Tektronix ECO8000 Series User manual

xx
ECO8000 Series
Automatic Changeover Unit
ZZZ
Service Manual
*P077088000*
077-0880-00

ECO8000 Series
Automatic Changeover Unit
ZZZ
Service Manual
xx
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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
supersedes that in all previously published material. Specifications and price change privileges reserved.
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
Contacting Tektronix
Tektronix, Inc.
14150 SW Karl Braun Drive
P.O. Box 500
Beaverton, OR 97077
USA
For product information, sales, service, and technical support:
In North America, call 1-800-833-9200.
Worldwide, visit www.tektronix.com to find contacts in your area.

Warranty
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. Parts, modules and replacement products used by Tektronix for warranty
work may be new or reconditioned to like new performance. All replaced parts, modules and products become
the property of Tektronix.
In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration of
the warranty period and make suitable arrangements for the performance of service. Customer shall be responsible
for packaging and shipping the defective product to the service center designated by Tektronix, with shipping
charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within
the country in which the Tektronix service center is located. Customer shall be responsible for paying all shipping
charges, 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
maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage
resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product;
b) to repair damage resulting from improper use or connection to incompatible equipment; c) to repair any damage
or malfunction caused by the use of non-Tektronix supplies; or d) to service a product that has been modified or
integrated with other products when the effect of such modification or integration increases the time or difficulty
of servicing the product.
THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY
OTHER WARRANTIES, EXPRESS OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY
IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
TEKTRONIX' RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE
AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY.
TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL,
OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS
ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
[W2 – 15AUG04]

Table of Contents
Important safety information...................................................................................... v
General safety summary ...................................................................................... v
Service safety summary..................................................................................... vii
Terms in this manual ........................................................................................ viii
Symbols and terms on the product......................................................................... viii
Preface.............................................................................................................. ix
Manual structure and conventions ........................................................................... x
Product documentation....................................................................................... xi
Operating basics
Operating basics .................................................................................................. 1-1
Production description ...................................................................................... 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 board ................................................................................................... 2-4
Processor board .............................................................................................. 2-5
Channel modules............................................................................................. 2-6
Front Panel assembly........................................................................................ 2-7
Power Supply modules...................................................................................... 2-8
Combiner board.............................................................................................. 2-9
Maintenance
Maintenance....................................................................................................... 3-1
Preventing ESD.............................................................................................. 3-2
Inspection and cleaning ..................................................................................... 3-3
Remove and replace procedures ........................................................................... 3-6
Repackaging instructions ................................................................................. 3-25
ECO8000 Series Service Manual i

Table of Contents
Troubleshooting
Troubleshooting................................................................................................... 4-1
General troubleshooting strategy........................................................................... 4-1
Solutions to common problems ............................................................................ 4-2
Troubleshooting procedures ................................................................................ 4-4
Check the power-on self test........................................................................... 4-4
Check the state of the Power Supply module LEDs ................................................ 4-5
Check the diagnostic readouts......................................................................... 4-7
Check the cable connections......................................................................... 4-15
Check the 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 termination ....................................................... 4-20
Check that the channel is enabled................................................................... 4-21
Disable the Relay Check function for an HREF/Relay channel ................................. 4-22
Execute the Initialize Hardware function ............... .................. .................. ....... 4-23
Replaceable Parts
Replaceable parts ................................................................................................. 5-1
Parts ordering information.................................................................................. 5-1
Using the replaceable parts lists............................................................................ 5-2
Index
Index
ii ECO8000 Series Service Manual

List of Figures
Figure 1-1: Location of rear panel power connectors (ECO8000 shown) ................................. 1-2
Figure 2-1: ECO8000 Series subsystems (ECO8020 with Option DPW shown) ......................... 2-1
Figure 2-2: ECO8000 Series high-level block diagram...................................................... 2-3
Figure 3-1: Installing or removing the instrument into or from the rack .......... ......................... 3-7
Figure 3-2: Removing the top cover ........................................................................... 3-8
Figure 3-3: Board locator and cable routing diagram ...................................................... 3-10
Figure 3-4: Removing the cable tie........................................................................... 3-11
Figure 3-5: Removing the multi-wire channel cables ............. .................. ....................... 3-11
Figure 3-6: Removing the circuit board support bracket................................................... 3-12
Figure 3-7: Removing the BNC nuts from a channel module............................................. 3-13
Figure 3-8: Removing a channel module .................................................................... 3-13
Figure 3-9: 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 power cables through the circuit board support bracket ................... 3-17
Figure 3-12: Positioning the support bracket tabs with the circuit boards ............ ................... 3-18
Figure 3-13: Installing the channel 1 board cable (Slot 1 to channel 1 board) .......................... 3-19
Figure 3-14: Disconnecting the line filter power cables from the Combiner board..................... 3-20
Figure 3-15: Light pipe connections ......................................................................... 3-21
Figure 4-1: Component locations on the Combiner board................................................. 4-17
Figure 4-2: Component locations on the Processor and Main boards .................................... 4-18
Figure 5-1: Front panel assembly and Power Supply module............................................... 5-3
Figure 5-2: Main chassis and ECO8000 rear panel........................................................... 5-5
Figure 5-3: ECO8020 rear panel................................................................................ 5-8
ECO8000 Series Service Manual iii

Table of Contents
List of Tables
Table 3-1: External inspection checklist ....................................................................... 3-3
Table 3-2: Internal inspection checklist........................................................................ 3-4
Table 3-3: Required tools........................................................................................ 3-6
Table 4-1: Troubleshooting common problems............................................................... 4-2
Table 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 Supply module replaceable parts list ....................... 5-4
Table 5-2: Main chassis and ECO8000 rear panel replaceable parts list .................................. 5-6
Table 5-3: ECO8020 rear panel replaceable parts list ....................................................... 5-8
iv ECO8000 Series Service Manual