Tektronix 5103N Instruction Manual Download

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Summary of Contents for 5103N

Page 1: ...INSTRUCTION MANUAL S103N OSCILLOSCOPE SYSTEM pLO j sl SBCTIDI4 Tektronix Inc P O Box 500 Beaverton Oregon 97005 Phone 644 0161 Cables Tektronix 070 1143 00 471 ...

Page 2: ... Copyright 1971 by Tektronix Inc Beaverton Oregon Printed in the United States of America All rights reserved Contents of this publication may not be reproduced in any form without permission of the copyright owner St 4 3 ivXP U S A and foreign Tektronix products covered by U S and foreign patents and or patents pending ...

Page 3: ...RATION Introduction 5 1 Services Available 5 1 Equipment Required 5 1 Preliminary Procedure 5 1 Procedure 5 2 SECTION 6 RACKMOUNTING Introduction 6 1 Instrument Conversion 6 1 Mounting Method 6 1 Rack Dimensions 6 1 Installing the Slide Out Tracks 6 1 R5100 Installation and Adjustment 6 4 Maintenance 6 4 Block Diagram Description 3 1 Interface 3 1 Clock Generator 3 1 Countdown Circuit 3 1 Auxiliar...

Page 4: ......

Page 5: ... of display modules and plug in units The following electrical characteristics apply to the Power Supply Amplifier unit only unless noted otherwise For display modules or plug ins only see the specification section of the manual for that unit INSTRUMENT OPTIONS Option 1 An export transformer is available for the 5100 series oscilloscopes and can be installed as part of the instrument when ordered ...

Page 6: ...ug In Alternate Rate One half sweep rate once every two sweeps Channel Alternate Rate One fourth sweep rate once every four sweeps TABLE 1 2 ENVIRONMENTAL CHARACTERISTICS Characteristic Performance Temperature Operating Range 0 C to 50 C Non operating Range 40 C to 70 C Altitude Operating Range To 1 5 000 feet Non operating Range To 50 000 feet Vibration Range To 0 01 5 inch peak to peak displacem...

Page 7: ...ght overall 1 1 6 in 29 5 cm 5 2 in 13 2 cm cabinet 1 0 5 in 26 7 cm Length overall 1 9 9 in 50 5 cm 20 0 in 51 0 cm cabinet 1 8 3 in 46 5 cm 18 3 in 46 5 cm Width overall 8 4 in 21 4 cm 19 0 in 48 3 cm cabinet 16 8 in 42 7 cm Net Weight 22 8 lbs 10 3 kg 23 5 lbs 10 7 kg Shipping Weight 30 0 lbs 13 6 kg 39 0 lbs 17 7 kg Export Weight 45 0 lbs 20 4 kg 59 0 lbs 26 8 kg 1 3 ...

Page 8: ...NOTES ...

Page 9: ... for operation from two phases of a multi phase system or across the legs of a single phase three wire system The 5100 Series Oscilloscope is operated from a 1 15 volt nominal line voltage source NOTE for instrumentshaving optional export transformer see information following Table 2 1 The power transformer is wired to permit either of two regulating ranges to be selected The range for which the p...

Page 10: ...stored on the Power Supply circuit board Change the line cord power plug to match the power source receptacle or use an adapter NOTE The 1 15 volt block is color coded brown and it con nects the transformer primary windings in parallel The 230 volt block is color coded red and it connects the primary windings in series 4 To change regulating ranges place the line selector block on the desired set ...

Page 11: ...unit having an amplifier channel can be installed in the horizontal compartment to accept the X signal The Y signal is connected to a 5A series amplifier unit installed in a vertical compartment Special purpose plug in units may have specific restric tions regarding the compartments in which they can be installed This information will be given in the instruction manuals for these plug ins GENERAL ...

Page 12: ...he lower CRT beam X Y Operation In some applications it is desirable to display one signal versus another X Y rather than against an internal sweep The flexibility of the plug in units available for use with the 5103N provides a means for applying a signal to the hori zontal deflection system for this type of display Some of the 5B series time base units can be operated as amplifiers in addition t...

Page 13: ...l divisions of the waveform Check that the Variable Volts Div control red knob is in the Cal position 3 Adjust the time base triggering controls for a stable display and set the Seconds Div switch to display several cycles of the waveform 4 Turn the vertical Position control so the lower portion of the waveform coincides with one of the graticule lines below the center horizontal line and the top ...

Page 14: ... with respect to a voltage other than ground make the following changes to step 1 Set the Input Coupling switch to DC and apply the reference voltage to the input connector then position the trace to the reference line 2 Connect the signal to the input connector Set the Input Coupling to DC the ground reference can be checked at any time by setting the Input Coupling to GND 3 Set the Volts Div swi...

Page 15: ...od seconds Conversion horizontal Seconds Div Factor deflection X switch divisions setting 3 To determine the period of an unknown signal dis connect the reference and apply the unknown signal 4 Set the Seconds Div switch to a setting that provides sufficient horizontal deflection to make an accurate meas urement Do not readjust the Variable Seconds Div control EXAMPLE Assume a reference signal fre...

Page 16: ... the waveform as described in the previous application 2 Take the reciprocal of the period to determine the frequency EXAMPLE The frequency of the signal shown in Fig 2 4 which has a period of 0 5 millisecond is 1 1 Frequency 2 kilohertz period 0 5 ms Risetime Measurements Risetime measurements employ basically the same tech niques as the time period measurements The main differ ence is the points...

Page 17: ...ng switches of the amplifier channels to either AC or DC 2 Set the Display Mode switch on the time base unit to either Chop or Alt In general Chop is more suitable for low frequency signals and the Alt position is more suitable for high frequency signals More information on deter mining the mode is given under Vertical Display Mode in this section 3 Set the Triggering Mode switches to trigger the ...

Page 18: ... controls 9 Turn the Variable Seconds Div control until one cycle of the reference signal Channel 1 occupies exactly eight divisions between the second and tenth vertical lines of the graticule see Fig 2 7 Each division of the graticule represents 45 of the cycle 360 8 divisions 45 division The sweep rate can be stated in terms of degrees as 45 division 3 Set the Triggering Mode switches to trigge...

Page 19: ...tments and an amplifier of the same type into the horizontal plug in compartment Fig 2 9 Phase difference measurement from an X Y display 2 Connect a signal to the input connector of each plug in and select the desired input coupling 3 Position the display to the center of the screen and adjust the Volts Div switches to produce a display six divi sions vertically Y and six divisions horizontally X...

Page 20: ...Fig 2 10 Phase of a Lissajous display A 0 or 360 B 30 or 330 C 90 or 270 D 150 or 210 and E 180 2 12 ...

Page 21: ...on and is available at the front panel of the display unit INTERFACE General The Interface circuit provides an interconnection of signals logic levels and power supply voltages between plug in units and the oscilloscope mainframe It incorpo rates circuits that determine the vertical display mode and amplify the vertical and horizontal display signals Func tions of interconnections not discussed ar...

Page 22: ... provides approximately 10X amplification of the vertical signal before passing it to the vertical deflection amplifier in the display unit The Vertical Amplifier consists of Q650 Q658 Q660 Q668 and their associated passive components connected in a differential configuration The output signal is in phase with the output of the vertical plug in Horizontal Amplifier The Horizontal Amplifier consist...

Page 23: ... Q845 in the 30 Volt Supply Line Trigger A line frequency signal is obtained from the secondary of T801 and attenuated by R830 R832 and R834 to pro vide a line trigger source for the time base plug in unit CRT Heater Windings Two separate secondary windings are provided for the CRT writing gun heaters and the flood gun heaters The writing gun heaters are elevated to 3500 volts in the CRT circuit d...

Page 24: ...NOTES ...

Page 25: ...ument calibration Cleaning Avoid the use of chemical cleaning agents which might damage plastic parts Avoid chemicals con taining benzene toluene xylene acetone or similar solvents Exterior Loose dust may be removed with a soft cloth or a dry brush Water and mild detergent may be used however abrasive cleaners should not be used Interior Cleaning the interior of the unit should pre cede calibratio...

Page 26: ...e associated schematic diagrams to aid in cross reference between the diagrams and the circuit board pictures Where applicable circuit boards are identified by assembly numbers which are used on the diagrams and in the parts lists to aid in locating the boards Each electrical component on the boards is identified by its circuit number The circuit boards are also outlined on the dia grams with a bl...

Page 27: ...e circuit loading for voltage measurements Fig 4 2 Multi connector holder orientation Troubleshooting Techniques This troubleshooting procedure is arranged in an order which checks the simple trouble possibilities before pro ceeding with extensive troubleshooting When a defective component is located it should be replaced following the replacement procedure given under Component Replace ment 1 Che...

Page 28: ...to 30 15 V 3 mV or less 5 V 4 9 V to 5 1 V 2 mV or less 30 V 29 925 V to 30 075 V 2 mV or less 6 Check Voltages and Waveforms Often the defective component can be located by checking for the correct voltage or waveform in the circuit Typical voltages and waveforms are given on the diagrams NOTE Voltages and waveforms given on the diagrams are not absolute and may vary slightly between instru ments...

Page 29: ...ufactured for Tektronix to our specifications These special parts are indicated in the parts list by an asterisk preceding the part number Most of the mechanical parts used in this system have been manufactured by Tektronix Order all special parts directly from your local Tektronix Field Office or representative Ordering Parts When ordering replacement parts from Tektronix Inc refer to the Parts O...

Page 30: ...ins is available from Tektronix Inc Order Tektronix Part No 040 0542 00 To replace a pin which is mounted on a circuit board first disconnect any pin connectors Then unsolder the damaged pin and pull it out of the board with a pair of pliers Be careful not to damage the wiring on the board with too much heat Ream out the hole in the circuit board with a 0 031 inch drill Remove the ferrule from the...

Page 31: ...it to crack or im plode When storing a CRT place it in a protective carton or set it face down in a protected location on a smooth surface with a soft mat under the faceplate to protect it from scratches A REMOVAL 1 Remove the bezel assembly which is held in place with two screws The bezel assembly includes a snap in implosion shield 2 For storage CRT s Dll D13 disconnect the storage element cable...

Page 32: ...efer to the calibration section of the display unit manual Neon Bulb Replacement To replace the knob skirt deflection factor readout bulbs proceed as follows 1 Remove the light shield 2 Unsolder the defective bulb and install its replacement 3 Replace the light shield Power Transformer Replacement Replace the power transformer only with a direct replacement Tektronix transformer After the transfor...

Page 33: ...ltages a precision DC voltmeter is required The voltmeter must have an accuracy of within 0 1 and a measurement range from about 35 volts to 250 volts For example a Fairchild Model 7050 Digital Multimeter a Tektronix 7D13 Digital Multimeter operated with a Tektronix 7000 Series Readout Oscillo scope or any DC voltmeter meeting the listed require ments may be used Preliminary Procedure NOTE The per...

Page 34: ...ach supply is within the tolerance listed in Table 5 1 2 Power Supply Voltage Adjustments a Connect the precision DC voltmeter between each test point 30 V and 30 V and ground b ADJUST R878 30 V ADJ and R858 30 V ADJ respectively for voltmeter readings of exactly 30 volts This completes the Power Supply calibration for the 5103N 5 2 I ...

Page 35: ...ment for the slide out tracks to operate so the instrument can move freely in and out of the rack Depth For proper circulation of cooling air allow at least two inches clearance behind the rear of the instrument and any enclosure on the rack If it is sometimes necessary or desirable to operate the R5100 in the fully extended position use cables that are long enough to reach from the signal source ...

Page 36: ...g 6 1A right illustration b If the front flanges of the stationary sections are to be mounted in front of the front rails rails are tapped for 10 32 screws mount the stationary sections as shown in Fig 6 1 B right illustration To provide increased bearing surface for the screw head to securely fasten the front flange to the rail a flat washer not supplied may be added under the screw head Flowever...

Page 37: ...Rackmounting 51 03N RACK RAIL TYPES 19 125 0 062 uu U Wv wi Fig 6 2 Dimensional diagram ...

Page 38: ...e right stationary section Make sure the stationary sec tions are horizontally aligned so they are level and parallel with each other R5100 Installation and Adjustment To insert the instrument into the rack proceed as follows 1 Pull the slide out track intermediate sections out to the fully extended position 2 Insert the instrument chassis sections into the inter mediate sections 3 Press the stop ...

Page 39: ...nal HHB hex head brass HHS hex head steel HSB hex socket brass HSS hex socket steel ID inside diameter inc incandescent int internal ig length or long met metal mtg hdw mounting hardware OD outside diameter OHB oval head brass OHS oval head steel P O part of PHB pan head brass PHS pan head steel piste plastic PMC paper metal cased poly polystyrene prec precision PT paper tubular PTM paper or plast...

Page 40: ...g information in your order Part number instrument type or number serial or model number and modification number if applicable If a part 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 X000 00 X 000 0000 00 Use 000 0000 00 SPECIAL NOTES AND SYMBOLS Part first added at this s...

Page 41: ... 0692 00 B010100 B049999 Power 115 V T801 120 0704 00 B050000 Power 115 V 230 V A1 INTERFACE Circuit Board Assembly 670 1340 00 Complete Board Capacitors Tolerance 20 unless otherwise indicated C622 283 0032 00 470 pF Cer 500 V 5 C628 283 0060 00 100 pF Cer 200 V 5 C632 283 0002 00 0 01 yF Cer 500 V C634 283 0060 00 100 pF Cer 200 V 5 C636 283 0060 00 100 pF Cer 200 V 5 C640 281 0519 00 47 pF Cer ...

Page 42: ... Q626 151 0190 00 Silicon NPN TO 92 2N3904 Q630 151 0341 00 Silicon NPN TO 106 2N3565 Q650 151 0192 00 Silicon NPN TO 92 Replaceable by MPS6521 Q658 151 0220 00 Silicon PNP TO 18 2N4122 Q660 151 0192 00 Silicon NPN TO 92 Replaceable by MPS652 Q668 151 0220 00 Silicon PNP TO 18 2N4122 Q670 151 0192 00 Silicon NPN TO 92 Replaceable by MPS6521 Q678 151 0220 00 Silicon PNP TO 18 2N4122 Q680 151 0192 0...

Page 43: ... W R652 315 0273 00 27 kfi 1 4 W 5 R656 321 0222 00 2 ka 1 8 W Prec 1 R657 315 0822 00 8 2 ka 1 4 W 5 R659 316 0101 00 100 ft 1 4 W R660 315 0393 00 39 kfi 1 4 W 5 R662 315 0273 00 27 ka 1 4 W 5 R665 321 0159 00 442 a 1 8 w Prec 1 R666 321 0222 00 2 ka 1 8 W Prec 1 R667 315 0822 00 8 2 ka 1 4 W 5 R669 316 0101 00 100 a 1 4 W R670 315 0393 00 39 ka 1 4 W 5 R671 316 0331 00 330 a 1 4 W R672 315 0223...

Page 44: ... 290 0510 00 6000 yF Elect 15 V 100 10 C820 290 0134 00 22 yF Elect 15 V C822 281 0512 00 27 pF Cer 500 V 10 C830 285 0629 00 0 047 yF PTM 100 V C837 290 0509 00 3000 yF Elect 50 V 100 10 C839 290 0509 00 3000 yF Elect 50 V ioo io C842 290 0175 00 10 yF Elect 35 V C852 281 0550 00 120 pF Cer 500 V 10 C857 283 0003 00 0 01 yF Cer 150 V C860 290 0175 00 10 yF Elect 35 V C865 281 0550 00 B010100 B039...

Page 45: ...2 0066 00 Silicon 1N3194 CR842 152 0066 00 Silicon IN 319 4 CR850 152 0185 00 Silicon Replaceable by 1N4152 CR851 152 0185 00 Silicon Replaceable by 1N4152 CR860 152 0066 00 Silicon IN 319 4 CR865 152 0141 02 Silicon 1N4152 CR870 152 0185 00 Silicon Replaceable by 1N4152 CR875 152 0185 00 Silicon Replaceable by 1N4152 CR885 152 0185 00 Silicon Replaceable by IN 415 2 CR890 152 0141 02 Silicon 1N41...

Page 46: ... W WW R816 321 0215 00 1 69 kft 1 8 W Prec 1 R818 321 0289 00 10 kft 1 8 W Prec 1 R820 315 0473 00 47 kft 1 4 W 5 R822 316 0681 00 680 ft 1 4 W R824 316 0822 00 8 2 kft 1 4 W R826 315 0101 00 100 ft 1 4 W 5 R827 315 0242 00 2 4 kft 1 4 W 5 R830 315 0104 00 100 kft 1 4 W 5 R832 315 0473 00 47 kft 1 4 W 5 R834 315 0183 00 18 kft 1 4 W 5 R841 307 0300 00 150 ft 10 W 5 R842 308 0686 00 2 2 ft 1 W WW 5...

Page 47: ...1 00 620 n 1 4 W 5 R868 315 0101 00 ioo n 1 4 W 5 R869 315 0392 00 3 9 kft 1 4 W 5 R870 315 0562 00 5 6 kfi 1 4 W 5 R872 316 0221 00 220 kft 1 4 W R873 316 0102 00 1 kft 1 4 W R875 315 0101 00 100 Q 1 4 W 5 R877 321 0256 00 4 53 kft 1 8 W Prec 1 R878 311 1124 00 250 Var R879 321 0202 00 1 24 kft 1 8 W Prec 1 R880 316 0272 00 2 7 kfi 1 4 W R881 315 0562 00 5 6 kft 1 4 W 5 R883 316 0102 00 l kn 1 4 ...

Page 48: ......

Page 49: ...d to circuit board Connection made to circuit board with interconnecting pin Blue tint encloses components located on circuit board v DNiriQuIt board The following prefix letters are used as reference designators to identify components or assemblies on the diagrams A Assembly separable or repairable circuit board etc AT Attenuator fixed or variable B Motor BT Battery C Capacitor fixed or variable ...

Page 50: ...DISPLAY UNIT TO UPPER BEAM DEFL AMP TO LOWER BEAM DEFL AMP TO CRT CIRCUIT TO HORIZ DEFL AMP FROM POWER INPUT TPROBE TEST LOOP L DISPLAY UNIT n 5I03N BLOCK DIAGRAM BLOCK DIAGRAM ...

Page 51: ...5103N INTERFACE BOARD PARTS LOCATION GRID ...

Page 52: ...TO VERTICAL DEFLECTION AMPLIFIER PORTION OF H V BOARD SEE DISPLAY UNIT MANUAL TO HORIZONTAL DEFLECTION AMPLIFIER PORTION OF H V BOARDfSEE DISPLAY UNIT MANUAL ...

Page 53: ...E SEPARATION SOV SOV 30V A2 p o DIO DI I Single Beam N JG04 r rn T TTTTYn 5V A2 P O 012 D 13 Dual Beam note DIAGRAMS ARE PRESENTED HERE FOR CONVENIENCE PARTS LIST BOARD PHOTOS AND COMPONENT LOCATION GRIDS LOCATED IN THE DISPLAY UNIT MANUALS VERTICAL OUTPUT VERTICAL OUTPUT VERTICAL OUTPUT LEFT SIGNAL IN 3 ov AUXILIARY B0ARDS 2 AUXILIARY BOARDS ...

Page 54: ...5103N POWER SUPPLY BOARD PARTS LOCATION GRID ...

Page 55: ...POWER SUPPLY CALIBRATOR ...

Page 56: ...ased separately unless otherwise specified PARTS ORDERING INFORMATION Replacement parts are available from or through your local Tektronix Inc Field Office or representative Changes to Tektronix instruments are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest circuit improvements developed in our engineering department It is there...

Page 57: ...ted circuit 14 pin 6 KEY connector polarizing 1 STIFFENER circuit card mounting hardware not included w stiffener 4 RIVET blind mounting hardware not included w circuit board assembly 4 SCREW thread forming 6 20 x 0 312 inch PHS 1 CIRCUIT BOARD ASSEMBLY POWER SUPPLY A2 circuit board assembly includes 1 CIRCUIT BOARD 14 TERMINAL pin 0 365 inch long 14 TERMINAL pin 0 50 inch long 1 COVER capacitor 1...

Page 58: ...LY frame assembly includes 210 0617 00 XB030000 3 EYELET 0 089 OD x 0 125 inch long 131 1254 01 XB030000 3 CONTACT electrical ground 32 175 0826 00 ft WIRE electrical 3 wire ribbon 3 inches long 33 175 0829 00 ft WIRE electrical 6 wire ribbon 3 inches long 131 1199 00 1 LINK terminal connector block red link terminal includes 34 131 0707 00 2 CONNECTOR terminal 35 352 0166 02 1 HOLDER terminal con...

Page 59: ...SUPPLIED WITH DISPLAY UNIT ONLY SEE DISPLAY UNIT MANUAL FIG I REF I 5103N POWER SUPPLY AMPLIFIER UNIT OSCILLOSCOPE SYSTEM FIG 1 EXPLODED STANDARD ACCESSORIES ...

Page 60: ...FIG 2 BENCH CABINET ...

Page 61: ...cking 9 386 0227 00 1 PLATE index 10 214 0604 00 1 SPRING latch 11 214 0603 01 1 PIN securing 12 390 0192 00 1 CABINET SIDE right cabinet side includes 214 0812 00 4 LATCH ASSEMBLY each latch assembly includes 13 386 0226 00 1 PLATE locking 14 386 0227 00 1 PLATE index 15 214 0604 00 1 SPRING latch 16 214 0603 01 1 PIN securing 17 390 0190 00 1 CABINET BOTTOM cabinet bottom includes 214 0812 00 4 ...

Page 62: ... 0531 00 2 FOOT cabinet left front right rear 2 FOOT bail limiting right front left rear mounting hardware for each not included w foot 2 SCREW 6 32 x 0 75 inch Fil HS 2 NUT keps 6 32 x 0 312 inch 2 FOOT cabinet right front left rear 1 FLIPSTAND 2 SCREW 8 32 x 0 375 inch CHS 2 SCREW 8 32 x 0 50 inch PHS 2 WASHER lock internal 0 172 ID x 0 331 inch OD 2 SPACER flat for spacing of DISPLAY POWER unit...

Page 63: ...SIDE right cabinet side includes 214 0812 00 4 LATCH ASSEMBLY each latch assembly includes 9 386 0226 00 1 PLATE locking 10 386 0227 00 1 PLATE index 11 214 0604 00 1 SPRING latch 12 214 0603 01 1 PIN secuting 13 390 0194 00 1 CABINET SIDE left cabinet side includes 214 0812 00 2 LATCH ASSEMBLY each latch assembly includes 14 386 0226 00 1 PLATE locking 15 386 0227 00 1 PLATE index 16 214 0604 00 ...

Page 64: ...FIG 3 RACKMOUNT CABINET ...

Page 65: ...FIG 4 REPACKAGING 0 1 CARTON cartoi 0 2 ethaf 0 1 pad s 0 1 CARTOI ...

Page 66: ...065 0161 00 4 065 0161 00 1 7 004 0357 00 1 8 004 0360 00 1 9 004 0260 00 2 10 004 0758 00 1 CARTON ASSEMBLY for rackmount system only carton assembly includes PAD SET 1 piece PAD SET 2 piece see exploded view ETHAFRAME CARTON ...

Page 67: ...ely into printed manuals Hence your manual may contain new change information on following pages A single change may affect several sections Sections of the manual are often printed at different times so some of the information on the change pages may already be in your manual Since the change information sheets are carried in the manual until ALL changes are permanently entered some duplication m...

Page 68: ...d from either a 115 volt or a 230 volt nominal line voltage source This transformer is wired to permit one of three regulating ranges to be selected for either 115 volt or 230 volt nominal operation The range for which the Page 2 2 Right Column TABLE 2 2 CHANGE to read Regulating Ranges For Transformer ELECTRICAL PARTS LIST CORRECTION CHANGE TO T801 120 0704 00 Power Domestic Export Transformer 12...

Page 69: ...LETE RFTE R MOD H O C B M19 028 12 72 110 220 VAC FROM P8OI LO ME D HI ir P6I2 I 220 V JUMPER KVS cRfl n A c r r H 4 v I V C8I5 1 AOOO jF I rr ist acl __ _ J FLOOD C UN HEATER W r v n g 1 VAC C t W YW So ELEVATED M g TO OOV any bn f f t t ft POWER PULL ON COMPONENTS LOCATED IN DISPLAY UNIT SEE CRT CIRCUIT IN OlSPLAV UNIT VlAMUAL ...

Page 70: ...con Replaceable by 1N4152 CR678 152 0141 02 Silicon Replaceable by 1N4152 CR688 152 0141 02 Silicon Replaceable by 1N4152 A2 POWER SUPPLY Circuit Board Assembly CHANGE TO CR850 152 0141 02 Silicon Replaceable by 1N4152 CR851 152 0141 02 Silicon Replaceable by 1N4152 CR870 152 0141 02 Silicon Replaceable by 1N4152 CR875 152 0141 02 Silicon Replaceable by 1N4152 CR885 152 0141 02 Silicon Replaceable...

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