Page 1 Instruction Manual 1710J Series Waveform Monitors (S/N B040000 and above) 070-9673-03 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.
Page 2 Copyright Tektronix, Inc. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. Tektronix, Inc., P.O. Box 500, Beaverton, OR 97077...
Page 3 Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located.
Page 5 Table of Contents General Safety Summary ........Injury Precautions .
Page 6 Table of Contents Theory of Operation Overview ............5–1 Block Diagram .
Page 7 Table of Contents HV Osc and Error Amp ........5–19 Power Supply Outputs .
Page 8 Table of Contents Preliminary Setup ..........7–3 +5 Adjust .
Page 9 Table of Contents Power Supply Troubleshooting ........8–22 Power Supply Troubleshooting Procedure .
Page 10: Table Of Contents
Table of Contents List of Figures Figure 1–1: REMOTE connector showing the RGB/YRGB functions ..........1–4 Figure 1–2: A Waveform Monitor installed in program and house sync lines...
Page 11 Table of Contents Figure 5–1: Simplified representation of a 1710J-Series Waveform Monitor ..........5–1 Figure 5–2: Simplified block diagram of the sync stripper .
Page 12 Table of Contents Figure 8–9: Circuit board assembly locations ....8–18 Figure 8–10: Multiple pin connectors ......8–20 Figure 8–11: Repackaging a 1710J-Series Waveform Monitor .
Page 13 Table of Contents List of Tables Table 1–1: Front Panel Controls ......1–13 Table 4–1: Input/Output and Vertical Deflection .
Page 14 Table of Contents 1710J-Series Waveform Monitors...
Page 15 General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. Only qualified personnel should perform service procedures. While using this product, you may need to access other parts of the system. Read the General Safety Summary in other system manuals for warnings and cautions related to operating the system.
Page 16 General Safety Summary Product Damage Use Proper Power Source. Do not operate this product from a power source that Precautions applies more than the voltage specified. Provide Proper Ventilation. To prevent product overheating, provide proper ventilation. Do Not Operate With Suspected Failures. If you suspect there is damage to this product, have it inspected by qualified service personnel.
Page 17 Service Safety Summary Only qualified personnel should perform service procedures. Read this Service Safety Summary and the General Safety Summary before performing any service procedures. Do Not Service Alone. Do not perform internal service or adjustments of this product unless another person capable of rendering first aid and resuscitation is present.
Page 18 Service Safety Summary 1710J-Series Waveform Monitors...
Page 19 Preface This manual documents the Tektronix 1710J-Series Waveform Monitor, serial numbers B040000 and above. Information that applies to all instruments in the series uses 1710J-Series Waveform Monitor as the product name. Information that is specific to one member of the series refers to the instrument by its nomenclature, for example, discussion of the NTSC version of the instrument refers to it as the 1710J Waveform Monitor.
Page 20 Preface Performance Verification provides a set if procedure for determining if the instrument is performing within its stated performance requirements or not. Adjustment Procedure provides the means to return the instrument to operation within its stated requirements. Maintenance provides the servicing instructions for 1710J-Series Waveform Monitor.
Page 21 Preface Contacting Tektronix Product For questions about using Tektronix measurement products, call support toll free in North America: 1-800-833-9200 6:00 a.m. – 5:00 p.m. Pacific time Or contact us by e-mail: tm_app_supp@tek.com For product support outside of North America, contact your local Tektronix distributor or sales office.
Page 22 Preface xviii 1710J-Series Waveform Monitors...
Page 23 Getting Started...
Page 25 Product Description The Tektronix 1710J-Series is a specialized oscilloscope. It is designed to monitor and measure baseband video signals. It offers a choice of three basic sweep rates: two field, two line, and 1 line, each of which can be magnified to provide three additional sweep rates, 1 s (two line), 0.2 s (1one line), and X25...
Page 26 Getting Started Typical Configurations In addition to the typical master control monitoring applications, you can use this waveform monitor in camera chains. It has a choice of RGB or YRGB parade display that can easily be selected by grounding or ungrounding one pin on the rear-panel REMOTE connector.
Page 27 Getting Started Optional Accessories There are a number of accessories that can be used with a 1710J-Series Wave- form Monitor. The following is a list of the most common accessory items for this series of waveform monitors. Cabinets are not supplied with the 1710J-Series instruments, order the appropri- ate cabinet or rack adapter from those listed below.
Page 28: Figure 1-1: Remote Connector Showing The Rgb/Yrgb Functions
Getting Started Mains Frequency and All 1710J-Series Waveform Monitors operate over a frequency range of 48 to Voltage Ranges 66 Hz, at any mains voltage between 90 VAC and 250 VAC. They do not require any internal changes to select their operating voltage range. REMOTE Connector The rear-panel REMOTE connector is a 15-pin, D-type connector.
Page 29: Figure 1-2: A Waveform Monitor Installed In Program And House Sync Lines
Getting Started In many cases, because the bridging loop-through connection is passive, you can install the 1710J-Series Waveform Monitor directly in the program line, in which case line termination occurs at another location. Again line termination is critical. If the line is unterminated, signal amplitude will be double (2 V instead of the normal 1 V) and will be easily recognized in the displayed amplitude.
Page 30: Figure 1-3: Dimensions Of The 1700F00 Plain Cabinet
Cabinets The EMI specifications for the 1710J-Series are only valid if the instrument is mounted in one of the three Tektronix cabinet options. To guarantee compliance with specifications, the instrument must be operated in a 1700F00 or 1700F02 cabinet, or a 1700F05 rackmount adaptor. The plain cabinet, 1700F00, is shown in Figure 1–3.
Page 31: Figure 1-4: 1700F02 Portable Cabinet
Bottom Side Figure 1–4: 1700F02 portable cabinet All of the 1700-Series metal cabinets, which are available from Tektronix as Optional Accessories, provide the proper electrical environment for the instrument. They supply adequate shielding, minimize handling damage, and reduce dust accumulation within the instrument.
Page 32: Figure 1-5: Rear View Showing The Cabinet Mounting Screws
Getting Started Cabinet mounting screws Figure 1–5: Rear view showing the cabinet mounting screws Rack Adapter The 1700F05 is a side-by-side rack adapter that is made up of two cabinets. It can be used to mount the 1710J-Series and another half-rack width instrument in a standard 19-inch rack.
Page 33: Figure 1-7: An Instrument In A 1700F05 Cabinet With A Blank Front Panel
See Figure 1–6. If only one section of the rack adapter is used, insert a 1700F06 Blank Panel in the unused section. See Figure 1–7. The rack adapter and panel are available through your local Tektronix field office or representative. 1700F05 1700F06 Figure 1–7: An instrument in a 1700F05 cabinet with a blank front panel...
Page 34: Figure 1-8: A 1700F05 Rack Mounting Cabinet With A 1700F07 Utility Drawer
Getting Started 1700F05 1700F07 Figure 1–8: A 1700F05 rack mounting cabinet with a 1700F07 utility drawer Custom Installation For applications such as consoles the instrument can be mounted with front molding flush or protruding from the console. In both cases, allow approximate- ly 3 inches of rear clearance for bnc and power-cord connections.
Page 35: Figure 1-9: Custom Installation Of An Instrument Cabinet
Getting Started For flush front panel: Cut hole the same size as the monitor front molding to allow the monitor front panel to align with the custom panel surface. Requires four 0.156 holes below the 1700F00 cabinet to secure the instrument to the shelf.
Page 36: Figure 1-10: Equipment Connections For The Functional Checkout Procedure
When a complete check of the instrument performance to its specification is desired, refer to the Performance Verification Procedure in this manual. This procedure requires a source of composite video. The Tektronix 1410-Series Television Test Signal Generator (1410 for NTSC, 1411 for PAL) with Sync, Color Bar, and Linearity modules was used in preparing this procedure.
Page 37: Table 1-1: Front Panel Controls
Getting Started 1. Initial Generator Setup Video Signal Generator – Test Signals Full Field Color Bars – 75% Ampl. 7.5% Setup – NTSC – 75% Ampl. 0% Setup – PAL Modulated Staircase – Flat Field, 5 Step 2. Apply Power Connect the instrument to a suitable AC power source and push the POWER button.
Page 38: Figure 1-11: Two-Line Color Bar Display In Flat Filter Mode
Getting Started 4. Obtain Display Adjust the INTENS and FOCUS controls for the desired brightness and a well defined display. Adjust the VERTICAL Position control to place the display blanking level on the graticule 0 IRE (NTSC) or 300 mV (PAL) line. Center the display with the HORIZONTAL Position.
Page 39: Figure 1-12: Checking Vertical Gain With Internal Calibrator
Getting Started 12.5% –20 100% –40 NTSC 2% & 4% K FACTOR Figure 1–12: Checking vertical gain with internal calibrator 7. Select Input The AB switch selects the rear-panel Channel A or Channel B inputs. Position the color bar waveform so that the blanking level is at the –40 IRE (0 V) graticule line.
Page 40: Figure 1-13: Dual Channel, 2-Line Display Of Color Bar And Linearity Signals
Getting Started +0.7 –0.3 2% & 4% K FACTOR Figure 1–13: Dual channel, 2-line display of color bar and linearity signals Timing Accuracy Be sure that SWEEP is still 2LINE. Hold the REF button in until the CAL signal appears. Position it so the top of the display is on the 70 IRE (NTSC) or 0.7 V (PAL).
Page 41: Figure 1-14: Checking Timing With The Internal Calibrator Signal: A) 2-Line Display B) 2-Line Display Magnified C) 1-Line Display
Getting Started –20 –40 100% 2% & 4% K FACTOR NTSC –20 –40 100% 2% & 4% K FACTOR NTSC –20 100% –40 NTSC 2% & 4% K FACTOR Figure 1–14: Checking timing with the internal calibrator signal: a) 2-line display b) 2-line display magnified c) 1-line display 9.
Page 42: Figure 1-15: Two-Line Color Bar Display With The Low Pass Filter On
Getting Started the signal base line on the graticule 0 IRE (NTSC) or 300 mV (PAL) and checking that the maximum excursion of color burst is at approximately the 100 IRE or 1 V graticule line.) Push the GAIN button once and notice that the display amplitude returns to 1 V Full Scale.
Page 43: Figure 1-16: Two-Line Display Of Color Bar Signal With Chroma Filter
Getting Started +0.7 –0.3 2% & 4% K FACTOR Figure 1–16: Two-line display of color bar signal with chroma filter Hold the FILTER button in until both the FLAT and LPASS front-panel indicators are lit. The display now consists of two lines, the first of which has the chrominance removed and the second is unfiltered.
Page 44: Figure 1-18: Display Of Vertical Interval With Magnified 2-Field Sweep
Getting Started 11. Horizontal Magnifier Select the 2 LINE SWEEP and center the horizontal sync on the screen. Press the MAG button and note the magnification of the horizontal sync details. Push SWEEP for 2FLD and MAG for X25 and note that the vertical interval is displayed.
Page 45 Operating Basics...
Page 47: Figure 2-1: 1710J-Series Front Panel Controls
Operating Basics This section of the manual provides information about the front-panel controls and rear-panel connectors. Front-Panel Controls and Indicators The front-panel controls and indicators consist of momentary contact push-but- ton switches, variable controls, and backlit switch selections. See Figure 2–1 for control and indicator locations.
Page 48 Operating Basics There are four push-button switches that have functions that are accessed by holding the switch down for approximately one second. These functions are identified by a blue box surrounding the front-panel label. When exiting a held mode the selection reverts to the top of the list at the touch of the push button, with the exception of the REF switch, which returns to its previous setting.
Page 49 Operating Basics 7. SWEEP. The sweep switch toggles between 2 LINE and 2 FLD Sweep. 1 LINE Sweep is accessed by holding the SWEEP push button in until recognition occurs. The MAG is automatically turned off if SWEEP is changed. Sweep rates are as follows: 2 LINE unmagnified = 10 s/div 1 LINE unmagnified = 5 s/div 1 LINE + MAG = 0.2 s/div...
Page 50: Figure 2-2: 1710J-Series Rear-Panel Connectors
Operating Basics Rear-panel Connectors Signal inputs, power and RGB are all located on the 1710J-Series Waveform Monitor rear panel. Because of the similarity of the half-rack monitor and half-rack vectorscope rear panels WAVEFORM MONITOR is printed on the 1710J-Series rear panel. See Figure 2–2 for the locations of the rear-panel connectors.
Page 51 Operating Basics front-panel REF switch. The input signal may be composite sync, black burst, or composite video. 5. CH-B. A bridging loop-through composite video input that is compensated for 75 . The signal on this input is selected for display by the front-panel INPUT switch.
Page 52: Figure 2-3: Checking Vertical Gain With Internal Calibrator
Operating Basics 12.5% –20 100% –40 NTSC 2% & 4% K FACTOR Figure 2–3: Checking vertical gain with internal calibrator Align the bottom of the waveform with the graticule line for sync tip. This is –40 IRE for 1710J and 0 mV for 1711J. If necessary adjust the 1710J-Series Waveform Monitor V CAL to set the peak white level to 1.0 V for 1711J or 100 IRE for 1710J.
Page 53: Figure 2-4: Two-Line Color Bar Display In Flat Filter Mode
Operating Basics White level +0.7 –0.3 2% & 4% K FACTOR Horizontal sync pulse Figure 2–4: Two-line color bar display in flat filter mode Use the VERTICAL position to move the signal blanking level to the graticule 0.3 V line for the 1711J or 0 IRE line for the 1710J. Measure the amplitude of the horizontal sync pulse.
Page 54: Figure 2-5: One Line Display For Setup Measurement On 1710J
Operating Basics 12.5% Setup level –20 100% –40 NTSC 2% & 4% K FACTOR Figure 2–5: One line display for setup measurement on 1710J Use the VERTICAL position to set the blanking level of the signal to the) IRE graticule line. Measure the amplitude of the level following the last chrominance packet of the color bar.
Page 55 Reference...
Page 57 Reference This section discusses how to use the graticules to make measurements. Following the graticules there is more information on the measurements that can be made with the 1710J-Series Waveform Monitor. Graticules There are two graticule patterns available for the 1710J-Series Waveform Monitors.
Page 58: Figure 3-1: Ntsc Graticule
Reference 12.5% –20 100% –40 2% & 4% K FACTOR NTSC Figure 3–1: NTSC graticule Making Measurements. To use the NTSC vertical scale to make line time distortion and pulse-to-bar ratio measurements, set the signal blanking level at the graticule blanking line (0 IRE) and position the leading edge of the Compos- ite Test Signal bar to the ascending arrow (just right of graticule center).
Page 59 Reference Make pulse-to-bar K-Factor measurements using the solid and short dashed lines to the left of the line time distortion structure. These lines are scaled according to the following formulas: (1–4K) Where: K=0.02 for 2% K-Factor (dashed lines) K=0.04 for 4% K-Factor (dashed lines) Calibrated 5X gain increases resolution to 0.4% and 0.8%.
Page 60: Figure 3-2: Pal Graticule
Reference +0.7 –0.3 2% & 4% K FACTOR Figure 3–2: PAL graticule The boxed area slightly to the left of center at the 1.0 V level is scaled for 2% and 4% K-Factor ratings for precise tilt measurements. This structure is designed to work with an 8 s, half-amplitude duration (HAD) bar.
Page 61 Reference NOTE. For signals with a bar half-amplitude duration (HAD) that exceeds 8 s, simply measure the bar top in increments by positioning the bar to the left or right from the leading or trailing edge. Note that when the leading and trailing edge is on the appropriate arrow, the first or last 1 s is automatically excluded from the measurement.
Page 62 Reference The horizontal blanking interval is easily observed with a television waveform monitor. The horizontal sync pulse has a specific amplitude and shape, and it starts at a specific time in relation to the left and right edges of the picture. The left, falling edge of the horizontal sync pulse determines the lock and position of the picture on the screen.
Page 63 Reference The Creative Part of the The active video time is where the picture is carried. Here, too, you can tell quite Video Signal a lot with just a waveform monitor. The video appears between the horizontal blanking intervals. Change or adjust the video signal and you will see a change in this signal.
Page 64 Reference 3–8 1710J-Series Waveform Monitors...
Page 65 Specifications...
Page 67: Table 4-1: Input/Output And Vertical Deflection
Specification This section contains tables that list the specifications for the 1710J-Series Waveform Monitor All specifications are guaranteed unless noted “typical.” Specifications that are marked with the symbol are checked in the Perform- ance Verification section. Values for the 1711J Waveform Monitor, when different from those called out for the 1710J Waveform Monitor are shown in brackets[].
Page 68 Specifications Table 4–1: Input/Output and Vertical Deflection (Cont.) Name Description Chroma Filter PAL Nominal bandwidth 1 MHz; attenuation at 8.9 MHz, 20 dB or greater. (response at 4.43 MHz does not vary between FLAT and CHROMA by more than 1%) Upper and lower –3 dB points are approximately 350 kHz from 4.433619 MHz 15 to 35 C operating temperature Transient Response, 1 V Full Scale or...
Page 69: Table 4-2: Dc Restorer
Specifications Table 4–2: DC Restorer Name Description DC Restorer Clamp Time Backporch (J500 on/off) Frequency Response at 60 Hz Slow — 20% or less Fast — 90% or greater Attenuation of 60 Hz on input signal (J399 Fast/Slow) Blanking Level Shift with 10% to 90% APL APL changes from 50% to either 10% or 90% will cause blanking level shift of 1 IRE Change unit [7.14 mV] or less...
Page 70: Table 4-5: Synchronization
Specifications Table 4–4: Horizontal Deflection (Cont.) Name Description Sweep Magnifier Registration Typically magnification occurs about the center of the screen HORIZONTAL Position Any portion of a synchronized video sweep can be positioned on screen in all sweep modes Table 4–5: Synchronization Name Description Input Requirements...
Page 71: Table 4-6: Rgb/Yrgb
Specifications Table 4–6: RGB/YRGB (Cont.) Name Description Magnifier Typically X25 for 2 FLD, and X10 in 1 or 2 LINE Sweep Length three-step: 3.4 — 4.1 divs. four-step: 2.5 — 3.1 divs. Field or line rate sweeps Table 4–7: CRT Name Description CRT Viewing Area...
Page 72: Table 4-10: Environmental Characteristics
Specifications Table 4–10: Environmental Characteristics Name Description Operating Temperature 0 to 50 C (+32 to 122 F) Storage Temperature –40 to 75 C (-40 to 158 F). Operating Altitude To 15,000 feet (4572 meters) Storage Altitude To 50,000 feet (15,240 meters) Vibration 5 minutes at 5 - 15 Hz with 0.060 in.
Page 73 Pollution Degree 2 (as defined in IEC 1010-1). Note: Rated for indoor use only. Conditions: High-Quality shielded cables must be used to ensure compliance to the above listed standards. This product complies when installed into any of the following Tektronix instrument enclosures: 1700F00 Standard Cabinet 1700F02 Portable Cabinet 1700F05 Rack Adaptor 4–7...
Page 74 Specifications 4–8 1710J-Series Waveform Monitors...
Page 75 WARNING The following servicing instructions 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.
Page 77 Theory of Operation...
Page 79 Theory of Operation The material in this section is subdivided into a general description, which is supported by the simplified and main block diagrams, and the detailed circuit descriptions that use the schematic diagrams as illustrations. A thorough understanding of the instrument starts with knowing how the major circuit blocks fit together, which is then followed by an understanding of the individual circuit’s functions.
Page 80 Theory of Operation The low voltage power supply is a high-efficiency switching type. the high voltage power supply provides 13 kV acceleration potential. Block Diagram The Block Diagram for the 1710J-Series Waveform Monitor is located on a foldout in Diagrams/Circuit Board Illustration section of this manual. The following functional description uses the diagram as its illustration.
Page 81 Theory of Operation The composite sync output of the sync stripper times a programmed logic array (PLA) that controls the horizontal and vertical sync generators. The sync generator H and V trigger outputs synchronize the sweep generator. If calibrator is selected, the cal drive signal from the microprocessor provides the sweep generator triggering signal.
Page 82 Theory of Operation An accurate 100 kHz waveform from the microcontroller is amplified and its amplitude set and controlled by the calibrator. Calibrator output is enabled and output through the vertical amplifier low pass filter. The calibrator enable is also generated by the microprocessor.
Page 83 Theory of Operation The internal sync current source, for the other side of the common emitter Source Switch (U795D), is Q792. It provides signal current through pin 5 of U795D which also forward biases CR696 when the switching signal (EXT) is high. CR698 keeps CR696 from conducting when external sync input is selected.
Page 84 Theory of Operation During sync time, the clamp circuit maintains the output of the first amplifier stage at about +5 V, which is fed back to the clamp circuit, through CR990, to maintain the proper level. During non-sync times (active video), CR988 and CR989 are both on to shunt U892C and greatly reduce the gain.
Page 85 Theory of Operation Vertical Output, Diagram 2 The filtered video signal drives the signal input of a gain cell whose gain is controlled by the front-panel V CAL. The gain normalized video signal drives an amplifier that can be clamped at back porch time with either a fast or slow time constant clamp, which is also selected by front-panel selection.
Page 86 Theory of Operation Switchable Gain Amplifier The switchable gain amplifier consists of Q476, Q477, and Q478, with Q469 as the switching element. When the base of Q469 is pulled low through R472, amplifier gain is –1. R is R475 and R is the sum of R367 and R368.
Page 87 Theory of Operation Vertical Output Amplifier The combination of Q382 and Q383 forms a shunt-feedback amplifier. Q382 amplifies and inverts the collector current flowing in Q383 to provide most of the signal current through R485. Because the current across Q382 is nearly constant the input-signal voltage is applied directly across its emitter resistor, R485, with very little distortion.
Page 88: Table 5-1: Timing State Machine Outputs
Theory of Operation horizontal sync. With the exception of composite sync, from the sync stripper on Diagram 1, all inputs the U735 are from the microcontroller on Diagram 5. Table 5–1 describes the signals output by the timing state machine. Table 5–1: Timing State Machine Outputs Signal Name Function...
Page 89 Theory of Operation Vertical Sync Generator The composite sync signal also drives the vertical sync generator. The SYNC SIG is integrated by R947, C950, and U947A. During normal video lines and vertical serrated lines, the signal is mostly positive and charges the capacitor, C950, holding the output of U947A negative.
Page 90 Theory of Operation Sweep Generators and Horiz Output, Diagram 4 Sweep Generator U552B (line rate sweep generator) and U552A (field rate sweep generator) are integrators, one of which is disabled while the other is running. The selection is controlled by the H and V trigger signals from the sync generators (Diagram 3) and the LIN/FLD control line from the microcontroller.
Page 91 Theory of Operation If there is no H or V trigger, the output of the running sweep generator is self retriggered. When the ramp amplitude reaches about 3/4 of its maximum amplitude U445B trips and sets the flip-flop preset high to turn on Q451 or Q450 to start retrace.
Page 92: Table 5-2: Control Line Functions
Theory of Operation 4 kbytes of one-time programmable EPROM, 128 kbytes of RAM, and two 16-bit timer/counters. Its operating frequency, 12 MHz, is crystal controlled by Y709. External instructions are imported and exported through a multi-function serial port, and seven 8-bit bidrectional input/output ports. Port 0 and port 2 send data to U407, the LED display controller.
Page 93 Theory of Operation Table 5–2: Control Line Functions (Cont.) Signal Line State Result Enables calibrator LIN/FLD High 1 or 2 line display 2 field display TWO/ONE High 2 field or 2 line display 1 line (no single field display possible) High Enables 5X vertical magnifier High...
Page 94 Theory of Operation LED Drive The front-panel LEDs are driven in six common banks by U407. U305 provides a common current drain that is enabled by U407. Data registers in U407 are written into by the microprocessor over the eight-bit address bus and read out to front-panel LEDs when WR goes low.
Page 95 Theory of Operation Low Voltage Power Supply, Diagram 7 The low voltage power supply converts the mains line voltage (90-250 VAC) to supply the power requirements of the instrument. The voltages supplied by the Low Voltage Power Supply are +40 V, 15 V, and +5 V. The low voltage power supply is called a flyback switcher.
Page 96 Theory of Operation Pulse Width Modulator U5 is a current-mode pulse width modulator (PWM). A current-mode PWM uses two feedback loops. See Figure 5–5. The inner current-feedback loop directly controls the switcher MOSFET peak current. The outer voltage-feedback loop programs the inner loop peak current trip point. Switcher Mosfet Oscillator...
Page 97 Theory of Operation Output Filters The three output windings supply four output voltages. Each output is rectified by a single diode and filtered by an LC pi filter. Error Amplifier The error amplifier regulates the +5 V output by feeding an error signal to the pulse width modulator.
Page 98 Theory of Operation R48, C16, R60, and R64 form the high voltage power supply current feedback circuit. As the current from the high voltage power supply is increased, the voltage to the + side of the error amplifier (U2) increases, which increases the base drive to Q6, the HV Osc.
Page 99 Theory of Operation Z-Axis Amplifier This is an inverting amplifier with negative feedback. See Figure 5–6. R22 is the feedback resistor while R7, R20, and R33 act to maintain the summing junction at +5 V. Without any Z-axis input current, the amplifier output is approximately +10 V.
Page 100 Theory of Operation 5–22 1710J-Series Waveform Monitors...
Page 101 Performance Verification...
Page 103: Table 6-1: Required Equipment
Tektronix P6101 probe Television Test Signal Generator (NTSC) Provide color bar signal, linearity staircase Tektronix 1410 with Option AA and Option with variable APL, pulse and bar (with 2T AB (modified SPG2 and TSG7), TSG3, pulse, 2T bar, and modulated pulse signals,...
Page 104 0.05%; frequency approximately 270 Hz. Power Module For powering and housing Tegam SG503, Tegam TM506A DC503A, FG503, and Tektronix 067–0916–00 Variable Autotransformer Variable range of 90 –120 V (If 220 volt General Radio Metered Auto Transformer operation must be checked, a conversion W10MT3W.
Page 105: Table 6-2: Preliminary Control Settings
Performance Verification RGB ENB staircase YRGB/RGB Figure 6–1: RGB/YRGB parade display test connector Verification Procedure This is a step-by-step procedure that begins with the powering up of the instrument. There is a 20 minute warm-up time required after the 1710J-Series Waveform Monitor power is turned on.
Page 106 Performance Verification 2. Connect the AC power cord to the variable autotransformer. Turn power on 1710J-Series Waveform Monitor and set the autotransformer for either 110 or 220 Volts. 3. Use a 75 coaxial cable to connect a composite color bar signal from the television test signal generator to the CH B input.
Page 107: Table 6-3: Sync Amplitude
Performance Verification Table 6–3: Sync Amplitude Reference Source Signal Sync Amplitude Internal Composite Video 143 mV to 572 mV (NTSC) 150 mV to 600 mV (PAL) External Reference Composite Sync or Video 143 mV to 4 V (NTSC) 150 mV to 4 V (PAL) NOTE.
Page 108: Table 6-4: Timing Accuracy
Performance Verification Check Sweep Calibration The requirements are shown in Table 6–4. Table 6–4: Timing Accuracy Sweep Range Timing Accuracy Timing Linearity Differential Linearity 1 Line –––––– 1 Line, Magnified 2 Line –––––– 2 Line, Magnified 1. Hold the 1710J-Series Waveform Monitor REF button in until the calibrator signal is displayed.
Page 109 Performance Verification 5. Check that no falling transition between the 10 s and the 110 s graticule marks is more than 1% (0.5 minor division) from a major graticule mark. 6. Select 1 LINE sweep (push and hold). 7. Use the HORIZONTAL position control to place the first calibrator transition on the 5 s graticule mark (left side graticule timing mark).
Page 110: Table 6-5: Rgb/Yrgb Parade Display
Performance Verification Check RGB/YRGB Parade The requirements are shown in Table 6–5. Display Table 6–5: RGB/YRGB Parade Display Requirement Tolerance Sweep Length Three Step, RGB 3.4 to 4.1 divisions Four Step, YRGB 2.5 to 3.1 divisions Staircase input gain 10 V = 9 horizontal divisions 1.4 division Attenuated sweep responds to sweep rate and magnifica-...
Page 111 Performance Verification Check Vertical Gain The requirements are Gain within 1% for both CH A and CH B inputs X5 gain within 5% Less than 1 major division shift from baseline between unmagnified and magnified signal 1. Use a 75 coaxial cable to connect the Video Amplitude Calibrator (VAC) output to the 1710J-Series Waveform Monitor CH A input.
Page 112 Performance Verification 10. Use the VERTICAL position control to place the signal blanking level on the baseline. 11. Select X5 GAIN. 12. Check for less than 1 major division of baseline shift when switching between X1 (Gain off) and X5 GAIN. 13.
Page 113 Performance Verification 4. Move A3J500 to the (2–3) ON position. 5. Display the signal with the 2 LINE sweep. 6. Select CH B input. 7. Position the signal blanking level to the graticule baseline (0 IRE or 0.3 mV). 8. Switch television test signal generator linearity signal APL (Average Picture Level) between 50% and 10% and 50% and 90%.
Page 114 Performance Verification Check Flat Response Using 50 kHz as the reference the requirements are X1 gain 250 kHz to 6 MHz within 2% X5 gain 250 kHz to 6 MHz within 5% 1. Connect a 50 Ω precision cable and 50 to 75 Ω minimum loss pad from the leveled sine wave generator to the CH A input.
Page 115: Table 6-6: Transient Response
Performance Verification 11. Turn off X5 VERTICAL GAIN. 12. Check the flat response using the 50 kHz response as a reference. Check that the response is within 2% from 250 kHz to 6 MHz. Check Transient The requirements are shown in Table 6–6. Response Table 6–6: Transient Response Requirement...
Page 116: Table 6-7: X5 Gain Transient Response
Performance Verification 12. Check that the baseline of the modulated pulse varies less than 2%. Check X5 Transient The requirements are shown in Table 6–7. Response Table 6–7: X5 Gain Transient Response Requirement Tolerance 2T Pulse and Bar Preshoot 1% or less Pulse-to-bar ratio 1:1 within 2% Overshoot...
Page 117 Performance Verification Check Chrominance Filter The requirements are Response Response at 3.58 MHz (4.43 MHz for PAL) does not vary between FLAT and CHROMA by more than 1% Attenuation at 7.2 MHz (8.9 MHz for PAL) is greater than 20 dB 1.
Page 118 Performance Verification Spectrum analyzer OUTPUT INPUT RF In Precision terminator RF Out High frequency RF bridge Figure 6–5: Connecting the RF bridge to the spectrum analyzer and tracking generator 3. Select Demod/TG on the spectrum analyzer. Turn on the tracking generator and set the tracking generator fixed level to 0.00 dBm.
Page 119 Performance Verification 16. Connect the male-to-male bnc adapter to the Device Under Test connector on the RF bridge. 17. Connect the Device Under Test connector on the RF bridge to the 1710J-Se- ries Waveform Monitor CH A input. Terminate the CH A loop-through with the same precision high-frequency terminator used in step 15.
Page 120 Performance Verification 6–18 1710J-Series Waveform Monitors...
Page 121 Adjustment Procedure...
Page 123 Adjustment Procedure If the instrument performance is not within tolerance for a particular characteris- tic, determine the cause, repair if necessary, and then use the appropriate adjustment procedure to return the instrument operation to performance specification. After any adjustment, verify performance by repeating at least the applicable part of the Performance Verification Procedure.
Page 124: Table 7-1: Equipment Required
Tektronix P6101 probe Television Test Signal Generator (NTSC) Provide color bar signal, linearity staircase Tektronix 1410 with Option AA and Option with variable APL, pulse and bar (with 2T AB (modified SPG2 and TSG7), TSG3, pulse, 2T bar, and modulated pulse signals,...
Page 125: Table 7-2: Preliminary Control Settings
Adjustment Procedure Table 7–1: Equipment Required (Cont.) Test Equipment Characteristic Example 50 -to-75 Minimum Loss Attenuator Tektronix P/N 011–0057–00 Parade Display Test Connector A 15-pin sub-miniature D-type connector Tektronix P/N 131–0459–00 modified for RGB Parade input. See Figure 7–1. RGB ENB...
Page 126 Adjustment Procedure Table 7–2: Preliminary Control Settings (Cont.) Control Setting VERTICAL Position Set later HORIZONTAL Position Set later FILTER FLAT INPUT GAIN (switch) SWEEP 2 LINE 2. Connect the AC power cord to the variable autotransformer. Turn power on 1710J-Series Waveform Monitor and set the autotransformer for either 110 or 220 Volts.
Page 127: Table 4-7: Crt
Adjustment Procedure CRT Bias The component to adjust is A1R58. 1. Turn the INTENSity control fully counterclockwise. 2. Adjust A1R58 (CRT BIAS) so that the display is just extinguished. 3. Set the INTENSity control to desired level. É É É É É É É É É É É É É É É É...
Page 128 Adjustment Procedure 3. Select CH B input. 4. Set the front-panel FOCUS control to approximately the center of its rotation. 5. Adjust R11 (CENTER FOCUS) and R49 (ASTIG) for the most clearly-de- fined multiburst display. Trace Rotation The component to adjust is the front-panel ROTATE. 1.
Page 129 Adjustment Procedure Front R167 R168 U164 U172 A3 Main board +11.8 V Test point –11.8 V Test point Figure 7–3: Segment of the Main board, showing the test points and adjustment locations for the 11.8 V supplies 3. Connect the voltmeter active lead to the +11.8 V test point. See Figure 7–3. 4.
Page 130 Adjustment Procedure 2. Use a 75 coaxial cable to connect the multiburst output from the television test signal generator to one side of the CH A input loop-through. See Figure 7–4. 3. Use a 75 coaxial cable to connect the digital counter to the remaining side of the input loop through connector.
Page 131 Adjustment Procedure 3. Position the tip of the sync pulse that occurs between the two lines so that the switching transition is visible. 4. Adjust R636 (Switching Phase) to placed the switching transition at the center of the sync tip. Magnifier Registration The component to adjust is A1R661.
Page 132 Adjustment Procedure 4. Connect a probe from the test oscilloscope to the junction of R854 and R755. See Figure 7–2 for locations. 5. Adjust C953 (RGB Comp) for best transient response. 6. Remove the connections from the REMOTE connector. Vertical Amplifier Output The component to adjust is A3R489.
Page 133 Adjustment Procedure 4. Adjust the 1710J-Series Waveform Monitor front-panel V CAL so that the VAC signal is displayed as exactly 1 V (140 IRE on the NTSC graticule) on the CRT graticule. 5. Hold the 1710J-Series Waveform Monitor REF button until the CAL signal replaces the function generator signal on the display.
Page 134 Adjustment Procedure Waveform Monitor 75 Feedthrough terminator Terminator Television Test Signal Generator Multiburst signal Figure 7–6: Equipment setup for adjusting Channel A input compensation 3. Set multiburst generator to Sweep, High Range, Composite, Markers, and Full Amplitude. 4. Set the 1710J-Series Waveform Monitor sweep to 2 FLD and EXT REF. 5.
Page 135 Adjustment Procedure 6th Marker Roll off 12.5% –20 100% –40 NTSC 2% & 4% K FACTOR Figure 7–7: Adjusting for best flat response 10. Set the leveled sine wave generator frequency to 50 kHz and adjust its amplitude for a 100 IRE (NTSC) or 700 mV (PAL) output as displayed on the 1710J-Series Waveform Monitor.
Page 136 Adjustment Procedure X5 Gain HF Response The component to be adjusted is A3C372. 1. Select the CH A input. 2. Select X5 VERTICAL GAIN. 3. Set the sine wave generator for 50 kHz. 4. Select CH A input, EXT REF, and 1 LINE sweep. 5.
Page 137 Adjustment Procedure 12. Set the sine wave generator Frequency to 4.00 MHz. 13. Re-adjust C777 for minimum chrominance. Chroma Filter The components to adjust are A3R683 and A3C683 for NTSC instruments, or A3R680 and A3C778 for PAL instruments. 1. Use a 75 coaxial cable to connect the television test signal generator color bar signal to the 1710J-Series Waveform Monitor CH A input.
Page 138 Adjustment Procedure 7–16 1710J-Series Waveform Monitors...
Page 139 Maintenance...
Page 141 Tektronix warrants this product for one year from the date of purchase. (The warranty appears after the title page and copyright page in this manual.) Tektronix technicians provide warranty service at most Tektronix service locations worldwide.
Page 142: Table 8-1: Static Susceptibility
Maintenance Preparation The servicing instructions that are in this manual are intended for qualified service personnel. Before initiating any maintenance activity be sure to read the Safety Summery at the front of the manual and the Servicing Safety Summery located on the page that separates the operating information from the servicing information.
Page 143 Maintenance 4. Remove any device capable of generating or holding a static charge from the work station surface. 5. Whenever possible keep the component leads shorted together. 6. Pick up components by the body, never by the leads. 7. Do not slide components over any surface. 8.
Page 144: Table 8-2: Internal Jumper Selections
Maintenance Table 8–2: Internal Jumper Selections Jumper Number Name Position Purpose A3J500 DC Restorer Enable 1–2 Restorer Disabled 2–3 Restorer Enabled A3J99 Clamp Speed 1–2 Slow DC Restorer (Factory Set) 2–3 Fast DC Restorer A3J197 CH A Input Coupling 1–2 AC Coupled (Factory Set) 2–3 DC Coupled...
Page 145: Table 8-3: Remote Connector Pin Assignments And Functions
The displayed signal is the front–panel selected CH A or CH B input. When the 1710J–Series Waveform Monitor is substituted for a Tektronix 528 or 528A Waveform Monitor, in some applications the +28 V enable signal used by the 528 must be converted to ground closure (0 VDC).
Page 146 Maintenance 1. Display any standard television waveform. Do not enable the rear–panel REMOTE connector RGB enable. 2. Use the 1710J–Series Waveform Monitor HORIZONTAL position control to align the display with the graticule. 3. Ground the REMOTE connector RGB Enable (pin 2) and apply the camera staircase output to the RGB Staircase input (pin 1).
Page 147 Maintenance WARNING. To avoid any potential of electrical shock, disconnect power before removing the instruments cabinet. CRT. Clean the CRT protective shield, light filter, and CRT face with a soft, lint-free cloth dampened in denatured alcohol. Interior. Interior cleaning is not recommended, but if it is necessary, use low-velocity, dry air to blow away dust or lint.
Page 148 NOTE. All screws, unless otherwise noted, are TORX _ screws and can be removed with a T15 screwdriver tip (Tektronix part number 003–0966–00). The exception is #2 Pozidrive _ screws which can be removed with a #1 Pozidrive tip (Tektronix part number 003–0443–00).
Page 149 Do not use needle nose pliers. Replacement bulbs are supplied with this instrument as Standard Accessories. Additional bulbs can be purchased from Tektronix (see Replaceable Electrical Parts list) or from local electronics distribution sources.
Page 150 Maintenance CRT Removal and The CRT is a high–vacuum device and you need to be cautious about how it is Replacement removed and handled. When handling a CRT always wear safety glasses and if possible, wear gauntlet type leather gloves for its transportation. Always store CRTs in protective packaging;...
Page 151 Maintenance 6. Replace the trace rotation connector (J255, Main board), and snap the anode lead onto the anode connector on the side of the CRT. 7. Wipe the faceplate of the CRT to remove fingerprints, then replace the bezel. If the fit is too tight to allow the bezel to go into position, or if the CRT has a loose fit after the bezel is completely tightened down, then the rear CRT support must be repositioned.
Page 152 Maintenance Remove these five (5) screws to remove the rear panel. AUXILIARY CONTROL Figure 8–5: Rear panel securing screws Front Panel and The instrument’s front–panel circuit board is mounted on the back of the front Front Panel Circuit Board panel. It is necessary to remove this assembly in order to access the front panel switches and controls.
Page 153 Maintenance 3. Replace the front–panel knobs. 4. Carefully slide the circuit board through the front–panel opening. 5. Replace the two screws holding the front panel to the front casting. 6. Replace the multi–wire connector on J154. To remove front panel assembly To separate board from the front panel To remove front...
Page 154 Maintenance 3. Slip the CRT and trace rotation leads through the appropriate holes in the Main board. 4. Remove the eight screws that are holding the board in place. See Figure 8–7 for their locations. A3 Main Bd J154 J107 J932 Figure 8–7: Screws holding the Main circuit board (A3) in place 5.
Page 155 Maintenance There are a number of solder connections that must be unsoldered to remove the circuit board and soldered back to replace the circuit board. A soldering iron is required for this procedure. 1. Remove the plug from J4 on the Power Supply board. This is the connection to the Main board.
Page 156 Maintenance 3. Use a screwdriver with #1 Pozidrive tip to reinstall the power on/off switch to the front casting. 4. Reconnect the AC line filter from the rear panel by reinstalling the two mounting screws. 5. Solder the following connections: J1 pins 1 through 4, J3 pins 1 through 4, and the focus lead at J11.
Page 157 Maintenance Parts Locating Charts. The parts locating charts are used in conjunction with the location grids on the board illustrations and on the schematics. There is one locator chart that shows all of the parts on the board. This locator chart shows which schematic the part is shown on, in addition to the board and schematic grid locations for that part.
Page 158 Maintenance Example: R117 on Assembly (circuit board) A3 would be listed in the Replace– able Electrical Parts list as A3R117. NOTE. Always consult the parts list for part numbers and descriptions when ordering replacement parts. Some parts may have been replaced or have a different part number in an individual instrument.
Page 159 1. Ensure that the malfunction exists in the instrument. This is done by making sure that the instrument is operating as intended by Tektronix (see Operating Basics), and by checking that a malfunction has not occurred up stream from the waveform monitor.
Page 160 6. Determine the extent of the repair. If the necessary repair is complex, it may be advisable to contact your local Tektronix field office or representative before continuing. If the repair is minor, such as replacing a component, see the parts list for replacement information.
Page 161: Table 8-4: Power Supply Fault Symptoms
Maintenance The power supply presents special troubleshooting problems, if a fault occurs. Besides having a sizeable area where dangerous potentials can be contacted, the type of circuitry employed can not be troubleshot by conventional means. WARNING. Dangerous voltages exist in this power supply. Do not attempt to troubleshoot the 1710J–Series Waveform Monitor power supply without reading these instructions.
Page 162: Table 8-5: Low Volts Supply Voltages
Maintenance Low Voltage Power Supply Faults in the low voltage supply can only be isolated using the following procedure. Preliminary Checks This procedure is used to eliminate some of the more obvious faults. 1. A properly functioning and loaded low volts supply will output the voltages listed in Table 8–5.
Page 163: Table 8-6: Control Circuit Test Points
Maintenance less than 20 k indicates a shorted MOSFET (Q9). If the MOSFET is shorted, replace it and perform the Control Circuit Check. 4. Using the DMM diode test function, test CR21, CR22, CR23, and CR24 for shorts. Diode replacements must be fast reverse recovery (300 ns) types to reduce conducted noise.
Page 164 Maintenance Table 8–6: Control Circuit Test Points (Cont.) Circuit Location Signal U5, pin 6 80 kHz square wave, 18 V p–p U3, pin 1 80 kHz square wave, 5 V p–p U3, pin 2 2.1 VDC U3, pin 6 2.9 VDC U3, pin 7 Approximately 5 VDC U4, pin 13...
Page 165: Table 8-7: High Volts Supply Fault Symptoms
Maintenance Table 8–7: High Volts Supply Fault Symptoms Symptom Procedure Unable to focus CRT using the front–panel Focus Amplifier Check control Unable to adjust CRT intensity using the Z–Axis Amplifier Check, Grid Drive Check front–panel control No CRT display High Voltage Oscillator Check, CRT Voltage Check Before proceeding with the remainder of these procedures load the low volts supply with the instrument or with the 20...
Page 166: Table 8-8: High Voltage Oscillator Test Points
Maintenance 1. Turn off the power supply. Use the diode check on the DMM to test CR1, CR2, CR3, CR5, and CR6 for shorts. 2. Power up the power supply. 3. Using the DMM, measure the voltage between TP1 and the cathode of CR5. It should vary between approximately +75 and +200 V as R58 (CRT Bias) is adjusted.
Page 167 Repackaging Identification Tag If the instrument is to be shipped to a Tektronix Service Center for service or repair, attach a tag to the instrument showing: 1. Owner (with complete address) and the name of the person at your firm that can be contacted.
Page 168 Maintenance Figure 8–11: Repackaging a 1710J–Series Waveform Monitor 8–28 1710J-Series Waveform Monitors...
Page 169 Replaceable Electrical Parts...
Page 171 This section contains a list of the electrical components for the 1710J-Series Waveform Monitors. Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local Tektronix field office or representative. Changes to Tektronix products are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest improvements.
Page 172 Chassis-mounted parts have no assembly number prefix, and they are located at the end of the electrical parts list. Tektronix Part Number Use this part number when ordering replacement parts from Tektronix. 3 and 4 Serial Number Column three indicates the serial number at which the part was first effective. Column four indicates the serial number at which the part was discontinued.
Page 173 Replaceable Electrical Parts Manufacturers Cross Index Mfr. Code Manufacturer Address City, State, Zip Code 00779 AMP INC. CUSTOMER SERVICE DEPT HARRISBURG, PA 17105–3608 PO BOX 3608 01295 TEXAS INSTRUMENTS INC SEMICONDUCTOR GROUP DALLAS, TX 75272–5303 13500 N CENTRAL EXPRESSWAY PO BOX 655303 02113 COILCRAFT, INC.
Page 174 ROSEMONT, IL 60018–4771 73743 FISCHER SPECIAL MFG CO 111 INDUSTRIAL RD COLD SPRINGS, KY 41076 PO BOX 76500 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR BEAVERTON, OR 97077–0001 PO BOX 500 8X345 NORTHWEST SPRING MFG CO 5858 WILLOW LANE...
Page 175 Replaceable Electrical Parts Replaceable Electrical Parts List Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Name & Description Code Mfr. Part Number 671–2890–11 B041233 CIRCUIT BD ASSY:POWER SUPPLY 80009 671289011 671–2890–12 B041234 CIRCUIT BD ASSY:POWER SUPPLY...
Page 176 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A1C18 281–0775–01 CAP,FXD,CERAMIC:MCL;0.1UF,20%,50V,Z5U,0.170 04222 SA105E104MAA A1C19 290–1310–00 CAP,FXD,ALUM:10UF,20%,160V,ESR=24.9 OHM 0H1N5 CEJSM2C100M A1C20 281–0707–00...
Page 177 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A1C57 285–1222–00 CAP,FXD,PLSTC:0.068UF,20%,250V TK0515 PME 271 M 568 A1C58 281–0809–00 CAP,FXD,CERAMIC:MLC;200 PF,5%,100V,0.100 X 0.170...
Page 178 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A1DS1 150–0050–00 LAMP,GLOW:135V MAX,1.9MA,C2A–T,WIRE LEAD 0J9R2 NE–2Q–11R–T A1DS2 150–0050–00 LAMP,GLOW:135V MAX,1.9MA,C2A–T,WIRE LEAD 0J9R2 NE–2Q–11R–T...
Page 179 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A1R2 301–0225–02 RES,FXD,CMPSN:2.2M OHM,5%,0.5W 50139 EB2255 A1R3 303–0155–00 RES,FXD,CMPSN:1.5M OHM,5%,1W 50139 GB1555 A1R4 303–0155–00...
Page 180 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A1R49 311–2236–00 RES,VAR,TRMR:CERMET,20K OHM,20%,0.5W,0.197 SQ TK2073 GF06UT2 203 M A1R50 322–3001–00 RES,FXD:METAL FILM;10 OHM,1%,0.2W,TC=100 PPM...
Page 181 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A1R86 308–0793–00 RES,FXD:0.51 OHM,5%,1WTC=150PPM/DEG C,MI 75042 BW20 .51OHM 5PE A1R87 322–3034–00 RES,FXD:METAL FILM;22.1 OHM,1%,0.2W,TC=100 PPM 91637 CCF50–2–G22R10F...
Page 182 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number 671–1362–01 CIRCUIT BD ASSY:FRONT PANEL 80009 671–1362–01 A2DS117 150–1290–00 DIODE,OPTO:LED,ASSEMBLY,GRN,A THREE PLACE HOLDER TK1155 150–1290–00...
Page 183 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number *ATTACHED PARTS* 214–4725–00 B040153 SPRING:COMPRESSION SPRING,0.026,302 STAINLESS STEEL,0.313,+/–,0.0A0 *END ATTACHED PARTS* A2S112 260–2300–00...
Page 184 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3C167 290–0974–03 CAP,FXD,ELCTLT:10UF,20%,60VDC AL TAPE & REEL 55680 UVX1H100MAA1TD A3C168 290–0974–03 CAP,FXD,ELCTLT:10UF,20%,60VDC AL TAPE & REEL...
Page 185 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3C398 281–0815–00 CAP,FXD,CERAMIC:MLC,0.027UF,20%,50V,0.100 X 0.260,AXIAL 04222 SA205C273MAA A3C409 281–0775–01 CAP,FXD,CER:MCL,0.1UF,20%,50V,Z5U,0.170 X 0.100,AXIAL...
Page 186 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3C658 290–0943–00 CAP,FXD,ALUM:47UF,+50–20%,25V,6 X 11MM,RADIAL 62643 CEUSM1E470–Q A3C663 281–0903–00 CAP,FXD,CER DI:3.9PF,100V TUBULAR,MI...
Page 187 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3C893 281–0775–01 CAP,FXD,CER:MCL,0.1UF,20%,50V,Z5U,0.170 X 0.100,AXIAL 04222 SA105E104MAA A3C898 281–0775–01 CAP,FXD,CER:MCL,0.1UF,20%,50V,Z5U,0.170 X 0.100,AXIAL...
Page 188 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3CR664 152–0141–02 DIODE,SIG:ULTRA FAST,40V,150MA,4NS,2PF,1N4152,DO–35 01295 1N4152R A3CR670 152–0141–02 DIODE,SIG:ULTRA FAST,40V,150MA,4NS,2PF,1N4152,DO–35 01295 1N4152R A3CR671 152–0141–02...
Page 189 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3P99 131–0993–00 CONN,BOX:SHUNT,FEMALE,STR,1 X 2,0.1 CTR,0.385 H 00779 530153–2 A3P197 131–0993–00 CONN,BOX:SHUNT,FEMALE,STR,1 X 2,0.1 CTR,0.385 H 00779 530153–2...
Page 190 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3Q497 151–0188–00 TRANSISTOR,SIG:BIPOLAR,PNP,40V,200MA,250MHZ,AMPL 04713 2N3906 A3Q498 151–0190–00 TRANSISTOR,SIG:BIPOLAR,NPN,40V,200MA,300MHZ,AMPL 04713 2N3904 A3Q499 151–0190–00...
Page 191 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3R84 322–3105–00 RES,FXD:METAL FILM,121 OHM,1%,0.2W,TC=100 PPM,AXIAL 57668 CRB20 FXE 121E A3R85 322–3414–00 RES,FXD:METAL FILM,200K OHM,1%,0.2W,TC=100 PPM,AXIAL...
Page 192 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3R168 311–2230–00 RES,VAR,TRMR:CERMET,500 OHM,20%,0.5W,0.197 SQ TK2073 GF06UT2 501 M A3R180 322–3034–00 RES,FXD:METAL FILM,22.1 OHM,1%,0.2W,TC=100 PPM,AXIAL 91637 CCF50–2–G22R10F...
Page 193 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3R297 322–3239–00 RES,FXD,FILM:3.01K OHM,1%,0.2W,TC=T0MI,SMALL BODY 91637 CCF501G30100F A3R298 322–3243–00 RES,FXD:METAL FILM,3.32K OHM,1%,0.2W,TC=100 PPM,AXIAL 91637 CCF50–1–G33200F...
Page 194 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3R394 322–3147–00 RES,FXD:METAL FILM,332 OHM,1%,0.2W,TC=100 PPM,AXIAL 57668 CRB20 FXE 332E A3R395 322–3289–00 RES,FXD:METAL FILM,10K OHM,1%,0.2W,TC=100 PPM...
Page 195 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3R485 322–3062–00 RES,FXD,FILM:43.2 OHM,1%,0.2W,TC=T0MI,SMALL BODY 57668 RB20FXE43E2 A3R486 322–3083–00 RES,FXD,FILM:71.5 OHM,1%,0.2W,TC=T0MI,SMALL BODY...
Page 196 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3R566 322–3379–00 RES,FXD,FILM:86.6K OHM,1%,0.2W,TC=T0 MI,SMALL BODY 91637 CCF502G8662FT A3R567 322–3258–00 RES,FXD:METAL FILM,4.75K OHM,1%,0.2W,TC=100 PPM,AXIAL 56845 CCF50–2–G4751FT...
Page 197 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3R649 322–3356–00 RES,FXD,FILM:49.9K OHM,1%,0.2W,TC=T0MI,SMALL BODY 57668 CRB20 FXE 49K9 A3R650 322–3318–00 RES,FXD,FILM:METAL FILM,20K OHM,1%,0.2W,TC=100 PPM...
Page 198 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3R691 322–3297–00 RES,FXD:METAL FILM,12.1K OHM,1%,0.2W,TC=100 PPM,AXIAL 57668 CRB20 FXE 12K1 A3R692 322–3239–00 RES,FXD,FILM:3.01K OHM,1%,0.2W,TC=T0MI,SMALL BODY...
Page 199 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3R794 322–3235–00 RES,FXD:METAL FILM,2.74K OHM,1%,0.2W,TC=100 PPM,AXIAL 57668 CRB20 FXE 2K74 A3R795 322–3289–00 RES,FXD:METAL FILM,10K OHM,1%,0.2W,TC=100 PPM,AXIAL...
Page 200 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3R896 322–3258–00 RES,FXD:METAL FILM,4.75K OHM,1%,0.2W,TC=100 PPM,AXIAL 56845 CCF50–2–G4751FT A3R897 322–3226–00 RES,FXD:METAL FILM,2.21K OHM,1%,0.2W,TC=100 PPM,AXIAL...
Page 201 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number A3R966 322–3354–00 RES,FXD:METAL FILM,47.5K OHM,1%,0.2W,TC=100 PPM,AXIAL 91637 CCF501G47501F A3R987 322–3273–00 RES,FXD:METAL FILM,6.81K OHM,1%,0.2W,TC=100 PPM,AXIAL 91637 CCF50–2–G68100F...
Page 202 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number 136–0727–00 SKT,PL–IN ELEK:MICROCKT,8 CONTACT MI 98291 DIPS08PIT *END MOUNTING PARTS* A3U741 156–0750–03 672–1333–12...
Page 203 Replaceable Electrical Parts Replaceable Electrical Parts List (Cont.) Compo- Tektronix Serial No. Serial No. Mfr. nent Num- Part Num- Effective Discont’d Code Name & Description Mfr. Part Number *MOUNTING PARTS* 136–1119–01 SOCKET,LPHLDR:PCB,LAMPHOLDER,FEMALE,STR 80009 136–1119–01 *END MOUNTING PARTS* A3A1J100 131–4530–00 CONN,HDR: 80009 131–4530–00...
Page 204 Replaceable Electrical Parts 9–34 1710J-Series Waveform Monitors...
Page 205 Diagrams...
Page 207 Overline, parenthesis, or leading slash indicate a low asserting state. Example: ID CONTROL, (ID CONTROL), or /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.
Page 208 Diagrams/Circuit Board Illustrations 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;...
Page 209 INPUT VCAL VERTICAL POSITION CH A /FLAT OUTPUT AMP <2> VERTICAL FLAT GAIN CELL LIMITER <2> <2> DEFLECTION to <1> <2> <2> SCALE <1> /LPASS LOW PASS <1> <2> GRAT LIGHTS <3> <1> BAND PASS <1> /3.58 /4.43 <1> ROTATE CH B /CAL CALDR...
Page 210 A3 Main Board A3 Main Board Schematic <1> Component Locator Assembly A3 Figure 10–2: A3 Main Board Schematic <1> component locator 1710J–Series Waveform Monitors...
Page 211 INPUT AMPLIFIERS FILTER SELECTION CALIBRATOR CHANNEL SWITCH EXTERNAL SYNC INPUT & SOURCE SWITCH SYNC STRIPPER VERTICAL INPUT <1> 1710J WAVEFORM MONITOR...
Page 212 A3 Main Board Schematic <2> Component Locator Assembly A3 Figure 10–3: A3 Main Board Schematic <2> component locator 1710J–Series Waveform Monitors...
Page 213 VERTICAL GAIN CELL OUTPUT AMPLIFIER AMPLIFIER GAIN CELL SWITCHABLE GAIN AMPLIFIER 2nd DC RESTORER 1710J WAVEFORM MONITOR VERTICAL OUTPUT <2>...
Page 214 A3 Main Board Schematic <3> Component Locator Assembly A3 Figure 10–4: A3 Main Board Schematic <3> component locator 1710J–Series Waveform Monitors...
Page 215 GRATICULE +11.8V REGULATORS ILLUMINATION Z AXIS CONTROL H SYNC GENERATOR TRACE ROTATION VERTICAL SYNC GENERATOR 1710J WAVEFORM MONITOR TIMING & CONTROL CIRCUIT <3>...
Page 216 A3 Main Board Schematic <4> Component Locator Assembly A3 Figure 10–5: A3 Main Board Schematic <4> component locator 1710J–Series Waveform Monitors...
Page 217 MAGNIFIER & POSITION AMPLIFIER SWEEP GENERATOR HORIZONTAL OUTPUT AMPLIFIER 1710J WAVEFORM MONITOR SWEEP GENERATORS & HORIZ OUTPUT <4>...
Page 218 A3 Main Board Schematic <5> Component Locator Assembly A3 Figure 10–6: A3 Main Board Schematic <5> component locator 1710J–Series Waveform Monitors...
Page 220 A2 Front Panel Board Schematic <6> Component Locator A2 Front Panel Board Figure 10–7: A2 Front Panel Board Schematic <6> component locator 1710J–Series Waveform Monitors...
Page 221 1710J WAVEFORM MONITOR FRONT PANEL <6>...
Page 222 A1 Power Supply Board A1 Power Supply Board Schematic <7> Component Locator R101 The schematic diagram has an alphanumeric grid to assist R102 in locating parts within that diagram. Assembly A1. Partial Assembly A1 also shown on Diagram 8. CR10 CR11 CR12 CR13...
Page 223 LINE RECTIFIER AND FILTER OUTPUT FILTERS CLAMP OUTPUT UV SHUTDOWN PULSE WIDTH MODULATOR SWITCHER MOSFET SNUBBER ERROR AMPLIFIER LOW VOLTS POWER SUPPLY <7> 1710J WAVEFORM MONITOR...
Page 224 A10 CRT Socket Board (Front of Board) A10 CRT Socket Board (Back of Board) A1 Power Supply Board Schematic <8> Component Locator The schematic diagram has an alphanumeric grid to assist in locating parts within that diagram. Assembly A1. Partial Assembly A1 also shown on Diagram 7. CR30 CR31 R103...
Page 225 HV OSC & ERROR AMP GRID DRIVE Z AXIS AMPLIFIER V1 TUBE SOCKET VISUAL AID HIGH VOLTS POWER SUPPLY <8> 1710J WAVEFORM MONITOR...
Page 227 Replaceable Mechanical Parts...
Page 229 1710J-Series Waveform Monitors. Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local Tektronix field office or representative. Changes to Tektronix products are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest improvements.
Page 230 Items in this section are referenced by figure and index numbers to the exploded view illustrations that follow. Tektronix Part Number Use this part number when ordering replacement parts from Tektronix. 3 and 4 Serial Number Column three indicates the serial number at which the part was first effective. Column four indicates the serial number at which the part was discontinued.
Page 231 COLD SPRINGS, KY 41076 PO BOX 76500 7X318 KASO PLASTICS INC 11013 A NE 39TH VANCOUVER, WA 98662 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR BEAVERTON, OR 97077–0001 PO BOX 500 80126 PACIFIC ELECTRICORD CO 747 WEST REDONDO BEACH GARDENA, CA 90247–4203...
Page 232 3000 LEWIS & CLARK HWY VANCOUVER, WA 98661 SUITE 2 TK2541 AMERICOR ELECTRONICS LTD UNIT–H ELK GROVE VILLAGE, IL 60007 2682 W COYLE AVE Replaceable Mechanical Parts List Fig. & Tektronix Part Serial No. Serial No. Mfr. Index Number Effective Discont’d Code Number Name &...
Page 233 Replaceable Mechanical Parts Figure 11–1: Front View 11–5 1710J-Series Waveform Monitors...
Page 234 Replaceable Mechanical Parts Fig. & Tektronix Part Serial No. Serial No. Mfr. Index Number Effective Discont’d Name & Description Code Mfr. Part Number Number 11–2–1 ––––––––––– ELECTRON,TUBE:CRT,FINISHED (SEE V1 REPL) –2 386–4443–00 B041270 SUPPORT,SHIELD:CRT,FRONT,PLASTIC 80009 386–4443–00 386–6911–00 B041271 SUPPORT, SHIELD:CRT SHIELD SUPPORT,PLASTIC,1740A...
Page 235 Replaceable Mechanical Parts A3A1 Figure 11–2: CRT, Chassis and Main Bd 11–7 1710J-Series Waveform Monitors...
Page 236 Replaceable Mechanical Parts Fig. & Tektronix Part Serial No. Serial No. Mfr. Index Number Effective Discont’d Name & Description Code Mfr. Part Number Number 11–3–1 174–2277–00 CA ASSY,SP:RIBBON,IDC,15,28AWG,20.0L TK1547 174–2277–00 –2 333–3895–01 B040152 PANEL,REAR:1710J/1711J 80009 333–3895–01 –2 333–3895–02 B040153 PANEL,REAR:REAR PANEL,ALUM,1710J/1711J, 80009 333–3895–02...
Page 237 Replaceable Mechanical Parts Figure 11–3: Power Supply and Rear 11–9 1710J-Series Waveform Monitors...
Page 238 Replaceable Mechanical Parts Fig. & Tektronix Part Serial No. Serial No. Mfr. Index Number Effective Discont’d Name & Description Code Mfr. Part Number Number STANDARD ACCESSORIES 070–9673–03 MANUAL,TECH:INSTRUCTION,WAVEFORM 80009 070–9673–03 MONITOR,1710J/1711J 011–0163–00 TERM,COAX:BNC,TERMINATION SINGLR ENDED,75 OHM 4Y264 BCP–TA 159–0021–00 FUSE,CARTRIDGE:3AG,2A,250V,FAST BLOW 71400 AGC–2...
Page 239 Replaceable Mechanical Parts Figure 11–4: Accessories 11–11 1710J-Series Waveform Monitors...
Page 240 Replaceable Mechanical Parts 11–12 1710J-Series Waveform Monitors...
Page 241 Glossary Accuracy The closeness of the indicated value to the true value. Black Level The level of the picture signal that corresponds to the maximum black peaks. Blanking Level The level of the picture signal that separates the picture information from the synchronizing information.
Page 242 Glossary Differential Phase The difference in output phase of a small high frequency sine wave signal at two stated levels of a low frequency signal on which it is superimposed. Field Tilt The distortion of the television waveform where the amplitude of the signal displays a sloping distortion over the duration of at least one full field of video.
Page 243 Glossary Setup Level (NTSC) The difference between the blanking level and the reference black level. Normally 7.5% (7.5 IRE) is the amount of setup employed. Staircase Signal A video test signal containing several steps of equal amplitude at increasing luminance levels. The staircase signal is usually amplitude modulated by a subcarrier frequency and is useful in checking amplitude and phase linearities in the video system.
Page 244 Glossary Glossary–4 1710J-Series Waveform Monitors...
Page 245 Index Numbers 75 ohm Termination, 1–4 Cabinet Installation, 1–7 Cabinets, 1–6 CH A - CH B, 2–2 CH A Input Connector, 2–5 CH B Input Connector, 2–5 AC Power Plug, 2–4 Cleaning, 8–7 Accessories, 1–2 CRT, 8–7 Optional Accessories, 1–3 Exterior, 8–7 Standard Accessories, 1–2 Interior, 8–7...
Page 246 Index Vertical Calibration Adjust, 2–3 Horizontal Position, 2–3 Vertical Position, 2–2 Horizontal Scales for NTSC and PAL Graticules, 3–3 Front Panel, Diagram 6 Controls, 5–16 Indicators and Switches, 5–16 Functional Checkout Procedure, 1–12 Installation, 1–3 Equipment Required, 1–12 Packaging, 1–3 Fuse Holder, 2–4 Installation Control, 2–3 Internal Plug Jumpers, 8–3...
Page 247 Index Repackaging for Shipment, 8–28 Service Strategy, 8–1 Setting RGB Offset, 8–6 On -Off Switch, 2–3 Troubleshooting, 8–17 Operating Basics, 2–1 Foldout Pages, 8–17 Front Panel Controls and Indicators, 2–1 CH A - CH B, 2–2 Filter, 2–2 Focus Control, 2–3 Gain, 2–2 Horizontal Position, 2–3 General Troubleshooting Techniques, 8–20...
Page 248 Index Check RGB/YRGB Parade Display, 6–8 Replaceable Mechanical Parts, 11–1 Check Sweep Calibration, 6–6 Parts Ordering Information, 11–1 Check Sweep Operation, 6–5 Using the Replaceable Mechanical Parts List, 11–1 Check Sync Separation, 6–4 Required Test Equipment, Parade Display Test Check Transient Response, 6–13 Connector, 7–3 Check Vertical Gain, 6–9 RGB/YRGB Parade Display, 1–4...
Page 249 Index HV Osc and Error Amp, 5–19 Foldout Pages, 8–17 Power Supply Outputs, 5–20 Adjustment Locations, 8–18 Z-Axis Amplifier, 5–21 Assembly and Circuit Numbering, 8–18 Low Voltage Power Supply, Diagram 7, 5–17 Circuit Board Illustrations, 8–18 Error Amplifier, 5–19 Diagrams, 8–17 Feedback Transformer Driver and Peak Detector, Parts Locating Charts, 8–18 5–19...
Page 250 Index External Sync Input and Source Switch, 5–4 Switchable Gain Amplifier, 5–8 Filter Selection, 5–6 Vertical Output Amplifier, 5–9 Input Amplifiers, 5–4 Vertical Position, 2–2 Sync Stripper, 5–5 Voltage Ranges, 1–4 Vertical Output, Diagram 2 Gain Cell, 5–7 Gain Cell Amplifier, 5–7 Second DC Restorer, 5–7 Warm-up Period, 4–1 Index–6...

Tektronix 1710J Series Instruction Manual

Quick Links

Need help?

Questions and answers

Related Manuals for Tektronix 1710J Series

Summary of Contents for Tektronix 1710J Series

Table of Contents