Tektronix 1760 - Manual - manualsarea.com

Page 3 - WARRANTY

WARRANTY Tektronix warrants that this product will be free from defects in materials andworkmanship for a period of three (3) years from the date of shipment. If anysuch product proves defective during this warranty period, Tektronix, at itsoption, either will repair the defective product without ch...

Page 5 - General Safety Summary; Only qualified personnel should perform service procedures.; To Avoid Fire or Personal Injury; Use Proper Power Cord

i 1760 Series Component Waveform/Vector Monitor User Manual General Safety Summary Review the following safety precautions to avoid injury andprevent damage to this product or any products connected toit. To avoid potential hazards, use this product only as speci-fied. Only qualified personnel shoul...

Page 6 - Safety Terms and Symbols; Warning statements identify conditions or practices

General Safety Summary 1760 Series Component Waveform/Vector Monitor User Manual ii The common terminal is at ground potential. Do not connectthe common terminal to elevated voltages. Do Not Operate Without Covers. Do not operate this product with covers or panels removed. Use Proper Fuse. Use only ...

Page 7 - Caution statements identify conditions or practices; These terms may appear on the; These symbols may appear on

General Safety Summary iii 1760 Series Component Waveform/Vector Monitor User Manual CAUTION. Caution statements identify conditions or practices that could result in damage to this product or other property. Terms on the Product. These terms may appear on the product: DANGER indicates an injury haz...

Page 9 - TABLE OF CONTENTS; Introduction

1760 Series Component Waveform/Vector Monitor User Manual v TABLE OF CONTENTS Introduction Product Description 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . Features 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Options 1-5 . . . . . . . . . . . . . . . . . . . ...

Page 10 - Getting Started

Table of Contents 1760 Series Component Waveform/Vector Monitor User Manual vi Getting Started At A Glance 2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Front-Panel Controls 2-1 . . . . . . . . . . . . . . . . . . . . . . Rear-Panel Connectors 2-8 . . . . . . . . . . . . ...

Page 11 - Making Measurements

Table of Contents 1760 Series Component Waveform/Vector Monitor User Manual vii Filter Menu 3-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cursor Menu 3-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Waveform Cursor Control 3-11 . . . . . . . . . . . . . . . . Vector...

Page 12 - Appendices

Table of Contents 1760 Series Component Waveform/Vector Monitor User Manual viii Chroma Bandwidth 4-8 . . . . . . . . . . . . . . . . . . . . . Differential Phase and Gain 4-8 . . . . . . . . . . . . . . Making SCH Phase Measurements 4-9 . . . . . . . . . NTSC 4-9 . . . . . . . . . . . . . . . . . ....

Page 13 - LIST OF FIGURES

1760 Series Component Waveform/Vector Monitor User Manual ix LIST OF FIGURES Figure 2-1 Multi-Use Bezel Controls and Buttons. 2-2 . . . . . . Figure 2-2 1760 Front Panel 2-3 . . . . . . . . . . . . . . . . . . . . . Figure 2-3 1760 --Series Rear Panel 2-10 . . . . . . . . . . . . . . . . Figure 2-4 ...

Page 15 - Preface; User Manual

1760 Series Component Waveform/Vector Monitor User Manual xi Preface This user manual is one of a set of two manuals that document theTektronix 1760-Series Component Waveform/Vector monitors. Topurchase a service manual, please refer to “Contacting Tektronix” onPage xiv for address and phone number ...

Page 16 - Service Manual; Topics covered in the service manual are as follows:

Preface 1760 Series Component Waveform/Vector Monitor User Manual xii Service Manual Topics covered in the service manual are as follows: Specifications Operating Information Theory of Operation Performance Verification Adjustment Procedures Maintenance Options Electrical Parts List Diagrams Mechani...

Page 18 - Contacting Tektronix; Phone

Preface 1760 Series Component Waveform/Vector Monitor User Manual xiv Contacting Tektronix Phone 1-800-833-9200 * Address Tektronix, Inc.Department or name (if known)14200 SW Karl Braun DriveP.O. Box 500Beaverton, OR 97077USA Web site www.tektronix.com Salessupport 1-800-833-9200, select option 1 * ...

Page 21 - Product Description; The following products are available:; Applications

1760 Series Component Waveform/Vector Monitor User Manual 1-1 Product Description The 1760-- Series Component Waveform/Vector monitorsdisplay component signal channels two ways: in parade andoverlay modes and as component color vectors. A compo-nent picture monitor output is provided for display on ...

Page 22 - Features; Description of Features; Menu

Product Description 1-2 1760 Series Component Waveform/Vector Monitor User Manual Features H Component and composite waveform monitoring. H Lightning display. H Composite vector display. H Menu-assisted operation allows more features. H Assignable cursors for time and voltage. H Picture monitor mode...

Page 23 - erator selects a menu item, such as; shows the current function of the controls.; menu also provides a choice of four; CRT; More Information; Instrument options are listed on page 1-5.

Product Description 1760 Series Component Waveform/Vector Monitor User Manual 1-3 erator selects a menu item, such as VOLTAGE/TIMING CUR- SORS , VARIABLE GAIN , or LINE SELECT , an on-screen label shows the current function of the controls. Instrument configurations such as dc restorer speed andclam...

Page 25 - Options; Option SC; Option A1

1760 Series Component Waveform/Vector Monitor User Manual 1-5 Options Options available for the 1760-- Series include SCH phasemeasurement, white phosphor CRT and power cord options.Field upgrade kits listed in this section can also be used withthese monitors. Option SC The 1760-- Series can be orde...

Page 26 - CRT Options

Options 1-6 1760 Series Component Waveform/Vector Monitor User Manual Option A4. Power, North America, 250V/10 A (Power Cord) Option A5. Power, Swiss, 240 V/6 A (Power Cord) CRT Options The standard instrument is shipped with a P31 (green) phos-phor CRT installed. If Option 74 is ordered, the instru...

Page 27 - Accessories; Standard Accessories; These accessories are included with the product:; Optional Accessories

1760 Series Component Waveform/Vector Monitor User Manual 1-7 Accessories Standard Accessories These accessories are included with the product: 1 Manual, user: 1760-- Series (070-- 8473-- XX) 1 Cable assembly, power: United States and Japanonly (161-- 0216-- XX) 1 Cable assembly, power: all other co...

Page 28 - Field Upgrade Kits; — This plain metal half-rack size

Accessories 1-8 1760 Series Component Waveform/Vector Monitor User Manual Field Upgrade Kits 1700F00 Plain Cabinet — This plain metal half-rack size cabinet is painted silver-gray. Ventilating holes in top,bottom, and sides of the cabinet allow heat generated withinthe instrument to dissipate. 1700F...

Page 29 - Installation; Unpacking; Check that the following accessory items are included:; Packaging for Shipment

1760 Series Component Waveform/Vector Monitor User Manual 1-9 Installation Unpacking Save the shipping carton and packing materials (includinganti-static bag) in case it becomes necessary to ship theinstrument to a Tektronix Service Center for service or repair. Accessories Check that the following ...

Page 30 - Electrical Installation; Power Source

Installation 1760 Series Component Waveform/Vector Monitor User Manual 1-10 2. Package the instrument in the original packaging materi-als. If the original packaging materials are not available,follow these directions: a. Obtain a carton of corrugated cardboard havinginside dimensions six or more in...

Page 31 - WARNING; switch is set to; Mains Frequency and Voltage Range; tor. It provides the input for; Operational Changes; selections and other similar

Installation 1760 Series Component Waveform/Vector Monitor User Manual 1-11 WARNING When power is supplied, line voltage will bepresent in the instrument, even if the POWER switch is set to STANDBY. Mains Frequency and Voltage Range The 1760-- Series monitors operate at 50 and 60 Hz, over therange o...

Page 32 - Mechanical Installation; Cabinets; Custom Installation

Installation 1760 Series Component Waveform/Vector Monitor User Manual 1-12 Mechanical Installation All qualification testing was performed with a Tektronix1700F00 cabinet installed. To guarantee compliance withspecifications, operate the instrument in a cabinet or rack-mount adapter. The Tektronix ...

Page 33 - Rackmounting

Installation 1760 Series Component Waveform/Vector Monitor User Manual 1-13 Rackmounting The 1760-- Series monitors are half-rack width and three rackunits high. They require approximately three inches of rearclearance for power cord and cable connections, and 20 in-ches in front of a rack for insta...

Page 35 - Instrument Configuration; Instructions for using these menus begin on page 3-20.

1760 Series Component Waveform/Vector Monitor User Manual 1-15 Instrument Configuration Focus, scale illumination, signal intensity, readout intensity,and trace rotation are set through the CRT menu. Several instrument operating parameters can be set throughthe CONFIG menu. Instructions for using th...

Page 39 - At A Glance; turns the instrument on or to standby; Instrument Reset; Turn off instrument power.

1760 Series Component Waveform/Vector Monitor User Manual 2-1 At A Glance Front-Panel Controls This overview of front-panel controls refers to Figure 2-2. Controls --- Switches --- LEDs H All front-panel controls are the continuous actiontype, and all front-panel buttons are push and releasetoggle s...

Page 40 - Depress and hold the; and; The center three controls located under the; have; Bezel

At A Glance 1760 Series Component Waveform/Vector Monitor User Manual 2-2 H Depress and hold the CLEAR MENU and WAVEFORM buttons while you turn instrument power on again.Hold both buttons in until the instrument returns toits normal operating state. H If this reset does not unlock the controls, cont...

Page 42 - POSITION

At A Glance 1760 Series Component Waveform/Vector Monitor User Manual 2-4 POSITION H VERT POS allows the signal display to be moved vertically. Offsets for channels A2/A3 and B2/B3are enabled through the CONFIGURE menu. H HORIZ POS allows the signal display to be moved horizontally. DISPLAY H WAVEFO...

Page 43 - SWEEP; DC REST; REF; INPUT

At A Glance 1760 Series Component Waveform/Vector Monitor User Manual 2-5 H TIME CODE provides monitoring of longitudinal time code in a frame-rate display. H MULTIPLE allows simultaneous selection of WAVE- FORM and VECTOR DISPLAY modes. SWEEP Sweep buttons are used to select the waveform sweep rate...

Page 44 - MENU

At A Glance 1760 Series Component Waveform/Vector Monitor User Manual 2-6 H Without PARADE or OVERLAY selected, only one input selection can be made at a time. Each input channelbutton (including A123 / B123 ) toggles between A and B , and is cancelled when another input button is pressed. H With PA...

Page 46 - Rear-Panel Connectors; Outputs

At A Glance 1760 Series Component Waveform/Vector Monitor User Manual 2-8 Rear-Panel Connectors The following is an overview of rear-panel connectors.Figure 2-3 shows the 1760-- Series rear panel. Loop-Through Inputs H INPUTS A, A1, A2, A3, B, B1, B2 , and B3 are passive loop-through video inputs, c...

Page 47 - Fuse; The; plug is a standard ac plug receptacle; Fan Filter

At A Glance 1760 Series Component Waveform/Vector Monitor User Manual 2-9 Fuse H The instrument’s mains fuse should be replaced onlywith a 250V, 2A, F-type cartridge fuse. A replace-ment fuse is included with the instrument. AC Power H The AC POWER plug is a standard ac plug receptacle for 120 or 24...

Page 48 - PI

At A Glance 1760 Series Component Waveform/Vector Monitor User Manual 2-10 A A1 A2 A3 DI E IN D IE SE M G ER AT EN TS TE H ENDE R OHT GE NST R AHL UNG IS T B ESC HL EUNI GUNGSP ANNUNG KL EI NE R A LS 20 K V. AUSR EI C HE ND AB GE SC HI R M T. B B1 B2 B3 W ARNI NG TO AV OID EL ECT R IC AL SHO C K, TH...

Page 49 - Operator’s Checkout; Before proceeding, read; Required Equipment; Television Signal Generator with:

1760 Series Component Waveform/Vector Monitor User Manual 2-11 Operator’s Checkout Procedure Before proceeding, read At A Glance starting on page 2-1. This procedure is designed for operator familiarization andfor checking basic instrument operation (not measurementquantities or specifications). All...

Page 50 - Initial Equipment Connections

Operator’s Checkout Procedure 1760 Series Component Waveform/Vector Monitor User Manual 2-12 Initial Equipment Connections H Connect the 1760-- Series to an appropriate AC powersource. H Connect the generator NTSC output (COMPOSITE forTSG131) to the CH-A input. Connect the CH-A loop-through to the E...

Page 51 - Procedure; Initialize the Front-Panel Controls

Operator’s Checkout Procedure 1760 Series Component Waveform/Vector Monitor User Manual 2-13 Procedure 1. Initialize the Front-Panel Controls Enter the PRESET menu and select FACTORY . Press the bezel button corresponding to RECALL . The front-panel controls are now set to the factory preset (descri...

Page 53 - Check Gain

Operator’s Checkout Procedure 1760 Series Component Waveform/Vector Monitor User Manual 2-15 4. Check Gain The 1760-- Series internal calibrator can be used to checkinstrument calibration. Select CH-A input and set the genera- tor for NTSC Color Bars output (COMPOSITE for PAL). Enter the configurati...

Page 54 - Gain Control

Operator’s Checkout Procedure 1760 Series Component Waveform/Vector Monitor User Manual 2-16 5. Gain Control There are three calibrated vertical gain settings available ( X1 , X5 , and X10 ), as well as an independent variable gain control. Enter the GAIN menu and select X5 . Note that X5 is outline...

Page 56 - Filter Selection

Operator’s Checkout Procedure 1760 Series Component Waveform/Vector Monitor User Manual 2-18 8. Filter Selection The 1760-- Series offers several filter selections for thewaveform display. Ensure that the instrument is operating in waveform mode.Enter the FILTER menu ( FLAT is selected by the factor...

Page 60 - Line Selection

Operator’s Checkout Procedure 1760 Series Component Waveform/Vector Monitor User Manual 2-22 9. Line Selection Line select is available in WAVEFORM, VECTOR, SCH , and PICTURE display modes. Enter the LINE SELECT menu and turn the center bezel control until the readout displays ALL 131 . In a two lin...

Page 61 - Vectorscope Display; Picture Monitor Display

Operator’s Checkout Procedure 1760 Series Component Waveform/Vector Monitor User Manual 2-23 10. Vectorscope Display Select VECTOR display mode. Adjust the right bezel control to place the burst vector on the 180 ° graticule line. The display should appear similar to Figure 2-14. 11. Picture Monitor...

Page 64 - Lightning Display

Operator’s Checkout Procedure 1760 Series Component Waveform/Vector Monitor User Manual 2-26 VECTOR PHASE Figure 2-18. PAL SCH display. 14. Lightning Display For a Lightning display, select the Y, B-- Y, R-- Y format onthe signal generator. Enter the CONFIG menu and select FORMAT . Select the proper...

Page 66 - This concludes the

Operator’s Checkout Procedure 1760 Series Component Waveform/Vector Monitor User Manual 2-28 15. Bowtie Display For a Bowtie display, select the Channel Timing signal fromthe generator. Select BOWTIE display mode on the 1760-- Se- ries. The display should appear similar to Figure 2-21.Information on...

Page 67 - Operation Basics

Page 69 - Functional Overview; Display Modes; Vector

1760 Series Component Waveform/Vector Monitor User Manual 3-1 Functional Overview The Functional Overview describes instrument functions in greater detail than At A Glance. For menu operation, refer to page 3-7. Detailed Measurement procedures are given in Basic Measurements, beginning on page 4-1. ...

Page 70 - Waveform; Audio

Functional Overview 1760 Series Component Waveform/Vector Monitor User Manual 3-2 SCH (Option SC Only) SCH provides a vector display of the subcarrier-to-horizontal- sync phase relationship. The burst vector and the phase ofthe 50% point of the leading edge of sync are displayed. Subcarrier-to-horiz...

Page 71 - Lightning; Diamond; NOTE

Functional Overview 1760 Series Component Waveform/Vector Monitor User Manual 3-3 Lightning The front-panel LIGHTNING button is used for both the Light- ning display and the Diamond display. For Lightning dis-play, use the CONFIG—FORMAT menu (page 3-21) to set the DISPLAY to LIGHTNING and select the...

Page 72 - Bowtie; Picture

Functional Overview 1760 Series Component Waveform/Vector Monitor User Manual 3-4 Bowtie In BOWTIE mode, the display is forced to a two line or field sweep and A123 input is selected. The left half of the dis-play shows CH-1 minus CH-2 and the right half shows CH-1minus CH-3. If the timing between c...

Page 73 - Displaying a Signal; Inputs; Parade

Functional Overview 1760 Series Component Waveform/Vector Monitor User Manual 3-5 Displaying a Signal Inputs There are eight rear-panel loop-through inputs, which mayeliminate the need for an external routing switcher. The in-puts can be displayed singly or in combination. Without PARADE or OVERLAY ...

Page 74 - Overlay; Sweep; Two line magnified = 1

Functional Overview 1760 Series Component Waveform/Vector Monitor User Manual 3-6 Overlay OVERLAY superimposes the selected input signals. In OVER- LAY mode, the LINE/FIELD button remains a four-way toggle, providing one line, two line, one field, and two field dis-plays. Sweep Sweep buttons are use...

Page 75 - Using the Menus; General Menu Information; Multi -Use Bezel Controls and Buttons; Moving Between Menus

1760 Series Component Waveform/Vector Monitor User Manual 3-7 Using the Menus General menu information here is followed by detailedinformation about each menu: FILTER, CURSOR, LIN SEL, PRESET, CONFIG, GAIN and CRT. To set instrument operating parameters, see CONFIG and CRT menu information. General ...

Page 76 - Clear Menu; Push; to clear part of the menu display, but leave; menus will be exited completely; Exiting a Menu Function

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-8 Clear Menu Push CLEAR MENU to clear part of the menu display, but leave essential readout elements such as control assignments andmeasurement readouts. (The menu LED remains lighted toshow this state.) Push the menu button...

Page 77 - Filter Menu

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-9 Filter Menu The FILTER menu is available for WAVEFORM mode only. Note that the instrument must be in WAVEFORM mode to ac- cess the R-- Y displays. When the FILTER button is pushed in WAVEFORM mode, an on-screen menu allows...

Page 78 - Cursor Menu; Vector Cursor Control

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-10 Cursor Menu Press the CURSOR menu button to enter the cursor menu. Cursors are available in composite and component operationfor VECTOR, WAVEFORM, and VECT+WFM DISPLAY modes. Vector Cursor Control In VECTOR display mode, ...

Page 79 - Waveform Cursor Control

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-11 Waveform Cursor Control In WAVEFORM display mode, the bezel buttons are used to select timing cursors (TIME), voltage cursors (VOLT) , both voltage and timing (V+T), or markers (MARK). The Wave- form cursor menu is shown ...

Page 81 - Using the Cursors; With Vector Display; Polar Cursors

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-13 Vector + Waveform (Multiple) If MULTIPLE is pressed and both VECTOR and WAVEFORM dis- plays are selected, menus for all cursor types will be dis-played. See Figure 3-4. All cursor functions are available inthis mode (the ...

Page 82 - Markers

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-14 When the gain or position of the signal is changed, the polarcursors maintain their relationship with the signal. When CLEAR MENU is pressed, the POLAR / MARK choice on the right side of the screen will be removed, but th...

Page 83 - With; Voltage Cursors

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-15 With Waveform Display Voltage Cursors can be used to make accurate signal ampli- tude measurements. With VOLT selected, use the left bezel control to position the VOLT1 cursor at the upper excursion of signal to be measur...

Page 84 - Line Select Menu

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-16 Line Select Menu Pushing the LIN SEL menu button enables the line select mode and provides a menu display. The center bezel control isassigned to select the line number. The following choicescan be made using the bezel bu...

Page 85 - Readout; Line Select Functions

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-17 When bezel buttons corresponding to NEXT FIELD, ALT 2 FIELD , or ALT 4 FIELD are pushed, a box flashes momentarily around the on-screen label toverify that the selection has been made. Readout The line select readout (in ...

Page 86 - Preset Menu; internal; menu button to access the on-screen menu,; When a bezel button is pushed, a box flashes momen-

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-18 Preset Menu The 1760-- Series has 10 presets capable of storing front-panelsetups. Nine of the presets are user-programmable and one isfactory pre-programmed. Factory-programmed setup: WAVEFORM DISPLAY, CH-A INPUT, DC RES...

Page 87 - Recall

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-19 Recall Use the left bezel control to select (outline) a preset for re-call. Push RECALL to recall the stored instrument configura- tion. Recover Push RECOVER to restore the front-panel setup that was in effect before RECA...

Page 88 - Configure Menu

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-20 Configure Menu Push the CONFIG button to display the configure menu, shown in Figure 3-6. Turn the left bezel control to select INPUT, VECTOR, FORMAT, STANDARD, OFFSET, CALIBRATE,REMOTE , or REFERENCE (a box appears aroun...

Page 89 - FORMAT

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-21 H A123 — and B123 — When COMPOSITE is se- lected, the instrument’s internal reference is theinput channel currently selected for display. For COMPONENT, the internal reference is A1 when A123 is selected, and B1 when B123...

Page 90 - Valid FORMAT selections.; STANDARD

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-22 Table 3-1 . Valid FORMAT selections. 525/60 625/50 BARS SETUP FORMAT GBR SMPTE / EBUBETAM II GBR SMPTE / EBUBETA M II • • 75% 100% • • • • • • • • • • • • • • Y N • • • • • [2] [3] • • • • 75% 100% Y N [1] 75% or 100% Bar...

Page 91 - OFFSET

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-23 OFFSET H The VERTICAL POSITION control normally positions all channels together. When OFFSET is enabled, the bezel controls can be used to offset input channels 2 ( A or B ) and 3 ( A or B ) with respect to channel 1 ( A ...

Page 92 - CAL SIG ON; GAIN CAL ON

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-24 CALIBRATE These choices are offered when CALIBRATE is selected: H CAL SIG — Turns the 1 V internal calibrator signal on/off. H GAIN CAL — Turns on the gain calibration adjust- ment on/off. Additional choices appear when C...

Page 93 - REFERENCE

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-25 and RESET VCAL cancels any vertical gain adjust- ments; the instrument returns to the factory cali-brated gain settings. H In vector mode, the center bezel control adjusts thevector signal gain. Once gain has been adjuste...

Page 94 - Gain Menu

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-26 H If NTSC and PAL external references are configuredthe same, the monitor automatically operates in thesame television standard as the EXT REF input. When NTSC and PAL external references areconfigured differently, the mo...

Page 95 - CRT Menu

Using the Menus 1760 Series Component Waveform/Vector Monitor User Manual 3-27 CRT Menu The following choices are available: H DISPLAY is used for signal and etched graticule adjust- ments. When DISPLAY is selected, the left bezel control adjusts the signal focus (FOCUS), the center bezel control ad...

Page 97 - Remote Operation; Using Presets through the Remote

1760 Series Component Waveform/Vector Monitor User Manual 3-29 Remote Operation The 25-pin rear-panel REMOTE connector is a subminiature D -type connector. It accepts the input for RGB/YRGB stair- case, external horizontal, remote sync external blanking, timecode, and Left and Right audio. TTL signa...

Page 101 - Basic Measurements; Waveform Graticule; Horizontal Scale; iv

1760 Series Component Waveform/Vector Monitor User Manual 4-1 Basic Measurements Basic Measurements contains 1760-- Series graticule descrip- tions, followed by specific measurement procedures. This monitor uses an internal graticule, which combines wa-veform and vector markings. The internal gratic...

Page 102 - NTSC Vertical Scales; Black level setup is denoted by a dashed line at 7.5 IRE.

Basic Measurements 1760 Series Component Waveform/Vector Monitor User Manual 4-2 NTSC Vertical Scales The NTSC graticule is shown in Figure 4-1. The left side ofthe graticule is scaled in IRE units and extends from -- 50 to+120 IRE in 10 IRE increments. A mV scale has been addedto the right side of ...

Page 103 - PAL Vertical Scale; Component signals can be centered on the .35 V line.; Dual -Standard Vertical Scale

Basic Measurements 1760 Series Component Waveform/Vector Monitor User Manual 4-3 PAL Vertical Scale The PAL graticule is shown in Figure 4-2. On the left side ofthe PAL graticule is a voltage scale that extends from 0 to1.2 V. The graticules are also marked for K-- Factor toler-ances and linear-dist...

Page 104 - Dual-Standard Graticule Scales

Basic Measurements 1760 Series Component Waveform/Vector Monitor User Manual 4-4 ular standard used. On-screen arrows point to the graticulescale (left side or right side) that is calibrated for the presentoperating mode, as defined in Table 4-- 1. Table 4 --- 1. Dual-Standard Graticule Scales APPLI...

Page 105 - Making Waveform Measurements; Horizontal Sync Amplitude; K-Factor Measurements

Basic Measurements 1760 Series Component Waveform/Vector Monitor User Manual 4-5 Making Waveform Measurements Horizontal Sync Amplitude The vertical scale at sync tip (40 IRE NTSC or -- 0.3 V PAL)provides ± 2 and ± 4 IRE ( ± 2 and ± 4 mV) for measuring sync amplitude. Align the blanking level of a c...

Page 106 - Vector Graticule

Basic Measurements 1760 Series Component Waveform/Vector Monitor User Manual 4-6 To measure the K -- Factor line-time distortion, measure the largest deviation of the bar top (tilt or rounding) within thestructure. The solid outer box equals a 4% K-- Factor, whilethe dashed line inner box equals a 2...

Page 109 - Making Vector Measurements; Chroma Bandwidth

Basic Measurements 1760 Series Component Waveform/Vector Monitor User Manual 4-9 Making Vector Measurements Chroma Bandwidth The horizontal and vertical axes of the vector graticule con-tain markings for checking chroma bandwidth. A subcarrierfrequency sine wave (whose amplitude places it on the out...

Page 110 - Making SC/H Phase Measurements

Basic Measurements 1760 Series Component Waveform/Vector Monitor User Manual 4-10 Making SC/H Phase Measurements (Option SC Only) The SC/H display provides a vector display of the subcarrier- to-horizontal-sync phase relationship. The burst vector andthe phase of the 50% point of the leading edge of...

Page 112 - PAL

Basic Measurements 1760 Series Component Waveform/Vector Monitor User Manual 4-12 PAL The 1761 uses a series of dots around the compass rose witha single dot in a blanked area to denote sync (see Figure 4-8).Place the burst vector at 0 ° , align the burst vectors with the graticule markings, and rea...

Page 115 - Making Audio Measurements; Audio gain is set from the; when; display is

Basic Measurements 1760 Series Component Waveform/Vector Monitor User Manual 4-15 Making Audio Measurements An audio signal with no phase error appears as a straight lineextending from the audio box in the upper right corner of thegraticule to the box in the lower left. A signal with phaseerror appe...

Page 116 - Lightning Measurements

Basic Measurements 1760 Series Component Waveform/Vector Monitor User Manual 4-16 Lightning Measurements The Lightning display gives indication of absolute and rela-tive amplitudes and relative timing of the three components.For a Lightning display, apply color-difference signals (Y, P B and P R ) t...

Page 117 - Amplitude Measurements

Basic Measurements 1760 Series Component Waveform/Vector Monitor User Manual 4-17 For better viewing of Lightning displays, the GAIN menu and X5 can be selected. Press CLEAR MENU to clear the GAIN menu readout. Since the graticule is electronically gener-ated, the calibration is not altered by X5 ga...

Page 119 - Using the Diamond Display; To obtain a

Basic Measurements 1760 Series Component Waveform/Vector Monitor User Manual 4-19 Using the Diamond Display The 1760-- Series internally transcodes the color-differenceformats to GBR for the Diamond display. This display al-lows easy evaluation of the GBR signal for gamut limitviolations. To obtain ...

Page 121 - Using the Bowtie Display; button. A two-line display of component signals will be

Basic Measurements 1760 Series Component Waveform/Vector Monitor User Manual 4-21 Using the Bowtie Display When used with the Bowtie signal, the Bowtie display is ahigh-resolution timing indicator. Route a Bowtie test signal from the generator, through theequipment under test, and connect to the 176...

Page 123 - Time Code Display; Low amplitude or noisy time code signal.; The display should be a stable square wave.

Basic Measurements 1760 Series Component Waveform/Vector Monitor User Manual 4-23 Time Code Display Linear Time Code, also known as Longitudinal Time Code(LTC), is an 80-bit signal with information which makes itpossible to accurately identify an individual frame of re-corded video. LTC is typically...

Page 125 - Calibration; Adjusting Instrument Gain; Set Vertical Gain

1760 Series Component Waveform/Vector Monitor User Manual 4-25 Calibration Instrument gain may require readjustment for special moni-toring applications. To prevent erroneous measurements,gain should be adjusted only by qualified personnel. Normalinstrument calibration, performance verification, and...

Page 126 - Set Horizontal Gain

Calibration 4-26 1760 Series Component Waveform/Vector Monitor User Manual Set Horizontal Gain 1. To set horizontal gain, push the CONFIG menu button. Select CALIBRATE , then CAL SIG ON and 100 KHZ . Select GAIN CAL ON . a. In 1 LINE SWEEP (5 µ s/div), adjust the HORIZ CAL control for one-half cycle...

Page 129 - Appendix A; Performance Requirement; RI; Reliability

A-1 1760 Series Component Waveform/Vector Monitor User Manual Appendix A Performance Specification The specification tables use the following abbreviations. Performance Requirement (Req) . All performance require- ments in the specification tables are identified with Req, and can be assured by compl...

Page 130 - Electrical Specifications

Appendix A: Performance Specification A-2 1760 Series Component Waveform/Vector Monitor User Manual Electrical Specifications Table A- 1: Waveform Vertical Deflection CATEGORY DESCRIPTION Deflection Factor Req: 1 V full scale (X1): 1 volt input displayed with-in 1% of 140 IRE (1.00 V PAL) X5 Gain: 0...

Page 134 - Table A- 3: Waveform Horizontal Deflection

Appendix A: Performance Specification A-6 1760 Series Component Waveform/Vector Monitor User Manual Table A- 3: Waveform Horizontal Deflection CATEGORY DESCRIPTION Sweep Req: Synchronization: Sweep triggered by horizon-tal and vertical sync pulses RI: Sweep Length: ≈ 12 divisions RI: Sweep freeruns ...

Page 142 - Table A- 17: Environmental Characteristics

Appendix A: Performance Specification A-14 1760 Series Component Waveform/Vector Monitor User Manual Table A- 17: Environmental Characteristics CATEGORY DESCRIPTION Operating Temperature Req: 0 ° to 50 ° C (+32 ° to 122 ° F) Storage Temperature Req: --40 ° to 75 ° C (--40 ° to 158 ° F) Operating Alt...

Page 143 - Certifications and Compliances; Table A - 19: Certifications and compliances

Appendix A: Performance Specification A-15 1760 Series Component Waveform/Vector Monitor User Manual Certifications and Compliances Table A - 19: Certifications and compliances CATEGORY STANDARDS OR DESCRIPTION EC Declaration ofConformity -- EMC 1 Meets intent of Directive 89/336/EEC for Electromagn...

Page 147 - Appendix B; Remote Connector; Function

1760 Series Component Waveform/Vector Monitor User Manual B-1 Appendix B Remote Connectors The rear-panel remote connector is a 25-pin sub miniatureD-type with female contacts. Table B-1 shows pin assign-ments and Figure B-1 shows the connector. Remote Connector 1 13 14 25 ! REMOTE Figure B-1. Rear ...

Page 148 - Miscellaneous Information

Appendix B: Remote Connectors 1760 Series Component Waveform/Vector Monitor User Manual B-2 Table B-1. Remote Pin Functions and Signal Requirements. (Cont.) Pin No. Miscellaneous Information Signal Requirement Function 5 Remote SyncInput TTL level square wavetriggers a 2-field ratesweep. 30/90 Hz fo...

Page 150 - Remote Connector Converter; Remote Plug

Appendix B: Remote Connectors 1760 Series Component Waveform/Vector Monitor User Manual B-4 Remote Connector Converter If the 1760-- Series is used as a direct replacement for a1740-- Series or 1750-- Series instrument, construct an adapteror rewire the remote cable according to Figure B-2. If the17...

Page 153 - Appendix C; Cleaning or Replacing the Fan Filter; The filter part number is shown on page 1-7.; Fuse Replacement

1760 Series Component Waveform/Vector Monitor User Manual C-1 Appendix C User Service This section contains instructions for user and preventivemaintenance. If the instrument does not function properly, itshould be referred to qualified service personnel or returnedto Tektronix for service. Packagin...

Page 154 - Graticule Light Replacement; Replacement Bulbs; CAUTION

Appendix C: User Service 1760 Series Component Waveform/Vector Monitor User Manual C-2 Graticule Light Replacement Replacement Bulbs Replacement bulbs are supplied with this instru-ment as Standard Accessories. Additional bulbscan be purchased from Tektronix or from localelectronics distribution sou...

Page 156 - Cleaning; Exterior

Appendix C: User Service 1760 Series Component Waveform/Vector Monitor User Manual C-4 Cleaning The instrument should be cleaned often enough to preventdust and dirt from accumulating. Dirt acts as a thermal insu-lator, preventing effective heat dissipation, and can also pro-vide high-resistance ele...

Page 157 - Replacing the CRT Filter; Remove the five knobs below the CRT.

Appendix C: User Service 1760 Series Component Waveform/Vector Monitor User Manual C-5 CAUTION A 2% RMA flux content solder is recommended formaking repairs in this instrument. Cleaning ofrosin residue is not recommended. Most cleaningsolvents tend to reactivate the rosin and spread itunder componen...

Page 159 - Appendix D

1760 Series Component Waveform/Vector Monitor User Manual D-1 Appendix D Software Version Table D-1. Software Releases Ver- sion Date Serial No. Mod No. Comments 2.1 APR1993 B010100 Original software 2.2 OCT1993 New features: On-screen field sweepindication. Configure menu selectionfor RGB Parade di...

Page 161 - Glossary

Page 164 - Blanking Level

Glossary G-2 1760 Series Component Waveform/Vector Monitor User Manual Black Burst (PAL) Also called “color black,” black burst is a composite video signal consisting of all horizontaland vertical synchronization information and burst. Typical-ly used as the house reference synchronization signal in...

Page 167 - Frame

Glossary 1760 Series Component Waveform/Vector Monitor User Manual G-5 Frequency Modulation (FM) is the process by which the frequency of a carrier signal is varied in proportion to thesignal of interest. In both the NTSC and PAL television sys-tems, audio information is transmitted using FM. Frame ...

Page 168 - Horizontal Sync

Glossary G-6 1760 Series Component Waveform/Vector Monitor User Manual Horizontal Sync Horizontal sync is the -- 40 IRE pulse in NTSC systems (-- 300 mV pulse for PAL systems) occurringat the beginning of each line. This pulse signals the picturemonitor to go back to the left side of the screen and ...

Page 169 - FM

Glossary 1760 Series Component Waveform/Vector Monitor User Manual G-7 Modulated (PAL) When referring to television test sig- nals, this term implies that chrominance information is pres-ent. (For example, a modulated staircase has subcarrier oneach step.) Modulation A process which allows signal in...

Page 171 - Synchronous Detection

Glossary 1760 Series Component Waveform/Vector Monitor User Manual G-9 Synchronous Detection A demodulation process in which the original signal is recovered by multiplying themodulated signal with the output of a synchronous oscillatorlocked to the carrier. Termination In order to accurately send a...

Page 172 - Waveform Monitor

Glossary G-10 1760 Series Component Waveform/Vector Monitor User Manual Waveform Monitor A specialized oscilloscope that plots voltage versus time to evaluate television signals. Y Abbreviation for luminance. Y, I , Q The set of CAV signals specified for the NTSC sys- tem; Y is the luminance signal,...

Page 173 - Index