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Preface

xii

WFM 601 - Service Manual

The specifications contained in the Specification section of this manual should
be used by the servicing technician. Its tables contain Performance Verification
step numbers to make it possible to document the test methods used to verify the
accuracy of the instrument.

The User manual contains some servicing instructions for quick, non dangerous
operations; however, the bulk of the servicing instructions are located in this
manual. Note that there are specific procedures for troubleshooting and
disassembly in this manual, they should only be attempted by competent service
technicians. Items in the maintenance section contain both Warnings and
Cautions that should be read and followed when performing maintenance on the
instrument.

The last sections of this manual contain the Replaceable Parts Lists, Circuit
Board Illustrations, and Schematic Diagrams needed to isolate and replace faulty
components. Note that replacement part ordering information can be found in
the Maintenance section of this manual.

Readjustment

These instruments are designed to be returned to operation within

stated specifications through a PC-based adjustment procedure. The disk holder
for this manual contains two computer disks: 1. A software disk containing
instruments operating software (Version 2.2 or greater). 2. A calibration
software disk.

An IBM compatible personal computer (PC) with a DOS 3.3 or higher operating
system, and a 3

1

/

2

inch high density floppy drive is required to perform the

readjustment procedure or reload the operating software.

The spare software disk is provided in the event that the Main circuit board,
which contains the software, requires replacement.

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Содержание WFM601

Страница 1: ...Service Manual WFM601 Serial Digital Component Monitor 070 8876 00 Please check for change information at the rear of this manual First Printing May 1994 Revised October 1994...

Страница 2: ...708 Cable TEKWSGT Tektronix Television Division participates in the Broadcast Profession als Forum BPFORUM on the CompuServe Information Service Press releases on new products product specific newslet...

Страница 3: ...rranty shall not apply to any defect failure or damage caused by improper use or improper or inade quate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a...

Страница 4: ...The WFM601 Serial Digital Component Monitor...

Страница 5: ...espost wurde das Inverkehrbringen dieses Ger tes angezeigt und die Berechtigung zur berpr fung der Serie auf Einhalten der Bestimmungen einger umt TEKTRONIX NOTICE to the user operator The German Post...

Страница 6: ...s for Electrical and Electronic Measuring and Testing Equipment American National Standard ANSI ISA S82 1988 Safety Standard for Electri cal and Electronic Test Measuring Controlling and Related Equip...

Страница 7: ...nctional Overview 2 24 Displaying a Signal 2 27 Theory of Operation Block Diagram Description 3 1 Block Diagrams 3 1 Block Diagram 1 Input and Waveform Monitor 3 2 Block Diagram 2 Component 3 4 Block...

Страница 8: ...5 1 Recommended Equipment List 5 1 Getting Started 5 6 Functional Description of PC Display 5 7 Circuit Board Adjustment Locations 5 9 Waveform Illustrations 5 11 TSG 422 Signal Illustrations 5 16 Mai...

Страница 9: ...Contents WFM 601 Service Manual Revised Nov 1994 iii Electrical Parts List 8 1 Diagrams 9 1 Mechanical Parts List 10 1 Glossary Index Glossary G 1 Index I 1 Change Information...

Страница 10: ...Contents iv WFM 601 Service Manual Revised Nov 1994...

Страница 11: ...igure 5 3 RS232 cable hookups for 9 pin PC connector 5 4 Figure 5 4 RS232 cable hookups for 25 pin PC connector 5 5 Figure 5 5 Typical Adjustment Procedures PC screen display 5 7 Figure 5 6 A1 Power S...

Страница 12: ...olding the Main Circuit Board in Place 6 28 Figure 6 12 Securing Screws for the Power Supply Circuit Board 6 29 Figure 6 13 Securing Screws for the Deserializer Board 6 30 Figure 6 14 Pulling the Plug...

Страница 13: ...10 Table 1 15 Environmental Characteristics 1 11 Table 1 16 Certification 1 11 Table 1 17 Physical Characteristics 1 12 Table 2 1 Power Cord Options 2 8 Table 2 2 Remote Connector 2 10 Table 2 3 The A...

Страница 14: ...Contents viii WFM 601 Service Manual Revised Nov 1994...

Страница 15: ...s of life As marked on equipment CAUTION indicates an injury hazard not immediately accessible as one reads the marking or a hazard to the equipment or other property DANGER indicates an injury hazard...

Страница 16: ...use Use only the fuse of correct type voltage rating and current rating as specified in the parts list for the product Refer fuse replacement to qualified personnel Do not operate in an explosive atmo...

Страница 17: ...for a specific facility please consider the fact that this instrument contains etched circuit boards that utilize surface mount technology Surface mounted components are not soldered to the circuit b...

Страница 18: ...enance on the instrument The last sections of this manual contain the Replaceable Parts Lists Circuit Board Illustrations and Schematic Diagrams needed to isolate and replace faulty components Note th...

Страница 19: ......

Страница 20: ...re ment specific front panel settings can then be recalled by pushing the Preset Menu and selecting the desired preset by name or number Many of the functions that were formerly selected by changing i...

Страница 21: ...Y or G channel only H Vector Display fixed or variable gain 75 or 100 bars SMPTE EBU N10 H Lightning or Diamond display vertical gain same as waveform horizontal gain fixed magnified or variable 75 or...

Страница 22: ...the listed characteristic In addition the performance verification procedure step number used to verify the characteristic is also in this column Performance Requirements REQ Items with this designat...

Страница 23: ...e Channel Y to 5 0 MHz 2 Color Difference Channels PB PR to 2 5 MHz 2 REF Typically 1 to 5 75 MHz luminance Y channel and 1 to 2 75 MHz for the color difference PB or PR channel Transient Response REF...

Страница 24: ...dB REF 3 dB at not less than 500 MHz Performance Verification Procedure Step 21 Loop Through Isolation REF w50 dB to 300 MHz Serial Receiver Equalization Range Proper operation with up to 17 dB loss...

Страница 25: ...or Alarm REF Warns that a serial signal video error has occurred Detected Errors 1 Video missing 2 FF CRC error 3 AP CRC error 4 Any ESP flag set REF Front panel ALARM lamp REF Sets error flag output...

Страница 26: ...Field Displays 2 full fields and the field rate sync between them Sweep Linearity 1 Performance Verification Procedure Step 6 Magnified Sweep Accuracy 1 Line 0 2 ms division 1 2 Line 1 0 ms division 1...

Страница 27: ...tep 21 Table 1 9 COMPONENT VECTOR MODE CATEGORY DESCRIPTION Vector Display REF PB is displayed on horizontal axis and PR is displayed on vertical axis Vertical Bandwidth REF w1 0 MHz Horizontal to Ver...

Страница 28: ...ally on bottom half of display Table 1 11 BOWTIE MODE CATEGORY DESCRIPTION Common Mode Rejection Ratio REF w34 dB at 2 5 MHz Accuracy REF 3 Interchannel Timing Match 2 0 ns Performance Verification Pr...

Страница 29: ...e Phase Supply Connection REF Detachable cord set Power Consumption REF 110 VA 70 watts Table 1 14 CRT DISPLAY CATEGORY DESCRIPTION CRT Viewing Area REF 80 X 100 mm Horizontal 12 5 divisions Vertical...

Страница 30: ...18 total Transportation Qualified under NSTA Test Procedure 1A Category II 24 inch drop Equipment Type REF Measurement Equipment Class REF IEC 1010 1 Annex H Class I Installation Category Indoor use o...

Страница 31: ...PHYSICAL CHARACTERISTICS CATEGORY DESCRIPTION Dimensions Height 5 1 4 inches 133 4 millimeters Width 8 1 2 inches 215 9 millimeters Depth 18 1 8 inches 460 4 millimeters Weight Net 8 pounds 3 8 kilog...

Страница 32: ......

Страница 33: ...eplacement graticule light bulbs 6 Four replacement air filters This manual is shipped with two 3 5 inch high density floppy disks The disks will run on an IBM compatible PC with a DOS 3 3 or higher o...

Страница 34: ...s Operation in air flow restricted environments may lead to excessive heat build up All qualification testing for the WFM601 was performed in a 1700F00 cabinet To guarantee compliance with specificati...

Страница 35: ...1700F02 has a handle four feet and a flip up stand The mounting hole sizes and spacing are different from those of the 1700F00 All of the 1700 Series metal cabinets which also fit the WFM601 that are...

Страница 36: ...to the cabinet by two 6 32 Pozidriver screws located in the upper corners of the rear panel See Figure 2 3 Cabinet Securing Screws Figure 2 3 Rear View Showing the Securing Screws The optional 1700F05...

Страница 37: ...les CONTROLS FRONT PANEL TO RACK ALIGNMENT Figure 2 4 The 1700F05 Side by side Rack Adapter The rack adapter is adjustable so the instrument can be more closely aligned with other equipment in the rac...

Страница 38: ...n the blank side of the cabinet See Figure 2 6 1700F07 1700F05 Figure 2 6 1700F05 Rack Mounting with a 1700F07 Utility Drawer For applications such as consoles the instrument can be mounted with front...

Страница 39: ...trument Electrical Installation These monitors are designed to operate from a single phase power source having one of its current carrying conductors at or near earth ground the neutral conductor Only...

Страница 40: ...eclocked serial video that the WFM 601 outputs As shipped from the factory it is set to1 2 and provides an output amplitude of 800 mV Changing it to the other position 2 3 changes the output amplitude...

Страница 41: ...ernal termination to provide accurate measurement capabilities Maximum operating input voltage for all inputs is 1 8 V to 2 2 V dc plus peak ac Absolute maximum input voltage is 8 5 V to 8 5 V dc plus...

Страница 42: ...e 2 9 Rear panel REMOTE connector Table 2 2 Remote Connector Pin No Function Signal Requirement Miscellaneous Information 1 Unused 2 Ground 3 Unused 4 External Blanking Input Negative going signal Low...

Страница 43: ...s current setup at preset 3 20 Preset 4 Ground TTL low Grounding pin 20 recalls front panel set up from preset 4 Grounding pins 20 and 25 stores current setup at preset 4 21 Preset 5 Ground TTL low Gr...

Страница 44: ...ed in Flash EPROM that can be written over when upgrades become available In addition if the Flash EPROM is replaced it becomes essential to reinstall the software from the software floppy disk accomp...

Страница 45: ...olding in both buttons until you have turned instrument power on again and the instrument has returned to its normal operating state CAUTION Loading new software will result in loss of instrument cali...

Страница 46: ...r panel RS232 connector to the COM 1 2 3 or 4 connector on the PC as shown in Figure 2 11 Figure 2 12 or Figure 2 13 If pins two and three RXD and TXD are swapped as in some MODEM connections the upgr...

Страница 47: ...To PC 1 5 6 9 4 20 6 8 1 Figure 2 13 Wiring Adapter for PC with 25 Pin Connector 1 Run NVSAVE Execution time 1 minute a Turn on the WFM601 NOTE PC Floppy Drive or Hard Disk On PCs the drive letter for...

Страница 48: ...ute a Type CONVERT and ENTER 3 Prepare Waveform Monitor for Upgrade a Turn instrument power to STANDBY WARNING When power is supplied line voltage will be present in the instru ment even if the POWER...

Страница 49: ...OM port respond with the number of the port you are using c Wait for the message that the program execution is completed d Verify that step 4f has been performed e This completes the Software Upgrade...

Страница 50: ...Installation 2 18 WFM 601 Service Manual...

Страница 51: ...one level of horizontal magnification that may be turned on and off with the MAG button The level of magnification depends on the display type you can sequentially display the four magnified views by...

Страница 52: ...LIGHTNING BOWTIE SERIAL A VIDEO DISPLAY AUDIO ANALOG MULTIPLE VIDEO IN SERIAL EDH DET ALARM SERIAL B CH3 CH1 CH2 PARADE CLEAR 7 6 8 5 4 3 2 1 1 2 3 Tek COMPONENT ANALOG 2 4 KPB 100 50 Figure 2 14 WFM6...

Страница 53: ...the right side of the CRT to change the selections Figure 2 15 shows the bezel controls and buttons VERT POS HORIZ POS MENU CLEAR 7 6 8 5 4 3 2 1 1 2 3 Tek COMPONENT ANALOG 2 4 KPB 100 50 FOCUS SCALE...

Страница 54: ...itch If the menu display is not present but the menu function is still in effect LED is lighted push the menu button to bring back the full display then push it again to exit the menu Functional Overv...

Страница 55: ...Lightning and the Diamond displays Use the DISPLAY button on the CONFIG FORMAT menu to toggle between the Lightning and Diamond displays Press the front panel CLEAR MENU button to remove the menu from...

Страница 56: ...on does not cancel the current selection but adds to it Selecting SERIAL A can provide a side by side display of the CH A1 CH A2 and CH A3 or any combination depending on which channels are selected i...

Страница 57: ......

Страница 58: ...rations at the rear of this volume There are three large block diagrams Signal flow microprocessor generated levels and feedback lines are shown as solid lines Control lines are shown as dashed lines...

Страница 59: ...ide composite synchronization The Coprocessor also removes nonvideo data from the signal which includes End of Active Video EAV Start of Active Video SAV and ancillary data Lastly the Coprocessor main...

Страница 60: ...d control voltages Magnification is switched by a signal from the Line Rate Controller An offset voltage from the DACs vertically positions the display When CRT readout is being processed the gain of...

Страница 61: ...t is controlled by the Line Rate Controller It selects the blanking unblanking signals that drive the Z Axis Amplifier which drives the CRT control grid Block Diagram 2 Component The Y PB PR Reconstru...

Страница 62: ...ed in a Flash Erasable Programmable Read Only Memory EPROM The Non Volatile Random Access Memory NOVRAM stores all of the constants used by the Micropro cessor The Random Access Memory RAM is used to...

Страница 63: ...the DACs and the serial parallel registers used for the Remote and Front Panel There are a number of D to A Converters DACs used to decode Microproces sor instructions and output positioning gain and...

Страница 64: ...es the 75 input of the Deserializer on diagram 2 The gain from input bnc connector to J1 is 0 85 The reclocked serial signal from the Deserializer Diagram 2 passes back through the Input board to the...

Страница 65: ...V or reduced to 740 mV some first generation serial equipment requires a reduced level to drive the 75 rear panel Serial Out Diagram 3 Coprocessor Data from the Deserializer is input to the Coprocesso...

Страница 66: ...posite sync signal used by the Component circuitry BLANK An active low signal that controls switches that control the input levels to the Component Amplifiers during the vertical interval CLAMP PLS An...

Страница 67: ...generates the 13 5 and 6 75 MHz enable and clock signals for the recovery of the luminance and color difference signals from the digital input Because the Y PB and PR signals are present on the digita...

Страница 68: ...ts the 10 bit digital input data to an output analog current The enable signal from the regenerated clock is at twice the luminance frequency 27 MHz R271 is a 75 terminating resistance that converts t...

Страница 69: ...ference filters are identical The input is band pass filtered by a 5th order elliptical filter with a 60 dB stop point at 10 MHz Filter bandwidth is approximately half that of the luminance Y filters...

Страница 70: ...the DAC on Diagram 10 The clamping pulse is from the Coprocessor The Transcoder is in operation under all circumstances however the Monitor Output can display either color difference or RGB When the d...

Страница 71: ...t limit errors U76 inverting input is a summing junction where composite sync is inserted for the G Y Monitor Output to synchronize a picture monitor U74A is an inverter and Q441 an emitter follower d...

Страница 72: ...plifier It is used as a differenc ing amplifier in the bowtie mode and on alternating lines and a noninverting amplifier in the lightning and diamond modes In the bowtie mode Y is applied to the input...

Страница 73: ...ir operation is very similar to that of the vertical amplifier clamps The Horiz Offset from the DAC Diagram 10 positions the clamped backporch levels to the center of the lightning graticule box horiz...

Страница 74: ...or B3 or a combina tion of the three to drive the Luminance Filter Chrominance Filter or the unfiltered Flat input to the Filter MUX on diagram 12 In addition the INT VIDEO signal is recovered from th...

Страница 75: ...e Line Rate Controller shown on Diagram 15 The Y Audio and Time Code not implemented inputs are differential U84A Audio and U88B Time Code are converters for the differential inputs that output a sing...

Страница 76: ...the Horizontal Signal Multiplexer The Horizontal Signal input selection consists of dual in line package DIP switch segments U59 U63 U70 and U94 and an 3 to 8 line decoder U60 The decoder is controll...

Страница 77: ...ly Shunting resistors across Q8 and Q15 lessen power dissipation in the current source Q28 CR8 is a boot strap circuit to divert current to the negative going side when the amplifier is slewing rapidl...

Страница 78: ...its and U16 the upper 8 bits It is read out when FLASH RD LO and RD HI are pulled low Flash EPROM output is written into the Random Access Memory RAM U11 U17 when SRAM WR LO and WR HI are pulled low T...

Страница 79: ...U52 Each latch is clocked by its own individual output from the Line Rate Controller Diagram 16 Readout The Readout Control state machine interprets the readout instructions from the Microprocessor a...

Страница 80: ...lines The AC DC switching controlled by Q24 is not used by the WFM601 U32 and U38 are 8 bit serial in parallel out shift registers that generate DAC load and chip enable signals These signals are use...

Страница 81: ...hat can be read by the Micropro cessor Diagram 14 on the serial bus MISO U49 is a 4 section Dual In line Package DIP switch Blanking selection signals from the Dynamic Control Diagram 15 going low clo...

Страница 82: ...flop Diagram 21 Low Voltage Power Supply The Low Voltage Power Supply converts the mains line voltage 90 250 Vac to supply the power requirements of the instrument The voltages supplied by the Low Vo...

Страница 83: ...er current feedback loop directly controls the switcher MOSFET peak current The outer voltage feedback loop programs the inner loop peak current trip point U6 pin 2 is the inverting input of an intern...

Страница 84: ...e error amplifier regulates the 5 V output by feeding an error signal to the pulse width modulator U3A is a voltage reference that outputs 2 5 V for the operational amplifier U3B R71 and R73 provide a...

Страница 85: ...igh Voltage Power Supply constant under varying load conditions by controlling the base current to Q7 The 100 V output is regulated directly while the High Voltage Power Supply is indirectly regulated...

Страница 86: ...et by the front panel INTENSITY control through the Z Axis Amplifier The clipped sinewave is coupled through C12 to a rectifier made up of CR5 and CR6 The rectified clipped sinewave is the CRT control...

Страница 87: ...Theory of Operation 3 30 WFM 601 Service Manual...

Страница 88: ......

Страница 89: ...Reference Return Loss is 3 1 1 The performance verification procedures should be performed at regular intervals to ensure that instrument performance is within tolerance The recommended interval for p...

Страница 90: ...Power Module 6 Audio Signal Source Range Frequency 1 kHz to 20 kHz Amplitude 2 to 9 volts For example Tektronix FG503 installed in a TM500 Series Power Module 7 Power Module For powering and housing...

Страница 91: ...h are for use on the Serial Inputs and 1 should be a standard for use on the External Reference Input The fourth one should be a feed through type For example 75 End line Terminations 26 dB to 300 MHz...

Страница 92: ...1 Audio Cable Adapter Calibration Data Report The Calibration Data Report that follows can be used to document instrument performance In addition it can be used as a short form Performance Check for...

Страница 93: ...Line 5 ms DIV 1 cycle 2 div 0 5 mi nor div 2 Line 10 ms DIV 1 cycle div 0 5 minor div 2 Line Magnified 1 ms DIV 1 cycle 10 div 0 5 mi nor div 1 Line Magnified 200 ns DIV 1 cycle 2 div 0 5 mi nor div...

Страница 94: ...Bandwidth 3 dB at w500 kHz 19 EXT REF Return Loss w40 dB to 6 MHz 20 Serial Video Input Return Loss Power on w25 dB to 1 270 MHz 20 Serial Video Input Return Loss Power off w15 dB to 1 270 MHz 20 Seri...

Страница 95: ...gnal generator black burst signal to the WFM 601 EXT REF connector Connect a 75 end line termination to the remaining side of the EXT REF loop through connector e Turn the WFM601 POWER ON f Enter the...

Страница 96: ...els set will remain after the CLEAR MENU or CRT menu button is pushed 4 Check Horizontal Mag Registration and Position Range REQUIREMENT Any portion of the synchronized sweep can be positioned onscree...

Страница 97: ...SWEEP f CHECK for one cycle of calibrator signal per 10 major divisions 0 5 minor division over the center 10 divisions g CHECK both ends of the magnified sweep for one cycle of calibrator signal per...

Страница 98: ...of signal n Select 1 FIELD SWEEP o CHECK for approximately 12 divisions of signal p Select 2 FIELD SWEEP q CHECK for approximately 12 divisions of signal r Push EXT REF to turn it off 8 Check Vertical...

Страница 99: ...CK adjust the VAR GAIN control for a 7 division signal amplitude Variable gain should still be turned on from step g p Select X1 q Adjust the VAR GAIN for maximum signal amplitude r Position the botto...

Страница 100: ...reading of 99 to 101 mS i Exit the CURSOR menu 10 Check PIX OUT Gain REQUIREMENT Active Video Gain Accuracy 700 mV 3 a Connect the output from the MON OUT G to the test oscilloscope through a 75W fee...

Страница 101: ...ope to the WFM601 MON OUT R n CHECK the amplitude of the signal on the test oscilloscope for 679 to 721 mV peak to peak o Go to the CONFIG menu FORMAT and set the MON OUT AS to YPBPR p CHECK for an ov...

Страница 102: ...0 25 box with the X1 color black dot centered in box a Center the color black dot with the HORIZ and VERT POS controls in the center box b Enter the GAIN menu and select X5 c CHECK that the color blac...

Страница 103: ...Turn on SWEEP MAG d Position display to place the null and center marker of the Bowtie display onto the graticule area See Figure 4 3 20 ns 4 ns NULL Figure 4 3 HF Bowtie Magnified to Measure Null Off...

Страница 104: ...8 71 V 17 Check Audio Phasing and Bandwidth REQUIREMENT X Y Input Phase Match v1 measured at 20 kHz Audio Bandwidth 3 dB at w500 kHz a Re enter the GAIN menu and select 0 dBu b Set the function gener...

Страница 105: ...gnal generator d CHECK that a video waveform appears e Press the WFM 601 EDH DET button f CHECK that the EDH readout appears onscreen g Push the menu designated RESET ERRORS button h Allow the instrum...

Страница 106: ...e spectrum analyzer External Attenuation Amplitude by the amount noted in the previous step Note The Reference Level Readout should now be 0 00 dBm m Connect the precision high frequency terminator to...

Страница 107: ...precision high frequency terminator to the Device Under Test connector on the RF Bridge j CHECK that the frequency response from 0 MHz to 270 MHz is 25 dBm k Return the spectrum analyzer frequency mar...

Страница 108: ...UIREMENT 50 kHz 300 MHz 1 0 dB a Connect a precision 50 cable from the spectrum analyzer TG Output to a 50 to 75 minimum loss attenuator b Connect a precision 50 cable from the spectrum analyzer RF In...

Страница 109: ...WFM 601 SER A INPUT p CHECK that the spectrum analyzer trace is within 1 major division 1 dB of the reference level established in step l Channel selected or not q Move the cables and the 50 to 75 min...

Страница 110: ...Performance Verification 4 22 WFM 601 Service Manual...

Страница 111: ......

Страница 112: ...on includes the following H Recommended Equipment List Page 5 1 H Getting Started Page 5 6 H Functional Description of the PC Display Page 5 7 H Circuit Board Adjustment Locations Page 5 9 H Waveform...

Страница 113: ...Series Power Module 5 Power Module For powering and housing Tektronix FG501A and DM504A For example Tektronix TM500 Series Power Module 6 Function Generator 1 kHz output 2 V to 9 V amplitude For examp...

Страница 114: ...BNC SIGNAL GROUND PLUG JUMPER FEMALE CONNECT PIN 1 OF THE PLUG JUMPER TO PIN 1 OF THE CONNECTOR Figure 5 1 Jumper Cable Adapter 10 Audio Cable Adapter BNC SIGNAL GROUND FEMALE 1 13 8 25 Pin Male Conn...

Страница 115: ...onnector For a 25 pin to 9 pin adapter construct one as shown in Figure 5 4 or purchase an RS232 DTE cable or adapter Do not use a DCE or modem cable 9 Pin Female Connector 1 1 5 9 6 To WFM 601 GND To...

Страница 116: ...o WFM 601 3 4 5 20 7 GND 1 6 8 2 3 1 13 2 5 9 6 3 4 5 7 GND 1 6 8 2 3 4 8 7 Alternate Hookup Standard Hookup 25 Pin Female Connector To PC 25 14 9 Pin Male Connector To WFM 601 20 Figure 5 4 RS232 cab...

Страница 117: ...unications with the instrument Turning the instrument power ON after the Adjustment Procedures program is started can cause the PC to lock up requiring a system reset 2 Load the Adjustment Procedures...

Страница 118: ...ers before the actual adjustment steps start Functional Description of the PC Display 4 8 1 70 3 2 8 78 6 5 2 95 27 7 2 5 87 7 5 8 78 6 5 2 95 27 7 2 5 87 7 5 8 78 6 5 2 95 27 7 2 5 87 7 5 0 7 1 7 5 6...

Страница 119: ...sing this key returns the Adjustment Procedures program to the beginning of the current step All front panel settings and internal instrument settings are returned to their former state the same state...

Страница 120: ...fault adjustment size and is used to bring an adjustment close to proper position F10 Selects X100 as the adjustment size X100 is the largest adjustment size and is used to rough in adjustments that a...

Страница 121: ...5 U78 R182 R183 C91 C131 L6 L5 C151 C154 C135 C137 RED L9 BLU THESE PARTS ARE NOT ADJUSTED Figure 5 7 A3 Main Board J6 TP1 TP2 J4 8 8 R2 A A Figure 5 8 A5 Deserializer Board C711 C721 C731 C74 C136 C1...

Страница 122: ...WFM 601 Service Manual 5 11 R1 Q1 Figure 5 10 A8 DAC Board Waveform Illustrations 7 6 8 5 4 3 2 1 1 2 3 Tek COMPONENT ANALOG 2 4 KPB 100 50 HORIZONTAL CENTER GRATICULE MARKS Figure 5 11 Graticule hor...

Страница 123: ...T ANALOG 2 4 KPB 100 50 POSITION THE TOP OF THE CROSSHAIR JUST TO THE 0 7 GRATICULE LINE POSITION THE CROSSHAIRS ONTO THE GRATICULE BASELINE Figure 5 12 Adjusting post readout and gain 50mV 500us ADJU...

Страница 124: ...4 3 2 1 1 2 3 Tek COMPONENT ANALOG 2 4 KPB 100 50 CHECK FOR AMPLITUDE CHANGE AS THE WAVEFORM IS MOVED VERTICALLY OVER THE ENTIRE GRATICULE NOTE THIS EXAMPLE SHOWS AN OUT OF SPECIFICATION WAVEFORM FOR...

Страница 125: ...S THE NULL POINT OF THE LEFT BOWTIE DISPLAY A7C507 MOVES THE NULL POINT OF THE RIGHT BOWTIE DISPLAY A7C308 MOVES THE NULL POINTS OF BOTH OF THE BOWTIE DISPLAYS Figure 5 16 Adjusting the Bowtie display...

Страница 126: ...625 50 ADJUST FOR BALANCED MINIMUM OPENINGS Figure 5 18 Adjusting Diamond Display phase 7 6 8 5 4 3 2 1 1 2 3 Tek COMPONENT ANALOG 2 4 KPB 100 50 20 40 1 2 1dB POSITION CORNER OF AUDIO BOX Figure 5 1...

Страница 127: ...2 signal illustrations on the following pages are provided as a reference They are shown in a three channel parade as they would appear on the WFM 601 in the Waveform display mode 7 6 8 5 4 3 2 1 1 2...

Страница 128: ...Service Manual 5 17 7 6 8 5 4 3 2 1 1 2 3 Tek COMPONENT ANALOG 2 4 KPB 100 50 Figure 5 21 100 color bars without level reference signal 7 6 8 5 4 3 2 1 1 2 3 Tek COMPONENT ANALOG 2 4 KPB 100 50 Figur...

Страница 129: ...e Manual 7 6 8 5 4 3 2 1 1 2 3 Tek COMPONENT ANALOG 2 4 KPB 100 50 Figure 5 23 5 step staircase signal 7 6 8 5 4 3 2 1 1 2 3 Tek COMPONENT ANALOG 2 4 KPB 100 50 Amplitude smaller than the limit ramp s...

Страница 130: ...Manual 5 19 7 6 8 5 4 3 2 1 1 2 3 Tek COMPONENT ANALOG 2 4 KPB 100 50 Amplitude larger than the oversized ramp signal Figure 5 25 Limit ramp signal 7 6 8 5 4 3 2 1 1 2 3 Tek COMPONENT ANALOG 2 4 KPB 1...

Страница 131: ...cedure 5 20 WFM 601 Service Manual 7 6 8 5 4 3 2 1 1 2 3 Tek COMPONENT ANALOG 2 4 KPB 100 50 Figure 5 27 100 line sweep signal 7 6 8 5 4 3 2 1 1 2 3 Tek COMPONENT ANALOG 2 4 KPB 100 50 Figure 5 28 Mul...

Страница 132: ......

Страница 133: ...ding to the instructions at the end of this section Preventive Maintenance Preventive maintenance consists of cleaning visual inspection performance checking and if needed readjustment The preventive...

Страница 134: ...ently for dust and grime buildup A supply of replace ment filters was shipped with this instrument Filter Replacement Replacement consists of removing two screws from the fan cover lifting out the old...

Страница 135: ...tatic sensitive components or assemblies in their original containers on a metal rail or on conductive foam Label any package that contains static sensitive components or assemblies 3 Discharge the st...

Страница 136: ...lar instrument was missed for a field upgrade and therefore does not perform up to expectation Prior to servicing it is wise to determine that the instrument has software that matches the level specif...

Страница 137: ...nent failure Once the type of failure has been determined proceed on to identify the functional area most likely at fault 4 Visually inspect the suspect assembly for obvious defects Most commonly thes...

Страница 138: ...1 The fuse should only be replaced with the correct type and value Using a higher rated or slo blo fuse could cause circuit damage The correct value and type is silk screened on the circuit board adja...

Страница 139: ...Operation is recommended before attempting repairs The Troubleshooting Procedure for the Power Supply Assembly A1 is split into two sections the Low Volts and High Volts Supplies Start the procedure...

Страница 140: ...10 5 to 12 0 V W3 11 V 10 5 to 12 0 V W2 40 V 39 0 to 41 0 V NOTE The Low Volts power supply troubleshooting is performed without applying ac power b Disconnect ac power from the instrument Disconnec...

Страница 141: ...NOTE The variable power supply used in the following checks must have a current limit of 1 ampere or less b Connect the negative output from the 20 Vdc Power Supply to TP1 and the positive output to R...

Страница 142: ...TP3 d Using the oscilloscope observe the signal at U8 pin 5 It should toggle between 0 and 5 Vdc when J3 is shorted and unshorted If the pulse is not present continue with the check e Using the oscill...

Страница 143: ...fire and pull the voltage below 1 V 7 Shut Down Logic Check a Connect the negative output of the 20 Vdc Power Supply to TP3 Connect the positive output to the cathode of CR22 b Connect the digital mu...

Страница 144: ...lay High Voltage Oscillator Check CRT Voltage Check 2 Focus Amplifier Check a Using the digital multimeter measure the voltage between TP1 and the collector of Q2 b It should vary from 0 to 300 Vdc wh...

Страница 145: ...6 4 to 11 V CR9 cathode Approximately 100 V 6 CRT Voltage Check NOTE This check requires a high voltage probe having an input resistance of 1 GW or more a Connect the high voltage probe ground to TP1...

Страница 146: ...tor the instrument type and operating options when calling for assistance The module exchange program provides an easily accessible means of returning an instrument to operational status The defective...

Страница 147: ...Name First Seven Digits of the Part Number Part Num ber Suffix A1 Power Supply 67X XXXX XX A2 Front Panel 67X XXXX XX A3 Main 67X XXXX XX A4 Input and A4A1 BNC 67X XXXX XX A5 Deserializer 67X XXXX XX...

Страница 148: ...g the four pieces of information from Table 6 8 plus the instrument type serial number and software version number if known ensures that you will receive the module required to return the instrument t...

Страница 149: ...TE A 2 RMA flux content solder is recommended for making repairs in this instrument Cleaning of rosin residue is not recommended Most cleaning solvents tend to reactivate the rosin and spread it under...

Страница 150: ...key symbol is used to identify pin 1 on the circuit board to assist in aligning connector with correct square pins Figure 6 3 shows the numbering scheme and the triangular marking on the etched circu...

Страница 151: ...instrument WARNING Before attempting any disassembly of the instrument be sure to disconnect the power cord and wait until DS7 on the Power Supply circuit board A1 extinguishes CAUTION Do not reinsert...

Страница 152: ...gle with the front panel they will disengage 5 To replace reverse the procedure pushing in on the small panel instead of out For graticule light removal and replacement tweezers with curved serrated t...

Страница 153: ...al 6 21 Figure 6 5 Replacing Graticule Light Bulbs 3 To install a bulb hold it with the tweezers or fingers as described in step two position it in front of the socket and push the bulb until it snaps...

Страница 154: ...ctor to touch your body or any circuitry 2 Disconnect the anode by separating the connector Do not touch the exposed tip of the connector Discharge the connector tip to the chassis See Figure 6 6 SEPA...

Страница 155: ...hat the wires and plug from the trace rotation coil can be fed back through the hole in the Main board 4 Slide the CRT back into the rear CRT socket Align the socket and CRT base The screws holding th...

Страница 156: ...panel free from the main chassis enough to be able to slip P12 through the notch in the chassis 6 Unplug the fan leads A1J5 on the Power Supply circuit board assembly and carefully slip the fan cable...

Страница 157: ...embly A4 A4 A1 CAUTION The Input circuit board assembly uses surface mount components Do not attempt to solder on this board unless you have been trained in micro soldering and have the proper tools a...

Страница 158: ...the upper part of the assembly See Figure 6 9 Figure 6 9 Removing the Front panel Assembly 3 Remove the board by slipping it through the front panel opening 4 To access the Front Panel board componen...

Страница 159: ...ircuit Board A3P2 Main Circuit Board Component Circuit Board A3P3 Main Circuit Board Trace Rotation Coil CRT A3P5 Main Circuit Board Component Circuit Board A3P9 Main Circuit Board Deserializer Circui...

Страница 160: ...ce See Fig ure 6 11 for their locations KNOBS BEZEL KNOB PANEL CONNECTOR MOUNTING STUDS Figure 6 11 Screws Holding the Main Circuit Board in Place 7 Slide the Main circuit board as far forward as spac...

Страница 161: ...g dangerous potentials exist beneath the plastic shield 2 Remove the plug from A1J4 on the Power Supply board This is the connection to the Main board 3 Disconnect the CRT anode connection at its disc...

Страница 162: ...lastic shield 7 Remove the board by sliding it forward and lifting it up 8 To replace the board reverse this procedure 1 Unplug the cable to A3J9 Main circuit board and feed the cable and plug through...

Страница 163: ...t board 2 Use a pair of long nose pliers to loosen and remove the plugs from A7J9 A7J14 A7J12 and A7J13 See Figure 6 14 Figure 6 14 Pulling the Plugs from the Component Board Jacks 3 Remove the four s...

Страница 164: ...rcuit board module 5 Separate the Component Coprocessor and Digital to Analog DAC circuit boards a Remove the plugs from A8J11 A6J1 A6J2 A6J7 and A6J8 See Figure 6 14 b Use a 5 16 inch nut driver or b...

Страница 165: ...ut driver or box end wrench to remove the four stand offs and two nuts securing the DAC circuit board e Use a 5 16 inch nut driver or box end wrench to remove the six nuts securing the shield to the C...

Страница 166: ...ired Repackage the instrument in the original manner to provide adequate protection see Figure 6 17 If the original packaging is not available or is unfit for use repackage the instrument as follows F...

Страница 167: ...olyethylene sheeting to protect the finish 3 Cushion the instrument on all sides by tightly packing dunnage or urethane foam between the carton and the instrument Allow three inches on all sides for c...

Страница 168: ...Maintenance 6 36 WFM 601 Service Manual...

Страница 169: ......

Страница 170: ...Cabinet H 1700F05 19 inch rack adapter H 1700F06 Blank Panel for use with 1700F05 H 1700F07 Utility Drawer for use with 1700F05 Any of the following power cord options can be ordered for the WFM601 If...

Страница 171: ...one test house acceptable in the country to which the product is shipped Power cord part numbers are shown on the Accessories pull out Cabinets All of the Safety and EMI tests used to qualify the WFM...

Страница 172: ...inet that can be used as an installation guide is located in Installation Figure 7 1 The 1700F00 Metal Cabinet This is a gray metal cabinet with feet front elevating bail and carrying handle designed...

Страница 173: ...0 that are connected together for this installation Figure 7 3 A 1700F05 with Two Half rack instruments If only one 1700 Series instrument is to be installed in the Side by Side Rack Adapter a blank p...

Страница 174: ...r kit includes a permanently mounted tray Figure 7 5 1700F05 Rack Mounting with a 1700F07 Utility Drawer Ordering Any of these items can be ordered with the WFM601 Serial Component Monitor In addition...

Страница 175: ...Options 7 6 WFM 601 Service Manual...

Страница 176: ......

Страница 177: ......

Страница 178: ...local Tektronix Inc Field Office or representative will contact you concerning any change in part number Change information if any is located at the rear of this manual Using the Replaceable Electrica...

Страница 179: ...r associated electrical part for example fuse holder follows fuse Chassis mounted parts and cable assemblies have no assembly number prefix and are located at the end of the electrical parts list Indi...

Страница 180: ...AN JOSE CA 95110 TK2073 TOKYO AMERICA INC 565 W GULF ROAD ARLINGTON HEIGHTS IL 60005 TK2096 KELVIN ASSOCIATES 14724 VENTURA BLVD SUITE 1003 SHERMAN OAKS CA 91403 3501 TK2441 INTERNATIONAL MICROELECTRO...

Страница 181: ...Z 85252 12969 MICROSEMI CORPORATION WATERTOWN DIVISION 530 PLEASANT STREET WATERTOWN MA 02172 13103 THERMALLOY CO INC 2021 W VALLEY VIEW LN PO BOX 810839 DALLAS TX 75381 14301 ANDERSON ELECTRONICS INC...

Страница 182: ...300 RIVERSIDE BLVD PO BOX 74 NORFOLK NE 68701 2242 57668 ROHM CORPORATION 15375 BARRANCA PARKWAY SUITE B207 IRVINE CA 92718 57924 BOURNS INC INTEGRATED TECHNOLOGY DIVISION 1400 NORTH 1000 WEST LOGAN U...

Страница 183: ...COMPTON CA 90224 5825 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR PO BOX 500 BEAVERTON OR 97077 0001 81073 GRAYHILL INC 561 HILLGROVE AVE PO BOX 10373 LA GRANGE IL 60525 5914 83701 ELECTRONIC DEVICES...

Страница 184: ...009 671293900 A1 671 2939 01 B010116 B010202 CIRCUIT BD ASSY POWER SUPPLY 80009 671293901 A1 671 2939 02 B010203 B010259 CIRCUIT BD ASSY POWER SUPPLY 80009 671293902 A1 671 2939 03 B010260 B010608 CIR...

Страница 185: ...63V 5 POL YPROPYLENE 6X7 2MM RDL 5 MM LS TK1913 FKP2 4700 63 5 A1C45 281 0775 01 CAP FXD CER MCL 0 1UF 20 50V Z5U 0 170 04222 SA105E104MAA A1C47 281 0813 00 CAP FXD CER MLC 0 047UF 20 50V 0 100 X 0422...

Страница 186: ...2 0141 02 DIO SIG ULTRA FAST 40V 150MA 4NS 2PF 27014 FDH9427 A1CR13 152 0141 02 DIO SIG ULTRA FAST 40V 150MA 4NS 2PF 27014 FDH9427 A1CR14 152 0141 02 DIO SIG ULTRA FAST 40V 150MA 4NS 2PF 27014 FDH9427...

Страница 187: ...AP MALE STR 1 X 4 0 15CTR 0 230 MLG X 0 285 TAIL 30 GLD SIDE BY SIDE STACKABLE 22526 65561 104 A1J3 131 4794 00 CONN HDR PCB MALE STR 1 X 2 0 1 CTR 0 235 MLG X 0 112 TAIL 30 GLD 0 035 DIA PCB 53387 24...

Страница 188: ...METAL FILM 100 OHM 1 0 2W TC 100 PPM 91637 CCF501G100R0F A1R9 311 1256 00 RES VAR TRMR CERMET 2 5M OHM 10 0 5W 0 375 32997 3386F 1 255 A1R10 322 3385 00 RES FXD METAL FILM 100K OHM 1 0 2W TC 100 PPM 9...

Страница 189: ...0G5111FT A1R62 322 3097 00 RES FXD METAL FILM 100 OHM 1 0 2W TC 100 PPM 91637 CCF501G100R0F A1R63 322 3001 00 RES FXD METAL FILM 10 OHM 1 0 2W TC 100 PPM 91637 CCF501G10R00F A1R64 322 3001 00 RES FXD...

Страница 190: ...RES FXD METAL FILM 121K OHM 1 0 2W TC 100 PPM 91637 CCF501G12102F A1R118 322 3393 00 RES FXD METAL FILM 121K OHM 1 0 2W TC 100 PPM 91637 CCF501G12102F A1R119 305 0154 00 RES FXD CMPSN 150K OHM 5 2W 50...

Страница 191: ...DIO OPTO LED GRN 569NM 4 2MCD AT 10MA 28 50434 HLMP 6505 021 A2DS21 150 5008 00 DIO OPTO LED GRN 569NM 4 2MCD AT 10MA 28 50434 HLMP 6505 021 A2DS22 150 5008 00 DIO OPTO LED GRN 569NM 4 2MCD AT 10MA 2...

Страница 192: ...139 BCK1001FT A2R37 321 5018 00 RES FXD THICK FILM 1 0K OHM 1 0 125W TC 100 PPM 50139 BCK1001FT A2R38 321 5030 00 RES FXD THICK FILM 10 0K OHM 1 0 125W TC 100 PPM 50139 BCK1002FT A2R39 321 5030 00 RES...

Страница 193: ...UF 80 20 50V Z5U 1206 04222 12065E104ZAT3A A3C33 283 5098 00 CAP FXD CER MLC 0 1UF 80 20 50V Z5U 1206 04222 12065E104ZAT3A A3C34 283 5098 00 CAP FXD CER MLC 0 1UF 80 20 50V Z5U 1206 04222 12065E104ZAT...

Страница 194: ...2 283 5001 00 CAP FXD CER MLC 100PF 5 50V NPO 1206 04222 12065A101JAT1A A3C93 283 5259 00 CAP FXD CER MLC 6 8PF 0 25PF 100V NPO 04222 12061A6R8CAT1A A3C94 283 5314 00 CAP FXD CER MLC 0 7PF 0 1PF 100V...

Страница 195: ...80 20 50V Z5U 1206 04222 12065E104ZAT3A A3C158 281 0271 00 CAP VAR CER DI 7 50PF 50V 51406 TZBX4R500BA110T A3C162 283 5098 00 CAP FXD CER MLC 0 1UF 80 20 50V Z5U 1206 04222 12065E104ZAT3A A3C163 283 5...

Страница 196: ...64 00 CONN HDR PCB MALE STR 2 X 17 0 1 CTR 0 365D 53387 2534 6002UB A3J12 131 3181 00 CONN HDR PCB MALE RTANG 2 X 20 0 1 CTR 0 3 30 H X 0 112 TAIL SHRD 4 SIDES CTR PLZ 30 G OLD 0 390 MLG HIGH TEMP 225...

Страница 197: ...5001 00 XSTR SIG BIPOLAR NPN 40V 200MA 300MHZ AMPL 04713 MMBT3904LT1 A3Q26 151 5001 00 XSTR SIG BIPOLAR NPN 40V 200MA 300MHZ AMPL 04713 MMBT3904LT1 A3Q28 151 5002 00 XSTR SIG JFET N CH 5V 75MA 60 OHM...

Страница 198: ...LM 10 0K OHM 1 0 125W TC 100 PPM 50139 BCK1002FT A3R49 321 5030 00 RES FXD THICK FILM 10 0K OHM 1 0 125W TC 100 PPM 50139 BCK1002FT A3R50 321 5030 00 RES FXD THICK FILM 10 0K OHM 1 0 125W TC 100 PPM 5...

Страница 199: ...OHM 1 0 125W TC 100 PPM 50139 BCK2741FT A3R107 321 5033 00 RES FXD THICK FILM 18 2K OHM 1 0 125W TC 100 PPM 50139 BCK1822FT A3R108 321 5047 00 RES FXD THICK FILM 100K OHM 1 0 125W TC 100 PPM 50139 BC...

Страница 200: ...FILM 332 OHM 1 0 125W TC 100 50139 BCK3320FT A3R164 321 5012 00 RES FXD THICK FILM 332 OHM 1 0 125W TC 100 50139 BCK3320FT A3R165 321 5022 00 RES FXD THICK FILM 2 21K OHM 1 0 125W TC 100 PPM 50139 BC...

Страница 201: ...FXD THICK FILM 562 OHM 1 0 125W TC 100 50139 BCK5620FT A3R221 321 5015 00 RES FXD THICK FILM 562 OHM 1 0 125W TC 100 50139 BCK5620FT A3R224 321 5026 00 RES FXD THICK FILM 4 75K OHM 1 0 125W TC 100 PPM...

Страница 202: ...C 100 91637 CRCW1206 1102FT A3R286 321 5033 00 RES FXD THICK FILM 18 2K OHM 1 0 125W TC 100 PPM 50139 BCK1822FT A3R287 321 5266 00 RES FXD THICK FILM 11K OHM 1 0 125W TC 100 91637 CRCW1206 1102FT A3R2...

Страница 203: ...M 50139 BCK1003FT A3R361 321 5013 00 RES FXD THICK FILM 392 OHM 1 0 125W TC 100 50139 BCK3920FT A3R362 321 5018 00 RES FXD THICK FILM 1 0K OHM 1 0 125W TC 100 PPM 50139 BCK1001FT A3R363 321 5022 00 RE...

Страница 204: ...MILY 3030 100 CLBS 80 IOBS 74 I O 70 MHZ 68994 XC3030 70PC84C A3U28 156 5052 01 IC DGTL FTTL GATE HEX INV 01295 SN74F04DR A3U29 156 5304 01 IC DGTL HCTCMOS BFR QUAD BFR OE 01295 SN74HCT125DR A3U30 156...

Страница 205: ...964 GX214ACTB A3U76 156 6059 01 IC MISC CMOS ANALOG SWITCH QUAD 17856 DG444DY T1 A3U77 156 5480 01 IC DGTL HCMOS RGTR 8 BIT SHIFT RGTR WITH OUT LCH 0JR04 TC74HC595AFN EL A3U78 156 2959 00 IC LIN BIPOL...

Страница 206: ...5 0 1 CTR 0 385H X 0 120TAIL SHRD 4 SIDES CTR PLZ 30 GLD 0 150 END DIM TK1462 FAP 10 08 4 OAS A4J3 131 0265 00 CONN RF PLUG SMB PCB MALE RTANG 50 OHM 0 381 H X 0 15 TAIL 0 043 DIA CTR COND 0 040 SQ T...

Страница 207: ...1 CTR PCB X 2 X 5 0 1 CTR RCPT W CTR PLZ TK2469 174 3134 00 A4A1 CIRCUIT BD ASSY BNC A4A1J1 131 5647 00 CONN RF JACK BNC 75 OHM FEMALE STR PCB 4 0 04 SQ 0 189 L TAILS ON0 25 CTR 0 038 DIA CTR COND 24...

Страница 208: ...IL 30 GLD BD RETENTION 00779 104344 1 A5J5 131 3361 00 CONN HDR PCB MALE RTANG 2 X 13 0 1 CTR 0 33 H X 0 112 TAIL SHRD 4 SIDES CTR PLZ 30 GOLD 53387 2526 5002UB A5J6 131 4530 00 CONN HDR PCB MALE STR...

Страница 209: ...49 9 OHM 1 0 2W TC 100 PPM 91637 CCF501G49R90F A5R31 322 3001 00 RES FXD METAL FILM 10 OHM 1 0 2W TC 100 PPM 91637 CCF501G10R00F A5R32 322 3001 00 RES FXD METAL FILM 10 OHM 1 0 2W TC 100 PPM 91637 CCF...

Страница 210: ...267 00 CAP FXD CER MLC 1UF 80 20 25V Y5V 1206 04222 12063G105ZAT1A A6C22 283 5267 00 CAP FXD CER MLC 1UF 80 20 25V Y5V 1206 04222 12063G105ZAT1A A6C23 290 5022 00 CAP FXD TANT 68UF 20 6V 0 287 X 0 170...

Страница 211: ...7 H X 5 DIA MM 1W344 MVK35VC10RME60T A7C11 283 5196 00 CAP FXD CER MLC 47PF 5 100V NPO 1206 04222 12061A470JAT1A A7C12 283 5196 00 CAP FXD CER MLC 47PF 5 100V NPO 1206 04222 12061A470JAT1A A7C13 283...

Страница 212: ...0 283 5098 00 CAP FXD CER MLC 0 1UF 80 20 50V Z5U 1206 04222 12065E104ZAT3A A7C301 283 0646 01 CAP FXD MICA DI 170PF 1 500V T A 09023 CDA15FD171F03 A7C302 281 0756 00 CAP FXD CER MLC 2 2PF 0 5PF 200V...

Страница 213: ...C 47PF 5 100V NPO 1206 04222 12061A470JAT1A A7C523 283 5267 00 CAP FXD CER MLC 1UF 80 20 25V Y5V 1206 04222 12063G105ZAT1A A7C525 283 5001 00 CAP FXD CER MLC 100PF 5 50V NPO 1206 04222 12065A101JAT1A...

Страница 214: ...G BIPOLAR NPN 25V 30MA 650MHZ AMPL 04713 MMBTH10LT1 A7Q134 151 5016 00 XSTR SIG BIPOLAR PNP 20V 30MA 600MHZ AMPL 04713 MMBTH81LT1 A7Q136 151 5035 00 XSTR SIG BIPOLAR NPN 25V 30MA 650MHZ AMPL 04713 MMB...

Страница 215: ...ES FXD THICK FILM 392 OHM 1 0 125W TC 100 50139 BCK3920FT A7R91 321 5013 00 RES FXD THICK FILM 392 OHM 1 0 125W TC 100 50139 BCK3920FT A7R92 321 5281 00 RES FXD THICK FILM 2K OHM 1 0 125W TC 100 PPM 9...

Страница 216: ...0FT A7R302 321 5008 00 RES FXD THICK FILM 150 OHM 1 0 125W TC 100 50139 BCK1500FT A7R304 321 5008 00 RES FXD THICK FILM 150 OHM 1 0 125W TC 100 50139 BCK1500FT A7R305 321 5008 00 RES FXD THICK FILM 15...

Страница 217: ...M 150 OHM 1 0 125W TC 100 50139 BCK1500FT A7R503 321 5008 00 RES FXD THICK FILM 150 OHM 1 0 125W TC 100 50139 BCK1500FT A7R504 321 5008 00 RES FXD THICK FILM 150 OHM 1 0 125W TC 100 50139 BCK1500FT A7...

Страница 218: ...ESTORATION 64762 EL2090CM T R A7U70 156 5853 01 IC LIN BIPOLAR OP AMP 35MHZ UNITY GAIN STABLE 27014 LM6361MX A7U71 156 5119 00 IC LIN BIPOLAR COMPTR DUAL OPEN COLLECTOR 80NS 1CH66 LM319D A7U72 156 511...

Страница 219: ...2676 00 B010100 B010109 CIRCUIT BD ASSY DAC 80009 671267600 A8 671 2676 01 B010110 B010780 CIRCUIT BD ASSY DAC 80009 671267601 A8 671 2676 02 B010781 B010919 CIRCUIT BD ASSY DAC 80009 671267602 A8 67...

Страница 220: ...1UF 80 20 50V Z5U 1206 04222 12065E104ZAT3A A8C181 283 5098 00 CAP FXD CER MLC 0 1UF 80 20 50V Z5U 1206 04222 12065E104ZAT3A A8C182 283 5098 00 CAP FXD CER MLC 0 1UF 80 20 50V Z5U 1206 04222 12065E10...

Страница 221: ...OIL RF INDUCTOR FXD 4 7UH 20 Q 50 SRF 45 MHZ DCR 1 0 OHM IMAX 315MA 54583 NL453232T 4R7M A8L6 108 5018 00 COIL RF INDUCTOR FXD 4 7UH 20 Q 50 SRF 45 MHZ DCR 1 0 OHM IMAX 315MA 54583 NL453232T 4R7M A8L7...

Страница 222: ...5015 00 RES FXD THICK FILM 562 OHM 1 0 125W TC 100 50139 BCK5620FT A8R126 321 5018 00 671 2676 00 671 2676 00 RES FXD THICK FILM 1 0K OHM 1 0 125W TC 100 PPM 50139 BCK1001FT A8R126 321 5019 00 671 26...

Страница 223: ...RES FXD THICK FILM 0 OHM 1 0 125W TC 100 PPM 09969 CRCW1206 JUMPER A8R239 321 5030 00 RES FXD THICK FILM 10 0K OHM 1 0 125W TC 100 PPM 50139 BCK1002FT A8R241 321 5030 00 RES FXD THICK FILM 10 0K OHM...

Страница 224: ...MC10H107FN A8U27 156 5324 01 IC DGTL ECL TRANSLATOR QUAD ECL TO TTL 04713 MC10H125FNR2 A8U29 156 6233 00 IC ASIC CMOS CUSTOM HALF BAND FILTER 27014 MM9217 V4 SZ107 A8U90 156 4234 00 IC LIN BIPOLAR VR...

Страница 225: ...Y SP BR RIBBON DESERIALIZER PWR IDC 20 28 AWG 2 X 10 4 0 IN TO 2 X 5 18 0 IH TO2 X 5 CONNECTED A4J2 A5J1 A8J11 TK2469 174 3125 00 W12 174 2746 00 CA ASSY SP ELEC 2 X 20 28 AWG 5 5 L RIBBON CONNECTED A...

Страница 226: ......

Страница 227: ...ations are based on ANSI Y1 1 1972 Other ANSI standards that are used in the preparation of diagrams by Tektronix Inc are Y14 15 1966 Drafting Practices Y14 2 1973 Line Conventions and Lettering Y10 5...

Страница 228: ...he facing diagram are listed in the lookup table When more than one schematic diagram is used to illustrate the circuitry on a circuit board the circuit board illustration will only appear opposite th...

Страница 229: ...OGIC READOUT INTENS 3 WAVEFORM INTENS 3 VECTOR INTENS 3 LINE SELECT STROBE 3 OPTION BLNKNG 3 EXTERNAL BLNKNG 3 GBR INTENS 2 HORIZONTAL SIGNAL SELECTION from LINE RATE CONTROLLER 3 CH A from LINE RATE...

Страница 230: ...3 BYPASS CLAMP PLS from COPROCESSOR 1 CLAMPED AMPLIFIERS Y BLANK PB BLANK PR BLANK GAMUT LIMIT COMPARATOR LIMITS GAMUT OFF from COPROCESSOR 1 SWITCH CONTOL BUFFERS SERIAL BUS from PROCESSOR 3 PARALLEL...

Страница 231: ...AXIS 1 2 SERIAL STATIC OUTPUTS SYNCHRONOUS SWITCHING to VERTICAL HORIZONTAL READOUT Z AXIS DACS 1 2 ASYNCHRONOUS SWITCHING to VERTICAL 1 DATA F DATA BUFFERED DATA BD BUFFERED ADDRESSES BA SYNC SEPARA...

Страница 232: ...C2 A2 Q3 D3 A2 Q4 E2 A3 Q5 D4 A3 Q6 F2 B1 Q7 C5 B3 Q8 G2 B1 R1 C2 A2 R2 C4 A3 R3 B2 A2 R4 C2 A2 R5 C2 A2 R6 D4 A3 R7 C4 A3 R8 C4 A3 R9 C4 A3 R10 B3 A3 R11 C3 A2 R12 D2 A2 R13 C2 A2 R14 E2 A2 R15 E2 A...

Страница 233: ...WFM 601 SERIAL COMPONENT MONITOR BNC INPUT BOARDS 1...

Страница 234: ...B2 B2 R12 H3 B2 R13 D3 B3 R14 D3 B3 R15 E5 B4 R16 F5 B4 R17 E5 B4 R18 C1 B1 R19 E4 B3 R20 E4 C3 R21 E4 C3 R22 E4 B3 R23 F4 C3 R24 F5 B4 R25 D2 C1 R26 D1 C1 R27 E4 C3 R28 D2 C3 R29 D2 C3 R30 E4 C3 R31...

Страница 235: ...2 2A 3 2B 4 3A 5 3B 6 4A 7 4B 8 5A 9 5B 10 6A 11 6B 12 7A 13 7B 14 8A 15 8B 16 9A 17 9B 18 10A 19 10B 20 11A 21 11B 22 12A 23 12B 24 13A 25 13B 26 14A 27 14B 28 15A 29 15B 30 16A 31 16B 32 17A 33 17B...

Страница 236: ...5 C2 C28 E5 C1 C29 E5 C2 C30 B5 F2 J1 A5 F1 J2 H1 D1 J3 F1 F3 J4 F1 E4 J6 F2 E4 J7 H3 B1 J8 A1 B4 L1 H2 D1 L2 A5 C2 P21 F5 A4 P22 F5 A2 P23 G5 F4 P24 G5 F2 R1 C2 F2 R2 C1 E1 R5 B3 C3 R6 B3 C3 R7 B3 C3...

Страница 237: ...ECL TO TTL CONVERTER LINE BUFFER RAM WFM 601 SERIAL COMPONENT MONITOR COPROCESSOR 3...

Страница 238: ...C2 C2 R127 4 B2 C3 R128 4 B2 C3 R129 4 B2 C3 R130 4 B2 C3 R131 4 C3 C3 R132 4 C3 C4 R133 4 C3 C4 R134 4 C3 C4 R135 4 D3 D3 R136 4 D3 D4 R137 4 D3 D3 R138 4 D1 D2 R139 4 D1 D2 R146 6 C2 J2 R147 6 C3 J...

Страница 239: ...P CLOCK REGENERATOR ERROR AMP CONVERSION ECL TO TTL PHASE DETECTOR FREQUENCY DOUBLER SIDEBAND FILTER 1 1 1 1 1 1 POST REGULATORS 5 2V SUPPLY 1 1 1 1 1 1 1 1 1 WFM 601 SERIAL COMPONENT MONITOR CLOCKS P...

Страница 240: ...B2 D2 R229 B2 D2 R233 A3 D3 R234 A3 D2 R235 A3 D3 R236 A3 D3 R237 A3 E3 R238 A4 D3 R239 B4 E3 R240 B4 E3 R241 B4 E3 R242 B4 E3 R243 G2 G3 R244 F2 G3 R245 E3 E4 R246 G2 G3 R247 G2 H3 R249 H2 H3 R254 G...

Страница 241: ...2 1 10 4256403 Y DAC DIGITAL HALF BAND FILTER Y DELAY WFM 601 SERIAL COMPONENT MONITOR Y DELAY HALF BAND FILTER DAC 5...

Страница 242: ...2 E2 R208 B2 E2 R209 B2 E3 R210 C2 I1 R211 C2 I1 R212 C4 I1 R213 C5 I2 R214 E4 I1 R215 E2 E1 R230 G1 F2 R231 G4 K2 R252 G1 F2 R253 G4 K2 R255 G1 F2 R256 G3 K1 R257 C2 G2 R258 C2 G2 R259 C5 J1 R260 C5...

Страница 243: ...Pr DAC DIGITAL HALF BAND FILTERS 1 0 0 31453 2 Pb DAC 1 0 0 31453 2 WFM 601 SERIAL COMPONENT MONITOR Pb Pr HALF BAND FILTERS DACS 6...

Страница 244: ...4 R155 9 E5 G4 R156 9 F5 G4 R157 9 F5 H4 R162 9 F4 G3 R163 9 F4 F3 R164 9 E5 G4 R165 9 F4 G3 R166 9 F4 G3 R180 9 D5 E4 R181 9 D5 F4 R213 10 F2 L3 R214 10 E3 L3 R215 10 C2 M3 R216 10 D2 M3 R217 10 D2 M...

Страница 245: ...Y FILTER Pb FILTER Pr FILTER WFM 601 SERIAL COMPONENT MONITOR Y Pb Pr RECONSTRUCTION FILTERS 7...

Страница 246: ...H1 A2 R86 G1 A2 R87 B5 D2 R88 B4 C2 R89 B4 B2 R90 G2 B3 R91 G1 A3 R92 G2 A3 R95 H2 A3 R96 G2 A3 R100 G3 B4 R101 G2 A4 R102 G3 A4 R105 H3 A4 R106 G2 A4 R418 F3 F2 R419 G5 E1 R427 G5 E1 R428 G5 D1 R429...

Страница 247: ...WFM 601 SERIAL COMPONENT MONITOR TRANSCODERS PIX MONITOR OUTPUTS 8...

Страница 248: ...F3 F3 R123 F3 E3 R125 D1 E2 R126 D1 F3 R127 D1 F2 R128 C1 E2 R129 C2 E3 R130 E1 F2 R131 E1 F3 R132 E2 G3 R133 E1 G3 R134 E1 G3 R135 F1 G2 R136 D1 E2 R137 D1 F2 R138 E1 F2 R149 E5 F4 R150 C5 E4 R151 D5...

Страница 249: ...0 0 0 0 WFM 601 SERIAL COMPONENT MONITOR LIGHTNING VECTOR BOWTIE SWITCHING 9...

Страница 250: ...H1 R223 G4 H1 R515 E3 L2 U180 B4 O4 U190 B5 O2 U202 C4 M1 U203 C1 M3 U204 D4 M2 U206 E3 N3 U207 E4 N2 U208 F5 N3 U209 F4 M3 U210 F1 L4 U211A C1 M3 U211B E2 M3 U211C C3 M3 U211D D1 M3 U212 F2 L2 U213A...

Страница 251: ...WFM 601 SERIAL COMPONENT MONITOR CONTROL DACULATOR 10...

Страница 252: ...L4 E4 N4 L5 D4 N4 L6 D4 O3 L7 E5 O4 L8 E5 O4 Q17 F3 M1 Q19 F2 M3 Q23 F1 O2 R225 G4 L4 R232 F3 L1 R247 G4 L4 R248 G4 L4 R249 G4 L4 R251 D1 M4 R254 E2 M2 R255 F2 M2 R258 G2 M3 R259 F3 M4 R260 F3 M4 R26...

Страница 253: ...PIX OUT INPUT MUX HORIZ REF MUX DIFF STEP FILTER LUMINANCE FILTER CHROMA FILTER WFM 601 SERIAL COMPONENT MONITOR VERTICAL INPUT 11...

Страница 254: ...K3 R169 12 F2 K4 R170 13 G1 K1 R171 13 G2 K1 R172 13 G2 K1 R173 13 G3 K2 R174 13 G4 K2 R175 12 G1 K3 R176 12 G1 K3 R177 12 G1 K3 R178 12 G1 K3 R179 12 G1 K3 R180 12 G2 K4 R181 12 G1 K4 R182 12 G3 K4...

Страница 255: ...VERTICAL DEFLECTION SQUARE WAVE CALIBRATOR FILTER MUX VERTICAL AMPLIFIER WFM 601 SERIAL COMPONENT MONITOR VERTICAL OUTPUT 12...

Страница 256: ...2 K1 R186 F3 K2 R187 G4 K2 R188 G4 L2 R200 G1 L1 R201 C1 L1 R202 C2 L1 R203 G4 L1 R204 G4 L2 R218 C2 L1 R219 C2 L1 R220 D4 L2 R221 D4 L2 R230 B2 L1 R231 C1 L1 R237 D3 L2 R321 B3 O3 R323 B3 O4 R324 B3...

Страница 257: ...HORIZONTAL DEFLECTION SWEEP GENERATORS HORIZONTAL SIGNAL MUX HORIZONTAL AMPLIFIER WFM 601 SERIAL COMPONENT MONITOR...

Страница 258: ...48 B4 F3 R49 C4 F3 R50 B5 F3 R64 G4 G5 TP1 E4 C2 TP2 A4 C4 TP3 A4 C4 TP4 B1 D6 TP5 A3 E6 TP6 A3 E6 U2 E4 C2 U6 D4 C4 U7 A4 C4 U8 D3 D4 U10 H1 D2 U11 G1 C3 U12 D3 D4 U13 D1 D4 U14 F1 D2 U15 E1 E4 U16 H...

Страница 259: ...ROM MICROPROCESSOR NOVRAM RAM FLASH EPROM BUFFERS RESET ABORT WFM 601 SERIAL COMPONENT MONITOR...

Страница 260: ...R99 A4 I2 R109 C2 I5 R234 E3 L2 R235 E4 M2 R241 E3 M3 R243 E3 M3 R262 H2 M4 R358 A3 G3 R361 C3 P6 R378 B5 G2 R379 B5 G2 U26A A5 F3 U26B A5 F3 U26C B5 F3 U26D A5 F3 U34 B1 I2 U40 E1 I4 U42 F1 I2 U43 F2...

Страница 261: ...OUTPUTS SYNCHRONOUS LINE RATE CONTROLLER SYNC SEPARATOR WFM 601 SERIAL COMPONENT MONITOR DYNAMIC CONTROL 15...

Страница 262: ...G5 I6 R121 G3 I6 R134 G4 J6 R135 G3 J6 R376 G3 K6 R377 D4 J6 TP7 G4 I6 U27 B1 F4 U36 D2 H4 U37 E3 H5 U48A F4 J6 U48B F3 J6 U48C H3 J6 U48D H5 J6 U54A G3 J6 U54B D4 J6 U54C G5 J6 U54D D5 J6 Schematic...

Страница 263: ...0 A1 A2 A3 A4 A5 A6 A7 A8 A9 F3 H5 RDCTRL BR W BD14 BD15 BA1 BA0 BA2 BA3 BA4 BA5 14 14 H1 14 BA 0 23 BA 0 23 BA6 BA7 BA8 BA9 BA10 BA11 BA12 RAM_RD LDAC RO_INTENS0 RO_INTENS1 RO_INTENS2 RO_START RO_BLA...

Страница 264: ...5 U24 A1 F6 U25A E4 G2 U25B C4 G2 U25C E4 G2 U25D E4 G2 U29D C3 G6 U30A E2 G2 U30B E2 G2 U30C C1 G2 U30D E3 G2 U31 F4 G1 U32 B2 H6 U33 E5 H2 U35 F3 H1 U38 B1 H6 U39C G4 I2 U39D G1 I2 U41A H3 I1 U41B G...

Страница 265: ......

Страница 266: ...22 C4 O3 R325 C4 O4 R348 C4 P5 R352 D3 P6 R356 D1 P6 U87D E3 O2 U90 D3 P5 U91 D2 P6 U92 C1 P1 Schematic Diagram 18 Component Locator Chart Comp No The schematic diagram has an alphanumeric grid to ass...

Страница 267: ...5 2 14 1 X_AUDIO X_AUDIO TIME_CODE Y_AUDIO Y_AUDIO PRESET_7 PRESET_6 PRESET_5 PRESET_4 PRESET_3 PRESET_8 A3 A3 Y_AUDIO Y_AUDIO X_AUDIO X_AUDIO TIME_CODE 13 12 H4 D2 D2 R352 10 0K REMOTE_LD REMOTE_CS B...

Страница 268: ...4 A2 G2 R56 A2 F2 R71 F3 G6 R73 G3 I1 R74 E4 H1 R75 E4 H1 R76 E4 H1 R77 E4 H2 R118 F3 I2 R119 G4 J2 R125 G3 J2 R126 G3 J2 R145 C1 J4 R146 C1 J4 R147 C2 J4 R284 B1 O6 R289 B1 O6 R290 B1 O6 SKT1 H2 A3 S...

Страница 269: ...8V SUPPLY 8V SUPPLY GRATICULE LIGHTS VPP1 SUPPLY HORIZ POS BEZEL CONTROLS BLANKING LOGIC VERT POS CRT LEFT CRT MIDDLE TRACE ROTATION CRT RIGHT WFM 601 SERIAL COMPONENT MONITOR Z AXIS CONTROL 19...

Страница 270: ...C3 C3 R35 B3 B2 R36 C3 B5 R37 B3 A2 R38 A1 B1 R39 A1 B1 R40 A2 C1 R41 A2 C2 R42 A2 B4 R43 A2 B4 R44 A3 C3 R45 A3 A4 R47 B5 A5 R48 F4 A3 R49 F4 A2 R50 F4 B4 R51 G4 A2 R52 G4 A2 S1 B2 F5 S2 B2 F3 S3 B2...

Страница 271: ...WFM 601 SERIAL COMPONENT MONITOR FRONT PANEL 20...

Страница 272: ...2 E4 A3 R5 22 D5 A4 R6 22 B4 A4 R8 22 A4 A4 R9 22 F4 A2 R10 22 B4 A4 R11 22 B4 A4 R12 22 D5 A4 R13 22 E3 A2 R14 22 E5 A3 R15 22 E5 A3 R16 22 D4 A4 R17 22 C5 A4 R18 22 C4 A4 R19 22 D3 B1 R20 22 D3 B3 R...

Страница 273: ...NOTE R74 AND R78 TOGETHER WITH SCREWDRIVER TIP R80 24 9K C43 1UF 5V K K A G NC ERROR AMPLIFIER R62 100 0 C42 01UF R77 45 3K DS6 BOUNDARY ISOLATION R91 1 00K R90 51 R92 1 33K C55 150PF CR24 R97 10 0K...

Страница 274: ...A4 R8 A4 A4 R9 F4 A2 R10 B4 A4 R11 B4 A4 R12 D5 A4 R13 E3 A2 R14 E5 A3 R15 E5 A3 R16 D4 A4 R17 C5 A4 R18 C4 A4 R19 D3 B1 R20 D3 B3 R21 E5 A3 R22 B5 A4 R23 C4 B4 R24 C4 A4 R25 C5 A5 R26 D3 B3 R27 D4 B...

Страница 275: ...NC NC R35 6 81K R43 6 81K R48 10 0 R51 10 0 C17 1UF 1 1 2 2 3 3 4 4 J2 1 1 2 2 3 3 4 4 5 5 6 6 7 7 J1 40VA 1st ANODE FOCUS ASTIG 3 2 CATHODE 8 4 7 WHITE BLUE WHITE GRAY WHITE RED BROWN RED 14 PIN NUMB...

Страница 276: ...rt you have ordered has been replaced with a new or improved part your local Tektronix Inc Field Office or representative will contact you concerning any change in part number Change information if an...

Страница 277: ...ystem used to indicate relationship 1 2 3 4 5 Name Description Assembly and or Component Mounting parts for Assembly and or Component MOUNTING PARTS END MOUNTING PARTS Detail Part of Assembly and or C...

Страница 278: ...OF COOPER INDUSTRIES INC 73743 FISCHER SPECIAL MFG CO 111 INDUSTRIAL RD COLD SPRING KY 41076 9749 75915 LITTELFUSE INC 800 E NORTHWEST HWY DES PLAINES IL 60016 3049 SUB TRACOR INC 78189 ILLINOIS TOOL...

Страница 279: ...T BD ASSY MAIN SEE A3 REPL MOUNTING PARTS 16 211 0721 00 8 SCREW MACHINE 6 32 X 0 375 PNH STL 83486 ORDER BY DESCR 17 214 3903 01 4 SCREW JACK 4 40 X 0 312 EXT THD 4 40 INT THD 0 188 HEX STEEL CAD PLA...

Страница 280: ...H STL 83486 ORDER BY DESCR END MOUNTING PARTS 47 136 1167 00 1 SKT CRT ASSY 80009 136 1167 00 48 346 0120 00 2 STRAP TIEDOWN E 5 5 L MIN PLASTIC WHITE 06383 SST1 5M 49 337 3487 00 1 SHIELD ELEC CRT ST...

Страница 281: ...PER WFM601 80009 070 8471 00 150 0168 00 4 LAMP INCAND 14V 0 08A WEDGE BASE T1 75 FOR SOCKET MOUNT 80009 150 0168 00 159 0021 00 1 FUSE CARTRIDGE 3AG 2A 250V FAST BLOW 75915 312 002 378 0335 00 4 FILT...

Страница 282: ...WFM 601 FIG 1 EXPLODED VIEW A1 A2 A3 A4 A4A1 A5 A6 A7 A8...

Страница 283: ...t is a composite video signal consisting of all horizontal and vertical synchronization informa tion burst and usually setup Typically used as the house reference synchro nization signal in television...

Страница 284: ...ominance can be further broken down into two properties of color hue and saturation Chrominance Signal The high frequency portion of the video signal which is obtained by quadrature amplitude modulati...

Страница 285: ...a sine wave of a single frequency is put into a system and harmonic content at multiples of that frequency appears at the output there is harmonic distortion present in the system Harmonic distortion...

Страница 286: ...elf internal graticule or onto a piece of glass or plastic which fits in front of the CRT external graticule They can also be electronical ly generated Horizontal Blanking Horizontal blanking is the e...

Страница 287: ...exing See AM and FM for details Non Linear Distortion Refers to distortions which are amplitude dependent NTSC National Television System Committee The organization which developed the television stan...

Страница 288: ...crossings of the reference subcarrier burst Setup In NTSC systems video black is typically 7 5 IRE above the blanking level This 7 5 IRE level is referred to as the black setup level or simply as set...

Страница 289: ...d presents a display of R Y versus B Y in NTSC systems or V versus U in PAL systems The angle and magnitude of the displayed vectors are respective ly related to hue and saturation Vertical Interval T...

Страница 290: ...Glossary Glossary 8 WFM601 Serial Component Monitor...

Страница 291: ...onitor Serial Input Output 3 2 Block Diagram 1 Input and Waveform Monitor 3 2 Block Diagram 2 Component Color Difference to GBR Transcoder 3 4 Component Blanking Switching 3 4 Gamut Limit Comparator C...

Страница 292: ...te Controller 3 22 Sync Separator 3 21 Synchronous Outputs 3 22 Front Panel Diagram 20 3 25 LED Drivers 3 25 Switching 3 25 High Voltage Power Supply Diagram 22 3 28 Focus Amplifier 3 28 Grid Drive Ci...

Страница 293: ...moval and Replacement 6 20 Removing the Coprocessor Component DAC Boards 6 31 Removing the Deserializer Board 6 30 Removing the Front Panel the Front Panel Board 6 26 Removing the Main Board 6 27 Remo...

Страница 294: ...Front Panel Board 6 26 Removing the Main Board 6 27 Removing the Power Supply Board 6 29 Removing the Rear Panel the Input BNC Boards 6 24 Replacement of the CRT 6 23 Specific Troubleshooting Techniqu...

Страница 295: ...formance Checks and Readjustments 6 4 Replacing and Cleaning the Air Filter 6 2 Additional Air Filters 6 2 Filter Cleaning 6 2 Filter Replacement 6 2 Visual Inspection 6 2 R Rack Adaptor 2 4 Rear Pane...

Страница 296: ...13 Factory Replacement Parts 6 16 Field Service Centers 6 14 Module Exchange 6 14 Service Training 6 14 U Updating Software 6 4 Upgrading Software 2 12 Equipment Required to Perform Software Upgrades...

Страница 297: ...lected in the appropriate sections of the manual Information regarding such changes will appear on the following pages If no change notices are inserted af ter this page the manual is correct as print...

Страница 298: ...CIRCUIT BD ASSY MAIN 1760 Series ONLY A3 671 2978 02 CIRCUIT BD ASSY MAIN 1740A 1750A Series ONLY A3C68 283 5203 00 CAP FXD CERAMIC MLC 1000PF 10 100V X7R 8 A3C70 283 5203 00 CAP FXD CERAMIC MLC 1000...

Страница 299: ...Change to Read A3 671 2958 06 CKT BD ASSY MAIN BOARD WFM601 ONLY A3 671 3155 02 CKT BD ASSY MAIN BOARD WFM601i ONLY A3U13 160 9720 01 IC MEMORY CMOS EPROM 128K X 8 PRGM 27C010 A3U62 156 5854 01 IC LI...

Страница 300: ...Date Change Reference 9 23 94 M81435 Page 2 of 2 Part of A3 Main board Schematic 12 Vertical Output showing added part Part of A3 Main board Schematic 17 DACs Serial showing added part...

Страница 301: ...PIN 10 U29 PIN 62 CONNECTED R246 22 1 1UF R243 36 5 Y DAC YDAC1 YDAC2 YDAC3 YDAC4 YDAC5 YDAC6 D2 1 D3 2 D4 3 D5 4 D6 5 D7 6 D8 7 D9 8 D10 9 D11 10 D12 LSB 11 A RTN 13 I OUT 14 D VS 12 A VS 15 I OUT 1...

Страница 302: ...HM C15 1UF SGND_1 C213 NOT INSTALLED HI HI_3 HI_3 HI_3 HI_3 LO_3 LO_3 LO_3 LO_3 LO_3 5V 5V R257 0 OHM R146 100 NOT R147 100 LO_3 5V CCK13R5 C174 1UF C175 1UF 5V 5V 5V C176 1UF C177 1UF C178 1UF 5V 5V...

Страница 303: ...ATOR ERROR AMP CONVERSION ECL TO TTL PHASE DETECTOR FREQUENCY DOUBLER SIDEBAND FILTER 1 1 1 1 1 1 POST REGULATORS 5 2V SUPPLY 1 1 1 1 1 1 1 1 1 1 1 1 1 1 WFM 601 SERIAL COMPONENT MONITOR CLOCKS POWER...

Страница 304: ...A8 DAC Board 671 2676 04 M81119 Page 4 of 4...

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