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Replaceable Mechanical Parts

9- 2

ECO422D SD/HD Changeover Unit Instruction Manual

Column Descriptions

Items in this section are referenced by figure and index numbers to the illustra-
tions.

Indicates part number to be used when ordering replacement part from
Tektronix.

Column three (3) indicates the serial number at which the part was first used.
Column four (4) indicates the serial number at which the part was removed. No
serial number entered indicates part is good for all serial numbers.

This indicates the quantity of mechanical parts used.

An item name is separated from the description by a colon (:). Because of space
limitations, an item name may sometimes appear as incomplete. Use the U.S.
Federal Catalog handbook H6-1 for further item name identification.

Following is an example of the indentation system used to indicate relationship.

1

2

3

4

5

Name & Description

Assembly and/or Component
Mounting parts for Assembly and/or Component

*MOUNTING PARTS*/*END MOUNTING PARTS*

Detail Part of Assembly and/or Component
Mounting parts for Detail Part

*MOUNTING PARTS*/*END MOUNTING PARTS*

Parts of Detail Part
Mounting parts for Parts of Detail Part

*MOUNTING PARTS*/*END MOUNTING

PARTS*

Mounting Parts always appear in the same indentation as the Item it mounts,
while the detail parts are indented to the right. Indented items are part of and
included with, the next higher indentation.

Mounting parts must be purchased

separately, unless otherwise specified.

Figure & Index No.

(Column 1)

Tektronix Part No.

(Column 2)

Serial No.

(Column 3 and 4)

Qty (Column 5)

Name and Description

(Column 6)

«
...
116
117
118
119
120
...
»

Содержание ECO422D

Страница 1: ...and above 071 1792 01 Warning The servicing instructions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to all sa...

Страница 2: ...nd 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 Tektr...

Страница 3: ...duties taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintena...

Страница 4: ......

Страница 5: ...2 1 Connectors 2 4 Operating Basics 2 8 State Machine Description 2 8 Exterior Cleaning 2 12 Specifications Introduction 3 1 Theory of Operation Logic Conventions 4 1 ECO422D Block Level Description 4...

Страница 6: ...Instructions 7 8 Repackaging Instructions 7 10 Replaceable Electrical Parts Replaceable Mechanical Parts Parts Ordering Information 9 1 Using the Replaceable Mechanical Parts List 9 1 Column Descripti...

Страница 7: ...2 2 Figure 2 3 Rear panel of the ECO422D 2 5 Figure 2 4 Remote connector pins 2 6 Figure 2 5 Wiring required to conform with SMPTE fault reporting 2 7 Figure 2 6 Setup for adjusting R265 the user lev...

Страница 8: ...Contents iv ECO422D SD HD Changeover Unit Instruction Manual Figure 7 1 Remove these screws and posts before attempting to remove the Connector board 7 8 Figure 7 2 Slide the Connector board out this...

Страница 9: ...of channel configuration switches S1 S11 2 3 Table 2 2 Remote connector pin out 2 6 Table 2 3 Truth table for ECO422D switching 2 9 Table 3 1 General characteristics 3 2 Table 3 2 Signal loss detecti...

Страница 10: ...Table of Contents vi ECO422D SD HD Changeover Unit Instruction Manual...

Страница 11: ...s to the input or output terminals of the product ensure that the product is properly grounded Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings on the produc...

Страница 12: ...ld 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 WARNIN...

Страница 13: ...his 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 fr...

Страница 14: ...Service Safety Summary x ECO422D SD HD Changeover Unit Instruction Manual...

Страница 15: ...ourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycled appropriately The symbol shown to the left indicates that this product co...

Страница 16: ...Environmental Considerations xii ECO422D SD HD Changeover Unit Instruction Manual...

Страница 17: ...cs and performance require ments for the ECO422D H Theory of Operation explains how the ECO422D operates H Performance Verification describes how to verify the functional performance of the ECO422D H...

Страница 18: ...Preface xiv ECO422D SD HD Changeover Unit Instruction Manual...

Страница 19: ...Getting Started...

Страница 20: ......

Страница 21: ...al relay therefore the ECO422D detects an output reduction as an input reduction This does not apply to the three Option ELSW channels which are buffered To avoid this problem work on an output only w...

Страница 22: ...n There are also two user defined checking thresholds available Separate indicators on the front panel display faults for both the primary and backup generator These indicators remain on until cleared...

Страница 23: ...ng between 15 and 28 inches The ECO422D requires six inches of clearance between the instrument rear panel and any rear cabinet panel for connector space and to provide adequate air circulation Mounti...

Страница 24: ...tarted 1 4 ECO422D SD HD Changeover Unit Instruction Manual Bar nut Rear rack rail PNH screws Figure 1 4 Deep rackmount Rear rack rail PNH screws Bar nut Flush with rear rack rail Figure 1 5 Shallow r...

Страница 25: ...ing hardware Installing the Instrument Refer to Figure 1 7 to install the instrument into the rack 1 Pull the slide out track section to the fully extended position 2 Insert the instrument chassis sec...

Страница 26: ...several times Once the instrument is in place within the rack tighten the knurled retaining screw to fasten it securely into the rack Rack Slide Maintenance The slide out tracks do not require lubric...

Страница 27: ...lone or rackmount use you are ready to connect the power and signal cables to the instrument Figure 1 2 shows the instrument rear panel To supply power to the ECO422D connect the power cord to the pow...

Страница 28: ...tput cable from the ECO422D before working on the cable and verify proper termination before reconnecting the cable to the ECO422D There are many different ways to configure the ECO422D The following...

Страница 29: ...everal different types of signal checking already available but you may need to feed a different signal through the ECO422D This section gives one example active analog video Active Analog Video The E...

Страница 30: ...h There is also a Mode switch switch S14 8 Set it for either Normal or Override operation If set for Normal operation it will not allow you to manually switch to a bad signal unless both signals are b...

Страница 31: ...r Configuration and Mode switches Table 1 1 Default configuration of switches DIP Switch Input signal All open Disabled signal not checked 1 NTSC black burst 2 PAL black burst 3 NTSC serial digital vi...

Страница 32: ...ble 1 2 Channel configuration switch log S1 S11 Output Switch Setting see above Attenuation set with Sx 8 On Off1 Type of signal attached 1 S1 NA X 2 S2 NA X 3 S3 NA X 4 S4 NA X 5 S5 NA X 6 S6 NA X 7...

Страница 33: ...how they interact see Operating Basics Section 2 To check out the entire instrument repeat these procedures for each of the eleven sets of inputs and outputs Power down all instruments Connect the EC...

Страница 34: ...ve the cable between the BG7 and the Primary 1 input of the ECO422D Note the signal automatically switches to the Backup input and the Primary fault indicator lights Reconnect the Primary signal sourc...

Страница 35: ...between the BG7 and the Backup 1 input of the ECO422D Note that the output signal has changed to the Primary input signal and the Backup fault indicator LED lights Reconnect the Backup signal Replace...

Страница 36: ...Getting Started 1 16 ECO422D SD HD Changeover Unit Instruction Manual...

Страница 37: ...Operating Basics...

Страница 38: ......

Страница 39: ...elay Switch on Fault is the default setting During power up the DISABLED LED slowly blinks to indicate disabled front panel and error detection during the power up delay Fault Indicator Reset Primary...

Страница 40: ...ne switch from each DIP package should be enabled closed for each channel except for attenuation DIP 8 on switches S7 through S11 which is allowed to be combined with either of the user defined levels...

Страница 41: ...annel configuration switches S1 S11 Output Switch Setting see above Attenuation set with Sx 8 On Off Type of signal attached 1 S1 1 or 2 NA X Black Burst 2 S2 1 or 2 NA X Black Burst 3 S3 1 or 2 NA X...

Страница 42: ...and the fault indicator is reset In the Override mode the user can manually switch to a bad signal with Auto mode disabled Reference Level Adjustments R266 and R265 These two adjustments set the refe...

Страница 43: ...100 to 240 VAC 10 WARNING To prevent personal injury do not connect power to the ECO422D if the top cover is not installed Dangerous potentials are present on the Power Supply board There are 33 vide...

Страница 44: ...ne pin tied to ground see Figure 2 4 5 4 3 2 1 6 7 8 9 Figure 2 4 Remote connector pins The pin out is shown in Table 2 2 Table 2 2 Remote connector pin out Pin Signal function 1 Auto switching input...

Страница 45: ...ault has been corrected Fault Reporting and It is normally open indicating that everything is good It will close in the cases of loss of power to the ECO422D or one or more input signals are bad The f...

Страница 46: ...user configuration switch It can either be N Normal or O Override In Normal mode the ECO422D will not switch to a bad signal In Override operation the user is allowed to manually switch to a bad signa...

Страница 47: ...vailable so that the user can trigger on signal levels other than the seven predefined levels In order to set the Threshold Levels you need H Two good versions of the type of signal you want to check...

Страница 48: ...Set all of the User Configuration switches to open except for S1 7 for channel 1 3 Set all S14 switches closed 4 Set the ECO422D to Primary Sync Source 5 Set the ECO422D Auto Switching to Switch on Fa...

Страница 49: ...in the other direction You are trying to get the minimum signal level to pass through before reaching the switching threshold 10 Set the step attenuator to 3 dB of attenuation or whatever attenuation...

Страница 50: ...acts as an insulating blanket preventing proper cooling and possibly causing overheating and component breakdown Under high humidity conditions accumulated dust can also provide an electrical conduct...

Страница 51: ...Specifications...

Страница 52: ......

Страница 53: ...on apply over an ambient temperature range of 0 _C to 40 _C The rated accura cies are valid when the instrument is calibrated at an ambient temperature range of 20 _C to 30 _C after a warm up time of...

Страница 54: ...360 MHz 15 dB typical Insertion Loss Channels 1 6 0 2 dB DC to 10 MHz 10 MHz to 1 5 GHz1 Channels 4 6 Opt ELSW Only 0 3 dB DC to 10 MHz Channels 7 11 0 2 dB DC to 10 MHz 0 5 dB 10 to 200 MHz 1 0 dB 2...

Страница 55: ...6 Opt ELSW Only Within 100 ns measured with NTSC PAL Black Burst signal Power up delay 4 minutes to allow source generator signals to stabilize With the addition of S13 the delay is adjustable from ze...

Страница 56: ...Specifications 3 4 ECO422D SD HD Changeover Unit Instruction Manual Figure 3 2 Typical eye pattern of Channels 1 6 HD output Channels 1 3 with Opt ELSW...

Страница 57: ...al Digital Video NTSC Composite 450 to 630 mV 540 mV between 2 and 5 dB down 10 11 Serial Digital Video 270 Mb s 450 to 630 mV 540 mV between 2 and 5 dB down 7 8 Serial Digital Video 1 485 Gb s 450 to...

Страница 58: ...ical 40 VA maximum Supply Accuracy 5 V 5 V 5 V 200 mV 5 V 200 mV Hum 5 V 5 V Typical values 10 mV 10 mV Noise 5 V 5 V 5 MHz measurement band width 50 mV 50 mV Crest Factor 1 35 Fuse Required 1 ampere...

Страница 59: ...00014 g2 Hz APSD 0 31 overall GRMS 10 minutes axis From 5 to 100 Hz 0 020 g2 Hz APSD From 100 to 200 Hz 3 dB Octave Slope From 200 to 350 Hz 0 010 g2 Hz APSD From 350 to 500 Hz 3 dB Octave Slope At 50...

Страница 60: ...Power line surge immunity IEC 61000 4 6 Conducted RF Immunity IEC 61000 4 11 Voltage dips and interruptions immunity EN 55103 2 Annex A Radiated magnetic field immunity EN 55103 2 Annex B Balanced por...

Страница 61: ...ectrical and electronic test measuring controlling and related equipment IEC61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use Safety Certification Co...

Страница 62: ...y are rated Pollution Degree 1 No pollution or only dry nonconductive pollution occurs Products in this category are generally encapsulated hermetically sealed or located in clean rooms Pollution Degr...

Страница 63: ...re for use only by qualified personnel To avoid injury do not perform any servicing other than that stated in the operating instructions unless you are qualified to do so Refer to all safety summaries...

Страница 64: ......

Страница 65: ...Theory of Operation...

Страница 66: ......

Страница 67: ...ic Conventions Signal names are all capital letters For example SIGNAL An active low signal normally denoted by an overscore is a signal name enclosed in parentheses For example SIGNAL The aside of a...

Страница 68: ...d are applied directly to a Relay where one signal is switched through to the rear panel Output and the other terminates in 75 The rest of the circuitry determines which signal goes to the Output The...

Страница 69: ...imary check Primary Backup Relay Output Backup check Primary check DC Other primary channels Other backup channels Backup fault indicator Example of option ELSW channels 4 6 if installed Example of st...

Страница 70: ...With Option ELSW the Primary and Backup inputs are terminated in 75 and the Outputs provide a 75 source for the signal path In addition there is a mechanical relay that switches the Primary signal di...

Страница 71: ...Performance Verification...

Страница 72: ......

Страница 73: ...een chosen to minimize changes in equip ment setups Performance parameters may be checked in any order Calibration Data Report The Calibration Data Report that follows can be used to document instrume...

Страница 74: ...11 NTSC Serial Digital Composite Switch Backup switch at 2 dB down switch at 5 dB down 13 Serial Digital Audio Switch Primary switch at 2 dB down switch at 4 dB down 14 Serial Digital Audio Switch Ba...

Страница 75: ...wn 8 Serial Digital 270 Mb s Switch Backup switch at 2 dB down switch at 5 dB down 10 NTSC Serial Digital Composite Switch Primary switch at 2 dB down switch at 5 dB down 11 NTSC Serial Digital Compos...

Страница 76: ...n 8 7 Serial Digital 270 Mb s Switch Backup switch at 2 dB down switch at 5 dB down 10 7 NTSC Serial Digital Composite Switch Primary switch at 2 dB down switch at 5 dB down 11 7 NTSC Serial Digital C...

Страница 77: ...itch Backup switch at 2 dB down switch at 5 dB down 10 NTSC Serial Digital Composite Switch Primary switch at 2 dB down switch at 5 dB down 11 NTSC Serial Digital Composite Switch Backup switch at 2 d...

Страница 78: ...2 NTSC Black Burst Switch Primary switch at 2 dB down switch at 4 dB down 4 NTSC Black Burst Switch Backup switch at 2 dB down switch at 4 dB down 3 PAL Black Burst Switch Primary switch at 2 dB down...

Страница 79: ...K Composite Signal Set Must be able to output serial digital composite video with optional Black output HDVG7 Opt BK 1 485 Gb s Signal Set with optional Black output BG7 Analog Black generator with fo...

Страница 80: ...here are no error shown on the front panel 2 NTSC Black Burst Check for Channel 1 Primary Switch between 2 and 4 dB down from nominal Connect the equipment as shown in Figure 5 1 Power down all equipm...

Страница 81: ...ion 0 5 dB at a time to the Primary input signal until the signal source switches to the Backup Press the Reset button on the front panel and try to return the signal source to Primary CHECK that the...

Страница 82: ...me to the Primary input signal until the signal source switches to the Backup Press the Reset button on the front panel and try to return the signal source to Primary CHECK that the Primary signal sti...

Страница 83: ...ackup signal in error after the reset continue adding attenuation until the Backup signal switches to Primary again CHECK that the ECO switches between 2 and 4 dB down 5 PAL Black Burst Check for Chan...

Страница 84: ...cally switches back to Primary If the ECO422D does not continue to show the Backup signal in error after the reset continue adding attenuation until the Backup signal switches to Primary again CHECK t...

Страница 85: ...all the DIP switches on S1 through S11 to open Set the Channel Configuration switch to Serial Digital Video Component for Channel 1 set S1 4 to closed S1 1 through S1 3 open and S1 5 through S1 8 ope...

Страница 86: ...r all channels set all the DIP switches on S1 through S11 to open Set the Channel Configuration switch to Serial Digital Video Component for Channel 1 set S1 4 to closed S1 1 through S1 3 open and S1...

Страница 87: ...l No Switch No 2 S2 3 S3 4 S4 5 S5 6 S6 7 S7 8 S8 9 S9 10 S10 11 S11 10 NTSC Serial Digital Composite Check for Channel 1 Primary Switch between 2 and 5 dB down from nominal Connect the equipment as s...

Страница 88: ...reset continue adding attenuation until the Primary signal switches to Backup again CHECK that the ECO switches between 2 and 5 dB down 11 NTSC Serial Digital Composite Check for Channel 1 Backup Swi...

Страница 89: ...al in error after the reset continue adding attenuation until the Backup signal switches to Primary again CHECK that the ECO switches between 2 and 5 dB down 12 Check Serial Digital Video Composite fo...

Страница 90: ...he DIP switches on S1 through S11 to open Set the Channel Configuration switch to Serial Digital Audio for Channel 1 set S1 5 to closed S1 1 through S1 4 open and S1 6 through S1 8 open Set the step a...

Страница 91: ...P switches on S1 through S11 to open Set the Channel Configuration switch to Serial Digital Audio for Channel 1 set S1 5 to closed S1 1 through S1 4 open and S1 6 through S1 8 open Set the step attenu...

Страница 92: ...2 S2 3 S3 4 S4 5 S5 6 S6 7 S7 8 S8 9 S9 10 S10 11 S11 16 HD Serial Digital Component Check for Channel 1 Primary Switch between 2 and 5 dB down from nominal Connect the equipment as shown in Figure 5...

Страница 93: ...again CHECK that the ECO switches between 2 and 5 dB down 17 HD Serial Digital Component Check for Channel 1 Backup Switch between 2 and 5 dB down from nominal Connect the equipment as shown in Figur...

Страница 94: ...mary again CHECK that the ECO switches between 2 and 5 dB down 18 HD Serial Digital Component Check for Channels 2 through 11 Switch between 2 and 5 dB down from nominal Repeat the previous two proced...

Страница 95: ...Adjustment Procedure...

Страница 96: ......

Страница 97: ...the two levels available from User Configuration switches SX 6 R266 and SX 7 R265 They are available so that the user can check the levels of signals other than the five predefined levels The procedu...

Страница 98: ...Adjustment Procedure 6 2 ECO422D SD HD Changeover Unit Instruction Manual...

Страница 99: ...Maintenance...

Страница 100: ......

Страница 101: ...which will be the most time efficient and cost effective Tektronix maintains service centers around the world to provide quick turn around repair and recalibration services When this service is used e...

Страница 102: ...n benzene toluene xylene acetone or similar solvents Clean the exterior surfaces of the instrument with a dry lint free cloth or a soft bristle brush If dirt remains use a cloth or swab dampened with...

Страница 103: ...itive 100 to 500 V EL 74F 74ALS and 155 P N parts 200 to 500 V Schottky Signal Diodes 250 V Schottky TTL 500 V High frequency Bipolar Transistors and ICs 400 to 600 V JFETs 600 to 800 V Low frequency...

Страница 104: ...tion The Performance Verification and Adjustment Procedures are included in this manual Corrective Maintenance The following procedure is designed to assist in isolating problems which in turn expedit...

Страница 105: ...ment The inadvertent movement of leads or a probe could cause a short circuit or transient voltages capable of destroying components Determine the nature of the problem Attempt to make the determinat...

Страница 106: ...e customers NOTE When considering which service offerings best suit the current need remember that Tektronix provides a limited parts and service warranty for all its products No customer repairs shou...

Страница 107: ...Tektronix instruments are sometimes made to accommodate improved components as they become available and to improve circuit performance Therefore it is important to include the following information w...

Страница 108: ...op row of BNCs Then remove the two screws from the posts see Figure 7 1 Next unscrew the posts from the Main board and remove them see Figure 7 1 Finally keeping the board level slide the board toward...

Страница 109: ...ake sure BNCs clear rear panel Remove board this way Make sure BNCs clear clips Figure 7 2 Slide the Connector board out this way CAUTION Use extreme care when sliding any of the boards to clear the r...

Страница 110: ...ginal packaging is not available or is unfit for use repackage the instrument as follows 1 Obtain a corrugated cardboard carton whose inside dimensions are at least six inches greater than the dimensi...

Страница 111: ...Replaceable Electrical Parts...

Страница 112: ......

Страница 113: ...8 1 ECO422D SD HD Changeover Unit Instruction Manual Replaceable Electrical Parts Refer to the Mechanical Parts List chapter for a complete listing and description of replaceable parts for the ECO422D...

Страница 114: ...Replaceable Electrical Parts 8 2 ECO422D SD HD Changeover Unit Instruction Manual...

Страница 115: ...Replaceable Mechanical Parts...

Страница 116: ......

Страница 117: ...n your order H Part number H Instrument type or model number H Instrument serial number H Instrument modification number if applicable If a part you have ordered has been replaced with a new or improv...

Страница 118: ...e the U S Federal Catalog handbook H6 1 for further item name identification Following is an example of the indentation system used to indicate relationship 1 2 3 4 5 Name Description Assembly and or...

Страница 119: ...MOUNTING PARTS 14 211 0324 00 10 SCR ASSEM WSHR 4 40 X 0 188 PNH SST PASS T 9 TORX DR MACHINE END MOUNTING PARTS 15 671 3241 01 1 A1 FRONT PANEL CKT BD ASSY 16 119 4112 00 1 A4 POWER SUPPLY SWITCHING...

Страница 120: ...1000V 8 01 GRAY W BLK BRM STRIPES 0 25 STRIP BOTH 200 0237 04 1 COVER FUHLR PLASTIC 200 2264 00 1 CAP FUSEHOLDER 3AG FUSES 204 0832 00 1 BODY FUSEHOLDER 3AG 5 X 20MM FUSES 220 0187 00 1 NUT HEX 4 40...

Страница 121: ...0216 00 1 CABLE ASSY PWR 3 18 AWG 2 5M L BLACK STANDARD ONLY OPTIONAL ACCESSORIES 161 0215 00 1 CABLE ASSY PWR 3 0 75MU 2 5MM L GREY EUROPEAN OPTION A1 ONLY 161 0066 10 1 CA ASSY PWR 3 0 1MM SQ 250V 1...

Страница 122: ...Replaceable Mechanical Parts 9 6 ECO422D SD HD Changeover Unit Instruction Manual...

Страница 123: ...ECO422D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 A1 FIG 1 EXPLODED VIEW A2 A3 A4 36 37 38...

Страница 124: ......

Страница 125: ...Appendices...

Страница 126: ......

Страница 127: ...on ELSW provides electronic switching on channels four five and six instead of the mechanical relay switching used in the standard instrument This enhancement provides faster glitch free switching for...

Страница 128: ...Appendix A Options A 2 ECO422D SD HD Changeover Unit Instruction Manual...

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