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10–2

ECO 422

The following information and special symbols may appear in this manual.

Assembly Numbers

Each assembly in the instrument is assigned an assembly number (e.g., A20).
The assembly number appears on the diagram (in circuit board outline), circuit
board illustration title, and lookup table for the schematic diagram.

The Replaceable Electrical Parts List is arranged by assembly number in
numerical sequence; the components are listed by component number. Example:

Chassis–mounted components
have no Assembly No. prefix.
See end of Replaceable Electrical
Parts List

Assembly

Number

Component Number

Schematic Circuit
Number

Grid Coordinates

The schematic diagram and circuit board component location illustration have
grids. A lookup table with the grid coordinates is provided for ease of locating
the component. Only the components illustrated on the facing diagram are listed
in the lookup table.

When more than one schematic diagram is used to illustrate the circuitry on a
circuit board, the circuit board illustration will only appear opposite the first
diagram; the lookup table will list the diagram number of other diagrams that the
other circuitry appears on.

WIRE STRAP

MODULE

PLUG

P1

NEGATIVE

PORTS

IC TYPE

CHANGED

PART

+12V

DECOUPLED OR

FILTERED VOLTAGE

R500

20K

+12V3

REAR

PANEL

INPUT

BNC

J1

(FEMALE)

PAD

FRONT PANEL

NOMENCLATURE

C1

10UF

2
3

6

7

4

U1

741

-12V

R5

1.0

NC

ROTATE

H

HEAT SINK

2

REFER TO

WAVEFORM

1 2 3

J1

R4

20K

Q8

W4

0 OHM

+11.8V

+15V

-11.8V

TP1

/VIDEO

(VIDEO)

R55

100.0

CLOCKWISE

AJUSTMENT

1

2

J3

12

W751

A3

ANALOG

BOARD

SCHEMATIC &

BOARD REF

PART NAME,

2

R100

R85

SEL

SEE PARTS LIST

FOR SELECTION

CRITERIA

SQUARE PIN

CONNECTOR

PART OF A1 MAIN BOARD

R56

100.0

Q6

-15V

SEE PARTS LIST FOR

EARLIER VALUES AND

SERIAL NUMBER RANGES.

C27

0.1UF

SCREWDRIVER

ADJUSTMENT

CIRCUIT BOARD

OUTLINE

& SNUBBER

BASE DRIVE

TITLE

FUNCTION BLOCK

INSTRUMENT NAME

SCHEMATIC NAME & NUMBER

ASSEMBLY NUMBER

VERTICAL INPUT

1

A1

COMPONENT LOCATOR GRID

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Содержание ECO 422

Страница 1: ... Unit 070 8472 02 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 safety summaries prior to performing service ...

Страница 2: ...at in all previously published material Specifica tions and price change privileges reserved The following are registered trademarks TEKTRO NIX and TEK For product related information phone 800 TEKWIDE 800 835 9433 ext TV For further information contact Tektronix Inc Corporate Offices P O Box 1000 Wilsonville OR 97070 1000 U S A Phone 503 627 7111 TLX 192825 TWX 910 467 8708 Cable TEKWSGT ...

Страница 3: ...t 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 equipme...

Страница 4: ......

Страница 5: ... Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Communities EN 50081 1 Emissions EN 55022 Class B Radiated and Conducted Emissions EN 50082 1 Immunity IEC 801 2 Electrostatic Discharge Immunity IEC 801 3 RF Electromagnetic Field Immunity IEC 801 4 Electrical Fast Transient Burst Immunity High quality shielded cables must be used to ens...

Страница 6: ......

Страница 7: ... 2 4 Power 2 4 Video Signals 11 Channels 2 4 Reference 2 6 Operating Basics 2 6 State Machine Discussion 2 7 How to Adjust the User Defined Threshold Levels 2 8 Specifications 3 1 Introduction 3 1 Certification 3 6 EMI Standards 3 6 Theory of Operation 4 1 Introduction 4 1 Logic Conventions 4 1 ECO 422 Block Level Description 4 1 ECO 422 Detailed Circuit Description 4 2 Input and Comparators 2 thr...

Страница 8: ...ents 7 4 Corrective Maintenance 7 4 General Troubleshooting Procedures 7 4 Tektronix Service Offerings 7 5 Service Training 7 5 Field Service Centers 7 5 Module Exchange 7 6 Factory Replacement Parts 7 7 Etched Circuit Boards 7 7 Removal Replacement Instructions 7 8 Removal Replacement Instructions 7 8 Special Instructions for the Connector Board 7 8 How to Remove the Heat Sink 7 9 Repackaging Ins...

Страница 9: ...or Pin Out 2 5 Figure 2 5 Wiring Required to Conform with SMPTE Fault Reporting 2 6 Figure 2 6 Setup for Adjusting R265 the User Level for SX 7 2 9 Figure 2 7 Flowchart for Adjusting R265 2 10 Figure 4 1 Block Diagram of the ECO 422 4 1 Figure 4 2 Block Diagram of the Input Comparator 4 2 Figure 4 3 Block Diagram for the Control and Remote Circuit 4 4 Figure 4 4 Reference Voltage and Selector Swit...

Страница 10: ...itches S1 S11 2 3 Table 2 2 Truth Table for ECO 422 Switching 2 8 Table 3 1 General Characteristics 3 2 Table 3 2 Signal Loss Detection 3 3 Table 3 3 Power Supply 3 4 Table 3 4 Mechanical Physical Characteristics 3 4 Table 3 5 Environmental Characteristics 3 5 Table 7 1 Static Sensitive Components 7 3 Table 7 2 Assemblies in the ECO 422 7 6 ...

Страница 11: ...njury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Symbols These terms may appear on 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 hazard to property incl...

Страница 12: ...erly wired receptacle before connecting the product input or output terminals A protective ground connection by way of the grounding conductor in the power module power cord is essential for safe operation Danger Arising From Loss Of Ground Upon loss of the protective ground connection all accessible conducting parts including controls that may appear to be insulating can render an electric shock ...

Страница 13: ...All other power cords supplied are approved for the country of use For modules plug in or VXI that are safety certified by Underwriters Laborato ries UL Listing applies only when the module is installed in a UL Listed product CSA Certification applies only when the module is installed in a CSA Certified product Consult the product specifications for IEC Installation Category Pollution Degree and S...

Страница 14: ...General Safety Summary viii ECO 422 ...

Страница 15: ...ting any servicing discharge the CRT by shorting the anode to chassis ground When discharging the CRT connect the discharge path to ground and then the anode Rough handling may cause the CRT to implode Do not nick or scratch the glass or subject it to undue pressure when removing or installing it When handling the CRT wear safety goggles and heavy gloves for protection Dangerous voltages or curren...

Страница 16: ...Service Safety Summary x ECO 422 ...

Страница 17: ...Getting Started ...

Страница 18: ......

Страница 19: ...upon fault detection in any active channel front panel command or remote command The ECO 422 bases error checking on signal amplitude You can configure each channel to check for a different type of input There are six predefined checking levels no checking PAL analog black burst NTSC black burst serial digital component video NTSC serial digital composite video and serial digital audio A fault occ...

Страница 20: ...out tracks Rack slides conveniently mount in any rack that has a front to rear rail spacing between 15 and 28 inches The ECO 422 requires six inches of clearance between the instrument rear panel and any rear cabinet panel for connector space and to provide adequate air circulation Mounting the Slide Tracks Mount the rails using the enclosed hardware as shown in Figure 1 6 Figures 1 4 and 1 5 show...

Страница 21: ...Getting Started ECO 422 1 3 BAR NUT Use if the front rail is not tapped Figure 1 3 Front Rail Mount BAR NUT REAR RACK RAIL PNH SCREWS Figure 1 4 Deep Rackmount ...

Страница 22: ...ION 10 32 PHS SCREW 10 32 PHS SCREW FLAT NUT BARS FLAT NUT BAR INTERMEDIATE SECTION STOP LATCH HOLE REAR MOUNTING NOTE Right hand and left hand sta tionary section is designated by the RH and the LH marked on the rails Stop latch holes should be towards the bottom when slides are in place The right hand rail is shown above Figure 1 6 Assembly of Rackmounting Hardware ...

Страница 23: ...lides Rack Adjustments After installation if not properly adjusted the slide tracks may bind To adjust the tracks slide the instrument out about 10 inches slightly loosen the screws holding the tracks to the front rails and allow the tracks to seek an unbound position Retighten the screws and check the tracks for smooth operation by sliding the instrument in and out of the rack several times Once ...

Страница 24: ...ied power cords for use in North America are UL listed and CSA certified Cords for use in areas other than North America are approved by at least one test house acceptable in the country to which the product is shipped Power cord part numbers are shown in the Standard Accessories list at the end of the Replaceable Mechanical Parts List in Section 11 NOTE The BNC connectors are tightly spaced on th...

Страница 25: ...ctive Analog Video The ECO 422 will pass active analog video by using the no checking mode but there will be times when you need to check for the presence of an active video signal You have at least two options First you can set up a custom checking level using one of the user defined levels This is great if you are always passing color bars or some other test signal where the average picture leve...

Страница 26: ...e definition on the line as a reminder All of these switches are available through a small access panel on top of the ECO 422 eliminating any need to remove the top cover just to change the function of the outputs 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 s...

Страница 27: ...component 5 Serial Digital Audio 6 User defined _________ 7 User defined _________ 8 Attenaution Figure 1 9 Default Position of the User Configuration and Mode Switches Table 1 1 Channel Configuration Switches S1 S11 Output Switch Setting see above Attenuation set with Sx 8 On Off Type of Signal Attached 1 S1 2 S2 3 S3 4 S4 5 S5 6 S6 7 S7 8 S8 9 S9 10 S10 11 S11 ...

Страница 28: ...trols what they do and 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 ECO 422 as shown in Figure 1 10 Figure 1 10 Setup for the Functional Check Set all of the DIP switches S1 S11 to open except for S1 1 which should be set to closed NTSC black burst...

Страница 29: ...2 and the Primary 1 input of the ECO 422 Note the signal automatically switches to the Backup input and the Primary fault indicator lights Reconnect the Primary signal source Replace the cable between the SPG 422 and the Primary 1 input of the ECO 422 Note that the Primary fault indicator remains on and the Sync Source remains the Backup the ECO 422 does not automatically switch back to Primary Pr...

Страница 30: ...and the Backup 1 input of the ECO 422 Note that the output signal has changed to the Primary input signal and the Backup fault indicator LED lights Reconnect the Backup signal Replace the cable between the SPG 422 and the Backup 1 input of the ECO 422 Clear the fault indicator by pressing the Reset button Press the Sync Source button to return to Backup sync source Remove the power source from the...

Страница 31: ...Operating Basics ...

Страница 32: ......

Страница 33: ...power up Fault Indicator Reset Primary Backup Either one or both of these LEDs could be on They indicate that a fault has occurred on the input Press the Reset button to clear the fault indicators turn off the LEDs after the fault has been corrected The fault indicator does not automatically reset after an error condition improves At power up the LEDs are reset Front Panel Enabled Locked Out This ...

Страница 34: ... 3 NTSC Serial Digital Video composite 4 Serial Digital Video component 5 Serial Digital Audio 6 User defined _________ 7 User defined _________ 8 Attenaution Figure 2 2 Default Position of the User Configuration and Mode Switches Below is a list of the functions for each of the switches DIP Input Signal All Open Disabled signal not checked 1 NTSC Black Burst 2 PAL Black Burst 3 NTSC Serial Digita...

Страница 35: ...ion with large H sync pulses to increase the accuracy on the level check Only use this switch in conjunction with the User Defined Levels User Configuration Switch S14 8 This switch determines how the ECO 422 responds to faulty signals either Normal or Override For Normal operation the user cannot switch to a bad signal whether the instrument is in manual or auto switch mode For example the ECO 42...

Страница 36: ...t on the Power Supply board There are 33 video connectors on the rear panel Eleven are for the Primary input 11 are for the Backup input and 11 are for the Output A general overview of each one is below Primary Input from the primary sync generator It can be PAL black burst NTSC black burst serial digital video NTSC component or composite or serial digital audio if signal checking is desired There...

Страница 37: ...front panel cannot override this remote command Toggle Sync Source active low Operates the same as the Sync Source button on the front panel A low pulse will cause the ECO 422 to toggle between Primary and Backup as the output signal Indicate Primary Sync Source Active active high Indicates that the Primary signals are the sync source Indicate Backup Sync Source Active active high Indicates that t...

Страница 38: ...amage In the closed state the maximum voltage drop across the closure should not exceed 2 V at 20 mA The sensing device should not supply more than 20 mA of current to the reporting device To provide compliance with the standard wire a BNC connector adapter as shown in Figure 2 5 Figure 2 5 Wiring Required to Conform with SMPTE Fault Reporting Reference Operating Basics In normal operation the ECO...

Страница 39: ...tch Indicates whether or not the Sync Source button on the front panel or the Toggle Sync Source on the remote control has been selected Note that the front panel and the remote control commands are ANDed together active low to produce the switch results P Primary input It outputs to Output B Backup input It is part of the Output set O Auto Output signal with the ECO 422 set to Auto Switching swit...

Страница 40: ...ilable 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 H A step attenuator example 847 Attenuator from KAY Elemetrics H A waveform monitor or oscilloscope optional H The ECO 422 The example sets switch 7 for NTSC active video with the threshold set for a 3 ...

Страница 41: ...Operating Basics ECO 422 2 9 Figure 2 6 Setup for Adjusting R265 the User Level for SX 7 ...

Страница 42: ...ckup and no faults are on the Primary channel 12 Slowly adjust R265 until the ECO 422 switches to the Backup sync source and a fault occurs on the Primary channel Press Reset to verify that the fault is still preset If the Primary fault indicator LED goes out continue adjusting the potentiometer If the LED remains on S1 7 through S11 7 are set for your user defined level NOTE If you cannot adjust ...

Страница 43: ...Specifications ...

Страница 44: ......

Страница 45: ...ient 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 20 minutes Test equipment used to verify Performance Requirements must be calibrated and working within the limits specified under the Equipment Required list These instruments are intended to operate from an AC power so...

Страница 46: ...70 MHz 12 dB at 360 MHz 15 dB typical when selected Insertion Loss 0 2 dB DC to 10 MHz 0 5 dB 10 to 200 MHz 1 0 dB 200 to 360 MHz Maximum Switched Voltage 5 V Maximum Switched Current 100 mA Crosstalk unselected input to output or channel to channel 60 dB to 10 MHz 30 dB to 200 MHz 15 dB to 360 MHz Relay Switch Time Time that it takes for the relays to switch and settle Approximately 10 msec ...

Страница 47: ...urst sync level 180 to 230 mV 200 mV 2 4 PAL Black Burst sync level 190 to 240 mV 210 mV 3 5 Serial Digital Video NTSC Composite 450 to 630 mV 540 mV between 2 and 5 dB down 10 11 Serial Digital Video Component 450 to 630 mV 540 mV between 2 and 5 dB down 7 8 Serial Digital Audio 630 to 790 mV 710 mV 13 14 User Adjustable 100 to 700 mV 700 to 3500 mV Using the two user defined Channel Configuratio...

Страница 48: ...racy 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 v50 mV v50 mV Crest Factor w1 35 Fuse Required 1 ampere medium blow fuse for all applications Table 3 4 Mechanical Physical Characteristics Characteristics Supplemental Information Rackmount Dimensions Height Width Length 1 734 inches 4 4 cm 19 0 inches 48 3 cm 22 1 inches 56 1 cm N...

Страница 49: ... 200 to 350 Hz 0 010 g2 Hz APSD From 350 to 500 Hz 3 dB Octave Slope At 500 Hz 0 007 g2 Hz APSD 2 46 overall GRMS 10 minutes axis Shock nonoperating Half Sine Wave Shock levels 50 g s instru ment 11 msec duration 3 shocks per direction Transportation Qualified under NTSB Test Procedure 1A Category II 24 inch drop Vehicle Vibration Random Vibration Vibrate along all three aces at an overall vibrati...

Страница 50: ...Safety Requirements for Electronic Equipment for Measure ment Control and Laboratory Use H CAN CSA C22 2 No 1010 1 92 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use The following electromagnetic interference EMI standard applies to the ECO 422 H FCC EMI Compatibility FCC Rules Part 15 Subpart J Class A Refer to the compliance declaration in the front of thi...

Страница 51: ...are 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 before performing any service WARNING ...

Страница 52: ......

Страница 53: ...Theory of Operation ...

Страница 54: ......

Страница 55: ...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 signal name is always in square brackets For example SIG NAL The aside of an active low signal is the signal name in parentheses and then enclosed in square brackets For example SIGNAL ECO 422 Block Level Description See Figure 4 1 Figure 4 1 Block Diagram...

Страница 56: ... ECO 422 Detailed Circuit Description Input and Comparators 2 through 7 The Input and Comparator circuit takes the input signals selects between them and prepares the peak signals for the Decision Logic circuit There are five input signal sets on the Main board and six input signal sets on the Connector board All of the Input and Comparator circuits are identical for each signal set therefore only...

Страница 57: ...the input signal peaks which charge the memory capacitor C140 or C139 When no peaks are present the memory capacitor is discharged by R260 or R259 The DC output of the peak detector is buffered by a low drift op amp U11A and B Voltage Comparator The Voltage Comparator takes the output of the Negative Peak Detector and compares it to a DC reference voltage VREF1 selected from eight possible choices...

Страница 58: ...It drives the LEDs to 5 V The timer U13 provides the pulsing necessary to flash the front panel fault LEDs and clock the front panel Time Out circuit in the Controller When TIMER_DIS is low the timer is prevented from pulsing When the input goes high the timer output goes low turning on and allowing the Controller to flash the LEDs Remote The Remote port J17 provides three inputs and four outputs ...

Страница 59: ...ntroller KEY_VALID is internally delayed three clock cycles to allow key data setup The ENABLE and the delayed KEY_VALID signal clock a toggle flip flop high to enable the three input gates Once enabled the combination of delayed KEY_VALID and each input produces a control signal for the Controller LED Driver circuit the Lockout circuit and the Fault circuit The fault block of the Controller uses ...

Страница 60: ..._SW and buffered by U23B and U20B The resulting signal is set to the Switch Farm as ATTEN_M and ATTEN_C to control the input attenuators The 5 V signal is inverted and buffered by U20A resulting in the 2 5V_REF signal This signal drives five inverting amplifiers each with a DC output equivalent to the recovered DC from the Peak Detector Buffers for a specific type of input It also drives two adjus...

Страница 61: ...rom an OEM supply which provides 15 V 15 V and 5 V logic level voltage The 15 V supplies are regulated to 5 and 5 V The 15 V is reduced by 22 W resistors and then used directly by the relay NOTE There are two fuses in the instrument One is accessible through the rear panel and the other is on the power supply Make sure to check the internal fuse if the instrument will not power up Post Regulated P...

Страница 62: ...Theory of Operation 4 8 ECO 422 ...

Страница 63: ...Performance Verification ...

Страница 64: ......

Страница 65: ... 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 instrument performance In addition it can be used as a short form Performance Check for those familiar with the Performance Verification Procedure Only steps that have numeric Performance Requirements are included in this...

Страница 66: ...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 Backup switch at 2 dB down switch at 4 dB down Channel 2 swap S2 for S1 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 a...

Страница 67: ...witch 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 switch at 4 dB down 5 PAL Black Burst Switch Backup switch at 2 dB down switch at 4 dB down 7 Serial Digital Component Switch Primary switch at 2 dB down switch at 5 dB down 8 Serial Digital Component Switch Backup switc...

Страница 68: ... 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 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 Backup switch at 2 dB down switch at 4 dB down Channel 7 swap S7 for S1 2 NTSC Black B...

Страница 69: ...itch 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 switch at 4 dB down 5 PAL Black Burst Switch Backup switch at 2 dB down switch at 4 dB down 7 Serial Digital Component Switch Primary switch at 2 dB down switch at 5 dB down 8 Serial Digital Component Switch Backup switch...

Страница 70: ...omponent Switch Primary switch at 2 dB down switch at 5 dB down 8 Serial Digital Component 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 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 1...

Страница 71: ...all signals if any from the ECO 422 and power down the instrument Set all switches on S1 through S11 to open to disable switches on all channels Power the ECO 422 up No inputs or outputs are required at this point CHECK that there 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...

Страница 72: ...1 to closed and S1 2 through S1 8 open Set the step attenuator to 0 dB of attenuation Power up all equipment Set the SPG 422 to output an NTSC black burst signal CHECK that there are no errors shown for either the Primary or Backup ECO 422 sync sources Set the ECO 422 to Primary Sync Source and Auto Switch Switch on Fault Add attenuation 0 5 dB at a time to the Primary input signal until the signa...

Страница 73: ... attenuation Set the SPG 422 to output a PAL black burst signal Press Reset CHECK that there are no errors shown for either the Primary or Backup ECO 422 sync sources Set the ECO 422 to Primary Sync Source and Auto Switch Switch on Fault Add attenuation 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 r...

Страница 74: ... CHECK that the Backup signal still shows an error and automatically switches back to Primary If the ECO 422 does not continue to show the Backup signal in error after the reset continue adding attenuation until the Backup signal switches to Primary again Note the attenuation of the step attenuator CHECK that the ECO switches between 2 and 4 dB down 5 PAL Black Burst Check for Channel 1 Backup Swi...

Страница 75: ...up signal in error after the reset continue adding attenuation until the Backup signal switches to Primary again Note the attenuation of the step attenuator CHECK that the ECO switches between 2 and 4 dB down 6 Check the NTSC PAL Black Burst for Channels 2 11 Switch between 2 and 4 dB down from nominal Repeat the four previous procedures for Channels 2 11 of the ECO 422 Move the cables from Channe...

Страница 76: ...signal using either the 525 59 94 or 625 50 standard Press Reset CHECK that there are no errors shown for either the Primary or Backup ECO 422 sync sources Set the ECO 422 using the front panel to Primary Sync Source and Auto Switch Switch on Fault Add attenuation 0 5 dB at a time to the Primary input signal until the signal source switches to Backup Press the Reset button on the front panel and t...

Страница 77: ... the step attenuator to 0 dB of attenuation Set the SPG 422 to output any serial digital bars signal using either the 525 59 94 or 625 50 standard Press Reset CHECK that there are no errors shown for either the Primary or Backup ECO 422 sync sources Set the ECO 422 using the front panel to Backup Sync Source and Auto Switch Switch on Fault Add attenuation 0 5 dB at a time to the Backup input signa...

Страница 78: ...e the cables from Channel 1 to the channel under test Replace the switch setting for S1 as given in the following table Channel 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 shown in Figure 5 3 Step Attenuator Figure 5 3 Setup to Check the Serial Di...

Страница 79: ...t the Primary signal still shows an error and automatically switches back to Backup If the ECO 422 does not continue to show the Primary signal in error after the reset continue adding attenuation until the Primary signal switches to Backup again Note the attenuation of the step attenuator CHECK that the ECO switches between 2 and 5 dB down 11 NTSC Serial Digital Composite Check for Channel 1 Back...

Страница 80: ...al in error after the reset continue adding attenuation until the Backup signal switches to Primary again Note the attenuation of the step attenuator CHECK that the ECO switches between 2 and 5 dB down 12 Check Serial Digital Video Composite for Channels 2 through 11 Switch between 2 and 5 dB down from nominal Repeat the previous two procedures for Channels 2 through 11 of the ECO 422 Move the cab...

Страница 81: ...n and S1 6 through S1 8 open Set the step attenuator to 0 dB of attenuation Set the SPG 422 to output either a 1000 or 800 Hz serial digital audio tone on all four channels Press Reset CHECK that there are no errors shown for either the Primary or Backup ECO 422 sync sources Set the ECO 422 to Primary Sync Source and Auto Switch to Switch on Fault Add attenuation 0 5 dB at a time to the Primary in...

Страница 82: ...on 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 attenuator to 0 dB of attenuation Set the SPG 422 to output either a 1000 or 800 Hz serial digital audio tone on all four channels Press Reset CHECK that there are no errors shown for either the Primary or Backup ECO 422 sync sources Set the ECO 422 to Backup Sync Sourc...

Страница 83: ...een 2 and 4 dB down from nominal Repeat the previous two procedures for Channels 2 through 11 of the ECO 422 Move the cables from Channel 1 to the channel under test Replace the switch setting for S1 as given in the following table Channel No Switch No 2 S2 3 S3 4 S4 5 S5 6 S6 7 S7 8 S8 9 S9 10 S10 11 S11 ...

Страница 84: ...Performance Verification 5 20 ECO 422 ...

Страница 85: ...Adjustment Procedure ...

Страница 86: ......

Страница 87: ... 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 procedure to adjust these levels is an operator adjustment not a service adjustment Therefore it is given in the User portion of this manual see page 2 10 How to Adjust the User Defined Threshold Levels ...

Страница 88: ...Adjustment Procedure 6 2 ECO 422 ...

Страница 89: ...Maintenance ...

Страница 90: ......

Страница 91: ...nd repair and recalibration services When this service is used even during the warranty period the instrument should be tagged and repackaged according to the instructions at the end of this section Preparation H Read the Safety Summary and the Service Strategy H Read Operating Basics Inspection and Cleaning Preventive maintenance consists of cleaning lubricating visual inspection checking perform...

Страница 92: ...d water solution CAUTION Do not allow water to get inside any enclosed assembly or component Visually inspect the instrument during the preventive maintenance routine for signs of damage scorched components and loose or disconnected pin connec tors If you discover heat damaged parts try to determine the cause of the overheating before replacing the damaged parts otherwise the damage may repeat Per...

Страница 93: ...iners or on nonconductive surfaces 3 Discharge the static voltage from your body by wearing a grounded wrist strap while handling these components Service static sensitive components or assemblies only at a static free workstation by qualified personnel If soldering is involved use a soldering iron connected to earth ground and special antistatic desoldering tools 4 Avoid handling components in ar...

Страница 94: ...e and evaluate all trouble symptoms This is accomplished by isolating the problem to a general area such as an assembly The block diagram given with the schematics or the Theory of Operation is a valuable aid in signal tracing and circuit isolation CAUTION Use extreme care when probing with meter leads or probes The components are very dense and there is only limited access within the instru ment ...

Страница 95: ...n that can provide a number of services to assist in maintaining instrument operation at its specified levels They range from complete repair and adjustment at a convenient location to supplying replacement parts In addition there are training programs that are available for service technicians NOTE When considering which service offerings best suit the current need remember that Tektronix provide...

Страница 96: ...ations not originated by Tektronix are not acceptable for the exchange program When calling to arrange for a circuit board exchange it is essential that you have some information ready to relay to our technician The instrument type and serial number along with installed options are absolutely essential In addition the Assembly number A and the nine digit circuit board part number 67 will help ensu...

Страница 97: ...ble Electrical Parts list Serial Number Assembly Effective Discontinued column for the range in which your instrument serial number falls Having these pieces of information from Table 7 2 plus the instrument type serial number and software version number if applicable ensures that you will receive the module required to return the instrument to complete operation Replacement parts are available th...

Страница 98: ... or replace the screws Also check that you have removed all screws or nuts on the BNC connector before trying to remove a board To remove the Connector board first remove all the nuts from the top 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 towards the ...

Страница 99: ... Connector Board Out this Way CAUTION Use extreme care when sliding any of the boards to clear the rear panel because there are components on both sides of the boards U28 and U29 have heat sinks that must be removed in order to replace the components See Figure 7 3 for how to remove the heat sinks How to Remove the Heat Sinks ...

Страница 100: ...the original 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 dimensions of the instrument to allow room for cushioning The shipping carton should have a test strength of at least 275 pounds 2 Surround the instrument with polyethylene sheeting to protect the fin...

Страница 101: ...Options ...

Страница 102: ......

Страница 103: ...ord and one replacement fuse Option A2 United Kingdom 240 V 15 A Power Plug power cord and one replacement fuse Option A3 Australian 240 V 10 A Power Plug power cord and one replacement fuse Option A4 North American 250 V 10 A Power Plug power cord and one replacement fuse Unless otherwise specified power cords for use in North America are UL listed and CSA certified Cords for use in areas other t...

Страница 104: ...Options 8 2 ECO 422 ...

Страница 105: ...Replaceable Electrical Parts ...

Страница 106: ......

Страница 107: ...Tektronix Inc Field Office or representative will contact you concerning any change in part number Change information if any is located at the rear of this manual Using the Replaceable Electrical Parts List The tabular information in the Replaceable Electrical Parts list is arranged for quick retrieval Understanding the structure and features of the list will help you find all of the information y...

Страница 108: ...ciated electrical part for example fuse holder follows fuse Chassis mounted parts and cable assemblies have no assembly number prefix and are located at the end of the electrical parts list Indicates part number to be used when ordering replacement part from Tektronix Column three 3 indicates the serial or assembly number at which the part was first used Column four 4 indicates the serial or assem...

Страница 109: ...6 00213 MSD INC 700 ORANGE ST DARLINGTON SC 29532 00779 AMP INC 2800 FULLING MILL PO BOX 3608 HARRISBURG PA 17105 01295 TEXAS INSTRUMENTS INC SEMICONDUCTOR GROUP 13500 N CENTRAL EXPY PO BOX 655303 DALLAS TX 75262 5303 04222 AVX KYOCERA DIV OF AVX CORP 19TH AVE SOUTH P O BOX 867 MYRTLE BEACH SC 29577 04713 MOTOROLA INC SEMICONDUCTOR PRODUCTS SECTOR 5005 E MCDOWELL RD PHOENIX AZ 85008 4229 06090 RAY...

Страница 110: ...COURT PETALUMA CA 94952 1152 66958 SGS THOMSON MICROELECTRONICS 1000 E BELL RD PHOENIX AZ 85022 2649 67183 ALTERA CORP 3525 MONROE ST SANTA CLARA CA 95051 71400 BUSSMANN DIV OF COOPER INDUSTRIES INC 114 OLD STATE RD PO BOX 14460 ST LOUIS MO 63178 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR PO BOX 500 BEAVERTON OR 97077 0001 81073 GRAYHILL INC 561 HILLGROVE AVE PO BOX 10373 LA GRANGE IL 60525 5914 9...

Страница 111: ...PCB 80009 174326600 A1S1 260 2442 00 SWITCH PUSH SPST MOM NO 100 GRM FRC COND RUBBER CONTACTS GRN LED W KEYCAP TK1857 HL20 LSG ATTACHED PARTS 366 0672 00 PUSH BUTTON W O LENS HL20 0101 TK1857 HL20 0101 END ATTACHED PARTS A1S2 260 2442 00 SWITCH PUSH SPST MOM NO 100 GRM FRC COND RUBBER CONTACTS GRN LED W KEYCAP TK1857 HL20 LSG ATTACHED PARTS 366 0672 00 PUSH BUTTON W O LENS HL20 0101 TK1857 HL20 01...

Страница 112: ...0775 01 CAP FXD CERAMIC MCL 0 1UF 20 50V Z5U 0 170 04222 SA105E104MAA A2C36 281 0775 01 CAP FXD CERAMIC MCL 0 1UF 20 50V Z5U 0 170 04222 SA105E104MAA A2C37 281 0773 00 CAP FXD CERAMIC MLC 0 01UF 10 100V TK1743 CGB103KEX A2C38 281 0773 00 CAP FXD CERAMIC MLC 0 01UF 10 100V TK1743 CGB103KEX A2C39 281 0773 00 CAP FXD CERAMIC MLC 0 01UF 10 100V TK1743 CGB103KEX A2C40 281 0773 00 CAP FXD CERAMIC MLC 0 ...

Страница 113: ...81 0775 01 CAP FXD CERAMIC MCL 0 1UF 20 50V Z5U 0 170 04222 SA105E104MAA A2C89 281 0773 00 CAP FXD CERAMIC MLC 0 01UF 10 100V TK1743 CGB103KEX A2C90 281 0773 00 CAP FXD CERAMIC MLC 0 01UF 10 100V TK1743 CGB103KEX A2C91 281 0773 00 CAP FXD CERAMIC MLC 0 01UF 10 100V TK1743 CGB103KEX A2C92 281 0773 00 CAP FXD CERAMIC MLC 0 01UF 10 100V TK1743 CGB103KEX A2C93 290 1311 00 CAP FXD ALUM 10UF 20 50V ESR ...

Страница 114: ...50V Z5U 0 170 04222 SA105E104MAA A2C141 281 0775 01 CAP FXD CERAMIC MCL 0 1UF 20 50V Z5U 0 170 04222 SA105E104MAA A2C142 281 0775 01 CAP FXD CERAMIC MCL 0 1UF 20 50V Z5U 0 170 04222 SA105E104MAA A2C143 281 0563 00 CAP FXD CERAMIC MLC 0 47UF 20 50V 0 150 X0 290 04222 SA305E474MAA A2C144 290 1311 00 CAP FXD ALUM 10UF 20 50V ESR 1 4 OHM 100KHZ 20C 5X11MM 105C 5000HRS 55680 UPL1H100MDH1TD A2C145 290 1...

Страница 115: ...680 USP1C470MCA1TP A2C213 290 1289 00 CAP FXD ALUM 47UF 20 16V 0 250 X 0 276 RADIAL NON POLAR BULK 55680 USP1C470MCA1TP A2C214 281 0773 00 CAP FXD CERAMIC MLC 0 01UF 10 100V TK1743 CGB103KEX A2C215 290 0778 01 CAP FXD ALUM 1UF 20 50V ESR 198 94 OHM 120HZ 20C 55680 UVP1H010MAAITD A2C216 290 0778 01 CAP FXD ALUM 1UF 20 50V ESR 198 94 OHM 120HZ 20C 55680 UVP1H010MAAITD A2C217 290 0778 01 CAP FXD ALUM...

Страница 116: ...DIODE SIG ULTRA FAST 40V 150MA 4NS 2PF 27014 FDH9427 A2CR17 152 0141 02 DIODE SIG ULTRA FAST 40V 150MA 4NS 2PF 27014 FDH9427 A2CR18 152 0141 02 DIODE SIG ULTRA FAST 40V 150MA 4NS 2PF 27014 FDH9427 A2CR19 152 0141 02 DIODE SIG ULTRA FAST 40V 150MA 4NS 2PF 27014 FDH9427 A2CR20 152 0141 02 DIODE SIG ULTRA FAST 40V 150MA 4NS 2PF 27014 FDH9427 A2CR23 152 0951 00 DIODE SIG SCHTKY 60V 2 25PF 66958 1N6263...

Страница 117: ...27014 FDH9427 A2J1 131 5414 00 CONN RF JACK BNC 75 OHM FEMALE RTANG PCB REAR PNL 0 625 H X 0 187TALL W O MTG FLANGE W MTG POSTS 00779 222092 1 A2J2 131 5414 00 CONN RF JACK BNC 75 OHM FEMALE RTANG PCB REAR PNL 0 625 H X 0 187TALL W O MTG FLANGE W MTG POSTS 00779 222092 1 A2J3 131 5414 00 CONN RF JACK BNC 75 OHM FEMALE RTANG PCB REAR PNL 0 625 H X 0 187TALL W O MTG FLANGE W MTG POSTS 00779 222092 1...

Страница 118: ...75Z A2Q7 151 0254 03 XSTR SIG BIPOLAR NPN 30V 500MA 125MHZ AMPL DARLINGTON 0JR04 MPSA14 TPE2 A2Q8 151 0369 03 671 3243 01 TRANSISTOR SIG BIPOLAR PNP 15V 30MA 2 0GHZ AMPL 04713 MPSH69RLRP A2Q8 151 0712 02 671 3243 02 TRANSISTOR SIG BIPOLAR PNP 20V 50MA 600MHZ AMPLIFIER MPSH81 TO 92 BEC T A 04713 MPSH81RLRP A2Q9 151 0369 03 671 3243 01 TRANSISTOR SIG BIPOLAR PNP 15V 30MA 2 0GHZ AMPL 04713 MPSH69RLRP...

Страница 119: ...A2R13 322 3228 00 RES FXD FILM 2 32K OHM 1 0 2W TC T0MI SM BODY 91637 CCF50 1G2320F A2R14 322 3385 00 RES FXD METAL FILM 100K OHM 1 0 2W TC 100 PPM 91637 CCF501G10002F A2R15 322 3086 00 RES FXD FILM 76 8 OHM 1 0 2W TC T0MI SMALL 91637 CCF50 2G76R80F A2R16 322 3301 00 RES FXD FILM 13 3K OHM 1 0 2W TC T0MI SM BODY 91637 CCF501G13301F A2R17 322 3126 00 RES FXD FILM 200 OHM 1 0 2W TC T0MI SMALL BODY 9...

Страница 120: ...PM 91637 CCF501G15000F A2R74 322 3210 00 RES FXD METAL FILM 1 5K OHM 1 0 2W TC 100 PPM 91637 CCF501G15000F A2R75 322 3056 00 RES FXD FILM 37 4 OHM 1 0 2W TC T0MI SMALL 91637 CCF50 2F37R40F A2R76 322 3158 00 RES FXD FILM 432 OHM 1 0 2W TC T0MI SMALL BODY 57668 CRB2D FXE 432 A2R77 322 3158 00 RES FXD FILM 432 OHM 1 0 2W TC T0MI SMALL BODY 57668 CRB2D FXE 432 A2R78 322 3193 00 RES FXD METAL FILM 1K O...

Страница 121: ...ALL BODY 91637 CCF50 2F24301F A2R140 322 3481 00 RES FXD FILM 1M OHM 1 0 2W TC T0MI SMALL BODY 91637 CCF501G10003F A2R141 315 0205 00 RES FXD FILM 2M OHM 5 0 25W 80009 315020500 A2R142 322 3222 00 RES FXD METAL FILM 2K OHM 1 0 2W TC 100 PPM 91637 CCF501G20000F A2R143 322 3222 00 RES FXD METAL FILM 2K OHM 1 0 2W TC 100 PPM 91637 CCF501G20000F A2R144 322 3222 00 RES FXD METAL FILM 2K OHM 1 0 2W TC 1...

Страница 122: ...CCF501G10002F A2R202 322 3301 00 RES FXD FILM 13 3K OHM 1 0 2W TC T0MI SMALL BODY 91637 CCF501G13301F A2R203 322 3086 00 RES FXD FILM 76 8 OHM 1 0 2W TC T0MI SMALL 91637 CCF50 2G76R80F A2R204 322 3126 00 RES FXD FILM 200 OHM 1 0 2W TC T0MI SMALL BODY 91637 CCF501G200ROF A2R205 322 3228 00 RES FXD FILM 2 32K OHM 1 0 2W TC T0MI SMALL BODY 91637 CCF50 1G2320F A2R206 322 3385 00 RES FXD METAL FILM 100...

Страница 123: ...03 M L A2R266 311 2235 00 RES VAR TRMR CERMET 10K OHM 20 0 5W 0 197 SQ TOP ADJUST TK2073 GF06UT2 103 M L A2R267 322 3226 00 RES FXD METAL FILM 2 21K OHM 1 0 2W TC 100 91637 CCF501G22100F A2R268 322 3289 07 RES FXD FILM 10K OHM 0 1 0 2W TC T9 T R SM BODY 91637 CCF501C10001B A2R269 322 3222 07 RES FXD FILM 2K OHM 0 1 0 2W TC T9 SMALL BODY 91637 CCF501C20000B A2R270 322 3221 00 RES FXD FILM 1 96K OHM...

Страница 124: ...R326 322 3147 00 RES FXD METAL FILM 332 OHM 1 0 2W TC 100 PPM 91637 CCF501G332R0F A2R327 322 3318 00 RES FXD METAL FILM 20K OHM 1 0 2W TC 100 PPM 91637 CCF501G20001F A2R328 322 3318 00 RES FXD METAL FILM 20K OHM 1 0 2W TC 100 PPM 91637 CCF501G20001F A2R329 322 3289 00 RES FXD METAL FILM 10K OHM 1 0 2W TC 100 PPM 91637 CCF50G10001F A2R330 322 3155 00 RES FXD FILM 402 OHM 1 0 2W TC T0MI SMALL BODY 9...

Страница 125: ...LOW OFFSET LOW DRIFT 27014 LF412CN A2U8 156 1225 00 IC LINEAR BIPOLAR COMPARATOR DUAL OPEN COLLECTOR 300NS 01295 LM393P A2U9 156 1699 00 IC LINEAR BIFET OP AMP DUAL LOW OFFSET LOW DRIFT 27014 LF412CN A2U10 156 1225 00 IC LINEAR BIPOLAR COMPARATOR DUAL OPEN COLLECTOR 300NS 01295 LM393P A2U11 156 1215 01 IC DIGITAL CMOS MUX ENCODER 27014 MM74C923N A2U12 156 3305 00 IC DGTL ACTCMOS BFR NONINV OCTAL L...

Страница 126: ...1 0773 00 CAP FXD CERAMIC MLC 0 01UF 10 100V TK1743 CGB103KEX A3C21 290 1289 00 CAP FXD ALUM 47UF 20 16V 0 250 X 0 276 RADIAL NON POLAR BULK 55680 USP1C470MCA1TP A3C22 290 1289 00 CAP FXD ALUM 47UF 20 16V 0 250 X 0 276 RADIAL NON POLAR BULK 55680 USP1C470MCA1TP A3C23 281 0775 01 CAP FXD CERAMIC MCL 0 1UF 20 50V Z5U 0 170 04222 SA105E104MAA A3C24 281 0775 01 CAP FXD CERAMIC MCL 0 1UF 20 50V Z5U 0 1...

Страница 127: ...A3C73 290 1289 00 CAP FXD ALUM 47UF 20 16V 0 250 X 0 276 RADIAL NON POLAR BULK 55680 USP1C470MCA1TP A3C74 290 1289 00 CAP FXD ALUM 47UF 20 16V 0 250 X 0 276 RADIAL NON POLAR BULK 55680 USP1C470MCA1TP A3C75 281 0775 01 CAP FXD CERAMIC MCL 0 1UF 20 50V Z5U 0 170 04222 SA105E104MAA A3C76 281 0775 01 CAP FXD CERAMIC MCL 0 1UF 20 50V Z5U 0 170 04222 SA105E104MAA A3C77 281 0775 01 CAP FXD CERAMIC MCL 0 ...

Страница 128: ...0 USP1C470MCA1TP A3C126 290 1289 00 CAP FXD ALUM 47UF 20 16V 0 250 X 0 276 RADIAL NON POLAR BULK 55680 USP1C470MCA1TP A3C127 281 0775 01 CAP FXD CERAMIC MCL 0 1UF 20 50V Z5U 0 170 04222 SA105E104MAA A3C128 281 0775 01 CAP FXD CERAMIC MCL 0 1UF 20 50V Z5U 0 170 04222 SA105E104MAA A3C129 281 0775 01 CAP FXD CERAMIC MCL 0 1UF 20 50V Z5U 0 170 04222 SA105E104MAA A3C131 281 0773 00 CAP FXD CERAMIC MLC ...

Страница 129: ... RADIAL NON POLAR BULK 55680 USP1C470MCA1TP A3C187 290 1289 00 CAP FXD ALUM 47UF 20 16V 0 250 X 0 276 RADIAL NON POLAR BULK 55680 USP1C470MCA1TP A3C188 290 1289 00 CAP FXD ALUM 47UF 20 16V 0 250 X 0 276 RADIAL NON POLAR BULK 55680 USP1C470MCA1TP A3C189 290 1289 00 CAP FXD ALUM 47UF 20 16V 0 250 X 0 276 RADIAL NON POLAR BULK 55680 USP1C470MCA1TP A3C190 290 1289 00 CAP FXD ALUM 47UF 20 16V 0 250 X 0...

Страница 130: ... 0770 00 CAP FXD CER DI 1000PF 20 100V 04222 SA101C102MAA A3C233 281 0770 00 CAP FXD CER DI 1000PF 20 100V 04222 SA101C102MAA A3C234 281 0770 00 CAP FXD CER DI 1000PF 20 100V 04222 SA101C102MAA A3C235 281 0770 00 CAP FXD CER DI 1000PF 20 100V 04222 SA101C102MAA A3C236 281 0770 00 CAP FXD CER DI 1000PF 20 100V 04222 SA101C102MAA A3C237 281 0770 00 CAP FXD CER DI 1000PF 20 100V 04222 SA101C102MAA A3...

Страница 131: ...T 40V 150MA 4NS 2PF 27014 FDH9427 A3CR74 152 0141 02 DIODE SIG ULTRA FAST 40V 150MA 4NS 2PF 27014 FDH9427 A3CR75 152 0141 02 DIODE SIG ULTRA FAST 40V 150MA 4NS 2PF 27014 FDH9427 A3CR77 152 0141 02 DIODE SIG ULTRA FAST 40V 150MA 4NS 2PF 27014 FDH9427 A3CR78 152 0141 02 DIODE SIG ULTRA FAST 40V 150MA 4NS 2PF 27014 FDH9427 A3CR80 152 0141 02 DIODE SIG ULTRA FAST 40V 150MA 4NS 2PF 27014 FDH9427 A3CR81...

Страница 132: ...A 2 0GHZ AMPL 04713 MPSH69RLRP A3Q2 151 0712 02 671 3243 02 TRANSISTOR SIG BIPOLAR PNP 20V 50MA 600MHZ AMPLIFIER MPSH81 TO 92 BEC T A 04713 MPSH81RLRP A3Q3 151 0711 02 XSTR SIG BIPOLAR NPN 25V 50MA 650MHZ AMPL 04713 MPSH10RLRP A3Q4 151 0711 02 XSTR SIG BIPOLAR NPN 25V 50MA 650MHZ AMPL 04713 MPSH10RLRP A3Q5 151 0207 01 XSTR SIG BIPOLAR NPN 45V 300MA 250MHZ AMPL 27014 PN100A D75Z A3Q6 151 0207 01 XS...

Страница 133: ... METAL FILM 20K OHM 1 0 2W TC 100 PPM 91637 CCF501G20001F A3R3 322 3318 00 RES FXD METAL FILM 20K OHM 1 0 2W TC 100 PPM 91637 CCF501G20001F A3R4 322 3175 00 RES FXD FILM 649 OHM 1 0 2W TC T0 SMALL BODY 91637 CCF50G649R0F A3R5 322 3175 00 RES FXD FILM 649 OHM 1 0 2W TC T0 SMALL BODY 91637 CCF50G649R0F A3R6 322 3231 00 RES FXD FILM 2 49K OHM 1 0 2W TC T0MI SMALL BODY 91637 CCF50 1G24900F A3R7 322 32...

Страница 134: ...7 CCF50 2G76R80F A3R63 322 3126 00 RES FXD FILM 200 OHM 1 0 2W TC T0MI SMALL BODY 91637 CCF501G200ROF A3R64 322 3228 00 RES FXD FILM 2 32K OHM 1 0 2W TC T0MI SMALL BODY 91637 CCF50 1G2320F A3R65 322 3385 00 RES FXD METAL FILM 100K OHM 1 0 2W TC 100 PPM 91637 CCF501G10002F A3R66 322 3086 00 RES FXD FILM 76 8 OHM 1 0 2W TC T0MI SMALL 91637 CCF50 2G76R80F A3R67 322 3301 00 RES FXD FILM 13 3K OHM 1 0 ...

Страница 135: ...BODY 57668 CRB2D FXE 432 A3R125 322 3193 00 RES FXD METAL FILM 1K OHM 1 0 2W TC 100 PPM 91637 CCF501G10000F A3R126 322 3193 00 RES FXD METAL FILM 1K OHM 1 0 2W TC 100 PPM 91637 CCF501G10000F A3R127 322 3158 00 RES FXD FILM 432 OHM 1 0 2W TC T0MI SMALL BODY 57668 CRB2D FXE 432 A3R128 322 3158 00 RES FXD FILM 432 OHM 1 0 2W TC T0MI SMALL BODY 57668 CRB2D FXE 432 A3R129 322 3232 00 RES FXD FILM 2 55K...

Страница 136: ...00F A3R191 322 3222 00 RES FXD METAL FILM 2K OHM 1 0 2W TC 100 PPM 91637 CCF501G20000F A3R192 322 3222 00 RES FXD METAL FILM 2K OHM 1 0 2W TC 100 PPM 91637 CCF501G20000F A3R193 322 3056 00 RES FXD FILM 37 4 OHM 1 0 2W TC T0MI SMALL 91637 CCF50 2F37R40F A3R194 322 3318 00 RES FXD METAL FILM 20K OHM 1 0 2W TC 100 PPM 91637 CCF501G20001F A3R195 322 3318 00 RES FXD METAL FILM 20K OHM 1 0 2W TC 100 PPM...

Страница 137: ...ODY 91637 CCF50 1G2320F A3R253 322 3385 00 RES FXD METAL FILM 100K OHM 1 0 2W TC 100 PPM 91637 CCF501G10002F A3R254 322 3086 00 RES FXD FILM 76 8 OHM 1 0 2W TC T0MI SMALL 91637 CCF50 2G76R80F A3R255 322 3301 00 RES FXD FILM 13 3K OHM 1 0 2W TC T0MI SMALL BODY 91637 CCF501G13301F A3R256 322 3126 00 RES FXD FILM 200 OHM 1 0 2W TC T0MI SMALL BODY 91637 CCF501G200ROF A3R257 322 3318 00 RES FXD METAL F...

Страница 138: ...INT 0 070 ID 0 220 H 0 063 DIAP CB 0 015 X 0 032 BRASS W RED NYLON COLLAR 26364 104 01 02 A3U1 156 1699 00 IC LINEAR BIFET OP AMP DUAL LOW OFFSET LOW DRIFT 27014 LF412CN A3U2 156 1225 00 IC LINEAR BIPOLAR COMPARATOR DUAL OPEN COLLECTOR 300NS 01295 LM393P A3U3 156 1699 00 IC LINEAR BIFET OP AMP DUAL LOW OFFSET LOW DRIFT 27014 LF412CN A3U4 156 1225 00 IC LINEAR BIPOLAR COMPARATOR DUAL OPEN COLLECTOR...

Страница 139: ...INE 0KB01 ORDER BY DESC END ATTACHED PARTS J100 175 9877 00 CA ASSY SP ELEC 10 28 AWG 12 5 L RIBBON CONNECTED REMOTE REAR PANEL TO A2J17 TK1547 ORDER BY DESC MOUNTING PARTS 214 3903 01 SCREW JACK 4 40 X 0 312 EXT THD 4 40 INT THD 0 188 HEX STEEL CADPLATE QUANTITY 2 0KB01 214 3903 01 END MOUNTING PARTS W18 174 1495 00 CA ASSY SP ELEC 20 28 AWG 3 0 L RIBBONSAF CONT CONNECTED A2J18 A3J19 TK1547 174 1...

Страница 140: ...Replaceable Electrical Parts 9 34 ECO 422 ...

Страница 141: ...Diagrams Circuit Board Illustrations ...

Страница 142: ......

Страница 143: ...r ID CONTROL Abbreviations are based on ANSI Y1 1 1972 Other ANSI standards that are used in the preparation of diagrams by Tektronix Inc are Y14 15 1966 Drafting Practices Y14 2 1973 Line Conventions and Lettering Y10 5 1968 Letter Symbols for Quantities Used in Electrical Science and Electrical Engineering American National Standard Institute 1430 Broadway New York New York 10018 Component Value...

Страница 144: ...gram are listed in the lookup table When more than one schematic diagram is used to illustrate the circuitry on a circuit board the circuit board illustration will only appear opposite the first diagram the lookup table will list the diagram number of other diagrams that the other circuitry appears on WIRE STRAP MODULE PLUG P1 NEGATIVE PORTS IC TYPE CHANGED PART 12V DECOUPLED OR FILTERED VOLTAGE R...

Страница 145: ......

Страница 146: ...l Board DS1 B2 B1 DS2 B3 B1 DS3 D2 D1 DS4 D3 D1 DS5 E2 G1 DS6 E3 G1 DS7 F2 I1 DS8 F3 I1 J1 H3 B2 S1A B3 A1 S1B D4 A1 S2A C3 C1 S2B D4 C1 S3A D3 F1 S3B D5 F1 S4A E3 H1 S4B D5 H1 Front Panel Board and Schematic Diagram 1 Component Locator Chart A1 Front Panel Board ...

Страница 147: ... ECO 422 Changeover Unit FRONT PANEL 1 ...

Страница 148: ...ECO 422 ...

Страница 149: ...3 C3 R28 3 E4 B3 R29 3 D2 B3 R30 3 D2 B3 R31 3 C3 A3 R32 3 D3 B3 R33 3 F4 A4 R37 3 F3 B4 R39 3 G2 B5 R40 3 G2 B5 R41 3 G3 B4 R42 3 G3 B4 R43 3 H3 F5 R44 3 H2 F5 R45 3 F3 C4 R46 3 G4 B4 R47 3 G3 C4 R48 3 G3 B5 R49 3 G3 C4 R50 4 E4 A4 R51 4 E4 A4 R52 2 C4 D2 R53 2 C4 E2 R54 2 C5 C2 R55 2 C5 C2 R56 2 C4 E2 R57 2 C4 E2 R58 2 C4 D2 R59 2 E4 E3 R60 2 D4 E3 R61 2 E4 E3 R62 2 D4 D3 R63 2 E4 E3 R64 2 E5 C3...

Страница 150: ...ECO 422 A2 Main board locator chart on front of this page Static Sensitive Devices See Maintenance Section A2 Main Board ...

Страница 151: ...F C127 1UF C129 1UF C243 1UF 5V 5VD C232 001UF 3 2 1 8 4 U8A LM393 R184 1 00M R185 24 3K CR36 P_AND VOLTAGE COMPARATORS 5V R166 475K C88 1UF R191 2 00K 3 2 1 8 4 U7A LF412 5V 5V C100 47UF R155 13 3K R172 1 00K R153 2 32K Q23 R164 20 0K CR32 C85 1UF NEGATIVE PEAK DETECTORS 5V 5V INPUT BUFFERS C82 47UF R174 432 R154 100K R156 76 8 Q24 R175 432 Q20 R151 2 49K C80 01UF C210 47UF R147 20 0K R150 649 RE...

Страница 152: ...Q15 C2 F2 Q16 E2 F3 Q17 E1 G3 Q18 D1 F3 Q19 D2 E3 R52 C4 D2 R53 C4 E2 R54 C5 C2 R55 C5 C2 R56 C4 E2 R57 C4 E2 R58 C4 D2 R59 E4 E3 R60 D4 E3 R61 E4 E3 R62 D4 D3 R63 E4 E3 R64 E5 C3 R65 D4 C3 R66 D5 C3 R67 E4 D3 R68 E5 D3 R69 E5 C4 R70 E4 E4 R71 F5 C4 R72 F4 E4 R73 B5 C2 R74 B4 E2 R75 C4 D2 R76 D5 C3 R77 D5 C3 R78 E4 E3 R79 E5 D3 R80 D4 E3 R81 D4 E3 R82 C4 C3 R83 D4 D3 R84 F5 C4 R88 F4 D4 R90 G3 D5 ...

Страница 153: ...5VD C76 1UF C75 1UF C77 1UF C241 1UF 5V 5VD C228 001UF R90 1 00M R91 24 3K 3 2 1 8 4 U4A LM393 CR18 P_AND VOLTAGE COMPARATORS 5V R72 475K C36 1UF R97 2 00K 3 2 1 8 4 U3A LF412 5V 5V C48 47UF R61 13 3K R78 1 00K R59 2 32K Q11 C33 1UF R70 20 0K CR14 NEGATIVE PEAK DETECTORS 5V 5V INPUT BUFFERS C30 47UF R80 432 R60 100K R62 76 8 Q12 R81 432 Q8 R57 2 49K C28 01UF C205 47UF R53 20 0K R56 649 RELAY_DRIVE...

Страница 154: ...B1 P1 E5 K1 Q1 C3 C2 Q2 C3 A2 Q3 E4 A3 Q4 E3 C3 Q5 D3 B3 Q6 D4 A3 R1 C3 A2 R2 C3 C2 R3 C4 A2 R4 C4 A2 R5 C3 B2 R6 C2 C2 R7 C3 A2 R8 E2 B3 R9 D2 B3 R10 E2 C3 R11 D3 B3 R12 E3 C3 R13 E3 A3 R14 D3 A3 R15 D3 A3 R16 E3 A3 R17 E4 A3 R18 E4 A4 R19 E3 B4 R20 F4 A4 R21 F3 B4 R22 B4 A2 R23 B3 B2 R24 C3 B2 R25 D3 A3 R26 D3 A3 R27 E3 C3 R28 E4 B3 R29 D2 B3 R30 D2 B3 R31 C3 A3 R32 D3 B3 R33 F4 A4 R37 F3 B4 R39...

Страница 155: ...K C9 1UF R33 475K CR53 R46 2 00K VREF11 C189 1UF C251 001UF H5 5 5 6 7 U1B LF412 R45 2M 5V 5V C21 47UF R17 200 C8 1UF R13 2 32K R16 13 3K R28 1 00K Q3 CR6 R18 20 0K CR69 5V 5V 5V 5V 5V 5V CR2 Q6 C3 47UF R26 432 R14 100K R15 76 8 R25 432 Q2 R7 2 49K MICROSTRIP 75 OHM RELAY C1 01UF R1 37 4 CR7 R4 649 R3 20 0K C202 47UF R302 37 4 MICROSTRIP 75 OHM RELAY J1 R22 1 50K F4 4 RELAY_DRIVER_B RELAY_DRIVER_P...

Страница 156: ...4 A4 R51 E4 A4 R240 G3 K8 R242 E2 H7 R244 F3 J8 R245 F3 J8 R246 G3 J8 R247 G3 K7 R248 F3 J7 R249 G2 K8 R250 G2 K8 R251 G1 K8 R252 G2 K7 R253 E2 H7 R292 C5 I7 R293 E5 I8 R294 F1 J8 R295 F2 I8 R300 E3 H6 R311 G2 K7 R312 G3 K7 R313 G2 K7 R314 G1 J8 R315 G1 J7 R316 D1 I6 R317 E2 H6 R318 F2 J7 R319 E4 G8 R320 E4 G8 R321 E5 G8 R322 E5 G8 R323 E5 G8 R324 E5 G8 R325 E5 H8 R326 E5 H8 R327 B1 F5 R328 B1 G5 ...

Страница 157: ...B_TEST10 P_TEST11 B_TEST11 15V R336 22 5V 5V C214 01UF H4 H5 H2 H2 2 H3 H4 3 5VD 5VD ALARM ENABLE_O LOCK_O TIMER_DIS 5VD C136 1UF C141 1UF C159 1UF 5VD 5VD 5VD DIS 7 THR 6 CV 5 TRIG 2 RST 4 VCC 8 GND 1 OUT 3 U13 7555 R300 10 0K C135 1UF CR46 ALARM 5VD 5VD R244 787 R246 10 0K Q32 R245 150 5VD R312 20 0 R240 22 CR47 R249 221 R247 100K CR48 VR1 Q33 R248 2 21K 1 2 5 4 6 U15 4N26 B3 1 B3 2 B4 3 RELAY_D...

Страница 158: ...C3 E6 R274 C3 E6 R275 C3 D6 R276 C4 D6 R277 C4 E7 R278 C4 E7 R279 C4 E7 R280 C4 D6 R281 C3 E6 R283 D4 E8 R284 D5 D8 R285 D5 D8 R286 D5 D8 R287 D5 E8 R288 D5 E8 R290 C2 D7 R296 H1 C8 R297 H1 D8 R330 D3 E7 R331 D5 E8 R332 D5 D8 R333 C2 C6 R334 B2 C6 R335 B4 J5 R340 D2 E6 R341 D3 D6 R342 C4 D7 R343 D4 E7 S1 F2 C6 S2 F2 C6 S3 F3 B6 S4 F4 B6 S5 F4 A6 S6 F5 A6 S7 H2 C7 S8 H2 B7 S9 H3 B7 S10 H4 A7 S11 H4...

Страница 159: ...OLTS1 VOLTS2 VOLTS3 VOLTS4 VOLTS5 VOLTS6 VOLTS0 VOLTS1 VREF2 ATTEN2 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 S9 ATTEN_M B2 4 VREF8 ATTEN8 C4 1 F4 1 B4 4 VREF9 ATTEN9 F4 2 B4 4 C2 2 F2 2 B4 4 VOLTS2 VOLTS3 VOLTS4 VOLTS5 VOLTS6 VOLTS0 VOLTS1 VOLTS2 VOLTS3 VREF3 ATTEN3 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 S10 ATTEN_M B2 4 B2 4 VOLTS2 VOLTS3 VOLTS4 VOLTS5 VOLTS6 VOLTS0 VOLTS1 VOLTS2 VOLTS3 1 16 2 15 3...

Страница 160: ... D4 E3 Q30 D4 D3 Q31 D5 C3 Q32 C1 B2 Q33 C2 A2 Q34 D2 A3 Q35 D1 B3 Q36 D1 B3 Q37 D2 A3 R50 C3 N5 R51 C3 N5 R193 C4 C2 R194 C4 D2 R195 C5 C2 R196 C5 C2 R197 C4 E2 R198 C4 E3 R199 C5 C3 R200 E4 E3 R201 D4 E3 R202 D4 E3 R203 D4 D3 R204 E4 E3 R205 E5 C3 R206 D5 C3 R207 D5 C3 R208 D5 D3 R209 E5 C3 R210 E5 C4 R211 E4 E4 R212 E5 C4 R213 E4 D4 R214 B5 C2 R215 B4 D2 R216 C4 D2 R217 D5 C3 R218 D5 C3 R219 D4...

Страница 161: ...4 10UF C152 1UF C151 1UF C237 001UF 5V 5VD VREF3 P_TEST3 P_TEST4 P_TEST5 P_TEST6 B_TEST3 B_TEST4 B_TEST5 B_TEST6 ATTEN3 ATTEN4 RELAY_DRIVER C153 1UF C219 1UF ATTEN1 H4 H4 H2 H2 2 C2 2 H4 H4 H2 H2 3 VREF1 VREF2 P_TEST1 P_TEST2 B_TEST1 B_TEST2 5VD ATTEN1 ATTEN2 RELAY J19 CONNECTS TO J18 A2 MAIN BOARD 4 5V 5V 5VD P_AND_C R232 24 3K CR45 ATTEN2 5V 5V R238 2 00K 3 2 1 8 4 U10A LM393 R231 1 00M VOLTAGE ...

Страница 162: ...2 Q27 1 C5 C2 Q28 1 D5 C3 Q29 1 D4 E3 Q30 1 D4 D3 Q31 1 D5 C3 Q32 1 C1 B2 Q33 1 C2 A2 Q34 1 D2 A3 Q35 1 D1 B3 Q36 1 D1 B3 Q37 1 D2 A3 R1 3 C4 M2 R2 3 C4 N2 R3 3 C5 L2 R4 3 C5 L2 R5 3 C4 M2 R6 3 C4 M3 R7 3 C4 L3 R8 3 E4 M3 R9 3 D4 M3 R10 3 E4 N3 R11 3 D4 M3 R12 3 E4 N3 R13 3 E5 L3 R14 3 D4 L3 R15 3 D5 L3 R16 3 E4 M3 R17 3 E5 L3 R18 3 E5 L4 R19 3 E4 M4 R20 3 F5 L4 R21 3 F4 M4 R22 3 B5 L2 R23 3 B4 M2...

Страница 163: ...5VD C217 1UF C102 1UF C101 1UF C103 1UF 5V 5VD P_AND_C C200 001UF 3 2 1 8 4 U6A LM393 R137 1 00M R138 24 3K CR27 VOLTAGE COMPARATORS 5V R119 475K C62 1UF R144 2 00K 3 2 1 8 4 U5A LF412 5V 5V C74 47UF R108 13 3K R125 1 00K R106 2 32K Q17 C59 1UF R117 20 0K CR23 NEGATIVE PEAK DETECTORS 5V 5V INPUT BUFFERS C56 47UF R127 432 R107 100K R109 76 8 Q18 R128 432 Q14 R104 2 49K C188 47UF C54 01UF R100 20 0K...

Страница 164: ...C5 L2 Q3 E5 L3 Q4 E4 N3 Q5 D4 M3 Q6 D5 L3 Q8 C1 K2 Q9 C2 J2 Q10 E2 J3 Q11 E1 K3 Q12 D1 K3 Q13 D2 J3 R1 C4 M2 R2 C4 N2 R3 C5 L2 R4 C5 L2 R5 C4 M2 R6 C4 M3 R7 C4 L3 R8 E4 M3 R9 D4 M3 R10 E4 N3 R11 D4 M3 R12 E4 N3 R13 E5 L3 R14 D4 L3 R15 D5 L3 R16 E4 M3 R17 E5 L3 R18 E5 L4 R19 E4 M4 R20 F5 L4 R21 F4 M4 R22 B5 L2 R23 B4 M2 R24 C4 M2 R25 D5 L3 R26 D5 L3 R27 E4 N3 R28 E5 M3 R29 D4 M3 R30 D4 M3 R31 C4 M3...

Страница 165: ... 1 00M R40 24 3K CR9 R44 20 0K P_AND_C VOLTAGE COMPARATORS 5V R21 475K C10 1UF R48 2 00K 3 2 1 8 4 U1A LF412 5V 5V CR5 C22 47UF R10 13 3K R27 1 00K Q4 C7 1UF R19 20 0K R8 2 32K NEGATIVE PEAK DETECTORS 5V 5V INPUT BUFFERS C4 47UF R29 432 Q5 R9 100K R11 76 8 R30 432 Q1 R6 2 49K 5V R5 649 R2 20 0K C2 01UF C184 47UF 5V C181 01UF C182 01UF RF RELAY 5V 5V 5V C183 01UF C180 01UF C179 01UF R23 1 50K 6 PRI...

Страница 166: ...ECO 422 ...

Страница 167: ...Replaceable Mechanical Parts ...

Страница 168: ......

Страница 169: ...ordered has been replaced with a new or improved part your local Tektronix Inc Field Office or representative will contact you concerning any change in part number Change information if any is located at the rear of this manual Using the Replaceable Mechanical Parts List The tabular information in the Replaceable Mechanical Parts list is arranged for quick retrieval Understanding the structure and...

Страница 170: ...ndicate 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 inden...

Страница 171: ...OSCHERT INCORPORATED 1331 CALIFORNIA CIRCLE MILPITAS CA 95035 0J4C1 TVT DIECASTING AND MFG INC 7330 SW LANDMARK LANE PORTLAND OR 97223 0KB01 STAUFFER SUPPLY 810 SE SHERMAN PORTLAND OR 97214 06666 GENERAL DEVICES CO INC 1410 S POST RD PO BOX 39100 INDIANAPOLIS IN 46239 9632 73743 FISCHER SPECIAL MFG CO 111 INDUSTRIAL RD COLD SPRING KY 41076 9749 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR PO BOX 500...

Страница 172: ...C 13 333 4150 00 1 FRONT PANEL FRONT PANEL ECO422 MOUNTING PARTS 80009 333415000 14 211 0324 00 10 SCR ASSEM WSHR 4 40 X 0 188 PNH SST PASS T 9 TORX DR MACHINE END MOUNTING PARTS 0KB01 ORDER BY DESC 15 1 CKT BD ASSY FRONT PANEL SEE A1 REPL 16 1 POWER SUPPLY SWITCHING AUTO IN 85 264VAC 47 440HZ OUT 5VDC 5A 15V2A 15V 0 5A SEE A4 REPL MOUNTING PARTS 17 211 0324 00 3 SCR ASSEM WSHR 4 40 X 0 188 PNH SS...

Страница 173: ...O422 MANUAL TECH INSTRUCTION EC0422 80009 80009 80009 441415000 063182800 070847201 35 351 0859 00 1 TRK SL OUT SECT STATIONARY INTERMEDIATE SAFETY CONTROLLED 06666 CC3442 99 0005 36 161 0216 00 161 0215 00 161 0066 10 161 0066 11 161 0154 00 1 1 1 1 1 CABLE ASSY PWR 3 18 AWG 2 5M L BLACK STANDARD ONLY OPTIONAL ACCESSORIES CABLE ASSY PWR 3 0 75MU 2 5MM L GREY EUROPEAN OPTION A1 ONLY CA ASSY PWR 3 ...

Страница 174: ...Replaceable Mechanical Parts 11 6 ECO 422 ...

Страница 175: ......

Страница 176: ...ECO 422 A1 FIG 1 EXPLODED VIEW A2 A3 A4 ...

Страница 177: ......

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