Anritsu MS2711 Maintenance Manual
Anritsu MS2711 Maintenance Manual

Anritsu MS2711 Maintenance Manual

Hand held spectrum analyzer

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Anritsu MS2711 Spectrum Master Specs
Provided by www.AAATesters.com
Figure 1. MS2711 Hand Held Spectrum Analyzer
1.
INTRODUCTION
This manual provides maintenance instructions for
the MS2711 Spectrum Analyzer. It describes the
product and provides performance verification proce-
dures, parts replacement procedures, and a replace-
able parts list.
2.
DESCRIPTION
The MS2711 Spectrum Analyzer (Figure 1) is a syn-
thesizer-based hand held spectrum analyzer that
provides quick and accurate signal results. Measure-
ments can be easily made using the main instrument
functions: frequency, span, amplitude and band-
width. A simplified block diagram is provided in Fig-
ure 2.
490 JARVIS DRIVE · MORGAN HILL, CA 95037-2809
MAINTENANCE MANUAL
MS2711
Hand Held
Spectrum Analyzer
MS2711
FREQ/SPAN
MODE
AMPLITUDE
BW/SWEEP
3.
Paragraphs 4 through 7 contain tests that can be
used to verify the performance of the MS2711 Spec-
trum Analyzer having any version of firmware.
3.1.
ESCAPE
1
2
CLEAR
START
AUTO
CAL
SCALE
3
4
SAVE
RECALL
SETUP
SETUP
6
5
LIMIT
MARKER
ENTER
7
8
SAVE
RECALL
RUN
DISPLAY
DISPLAY
HOLD
+
9
0
/
-
PRINT
ON
SYS
OFF
.
PERFORMANCE VERIFICATION
PROCEDURES
Display Contrast Adjustment
1.
Press and hold the
then press the
ON/OFF
Spectrum Analyzer. (This sets the instru-
ment to the factory preset state.) When
the instrument has completed the self
test, press the
ENTER
2.
Use the Up/Down arrow key to adjust
the display contrast if necessary and
press the
key to continue.
ENTER
key,
ESCAPE/CLEAR
key to turn on the
key to continue.
P/N: 10580-00027
REVISION A
PRINTED: NOVEMBER 1999
COPYRIGHT 1999 ANRITSU CO.

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Summary of Contents for Anritsu MS2711

  • Page 1 MS2711 Spectrum Analyzer. It describes the Paragraphs 4 through 7 contain tests that can be product and provides performance verification proce- used to verify the performance of the MS2711 Spec- dures, parts replacement procedures, and a replace- trum Analyzer having any version of firmware.
  • Page 2: Frequency Accuracy

    0 - 50 dB VCO4 VCO3 VCO1 VCO2 Figure 2. MS2711 Spectrum Analyzer Block Diagram Turn on the 10 MHz reference source and FREQUENCY ACCURACY the Anritsu 68047C Synthesized Signal Source. The following test can be used to verify the CW fre- quency accuracy of the Spectrum Analyzer.
  • Page 3: Phase Noise Verification

    MEASUREMENT ACCURACY Set the 68047C output to 1000 MHz, Measurement accuracy involves testing the MS2711 with an RF output level of –30 dBm. over three frequencies at four power levels. Table 1 Press the key.
  • Page 4 MS2711 RF Input. Connect the external power supply Verify that the M1 reading is ± 2 dB (Anritsu part number 40-115) to the maximum from the input signal. MS2711. Set the 68047C power level to –10 dBm. Press and hold the...
  • Page 5 Verify that the power monitor reading is to the input of the 560-7N50B RF detec- now –40.0 dBm ±2 dB. tor. Connect the RF Detector output to the RF Detector input of the MS2711 Spec- trum Analyzer. Attenuators 560-7N50B MA2418A...
  • Page 6: Battery Pack Removal And Replacement

    The following procedures apply to many similar instruments. Photos and illustra- tions may show instruments other than the MS2711 Spectrum Analyzer. With the Spectrum Analyzer standing up- right on a stable surface, locate the battery Figure 6. Removing the Battery Access Door access door (Figure 4).
  • Page 7: Battery Information

    Spectrum Analyzer or in the optional battery charger (Anritsu part number: 2000-1029). · Use only Anritsu approved battery packs. · Recharge the battery only in the Spectrum Ana- lyzer or in an Anritsu approved charger.
  • Page 8: Front Panel Assembly Removal And Replacement

    Figure 12. Corner Bumper Detail be disconnected first. Carefully depress the latch tab and discon- nect the LCD display cable from J12 on the main PCB. Carefully disconnect the keypad interface ca- ble from J1 on the main PCB. MS2711 HHSA MM...
  • Page 9: Lcd Assembly Replacement

    Figure 14. Front Panel Keypad PCB Location Remove the rubber cushion pad from the LCD assembly and remove the assembly. Reverse the above steps to install the re- Reverse the above steps to install the re- placement assembly. placement assembly. MS2711 HHSA MM...
  • Page 10: Key Pad Membrane Replacement

    Spectrum the main PCB. Analyzer case. Make sure the panel is cor- rectly aligned with the grooves before reas- Disconnect the semi-rigid coaxial cable from sembling the two halves together. the RF connector on the connector panel. MS2711 HHSA MM...
  • Page 11: Replaceable Parts

    15. REPLACEABLE PARTS Replaceable parts for the Model MS2711 Spectrum Analyzer are listed below. Table 2. Replaceable Parts List Part Number Description Part Number Description Accessories Hardware 900-861 Pan Head Screw, 4-20, 0.365 User's Guide, MS2711 10580-00026 Spectrum Analyzer 900-869 Screw, 4-40, 0.875...
  • Page 12 NOTES...
  • Page 13 Table 3. Anritsu Service Centers UNITED STATES FRANCE JAPAN ANRITSU COMPANY ANRITSU S.A ANRITSU CORPORATION 685 Jarvis Drive 9 Avenue du Quebec 1800 Onna Atsugi-shi Morgan Hill, CA 95037-2809 Zone de Courtaboeuf Kanagawa-Prf. 243 Japan Telephone: (408) 776-8300 91951 Les Ulis Cedex...
  • Page 14 NOTES...

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