Tektronix DM 502A Instruction Manual Download

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Summary of Contents for DM 502A

Page 2: ...7 I ronoc INSTRUCTION MANUAL Tektronix Inc P O Box 500 Beaverton Oregon 97077 Serial Number COMMITTED TO EXCELLENCE DIVI 50 A AUTORANGING DIGITAL MULTIMETER 070 2693 00 First Printing FEB 1979...

Page 3: ...acheteur d origine contre tout defaut de matiere Les appareils TEKTRONIX en condition normale d utilisation sont garantis I acheteur d origine contre tout defaut de matiere ou vice de fabrication pou...

Page 4: ...v French Version LIST OF TABLES v UTILISATION FRANCAIS OPERATOR SAFETY SUMMARY vii Chapitre 2 INSTRUCTIONS D UTILISATION SERVICE SAFETY SUMMARY ix Description de I appareil 2 1 Accessoires 2 1 Conditi...

Page 5: ...nance 5 1 Corrective Maintenance 5 1 Circuit Board Removal 5 1 Heat Sink Removal and Replacement 5 1 Obtaining Replacement Parts 5 1 Ordering Parts 5 1 Troubleshooting Aids 5 1 Static Sensitive Compon...

Page 6: ...Block Diagram 8 2 Analog to Digital Block Diagram 8 3 Adjustment Locations Main Board 8 4 Adjustment Locations Analog Board Troubleshooting Flowcharts 8 5 Power Supply 8 6 DC Volts 7 DC Current 8 8 Oh...

Page 7: ...VOLTAGE LIMITS 4 3 4 3 FRONT PANEL AC VOLTAGE LIMITS 4 4 4 4 FRONT PANEL dB LIMITS 4 5 4 5 FRONT PANEL RESISTANCE LIMITS 4 6 4 6 FRONT PANEL DC CURRENT LIMITS 4 7 4 7 FRONT PANEL AC CURRENT LIMITS 4...

Page 8: ...d not immediately accessible as one reads the marking or a hazard to property including the equipment itself DANGER indicates a personal injury hazard immediately accessible as one reads the marking I...

Page 9: ...specified in the parts list for your product and which is identical in type voltage rating and current rating Refer fuse replacement to qualified service personnel Do Not Operate In Explosive Atmosphe...

Page 10: ...voltages exist at several points inthis product To avoid personal injury do not touch exposed connections and components while power is on Disconnect power before removing protective panels soldering...

Page 11: ...DM 502A Autoranging Digital Multimeter...

Page 12: ...re not verified in this manual They are either positioned depending on the operating range of the explanatory notes or performance characteristics for instrument Polarity indication is automatic which...

Page 13: ...ranging and 500 V ranges Front Panel 18 C to 28 C 200 mV to 200 V ranges 20 Hz to 40 Hz 40 Hz to 20 kHz 500 V range 20 Hz to 40 Hz 40 Hz to 20 kHz 0 C to 18 C 28 C to 50 C 200 mV to 200 V ranges 20 H...

Page 14: ...ltage Front Panel Terminals VOLTS f2 to LOW 500 Vrms not to exceed 1 kV peak VOLTS A to Ground 500 Vrms not to exceed 1 kV peak LOW to Ground 500 Vrms nottoexceed 1 kV peak Rear Interface Terminals Pi...

Page 15: ...8 C 28 C to 50 C f1 1 dB from 50 dB to 50 dB from 20 Hz to 20 kHz t1 1 dB from 50 dB to 60 dB from 20 Hz to 2 kHz f2 1 dB from 50 dB to 60 dB from 2 kHz to 20 kHz VOLTS i2 to LOW 500Vrms not to exceed...

Page 16: ...scale 0 2 f2 f 1 3 of reading 0 1 of full scale Add 0 5 fl to the front panel accuracies stated for the 200 f2 to 2000 kfl ranges Specification DM 502A Automatic or manual ranging 1 second within any...

Page 17: ...uirements Su lemental Information Accuracy for 200 A 2 mA 20 mA 200 mA Manual ranging only and 2000 mA ranges Front Panel 40 to 10 kHz Sine wave 18 C to 28 C t 0 6 of reading 0 3 of full scale Useable...

Page 18: ...Characteristics Over Range Indication Performance Requirements t2 5 C from 55 C to 150 C f3 5 C from 150 C to 200 C f4 5 C from 55 C to 150 C f5 5 C from 150 C to 200 C f6 C from 55 C to 150 C f7 C f...

Page 19: ...ilibrium whichever occurs first 30 Hz to 1 GHz 20 kV max b Description Test to MIL T 288008 class 5 with exceptionsd Test to MIL T 288008 class 3 Test to MIL T 288008 class 3 Test to MIL T 288008 clas...

Page 20: ...perating Meets same test standards as plug in Transportation Vibration Package Drop Finish Net Weight Overall Dimensions Characteristics I TM 501 TM 503 TM 504 TM 506 TM 515 Characteristics Table 1 10...

Page 21: ...atch the cutouts in the DM 502A circuit board edge connector Align the DM 502A chassis with the upper and lower guides of the selected compartment Press the DM 502A in and firmly seat the circuit boar...

Page 22: ...nternally selectable HI LO INPUT EXT INT Q Button out selects front panel input button in selects rear interface input for do and ac volts resistance and current measurements only The maximum input vo...

Page 23: ...Ct NTROL N I I iECI ORS Fig 2 2 Front panel controls and connectors Operating Instructions DM 5Q2A 2593 3 2 3...

Page 24: ...p time for operation to specified accuracy Select the desired measurement mode voltage decibels resistance current or temperature Then select the desired measurement range Resistance Measurements or t...

Page 25: ...Instructions DM 502A If the Tektronix instrument is to be shipped to a Tektronix Service Center for service or repair attach atag showing the owner with address and the name of an individual at your...

Page 26: ...t 25 C L appareil doit fonctionnerdans sont selectionn es manuellement une place de temperature comprise entre 0 C et 50 C L entr e par interface arriere est s lectionne par un bou ton poussoir partir...

Page 27: ...r bornes d entrees et voyants du DM 502A 1 Affichage OL affichage e 3 1 2 chiffres est realise par diodes elec troluminescentes avec positionnement automatique de la virgule Les facteurs d echelle spe...

Page 28: ...Fig 2 2 Commander et connecteurs Instructions d utilisation DM 502A 2693 3 Frangais 2 3...

Page 29: ...prise VOLTS SZ est positive par rapport I entr e LOWet un dans le cas Boutons pouuoirs de selection de gamme contraire Si les entries VOLTS SZ et LOW sont r unies entre Appuyer sur ces boutons pour s...

Page 30: ...iter la polarisation directe des semi conducteurs au silicium Nous vous recommandons de conserver le carton et le ma teriel d emballage d origine dans lequel vous avez re u votre Mesures de COUrant ap...

Page 31: ...sorgungseinheit unbedingt aus schubes bis sich die riickseitige Steckverbindung It st zuschalten Dadurch wird an den riickseitigen Kon Nun kann das DM 502A dem Fach entnommen werden taktleisten Funken...

Page 32: ...eschaltet ist O MO Leuchtet wenn der Mfg Bereich eingeschaltet ist VOLTS Spannungen DC Gleichspannung O Taste zur Wahl der Mef3funktion Gleichspannung DC Gleichstrom 12 INPUT EXT INT Externer interner...

Page 33: ...7 Bedienungsanleitung DM 502A Abb 2 2 Frontpiattenbedienungselemente and buchsen 2693 3 German 2 3...

Page 34: ...n front reichstasten bet tigt werden Im Display erscheint ein seitigen Eingangsbuchsen zuzufuhren Zeichen wenn die gemessene Spannung positiv gegenuber der LOW Buchse ist ein Zeichen im umge kehrten F...

Page 35: ...t werden Im LO Betrieb betragt die Me 3spannung in alien Bereichen Verpackungshinweise maximal 0 2 V auf3er im 20 Mfg Bereich mit 2 V Mef3span nung Im HI Betrieb betragt die Mef3spannung in alien Soll...

Page 36: ...Z o J5 1 7iJ l a 7 d a iJ JZtd DM502A fiT G X T L ali i6 dB F dBm e h o ri l l 1 Y ff116 Z6 13 f_ i 7 6 3t Ja h W OCT 1979 t DM502A o x r v 9 r h f 5i DM502A q Li dy hl T 5 l DM502A two 1 iG i6 LJ LE...

Page 37: ...tL 7 m h WvL 1 6 2oMS2 V i LJJx to 0 2oMS2 tr i yo 11i1 6 i lei C Z I ivZ 0 2V 20MS2 I iv2 FZ o Luri1 Z Wo c zvc td F1 o tvi IJ L tZ td u r I HIYL JI_ ta h r lI 6 20o52Vi Vi tV 7f3 L i Z lei C Zo1Vi...

Page 38: ...2 2CT aihCl Jl a 7 T rt DM502A 2fi93 3 Japanese 2 3...

Page 39: ...i t 6 F W i lJlvx h AUTO S h i f t l i 19u o t G I i a irr l L t pl L n tl 1ir i ull ll rG 6 i 1JAUT0 F ZiLpJ i LJ o illiJ i afi1G n t VOLTS 52 LOWI J S 6 i bra io mV l eA 52 M52 rlLta t i l 6 V dB k...

Page 40: ...OW T I vi at D 6 t l z 3 Vi i Fo ll 1 oWif i6 i i i Z h p td 1Z 1a o oyc 15cm41 td Z o iitr ii lfx ail 1G i Clini r 7 o t ii L 7 co iio h6 7v3 7 1 i tl t l J f Ja z u flt1 6 ZT o i a ta J r i a t _f i...

Page 41: ...FOLLOWING SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY TO AVOID PERSONAL INJURY DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIF...

Page 42: ...is ac compen and 4 Current reference for this circuitry 1 mA is sated by C1213 C1215 and C1212 The dovoltage passes provided by 611301 in conjunction with VR1303 Calibra through DS1014 S1 G S1 F Si C...

Page 43: ...1472 200 mV X 2V X N V J 20 V X 200 V X 1000 V X 200 mV C 2 V 20 V J 200 V Q 500 V 200 pA X X X X 2 mA X X X X 20 mA x X X X 200 mA X X X X 2000 mA X X X X 200 uA x 2 mA X 20 mA x 200 mA X 2000 mA x H...

Page 44: ...is See Fig 8 2 located in the pullout pages in the rear of this designated duty cycle A When the comparator output is manual low in clock cycle 7 the up down logic is high for 7 cycles and low for 1...

Page 45: ...ARATOR OUTPUT INTEGRATOR OUTPUT M Z AZ U D M Z AZ U D COMPARATOR OUTPUT INTEGRATOR OUTPUT OVRD AUTO ZERO Auto Zero Timing Measure Interval Timing MEASURE A B T B A B f B Fig 3 1 Auto zero and measurem...

Page 46: ...he decimal point ground i n the proper position There is no active decimal point li ne for the 1000 V dc 500 V ac 2000 kit and 2000 mA but tons as there is no decimal point in the display when these T...

Page 47: ...de 01321 also transits from high to low This causes pi n 14 of pin 6 of 01421 B goes low This low causes a high at pin 15 01146 to step low to high The count output from 01146 of 01146 and resets the...

Page 48: ...output voltage at pin 7 and 9 of T1721 is R1515 This source is connected to three equal resistors bridge rectified and applied to two three terminal R1416 R1514 and R1516 These three current sources a...

Page 49: ...Performance Check and the limits may be substituted Adjustment Procedure Description Dc voltage source AC voltage source Resistance standard Dc current source Ac current source CALI B RATI O N PERFORM...

Page 50: ...ance 1 8 watt Common mode rejection check Dual banana shorting Short input terminals bar 55 C to 200 C within Temperature probe check f0 25 C and adjustment Example TEKTRONIX DM 501 TEKTRONIX P6101 1X...

Page 51: ...male to dual binding post connec tor to the bnc female connector attached to the DM 502A front panel c Connect the 1 kf2 resistor between the binding posts on the dual binding post connector d Connect...

Page 52: ...DM 502A display reads within the limits for the ambient temperatures as listed in Table 4 3 d Set the ac voltage calibrator output voltage for minimum output Table 4 3 FRONT PANEL AC VOLTAGE LIMITS P...

Page 53: ...0 10 10 10 10 30 50 Table 4 4 FRONT PANEL dB LIMITS Calibration Performance Check DM 502A d CHECK that the DM 502A display reads within the tolerances as listed in Table 4 4 Display Limits Calibrator...

Page 54: ...Pushbuttons kfl 200 f2 2 kf2 20 kf2 200 kit 2000 kf2 20 Mfg Table 4 5 FRONT PANEL RESISTANCE LIMITS Display Limits Resistance 18 C to 28 C 0 C to 18 C 28 C to 50 C 180 000 f2 1 80000 kf2 18 0000 kf2...

Page 55: ...mA and LOW connections using coaxial cable and necessary adapters f Remove all connections Press Pushbuttons mA DC 200 pA 2 mA 20 mA 200 mA 2000 mA Table 4 6 FRONT PANEL DC CURRENT LIMITS Display Limi...

Page 56: ...ces as listed in Table 4 7 Press Pushbuttons mA AC 200 NA 2 mA 20 mA 200 mA 2000 mA Current 18 C to 28 C 0 C to 18 C 28 C to 50 C 180 00 NA rms 178 3 to 181 7 1 8000 mA 1 783 to 1 817 18 000 mA 17 83...

Page 57: ...circulators for the temperatures as listed in the Temperature column in Table 4 8 f This completes the front panel performance check P8801 PROBE Temperature Table 4 8 FRONT PANEL TEMPERATURE LIMITS DM...

Page 58: ...to rear interface pins 28B HIGH and 28A LOW Access to the rear interface pins is most easily The input cable fixture from the calibrating sources made using a TM 500 series Option 2 power module to th...

Page 59: ...to 1 826 1 758 to 1 842 1 770 to 1 830 18 0000 V 17 74 to 18 26 17 58 to 18 42 17 70 to 18 30 140 000 V 137 9 to 142 1 136 6 to 143 4 137 5 to 142 5 140 000 V 132 to 148 131 to 149 131 to 149 Table 4...

Page 60: ...atisfactory completion of all adjustment steps in this procedure ensures that the instrument will meet the Performance Requirements b Connect the counter set to measure 20 kHzthrough the 1 X probe to...

Page 61: ...est unit to analog ground or input LOW and the positive lead to TP1013 located on the analog board Fig 8 4 c Make certain the VOLTS DC and 200 mV pushbut tons are pressed All other pushbuttons out d S...

Page 62: ...8 dB REF located on the main board for a DM 502A display reading of 40 0 e Set the ac calibrator for minimum output voltage f Retain the front panel connections for the next step 12 Set the 20 dB Adju...

Page 63: ...rtain the VOLTS AC TRUE RMS dB and 2 V pushbuttons are pressed All other pushbuttons out Calibration Adjustment Procedure DM 502A 16 Set the Ohms Adjustment a Press the kf2 and 20 kf pushbuttons All o...

Page 64: ...d EXAMINE the DM 502A display for a reading of 101 4 TEMP connector e ADJUST R1002 Temp located on the analog board for a display reading of 101 4 This completes the Adjustment Procedure f Remove the...

Page 65: ...tangular holes at the top front of the plug in mainframe Static Sensitive Components Static discharge can damage any semiconductor component in this instrument Heat Sink Removal and Replacement This i...

Page 66: ...type or wicktype desoldering tools Test Equipment MOS or CMOS microcircuits or discretes or linear microcircuits with MOS inputs Most Sensitive ECL Schottky signal diodes Schottky TTL High frequency...

Page 67: ...mperature measurement function P6601 temperature probe and all internal circuits associated with this function Information concerning an Option 2 instrument can be found on schematic diagram 1O in the...

Page 68: ...y the assembly in which the part is located CROSS INDEX MFR CODE NUMBER TO MANUFACTURER The Mfr Code Number to Manufacturer index for the Electrical Parts List is located immediately after this page T...

Page 69: ...T COMPONENTS INC P 0 BOX 787 1981 PORT CITY BLVD MUSKEGON MI 49443 50522 MONSANTO CO ELECTRONIC SPECIAL PRODUCTS 3400 HILLVIEW AVENUE PALO ALTO CA 94304 54473 MATSUSHITA ELECTRIC CORP OF AMERICA 1 PAN...

Page 70: ...0 CAP VAR PLSTC 0 25 1 5PF 600V 72982 530 002 A13C1302 281 0773 00 CAP FXD CER DI O OlUF l0 100V 72982 8005H9AADW5R10 A13C1308 285 1101 00 CAP FXD PLSTC 0 022UF 107 200V 19396 223K02PT485 A13C1401 285...

Page 71: ...MPSN 470 OHM S 0 25W 01121 CB4715 A13R1122 315 0471 00 RES FXD CMPSN 470 OHM S 0 25W 01121 CB4715 A13R1201 311 1550 00 RES VAR NONWIR 2M OHM 20 O SOW 73138 91 72 0 A13R1202 321 0452 00 RES FXD FILM 49...

Page 72: ...3 0057 00 SEMICOND DVC SE SILICON 40 PIV 200MA SEL 80009 153 0057 00 A13CR1115 152 0141 02 SEMICOND DEVICE SILICON 30V 150MA 80009 152 0141 02 A13CR1217 152 0141 02 SEMICOND DEVICE SILICON 30V 150MA 8...

Page 73: ...0103 00 RES FXD CMPSN IOK OHM S 0 25W 01121 CB1035 A13R1318 315 0202 00 RES FXD CMPSN 2K OHM S 0 25W 01121 CB2025 A13R1319 315 0103 00 RES FXD CMPSN lOK OHM S 0 25W 01121 CB1035 A13R1402 315 0102 00 R...

Page 74: ...PNP 04713 2N2907A A15Q1105 151 0301 00 TRANSISTOR SILICON PNP 04713 2N2907A A15Q1121 151 0301 00 TRANSISTOR SILICON PNP 04713 2N2907A A15Q1124 151 0301 00 TRANSISTOR SILICON PNP 04713 2N2907A A15Q112...

Page 75: ...06 RES FXD FILM 277 8K OHM 0 25 0 125W 91637 MFF1816C27780C A15R1515 321 0249 09 RES FXD FILM 3 83K OHM 1 0 125W 91637 MFF1816C38300F A15R1516 321 1625 06 RES FXD FILM 277 8K OHM 0 25 0 125W 91637 MF...

Page 76: ...AD 2 INPUT NAND GATE 27014 DM74LS00 A15U1361 156 1245 00 MICROCIRCUIT LINEAR 7 XSTR HV HIGH CUR 80009 156 1245 00 A15U1401 156 0970 00 MICROCIRCUIT DI QUAD HV NAND GATE W OC OUT 80009 156 0970 00 A15U...

Page 77: ...s on Component Values The followlny special symbols may appe on the dlegrama A B C Function Block Title Internal Screwdriver Adjustment Cam Switch Closure Chart Dot indicates switch closure Etched Grc...

Page 78: ...1013 LOW INPUT CURRENT INPUT 01651 07855 01754 CURRENT SHUNT FLOATING POWER SUPPLY DCI ACI DM 502A BLOCK Did TEMP TEMPERATURE CONVERTER U1004A DCI DCV OHMS 0 ACI ACV a DECODE 01321 dB CONVERTER 01205...

Page 79: ...11A REF 01461 SUPPLY dB VRI 1565 O 7 MAN RELAY DEC PT DECODE 01431 01361 dB LD110 SCALING I 01311 01501 L_____I_ _ __ J p q r_ BcD TI TO 01001 01002 7 SEG 01101 01102 01201 RELAYS K1216 K1113 K1114 K1...

Page 80: ...V C HIGH I INTE QU GND I 11 I GRATOR I CO PARATOR ANALOG TO DIGITAL CO R 9 I I AZ BUFFER 12 _ I I _ _ CONTROL I LOGIC I V Vz R R1458 R7443 Rx R1457 Go C1432 R R7453 Ra R1455 ANALOG GND U1461 LD111A 8...

Page 81: ...0 oaoo 0000 CONTROL STATIC COMP I I LOGIC LATCHES 16 115 114 113 11 12 13 14 DATA DIGIT BUFFERS I BUFFERS IULTIPLEXER 01 02 3 1 2 DECADE 1 of 4 BCD COUNTERI I DECODE TIME BASE COUNTER CONTROL I I I I...

Page 82: ...443 20 dB 2 V Dc Adj R1531 2 V Dc Adi _ _ _ _ u901 u19s1 uuol 1 E o U U7911 U1911 1111 E ___ ___ a Ee c a e E E E _ c c E E K1 9 a unss u19s u19s1 a F o_ _ _ E E E E 3 E F1071 P1Y11 0 00000000 000000o...

Page 83: ...l T77x1 as y 15V TP1542 s TV1s x a i a CR19 l GIT x1 ic 1s1t O a mssl s o a w u U Ct881 TMC60 m _ R7 t 0 2693 9 81542 Dc Volts Zero 81771 15 75 V Adj Main Board 81001 T Temp Zero msa 81002 IRte _ Temp...

Page 84: ...10M a c a R7102 m B AS rvnoe I I I R _ _ I I I 1203 c a a s C1101 _ e a a a alva rPtot2 a sa D 2v4 a a v v I p q D31011 K _ _ K1111 K1113 ICI Kt218 I f e U 31213 a o fs c l Ic a L e K7113 Y n e a I U1...

Page 85: ...nsformer shield 10 10 Emitter hd of pnp series pass 133 5 V common return 9 9 133 5 V common return 33 5 V filtered do 8 TM 500 8 33 5 V filtered do barrier Collector lead of npn series pass 7 slot 7...

Page 86: ...rces by using signal source plug ins from being used in that compart theEXTINTpushbuttonlocatedonthefrontpaneLDonot ment This protects the plug in if specialized connections exceed the maximum specifi...

Page 87: ...ck transformer T1721 CR1741 C1ti41 and regulator U1855 Also check for malfunction in 12 V supply which may load down the trans former Fig 5 Power Supply For any malfunction when the cause h not readil...

Page 88: ...51 Also check for malfunction in 15 75 V or 12 V sup plies which may load down the transformer No Yes Is there Yes about 26 V across C1742 Is there No Check 25 VAC between mainframe 13A and 13B Checkt...

Page 89: ...Replace CR1019 and CR1111 Replace U1013 Check power supplies Select 200 mV DC range Set INT EXT switch out Dces display respond to changes in Input voltage _ Yes Y Check clock U1611 Short input on 20...

Page 90: ...k the X10 attenuator controlled by 01458 and 01472 It should be disabledexcept for a brief period when the range Is changed Also check relay K1442 It should be on for 200 mV and 20 V and off for the r...

Page 91: ...age at 01461 15 correct No is properly converted DC voltage 0 2 V F S present at board interconnect 5 No No Check current shunts R1151 R1056 and R1041 Check input switching for the shunts Also check p...

Page 92: ...0 2 V for LO A and remainder of ranges and 2 V for HI f2 and rest a ranges Is vatage at Input correct No Measure vatage Irom U1013 2 to U1013 6 It should be 1 V when K7113S1 Is dosed and 10 V when K1...

Page 93: ...Check AC volts Check DC current Is display indication 1 10 of what it should be No Y Is No sign off Yes Check ACI switches S7 G 2 3 and S1 H 4 5 Yes Check relay K1113 It should be on because of ACI s...

Page 94: ...20 V ranges and 1 for 2 V 200 V and 500 V ranges za Check relays K1114 Is voltage at 01461 15 equal to voltage at 01205 8 on 200 mV 200 V ranges and 1 10 of voltage at 01205 8 on 500 V range Yes Check...

Page 95: ...DC volts Yes Yes Yes With 100 V AC Input on 50 d8 range can 01205 6 TP1108 be set to V by adjusting d zero With B jumper i dBV position can display be set to 40 0 by adjusting dB of With 100 mV AC Inp...

Page 96: ...t on 10 dB range No can display be set to 60 0 by adjusting B gain Check RMS dB converter 07205 and associated components Yes Are 01401 8 3 and 6 low w Yes Check U1004B R1102 R1107 R1105 R1418 R1518 R...

Page 97: ...maximum except on the 10 dB range Display will not flash when underrange on the 10 dB range Dces isplay flash Yes when within range limits No Does display flash when above range maximum Yes Is Yes bo...

Page 98: ...mA X probe resistance Refer to probe resistance graph Yes TEMPERATURE Check probe resistance Refer to probe resistance graph Also check probe connectors and TEMP switch from probe connector to temp am...

Page 99: ...temperature probe using probe resistance graph No Is No prob OK Yes Check temp switch from current source to temp circuit S7 J 4 5 Is display Yes correct below 50 C No Check temp amp U1004A with assoc...

Page 100: ...d erroneous up exceeded d8 over ranging ranging is covered in occurs more detail in dB flow No chart No No DM fail Yes to up range Cheek AUTO when range is Check R7325 C1331 and H 4 5 U11280 exceeded...

Page 101: ...01136 9 Is and 10 to 01146 15 No 01136 12 Yes M h Are CMck R1137 C1144 and Yw _i at Yes s Uo1m 1 mwGlitches are 1146 15 01321 6 These should be k 01321 6 and Its filtered suffidently by signals 01321...

Page 102: ...004 R1102 R1002 I U1205 1 U i 1_ o AS TP1108 N N N S I i T r r I R1011 U1013 o IC1 V I V TP1013 N a N N m V V R1012 DS1014 N _ _ K1114 K1115 N K1216 ICI v 51216 m 0 0 o U1015 K1113 V a r 0 0 0 oc L at...

Page 103: ...v n i v I I I I I I I I I v I l I r I I L L I L L L L L L L I I I I I I I WW I I t rWV IV I II I I I ll l L L I L L I 1 I r r r r I I v r III l I i r I i I I I I I i i I i i I i I i i I 1 I i y i i y...

Page 104: ...81202 J5 E2 S1 J L6 L5 DS1014 C7 B3 81204 H6 F1 S1 K D2 L5 81205 J6 F2 S1 K C6 L5 J5 A1 Chassis 81207 J6 F2 S1 L J8 L5 J500 BS Chassis 81211 E6 D3 J510 B2 Chassis 81218 F5 E4 S1216 E5 E4 J520 B2 Chas...

Page 105: ...P IINPUTAL S4 A 4 3 S1 B 2ER0 HIGH 01213 01215 SK219 2 1 10 35pF EXTERNAL INPUT 4 SLOW 6 S4 t 51216 81218 15 75V FROM P1221 3 5 6 S1 K 200K 811180 15 75V 4 5 81118 81211 3 9 9M I 81204 FROM P1221 4 F...

Page 106: ...G000 ACI C1215 000 000 000 tTEMP 0 25 C1202 A L000 K 000 r 000 1 35pF 2 2 x 4 C1204 1 5 75V CAV VS 3 01 OPT 2 R1 416 ADC 6 _INPUT F15 7SV AC 12V HI ZERO S1 H SI 70K 9 RL TP1108 I 4 24 p1221 24 81205...

Page 107: ...r r r r r r r 7 01211 U1311s 2 N f l __ _ _ _ is p 01126 01221 01321 B M C7 o 2 113 _ _ _ _ _ r r C 01136 01231 01331 S _ _ ____ _ ___ __ ____ v o o i a 01146 s 01241 01341 s y a U _ _ _ _ _ _ _ _ _...

Page 108: ...i i I I I I L i I i I Yi Y Yi Y Y 4 Yi Fr Yi _Yi v vi i Yi y 1C vi A vi v v vi Li y vi vi a n v n vi vi 4 I I r I _ i vi v1 v vi Y H I a a ar is w c w vi v v Y v vi r r t l s E r 3 v v m vi W Y y v y...

Page 109: ...1 D8 P8 K1442 F1 J4 RT1522 L7 K3 P1517 L6 Li T1721 B8 N3 01458 C5 J5 Q1472 C5 J6 TP1542 F6 L4 Q7533 B2 K4 TP1880 L8 P8 TP1872 F7 M8 81358 F2 H5 87378 C4 H8 U1401A J7 J1 81418 J8 J2 U1401B J7 J1 81418...

Page 110: ...FROM R1378 R158B O 7 ADC 3 B80K OUT I INPUT 24 HI 12V 15 V GND 7 A J1221 24 IN FROM Q1456 A R148B Ci5Bi1 U1205 8 10 R1452 112 SK 0 22 220K FROM FROM dB U1411C 2 R1492 D U1461 P1221 za i J1221 1M G S...

Page 111: ...ING AMPLTFIER 1 dB SCALING CUR A13 PARTIAL 21 ANALOG BOARD P1221 30 J1221 30 15 75V 29I J1221 29 dF3 SCALING 12V I TO tO 28 J1221 28 01501 TP16e0 15 75V 81416 CD4066B SV 27I 277 BK 1 J1221 27 81521 SI...

Page 112: ...PARTS LOCATION GRID A B C D o ii o a N N N I o zs9 25 Fig 8 16 Display Board A111...

Page 113: ...01 ES E1 Q1126 F4 C2 U1211A K4 E2 U1211B F4 E2 R1001 F7 B1 U1211C E4 E2 R1002 H8 B1 U1211D E4 E2 R1003 H7 B1 U1211E D8 E2 R1012 E6 B2 U1221A K2 E2 R1013 F8 B2 U1221D J3 E2 R1014 F4 B2 U1231C E1 E3 R10...

Page 114: ..._ _ O O _ _ mom O v w i _ _ _ illl _ _ _ r 1 _ _ _ _ _ _ _ _ _ _ mom _ _ _ _ __ _ _ _ _ _ 0...

Page 115: ...0 _ a _ _ _ _ _ _ f E m o moo moo mom W Y i _ _ _ _ _ mo _ __ _ Imo mo mo so _ _ _ _...

Page 116: ...0132 OR 3g0 3 8 CLOCK D S2 D 20 2 J 3 4 11 10 20 3 v C1331 2 2 13 12 20 2 OAF U1156p sv 2 1 U1166C U1136A i S2 H V74LS04 _ FROM R1137 74LS00 _7404 3 2 01321 UR 820 12 D S2 C B _ 2 13 11 1S RESET S2 F...

Page 117: ...w i III 1l o o liie D o o I r 1 1 o o e O...

Page 118: ...ion are referenced by figure and index numbers to the illustrations In the Parts List an Item Name is separated from the description by a colon Because of space limitations an Item Name may sometimes...

Page 119: ...W CUMBERLAND PA 17070 55210 GETTIG ENG AND MFG COMPANY PO BOX 85 OFF ROUTE 45 SPRING MILLS PA 16875 73743 FISCHER SPECIAL MFG CO 446 MORGAN ST CINCINNATI OH 45206 78189 ILLINOIS TOOL WORKS INC SHAKEPR...

Page 120: ...ING PARTS 21 210 0465 00 1 NUT PLAIN HEX 0 25 32 X 0 375 INCH BRS 73743 3095 402 22 210 0223 00 1 TERMINAL LUG 0 25 INCH DIA SE 86928 A313 136 23 210 0905 00 1 WASHER FLAT 0 256 ID X 0 438 INCH OD BRS...

Page 121: ...SEE A15T1721 EPL 59 1 SWITCH PUSH SEE S2 EPL 60 361 0685 00 4 SPACER SWITCH 0 365 INCH LONG 80009 361 0685 00 61 131 0592 00 30 CONTACT ELEC 0 885 INCH LONG 22526 47353 62 136 0631 00 2 SOCKET PLUG IN...

Page 122: ...i 0 P e m 0 vzr Y 1 x p r o v i iA _ _v i mm m m _ m...

Page 123: ...DM 502A...

Page 124: ...o Part No Eff Dscont qty 1 2 3 4 5 Name Description Code Mfr Part Number STANDARD ACCESSORIES 1 070 2693 00 1 MANUAL TECH INSTRUCTION 80009 070 2693 00 2 010 6601 01 1 PROBE TEMP 80009 010 6601 01 3 0...

Page 125: ...Sincethe change information sheets are carried in the manual until all changes are permanently entered some duplication may occur If no such change pages appear following this page your manual is corr...

Page 126: ...Vto5 5Vp p SG 503 Frequency range 250 kHz to 250 MHz SG 504 Frequency range 245 MHz to 1050 MHz TG 501 Trigger output slaved to marker output from 5 sec through 100 ns One time mark can be generated a...

Page 127: ...tal Information CHANGE T0 10 MS2 0 5 paralleled by 100 pF ELECTRICAL PARTS LIST AND SCHEMATIC CHANGES REF ADD EFF SN B020430 152 0141 02 SEMICOND DEVICE SILICON 30V 150MA 1N4152 PC 3 INPUT CIRCUITRY S...

Page 128: ...W 1OV 5 A13VR1122 152 0149 00 SEMICOND DEVICE ZENER 0 4W 1OV 5 VR1121 replaces R1121 VR1122 replaces R1122 A D CONVERTER dB SCALING PWR SUPPLY Partial DIAGRAM 81028 I 100K U1025B 01015 81023 1s 7sv 74...

Page 129: ...kHz Add the following in the bottom block of Supplemental Information Typically t2 5 dB from 50 dB to 60 dB from 10 kHz to 20 kHz Page 1 4 Table 1 3 Change the last line in the Performance Requirement...

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Tektronix DM 502A, Instruction Manual

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