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Instruction Manual SPG 1000 HDTV Sync Generator B020279 and Above 070-8074-02 Warning The servicing instructions are for use by qualified personnel only. To avoid personal injury, do not perform any servicing unless you are qualified to do so. Refer to all safety summaries prior to...
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(1) year from the date of shipment. If any such product proves defective during this warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product.
Contacting Tektronix Product For application-oriented questions about a Support Tektronix measurement product, call toll free in North America: 1-800-TEK-WIDE (1-800-835-9433 ext. 2400) 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.
Do Not Operate in Wet/Damp Conditions. Do Not Operate in an Explosive Atmosphere. Keep Product Surfaces Clean and Dry. Provide Proper Ventilation. Refer to the manual’s installation instructions for details on installing the product so it has proper ventilation. SPG 1000...
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CAUTION indicates a hazard to property including the product. Symbols on the Product. The following symbols may appear on the product: Double Protective Ground CAUTION WARNING Not suitable for Insulated (Earth) Terminal Refer to Manual High Voltage connection to the public telecom- munications network viii SPG 1000...
Use Care When Servicing With Power On. Dangerous voltages or currents may exist in this product. Disconnect power, remove battery (if applicable), and disconnect test leads before removing protective panels, soldering, or replacing components. To avoid electric shock, do not touch exposed connections. SPG 1000...
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787/788 60 Hz 59.94 Hz 59.94 Hz 525/2:1 525/1:1 1050/2:1 1050/1:1 625/2:1 625/1:1 or 1250/2:1 1250/1:1 787/788 1125/2:1/60 Hz 1125/2:1/59.94 Hz * Possible only when the SPG 1000 has been purchased with Option 17. 1 – 1 1–1 SPG 1000...
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Encoded Clock A may also be used to drive a TSG 1XXX generating 525/2:1 signals. ** Encoded Clock B may also be used to drive a TSG 1XXX generating 625/2:1 signals. (1) 72.00 MHz (2) 75.335664 MHz (3) 74.25 MHz (4) 74.175824 MHz (5) 75.524475 MHz 1 – 2 1–2 SPG 1000...
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* Available with Option 17 only. and activate, in turn, the input standards that are compatible with the active output standard. See Table 3–1 for possible SPG 1000 output/input combinations. Pressing the Input Standard button more than once will have no effect if only one input standard is compatible with the current output standard.
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Additional Compliance IEC61010-1 Safety requirements for electrical equipment for measurement, control, and laboratory use. Safety Certification Compliance Temperature, operating +5 to +40_ C Altitude (maximum operating) 2000 meters Equipment Type Test and measuring 4–5 SPG 1000 Manual...
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Class 1 (as defined in IEC 1010-1, Annex H) – grounded product Overvoltage Category Overvoltage Category II (as defined in IEC 1010-1, Annex J) Pollution Degree Pollution Degree 2 (as defined in IEC 1010-1). Note: Rated for indoor use only. 4–6 SPG 1000 Manual...
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* Including N125/2:1/59.94 5–12 SPG 1000...
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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.
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Performance Checks and Calibration 6–1 SPG 1000...
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Performance Checks and Calibration 6–2 SPG 1000...
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Performance Checks and Calibration 6–3 SPG 1000...
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Performance Checks and Calibration 6–4 SPG 1000...
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Performance Checks and Calibration 6–5 SPG 1000...
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Performance Checks and Calibration 6–6 SPG 1000...
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Performance Checks and Calibration 6–7 SPG 1000...
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Performance Checks and Calibration 6–8 SPG 1000...
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Performance Checks and Calibration 6–9 SPG 1000...
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Performance Checks and Calibration 6–10 SPG 1000...
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Performance Checks and Calibration 6–11 SPG 1000...
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Performance Checks and Calibration 6–12 SPG 1000...
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Performance Checks and Calibration 6–13 SPG 1000...
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Performance Checks and Calibration 6–14 SPG 1000...
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Performance Checks and Calibration 6–15 SPG 1000...
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Performance Checks and Calibration 6–16 SPG 1000...
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Performance Checks and Calibration 6–17 SPG 1000...
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Performance Checks and Calibration 6–18 SPG 1000...
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Performance Checks and Calibration 6. Fine Sync Timing (R164 and R165 for correct timing overlap, C147 to stop oscillations) 6–19 SPG 1000...
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Performance Checks and Calibration 6–20 SPG 1000...
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Performance Checks and Calibration 6–21 SPG 1000...
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Performance Checks and Calibration 6–22 SPG 1000...
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–12V test point (TP8) on the Oscillator board. Use the initial settings listed in Table 6-17. b. Initialize the SPG 1000 by turning it off and then turning it back on while pressing the Output Standard button. Then, with 6–23...
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(0.000us) will no longer be displayed. This is due to round–off error in the many calculations performed by the SPG 1000 microprocessor. The point of interest is the threshold between timing advance and delay, which is initially easier to identify with the aid of the extra zero.
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+16 V. Typically this will be in the range of +7 to +11 V. b. At the front panel of the SPG 1000, select t. Repeat parts o through s of this step for Black (with the Test Signal select button.
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CH1B un–termi- nated. b. At the front panel of the SPG 1000, select White Field and GBR output format, if 6–26 SPG 1000...
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This type of power supply is called a current- required for troubleshooting the circuitry in the mode-controlled, discontinuous, flyback, switch- primary and the Pulse Width Modulator, and in ing power supply. The current output is the supporting circuits. distributed between the four supplies as follows: 8–5 SPG 1000...
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When the power supply is winding. The polarity of this charge is such that first turned on, C656 charges through R921. the voltages induced in the secondaries all reverse When the charge across C656 reaches approxi- 8–6 SPG 1000...
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CR575 and CR320 to turn on. mentioned above. This regulates the secondary voltages throughout variations such as input The current in the secondaries linearly ramps voltage, output load, and temperature. down as the energy that was stored in T1 primary 8–7 SPG 1000...
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Line regulation is accomplished automatically is coupled to U722 through opto-isolator U520. If without voltage feedback. As the input voltage the load increases, the signal at U722-2 drops in Figure 8–4: Pulse Width Modulator and Error Amplifier Circuit 8–8 SPG 1000...
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60 kHz. The frequency is set by R105 and proper operation, Q638-base must have a large C105. Q250 is controlled by U200 to switch +5 V forward current during the on-time and a reverse and –5 V (10 Volts total) across T2 during the 8–9 SPG 1000...
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When VR120 is drawing enough current through R120 to raise SCR Q127 gate voltage above its cathode by approximately 0.7V, Q127 will turn on. This shorts the +5 V output to ground, forcing the primary circuit into current limit. 8–10 SPG 1000...
Replaceable Electrical Parts This section contains a list of the components that are replaceable for the SPG 1000. Use this list to identify and order replacement parts. There is a separate Replaceable Electrical Parts list for each instrument. Parts Ordering Information Replacement parts are available from or through your local Tektronix, Inc., Field...
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Chassis-mounted parts and cable assemblies have no assembly number prefix and are located at the end of the electrical parts list. Tektronix Part No. Indicates part number to be used when ordering replacement part from (Column 2) Tektronix.
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MIAMI, FL 33169 SUITE 474 0GV52 SCHAFFNER EMC INC 9–B FADEM ROAD SPRINGFIELD, NJ 07081 0H1N5 TOSHIBA MARCON ELECTRONICS 998 FIRST EDGE DRIVE VERNON HILLS IL 60061 AMERICA CORPORATION 0JR03 ZMAN MAGNETICS INC 7633 S 180th KENT WA 98032 SPG 1000 9–3...
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PAKTRON DIV PO BOX 4539 19615 ALLEN AVIONICS INC 255 EAST 2ND ST MINEOLA NY 11501–3503 P O BOX 350 19701 PHILIPS COMPONENTS DISCRETE PRODUCTS PO BOX 760 MINERAL WELLS TX 76067–0760 DIV RESISTIVE PRODUCTS FACILITY AIRPORT ROAD 9–4 SPG 1000...
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PO BOX 74 57668 ROHM CORPORATION 15375 BARRANCA PARKWAY IRVINE CA 92718 SUITE B207 57924 BOURNS INC 1400 NORTH 1000 WEST LOGAN UT 84321 NETWORKS DIV 59124 KOA SPEER ELECTRONICS INC BOLIVAR DRIVE BRADFORD PA 16701 PO BOX 547 SPG 1000 9–5...
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91637 DALE ELECTRONICS INC 2064 12TH AVE COLUMBUS NE 68601–3632 PO BOX 609 93907 TEXTRON INC 600 18TH AVE ROCKFORD IL 61108–5181 CAMCAR DIV 98159 RUBBER TECK INC 19115 HAMILTON AVE GARDENA CA 90247 PO BOX 389 9–6 SPG 1000...
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Replaceable Electrical Parts Mfr. Code. Manufacturer Address City, State, Zip Code D5243 ROEDERSTEIN E SPEZIALFABRIK FUER LUDMILLASTRASSE 23–25 8300 LANDSHUT GERMANY KONDENSATOREN GMBN S3629 SCHURTER AG H 2015 SECOND STREET BERKELEY CA 94170 C/O PANEL COMPONENTS CORP SPG 1000 9–7...
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WSHR,FLAT:0.375 ID X 0.5 OD X 0.024,STL 12327 ORDER BY DESCR 220–0495–00 NUT,PLAIN,HEX:0.375–32 X 0.438 HEX,BRS,CD PL 73743 ORDER BY DESCR *END MOUNTING PARTS* 672–1904–02 CIRCUIT BD ASSY:OSCILLATOR; A2A1 W/ A2A1A1, A2A1A2, 80009 672–1904–02 AND A2A1A3 INSTALLED (OPTION 15 ONLY) 9–8 SPG 1000...
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ORDER BY DESCR (QUANTITY 2) *END MOUNTING PARTS* 174–2385–00 CA ASSY,SP,ELEC:34,28 AWG,10.24 L,RBN 80009 174–2385–00 (CONNECTED FROM A2J20 TO A3J8 TO A6J13) W160 174–2385–00 CA ASSY,SP,ELEC:34,28 AWG,10.24 L,RBN 80009 174–2385–00 (CONNECTED FROM A6J11 TO A4J160 TO A5J18) SPG 1000 9–49...
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Replaceable Electrical Parts 9–50 SPG 1000...
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CR20 * * See parts list for earlier values and serial number ranges.
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0.1uF 2.49K +2.5V VREF+ +12V VREF– SEE PARTS LIST FOR COMP +12V EARLIER VALUES AND V– –12V C135 C134 0.1uF SERIAL NUMBER RANGES. 0.1uF 0.1uF 2.49K 0.1uF –12V P/O A3 HD SYNC BOARD SPG 1000 CLOCK, FRAME REFERENCE FINE TIMING...
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LM393 R314 U615B C415 R416 FEEDBACK R616 10.5K LM393 .0033UF 1.00K C320 R720 4.75K C521 2.2UF 5.62K 270PF U410 431C R615 NOTE: 9.09K SEE PARTS LIST FOR EARLIER VALUES AND SERIAL NUMBER RANGES. A4 POWER SUPPLY SPG 1000 POWER SUPPLY...
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HD REFERENCE BOARD Schematic <2> Look–Up Chart The schematic diagram has an alphanumeric grid to assist in locating parts within that diagram. Assembly A7. Partial A7 also shown on Schematics 1, 3, and 4. CIRCUIT SCHEM BOARD CIRCUIT SCHEM BOARD NUMBER LOCATION LOCATION NUMBER...
Replaceable Mechanical Parts This section contains a list of the components that are replaceable for the SPG 1000. Use this list to identify and order replacement parts. There is a separate Replaceable Mechanical Parts list for each instrument. Parts Ordering Information Replacement parts are available from or through your local Tektronix, Inc., Field...
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Figure & Index No. Items in this section are referenced by figure and index numbers to the illustra- (Column 1) tions. Tektronix Part No. Indicates part number to be used when ordering replacement part from (Column 2) Tektronix. Serial No.
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80126 PACIFIC ELECTRICORD CO 747 WEST REDONDO BEACH GARDENA, CA 90247–4203 PO BOX 10 93907 TEXTRON INC 600 18TH AVE ROCKFORD IL 61108–5181 CAMCAR DIV 95987 BRADY/WECKESSER MFG CO 4444 WEST IRVING PARK RD CHICAGO IL 60641 SPG 1000 11–3...