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Summary of content (102 pages)

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Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment • FAST SHIPPING AND DELIVERY • TENS OF THOUSANDS OF IN-STOCK ITEMS • EQUIPMENT DEMOS • HUNDREDS OF MANUFACTURERS SUPPORTED • LEASING/MONTHLY RENTALS • ITAR CERTIFIED SECURE ASSET SOLUTIONS SERVICE CENTER REPAIRS Experienced engineers and technicians on staff at our full-service, in-house repair center WE BUY USED EQUIPMENT Sell your excess, underutilized, and idle used equipment We also offer credit for buy-back
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x AMM768 Audio Multi-Channel Monitor Specifications and Performance Verification Technical Reference 01010 110 11001 11 11110 1 0 0 1 1 10 110 00101 1 1 0 1 0 11 11 10110 0 1 1 1 0 1 0 11010 01010 *P077038500* 077-0385-00 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.
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Technical Reference AMM768 Audio Multi-Channel Monitor Specifications and Performance Verification 077-0385-00 This document applies to firmware version 1.X. www.tektronix.com Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.
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Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries or suppliers, and are protected by national copyright laws and international treaty provisions. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
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Warranty 2 Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one (1) year from the date of shipment. If any such product proves defective during this warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product.
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Table of Contents General Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Service Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Environmental Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v vii ix xi Related User Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents List of Figures Figure 2--1: Wiring diagram for LTC input/ground closure cable . . Figure 2--2: VM5000 HD frequency response display . . . . . . . . . . . . Figure 2--3: Trigger polarity positive . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2--4: Trigger polarity negative . . . . . . . . . . . . . . . . . . . . . . . . . ii 2--24 2--46 2--51 2--52 AMM768 Audio Multi-Channel Monitor Technical Reference Artisan Technology Group - Quality Instrumentation ...
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Table of Contents List of Tables Table 1--1: Picture mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 1--2: Data error detection (EDH / Status, Under STATUS Button) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 1--3: Audio Bar Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 1--4: Audio Bar and Lissajous/Surround Display . . . . . . . . . . Table 1--5: AES Audio Inputs . . . . . . . . . . . . .
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Table of Contents Table 2--2: Touch Panel Visual Defects . . . . . . . . . . . . . . . . . . . . . . . . Table 2--3: Diagnostics Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 2--4: Required Test Equipment (General Performance) . . . . . Table 2--5: Oscilloscope Settings for Serial Output Amplitude . . . . iv 2--15 2--16 2--29 2--50 AMM768 Audio Multi-Channel Monitor Technical Reference Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.
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General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. To avoid potential hazards, use this product only as specified. Only qualified personnel should perform service procedures. To Avoid Fire or Personal Injury Use Proper Power Cord. Use only the power cord specified for this product and certified for the country of use. Ground the Product.
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General Safety Summary Symbols and Terms Terms in this Manual. These terms may appear in this manual: WARNING. Warning statements identify conditions or practices that could result in injury or loss of life. CAUTION. Caution statements identify conditions or practices that could result in damage to this product or other property. Terms on the Product. These terms may appear on the product: DANGER indicates an injury hazard immediately accessible as you read the marking.
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Service Safety Summary Only qualified personnel should perform service procedures. Read this Service Safety Summary and the General Safety Summary before performing any service procedures. Do Not Service Alone. Do not perform internal service or adjustments of this product unless another person capable of rendering first aid and resuscitation is present. Disconnect Power. To avoid electric shock, switch off the instrument power, then disconnect the power cord from the mains power.
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Service Safety Summary viii AMM768 Audio Multi-Channel Monitor Technical Reference Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.
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Environmental Considerations This section provides information about the environmental impact of the product. Product End-of-Life Handling Observe the following guidelines when recycling an instrument or component: Equipment Recycling. Production of this equipment required the extraction and use of natural resources. The equipment may contain substances that could be harmful to the environment or human health if improperly handled at the product’s end of life.
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Environmental Considerations x AMM768 Audio Multi-Channel Monitor Technical Reference Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.
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Preface This reference document provides technical information about using the AMM768 Audio Multi-Channel Monitor. Related User Documents The following related user documents are available: H AMM768 Audio Multi-Channel Monitor Release Notes (Tektronix part number 071-2172-XX). This document describes any known problems or behaviors that you might encounter while using the audio monitor.
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Preface Related Reference Documents The following related reference documents are available at the Tektronix, Inc. Web site (www.tektronix.com): xii H Analog and Digital Audio Monitoring. This application note describes how to monitor analog and digital audio signals. Also discussed are specific differences in the methods used to monitor analog audio versus digital audio, and how to plan the transition from monitoring analog audio to monitoring digital audio. H Audio Monitoring.
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Specifications Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.
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Specifications The following tables list the specifications for the Tektronix AMM768 Audio Monitor. Items listed in the Performance Requirement column are generally quantitative, and can be tested by the Performance Verification procedure in Section 2 of this manual. Items listed in the Reference Information column are useful operating parameters that have typical values; information in this column is not guaranteed.
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Specifications Table 1- 2: Data error detection (EDH / Status, Under STATUS Button) Characteristic Performance requirement Reference information Active picture and full field. Field rate resolution Complies with SMPTE RP165 Uses CRC check-word system.
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Specifications Table 1- 3: Audio bar displays (cont.) Characteristic Performance requirement Correlation Meter Speed Reference information User selectable 1 to 20. Factory default is set to 8.
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Specifications Table 1- 3: Audio bar displays (cont.) Characteristic Performance requirement Reference information True Peak Ballistic Response PPM Type II decay characteristics, no attack delay, factory default ballistic Extended VU Ballistic Response VU meter as defined in IEEE 152-- 1991, but with an extended dB-linear scale. The meter bars also contain true peak indicators when VU is selected Loudness F and S Loudness Equivalent (Leq) as per IEC 61672-- 1.
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Specifications Table 1- 3: Audio bar displays (cont.) Characteristic Performance requirement Reference information Digital Range 0 to - 30 dBFS Analog Range 24 to - 6 dBu Peak Program level is the level, relative to digital full scale, scale that the user chooses as the maximum desired level for monitored programs.
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Specifications Table 1- 4: Audio bar and lissajous/surround display (cont.
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Specifications Table 1- 5: AES audio inputs (cont.) Characteristic 1 Performance requirement Audio Levels Reference information Bars display signals up to 0 dBFS Must not exceed maximum power specification on analog outputs. Configure output attenuation if necessary 1 The AES B connectors can be configured for input or output functionality.
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Specifications Table 1- 6: AES audio outputs (alternate function on second set of inputs) (cont.) Characteristic 1 Performance requirement Output Jitter, Typical Reference information 3.5 ns peak with 700 Hz high pass filter per AES specification AES3 rev. 1997 specification is 4.
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Specifications Table 1- 8: Analog audio inputs Characteristic Performance requirement Reference information Number of Channels Provides up to two sets of six channels of professional balanced differential inputs for each video input, 12 channels total Input Connector Balanced, unterminated via rear panel connector Use 62 pin, 3 row, DSUB connector, only 2 rows of 42 pins are connected Analog Level Meter Accuracy over Frequency ±0.
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Specifications Table 1- 9: Analog audio outputs Characteristic Performance requirement Audio Modes Reference information Balanced: provides a full-scale output of 24 dBu and is designed for professional balanced applications Unbalanced: Designed to drive the unbalanced inputs of consumer amplifiers, in which case the negative output pin must be grounded Audio Sources The channels routed to the line outputs may include: Embedded audio source, AES audio source, Analog audio source, and Decoded Dolby Nu
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Specifications Table 1- 9: Analog audio outputs (cont.) Characteristic Performance requirement Digital Input to Analog Output Crosstalk, Typical Reference information <-- 90 dB, 20 Hz to 20 kHz, 24 dBu or 0 dBFS input <-- 100 dB, 20 Hz to 2 kHz, 24 dBu or 0 dBFS input Defined as cross talk within a pair Output Power Capability, Typical Capable of continously driving a - 10 dBFS sinewave into 600 Ω or - 13 dB into 300 Ω This is 25 mW RMS in the load per output pair.
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Specifications Table 1- 10: Dolby Digital (AC- 3) compressed audio monitoring (Opt. DD) Characteristic Performance requirement Reference information Compressed Audio Input Format Decodes audio and metadata from Dolby data stream transported through AES or 48 kHz embedded audio source.
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Specifications Table 1- 12: Picture monitor outputs (VGA pix mon) Characteristic Performance requirement Signal Format VGA DSUB Outputs Reference information Y, Pb, Pr with sync on Y, RGB with sync on all, HD and SD. HD sync is tri-level, also have TTL H and V drive. Component mode only available for SDI input mode Does not support 720p 30, 720p 29.97, 720p 25, 720p 24 or 720p 23.98 formats No H and V sync outputs when sourcing 1080p sf 23.
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Specifications Table 1- 12: Picture monitor outputs (VGA pix mon) (cont.) Characteristic Performance requirement Reference information Signal to Noise Ratio, Typical SD 70 dB to 5.
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Specifications Table 1- 15: LTC time code input / ground closures Characteristic Performance requirement Reference information LTC Input Connector Balanced, unterminated via rear-panel GC remote connector. See Table 1-- 21 for connector pinout LTC Input Impedance Greater than 10 kΩ LTC Signal Characteristics Longtitudinal Time Code per IEC Publication 461 LTC Signal Amplitude Range, Typical 0.2 Vp-p to 5.
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Specifications Table 1- 17: Serial digital video interface (Input A, Input B) (cont.) Characteristic Performance requirement Cable Loss Accommodation With 1/SQRT(f) characteristic at ½ of serial rate Reference information SD 0 to 30 dB attenuation Equivalent to approximately 300 m of Belden 8281 at 270 Mb/s HD 0 to 20 dB attenuation Equivalent to approximately 80 m of Belden 8281 at 1.485 Gb/s.
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Specifications Table 1- 19: Ethernet Characteristic Performance requirement Reference information IP Address Mode Supports manual and DHCP SNMP For instrument control and feedback of status. Complies with SNMP version 2 Connector Type RJ-45 LAN connector supporting 10/100 Base-T Table 1- 20: USB Characteristic Performance requirement Reference information Type Host Speed Complies with USB 1.1 and USB 2.0 full speed specification Full speed operation in accordance with USB 2.
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Specifications Table 1- 22: Power source Characteristic Performance requirement Electrical Rating 100 - 240 VAC ±10%, 50/60 Hz 115 Watts max Reference information Supply Connection Detachable cord set Power Consumption, Typical 50 to 110 VA at 110 or 240 VAC Surge, Typical 7.5 Amps at 90 V 10 Amps at 240 V Fuse Rating T3.5, 250 V Not operator replaceable.
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Specifications Physical Specifications Table 1- 24: Physical characteristics Characteristic Standard Dimensions Height 5 1/4 inches (133.4 millimeters) Width 8 1/2 inches (215.9 millimeters) Depth 18 1/8 inches (460.4 millimeters) Weight Net 12 pounds (5.5 kilograms) Shipping 21 pounds (9.
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Specifications Supported Digital Standards An X in Table 1--26 indicates that that combination is supported. Other combinations within each of these tables may work, but are unverified and only supported on a best effort basis. Table 1- 26: Supported digital standards Field/Frame Rate Standard 274M Image Format 60 Hz 59.94 50 30 Hz 29.97 25 24 23.
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Specifications Alarms The following tables list the alarms that may be set for the audio monitors.
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Specifications Table 1- 30: Video and embedded audio alarms (Requires Option SDI) Alarm Description SDI Input Missing Indicates that no signal is detected on the selected SDI input SDI Input Signal Lock Indicates unable to lock to selected SDI input signal Timecode Vitc Missing Indicates that a break or discontinuity in the VITC has occurred Timecode Vitc Invalid Indicates that the VITC was lost for one frame but has reappeared Timecode Anc Missing Indicates that a break or discontinuity in the
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Specifications Table 1- 30: Video and embedded audio alarms (Requires Option SDI) (cont.) Alarm Description Emb. Audio Presence Indicates that no embedded audio stream is detected in the selected SDI input (Embedded) Checksum Indicates that the checksum present in the embedded audio stream does not match the calculated checksum (Embedded) Parity Indicates incorrect parity in one or more embedded audio samples Emb.
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Specifications 1- 24 AMM768 Audio Multi-Channel Monitor Technical Reference Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.
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Performance Verification Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.
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Performance Verification This section contains a collection of manual procedures to verify that the audio monitor performs as warranted. The procedures are arranged in two basic sections: Incoming Inspection Procedures and Performance Verification Procedures.
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Performance Verification 2- 2 AMM768 Audio Multi-Channel Monitor Technical Reference Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.
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Test Records Use the tables on the following pages to record the measured performance or Pass/Fail status for each step of the specified test procedure.
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Test Records AMM768 Audio Multi-channel Monitor Functional Test Record (cont.
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Test Records Test Record - All Instruments AMM768 Audio Multi-channel Monitor Test Record Instrument Serial Number: Temperature: Date of Calibration: Performance Test Certificate Number: RH %: Technician: Minimum Incoming Outgoing Maximum AES Audio Output Amplitude AES B 1-- 2 I/O 0.9 V 1.1 V AES B 3-- 4 I/O 0.9 V 1.1 V AES B 5-- 6 I/O 0.9 V 1.1 V AES B 7-- 8 I/O 0.9 V 1.1 V Left (100 Hz) - 0.75 dBu 1.25 dBu Right (100 Hz) - 0.75 dBu 1.25 dBu Left (1 kHz) - 0.75 dBu 1.
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Test Records Test Record - Options AD, DD, and DDE only AMM768 Audio Multi-channel Monitor Test Record Instrument Serial Number: Temperature: Date of Calibration: Performance Test Certificate Number: RH %: Technician: Minimum Incoming Outgoing Maximum Analog Audio Level Meter Accuracy Over Frequency Analog Input A1 (100 Hz) 17.5 dBu 18.5 dBu Analog Input A2 (100 Hz) 17.5 dBu 18.5 dBu Analog Input A3 (100 Hz) 17.5 dBu 18.5 dBu Analog Input A4 (100 Hz) 17.5 dBu 18.
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Test Records AMM768 Audio Multi-channel Monitor Test Record (cont.) Instrument Serial Number: Temperature: Date of Calibration: Performance Test Certificate Number: RH %: Technician: Minimum Incoming Outgoing Maximum Analog Input B6 (1 kHz) 17.5 dBu 18.5 dBu Analog Input B1 (19 kHz) 17.5 dBu 18.5 dBu Analog Input B2 (19 kHz) 17.5 dBu 18.5 dBu Analog Input B3 (19 kHz) 17.5 dBu 18.5 dBu Analog Input B4 (19 kHz) 17.5 dBu 18.5 dBu Analog Input B5 (19 kHz) 17.5 dBu 18.
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Test Records Test Record - Tests Instruments Equipped with Option SDI AMM768 Audio Multi-channel Monitor Performance Test Record Instrument Serial Number: Temperature: Date of Calibration: Performance Test Certificate Number: RH %: Technician: Minimum Incoming Outgoing Maximum HD SDI Input Level Low and High Input A, Low Level Input A, High Level 90% (720 mV) 110% (880 mV) Input B, Low Level Input B, High Level 90% (720 mV) 110% (880 mV) CRC and HD SDI Input Equalization Range CRC Pass Input A C
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Test Records AMM768 Audio Multi-channel Monitor Performance Test Record (cont.
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Test Records 2- 10 AMM768 Audio Multi-Channel Monitor Technical Reference Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.
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Incoming Inspection This section contains functional/operational checks appropriate to an incoming inspection. The instrument must have been operating for a warm-up period of at least 20 minutes, and must be operating at an ambient temperature as listed in Table 1--25 on page 1--19. Use the following procedures to check the basic functionality of AMM768 Audio Monitors. The checks are arranged by option so that you can choose the sections that are appropriate for your instrument.
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Incoming Inspection Table 2- 1: Required Test Equipment (cont.) Test Equipment SDI serial digital video test generator, with embedded audio and composite signal p g source Requirements NTSC Black 1080i 59.
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Incoming Inspection The sequence will repeat until the Boot Loader process completes (approximately 30 seconds). 3. Record pass or fail in the test record for Front Panel LEDs. 4. After about 50 seconds, the Power on diagnostic page should appear. 5. Verify that all self tests pass. Any failures will be shown in red. The results of the power-on diagnostics are erased from the screen, but you can view the results by selecting MAIN > Config > Diagnostics> Diagnostics Log. 6.
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Incoming Inspection 8. Press the BARS button, and then the DISPLAY button to display the Bars tile at full screen. 9. Touch the Headphone icon in the lower left corner of the display. 10. Turn the HEADPHONE VOLUME knob and note that the bar in the Headphone icon display moves up and down. 11. Record Pass or Fail for Buttons and Knobs in the test record. LCD Pixel and Touch Screen Defects 1. Set the instrument for an all white screen: a. Press the MAIN button. b.
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Incoming Inspection Table 2- 2: Touch Panel Visual Defects Defect Type1 Allowable Defect Circular Defect 2 >0.020I None 0.015I to 0.020I Maximum of two allowed within a 2I circle Black Defect (opaque) >0.005I None Linear Defect (S t h ) (Scratches) None >0.004I width 0.003I to 0.004Iwide Max length 0.500I Min separation 0.250I 0.0021I to 0.0030Iwide Max length 1.000I Min separation 0.150I 0.0010I to 0.0020Iwide Max length 1.500I Min separation 0.
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Incoming Inspection H The ramp just above the blue ramp is green. It should vary smoothly from black on the left side of the screen to bright green on the right side of the screen. For each of these ramps it is normal to have some discrete steps in the brightness. The width of these steps should not exceed 0.1 inches. Some very fine lines may be visible in the ramps. This is normal. 3. Record Pass or Fail in the test record for the LCD Color Palette test. Advanced Diagnostics. 4.
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Incoming Inspection Fan Test You should be able to hear the fans and feel air coming out the back of the instrument. At low temperatures the fans will turn slowly and be very quiet. Record Pass or Fail for Fan Test in the test record. SDI Input – Check Output Validity and Bit Integrity (Option SDI only) 1. Connect an SDI 10-bit shallow-ramp signal to the SDI A input. Use the following signal type: H 1080i 59.94 10-bit shallow ramp matrix from HDVG1 2.
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Incoming Inspection 15. If desired, move the input to input B, press the VIDEO IN button, and then touch the Digital Input B soft key. Repeat steps 6 through 14. 16. Record Pass or Fail for SDI Bit Integrity in the test record. 17. Disconnect the WFM. Analog Audio Input (Option AD, DD, and DDE only) 1. Set the instrument to the factory presets (see page 2--13). 2. Set the analog audio generator to output a 1 kHz, 18 dBu sine wave. 3. Set the instrument for the audio Analog A input: a.
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Incoming Inspection 5. While still in the Audio Settings submenu, set the Analog Output Bar Map so that Bars 1,2 are the source for all of the Analog Outputs: a. Touch the IO and Bar Config soft key. b. In the Select Audio I/O Type to configure area, make sure that the Analog A soft key is selected. c. Touch the Audio Output Mapping soft key. d. Touch the Map Analog Outputs soft key if it isn’t already selected. e. Touch the Bars 1,2 soft key in the Audio Source section. f.
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Incoming Inspection 15. Connect the second analog output pair on the breakout cable to the second line A input pair. 16. Verify on the level meter bars that the second set of bars is within 1 dB of the first set of bars. 17. Connect the forth analog output pair on the breakout cable to the second line A input pair. 18. Verify on the level meter bars, that the second set of bars is within 1 dB of the first set of bars. 19.
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Incoming Inspection 11. Repeat steps 9 and 10 for AES B 3-4, AES B 5-6, and AES B 7-8. 12. Record Pass or Fail for AES B in the test record. NOTE. The following test is for instruments equipped with Option SDI only. If SDI is not installed, skip steps 13 through 22. 13. Set the SDI generator for the following signal type: H 1080i 59.94 color bars from HDVG1 14. Set the SDI generator for embedded audio in 2 groups starting with group 1, and then access and set its audio channels: a.
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Incoming Inspection NOTE. If level-meter bars indicate that audio is not present, set the TG2000 module number of groups to 2 even if it appears to be set already. 19. Record Pass or Fail for Embedded to Display in the test record. 20. Bring up the phase display and set the phase pair to 1 & 2: a. Press the PHASE button. b. Touch the Pair soft key. c. Touch the Bars 1 & 2 soft key. 21. Go through the other phase pairs (3 & 4, 5 & 6, 7 & 8) and verify that the phase display changes in each one. 22.
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Incoming Inspection Dolby Decode (Options DD & DDE only) 1. Set the instrument to the factory presets (see page 2--13). 2. Set the Audio Input to AES A: a. Press the AUDIO IN button. b. Touch the AES A soft key. 3. Set the Dolby generator for a Dolby D output using the following steps: a. Press Gen to display the Gen Stream Sel message. b. Press Up/Down buttons to select a Dolby D stream as indicated by the leading “D” in the bit stream name. c. Press Enter to activate the selected signal. 4.
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Incoming Inspection cable has seven wires from the Remote connector, with two of them also connected to an RCA connector. Pin 2 of the Remote connector is connected to the center pin of the RCA connector, and pin 3 is connected to the shield of the RCA connector.
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Incoming Inspection Ground Closure Remote 1. Connect an SDI color bars signal to the SDI A input. Use the following signal type: H 1080i 59.94 color bars from HDVG1 2. You will need a custom cable for this step (see Figure 2--1 on page 2--24). NOTE. This is the same cable used to check LTC functionality in Figure 2--1. a. Solder wires to pins 1, 2, 5, 6, 7, 8, and 9 of a male db9 connector, and strip the insulation back approximately 1/4 inch on each of the wires. b.
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Incoming Inspection 8. Repeat steps 5 and 6 to create a preset with Bars in tile 3 and Status in tiles 1, 2, and 4. Save as Preset A3. 9. Repeat steps 5 and 6 to create a preset with Bars in tile 4 and Status in tiles 1, 2, and 3. Save as Preset A4. 10. Set the instrument to the factory presets (see page 2--13). NOTE. Ground only one preset pin at a time. 11. Short pins 1 and 6 together on the remote cable. 12. Preset A1 should be restored so that Bars is displayed in tile 1.
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Incoming Inspection e. Touch the Save and Close soft key. 23. Remove the LTC signal from the RCA connector on the custom cable on the rear panel to assert ground closure. 24. The voltmeter should now read a low voltage, below 0.5 V. 25. Record Pass or Fail for Ground Closure in the test record. Ethernet Test 1. Connect an Ethernet cable from the rear of the unit to a computer with a Web browser. NOTE. To connect directly to a computer, a cross-over ethernet cable is required.
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Incoming Inspection Channel Status Test 1. Set the instrument to the factory presets (see page 2--13). 2. Connect the digital generator output to the AES A1,2 input connector. 3. Set the digital audio generator to output a 1 kHz, --6 dBFS sine wave. 4. Set the input source to AES A: a. Press the AUDIO IN button. b. Touch the AES A soft key. 5. Make the AES Channel Status in tile--3 active and press the DISPLAY button to make it full screen. 6.
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Performance Verification Procedures This performance verification includes procedures that verify standard and option-equipped instruments. Required Equipment Table 2- 4: Required Test Equipment (General Performance) Test Equipment Requirements XGA Monitor Computer monitor capable of 1024 x 768 x 60 Hz scan rate NTSC Black SDI serial digital video test generator with embedded audio and composite signal p g source (O (Option i SDI) 1080i 59.
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Performance Verification Procedures Table 2- 4: Required Test Equipment (General Performance) (cont.
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Performance Verification Procedures Performance Test for All Instruments AES Sample Rate Range This test verifies that each AES input locks to an input signal. Performance Requirement. This test checks for operation. Values are guaranteed characteristics and are listed in the test record as pass / fail. 1. Set the instrument to the factory presets (see page 2--13). 2. Connect the digital audio generator unbalanced (UNBAL) output to the AES A 1--2 In BNC connector using a 75 Ω cable. 3.
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Performance Verification Procedures Performance Requirement. The AES output amplitude test verifies performance characteristics and is listed in the test record. 1. Set the instrument to the factory presets (see page 2--13). 2. Select the AES B output: a. Press the SETTINGS button. b. Touch the IO and Bar Config soft key. c. Touch the AES B soft key. d. If the AES B soft key says [Input] on the second line, touch the AES--B Input/AES--B Output soft key, to select Output. e. Touch the Exit Config soft key.
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Performance Verification Procedures 7. Connect the AES B 1--2 I/O output to the 75 Ω input of the test oscilloscope using a 75 Ω cable. Use a 75 Ω--to--50 Ω adapter on the input of the test oscilloscope if necessary. 8. Set the test oscilloscope to view the signal. The following oscilloscope settings normally provide a usable display. H Vertical Scale 200 mV/div H Horizontal Scale 100 ns/div H Horizontal Trigger Position 30% H Trigger Slope Rising edge H Trigger Level 0 mV 9.
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Performance Verification Procedures UPL Analyzer Settings UPV Analyzer Settings INSTRUMENT Min Freq Ref Imped Channel Ch1 Coupl Ch1 Input Ch1 Imped Ch1 Common Ch1 Range ANLG 22 kHz 10 Hz 100000 Ω 1 AC BAL 200 kΩ FLOAT AUTO INSTRUMENT ANLG 22 kHz Ref Imped Channel Ch1 Coupl Ch1 Input Ch1 Imped Ch1 Common Ch1 Range 100000 Ω 1 AC BAL 200 kΩ FLOAT AUTO START COND Delay AUTO 0.0000 s START COND Delay AUTO 0.
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Performance Verification Procedures 11. Check for 0.25 dBu ±1 dB RMS on the analog analyzer. Record the result in the test record. 12. Connect the XLR corresponding to the ‘Right’ channel to the analyzer balanced (BAL) analog input. 13. Check for 0.25 dBu ±1 dB RMS on the analog analyzer. Record the result in the test record. 14. Set the digital audio generator as follows: H Sample Frequency 48 kHz H Output Level --6 dBFS Audio Tone H Frequency 1 kHz 15. Repeat steps 10 through 13. 16.
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Performance Verification Procedures Additional Tests for Instruments Equipped with Options AD, DD, and DDE Analog Audio Level Meter Accuracy Over Frequency This test measures the Analog Input Level Meter Accuracy over the audio frequency range. Performance Requirement. This test verifies performance characteristics and is listed in the test record. 1. Set the instrument to the factory presets (see page 2--13). 2. Set the Audio Session tile to full screen: a.
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Performance Verification Procedures 13. Select the Analog B input: a. Press the AUDIO IN button. b. Touch the Analog B soft key. 14. Repeat steps 5 through 12 for the Input B XLR connectors on the audio breakout cable. If any of the Analog Inputs failed to meet the specification, (or even if they are off by more than a few tenths of a dB) an input adjustment can be performed. 15. To perform an analog input adjust, follow steps 16 through 20; otherwise skip to step 21. 16.
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Performance Verification Procedures Digital Input to Analog Output Gain Accuracy Over Frequency This test measures the Analog Output level meter accuracy over the audio frequency range, when using an AES or embedded input as the audio source. Performance Requirement. This test verifies performance characteristics and is listed in the test record. 1. Set the instrument to the factory presets (see page 2--13). 2. Set the generator to Digital. 3. Set the Audio Output Attenuation to 0 dB: a.
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Performance Verification Procedures UPL06 Analyzer Settings UPV Analyzer Settings INSTRUMENT Min Freq Ref Imped Channel Ch1 Coupl Ch1 Input Ch1 Imped Ch1 Common Ch1 Range ANLG 22 kHz 10 Hz 100000 Ω 1&2 AC BAL 200 kΩ FLOAT AUTO INSTRUMENT ANLG 22 kHz Ref Imped Channel Ch1 Coupl Ch1 Input Ch1 Imped Ch1 Common Ch1 Range 100000 Ω 1&2 AC BAL 200 kΩ FLOAT AUTO START COND Delay AUTO 0.0000 s START COND Delay AUTO 0.
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Performance Verification Procedures UPL Generator Settings INSTRUMENT Channel Unbal Out Cable Sim Sync To Sample Freq Sync Out Type Ref Out Data Audio Bits Unbal Vpp Bal Vpp Max Volt Ref Freq Ref Volt PROTOCOL Ch Stat. L Filename Ch Stat. R AUX GEN FUNCTION Frq Offset DC Offset Dither Equalizer SWEEP CTRL FREQUENCY VOLTAGE DIGITAL 2=1 AUDIO OUT OFF GEN CLK 48 kHz GEN CLK WORD CLK REF GEN ALL ZERO 24 1.0000 V 4.0000 V 1.0000 FS 1000.0 Hz 1.0000 FS STATIC FILE + CRC R&S_AES3.
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Performance Verification Procedures 14. Change the digital audio generator FREQUENCY to 19000 Hz. 15. Check for an indication of 18 dBu ±0.5 dB on the analog analyzer and record the result in the test record. 16. Repeat steps 8 through 15 for each of the other Output XLR connectors. 17. Disconnect the test setup. AMM768 Audio Multi-Channel Monitor Technical Reference Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.
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Performance Verification Procedures Additional Tests for Instruments Equipped with Option SDI HD SDI Input Level Low and High This test uses the serial output with adjustable level to verify that the instrument can accept serial signals of various amplitudes. 1. Set the instrument to the factory presets (see page 2--13). 2. Touch tile--3, and then press the PICTURE button to display the SDI picture. 3.
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Performance Verification Procedures CRC Detection Test This test ensures that the CRC detection circuitry is functional. 1. Set the instrument to the factory presets (see page 2--13). 2. Connect the TG2000 HDVG1 output to the TG2000 HDST1 input. 3. Connect the TG2000 HDST1 output to the instrument SDI A input. 4. Set the instrument to display a Video Session status screen: a. Touch within tile 4 to activate that tile. b. Press the SESSION button to display the status screen in tile 4. c.
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Performance Verification Procedures 10. Repeat the test using SDI B input on the instrument. 11. Record this level in the test record. HD SDI Loop-Through Isolation This test looks for crosstalk between the two SDI inputs. One input is driven by a signal straight from the generator; the second input is driven through the cable clone, which simulates a long cable. The two sources are set to different rates to allow transitions of the serial signal to hit all possible phases.
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Performance Verification Procedures 5. Set the HD Alg PixMon to RGB: a. Touch the Outputs soft key. b. Touch the HD Alg PixMon soft key. c. Touch the RGB soft key. 6. Connect the instrument PIXMON output to the VM5000, as described in the VM5000 manual or online help. 7. Start the VM5000 HD and SD application, and set the number of Averages to 4. 8. On the Format tab, select 1080i/60, RGB. 9. On the Measurement tab, select Multiburst and clear any other measurement selections. 10. Run the measurement.
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Performance Verification Procedures AmpY/G values AmpPb/B values AmpPr/R values Figure 2- 2: VM5000 HD frequency response display 11. Check that the Burst dB values in the AmpY/G, AmpPb/B, and AmpPr/R columns are between --0.92 dB (--10%) and +0.82 dB (+10%). 12. Record the measured value in the test record. SD SDI Input Equalization Range and EDH This test uses an SD cable clone to simulate a long cable. This verifies that the instrument can receive signals that have passed through long cables.
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Performance Verification Procedures 2. Connect the TG2000 DVG1 Normal output (not the Opt S1 output) to the SD Cable Clone input. Typically the Normal output is the top BNC on the DVG1 module. 3. Connect the SD Cable Clone output to the instrument SDI A input. 4. Set the instrument to display a Video Session status screen: a. Touch within tile 4 to activate that tile. b. Press the SESSION button. c. Touch the Video Session soft key, and then press the CLEAR button to remove the menu soft keys. 5.
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Performance Verification Procedures 19. Record this level in the test record. Analog Pixmon Gain and Offset This test uses an oscilloscope to check the active video gain and black (blanking) levels at the Pixmon output, for the YPbPr, RGB, and Composite modes. 1. Set the instrument to the factory presets (see page 2--13). 2. Connect the TG2000 DVG1 output to the instrument SDI A input. 3. Select a 525 270 MB/s 100% color bar signal from the TG2000 DVG1. 4.
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Performance Verification Procedures 13. Check that the Pb waveform is 700 mVp-p ±5%, from the blanking (black) level to the top of the waveform. 14. Record the measurement in the test record. 15. Check that the blanking (black) level is 0 mV ±50 mV. 16. Record the measurement in the test record. 17. Connect the Pr/R channel of the VGA to the TCA75 75 Ω BNC input to the test oscilloscope. 18. Check that the Pr waveform is 700 mVp-p ±5%, from the blanking (black) level to the top of the waveform. 19.
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Performance Verification Procedures 33. Connect the Pr/R channel of the VGA to the TCA75 75 Ω BNC input to the test oscilloscope. 34. Check that the R waveform is 700 mVp-p ±5%, from the blanking (black) level to the top of the waveform. 35. Record the measurement in the test record. 36. Check that the blanking (black) level is 0 mV ±50 mV. 37. Record the measurement in the test record. SD Serial Output Amplitude This test verifies that the Serial Output is within specifications. 1.
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Performance Verification Procedures Figure 2- 3: Trigger polarity positive 7. Change the oscilloscope trigger polarity to Neg. 8. Set the oscilloscope cursor 2 to the bottom of the displayed waveform. See Figure 2--4. 9. Record the amplitude (ΔV) in the test record. AMM768 Audio Multi-Channel Monitor Technical Reference Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.
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Performance Verification Procedures Figure 2- 4: Trigger polarity negative SD VITC Decoding Functionality Apply an SDI signal, that was converted from an NTSC signal, with VITC and verify the VITC is correctly decoded. 1. Set the instrument to the factory presets (see page 2--13). 2. Route the NTSC signal from the BG1 to the VITC encoder. 3. Connect the output of the VITC encoder to the NTSC to SDI converter. 4. Connect the SDI from the converter the SDI A input of the instrument. 5.
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Performance Verification Procedures This completes the Performance Verification procedures. AMM768 Audio Multi-Channel Monitor Technical Reference Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.
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Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.
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