectrum Analyzer Verification15
- MS2720T MM PN: 10580-00342 Rev. D15
Frequency Accuracy Verification16
- Internal Reference Frequency Adjustment17
Single Side Band (SSB) Phase Noise Verification19
Spurious Response Verification21
Input Related Spurious (IRS) Signals Verification23
- 1000 Mhz Input Related Spurious Check23
- 3273 Mhz Input Related Spurious Check24
Resolution Bandwidth Accuracy Verification26
Absolute Amplitude Accuracy Verification28
- 50 Mhz Amplitude Accuracy Verification28
- Amplitude Accuracy Across Frequency Verification31
- Measuring Amplitude Accuracy Across Frequency32
Residual Spurious Response Verification34
- Residual Spurious Response Test with Preamp off34
- Residual Spurious Response Test with Preamp on35
Displayed Average Noise Level (DANL)36
- Preamp on Procedure36
- Preamp off Procedure36
Third Order Intercept (TOI)37
- 2400 Mhz TOI Test37
Chapter 3-Options Verification41
Option 31, GPS Frequency Accuracy Verification42
- GPS Option Bias-Tee Voltage Verification (Option 31)44
Option 809, 813 or 820 Tracking Generator Verification45
- Tracking Generator Frequency Accuracy Verification45
- Tracking Generator Power Accuracy Verification46
Option 880, GSM/GPRS/EDGE Signal Analyzer Verification47
- GSM Burst Power, Frequency Error, and Phase Error Tests48
- EDGE Burst Power, Frequency Error and Residual Error Tests50
Option 881 WCDMA/HSDPA Signal Analyzer Verification52
- WCDMA Absolute Power Accuracy Verification52
- WCDMA Occupied Bandwidth (OBW) Verification57
- WCDMA RF Channel Power Accuracy59
- HSDPA RF Channel Power Accuracy60
- Error Vector Magnitude (EVM) Verification61
Option 882, TDSCDMA Signal Analyzer Option Verification63
- TDSCDMA Channel Power, Frequency Error, EVM, and Tau Test Procedure64
Option 883, LTE Signal Analyzer Verification65
- LTE Channel Power Accuracy Tests66
- LTE Frequency Error Tests67
Option 883, TD-LTE Signal Analyzer Verification69
- TD-LTE Channel Power Accuracy Tests70
- TD-LTE Frequency Error Tests72
Option 884, CDMA Signal Analyzer Verification74
- Cdmaone Channel Power, Frequency Error, Rho and Tau Tests75
- CDMA2000 Channel Power, Frequency Error, Rho and Tau Tests76
3-10 Option 884, EVDO Signal Analyzer Option Verification77
- 8PSK Modulation Channel Power, Frequency Error, Rho, and Tau Tests78
- QPSK Modulation Channel Power, Frequency Error, Rho, and Tau Tests79
- 16QAM Modulation Channel Power, Frequency Error, Rho, and Tau Tests79
- Idle Slot Channel Power, Frequency Error, Rho, and Tau Tests79
Option 885, Fixed Wimax Signal Analyzer Verification81
- Fixed Wimax Channel Power Accuracy Tests81
- Fixed Wimax Residual EVM and Frequency Error Tests83
3-12 Option 885, Mobile Wimax Signal Analyzer Verification85
- Mobile Wimax Channel Power Accuracy Tests85
- Channel Power Accuracy (10 Mhz Bandwidth and 10 Ms Frame Length)86
- Channel Power Accuracy (5 Mhz Bandwidth and 5 Ms Frame Length)87
- Mobile Wimax Residual EVM and Frequency Error Tests (Option 885)89
- Residual EVM and Frequency Error (10 Mhz Bandwidth and 10 Ms Frame Length)90
- Residual EVM and Frequency Error (5 Mhz Bandwidth and 5 Ms Frame Length)91
Chapter 4-Battery Information93
- General Information93
- Battery Pack Removal and Replacement94
Chapter 5-Assembly Replacement97
- Introduction97
- Replaceable Parts List97
Opening the Spectrum Master Case98
Tracking Generator Module Assembly Replacement102
Spectrum Analyzer Module Assembly Replacement103
Main PCB Assembly Replacement104
Fan Assembly Replacement106
LCD Assembly Replacement106
GPS (Option 31) Module Replacement106
5-10 Keypad Membrane and Main Keypad PCB Replacement109
Touch Screen Replacement112
Chapter 6-Troubleshooting113
- Introduction113
- Turn-On Problems113
- Other Problems114
Appendix A-Test Records115
- Introduction115
- A-1 Introduction115
- Test Records for Spectrum Analyzer Verification116
- Test Records for Options Verification148

Brand	Anritsu
Model	Spectrum Master MS2720T
Category	Measuring Instruments
Language	English

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