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T R O U B L E S H O O T I N G T A B L E ( c o n t )

M A L F U N C T I O N

T E S T O R I N S P E C T I O N

C O R R E C T I V E A C T I O N

3

B A T T I n d i c a t o r d o e s n o t i l l u m i n a t e

S t e p 1 .

C o n n e c t t h e E x t e r n a l D C P o w e r S u p p l y t o a v e r i f i a b l e A C P o w e r S o u r c e
a n d v e r i f y t h e L E D i s l i t .



I f i n c o r r e c t , r e p l a c e t h e E x t e r n a l D C P o w e r S u p p l y .

S t e p 2 .

U s i n g a D M M o n t h e E x t e r n a l D C P o w e r S u p p l y o u t p u t , v e r i f y 1 1 t o 3 2 V d c
(

±

2 V d c ) .



I f i n c o r r e c t , r e p l a c e t h e E x t e r n a l D C P o w e r S u p p l y .

S t e p 3 .

V e r i f y t h e B a t t e r y i s i n s t a l l e d .



I f i n c o r r e c t , i n s t a l l t h e B a t t e r y ( p a r a 3 - 3 - 2 ) .

S t e p 4 .

V e r i f y t h e F u s e i s n o t b l o w n .



I f i n c o r r e c t , r e p l a c e t h e F u s e ( p a r a 3 - 3 - 3 ) .

S t e p 5 .

R e m o v e a n y e x t e r n a l p o w e r s o u r c e s f r o m t h e 3 5 5 0 / 3 5 5 0 R . U s i n g a
D M M , v e r i f y 1 1 . 1 V d c N o m i n a l a t t h e B a t t e r y C o n n e c t o r ( R e d w i r e ) .



I f i n c o r r e c t , r e p l a c e t h e B a t t e r y ( p a r a 3 - 3 - 2 ) .

S t e p 6 .

C o n n e c t t h e E x t e r n a l D C P o w e r S u p p l y t o t h e 3 5 5 0 / 3 5 5 0 R . U s i n g a
D M M , v e r i f y 1 2 . 6 V d c a t t h e B a t t e r y C o n n e c t o r ( R e d w i r e ) .



I f i n c o r r e c t , r e f e r t o T r o u b l e s h o o t i n g i n t h e 3 5 5 0 / 3 5 5 0 R M a i n t e n a n c e
M a n u a l .



C o n t a c t V I A V I C u s t o m e r S e r v i c e .

4

B l o w s F u s e

S t e p 1 .

C o n n e c t t h e E x t e r n a l D C P o w e r S u p p l y t o a v e r i f i a b l e A C P o w e r S o u r c e
a n d v e r i f y t h e L E D i s l i t .



I f i n c o r r e c t , r e p l a c e t h e E x t e r n a l D C P o w e r S u p p l y .

S t e p 2 .

U s i n g a D M M o n t h e E x t e r n a l D C P o w e r S u p p l y o u t p u t , v e r i f y 1 1 t o 3 2 V d c
(

±

2 V d c ) .



I f i n c o r r e c t , r e p l a c e t h e E x t e r n a l D C P o w e r S u p p l y .

S t e p 3 .

R e p l a c e t h e F u s e ( p a r a 3 - 3 - 3 ) .



I f t h e F u s e c o n t i n u e s t o b l o w , r e f e r t o T r o u b l e s h o o t i n g i n t h e 3 5 5 0 /
3 5 5 0 R M a i n t e n a n c e M a n u a l .



C o n t a c t V I A V I C u s t o m e r S e r v i c e .

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Summary of Contents for 3550

Page 1: ...3550 3550R Communications Test Set Operation Manual ...

Page 2: ... No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior permission of the publisher Original Printing Sep 2012 Re issued Feb 2020 10200 West York Wichita Kansas 67215 U S A 316 522 4981 FAX 316 524 2623 ...

Page 3: ......

Page 4: ...lded and three meters or less in length Nomenclature Statement In this manual 3550 3550R Test Set or Unit refers to the 3550 3550R Communications Test Set Product Warranty Refer to https www viavisolutions com en us support warranty quality compliance policies for product warranty information ...

Page 5: ...THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 6: ...ternating voltage EQUIPMENT GROUNDING PRECAUTION Improper grounding of equipment can result in electrical shock USE OF PROBES Check the specifications for the maximum voltage current and power ratings of any connector on the Test Set before connecting it with a probe from a terminal device Be sure the terminal device performs within these specifications before using it for measurement to prevent e...

Page 7: ...THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 8: ...aration of Conformity Certificate included with the Unit should remain with the Unit VIAVI recommends the operator reproduce a copy of the Declaration of Conformity Certificate to be stored with the Operation Manual for future reference ...

Page 9: ...THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 10: ...ry Hg Cadmium Cd Hexavalent Chromium Cr6 Polybrominated Biphenyls PBB Polybrominated Diphenyl Ethers PBDE 铅汞镉六价铬多溴联苯多溴二苯醚印刷板组件 Printed Board Assemblies X O O O O O 机箱子组件 Chassis subassembly X O O O O O 电源 Power Supply X O O O O O 电缆及电缆组件 Cables Cable Assemblies X O O O O O O Indicates that the toxic or hazardous substance contained in all of the homogenous materials for this component is bel...

Page 11: ...n Use Period This indicates the period in years during which the hazardous substances described in Table 1 will not leak or mutate under normal operating conditions so that the use of the product will not result in any severe environmental problem any bodily injury or damage to assets The Environmental Protection Use period is valid only when the product is operated under the conditions defined in...

Page 12: ...RODUCTION Provides an Introduction and a Brief Overview of Functions and Features Principles of Operation are also included CHAPTER 2 OPERATING INSTRUCTIONS Identifies and functionally describes all Controls Indicators and Connectors Provides UI interaction Provides a Turn On Procedure and Initial Adjustments Provides Operation Procedures Provides Applications CHAPTER 3 OPERATOR MAINTENANCE Identi...

Page 13: ...ode 2 17 2 2 3 Multi Language Support 2 20 2 3 Preventive Maintenance Checks and Services 2 22 2 3 1 General 2 22 2 3 2 Preventive Maintenance Procedures 2 22 2 3 2A Tools Materials and Equipment Required 2 22 2 3 2B Routine Checks 2 22 2 3 2C Schedule of Checks 2 22 2 4 Operation Under Usual Conditions 2 23 2 4 1 Turn On Procedure 2 23 2 4 2 Install Remove License 2 24 2 4 3 Install Software 2 26...

Page 14: ...ures 3 7 3 3 1 Battery Recharging 3 7 3 3 2 Battery Replacement 3 9 3 3 3 Fuse Replacement 3 12 3 3 4 Handle Replacement 3 15 3 3 5 Bumper Replacement 3 17 3 4 Preparation for Storage or Shipment 3 18 3 4A Packaging 3 18 3 4B Environment 3 18 APPENDICES A Connector Pin Out Tables A 1 A 1 I O Connectors A 1 A 2 AUDIO Connector Pin Out Table A 2 A 3 REMOTE Connector Pin Out Table A 3 A 4 ETHERNET Co...

Page 15: ...F ILLUSTRATIONS TABLES iv LIST OF TABLES TITLE PAGE I O Connectors A 1 AUDIO Connector Pin Out Table A 2 REMOTE Connector Pin Out Table A 3 ETHERNET Connector Pin Out Table A 4 USB Connector Pin Out Table A 5 ...

Page 16: ...pen the Transit Case to inspect contents Store the shipping carton for future use should the 3550 3550R need to be returned Checking Unpacked Equipment Check the equipment for damage incurred during shipment If the equipment has been damaged or if items seem to be absent from the shipment report the damage and or discrepancies to VIAVI Customer Service CONTACT VIAVI Telephone 800 835 2350 U S only...

Page 17: ...y 5762 1 Case Transit 91706 1 Cover Stand 91679 1 External DC Power Supply 67374 1 Fuse Spare 5 A 32 Vdc Type F 56080 2 Handset 64606 1 Manual Getting Started Paper English 90521 1 Manual Operation CD English 90520 1 Power Cable AC 3 wire leads 27516 1 Power Cable AC Continental Europe 27480 1 Power Cable AC North America 27478 1 Power Cable AC UK 27477 1 Power Cable AC China 91803 1 Power Cable D...

Page 18: ...t cont STANDARD ITEMS Adapter BNC F to TNC M 23758 Antenna BNC 50 MHz HF 9149 Antenna BNC 150 MHz VHF 9145 Antenna BNC 450 MHz UHF 9147 Antenna BNC 800 MHz 9143 Cable BNC M M 48 in 62368 Cable TNC M M 48 in 62398 Case Accessory 5762 ...

Page 19: ...NDARD ITEMS Case Transit 91706 Cover Stand 91679 External DC Power Supply 67374 Fuse Spare 5 A 32 Vdc Type F 56080 Handset 64606 Manual Getting Started Paper English 90521 Manual Operation ICW CD English 90520 Power Cable AC 3 wire leads 27516 ...

Page 20: ...t cont STANDARD ITEMS Power Cable AC Continental Europe 27480 Power Cable AC North America 27478 Power Cable AC UK 27477 Power Cable AC China 91803 or Power Cable DC Cigarette Lighter 62404 Short Open Load VSWR Calibrator TNC 38245 ...

Page 21: ...076 Case Soft Sided Carrying 10192 Manual Getting Started Paper Arabic Chinese Simplified Chinese Traditional French German Italian Japanese Korean Malay Polish Portuguese Russian Spanish 91859 91860 91862 91952 91863 139828 91864 91865 91866 91867 91868 91869 91870 Manual Maintenance CD English 90523 Manual Operation CD Arabic Chinese Simplified Chinese Traditional French German Italian Japanese ...

Page 22: ... ITEMS Adapter N M to TNC M 23766 Adapter N M to BNC F 20327 Adapter N F to BNC F 23770 Attenuator 20 dB 50 W 38240 Attenuator 20 dB 150 W 38242 Battery Spare 67076 Case Soft Sided Carrying 10192 Tripod Tripod Stand Tripod Dolly 67474 6361 63659 ...

Page 23: ... Italian 139828 Japanese 91864 Korean 91865 Malay 91866 Polish 91867 Portuguese 91868 Russian 91869 Spanish 91870 Manual Maintenance CD English 90523 Manual Operation CD Arabic 91848 Chinese Simplified 91849 Chinese Traditional 91850 French 91947 German 91851 Italian 139827 Japanese 91852 Korean 91853 Malay 91854 Polish 91855 Portuguese 91856 Russian 91857 Spanish 91858 ...

Page 24: ...Number 3550 3550R Communications Test Set Purpose of Equipment The 3550 3550R Communications Test Set is used for testing radios and related equipment B Nomenclature Cross Reference List COMMON NAME OFFICIAL NOMENCLATURE 3550 3550R 3550 3550R Communications Test Set Test Set or Unit 3550 3550R Communications Test Set ...

Page 25: ...arging bench operation or servicing The 3550 3550R and supplied accessories are stored in a Soft Carrying Case or a Transit Case A Capabilities Capabilities RF Receiver Testing Up to 1 GHz bandwidth AM FM frequency and level measurements RF Transmitter Testing Up to 1 GHz bandwidth AM FM 1 kHz 150 Hz and external modulation sources RF Power Meter 20 W intermittent duty cycle 200 W with an external...

Page 26: ...1 3 B Features Functions and Tiles LMR Optional Functions are shown for display purposes only ...

Page 27: ...1 4 B Features cont Functions and Tiles Extended LMR Optional Functions are shown for display purposes only ...

Page 28: ...1 5 B Features cont Functions and Tiles PTC Optional Functions are shown for display purposes only ...

Page 29: ...1 6 B Features cont Functions and Tiles Extended PTC Optional Functions are shown for display purposes only ...

Page 30: ...N ANT Port 20 dBm SWR Port 20 dBm T R Port 44 dBm Thermal alarm FREQUENCY Range 2 to 1000 MHz Accuracy Same as Timebase Resolution 1 Hz OUTPUT LEVEL RANGE TNC FEMALE T R Connector dBm µV 50 to 125 dBm 707 1 to 0 126 µV ANT Connector dBm µV 30 to 90 dBm 7071 1 to 7 1 µV SWR Connector dBm µV 5 to 65 dBm 125743 3 to 125 7 µV Level Accuracy 2 dB 3 dB 100 dBm 3 dB 110 dBm Hold Atten Mode Level Resoluti...

Page 31: ...te 2 kHz Deviation 300 Hz to 3 kHz BPF FM Deviation Resolution 1 Hz FM Deviation Accuracy 10 2 to 50 kHz deviation 150 Hz to 3 kHz rate MIC IN Microphone Input 2 to 15 mVrms 8 mVrms nominal Range 1 35 to 350 mVrms 100 mVrms nominal Range 2 2 to 32 mVrms 20 mVrms nominal Range 3 FM Input Frequency Range 300 Hz to 3 kHz FM Deviation Off 0 Hz to 80 kHz FM Modulation Accuracy 20 300 Hz to 1 2 kHz 30 1...

Page 32: ...n 3 20 to 90 mod 1000 Hz rate 300 Hz to 3 kHz BPF Ext AUDIN Input Switchable Loads 150 Ω 600 Ω 1 KΩ Div10 High Z Input Levels 0 05 to 3 Vrms AM Input Frequency Range 300 Hz to 5 kHz AM Input Level Sensitivity 1 35 mVrms nominal High Z Load MIC IN Microphone Input 2 to 15 mVrms 8 mVrms nominal Range 1 35 to 350 mVrms 100 mVrms nominal Range 2 2 to 32 mVrms 20 mVrms nominal Range 3 AM Input Frequenc...

Page 33: ...ns are for each FGEN individually Frequency Range 30 Hz to 5 kHz 0 to 20 kHz operational Frequency Resolution 0 1 Hz Frequency Accuracy Timebase 2 Hz Output Level Load Impedance 600 Ω Audio Level Out 0 to 1 57 Vrms Resolution 0 01 Vrms Accuracy 10 Distortion 3 1 kHz rate sine 300 Hz to 3 kHz PTT OPERATION NOTE PTT ON OFF changes between TRANSMITTER TEST and RECEIVER TEST PTT ON Low GND PTT OFF Hig...

Page 34: ... for 10 seconds Alarm sounds T R Connector 37 dBm AM 43 dBm FM NOTE Overtemp Alarm trips if the power is left on too long and the temperature of the Power Termination gets too hot FM Demod Output AUD OUT IF BW 5 6 25 8 33 10 12 5 25 30 100 and 300 kHz IF BW Audio Filters BW C Wt BP CCITT BP NONE 15 kHz LP 300 Hz LP 300 Hz HP 5 kHz LP 300 Hz to 5 kHz BP 300 Hz to 3 kHz BP 300 Hz to 20 kHz BP and 3 ...

Page 35: ...Connector 50 to 43 dBm Resolution 0 01 dBm Accuracy 3 dB RF POWER METER Broadband RF Power into T R Connector Display Range Units 0 to 43 dBm 0 to 20 W 0 to 53 dBm 0 to 200 W Ext Atten set to 20 dB Minimum Input Level w dBm 0 10 W 20 dBm Maximum Input Level 43 dBm 20 W for 10 minutes at 25 C or until Thermal Alarm sounds whichever occurs first Alarms 44 dBm for 5 seconds ON 5 minutes OFF or until ...

Page 36: ...ak Peak Peak Peak 2 Resolution 0 1 Hz Accuracy 10 500 Hz to 100 kHz Deviation 5 1 to 10 kHz Deviation 150 Hz and 1 kHz Rate AM MODULATION METER Meter Range 5 to 100 Meter Modes Peak Peak Peak Peak 2 Resolution 1 Accuracy 5 of reading 1 kHz rate 30 to 90 modulation 3 kHz LPF SWR MEASUREMENT FREQUENCY Range 2 to 1000 MHz Calibration and Sweep Bandwidth 2 to 1000 MHz 0 1 MHz Resolution SWR READING Di...

Page 37: ...00 Resolution 0 1 Accuracy 10 reading 1 20 1 Count AF COUNTER Input Demodulation Range FM 15 Hz to 20 kHz IF BW set appropriately for received modulation BW AM 100 Hz to 10 kHz IF BW set appropriately for received modulation BW Baseband Audio In 10 mVp p to 5 Vp p Audio Input Level 15 Hz to 20 kHz Ext Audio Input 10 mVrms to 1 5 Vrms Resolution 0 1 Hz Accuracy 1 Hz AUDIO FREQUENCY LEVEL METER Meas...

Page 38: ...f Full Scale DC to 5 kHz Bandwidth 5 kHz Horizontal Sweep Range 0 5 ms Div to 0 1 sec Div Accuracy 3 of Full Scale Trigger Source Auto or Normal Internal Trigger Adjustment Variable on Vertical Scale Markers Two Markers Displays Vertical Measurement Voltage kHz Modulation Displays Delta in Time between Markers SPECTRUM ANALYZER OPTIONAL Frequency Range 2 MHz to 1 GHz Span 10 kHz to 5 MHz in a 1 2 ...

Page 39: ...y 0 15 ppm at 20 C to 70 C Aging 0 02 ppm day 1 0 ppm year EXTERNALLY REFERENCED TIMEBASE CALIBRATION Input Frequency Range 2 to 1000 MHz Reference Input Connector T R 20 dBm External Referenced Timebase Accuracy 0 2 Hz from external source applied aging specification of internal timebase EXAMPLE 10 MHz 0 2 Hz 0 02 ppm of the external timebase reference aging specification of internal timebase ...

Page 40: ...40 C NOTE Battery is to be charged at temperatures between 0 C and 45 C only NOTE Use reason when working with RF test instruments All thermal ratings are dependent upon applied RF power The 3550 alarms once the internal temperature of the 3550 exceeds predetermined limits Applying power continuously in high ambient temperature conditions result in a heat build up within the instrument The 3550 is...

Page 41: ...oltage According to Installation Category II AC DC CONVERTER Usage Environment Indoor use Pollution Degree 2 Operating Temperature 0 C to 40 C Storage Temperature 20 C to 85 C NOTE Consider the use of the Unit for thermal operating temperature All thermal ratings are dependent upon applied RF power The Unit alarms once the internal temperature exceeds safety limits Applying power continuously in a...

Page 42: ...cal Duty Cycle 80 Transmitter and 20 Receiver tests Minimum Backlight Still Viewable 4 5 hours continuous use 40 Backlight 4 hours continuous use 100 Backlight 3 5 hours continuous use Charge Time 4 hours Unit OFF typical 8 hours Unit ON typical NOTE Battery is to be charged at 0 C to 45 C Dead Battery 10 capacity is to be charged for 20 minutes before operation on AC Power STATIC THERMAL CHARACTE...

Page 43: ...PGA and memory to send data through the Power PC to the ColdFire for display on the LCD Display and to the external connectors The RF Assy consists of the RF Controller PCB Assy and the RF Converter PCB Assy The RF Converter PCB Assy converts the 10 5 MHz TX IF to the 2 MHz to 1 GHz RF and from the 2 MHz to 1 GHz receiver input to the 13 MHz RX IF The RF Converter PCB Assy also contains the VSWR c...

Page 44: ...CHAPTER 2 OPERATING INSTRUCTIONS 2 1 2 1 OPERATOR S CONTROLS INDICATORS AND CONNECTORS 8 1 2 3 4 5 16 6 7 10 11 12 13 9 15 14 ...

Page 45: ...ttery at Full Charge YELLOW Battery is Charging 8 REMOTE Connector Used for communicating with external equipment 9 Touch Screen Display Used for viewing menus and screens and for providing manual input for data and settings 10 DVM Connector Provides DC coupled input for the Audio Level Meter and the Oscilloscope Option functions 11 AUDIO IN Connector Used to receive external modulation input and ...

Page 46: ...2 3 2 2 FUNCTION TABS AND FUNCTION WINDOWS Functions and Tiles LMR Optional Functions are shown for display purposes only ...

Page 47: ...2 4 2 2 FUNCTION TABS AND FUNCTION WINDOWS cont Functions and Tiles PTC Optional Functions are shown for display purposes only ...

Page 48: ...m of the screen When the System icons are set to minimize mode default setting select the System icon tab to display the System icons Press the Open Close icon to display the System icons with input window Press the Open Close icon again to display the System icons in minimize mode ...

Page 49: ...libration value if calibrated Opens the Snapshot Function Window Indicates touch screen functions are locked or unlocked Captures freezes the readings traces on the screen Indicates the Unit is controlled remotely Indicates Warnings and Error Messages Displays the level of charge remaining in the Battery Status window ...

Page 50: ...tion Windows ICON FUNCTION Switches between notepad and slider bar Switches between active function windows on the screen Closes the Function Window Alternates between the different views if applicable of the Function Window Alternates between the different views if applicable of the Function Window ...

Page 51: ... marker to the lowest point on signal Moves the selected marker left to the next peak Supports press and hold functionality Moves the selected marker right to the next peak Supports press and hold functionality Moves the selected marker left to the next data point Supports press and hold functionality Moves the selected marker right to the next data point Supports press and hold functionality Move...

Page 52: ...ves can be worn when utilizing the Touch Screen or a writing instrument e g stylus can be used on the Touch Screen B User Interface UI Components The Test Set UI is a touch screen control panel that provides a flexible working environment for all users The UI is designed to allow users to open and close drag and drop and maximize minimize screen components to create custom display configurations T...

Page 53: ... or brings an opened Function Window to the forefront of the UI The Function Window displayed depends on the Options installed in the Test Set Function Windows Function Windows provide visual access to the Test Set s operating parameters and measurement data Function Windows are opened by selecting the Function Tab on the Launch Bar Function Windows are closed by selecting the Minimize icon at the...

Page 54: ...ccupies the full display area and provides access to function parameters which may not be visible in other views Function Windows can be moved anywhere on the display area except Full Screen view To move a Function Window touch or click on the Function Window s title block or background and drag the window to a new location on the display area Function Windows can be minimized to the Launch Bar wh...

Page 55: ...can be displayed on the display area at any one time When an active Function Window is closed and reopened the Test Set positions the Function Window in the last active state and position on the display area When multiple Function windows are active on the screen the Function windows can be switched back and forth ...

Page 56: ...eypad The value is then enabled by pressing the unit of measurement or the Enter Button on the Numeric Keypad Press Cancel to void any un entered changes and close the Numeric Entry Window Pressing Cancel does not restore a changed value that has already been enabled entered Press Clear to reset a numeric value to zero To reset an un entered value to the previously defined value press Cancel Press...

Page 57: ...djust the precision setting Once the digit range is selected the value is increased or decreased using the Slider Bar or the Up and Down arrows The Up increase and Down decrease arrows are used to adjust the last value selected in the bounding box Values are active at the time the values are edited live edits Press Cancel to void any un entered changes and close the Slider Bar Pressing Cancel does...

Page 58: ...2 15 2 2 2 TOUCH SCREEN cont B User Interface UI Components cont Keyboard The Keyboard is displayed when a Text Data Field is selected for editing The Keyboard functions similar to an external keyboard ...

Page 59: ...ssage windows are displayed with information or to request user interaction Locked Fields An editable field updates to the Locked state when the Test Set experiences a condition which makes the field un editable A locked field cannot be edited until the lock out condition is resolved ...

Page 60: ...ery usage and increases the amount of time the 3550 3550R can operate on battery power Follow these instructions to place the 3550 3550R into suspend sleep mode 1 With the 3550 3550R running in active awake mode SYS Indicator is White press the HOME Key to display the System Menu SYS Indicator HOME Key ...

Page 61: ...lace the 3550 3550R into suspend sleep mode SYS Indicator is Blue The Touch Screen Display is blank and the internal RF hardware systems are shut OFF NOTE The Digital Hardware systems retain active status and no information or screen settings are lost in suspend sleep mode SYS Indicator ...

Page 62: ...D SLEEP MODE cont 3 When the 3550 3550R is in suspend sleep mode press the HOME Key once to display the current time and battery life remaining Press the HOME Key a second time to restore the system to active awake mode ...

Page 63: ...splay the function tiles tabs and windows in several different languages To change the 3550 3550R to a different language select the System function tab Select the Language drop down item and choose the desired language Optional Languages are shown for display purposes only ...

Page 64: ...2 21 2 2 4 MULTI LANGUAGE SUPPORT cont EXAMPLE English Language Chinese Simplified Language English Language Chinese Simplified Language ...

Page 65: ...d Equipment Required No tools or equipment are required for operator preventive maintenance Cleaning materials required are a lint free cloth and mild liquid detergent B Routine Checks Preventive Maintenance is limited to routine checks such as shown below Cleaning Dusting Wiping Checking for frayed cables Storing items not in use Covering unused receptacles Checking for loose nuts bolts or screws...

Page 66: ...alize the 3550 3550R 1 Press the POWER Key to initialize the 3550 3550R 2 Verify the SYS Indicator illuminates 3 The Opening Screen is displayed The operator can now choose the desired screen NOTE The 3550 3550R displays the last screen s accessed when the Unit was powered down POWER Key SYS Indicator ...

Page 67: ...nk contact VIAVI Customer Service This procedure can only be completed with a Serial Number installed in the Unit 3 Unzip the License file to the PC then copy the License file options new to the following directory on a USB Flash Drive Instrument License 4 Install the USB Flash Drive in the USB Connector and wait for the Unit to recognize the USB Flash Drive approximately 15 seconds 5 Select Copy ...

Page 68: ...ction Tab to display the System Dropdown selections Select Options to display the Options Function Window Options are shown for display purposes only 2 Select the Remove License button The following prompt is displayed 3 Enter the password and select the OK Button to remove the License Select the Cancel Button to cancel the License removal ...

Page 69: ...ing a PC navigate to the VIAVI product website and download the zip file containing the System Software to the PC https www viavisolutions com en us products 3550r touch screen radio test system resources_software_downloads 3 After removing all files from a USB Flash Drive unzip the System Software files to the root directory of the USB Flash Drive 4 Confirm the Instrument folder is created in the...

Page 70: ...displays Files are ready to install select the Install Software Button Select the OK Button to continue Press the Cancel Button to abort the Software Load 8 When the Software load is completed the Unit prompts to cycle power NOTE Progress Bars are displayed showing the software installation progress 9 Cycle power and repeat Steps 6 to 8 until all displayed items have been installed in the Unit ...

Page 71: ...indow in the Unit 1 Select the Utilities Function Tab to display the Utilities Dropdown selections Select Store Recall to display the Store Recall Function Window 2 Select the File Name field use the Keyboard to select the file name and press Enter 3 Select the Store button NOTE Up to 100 setups can be saved ...

Page 72: ...hese instructions to save a Function Window in the Unit 1 Select the Utilities Function Tab to display the Utilities Dropdown selections Select Store Recall to display the Store Recall Function Window 2 Highlight the file name in the displayed list and select the Recall Button ...

Page 73: ...Snapshot Function Window File Names are shown for display purposes only Save Snapshot Select the Save button to save the Snapshot with the file name shown in the File field File Names are shown for display purposes only Press the OK button to save the file name ...

Page 74: ...New Folder Name field and use the Keyboard to select the folder name Press the OK button to save the folder name Create New File To create a new file name select the File Name field use the Keyboard to select the file name and press Enter File Names are shown for display purposes only Select the Save button and press the OK button to save the file name ...

Page 75: ...n File Names are shown for display purposes only Select the file to be deleted file name shown in the File field Press the Delete button to display the Delete Confirmation Window Press the Delete button to delete the file or the Cancel button to escape from the Delete action ...

Page 76: ...of the Target Unit into the Target IP Field 5 Select the Screen Settings Clear and Copy Button to clear all saved screens in the Target Unit and copy the saved screens from the Base Unit to the Target Unit 6 Select the Screen Settings Copy Button to copy the saved screens from the Base Unit to the Target Unit 7 Select the Scripts Clear and Copy Button to clear all Scripts in the Target Unit and co...

Page 77: ...adphones Audio Squelch Adjusts Audio Squelch level Squelch Value Selects Audio Squelch level display Menu Timeout Delay Adjust for timeout on Launch Bar for Menu to remain displayed Backlight Adjust for Backlight brightness System Reset Resets Test Set to factory settings Suspend Select to place Test Set in Suspend Sleep Mode Hide Menu Launch Bar is not displayed on top of Touch Screen Hide Icons ...

Page 78: ... ARIB T98 and PDR C Advanced Digital Configuration The Advanced Digital configuration provides access to advanced digital test modes These modes include P25 Phase 2 HCPM and HDQPSK and DMR Repeater Sync For simplicity the Advanced Digital configuration also contains P25 Phase 1 and DMR test parameters which allows users to provide complete P25 Phase 1 and Phase 2 tests and DMR mobile and repeater ...

Page 79: ...guration Modes Press the Home Key to display the System Menu Select the Configuration field to display a selection menu of configuration modes LMR PTC or Advanced Digital Select the desired configuration mode to change the configuration mode of the Unit ...

Page 80: ... probability rate that the installation is operational If the UUT is not operational the user can determine where the fault lies to such a level as to recommend corrective action i e replace the antenna return the radio for repair etc 2 5 2 TYPICAL VEHICLE INSTALLATION TEST 1 Connect the appropriate supplied Antenna to the 3550 3550R ANT Connector 2 Connect the Handset to the 3550 3550R AUDIO Conn...

Page 81: ...TION TEST cont 4 Select the following settings Port ANT Frequency Desired Frequency Level Desired Frequency Level 5 Select the Meters Tab to display the Meters Dropdown selections Select Modulation to display the Modulation Meter Screen ...

Page 82: ... TEST cont 6 Select the Meters Tab to display the Meters Dropdown selections Select RSSI to display the RSSI Meter Screen 7 Select the Meters Tab to display the Meters Dropdown selections Select RF Error to display the RF Error Meter Screen ...

Page 83: ... back and forth on several frequencies to determine that the radio is transmitting and receiving messages over the entire system Monitor field strength indicator for proper signal level Repeat this test at different locations around the antenna 11 If malfunction s occur in the testing process check the Antenna under test first using SWR 12 If Antenna test is positive troubleshoot malfunction s in ...

Page 84: ...50 3550R until the audio signal can no longer be heard in the Radio If a RF Power Amplifier is installed between the Radio and antenna take a measurement between the RF Power Amplifier and the antenna install the optional attenuator then measure between the Radio and the RF Power Amplifier to determine if the Radio or the RF Power Amplifier is faulty 4 Connect the antenna to the 3550 3550R SWR Con...

Page 85: ...lay the Instruments Dropdown selections Select the Ant Cable Test Dropdown selection to display the Ant Cable Test Screen 2 Select the following settings on the Control 1 Configuration Screen Type SWR Center Frequency Desired Frequency Span Desired Frequency Span ...

Page 86: ...nder test cable is being connected directly to the 3550 3550R then calibration is to be performed at the SWR Connector NOTE Once the SWR Connection is calibrated the SWR Connector remains in the calibration state until the user changes the point of connection to the UUT The ANT Cable Test Screen displays the Date and Time of the last Calibration above the Graphical Display 4 Connect the System Und...

Page 87: ... used to determine the SWR at any point across the span Select Marker Button to initiate a Marker 7 Select and move the Marker to the desired location on the trace NOTE Up to three Markers may be placed on the Graphical Display at a time Readings for each Marker corresponding to the Marker position are displayed with the Marker Buttons ...

Page 88: ...OTE Calibration must be performed at the point the operator is connecting to the system under test If the supplied test cable is being used to connect to the system under test calibration is to be performed at the end of the test cable Test cable should not exceed four feet in length If the system under test cable is being connected directly to the 3550 3550R then calibration is to be performed at...

Page 89: ...updated approximately every 20 seconds Allow at least two updates of the Graphical Display to ensure data is valid 5 Select the following settings on the Control 1 Configuration Screen Type DTF Y Unit dB 6 Select the following settings on the Control 2 Configuration Screen Unit Feet or Meters Estimated Length Total Cable Length of System Under Test plus 15 ...

Page 90: ...ss per 100 ft 8 Select Store Cable or Recall Cable on the Cable Configuration Screen to store a Cable or select a Cable from the dropdown list 9 Connect the System Under Test to the SWR Connector at the point of calibration 10 The Graphical Display is updated approximately every 20 seconds Allow at least two updates of the Graphical Display to ensure data is valid ...

Page 91: ...rkers are used to determine the SWR at any point across the span Select Marker Button to initiate a Marker 12 Select and move the Marker to the desired location on the trace NOTE Up to three Markers may be placed on the Graphical Display at a time Readings for each Marker corresponding to the Marker position are displayed with the Marker Buttons ...

Page 92: ...ase on a clean and dry surface Open the Transit Case to inspect contents Store the shipping carton for future use should the 3550 3550R need to be returned B Checking Unpacked Equipment Check the equipment for damage incurred during shipment If the equipment has been damaged or if items seem to be absent from the shipment report the damage and or discrepancies to VIAVI Customer Service CONTACT VIA...

Page 93: ...LOW the battery is at 25 capacity If the battery level shown in the BAT Field on most Test Screens drops to 10 10 the 3550 3550R powers down automatically The battery charger operates whenever the supplied External DC Power Supply or a suitable 11 to 32 Vdc DC Power source is applied to the 3550 3550R When charging the battery reaches a 100 charge in approximately four hours Unit OFF eight hours U...

Page 94: ...ctions that may occur nor all the tests or inspections and corrective actions If a malfunction is not listed or is not corrected by the listed corrective actions route the 3550 3550R to an authorized Maintenance Facility for repair SYMPTOM DESCRIPTION PAGE 1 External DC Power Supply failure 3 5 2 SYS Indicator does not illuminate 3 5 3 BATT Indicator does not illuminate 3 6 4 Blows Fuse 3 6 5 Batt...

Page 95: ...YS Indicator does not illuminate Step 1 Connect the External DC Power Supply to a verifiable AC Power Source and verify the LED is lit If incorrect replace the External DC Power Supply Step 2 Using a DMM on the External DC Power Supply output verify 11 to 32 Vdc 2 Vdc If incorrect replace the External DC Power Supply Step 3 Verify the Battery is installed If incorrect install the Battery para 3 3 ...

Page 96: ...e 3550 3550R Using a DMM verify 11 1 Vdc Nominal at the Battery Connector Red wire If incorrect replace the Battery para 3 3 2 Step 6 Connect the External DC Power Supply to the 3550 3550R Using a DMM verify 12 6 Vdc at the Battery Connector Red wire If incorrect refer to Troubleshooting in the 3550 3550R Maintenance Manual Contact VIAVI Customer Service 4 Blows Fuse Step 1 Connect the External DC...

Page 97: ...ATT Indicator is Green If incorrect replace the Battery para 3 3 2 6 Display is blank or abnormality exists in Display Step 1 Press the POWER Key Step 2 Check and or adjust Contrast and Backlight levels Refer to Troubleshooting in the 3550 3550R Maintenance Manual Contact VIAVI Customer Service 7 Keys inoperable Refer to Troubleshooting in the 3550 3550R Maintenance Manual Contact VIAVI Customer S...

Page 98: ...3550 3550R ON from a dead battery condition The Battery should be charged every three months minimum or disconnected for long term inactive storage periods of more than six months The Battery must be removed when conditions surrounding the 3550 3550R are 20 C or 60 C DESCRIPTION This procedure is used to recharge the Battery in 3550 3550R with an External DC Power Supply WARNING Do not recharge th...

Page 99: ...urs Unit OFF eight hours Unit ON for Battery charge or until the BATT Indicator is GREEN If the BATT Indicator is YELLOW and or the Battery fails to accept a charge and the 3550 3550R does not operate on Battery power refer to Troubleshooting para 3 2 ...

Page 100: ...RES DO NOT CRUSH INCINERATE OR DISPOSE OF THE LITHIUM ION BATTERY PACK IN NORMAL WASTE DO NOT SHORT CIRCUIT OR FORCE DISCHARGE OF THE LITHIUM ION BATTERY PACK AS THIS MIGHT CAUSE THE LITHIUM ION BATTERY PACK TO VENT OVERHEAT OR EXPLODE REMOVE 1 Fully loosen the captive screws on each side of the bumper in the two lower bumpers and remove the bumpers from the 3550 3550R 2 Fully loosen five captive ...

Page 101: ... Disconnect the Battery Wire Harness and remove the Battery from the 3550 3550R INSTALL 1 Install the Battery in the 3550 3550R and connect the Battery Wire Harness 2 Install the Battery Cover on the 3550 3550R and tighten five captive screws 8 in lbs ...

Page 102: ...3 11 3 3 2 BATTERY REPLACEMENT cont INSTALL cont 3 Install the two lower bumpers on the 3550 3550R and tighten the captive screws on each side of the bumpers 8 in lbs ...

Page 103: ...ACE ONLY WITH FUSES OF THE SPECIFIED VOLTAGE AND CURRENT RATINGS 5 A 32 VDC TYPE F MINI BLADE FUSE REMOVE 1 Fully loosen the captive screws on each side of the bumper in the two lower bumpers and remove the bumpers from the 3550 3550R 2 Fully loosen five captive screws holding the Battery Cover to the 3550 3550R and remove the Battery Cover from the 3550 3550R ...

Page 104: ...3 13 3 3 3 FUSE REPLACEMENT cont REMOVE cont 3 Locate and remove the Fuse INSTALL 1 Install the Fuse ...

Page 105: ...ENT cont INSTALL cont 2 Install the Battery Cover on the 3550 3550R and tighten five captive screws 8 in lbs 3 Install the two lower bumpers on the 3550 3550R and tighten the captive screws on each side of the bumpers 8 in lbs ...

Page 106: ... s on the 3550 3550R REMOVE 1 Fully loosen the captive screws on each side of the bumper in the two bumpers on the right or left side of the 3550 3550R and remove the bumpers from the 3550 3550R 2 Remove the four shoulder bolts securing the Handle to the 3550 3550R and remove the Handle ...

Page 107: ...REPLACEMENT cont INSTALL 1 Install the Handle and the four shoulder bolts 8 in lbs 2 Install the two bumpers on the right or left side of the 3550 3550R and tighten the captive screws on each side of the bumper 8 in lbs ...

Page 108: ...d to replace the bumper s on the 3550 3550R REMOVE Fully loosen the captive screws on each side of the bumper and remove the bumper from the 3550 3550R INSTALL Install the bumper on the 3550 3550R and tighten the captive screws on each side of the bumpers 8 in lbs ...

Page 109: ...ase from moving within the container Seal the shipping container with approved sealing tape Mark FRAGILE on the top bottom and all sides of the shipping container B Environment The 3550 3550R should be stored in a clean dry environment In high humidity environments protect the 3550 3550R from temperature variations that could cause internal condensation The following environmental conditions apply...

Page 110: ...nter positive INPUT AUDIO 6 Pin CIRCULAR Female MIXED INPUT OUTPUT Refer to Appendix A Table 2 for AUDIO Connector description REMOTE 44 Pin D SUB Female MIXED INPUT OUTPUT Refer to Appendix A Table 3 for REMOTE Connector description ETHERNET MIXED INPUT OUTPUT Refer to Appendix A Table 4 for ETHERNET Connector description DVM BNC Female INPUT AUDIO IN BNC Female INPUT AUDIO OUT BNC Female OUTPUT ...

Page 111: ...A 2 A 2 AUDIO CONNECTOR PIN OUT TABLE A F E D C B PIN NO SIGNAL NAME A GND B SPEAKER C PTT D MIC E MICSEL1 F MICSEL2 Table A 2 AUDIO Connector Pin Out Table ...

Page 112: ...GND 29 REM_GPIO 1 8 PPC_ERX_N 30 REM_GPIO 3 9 PPC_ETX_N 31 USB3_VBUS 10 GND 32 USB3_GND 11 PPCUSR_RTS 33 5V_ACC 12 PPCUSR_RXD 34 PPCDBUG_RXD 13 REM_GPIO 7 35 GND 14 REM_GPIO 6 36 OMAPRCI_RXD 15 REM_GPIO 2 37 GND 16 USB3_FD_N 38 PPC_ERX_P 17 USB3_FD_P 39 GND 18 OMAPCON_TXD 40 REM_GPIO 4 19 OMAPCON_RXD 41 REM_GPIO 0 20 GND 42 OMAPCON_RTS 21 OMAPRCI_TXD 43 OMAPCON_CTS 22 OMAPRCI_CTS 44 BKBOX Table A ...

Page 113: ...A 4 A 4 ETHERNET CONNECTOR PIN OUT TABLE 1 8 PIN NO SIGNAL NAME 1 TX 2 TX 3 RX 4 NOT USED 5 NOT USED 6 RX 7 NOT USED 8 NOT USED Table A 4 ETHERNET Connector Pin Out Table ...

Page 114: ...A 5 A 5 USB CONNECTOR PIN OUT TABLE 1 4 PIN NO SIGNAL NAME 1 VCC 2 D 3 D 4 GND Table A 5 USB Connector Pin Out Table ...

Page 115: ...A 6 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 116: ...e g For Example EMC Electromagnetic Compatibility EMI Electromagnetic Interference Err Error ESC Escape Est Estimated F F Female FH Frequency Hop Fgen Function Generator FM Frequency Modulation FPGA Field Programmable Gate Array FREQ Frequency G Gen Generate Generator GHz Gigahertz 109 Hertz H H Hour HI High HP High Pass Hr Hour HW Hardware Hz Hertz I ID Identification i e That is IF Intermediate ...

Page 117: ...erature Temp Temperature TNC Threaded Neill Concelman T R Transmit Receive TX Transmit U UHF Ultra High Frequency UI User Interface USB Universal Serial Bus UUT Unit Under Test V V Volt VAC Volts Alternating Current Vdc Volts Direct Current VHF Very High Frequency Vol Volume Vp Volta Peak Vrms Volts Root Mean Square VSWR Voltage Standing Wave Ratio W W Watt Y Y Year ...

Page 118: ...olutions North America 1 844 GO VIAVI 1 844 468 4284 Latin America 52 55 5543 6644 EMEA 49 7121 862273 APAC 1 512 201 6534 All Other Regions viavisolutions com contacts Part of CD 90520 Rev L0 Feb 2020 English ...

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