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WVR8200 and WVR8300 Waveform Rasterizers

1. Fig amp index Tektronix part Serial no Serial no number number effective discont d Qty Name amp description 5 1 1 211 0734 00 18 SCREW MACHINE 6 32 X 0 250 FLH100 STL CDPL T 10 DR 2 200 4873 00 1 COVER TOP STANDARD INSTRUMENT 0 050 AL SAFETY CONTROLLED 3 441 2576 00 1 CHASSIS MAIN 0 050 AL SAFETY CONTROLLED WVR8200 WVR8300 4 343 0003 00 1 CLAMP LOOP 0 25 ID PLASTIC 5 210 0457 00 1 NUT PL ASSEM WA 6 32 X 0 312 WILOCKWASHER STEEL ZINC FINISH 6 174 5848 00 1 CA ASSY SP HV BR A 16 IN LONG CONN EACH END LINE FILTER TO PWR SUPPLY SAFETY CONTROLLED 7 210 0457 00 1 NUT PL ASSEM WA 6 32 X 0 312 WILOCKWASHER STEEL ZINC FINISH 8 119 7086 00 1 FILTER EMI AC LINE CONNECTOR INPUT FILTER 6 0A 120 250VAC DC 400 HZ 2 2 NF CY 100 NF CX IEC INPUT FAST ON SOLDER LUG OUTPUT CHASSIS MOUNT SAFETY CONTROLLED FN9222 6 06 9 131 4131 00 1 CONN PLUG ELEC MALE W LOCKING ADPTR EXT MTG SAFETY CONTROLLED 10 211 0410 00 2 SCR ASSEM WSHR 4 40 X 0 437 PNH STL CDPL T 10 TORX DR 11 351 0104 03 1 SL SECT DWR EXT 12 625 L W O HARDWARE SAFETY CONTROLLED 12 212 0158 00 8 SCREW MACHINE 8 32 X 0 375 PNH STL CDPL T 20 TORX DR 13 351 0751 01 1 TRK SL OUT SECT STATIONARY amp INTERMEDIATE SAFETY CONTROLLED 14 367 0530 00 2 HANDLE BOW AL 1 0 X 1 25 STAIN FINISH SAFETY CONTROLLED 15 211 0721 00 4 SCREW MACHINE 6 32 X 0 375 PNH STL CDPL T 15 TO
2. 9 1 2 Theory of Operation Theory of Operations a a ve 2 1 Main BOI MORTE 2 3 Front Panel anne 2 4 Composite Input Option CDS eite Pee Ehe Dien de m an 2 4 Audio Options AD and DPE a 2 4 Option EY E PHY reete eee een 2 5 F n Control esen TET 2 8 Power Supply and 2 2 essen nn 2 8 Adjustment Procedures Adjustments eenei 3 1 Required Equipment ans a nu 3 1 A energie 3 1 Maintenance General Maintenance EET EPUM 4 1 Preventing BSD M 4 Inspection and Cleaning un ans ae nn 4 2 Troubleshooting A ai 4 4 WVR8200 and WVR8300 Waveform Rasterizers Service Manual 1 Table of Contents Detailed Troubleshooting Procedures 2 nemen 4 10 Repackaging Instr ctions i dei eb nn 4 22 Packaging EET 4 22 Shipping to the Service 2 2 2 00 4 22 Replaceable Parts Replace ble P rts name A ia 5 1 Parts Ordering Information iie sen en ee le Bi 5 1 Using the Replaceable Parts 11518 2 2 5 2 ii WVR8200 and WVR8300 Waveform Rasterizers Service Manual List of Figures Figure 2 1 Figure 2 2 Figure 4 1 Figu
3. LOW PROFILE ZINC DIE CAST HOUSING 5 210 1039 00 8 WASHER LOCK 0 521 ID INT 0 025 THK STEEL ZINC FINISH 6 220 0497 00 8 NUT PLAIN HEX 5 28 X 562 HEX BRS NI NICKEL PLATED 7 119 7167 00 1 CIRCUIT BD ASSY CAT552 DOLBY E DIGITAL DECODER MODULE 72 PIN SIMM SAFETY CONTROLLED Option DPE only 8 174 5696 00 1 CABLE ASSEMBLY 100 TO 80 POSITION MAIN TO AUDIO PCB 9 211 0722 00 3 SCREW MACHINE 6 32 X 0 250 PNH STEEL ZINC FINISH T 15 TORX DR 10 129 1570 00 3 POST SPACER 1 385 X 0 250 X 0 375 DEEP Options EYE and PHY 11 863 0321 01 1 CIRCUIT BD SUBASSY WVR EYE 389423100 TESTED ROHS COMPLIANT 12 131 M057 00 4 CONN RF PCB FEMALE BNC 750HM EDGE LAUNCH 13 210 1039 00 4 WASHER LOCK 0 521 ID INT 0 025 THK STEEL ZINC FINISH 14 220 0497 00 4 NUT PLAIN HEX 5 28 X 562 HEX BRS NI NICKEL PLATED 15 335 2394 00 1 LABEL REAR PANEL EYE SDI CLOCK OUT SAFETY CONTROLLED 16 211 0722 00 6 SCREW MACHINE 6 32 X 0 250 PNH STEEL ZINC FINISH T 15 TORX DR Option CPS 17 878 0194 00 1 CIRCUIT BOARD ASSY UNTESTED WVR COMPOSITE 18 131 M057 00 4 CONN RF PCB FEMALE BNC 750HM EDGE LAUNCH 19 210 1039 00 4 WASHER LOCK 0 521 ID INT 0 025 THK STEEL ZINC FINISH 20 220 0497 00 4 NUT PLAIN HEX 5 28 X 562 HEX BRS NI NICKEL PLATED 21 211 0722 00 3 SCREW MACHINE 6 32 X 0 250 PNH STEEL ZINC FINISH T 15 TORX DR 5 8 WVR8200 WVR8300 Waveform Rasterizers Service Manual
4. 4 12 Table 4 6 Audio board secondary supplies 2 2 20 4 13 WVR8200 and WVR8300 Waveform Rasterizers Service Manual General Safety Summary General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it To avoid potential hazards use this product only as specified Only qualified personnel should perform service procedures While using this product you may need to access other parts of a larger system Read the safety sections of the other component manuals for warnings and cautions related to operating the system To Avoid Fire or Personal Use proper power cord Use only the power cord specified for this product and Injury certified for the country of use Ground the product This product is grounded through the grounding conductor of the power cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Observe all terminal ratings To avoid fire or shock hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections to the product Do not apply a potential to any terminal including the common terminal that exceeds the maximum rating of that terminal Power disconnect The power c
5. Item Purpose Location WVR8200 and WVR8300 Waveform Operation instructions and explanation Product Documentation CD WVR8200 and WVR8300 Waveform Basic installation and safety information Printed manual Product Rasterizers Installation and Safety Instructions English Japanese Simplified Chinese Product Documentation CD www tektronix com manuals Online Help In depth operation and UI help In the instrument press the HELP button on the front panel WVR8200 and WVR8300 Waveform Rasterizers Service Manual Preface Table i Related documentation cont Item Purpose Location WVR8200 and WVR8300 Waveform Procedure for checking performance and Product Documentation CD Rasterizers Specifications and list of specifications www tektronix com manuals Performance Verification WVR and WFM Series Master Information Programmers command reference for Product Documentation CD Base MIB controlling the waveform rasterizer www tektronix com manuals x WVR8200 and WVR8300 Waveform Rasterizers Service Manual Introduction Introduction Service Strategy Specifications The WVR8200 and WVR8300 Waveform Rasterizers rasterize serial digital video and composite video signals depending on installed options for an DVI I display providing a new standard of display quality and flexibility These products are repaired to the module level at selected Tektronix service centers Repair includes functional verification of
6. apaku s SDIA SDI A OUT CPSA CPSB i gt Cable SDIB Meter l u i 6 oi EQ y z A i Clock Sine Snel Recovery ilter R Fil ADC REF CPS ADC ADC Reclocker A Reclocker a ae 4 P 21 e peccet AUDIO HEADPHONE DAC OUT Parallel o Serial SDI OUT Conversion PIX ANALOG DAC P Y y X OUT Picture Processing Recursion Measurement and Raster XGA DISPLAY Processing DSP FPGAs a gt DAC OUT i Display Combining DSY FPGA CPU Graphics External Ref Syne Capture Fast Static gt Black or Tri Level Stripper SDRAM emo LCD Y Backligh DISPLAY r an Moe icture Power gt SDRAM Supply Front Panel CPU Core Supply Buttons amp Knobs la and Peripherals EA AAA all Board 0393 001 Figure 2 2 Option EYE PHY block diagram WVR8200 and WVR8300 Waveform Rasterizers Service Manual 2 7 Theory of Operation Fan Control There are multiple temperature sensors in different locations in the instrument including some mounted on the option boards The control processor reads the temperature sensors and sets a target speed for the fans The fan circuit holds the fan sp
7. m DSY DDR Buffer 2 Memory DSY DDR Trig Buffer Memory m DSY SDRAM Buffer 1 Memory m DSY SDRAM Buffer 2 Memory Diagnostic Log Message Search for an intermittent problem in the audio board cables or main board m Fail AUDIO DSP HEARTBEAT No text or traces on display Replace Main board 4 8 WVR8200 WVR8300 Waveform Rasterizers Service Manual General Maintenance Table 4 4 Symptoms and causes cont Symptom Possible sources or recommended detailed troubleshooting procedure to follow Functional Test Failures Performance Verification Test Failures In case of failure on either Functional or the Performance tests the board at fault is generally obvious Before replacing a board 1 Perform the primary and secondary power supply checks 2 Run the advanced diagnostics and check the diagnostic log for help in isolating the fault If this does not isolate the problem then replace the main board if the test is in one of the following areas m SDI Composite m Ref m LTC m XGA output m Color Palette m Remote I O m Ethernet If the problem is only the SDI input first replace the SDI or Eye board depending on option If that does not fix the problem replace the main board If the problem is Composite replace the composite option board If the problem persists then replace the main board If the problem is in the audio board first check the diagnostic log for audio power up self test failures o
8. 18 426263500 1 FRONT FRAME ALUMINIUM SAFETY CONTROLLED WVR8200 WVR8300 19 210045700 3 NUT PL ASSEM WA 6 32 X 0 312 WLOCKWASHER STEEL ZINC FINISH 20 101017900 1 TRIM FRONT PANEL WVR SAFETY CONTROLLED A 354 0025 00 1 RING RETAINING EXTERNAL U O 0 187 DIA SFT 22 213021600 2 THUMBSCREW 10 32 X 0 85 0 375 OD HD ZINC PLATED STEEL W SLOT 23 367053000 2 HANDLE BOW AL 1 0 X 1 25 STAIN FINISH SAFETY CONTROLLED 24 211072100 4 SCREW MACHINE 6 32 X 0 375 PNH STEEL ZINC FINISH WITH NYLOC PATCH T 15 TORX DR 25 335211600 1 REMOTE FRONT PANEL LABEL WVR SAFETY CONTROLLED Standard Accessories 071 2804 xx 1 WVR8RFP REMOTE FRONT PANEL INSTRUCTIONS 071 2181 xx 1 MANUAL TECH ND NC TEKTRONIX SUPPLEMENTAL INFORMATION SHEET FOR THE PEOPLES REPUBLIC OF CHINA CHINA ROHS 012 1721 00 1 CABLE ASSY 25 FT W CONNECTOR D SUB 9 PIN MALE Optional Accessories 012 1720 00 CABLE ASSY 100 FT W CONNECTOR D SUB 9 PIN MALE WVR8200 and WVR8300 Waveform Rasterizers Service Manual 5 11 Replaceable Parts Fig amp index Tektronix part number number Name amp description 119 7532 00 POWER SUPPLY AC DC 55W DESKTOP 90 264VAC 47 63 HZ 1EC320 C14 IN 12VDC 4 6A CABLE WITH 4 PIN XLR CONNECTOR OUT SAFETY CONTROLLED Requires AC Power Cords Below 161 0066 00 Option 0 North America CABLE ASSY PWR 3 18 AWG 250V 10A 98 0 L STR IEC320 RCPT X NEMA 5 15P US SAFETY CONTROLLED 161 0066 09
9. 75 solution and rinse with warm deionized water A cotton tipped applicator is useful for cleaning in narrow spaces and on circuit boards STOP f after doing steps 1 and 2 a module is clean upon inspection skip the remaining steps 3 Ifsteps 1 and 2 do not remove all the dust or dirt the instrument may be spray washed using a solution of 7596 isopropyl alcohol by doing steps 4 through 6 4 Gain access to the parts to be cleaned by removing easily accessible shields and panels 5 Spray wash dirty parts with the isopropyl alcohol and wait 60 seconds for the majority of the alcohol to evaporate 6 Dry all parts with low pressure deionized air Lubrication There is no periodic lubrication required for the instrument The procedures in this section will help you trace the root cause of a problem back to one of the replaceable parts In general this is a board level replacement but there are a few components on some boards that are replaceable WARNING Before performing this or any other procedure in this manual read the General Safety Summary and Service Safety Summary found at the beginning of this manual To prevent possible injury to service personnel or damage to electrical component refer on how to prevent ESD See page 4 1 WVR8200 and WVR8300 Waveform Rasterizers Service Manual General Maintenance Getting Started This procedure consists of two main sections the first section contains the Symptoms a
10. CONN 37 POS DSUB ZINC 3 131 0422 00 1 CONN DSUB SLDR CUP PNL MALE STR 37 POS 0 112 CTR 0 186 0 126 TAIL 0 125 DIA THRU MTG Figure 5 5 Analog audio breakout cable assembly 5 14 WVR8200 and WVR8300 Waveform Rasterizers Service Manual
11. Replaceable Parts 0394 005 Figure 5 3 Replaceable parts options WVR8200 and WVR8300 Waveform Rasterizers Service Manual 5 9 Replaceable Parts Serial no Serial no Tektronix part number effective discont d Qty Name amp description WVR8200 and WVR8300 Standard Accessories 071 2640 xx 1 SAFETY AND INSTALLATION INSTRUCTIONS EN JA ZH WVR8200 WVR8300 063 421 8 xx 1 DOCUMENTATION CD WVR8200 WVR8300 071 2589 xx 1 MANUAL TECH ND NC TEKTRONIX SUPPLEMENTAL INFORMATION SHEET FOR THE PEOPLES REPUBLIC OF CHINA CHINA ROHS 071 2589 xx 1 MANUAL TECH A PRINTED SHEET WITH MULTILANGUAGE POINTERS TO THE TEKTRONIX WEBSITE FOR ONLINE RELEASE NOTES 2GHZ 50 OHM INTERMATABLE 013 0347 00 1 ADAPTER CONN VGA FEMALE TO DVI MALE DISPLAY See Description 1 CABLE ASSY POWER OPTION COUNTRY P N 0 161 0216 00 A1 UNIV EURO 161 0215 00 A2 UK 161 0066 10 A3 AUSTRALIA 161 0066 13 A5 SWITZERLAND 161 0154 00 A6 JAPAN 161 A008 00 A10 CHINA 161 0304 00 11 INDIA 161 0400 00 5 10 WVR8200 and WVR8300 Waveform Rasterizers Service Manual Replaceable Parts Fig amp index Tektronix part Serial no Serial no number number effective discont d Qty Name amp description 5 4 WVR8RFP Remote Front Panel Optional Accessory 1 200516100 1 COVER REMOTE FRONT PANEL 0 050 AL SAFETY CONTROLLE
12. Summary Vill WVR8200 and WVR8300 Waveform Rasterizers Service Manual Preface Manual Conventions Related Manuals Table i Related documentation This manual supports servicing to the module level of the WVR8200 and WVR8300 Waveform Rasterizers which rasterize video signals for XGA display The rasterizer finds use as a monitor for broadcasting production and post production environments This manual explains how to troubleshoot and service the rasterizer to the module level The manual is divided into the following sections Introduction provides a general product description and tells where to find product installation information Theory of Operation provides descriptions of the rasterizer modules Maintenance tells you how to troubleshoot the product to the module level and how to handle the modules Replaceable Parts illustrates the replaceable modules and mechanical parts and provides replacement part numbers The following terms and conventions are used throughout this manual The terms rasterizer and instrument are is used interchangeably to refer to the WVR8200 and WVR8300 Waveform Rasterizers Where information is model specific to either the WVR8200 or WVR8300 model it is indicated as such See page 1 1 Configurations This manual assumes you have access to the following manuals when servicing this product These manuals ship with the product and are also downloadable from the Tektronix Web site
13. about 6 V to 13 5 V depending on temperature and the options installed on the instrument If a fan is not spinning measure the voltage on pin of the connector on that fan If the voltage is near 13 V then replace the fan If the voltage is not above 10 V then replace the main board WVR8200 and WVR8300 Waveform Rasterizers Service Manual General Maintenance If all fans are spinning but any of the LEDs are hit the problem is probably the tachometer feedback line on pin 3 of the fan Inspect the wiring and resistors R635 and R637 R636 and R638 R426 and R429 R427 and R430 on the main board Use the oscilloscope to look for a 3 3 V square wave on the tachometer feedback line Replace the affected fan if resistors are intact but there is no signal on the tachometer line Primary Power Supply This section describes methods for verifying the proper operation of the primary Tests power supply A WARNING Some parts of this test may require removing the insulating safety shield To avoid personal injury be careful not to contact the circuitry while the shield is removed Be sure to replace the shield as soon as possible to prevent injury The main power supply accepts 90 to 264 VAC and outputs 3 DC voltages 5 V main 5 V standby and 12 V The 5 V standby is always present and powers the on off switch and the reverse voltage shutoff circuit The 5 V main and 12 V supplies are turned on or off by the front panel po
14. at 10 or 100 MBps LTC inputs come from the remote connector The LTC signal is applied to an A D converter and then input to the waveform processing FPGA which decodes the time code information NOTE The FPGAs decode VITC signals digitally The front panel contains a small processor which communicates with the control processor through RS232 signaling Reprogramming can be done through the SPI 1f the front panel processor flash code must be updated Composite Input Option CPS The Composite inputs are also passive loop throughs If unterminated the signal appears twice as large as it should The inputs are either AC or DC coupled depending on the DC Restore setting The selected input signal is filtered and applied to an A to D converter to generate a 14 bit parallel signal which is routed to the DSP FPGA on the Main board where it 15 demodulated in the digital domain Audio Options AD and DPE 2 4 Audio Processing The audio option if installed resides on the upper mezzanine board There are two audio options available m Option AD adds Analog Audio Monitoring 2 sets of 6 channel Analog Audio inputs and 8 channels of Analog Audio outputs and 16 channels Embedded and AES EBU Digital Audio support 8 channels at a time This option 15 available for all models m Option DPE adds Option AD capabilities plus support for decoding and monitoring Dolby E and Dolby D Audio This option is available for all models B
15. gy MTSE EI E ms umm us gp gt AER s 5m E m 1 De 5 a rbi il mi giu ms 5 5 SY ha E 2 me pa E i 6 4 aye Mu ee 5 w m o 5 2 Fr JN r TER V T oe ww WR 9 ga g A Bos POE s E a gt 3 di eL o ogi rn a Tu 000090035 amp f E B 5 3 TE 3 5g a B Ta i 0 fe ir H E L1 m B a n C MN e do PE Soie UT y 27 s ig gi SY Im O DOUCEUR o d 0 5 m ga ERI Dee See 1530 vin vaso ow Fi 8 E o e o n a xou aS e i i E o E e soo kusa e o 7 Au Fos 96 Figure 4 2 Options AD DPE Audio board component side 4 20 WVR8200
16. when operating it How often maintenance should be performed depends on the severity of the environment in which the instrument is used A proper time to perform preventive maintenance is just before any instrument adjustment The cabinet helps keep dust out and should normally be in place during operation WARNING 70 prevent injury or death power off the instrument and disconnect it from line voltage before performing any procedure that follows Use a dry low velocity stream of air to clean the interior of the chassis Use a soft bristle non static producing brush for cleaning around components If you must use a liquid for minor interior cleaning use a 75 isopropyl alcohol solution and rinse with deionized water Clean the exterior surfaces of the chassis with a dry lint free cloth or a soft bristle brush If any dirt remains use a cloth or swab dipped in a 75 isopropyl alcohol solution Use a swab to clean narrow spaces around controls and connectors Do not use abrasive compounds on any part of the instrument that may damage the chassis CAUTION Avoid the use of chemical cleaning agents that might damage the plastics used in the instrument Use only deionized water when cleaning the front panel buttons Use a 7526 isopropyl alcohol solution as a cleaner and rinse with deionized water Before using any other type of cleaner consult your Tektronix Service Center or representative WVR8200 and WVR8300 Waveform Rasteri
17. 1 COVER MINI 2X FEX 440 SAFETY CONTROLLED 19 211 0410 00 2 SCR ASSEM WSHR 4 40 X 0 437 PNH STEEL ZINC FINISH 10 TORX DR 20 335 2393 00 1 LABEL REAR PANEL SDI SAFETY CONTROLLED 21 214 3903 00 8 SCREW JACK 4 40 X 0 312 LONG 0 188 H HEX HEAD STAND OFF 4 40 INT THD X 0 312 THD EXT 4 40 STEEL ZINC PLATED 22 174 5652 00 1 CABLE ASSEMBLY POWER SUPPLY 10 PIN SAFETY CONTROLLED 23 174 5683 00 1 CABLE ASSEMBLY MALE TO MALE ETHERNET 24 174 5653 00 1 CABLE ASSEMBLY POWER SUPPLY HIGH CURRENT SAFETY CONTROLLED 25 174 5682 00 1 CABLE ASSEMBLY FRONT PANEL 10 PIN 1 Quantity varies with instrument options 5 6 WVR8200 WVR8300 Waveform Rasterizers Service Manual Replaceable Parts Figure 5 2 Replaceable parts standard 5 7 WVR8200 and WVR8300 Waveform Rasterizers Service Manual Replaceable Parts oe Tektronix part Serial no Serial no number number effective discont d Qty Name amp description 5 3 5 Options AD and DPE 1 671 9938 04 1 CIRCUIT BD ASSY DIGITAL ANALOG AUDIO 389357500 WIRED UNTESTED SAFETY CONTROLLED 2 131 7430 00 1 CONN DSUB SLDR CUP MALE STR 62 POS 0 100 CTR 30 GOLD 3 214 3903 00 2 SCREW JACK 4 40 X 0 312 LONG 0 188 H HEX HEAD STAND OFF 4 40 INT THD X 0 312 THD EXT 4 40 STEEL ZINC PLATED 4 131 7270 00 8 CONN RF PLUG BNC PCB PNL MNT FEMALE RTANG 75 OHM 0 510 H X 0 169
18. 25 HEX 4 878 0195 00 1 CIRCUIT BOARD ASSY UNTESTED WVR SDI 5 211 0722 00 3 SCREW MACHINE 6 32 X 0 250 PNH STEEL ZINC FINISH 15 TORX DR 6 131 M057 00 4 CONN RF PCB FEMALE BNC 750HM EDGE LAUNCH 7 146 0109 00 1 BATTERY DRY 3 0V LITHIUM MANGANESE DIOXIDE 210MAH 20 X 3 22MM COIN CELL WITH SOLDER TABS CR2032 1HF1 SAFETY CONTROLLED 8 131 7270 00 2 CONN RF PLUG BNC PCB PNL MNT FEMALE RTANG 75 OHM 0 510 H X 0 169 TAIL LOW PROFILE ZINC DIE CAST HOUSING 9 131 8271 00 1 CONN RF PLUG BNC FEMALE RTANG 75 OHM SMT CENTER PIN HIGH BW AND RETURN LOSS LOW PROFILE 0 515 TALL 0 275 CENTER OFFSET 30 GOLD 10 131 8098 00 1 CONN DVI I FEMALE RTANG PANEL MOUNT 11 131 7721 01 1 CONN JACK PCB PNL RJ45 CAT5E W LEDS YELLOW amp GREEN ORANGE FEMALE RTANG 8 POS 0 100 CTR 0 517 0 13 TAIL 10 100 1000 BASE TX AND RX MAGNETICS MODULE 30 GOLD SAFETY CONTROLLED 12 131 3925 00 1 CONN DSUB PCB FEMALE RTANG 9 POS 0 112 0 318 X 0 125 TAIL 4 40 THD INSERT BD RETENTION 30 GOLD 13 131 8276 00 1 CONN DSUB PCB FEMALE RTANG DUAL STACKED 15 POS HD LOWER 15 POS HD UPPER 14 337 4510 00 1 SHIELD INSULATOR MAIN 15 210 1039 00 7 WASHER LOCK 0 521 ID INT 0 025 THK STEEL ZINC FINISH 16 220 0497 00 7 NUT PLAIN HEX 5 28 X 562 HEX BRS NI NICKEL PLATED 17 134 0246 01 121 PLUG HOLE COVER BUTTON PLUG 0 578 HEAD DIA X 0 406 ACCOM 0 5 DIA HOLE 0 015 0 125 THK PNL NYLON BLACK 94V 2 18 200 4800 00
19. D 2 211073400 10 SCREW MACHINE 6 32 X 0 250 FLH100 STEEL ZINC FINISH 10 DR 3 441263500 1 CHASSIS REMOTE FRONT PANEL 0 050 AL SAFETY CONTROLLED WVR8RFP 4 878035000 1 CIRCUIT BOARD SUBASSY WVR8200 WVR8300 REMOTE KEYBOARD REGULATOR UNTESTED 389426700 5 131392500 1 CONN DSUB PCB FEMALE RTANG 9 POS 0 112 CTR 0 318 MLG X 0 125 TAIL 4 40 THD INSERT BD RETENTION 30 GOLD 6 211072200 3 SCREW MACHINE 6 32 X 0 250 PNH STEEL ZINC FINISH 15 TORX DR 7 214390300 2 SCREW JACK 4 40 X 0 312 LONG 0 188 H HEX HEAD STAND OFF 4 40 INT THD X 0 312 THD EXT 4 40 STEEL ZINC PLATED 8 174568200 1 CABLE ASSEMBLY FRONT PANEL 10 PIN 9 174544500 1 CABLE ASSEMBLY POWER 2 PIN CABLE PWR XLR RPAN TO BP PCB 2PIN WFM 2 5 J5 SAFETY CONTROLLED 10 211037200 2 SCREW MACHINE 4 40 X 0 312 PNH STEEL ZINC FINISH TORX T10 11 210058600 2 NUT PL ASSY WA 4 40 X 0 25 ZINC PLATED STEEL 12 863025901 1 CIRCUIT BOARD SUBASSY WVR FP TESTED 389415900 13 211037200 6 SCREW MACHINE 4 40 X 0 312 PNH STEEL ZINC FINISH TORX T10 14 311 2607 00 1 ENCODER DIGITAL CONTACTING ENCODER 24 CPR 24 DETENTS 6 MM DIA SHAFT 17 5 MM LENGTH SHAFT 12 MM BODY SIZE TOP MOUNT 0123 15 311 2580 00 2 ENCODER DIGITAL CONTACTING ENCODER 24 CPR NON DETENTED 6 MM DIA SHAFT 17 5 MM LENGTH SHAFT 12 MM BODY SIZE TOP MOUNT RE0123 16 366085901 3 ASSEMBLY KNOB 470 DIAMETER SOFT TOUCH 17 260289000 1 SWITCH KEYPAD ELASTOMERIC WVR
20. Option A1 Universal EURO CABLE ASSY PWR 3 0 75 SQ 250V 10A 99 0 L STR IEC320 EUROPEAN SAFETY CONTROLLED 161 0066 10 Option A2 United Kingdom CABLE ASSY PWR 3 1 0 MM SQ 250V 10A 2 5 METER STR IEC320 RCPT X 13A FUSED UK PLUG 13A FUSE UNITED KINGDOM SAFETY CONTROLLED 161 0066 13 Option A3 Australia CABLE ASSY PWR 3 1 0 MM SQ 250V 10A 2 5 METER STR IEC320 RCPT AUSTRALIA SAFETY CONTROLLED INSULATED PINS 161 0154 00 Option A5 Switzerland CA ASSY PWR 3 1 0MM SQ 250V 10A 2 5 METER STR IEC320 RCPT SWISS SAFETY CONTROLLED 161 0298 00 Option A6 Japan CABLE ASSY PWR 3 125V 7A JAPAN 98 LONG STR NEMA 5 15P PLUG X IEC320 C 13 RECEPTACLE SAFETY CONTROLLED 161 0304 00 Option A10 China CABLE ASSY PWR 3 1 0MM SQ 250V 10A 2 5 METER STR IEC320 3C CERTIFICATION RCPT CHINA SAFETY CONTROLLED 161 0400 00 Option A11 India CABLE ASSY PWR 3 1 0MM SQ 250V 6A 2 5 METER STR IEC320 C13 RCPT PLUG INDIA 5 12 8200 and WVR8300 Waveform Rasterizers Service Manual Replaceable Parts Figure 5 4 Replaceable parts WVR8RFP Remote Front Panel 5 13 WVR8200 and WVR8300 Waveform Rasterizers Service Manual Replaceable Parts desta Tektronix part Serial no Serial no number number effective discont d Qty Name amp description 5 5 Analog Audio Breakout Cable Optional Accessory 1 012 1688 00 1 CABLE ASSEMBLY ANALOG AUDIO BREAKOUT 2 200 4804 00 1 COVER SHIELD ELEC
21. PHY The Eye Pattern and Jitter Waveform displays are formed from data sampled from the input signal and the recovered clock sine wave Eye display bandwidth rise and fall time and transient response aberrations are controlled by circuits contained on the Eye board Cable Loss Approx Cable and Source Level Readout Problems These measurements are made by a cable meter circuit This circuit is located on the EYE board but is largely independent from the Eye and Jitter display and measurement functions If other EYE PHY functions operate correctly then a cable meter circuit problem is indicated Replace the EY E PHY board Jitter Readout and Jitter Meter Problems These measurements are derived from sampled recovered clock sine wave data Operation is unlikely to fail if the basic Eye pattern display works correctly Measurement accuracy is not adjustable but jitter noise floor depends on adjustment of Eye HD CDR calibration items Eye Amplitude Eye Risetime Eye Falltime and Eye Rise Fall difference Readout Problems These readouts are only available with Option PHY These readouts are derived from the Eye pattern display Measurement accuracy depends on the Eye Gain calibration items and on front end bandwidth and transient response which are not adjustable Operation is unlikely to fail if the basic Eye pattern display works correctly It is normal for these measurements to stop or become intermittent if there is excessive w
22. RX DR 16 213 0216 00 2 THUMBSCREW 10 32 X 0 85 0 375 OD HD SST W SLOT 17 354 0025 00 1 RING RETAINING EXTERNAL U O 0 187 DIA SFT 18 311 2607 00 1 ENCODER DIGITAL CONTACTING ENCODER 24 CPR 24 DETENTS 6 MM DIA SHAFT 17 5 MM LENGTH SHAFT 12 MM BODY SIZE TOP OUNT RE0123 19 311 2580 00 2 ENCODER DIGITAL CONTACTING ENCODER 24 CPR NON DETENTED 6 MM DIA SHAFT 17 5 MM LENGTH SHAFT 12 MM BODY SIZE TOP OUNT RE0123 20 366 0859 01 3 ASSEMBLY KNOB 470 DIAMETER SOFT TOUCH A 335 2118 00 1 LABEL FRONT PANEL LEXAN ID WVR8200 SAFETY CONTROLLED 335 2115 00 1 LABEL FRONT PANEL LEXAN ID WVR8300 SAFETY CONTROLLED 22 101 0179 00 1 TRIM FRONT PANEL WVR SAFETY CONTROLLED 23 260 2890 00 1 SWITCH KEYPAD ELASTOMERIC 24 863 0259 01 1 CIRCUIT BOARD SUBASSY WVR FP Includes 18 and 19 25 211 0372 00 6 SCREW MACHINE 4 40 X 0 312 PNH STEEL ZINC FINISH TORX T10 26 426 2635 00 1 FRONT FRAME ALUMINIUM SAFETY CONTROLLED 27 210 0457 00 3 NUT PL ASSEM WA 6 32 X 0 312 WILOCKWASHER STEEL ZINC FINISH 28 878 0197 00 1 CIRCUIT BOARD SUBASSY WVR USB HEADPHONE Includes USB port Headphone connector RJ45 connector 29 211 0372 00 2 SCREW MACHINE 4 40 X 0 312 PNH STEEL ZINC FINISH TORX T10 30 337 4466 00 1 SHIELD POWER SUPPLY BOTTOM 0 030 POLYCARBONATE SAFETY CONTROLLED WVR8200 and WVR8300 Waveform Rasterizers Service Manual 5 3 Replaceable Parts Fig amp index Tektronix part Serial no
23. Serial no number number effective discont d Qty Name amp description 31 119 7522 00 1 POWER SUPPLY 130W AC DC 90 264VAC 47 440 7 IN DC DC 117 300VDC IN OUTPUTS 5V 26A 12V 0 5A 5V 0 50A STANDBY REMOTE INHIBIT ACTIVE PFC OPEN FRAME 5X 3 0 X 1 3 UL CSA TUV ROHS SAFETY CONTROLLED 32 211 0722 00 4 SCREW MACHINE 6 32 X 0 250 PNH STL CDPL T 15 TORX DR 33 337 4469 00 1 SHIELD POWER SUPPLY TOP 0 030 POLYCARBONATE SAFETY CONTROLLED 34 407 5545 00 1 BRACKET CABLE RETAINER 35 119 7441 00 4 FAN ASSEMBLY DC 12V 0 105A 8 6 CFM 30DBA 3 LEAD TACH OUTPUT WITH CONN amp HOUSING SAFETY CONTROLLED 36 211 1161 00 8 SCREW MACHINE 4 40 X 1 500 PAN HEAD T 10 TORX ZINC PL 37 407 5375 00 1 BRACKET MOUNTING 0 050 AL SAFETY CONTROLLED 38 210 0457 00 2 NUT PL ASSEM WA 6 32 X 0 312 WILOCKWASHER STEEL ZINC FINISH 5 4 WVR8200 and WVR8300 Waveform Rasterizers Service Manual Replaceable Parts Figure 5 1 Replaceable parts standard 5 5 WVR8200 and WVR8300 Waveform Rasterizers Service Manual Replaceable Parts Fig amp index Tektronix part Serial no Serial no number number effective discont d Qty Name amp description 5 2 1 863 0193 01 1 CIRCUIT BOARD SUBASSY MAIN 2 211 0722 00 10 SCREW MACHINE 6 32 X 0 250 PNH STEEL ZINC FINISH 15 TORX DR 3 129 0208 00 9 SPACER POST 0 312 L 6 32 STUD BRS ELECTROLESS NICKEL 0
24. TION prevent damage from electrical arcing ensure that circuit boards and components are dry before applying power to the instrument Table 4 2 Internal inspection check list Item Inspect for Repair action Circuit boards Loose broken or corroded solder connections Burned circuit boards Burned broken or cracked circuit run plating Remove and replace damaged circuit board Resistors Burned cracked broken Remove and replace blistered condition damaged circuit board Solder connections Cold solder or rosin joints Resolder joint and clean WVR8200 and WVR8300 Waveform Rasterizers Service Manual with isopropyl alcohol 4 3 General Maintenance Troubleshooting 4 4 Table 4 2 Internal inspection check list cont Item Inspect for Repair action Capacitors Damaged or leaking cases Remove and replace Corroded solder on leads or damaged circuit board terminals Wiring and cables Loose plugs or connectors Firmly seat connectors Burned broken or frayed Repair or replace modules wiring with defective wires or cables Chassis Dents deformations and Straighten repair or replace damaged hardware defective hardware Cleaning Procedure Interior To clean the instrument interior perform the following steps 1 Blow off dust with dry low pressure deionized air approximately 9 psi 2 Remove any remaining dust with a lint free cloth dampened in isopropyl alcohol
25. WVR8200 WVR8300 Waveform Rasterizers and WVR8RFP Remote Front Panel Service Manual IIIIIIIIIIIIIIAIIIIAIIIIIII Tektronix 077 0394 00 Y WVR8200 WVR8300 Waveform Rasterizers and WVR8RFP Remote Front Panel Service Manual www tektronix com Tektronix 077 0394 00 Y Copyright Tektronix rights reserved Licensed software products are owned by Tektronix or its subsidiaries or suppliers and are protected by national copyright laws and international treaty provisions Tektronix products are covered by U S and foreign patents issued and pending Information in this publication supersedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tektronix Inc Contacting Tektronix Tektronix Inc 14150 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA For product information sales service and technical support 7 n North America call 1 800 833 9200 Worldwide visit www tektronix com to find contacts in your area Warranty Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one 1 year from the date of shipment If any such product proves defective during this warranty period Tektronix at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective produ
26. and WVR8300 Waveform Rasterizers Service Manual n e sah Hb WU ur um qamun E e Bo 100 00 TT p ete e o a ES FOREN S megge o dni zs ERETT amm 0 H dm A Ee B Le So Se 8 Bs FPGA ger SEC o Sam ER ge Tw a seso cobs programmed ER S o uw indicator dud m omg e sss sa w 0 E igg que 3 giga e T LEES e 2 pums Pl Lot et S mmm E LL s W 50 e dee D do o o 5 gd 00000000000000000H LU RITTER 0000000000000 e nn P e a E w ong Eu a e 18 m EFT EM 3 So i 20 QU 2d E lt ek E ss or E cR x C WE C ae M Te di 8 e Doa agii e e e um o O run mo KR ER mo O E ER 420 ite al rap i um oo 20 0 m am oo z General Maintenance DSP0 activity LED DSP1 activity LED Secondary supply test points Figure 4 3 Options AD and DPE Audio board back side indicator LED and test point locations WVR8200 and WVR8300 Waveform Rasterizers Service Manual 4 21 Repackaging Instructions Repackaging Ins
27. anel power button press then try a new front panel If that does not correct the problem there may be a main board failure in the power switch circuit WVR8200 and WVR8300 Waveform Rasterizers Service Manual 4 11 General Maintenance Secondary Power Supply Tests If the voltage at the output of the supply is not zero but still not correct check the input voltage If the input voltage is in the correct range then disconnect the cable at J17 from the main board and recheck the output voltage If the voltage 1 still not correct then replace the power supply If the no load output voltage is correct then reattach the cable to the main board and measure the current by clamping the ammeter around the red wire If the current is less than 20 Amps and the voltage is still bad then replace the power supply If the current is more than 20 Amps then remove module boards and recheck the current If it is still high then replace the main board If not then test with one option board at a time to find the one with excess current and replace that board There are multiple secondary supplies that are derived from the main 5 V supply Be sure all eight 5 V fuses are good as noted in Primary Power Supply Tests before checking the secondary supplies First check that the green LED DS19 is on which indicates there is some 5 V from the main supply Next check if any of the three red LEDs DS5 DS6 or DS7 are on These indicate failures on the
28. aveform noise aberrations jitter or cable loss WVR8200 and WVR8300 Waveform Rasterizers Service Manual General Maintenance 0522 Fan4 0523 Fan 3 0511 Fan 2 E Hd Ml Main board secondary supply test points Figure 4 1 Main board indicator LED connector and test point locations WVR8200 and WVR8300 Waveform Rasterizers Service Manual General Maintenance Ado sag P my EP Enid By C ay 43 Ce O oe Ss Di ig En 4 R MEZ 1 5 kx i PN w OLE E x we 37 NS Q 200 uus 7H ES Ems HS CU e a Ng LE E PL Ba Me ES va eme 5 E 2 tram
29. ct Parts modules and replacement products used by Tektronix for warranty work may be new or reconditioned to like new performance replaced parts modules and products become the property of Tektronix In order to obtain service under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix with shipping charges prepaid Tektronix shall pay for the return of the product to Customer if the shipment 15 to a location within the country in which the Tektronix service center is located Customer shall be responsible for paying all shipping charges duties taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Tektronix supplies or d to service a product that has been modified or integrated with other products when
30. d on the model and options installed Parts Ordering Information Module Servicing 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 Therefore when ordering parts it is important to include the following information in your order m Part number Instrument type or model number m Instrument serial number m Instrument modification number if applicable If you order a part that has been replaced with a different or improved part your local Tektronix field office or representative will contact you concerning any change in part number Modules can be serviced by selecting one of the following three options Contact your local Tektronix service center or representative for repair assistance Module Exchange In some cases you may exchange your module for a remanufactured module These modules cost significantly less than new modules and meet the same factory specifications For more information about the module exchange program call 1 800 833 9200 Outside North America contact a Tektronix sales office or distributor see the Tektronix Web site for a list of offices www tektronix com Module Repair and Return You may ship your module to us for repair after which we will return it to you New Modules You may purchase rep
31. de information to troubleshoot to the component level Standard boards and modules m Power Supply Front Panel board with buttons LEDs and knobs m Main board Optional boards SDI input for instruments without Option EYE or PHY Eye for Option EYE or PHY m Composite input for Option CPS m Audio for Option AD and DPE Dolby Decoder module for Option DPE WVR8200 and WVR8300 Waveform Rasterizers Service Manual 4 5 General Maintenance Table 4 3 Required test equipment Test equipment Requirements Example XGA Monitor Computer monitor capable of 1024 x 768 x 60 Hz scan rate SDI serial digital video test generator with embedded audio and composite signal source Varies with installed options SD Need SD SDI source HD Need HD SDI source 3 Gb s Need 3 Gb s SDI source CPS Need composite SDI source 1080p 59 94 3 Gb s HD signals required 100 color bars m SDI Matrix Split Field Pathological Signal 1080i 59 94 HD signals required m 100 color bars 10 bit shallow ramp m SDI Matrix Split Field Pathological Signal m 100 sweep Tektronix TG700 with an HD3G7 module Embedded audio needed for audio options Tektronix TG700 with HDVG7 module Embedded audio needed for audio options 525 270 SD signals required 100 color bars m 10 bit shallow ramp m SDI Matrix Split Field Pathological Signal m 100 sweep Tektronix TG700 with DVG7 module Embedded audio
32. during the boot sequence If the signal does not exhibit a low to high transition replace the main board If the signal does transition check pin 33 of J200 on the audio board If the signal does not toggle on pin 33 replace the cable WVR8200 and WVR8300 Waveform Rasterizers Service Manual General Maintenance Probe pins 31 and 32 of connector J26 during the boot sequence If the signal on either of these pins does not toggle replace the main board If both signals do toggle probe pins 31 and 32 of J200 on the audio board If the signal does not toggle on either pin suspect the cable Probe pin 30 of J200 on the audio board during the boot sequence If the signal does not exhibit a low to high transition replace the audio board If the signal does transition check pin 30 of connector J26 on the main board If the signal on pin 30 does not toggle suspect the cable if the signal on pin 30 does toggle suspect the audio board If all signals in a through d are correct replace the audio board 3 Ifthe Diagnostic Log screen reports the failure Audio DSP Self Test dsp0 perform the following procedure a Check to see 1f the audio board is recognized by the main board by pressing the Main button then CONFIG and selecting Utilities gt View HW SW Version If there is an audio option listed suspect the audio board otherwise proceed to step c Probe pins 3 through 14 on the main board connector J26 and verify
33. e DAC Comm Composite SPI Comm m Front Panel Version Information Perform primary power supply checks Perform secondary power supply checks Examine Power up Diagnostics results in the Diagnostic Log Run Advanced Diagnostics Replace Main circuit board Review messages in diagnostic log Perform primary power supply checks Perform secondary power supply checks Run Advanced Diagnostics and look for other information Replace the main board Review messages in diagnostic log Perform primary power supply checks Perform secondary power supply checks Run Advanced Diagnostics and look for other information Replace the Composite board Fails any of these Power On Diagnostics m Eye Hardware Revision m Eye Board Cable Version m Eye Register Readback m Eye Board Power Supply m Eye Board Cal Review messages in diagnostic log Perform primary power supply checks Perform secondary power supply checks Run Advanced Diagnostics and look for other information Replace the EYE PHY board WVR8200 and WVR8300 Waveform Rasterizers Service Manual 4 7 General Maintenance Table 4 4 Symptoms and causes cont Symptom Possible sources or recommended detailed troubleshooting procedure to follow Failures while running the advanced Perform secondary power supply checks diagnostics Replace main board m DSP1 QDR1 Memory 1 m DSP1 QDR2 Memory 2 m DSP2 QDR1 Memory 1 m DSP2 QDR2 Memory 2 m DSY DDR Buffer 1 Memory
34. e FPGA is converted from digital to analog and then sent as a balanced output to the 62 pin rear panel analog audio connector The AES B connectors can be configured as outputs for use with any input type They can serve as an active loopthrough if the input is AES a de embedder if the input is embedded or an A D converter if the input is analog Up to six decoded Dolby audio channels may be output if Option DPE is installed Option EYE PHY Options EYE and PHY provide the following features m Eye pattern display m Equalized Eye pattern display m Jitter readout m Jitter Meter m Cable Loss readout m Test Signal Output m Approx Cable readout m Source Level readout m Jitter waveform display Eye Amplitude readout WVR8200 and WVR8300 Waveform Rasterizers Service Manual 2 5 Theory of Operation 2 6 Operation Eye Risetime readout Eye Falltime readout m Eye Rise Fall difference readout 1 Requires Option PHY NOTE SD HD and 3 Gb s signals can be used with these features All instrument models come standard with SD SDI and HD SDI 3 Gb s signals require Option 3G be installed The hardware to support these features is contained on the EYE PHY board The Audio blocks are not shown in this block diagram but if installed still connect as shown in the Main Block diagram See Figure 2 1 on page 2 2 Each SDI input signal is applied to a cable equalizer The selected input signal is sampl
35. ed by a wide band track and hold circuit and then digitized The selected input is also applied to a clock recovery circuit The recovered clock is divided by 10 for SD by 20 for HD filtered to form a sine wave and then digitized Both the SDI input and the recovered clock sine wave are sampled by the same asynchronous clock and then both are passed to the main board for processing by FPGAs These arrays produce the Eye Display Jitter Display Jitter Readout and Jitter Thermometer The Eye Display data is further processed to derive the Eye Amplitude Eye Rise Time and Eye Fall Time measurements which are shown in the SDI Status Display The selected SDI input signal also drives the Cable Meter circuit which measures signal energy at two frequencies These measurements are read by the CPU on the Main board which calculates Cable Loss Approximate Cable Length and Source Level for display in the SDI Status screen WVR8200 WVR8300 Waveform Rasterizers Service Manual Theory of Operation Option CPS Option EYE PHY Composite I O SDI I O Board Sy See ee eae CY En Piso
36. eed at the target by measuring the fan tachometer output allowing reliable operation at low speed If a fan is not turning the circuit senses the stall and turns on a red LED DS11 DS12 DS22 or DS23 on the Main board The fans are tested at power on If a fan fails a message 15 shown on screen and also entered into the diagnostic log Power Supply and Distribution 2 8 The power supply has a universal AC input enabling it to accommodate 90 to 264 VAC without any user range switching The output is 5 VDC Circuits convert this output to any other supply voltage that they require at the point of usage Fuses on the Primary supply 5 V output protect the main board The secondary supplies and their tolerances are specified in the troubleshooting section The location of the supply test points is shown in the Maintenance section WVR8200 WVR8300 Waveform Rasterizers Service Manual Adjustment Procedures Adjustments The waveform rasterizer does not normally require any adjustments The adjustments which can be made are semi automated and should only be made while performing a Performance Verification Make the appropriate adjustment if the instrument fails one of these tests in the Performance Verification procedure m Cable Meter HD SD 3G Option EYE or PHY only m Jitter Noise Floor Option EYE or PHY only B Eye Gain Option EYE or PHY only m Output m Composite Analog Input DC Offset Restore O
37. een video signal to the oscilloscope input Use an oscilloscope with a 75 Q input or a 75 Q feed through termination WVR8200 and WVR8300 Waveform Rasterizers Service Manual 3 3 Adjustments PixMon PbPr Zero Level 3 4 4 Set the Oscilloscope Control Setting Vert 200 mV Div Horiz 20 us Div Trigger Edge 5 Press the Config button 6 Select Utilities gt Calibration Press SEL to enter the calibration menu 7 Navigate to the Pixmon YRGB black level calibration case and press SEL to start 8 Adjust the oscilloscope trigger level for a stable display 9 Use the General knob to adjust the signal black level to 0 V on the oscilloscope 10 Follow the instructions at the bottom of the calibration screen to Save and Exit Calibration mode 1 Connect a signal with an identifiable black level such as 0 Flat Field or 100 Color Bars to the SDI A input 2 Connect an XGA to 5x BNC adapter cable to the PixMon output 3 Connect the Pb Blue video signal to the oscilloscope input Use an oscilloscope with a 75 Q input or a 75 Q feed through termination 4 Set the Oscilloscope Control Setting Vert 200 mV Div Horiz 20 us Div Trigger Edge 5 Press the Config button 6 Select Utilities gt Calibration Press SEL to enter the calibration menu 7 Navigate to the Pixmon PbPr zero level calibration case and press SEL 10 to start Adjust the oscilloscope trigger level for a stable di
38. ff Option CPS only B Composite Analog Vertical Measurement Accuracy Option CPS only m Composite Analog Frequency Response Option CPS only m Analog Audio Level Meter Accuracy Over Frequency Options AD and DPE only After making the adjustment shown here repeat the failed Performance Verification step Required Equipment These adjustment procedures require the same equipment as the Performance Verification procedure For more details refer to Specifications and Performance Verification Procedures NOTE If you do not see the calibration case you are looking for make sure to go to the next page using the up or down arrow key WVR8200 and WVR8300 Waveform Rasterizers Service Manual 3 1 Adjustments 3 2 Cable Meter SD HD and 3G Clock Extractor Jitter Noise Floor Eye Gain 1 If any cable length reading is outside the specification perform the following adjustment procedure Perform both the Short and Long steps for any input SDI A or SDI B and any standard HD SD and 3 Gb s that was found to be outside the specification NOTE Be sure to use a generator with SDI output set as close as possible to 800 mV since the Cable Meter adjustment establishes the Source Level and the Approx Cable cable length calibration Press CONFIG select Utilities gt Calibration and then press SEL to start the calibration process Use the up and down arrow buttons to navigate to the Cable Meter calibrati
39. general 5 V general 3 3 V and processor 1 5 V supplies respectively If these are lit the most likely causes the fuses near J17 but if those are OK replace the main board Next check the secondary supplies as shown in the table See Table 4 5 Each supply has a test point on the Main board See Figure 4 1 on page 4 19 If any supplies are out of range replace the main board Table 4 5 Main board secondary supplies Nominal V Allowed range V Labeled as 1 8 1 7 to 1 9 18V Fan 5 to 13 5 FAN PWR 5 4 75 to 5 25 5V 3 3 3 2 to 3 4 33V 2 5 2 4 to 2 6 25V 1 5 1 4 to 1 6 15V 1 0 0 95 to 1 05 1 0V 5A 4 75 to 5 25 5 VA 4 75 to 5 25 5 VA 1 2 1 210 1 4 1 2V WVR8200 and WVR8300 Waveform Rasterizers Service Manual General Maintenance Check the Audio supplies on the Audio board if an Audio board is installed See Table 4 6 on page 4 13 The test points are available with the board installed See Figure 4 3 on page 4 21 Table 4 6 Audio board secondary supplies Supply name Range 1 26 V 1 20 to 1 32 1 5 V 1 425 to 1 575 11 8 V 1 71 to 1 89 3 3 V 3 1 to 3 6 5 VA 4 8 to 5 2 5 V 4 75 5 2 5V 4 5 to 5 5 15 V 14 to 15 5 15 V 14 to 15 5 The Eye board also has multiple secondary supplies The Power up Diagnostics measure these so they are not included in this procedure Note that some of these supplies are only active i
40. hat could result in damage to this product or other property These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking m WARNING indicates an injury hazard not immediately accessible as you read the marking m CAUTION indicates a hazard to property including the product The following symbol s may appear on the product A 5 CAUTION WARNING Protective Ground Standb Referto Manual High Voltage Earth Terminal tandby WVR8200 and WVR8300 Waveform Rasterizers Service Manual Service Safety Summary 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 Disconnect Power To avoid electric shock switch off the instrument power then disconnect the power cord from the mains power 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 WVR8200 and WVR8300 Waveform Rasterizers Service Manual vii Service Safety
41. he Symptom and Causes table See Table 4 4 on page 4 6 The procedures check for specific problems or will help you isolate a problem to a board You can run them at any time for informational purposes but if you do not run the procedures in the correct context then the final recommendation identifying a root cause might be suspect Check that the power cord is installed 1 Verify that the power cord is connected 2 Check that the monitor cable is connected on both ends and that the screws are holding it securely 3 Check that all internal cables are correctly connected and seated 4 Check for any discolored or burned components This instrument contains four fans They are controlled by both hardware and software Hardware controls the fans to a certain speed but software sets the speed target as a function of the temperature measured on a variety of temperature sensors If a fan fails its corresponding LED on the Main board lights m Fan 1 fails LED 0812 lights m Fan 2 fails LED DSII lights m Fan3 fails LED DS23 lights m Fan 4 fails LED DS22 lights A fan failure is sensed through tachometer feedback a fault will be asserted if the fan is not connected is stalled or if the tachometer feedback line is not working correctly If one fan fails the control circuit will increase the voltage to the 13 5 V max level causing the remaining fan to run at maximum speed The normal voltage to drive the fans pin 1 varies from
42. lacement modules in the same way as other replacement parts WVR8200 and WVR8300 Waveform Rasterizers Service Manual 5 1 Replaceable Parts Using the Replaceable Parts Lists This section contains lists of the mechanical and or electrical components that are replaceable for your instrument Use this list to identify and order replacement parts The following table describes each column in the parts list Column Column name Description 1 Figure amp index number Items in this section are referenced by figure and index numbers to the exploded view illustrations that follow Orderable modules show the figure number without an index number 2 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 No entry indicates the part is good for all serial numbers 5 Qty This indicates the quantity of parts used 6 Name amp description An item name is separated from the description by a colon Because of space limitations an item name may sometimes appear as incomplete Use the U S Federal Catalog handbook H6 1 for further item name identification Abbreviations Abbreviations conform to American National Standard ANSI Y 1 1 1972 5 2 WVR8200 WVR8300 Waveform Rasterizers Service Manual Replaceable Parts
43. mation Power On Procedure Power Down Procedure A Remote Front Panel WVR8RFP is available as a companion product When connected both front panels are fully operational This product is to be rack mounted For installation instructions refer to the WVR8200 WVR8300 Waveform Rasterizers Installation and Safety Instructions Hardware and software upgrades are available for all products either as a field upgrade kit or as a free software download from the Tektronix Web site WVR8200 WVR8300 Waveform Rasterizers User Manual includes instructions for updating product firmware For basic operating instructions refer to the WVR amp 200 WVR8300 Waveform Rasterizers User Manual For more detailed reference information refer to the instrument Online help Press the Help button on the instrument front panel and then use the General knob up down arrow keys and SEL button to navigate through the topics m Connect the supplied power cord to the rear panel power connector 2 Press the power button on the instrument front panel and the instrument will turn on 3 Walt for the system to complete its power on self tests NOTE The Standby button on the front panel does not disconnect mains power Only the power cord at the rear of the product can disconnect mains power 1 Pressthe power button on the instrument front panel to turn the instrument off 2 Toremove power completely disconnect the p
44. n AES test tone generator to the AES A IN 1 2 connector If there is nothing displayed on the surround display proceed to step otherwise replace the audio board Probe pins 3 through 14 on the main board connector J26 and verify that the signals on all the pins are toggling If any of the signals on pins 3 through 14 do not toggle replace the main board If they all do toggle check them again on the audio board J200 If any of the signals on the pins do not toggle on the audio board replace the cable Probe pins 15 and 20 on connector J26 during the boot sequence and verify that the signals on the pins toggle If they do not toggle suspect the main board If the signals do toggle check them again on the audio board J200 If any of the signals on the pins do not toggle on the audio board replace the cable Probe pin 27 on the audio board connector J200 If the signal on the pin does not toggle replace the audio board otherwise check it again on the main board connector J26 If the signal on pin 27 does not toggle on the main board then replace the cable otherwise replace the main board If all of these steps pass replace the audio board If the Power Up Diagnostics screen reports Audio DSP Self Test X where X 1s any other number or string replace the audio board To examine the Power up Diagnostics results press the CONFIG button then select Utilities gt View Diagnostic Log Each power on is indicated by a b
45. n either SD or HD mode so it is normal for some of them to not be present in some operating modes Front Panel Button Perform this test if the power supplies are good but none of the buttons are lit Troubleshooting or respond to presses 1 Cycle the power to the unit Immediately after power on the buttons should be lit one at a time in a walking pattern 2 Ifthe buttons are not lit check the 10 pin cable from the keypad to the main board J7 If the cable is connected and good then replace the front panel assembly Display Troubleshooting Perform this test if there is no display on the external monitor but the power supplies test as nominal 1 Connect an external XGA monitor to the DVI Primary output on the rear of the instrument 2 Cycle the power and watch the external monitor If the monitor does not display the boot up messages and normal operational screen replace the main board WVR8200 and WVR8300 Waveform Rasterizers Service Manual 4 13 General Maintenance Audio Power Up Diagnostic Failure It is sometimes difficult to isolate the root cause of audio problems Most audio problems are due to faults on the audio board but the audio board communicates with the main board so in some cases the problem may be there as well Audio Power up Diagnostic Detailed Information The Power up Diagnostic does the following m Reads all of the AES decoder internal registers and verifies that what is read is correct m Read
46. nd Causes table and the second section contains a set of Detailed Troubleshooting Procedures The table lists common problems and should help you identify the problem or it may direct you to one of the detailed troubleshooting procedures in the second section If you do not find your instrument s problem in the table or if no specific problem was reported by the user then follow the steps in the Unknown Problem section in the Symptoms and Causes table The WVR8200 and WVR8300 Waveform Rasterizers are highly configurable and behavior is sometimes complex Before troubleshooting in depth verify that The installed options are as expected See CONFIG gt Utilities gt View Instrument Options m The current settings support the expected behavior good first step is to recall the Factory Presets To do this press PRESET gt Recall Preset gt Recall Factory Preset To properly test this instrument you must have a known good XGA monitor and appropriate signal sources Depending on what portion of the instrument you are testing this might include Composite Video Serial Digital Video Analog Audio or Digital Audio In some cases you may also need receivers or an oscilloscope to check outputs These instruments consist of several boards and major components Some of these are optional as shown below The objective of this troubleshooting guide is to isolate a problem to a module or board so it can be replaced This guide does not provi
47. needed for audio options AES Audio Signal Generator If any audio option installed 48 kHz 24 bit word length signals Rohde amp Schwarz UPV Tektronix AM700 and AM70 Analog Audio Signal Generator Rohde amp Schwarz UPV Tektronix AM700 70 Voltmeter Fluke 87 or equivalent DC Ammeter with Clamp on pickup 20 Amp DC capable Fluke 336 or equivalent Oscilloscope Table 4 4 Symptoms and causes Symptom Video trigger capability Tektronix TDS3000C Series Tektronix DPO70404 Possible sources or recommended detailed troubleshooting procedure to follow No LEDs lit and XGA output not working 4 6 Perform general checks Perform primary power supply checks Perform secondary power supply checks Perform Front Panel button Troubleshooting Replace main circuit board or Front Panel assembly as indicated by above tests WVR8200 and WVR8300 Waveform Rasterizers Service Manual General Maintenance Table 4 4 Symptoms and causes cont Symptom Possible sources or recommended detailed troubleshooting procedure to follow Inconsistent or partial hardware failures Fails any of these Power On Diagnostics m Main Board Option m Main Board Power Supplies m Main Board Sensor m Main Board Serial EEPROM m Main Board Serial FLASH m DSPFPGA A B COMM m DSP FPGA A B Program m Display FPGA COMM m Display FPGA Program Fails any of these Power On Diagnostics m Composit
48. o one of the CMPST A input connectors and terminate the other connector with the precision terminator Set the precision generator for 700 mV Multiburst The top packet must be 5 75 MHz Press the CONFIG button Navigate to Utilities gt Calibration and then press SEL Select Composite Freq Peak and then press SEL Follow the on screen instructions to adjust the response Follow the instructions at the bottom of the screen to Save and Exit calibration mode Repeat the Composite Analog Frequency Response test in the Performance Verification procedure WVR8200 and WVR8300 Waveform Rasterizers Service Manual 3 5 Adjustments Analog Audio Level Meter Accuracy Over Frequency 3 6 If any of the Analog A Inputs failed to meet the specification or even if they are off by more than a few tenths of a dB the following input adjustment can be performed 1 Set the analog audio generator as follows Control Setting Frequency 1 kHz Output Level 18 dBu Audio Tone Output Impedance 100 2 Connect the generator balanced BAL analog output to the Analog input that requires adjustment Press the CONFIG button Navigate to Utilities gt Calibration and then press SEL Push the up or down arrow key until the desired Analog Audio input channel 1s highlighted and then press SEL Follow the instructions at the bottom of the screen to Save and Exit calibration mode Check for an indication of 18 dBu in
49. on case you want Press SEL to start and follow the on screen instructions Follow the instructions at the bottom of the screen to Save and Exit Calibration mode If the Jitter Noise Floor is outside of the specification perform the Eye CDR Null calibration as described below 1 2 3 Press the button Select Utilities gt Calibration and press SEL to enter the Calibration menu Use the arrow buttons to navigate to the appropriate Eye CDR Null calibration case Press SEL to start and follow the on screen instructions Follow the instructions at the bottom of the screen to Save and Exit Calibration mode Restart the Jitter Noise Floor test and then record the new values in the test record provided in the Specifications and Performance Verification manual If the Eye Gain is outside the specification perform the following adjustment procedure for SDI A and SDI B inputs 1 Connect a signal source with an 800 mV 1 MHz square wave signal to the SDI A input Make sure the source is calibrated and the signal amplitude is within a few millivolts of 800 mV Press the CONFIG button and then select Utilities Calibration Press SEL to enter the calibration menu Use the up and down arrow buttons to navigate to the appropriate Eye Gain Adjust selection and press SEL to start the calibration WVR8200 and WVR8300 Waveform Rasterizers Service Manual Adjustments 4 Follow the on screen instructions
50. oot time stamp followed by a list of power on tests If any failures are indicted then refer to the action as noted above To run the Advanced diagnostics press the CONFIG button then select Utilities 7 Run Advanced Diags Advanced Diagnostics includes tests that check interfaces between FPGAs and memory on the Main board If any of these tests fails replace the Main board WVR8200 and WVR8300 Waveform Rasterizers Service Manual Isolating Lissajous Display Errors General Maintenance The audio Lissajous phase display uses a serial data path between the audio and main boards A failure in this data path can be due to a problem on either board Perform the following tests to isolate the problem to one board or the other 1 Prepare a test oscilloscope with the following settings Control Setting Vertical Scale 2 00 Vidiv Horizontal Scale 200 ns div 2 Check the Lissajous bus clock by performing the following substeps a Put the oscilloscope probe on pin 62 of connector J200 on the audio board Verify the signal is 23 V and is a continuous 50 duty cycle squarewave b Ifthe signal at J200 is not as described in step a the audio board most likely has a failure otherwise proceed to step c c With the oscilloscope probe verify the signal at J26 pin 62 of the main board is as described in step a If it not as described suspect the cable if it is as described replace the main board 3 Check the Lissajous bu
51. ord disconnects the product from the power source Do not block the power cord it must remain accessible to the user at all times Do not operate without covers Do not operate this product with covers or panels removed Do not operate with suspected failures If you suspect that there is damage to this product have it inspected by qualified service personnel Avoid exposed circuitry Do not touch exposed connections and components when power is present Replace batteries properly Replace batteries only with the specified type and rating Recharge batteries properly Recharge batteries for the recommended charge cycle only Use proper fuse Use only the fuse type and rating specified for this product Wear eye protection Wear eye protection if exposure to high intensity rays or laser radiation exists WVR8200 and WVR8300 Waveform Rasterizers Service Manual General Safety Summary Terms in This Manual Symbols and Terms on the vi Product 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 These terms may appear in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices t
52. oth audio versions have the same basic processing engine This uses an FPGA to route the audio input into two DSP chips whose main function is to calculate the peak values for the selected meter ballistics response characteristics WVR8200 and WVR8300 Waveform Rasterizers Service Manual Theory of Operation The audio data has two paths to the display On one path peak values are sent to the control processor which then plots the bar and surround displays On the second path raw data samples are sent to the waveform processing engine which interpolates and plots it to generate the lissajous or phase display Audio Inputs There are three basic audio input paths AES analog and embedded AES inputs are accepted at rates up to 192 kHz Analog inputs are digitized at 48 kHz and then go through the same path as the AES inputs The embedded audio path starts at the waveform processing engine First the audio samples are extracted from the serial digital video data using a 12 288 MHz oscillator and sent to the audio board At the audio board the streams are multiplexed into the AES decoders and then follow the same path as the AES data The user can choose to have the de embedded audio output on the AES B port Audio Outputs There are two audio outputs Analog and AES Both outputs always follow the source that is currently selected for the audio bar display The analog outputs can come from any input The selected signal output from th
53. ower cord from the rear panel of the instrument WVR8200 and WVR8300 Waveform Rasterizers Service Manual Theory of Operation Theory of Operation WVR8200 and WVR8300 are modular waveform rasterizers They can be configured with options to accept Analog Composite inputs Audio options can add inputs for digital only or analog audio capability models use an external DVI I monitor for the display All models also have outputs to drive serial digital and analog picture monitors This theory of operation is mainly based on the High level block diagram See Figure 2 1 When necessary other block diagrams may also be referenced The lower portion of the block diagram covers functions on the main board The upper sections cover those of the optional video input and audio boards The primary functions on the main board are Serial digital input processing Reference input Waveform processing engine Rasterizing recursion and picture processing engine Control processor and its associated peripherals Auxiliary and ancillary data processing SU dg ues s UH cpm Secondary power distributions There are also miscellaneous circuits such as the thermal control system for the fan Power Distribution is not shown in the block diagram but is covered at the end of this section WVR8200 and WVR8300 Waveform Rasterizers Service Manual 2 1 Theory of Operation Power Distribution is not shown in the block diagram bu
54. owing precautions to avoid damaging internal modules and their components due to electrostatic discharge ESD 1 2 Minimize handling of static sensitive circuit boards and components Transport and store static sensitive modules in their static protected containers or on a metal rail Label any package that contains static sensitive boards Discharge the static voltage from your body by wearing a grounded antistatic wrist strap while handling these modules Do service of static sensitive modules only at a static free work station Nothing capable of generating or holding a static charge should be allowed on the work station surface Handle circuit boards by the edges when possible WVR8200 and WVR8300 Waveform Rasterizers Service Manual 4 1 General Maintenance 6 Do not slide the circuit boards over any surface 7 Avoid handling circuit boards in areas that have a floor or work surface covering capable of generating a static charge Inspection and Cleaning General Care Interior Cleaning Exterior Cleaning A 4 2 Inspection and Cleaning describes how to inspect for dirt and damage It also describes how to clean the exterior and interior of the instrument Inspection and cleaning are done as preventive maintenance Preventive maintenance when done regularly may prevent malfunction and enhance reliability Preventive maintenance consists of visually inspecting and cleaning the instrument and using general care
55. passed to the DSP FPGAs where they undergo measurement and raster processing The signal information is then passed to the DSY FPGA for picture processing recursion and display combining The result is shown on the external DVI I connector Reference Input The Reference input is a passive loopthrough which is AC coupled and buffered Operation varies depending on whether the instrument is operating in digital or composite input mode For digital inputs the reference signal 1s applied to a sync separator whose output is supplied to the DSP FPGA where the timing information is derived For composite inputs the reference signal 1 routed to the Option CPS composite input board where a 10 bit ADC digitizes the signal The digitized signal is then routed back to the DSP FPGA on the main board so the timing information can be derived as with the digital process Digital Waveform The data streams from the Composite and SDI video inputs are applied to the Processing Engine waveform processing FPGA This block deformats up samples interpolates demodulates and otherwise processes the data to generate the signals needed to create the displays Rasterizing Engine Rasterizer engine resides in the same DSP FPGA as the waveform processing engine This block builds up the variable intensity images in the fast static RAM For each pixel of the display the Rasterizer Engine increments the intensity of that pixel every time the waveform hits its coo
56. r audio DSP programming failures If the problem persists replace the audio board Unknown Problems An instrument may come into service with vague or intermittent symptoms In a case like this the following set of tests may help find the problem or the marginal condition 1 Check the diagnostic log This log records a variety of problems and will enable you to see messages for an error that may not be currently happening 2 Check the power supplies by performing the Primary and Secondary Supply checks A marginal supply can lead to intermittent operation if it is near the acceptable threshold This includes the main supply and the secondary supplies on each board 3 Perform the incoming inspection tests This will exercise a majority of the functions in the unit and includes the advanced diagnostics Some parts of the test may not be necessary for all problem areas 4 f the unit has an audio board remove it and recheck any problem areas in the video performance The Audio board can place too much of a load on the supplies if they are marginal If the performance changes with the audio board removed then you should perform the primary and secondary power supply checks and look for an excess load on one of the supplies WVR8200 and WVR8300 Waveform Rasterizers Service Manual 4 9 General Maintenance Detailed Troubleshooting Procedures General Checks Fan Failures The following tests should be run as indicated in t
57. rdinates As a result the waveform areas hit more frequently are brighter For any given frame the intensity map 1 built up in one memory chip and read out of the other The functions swap on the next field Recursion and Picture The output of the rasterizer feeds the picture and recursive processing engine Processing Engine second large FPGA This engine adds the previous frame to the present frame to reduce flicker and improve brightness It also converts the picture and waveform signals from the input rate of 50 or 59 94 Hz to 60 Hz frame rate to work with the DVI I monitor The picture and waveform data combine with the graphics and audio bar information from the control processor and then output to the XGA DAC to drive the external monitor Note that the parallel data from the serial digital inputs connect directly to this FPGA to provide the picture functionality bypassing the waveform processing engine Control Processor The control processor is in charge of all the operational modes in the instrument It draws the audio bars communicates with the front panel and controls most other internal devices though either the SPI or the I2C bus Audio data is input to the control processor via the 8 bit HPI bus WVR8200 and WVR8300 Waveform Rasterizers Service Manual 2 3 Theory of Operation LTC Front Panel The control processor interfaces to the Ethernet through a dual rate connection This allows the network connection to run
58. re 4 2 Figure 4 3 Figure 5 1 Figure 5 2 Figure 5 3 Figure 5 4 Figure 5 5 block Gia c ERR 2 2 Option EYE PHY block m me me rene 2 7 Main board indicator LED connector and test point 4 19 Options AD and DPE Audio board component 4 20 Options AD DPE Audio board back side indicator LED and test point locations 4 21 Replaceable parts standard 5 5 Replaceable parts standard 5 7 Replaceable parts 2222 me ee mese emen 5 9 Replaceable parts WVR8RFP Remote Front 71 5 13 Analog audio breakout cable assembly 0 0 0 2 5 14 WVR8200 and WVR8300 Waveform Rasterizers Service Manual lii Table of Contents List of Tables iv Table i Related 2 2 2 me ee nene ix Table 4 1 External inspection check 166 2 mee 4 3 Table 4 2 Internal inspection check 86 2 2 4 3 Table 4 3 Required test equipment ee me me mese nee nnns 4 6 Table 4 4 Symptoms and 8 eene ns 4 6 Table 4 5 Main board secondary supplies 2 2
59. s all of the D A internal registers and verifies that what was read is correct m Performs an active bit test on the A D output clocks m Checks the serial EEPROM to see which of the analog inputs have been calibrated Tests the Audio DSP FPGA interface m The main CPU detects if the DSP heartbeat fails This condition will be shown in the diagnostic log For audio boards not all errors are reported by the power on diagnostics Therefore if you are detecting a loss in audio functionality check the diagnostic log for any reported audio errors If any errors are found perform the following procedure to narrow the problem to either the audio board the main board or the connection between them 1 Prepare a test oscilloscope with the following settings Control Setting Vertical Scale 2 00 V div Horizontal Scale 5 00 us div 2 Ifthe diagnostic log contains an entry that reads Fail Audio DSP Self Test fpga do the following substeps a Check audio board DS0820 the FPGA programmed indicator in the Main board power supply test points and LEDs See Figure 4 1 on page 4 19 If this LED is off skip to step b otherwise probe pin 34 of connector J26 of the Main board during the boot sequence If the signal on the pin toggles replace the main board otherwise probe pin 34 of J200 on the audio board If the signal toggles on pin 34 replace the cable otherwise replace the audio board b Probe pin 33 of J26 on the main board
60. s frame and data signals by performing these substeps a Putthe oscilloscope probe on connector J200 pin 61 of the audio board and verify the signal is 3 V and toggles low at regular intervals b Ifthe signal on pin 61 looks OK put the oscilloscope probe on pin 63 Pin 63 is the data line and the signal will have a somewhat random look depending on the audio source Just verify that the signal is toggling and is 53 Vy c Ifeither signal looks bad at J200 the audio board most likely has a failure otherwise proceed to step d With the oscilloscope probe check the signal at pin 61 of J27 on the main board Verify the signal is 23 V and toggles low at regular intervals d Ifthe signal on pin 61 looks OK put the oscilloscope probe on pin 63 Pin 63 is the data line and the signal will have a somewhat random look depending on the audio source Verify that the signal 15 toggling and is RS Vas e If either signal is bad suspect the cable otherwise replace the main board WVR8200 and WVR8300 Waveform Rasterizers Service Manual 4 17 General Maintenance Option EYE PHY Troubleshooting The EYE PHY functions depend on the EYE and Main boards and the interconnections between them Major Operational or Diagnostic Failure Check that the 110 pin CPCI connector between the Eye and Main boards is correctly seated and secure Eye Pattern or Jitter Waveform Display Problems Jitter waveform display is only available with Option
61. splay Use the General knob to adjust the signal zero level to 0 V on the oscilloscope Follow the instructions at the bottom of the calibration screen to Save and Exit Calibration mode WVR8200 and WVR8300 Waveform Rasterizers Service Manual Adjustments Composite Analog Input Perform the following steps if the Offset is outside the specification DC Offset Restore Off Option CPS 2 1 Press the Config button Select Utilities gt Calibration and then press SEL to enter the calibration menu Navigate to Composite DC Offset and press SEL to automatically adjust the offset Follow the instructions at the bottom of the screen to Save and Exit Calibration mode Composite Analog Vertical Perform the following steps if the Amplitude is outside the specification Measurement Accuracy Option CPS m Uc 1 Connect a 100 color bar signal from the precision generator to the Composite A input Terminate the loop through with a precision 75 Q termination Press the CONFIG button Navigate to Utilities Calibration and then press SEL Select Composite Waveform Gain and then press SEL Follow the on screen instructions to adjust the gain Follow the instructions at the bottom of the screen to Save and Exit Calibration mode Composite Analog Perform the following steps if the Frequency Response is outside the specification Frequency Response Option CPS UN A Connect the precision video generator t
62. t is covered at the end of this section Option CPS Composite 1 SDI I O Board Audio Option Board CPSB IT SDIAOUT AESAAESB Analogin Analog out SDIB SDI B OUT Dolby D andE Dolby D Module Decoder 1 Audio FPGA EQ 6 Audio i Adds 2 Audio DSPs Reclocker Reclocker Lissajous Data AUDIO _ HEADPHONE P BUS DAC Z OUT Parallel to Serial SDI OUT Conversion PIX ANALOG DAC Z PIX OUT Picture Processing Recursion Measurement and Raster and P Processing DSP T Display Combining DSY FPGA DAC OUT CPU Graphics External Ref In Sync Black or Tri Level Stripper Capture Fast Static SDRAM Memory EP Picture SDRAM Power Front Panel CPU es Supply Buttons amp Knobs Peripherals EE _ Main Board 0394 001 Figure 2 1 Main block diagram 2 2 WVR8200 WVR8300 Waveform Rasterizers Service Manual Theory of Operation Main Board Serial Digital Input The serial digital circuitry receives the SDI input streams after they have been Processing equalized from either the SDI I O board or the EYE PHY board depending on the installed options The SDI streams are
63. that the signals on all pins are toggling If any signals are not toggling replace the main board If they all are toggling check them again on the audio board J200 If any of the signals do not toggle on the audio board replace the cable Probe pins 15 and 18 on connector J26 during boot up and verify that the signals toggle If they are not toggling suspect the main board If they are toggling check them again on the audio board J200 If either of the signals on pins 15 and 18 do not toggle on the audio board replace the cable Probe pin 25 on the audio board connector J200 during the boot sequence If the signal does not toggle replace the audio board otherwise check it again on the main board at connector J26 If the signal on pin 25 does not toggle on the main board then replace the cable otherwise replace the main board If all of these steps pass replace the audio board WVR8200 and WVR8300 Waveform Rasterizers Service Manual 4 15 General Maintenance Examine Power Up Diagnostics Results in the Diagnostic Log Run Advanced Diagnostics 4 Ifthe Diagnostics log reports Audio DSP Self Test dsp1 perform the following procedure a f Check to see if surround display is functioning correctly by doing the following i Press and hold the Audio button ii In the audio menu select Aux Display gt Surround Display iii Press the Audio Input Menu button then select Audio Input gt AES A iv Connect a
64. the effect of such modification or integration increases the time or difficulty of servicing the product THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES W2 15AUG04 Table of Contents General Safety Summary anna Service Safety o AAN E POENAE EHI FH pe vii Pd A Aia Ix Manual Convention nina E ix Related CREE ix Introduction Introduction use ski A 1 1 Service State Gy uu iio rer tanna 1 1 wur 1 1 Performance Verification essen 1 1 Options and coser ERR ae eek 1 1 Configurations etae de een 1 1 Hardware Installation x Pe eo ao ne kit 1 2 Product Upgrade T a a O E SENATE EEE 1 2 Operating
65. the newly adjusted audio bar If multiple inputs require adjustment repeat this procedure for each input After all adjustments are made you should perform a complete performance verification procedure WVR8200 WVR8300 Waveform Rasterizers Service Manual Maintenance General Maintenance This section contains the information needed to perform periodic and corrective maintenance on the instrument The following subsections are included Preventing ESD Preventing ESD General information on preventing damage by electrostatic discharge Inspection and Cleaning Information and procedures for inspecting and cleaning the instrument Troubleshooting Information for isolating and troubleshooting failed modules Included are instructions for operating the diagnostic routines and troubleshooting trees Most of the trees make use of the internal diagnostic routines to speed fault isolation to a module Removal and Replacement Procedures Information and procedures for removing and replacing modules in the instrument Repackaging Instructions Information on returning a instrument for service Before servicing this product read the Safety Summary and Introduction at the front of the manual and the ESD information below instrument N CAUTION Static discharge can damage any semiconductor component in the When performing any service that requires internal access to the instrument adhere to the foll
66. the product The specifications for this product are found in the WVR8200 and WVR8300 Waveform Rasterizers Specifications and Performance Verification Technical Reference located on the Product Documentation CD that ships with the product and is published on the Tektronix Web site See page ix Related Manuals Performance Verification The performance verification procedures for this product are found in the WVR8200 WVR8300 Waveform Rasterizers Specifications and Performance Verification Technical Reference located on the Product Documentation CD that ships with the product and is published on the Tektronix Web site See page ix Related Manuals Options and Accessories Configurations The lists of options and accessories for this product are found in the WVR8200 and WVR8300 Waveform Rasterizers User Manual located on the Product Documentation CD that ships with the product and is published on the Tektronix Web site See page ix Related Manuals The base instrument accepts an optional module for Analog Composite inputs Option CPS Other options add audio capability Eye diagram and physical layer analysis jitter analysis capability and advanced gamut monitoring capability For a complete list of options refer to the WVR8200 WVR8300 Waveform Rasterizers User Manual WVR8200 and WVR8300 Waveform Rasterizers Service Manual 1 1 Introduction WVR8RFP Hardware Installation Product Upgrade Operating Infor
67. tructions This section contains the information needed to repackage the instrument for shipment or storage Packaging When repacking the instrument for shipment use the original packaging If the packaging is unavailable or unfit for use contact your local Tektronix representative to obtain new packaging Refer to Contacting Tektronix following the copyright statement for the mailing address the email address and phone number Seal the shipping carton with an industrial stapler or strapping tape Shipping to the Service Center Contact the Service Center to get an RMA Return Material Authorization number and any return or shipping information you may need If the instrument is being shipped to a Tektronix Service Center enclose the following information m The number m The owner s address m Name and phone number of a contact person and serial number of the instrument Reason for returning m Acomplete description of the service required Mark the address of the Tektronix Service Center and the return address on the shipping carton in two prominent locations 4 22 WVR8200 and WVR8300 Waveform Rasterizers Service Manual Replaceable Parts Replaceable Parts This section contains a list of the replaceable modules for your instrument Use this list to identify and order replacement parts Note that not all parts listed in this section are present on every model The parts present will depen
68. using the General knob or the up and down arrow keys to adjust the displayed amplitude of the eye waveform until it is 800 mV 5 Press and hold STATUS and then select SAVE and press SEL 6 Repeat for the SDI B input 7 Follow the instructions at the bottom of the screen to Save and Exit Calibration mode m PixMon YPbPr Gain Connect a signal with an identifiable 100 level such as 100 Flat Field or 100 Color Bars to the SDI A input 2 Connect an XGA to 5x BNC adapter cable to the PixMon output 3 Connect the Y Green video signal to the oscilloscope input Use an oscilloscope with a 75 Q input or a 75 Q feed through termination 4 Set the Oscilloscope Control Setting Vert 200 mV Div Horiz 20 us Div Trigger Edge Press the Config button Select Utilities gt Calibration Press SEL to enter the calibration menu 5 6 7 Navigate to the Pixmon YPbPr Gain calibration case and press SEL to start 8 Adjust the oscilloscope trigger level for a stable display 9 Use the General knob to adjust the signal amplitude not including the sync pulse to 700 mV on the oscilloscope 10 Follow the instructions at the bottom of the calibration screen to Save and Exit Calibration mode PixMon YRGB Black Level 1 Connect signal with an identifiable black level such as 0 Flat Field or 100 Color Bars to the SDI A input 2 Connect an XGA to 5x BNC adapter cable to the PixMon output 3 Connect the Y Gr
69. wer button There is a green LED DS19 that will be lit if some 5 V power is present This is a useful indicator but does not insure that the voltage is within tolerance There are also several red LEDs that provide information on the health of other supplies on the board DS5 is a red LED that lights when the fused 5 V supply is low DS6 lights when the 3 3 V supply is low and DS7 indicates when the 1 5 V supply is low If the main power supply output is correct between 4 80 V and 5 25 V measured at connector J17 check the eight fuses in the 5 V system near the main board power connector J17 See Figure 4 1 on page 4 19 should have 5 V on both sides If not replace the fuse If the main power supply output voltage is zero measured at J17 pin 1 then check the AC input circuit The AC voltage should be the same at the line cord at the input to the power supply and on both ends of the fuse on the input to the supply If the input voltage 1 not correct at any point replace the element the chain that is not passing the AC input If the input voltage is correct check the 5 V standby supply at connector J25 pin 2 If the standby supply is zero then replace the main power supply If it is between 4 5 V and 5 5 V check the power supply inhibit line at J25 pin 5 If the power supply inhibit line 1s low then replace the main power supply If the power supply inhibit line is high and the unit does not respond to a front p
70. zers Service Manual General Maintenance Inspection Exterior Inspect the outside of the instrument for damage wear and missing parts using the following table as a guide Immediately repair defects that could cause personal injury or lead to further damage to the instrument Table 4 1 External inspection check list Item Inspect for Repair action Cracks scratches deformations damaged hardware Cabinet front panel and cover Repair or replace defective module Front panel knobs Missing damaged or loose knobs Repair or replace missing or defective knobs Broken shells cracked insulation and deformed contacts Dirt in connectors Connectors Repair or replace defective modules Clear or wash out dirt Rackmount slides Correct operation Repair or replace defective module Accessories Missing items or parts of items bent pins broken or frayed cables and damaged connectors Repair or replace damaged or missing items frayed cables and defective modules Inspection Interior To access the inside of the instrument for inspection and cleaning you will need to remove the top cover Inspect the internal portions of the instrument for damage and wear using the following table as a guide Defects found should be repaired immediately If any circuit board 1 repaired or replaced check the following table to see if it is necessary to adjust the instrument CAU

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