Tektronix ECO8000 Series Service Manual Download

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ECO8000 Series

Automatic Changeover Unit

ZZZ

Service Manual

*P077088000*

077-0880-00

Summary of Contents for ECO8000 Series

Page 1: ...xx ECO8000 Series Automatic Changeover Unit ZZZ Service Manual P077088000 077 0880 00...

Page 2: ......

Page 3: ...ECO8000 Series Automatic Changeover Unit ZZZ Service Manual xx Register now Click the following link to protect your product www tektronix com register www tektronix com 077 0880 00...

Page 4: ...and pending Information in this publication supersedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tek...

Page 5: ...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 maintenance and...

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Page 7: ...iption 1 1 Operation information 1 2 Power connection 1 2 Overview of instrument operation 1 3 Web User Interface 1 4 Upgrades 1 5 Theory of operation Theory of operation 2 1 Instrument level 2 1 Main...

Page 8: ...Combiner board voltages 4 16 Check the Main board 3 3 V supply and that the PLD is programmed 4 18 Check the Processor board 4 19 Check a channel threshold level 4 19 Check an HREF Relay channel term...

Page 9: ...9 Installing channel cable example Slot 1 on the Main board to the channel 1 module 3 14 Figure 3 10 Disconnecting the Main board power cable from the Combiner board 3 16 Figure 3 11 Threading the pow...

Page 10: ...ble 4 2 Self test error codes 4 4 Table 4 3 Power on LED states for a Power Supply module 4 5 Table 4 4 Power off LED states for a Power Supply module 4 6 Table 5 1 Front panel assembly and Power Supp...

Page 11: ...accepted safety procedures in addition to the safety precautions specified in this manual The product is designed to be used by trained personnel only Only qualified personnel who are aware of the ha...

Page 12: ...sconnection if needed Observe all terminal ratings To avoid fire or shock hazard observe all ratings and markings on the product Do not operate without covers Do not operate this product with covers o...

Page 13: ...product Only qualified personnel should perform service procedures Read this Service safety summary and the General safety summary before performing any service procedures To avoid electric shock Do n...

Page 14: ...n the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a...

Page 15: ...resentative for information on where to return your instrument if it requires repair during the warranty period To prevent personal injury or damage to the ECO8000 Series consider the following before...

Page 16: ...you to perform To keep those instructions clear and consistent this manual uses the following conventions Names of front panel controls and menus appear in the same case initial capitals all uppercase...

Page 17: ...fications and performance verification ECO8000 Series Specifications and Performance Verification Technical Reference Tektronix part number 077 0876 00 Servicing the product ECO8000 Series Service Man...

Page 18: ...Preface xii ECO8000 Series Service Manual...

Page 19: ...Operating basics...

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Page 21: ...st Signal Generators TG8000 for more advanced post production facility timing applications ECO8000 Series models The ECO8000 Series consist of the following models ECO8000 This model provides up to ni...

Page 22: ...have only one power supply installed be sure to connect the power plug to the correct rear panel power connector Connect the power cable s Standard instruments are shipped with one Power Supply modul...

Page 23: ...when a carriage return symbol appears in the right bottom corner of a display this indicates that you can either press the ENTER button to access a submenu or that you need to press the ENTER button...

Page 24: ...in a supported Web browser to open the ECO8000 Web Interface Easy access and control The Web based interface allows quick access to most of the instrument settings and views In most cases it is easier...

Page 25: ...oduct at the Tektronix Web site www tektronix com downloads Be aware of the following upgrade considerations It is recommended that the instrument be out of service to perform the upgrade You must per...

Page 26: ...Operating basics 1 6 ECO8000 Series Service Manual...

Page 27: ...Theory of operation...

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Page 29: ...h Option DPW shown Channel Control system The Channel Control system monitors the signal level on each input and switches to the other sync source if a fault occurs This subsystem is implemented as a...

Page 30: ...ing a 20 minute watchdog timer in the Channel Control System will automatically cause a processor reboot If the watchdog timer causes a reboot the event is entered in the Event Log Redundant Power sys...

Page 31: ...Theory of operation Figure 2 2 ECO8000 Series high level block diagram ECO8000 Series Service Manual 2 3...

Page 32: ...D can be reprogrammed by the processor via a JTAG interface A separate JTAG interface is multiplexed to each Channel module so that the Processor can update the PLDs on those modules Voltage monitor A...

Page 33: ...sor has two status LEDs DS1 and DS2 DS1 is a heartbeat LED it blinks if the Processor is running the normal application If the blink rate is slower than 2 3 per socond that indicates excessive loading...

Page 34: ...of Channel modules have peak detectors that measure the low frequency energy of the primary and backup inputs to monitor the signal level This peak detector output is compared to a user defined thresh...

Page 35: ...y to the Processor board All of the display signals come from the Processor board Buttons The left hand buttons and LEDs Channel Control system are connected to the PLD on the Main board The connectio...

Page 36: ...ed The connector from the Power Module board to the Combiner board has the 12 V DC output and the 100 240 VAC input as well as I2C communication and fan drive signals The Power Module board passes the...

Page 37: ...chooses the best one There are two sets of 12 V storage capacitors One set of capacitors allows time for the system to switch supplies without any disruption of the 5 2 V output The second set of cap...

Page 38: ...Theory of operation 2 10 ECO8000 Series Service Manual...

Page 39: ...Maintenance...

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Page 41: ...d cleaning the instrument Remove and replace procedures Information and procedures for removing and replacing modules in the instrument Troubleshooting Information for isolating and troubleshooting fa...

Page 42: ...nimize handling of static sensitive circuit boards and components Transport and store static sensitive modules in their static protected containers or on a metal rail Label any package that contains s...

Page 43: ...from line voltage before performing any procedure that follows Exterior inspection Inspect the outside of the instrument for damage wear and missing parts using the following table as a guide Immedia...

Page 44: ...le 4 2 as a guide Defects found should be repaired immediately If any circuit board is repaired or replaced check to see if it is necessary to adjust the instrument See Table 3 2 on page 3 4 CAUTION T...

Page 45: ...n isopropyl alcohol 75 solution and rinse with warm deionized water A cotton tipped applicator is useful for cleaning in narrow spaces and on circuit boards STOP If after doing steps 1 and 2 a module...

Page 46: ...d equipment Most disassembly is done using a 2 Phillips P2 screwdriver tip Use a P2 tip whenever a procedure step instructs you to remove or install a screw unless a different size screwdriver is spec...

Page 47: ...ll with a consistent even motion with the minimum force required to move the instrument a Loosen the knob screws if present that attach the front of the instrument to the rack b Gently pull the instru...

Page 48: ...ar a correctly grounded antistatic wrist strap when disassembling or assembling the instrument 4 Use the screwdriver handle with a P2 driver bit to remove the instrument top cover reassembly torque 4...

Page 49: ...ng areas require attention while reassembling Installing the top cover Install the top cover screws in the following order install group one screws then group two screws then group three screws Do not...

Page 50: ...Processor board 1 Disconnect the narrow ribbon display cable from J1 of the Processor board 2 Remove the 4 screws on the Processor board reassembly torque 4 0 in lb 3 Lift the back edge of the Proces...

Page 51: ...is securing the two power cables from the rear panel line filters Figure 3 4 Removing the cable tie 2 Disconnect the black multi wire cables between the Main board and any channel modules Figure 3 5 R...

Page 52: ...hree power cables through the slots in the bracket Move the bracket so that it is out of the way of accessing the channel modules and is not sitting on any circuit boards 7 Use the appropriate tool se...

Page 53: ...Maintenance Figure 3 7 Removing the BNC nuts from a channel module Figure 3 8 Removing a channel module ECO8000 Series Service Manual 3 13...

Page 54: ...ll a cable from the Slot 1 connector on the Main board to the channel 1 module above the Main board Route the channel 1 cable below the white power cable Repeat for any other Channel modules Slot 2 ca...

Page 55: ...0 in lb Turn the chassis back over 2 Disconnect the black multi wire cables from the Main board 3 Remove the Processor board See page 3 10 Remove the Processor board 4 Disconnect the ribbon cable fro...

Page 56: ...6 mm nut driver 7 32 inch may also work to remove the four nuts securing the circuit board support bracket to the bottom of the chassis reassembly torque 4 0 in lb See Figure 3 6 9 Lift the board sup...

Page 57: ...f the disassembly procedure The following areas require attention while reassembling Main board power cable Be sure to connect the white power cable to the Main board before you install the Main board...

Page 58: ...sis Torque the nuts to 4 0 in lb Figure 3 12 Positioning the support bracket tabs with the circuit boards Secure the AC power lines Install a new cable tie to secure the two line filter power cables t...

Page 59: ...he front of the instrument on the Main board connectors and to the right where it plugs into the channel boards The key is near pin 60 on the cable so be sure to align the cable correctly on both ends...

Page 60: ...ith a very slight side to side rocking motion This connector is a snug fit so it will take a bit of effort to disconnect See Figure 3 10 4 Disconnect all four fiber optic light pipes from the light pi...

Page 61: ...1 to J10 Connect the AC filter cable 2 to J20 See Figure 3 3 Install light pipes Install the light pipe ends in the Combiner board Use the following illustrations to determine where to install each li...

Page 62: ...cable tie on the cable unless you are replacing one of the cables 5 Disconnect all four fiber optic light pipes from the Combiner board Use needle nose pliers to firmly hold a light pipe near the ligh...

Page 63: ...reassembly torque 4 0 in lb 9 Disconnect the flat cables from the Display and Front Panel boards 10 Remove the three screws from the front panel board and remove the front panel board reassembly torqu...

Page 64: ...pipe ends in the Combiner board Use needle nose pliers to hold the light pipe near the end and push it firmly into the connector on the board See page 3 21 Reassembly Route the light pipes under the t...

Page 65: ...available follow these directions a Obtain a carton of corrugated cardboard having inside dimensions six or more inches greater than the dimensions of the instrument Use a shipping carton that has a...

Page 66: ...Maintenance 3 26 ECO8000 Series Service Manual...

Page 67: ...Troubleshooting...

Page 68: ......

Page 69: ...a known instrument problem run only the diagnostic portion of the performance verification procedures to gain information about the subsystems Try to determine which of the three main subsystems are a...

Page 70: ...d PLD is programmed See page 4 18 Display is running but the keyboards are not running Check the 26 pin ribbon cable to the Front Panel board See page 4 15 Check that the Main board 3 3 V supply is OK...

Page 71: ...nel is enabled See page 4 21 Execute the Initialize Hardware function See page 4 23 Status screen indicates a Power Supply module has a temperature weighted hour warning This status indicates that the...

Page 72: ...display the event code This display will not be erased until instrument power is cycled A similar message which includes the event code is entered in the Event Log If the user configurable event repor...

Page 73: ...s a problem the system will switch to the other supply If either supply can support the instrument load even if it has a non fatal problem the system will choose the best supply and attempt to continu...

Page 74: ...lash red Off AC present supply not installed Flash green Off AC missing supply not installed Off Off AC present DC present on board converter failure Flash green Flash green Troubleshooting power supp...

Page 75: ...not installed the PS2 temperature readout is not installed 5 Check the Primary and Backup signal levels versus the threshold settings a Press the down arrow to select CHx PRI vs THRES NOTE The signal...

Page 76: ...s present the levels will be near 0 V If a signal is applied then a detected level will be present The gain of the detector is about 0 7 so a 5 V input will result in a detected peak level of about 3...

Page 77: ...minal for an NTSC threshold Other signals have different thresholds as a function of their level and bandwidth It is very useful to compare levels from different channels that have the same threshold...

Page 78: ...module 2 has HREF Relay channels then modules 3 4 if installed are also HREF Relay channels g Press the down arrow to select MODULE 3 If the module is not installed the message No module present is di...

Page 79: ...optional channel modules installed Modules 2 3 are optional modules and can be any combination of REF ELSW and HREF Relay channels Each channel module has three channels per module The ECO8020 can hav...

Page 80: ...ut is indicated by CH1 P PK and the Backup input is indicated by CH1 B PK If no signal is present the readout will be near 0 V If a signal is applied then a detected level will be present For an NTSC...

Page 81: ...age The Temperature Weighted Hours and 12 V Output Voltage readouts should read OK NOTE If a Power Supply module is installed but does not have an AC input the 12 V readout will be between 1 and 2 V a...

Page 82: ...he readout will show PS1 or PS2 depending on which supply is configured as the primary supply The readout displays the status of the most recent load test of the backup power supply The instrument aut...

Page 83: ...rd On the Display board the pin 1 red wire should be on the bottom 26 pin Front Panel board ribbon cable The 26 pin ribbon cable from the Main board to the Front Panel board carries 3 3 V and 5 V powe...

Page 84: ...Leave the instrument powered on and remove the instrument top cover See Figure 3 2 on page 3 8 CAUTION Line voltages of 100 to 240 VAC are present on the Combiner board Although most of the line volt...

Page 85: ...ument If the 5 2 V is bad replace the Combiner board 6 Check the 3 3 V supply on J111 pin 8 This is actually the I2C SDA line but should be pulled up to 3 3 V If not then check the 3 3 V supply on the...

Page 86: ...input and must be present for the PLD to work 2 Locate S1 on the Main board it is labeled MFG_MODE 3 Press S1 and some of the channel relays should switch Also a small red LED should come on just beh...

Page 87: ...and is running normally If DS1 flashes slowly or does not follow the normal power on pattern replace the Processor board 5 The instrument display should show messages during the boot up process If the...

Page 88: ...r the channel you are testing Use a signal that is supported by the channel such as NTSC SDI or AES 2 If necessary set the instrument to Manual mode a Press and hold the PANEL ENABLE button to enable...

Page 89: ...el is enabled Each Channel can be enable or disabled and it can be selected to trigger a source switch or not See the Operators manual for more information 1 If necessary set the instrument to Manual...

Page 90: ...ons are enabled b Press the MANUAL MODE button to put the ECO8000 Series in Manual mode 2 Press BACK as necessary to access the top level menu 3 Press the up or down arrow to select the Channel menu T...

Page 91: ...LTC channels if Option LTC is installed Arms all of the installed BNC channels as switchover triggers but not the LTC channels if Option LTC is installed Sets all thresholds to the default values NTS...

Page 92: ...Troubleshooting 4 24 ECO8000 Series Service Manual...

Page 93: ...Replaceable Parts...

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Page 95: ...If you order a part that has been replaced with a different or improved part your local Tektronix field office or representative will contact you concerning any change in part number Module servicing...

Page 96: ...er 2 Tektronix part number Use this part number when ordering replacement parts from Tektronix 3 and 4 Serial number Column three indicates the serial number at which the part was first effective Colu...

Page 97: ...Replaceable parts Figure 5 1 Front panel assembly and Power Supply module ECO8000 Series Service Manual 5 3...

Page 98: ...PL CROSS REC W PLAIN SPLIT LOCK WASHER 10 211 1276 xx 2 SCREW MACHINE 6 32 X 0 375 PNH STL ZNPL T 15 TORX DR 11 260 2976 xx 1 SWITCH KEYPAD ELASTOMERIC MAT SET 12 119 8090 xx 1 DISPLAY MODULE LCD 20 C...

Page 99: ...Replaceable parts Figure 5 2 Main chassis and ECO8000 rear panel ECO8000 Series Service Manual 5 5...

Page 100: ...SH ECO8000 quantity depends on product options nine for each installed channel module 17 220 0497 xx 9 27 NUT PLAIN HEX 0 5 28 X 0 562 HEX BRS NI NICKEL PLATE ECO8000 quantity depends on product optio...

Page 101: ...000 rear panel replaceable parts list cont Fig index number Tektronix part number Qty Name description 30 878 0858 xx 1 CIRCUIT BOARD ASSY ECO POWER COMBINER 31 337 4615 00 1 SHIELD COMBINER BOARD SAF...

Page 102: ...lled channel module 4 134 0277 xx 0 45 PLUG HOLE COVER BUTTON PLUG 0 312 HEAD DIA X 0 312 THK ACCOM 0 250 DIA D HOLE ECO8020 quantity depends on product options 15 for each uninstalled channel module...

Page 103: ...Index...

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Page 105: ...4 interior 3 4 Instrument operation 1 2 M Main board operation 2 4 removal 3 15 Maintenance 3 1 O Operating information 1 2 Option DPW 1 2 P Power connection 1 2 Power supply LED states 4 5 module ope...

Page 106: ...Index Index 2 ECO8000 Series Service Manual...

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