Datron 1062 Service Handbook Download

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Summary of Contents for 1062

Page 1: ...l Date 05 1 5 2000 Mfg DATRON Model Series 1062 1061A 1061 Document T pe Calibration Servicing Handbook Note Digital Multimeter s 0 0 13 0 Q a li CALIBRATON AND SERVICING HANDBOOK 10B1A 10B1 I N S C R...

Page 2: ...he User s Handbook 850045 Issue For any assistance contact your nearest Datron Sales and Service center Addresses can be found at the back of this handbook Due to our policy of continuously updating o...

Page 3: ...L DESCRIPTION 13 2 1 GENERAL 13 2 2 FRONT PANEL 13 2 3 REAR PANEL 13 2 4 EXTERNAL CONSTRUCTION 13 2 5 INTERNAL CONSTRUCTION 13 3 TECHNICAL DESCRIPTION 15 3 1 INTRODUCTION 15 3 2 ANALOG ASSEMBLY 15 3 2...

Page 4: ...SEMBLY 30 3 4 1 Low Drift Voltage Follower 30 3 4 2 Constant Current Source 30 3 4 3 Test 31 3 5 CURRENT ASSEMBLY 31 3 5 1 Current Measurements 32 3 5 2 Test 32 3 6 REAR INPUT RATIO INPUT 32 3 6 1 Gen...

Page 5: ...1 RAM ROM Circuit 3 12 2 Interface Circuit 3 13 REAR POWER SUPPLY PCB ASSEMBLY 48 3 13 1 General 3 13 2 180V Supply 48 3 13 3 5V Supply 48 3 13 4 15V Supply 48 3 14 SELF TEST SEQUENCE 48 4 INTERNAL A...

Page 6: ...84 ILLUSTRATIONS AND TABLES Figure Title Page 1 1 Zero Resistance Source Connections 4 2 1 Exploded View of Instrument 14 3 1 Printed Circuit Boards Block Diagram 15 3 2 Power On Options Fitted Test 1...

Page 7: ...3 32 Simplified Diagram of Current Assembly oo 3 33 Simplified Block Diagram of Digital Assembly oo 3 34 Job Scheduler 3 35 Two Phase Clock Generation 3 36 Timing Diagram of Stretched Two Phase Clock...

Page 8: ...to remain at earth throughout and let the calibration source float If a Remote Guard connection is necessary then examples are shown in the Operating Manual 1 1 3 The AUTOCAL Process 1 1 3 1 General T...

Page 9: ...ation is required for each polarity of input The two Zero calibrat ions are included to overcome a possible zero difference with the polarity setting of the DC calibration source If the DVM Reading Af...

Page 10: ...0 000mV DC 1 Zero 0 000mV 1 digit Wait for the reading to stabilize before operating Zero 12 IV Positive Full Range 1 00 000mV DC 1 Gain 100 000V 1 digit 13 IV Range Zero O OOOmV DC 1 Zero 0 000mV 1...

Page 11: ...d with an occasional least significant digit showing is to be expected 1 3 2 Zero Resistance Source For accurate Zero calibration on Ohms it is ESSENTIAL that a correctly connected zero source is used...

Page 12: ...ero kl2 4 wire 10 Zero 0 0000kl2 8 lOkfi Full Range 10kl2 1 Standard Resistor kl2 4 wire 10 Gain 10 0000kl2 9 100kJ2 Range Zero 4 wire zero kl2 4 wire 100 Zero 0 000kl2 10 100kS2 Full Range 100kl2 1 S...

Page 13: ...table repeat operation of the same CALIBRATE key is permissible to improve the readings This will be necessary with the AcHf key 1 4 2 Equipment Required A copper shorting link and an AC calibration s...

Page 14: ...10 0000V 5 digits 9 IV Full Range LF IV rms 500Hz AC 1 Input filter Gain 1 00000V 1 digit 10 IV Full Range HF IV rms 30 kHz AC 1 Input filter AcHf 1 00000V 5 digits 11 IV Full Range LF IV rms 500 Hz A...

Page 15: ...key Note To reduce the effect of noise at low input levels AC zero calibration is carried out at 0 1 Range and for lOOmV Range zero steps 1 2 of the table Guard is connected to Lo using a copper short...

Page 16: ...0V rms 500Hz 500V rms 20kHz DVM Setting AC DC 1 AC 10 AC 100 AC 1000 AC 10 AC 10 AC 100 AC 100 CALIBRATE Key Zero Check only Zero Zero Gain AcHf Gain AcHf Gain Gain AcHf AC 1000 KEYBOARD 500V Gain DVM...

Page 17: ...Autocal Standard with Option 20 1 5 3 Checking Accuracy after AUTOCAL To check the accuracy after AUTOCAL the Speci fication Verification section of the Operating Handbook will be useful It provides...

Page 18: ...f the Operation Handbook will be useful It provides tables for quick reference of accuracy on all ranges and functions in displayed digits AC CURRENT CALIBRATION TABLE Calibration Operation Calibratio...

Page 19: ...s a higher percentage calibration error The KEYBOARD method operates for both the Gain and AcHf calibration operations An example using KEYBOARD to calibrate directly against a Standard Cell is shown...

Page 20: ...errupts from interface 7 check status byte S obtained by service routine prompt operator to apply calibration source on com pleting zero cal program gain cal trigger program to Internal Trigger Disabl...

Page 21: ...oam covers The bottom cover is fitted with the tilt stand rubber feet and instruction card Earth screening of the covers and guarding is provided by aluminium plates heat staked to the inside of the c...

Page 22: ...ON EARTH SCREEN DISPLAY DRIVER ASSEMBLY CURRENT ASSEMBLY OPTION rii ACASSEMBLY OPTION 10 See Note 1 OHMS ASSEMBLY OPTION OUTER GUARD SCREEN BOTTOM COVER ASSEMBLY R H CENTRE GUARD SCREEN FRONT PANEL AN...

Page 23: ...nd the D A converter set up conditions A line is also provided to instruct the micro processor which options are present and if the AC assembly is measuring a signal above 5kHz 3 2 1 2 Power On At pow...

Page 24: ...f M19 is set low if the option is fitted causing the COND VAL to be set high Note ID and lA lines logic 1 1 5 volts logic 0 5 0 volts AD lines logic 1 0 volts logic 0 5 15 volts The next step in the p...

Page 25: ...nt Compensation AC Volts AC Assembly Frequency Compensation AC H DC Volts AC Assembly Frequency Compensation Resistance Ohms Assembly and Analog Assembly Input Bias Current Compensation DC Current Cur...

Page 26: ...i _ 0 O 5 O IT O A 0 3 r 0 cc yj cc FIG 3 6 GENERAL FORM OF ANALOG INTERFACE UPDATE TIMING DIAGRAM Data Messages from Digital Board ANALOG INTERFACE INPUT ATTENUATOR ACTIVE FILTER GAIN NETWORK BS lnpu...

Page 27: ...r input can never exceed approximately 24 volts The output from the DC Isolator test point TL8 is approximately 3 16 volts To for a full range 100 000 input by the following methods See Fig 3 9 lOOmV...

Page 28: ...igh inpedance buffer which tracks the inverting input of the preamplifier The offset of M32 is adjusted so that its input is within lOO tV of the input of the preamplifier M32 thus functions as the lo...

Page 29: ...t routine actuated from the front panel or remotely programmed the DC isolator is checked for correct operation The circuitry is placed into the 0 1V range as described in 3 2 1 3 except that relay RL...

Page 30: ...Reset Switch Control Polarity Sense From Digital Assembly FIG 3 12 SIMPLIFIED DIAGRAM OF ANALOG SECTION OF A D CONVERTER Multiplexer M35I Control Lines Ref 1 Sig Output TPB Ref 2 Ref 1 Integrator p O...

Page 31: ...as the signal temperature coefficient followed by opposite polarity reference and reference r 16 signals to the buffer and integrator The multiplexer is then placed in a reset condition ready for the...

Page 32: ...ained constant whatever the input signal 3 2 3 5 Integrator The basic Integrator comprises R6 R7 and C9 with hybrid amplifier Q35 and M25 See Fig 3 17 Low noise FET pair Q35 also has low gate leakage...

Page 33: ...set a small amount in a cycle of 16 steps See Fig 3 20 This offset is produced from the digital to analog converter M28 which is enabled by the level shifted AVE signal from M20 5 and clocked from M6...

Page 34: ...26...

Page 35: ...to the input of the AC assem bly If DC and AC are selected together the AC assembly becomes DC coupled by energising RL3 causing C57 the AC coupling capacitor to be by passed The signal is then fed t...

Page 36: ...rectifier to provide the same output for non inverted or inverted asymmetric waveforms The output current from the RMS module passes into filter buffer Ml and is converted to a nominal 5 volts for a...

Page 37: ...6 SIMPLIFIED DIAGRAM OF AC HIGH FREQUENCY COMPENSATION 3 3 5 Frequency Detection 430402 sheet 2 The signal frequency is monitored by M10 which is set so that a signal frequency greater than 5kHz cause...

Page 38: ...with the 1000 Volt range of the DC isolator The resultant impedance presented at the input terminals is a resistance of 1ML2 shunted by 150pF Relay RL2 is energized on selection of AC directly connect...

Page 39: ...nsing as shown in the simplified block diagram Fig A3 25 M13 and M14 form a summing full wave rectifier The output of precision half wave rectifier M13 is summed with the non inverted signal at the in...

Page 40: ...ried out at one H F frequency but since it flattens the AC amplifier response the correction is valid for all specified frequencies It should be noted that the calibration routine is iterative since t...

Page 41: ...onsider 2 wire measurement I i is linked to Hi I is linked to Lo and the unknown resistance linked between Hi and Lo with a constant current flowing from I t Hi through the unknown resistance R to Lo...

Page 42: ...there is no voltage across Rz and consequently no current in Rz Voltage follower Q10 M3 will simply pass more current into Ry from the I terminal until the selected current for the particular range fl...

Page 43: ...the output of the DC Isolator to be approx imately 5 75 volts After measurement by the A D conver ter the value is compared to the stored value If the measured signal is within 6 of the stored value t...

Page 44: ...range signal from the DC Isolator or AC Converter is buffered by unity gain amplifier M2 The output is potentially divided by R7 and R8 so that 1 volt full range is presented to Ml another unity gain...

Page 45: ...ired to be run and cleared when completed Priority of activation is ensured by making each job exit on completion to the top of the schedule Program Modules The program memory is split into a series o...

Page 46: ...DAAWING No 8900 3 JIRQ 3 QATA TO DJSOl_AY 1 DRAWN JR DATE 12 1 62 DIMENSIONS IN MILLIMETRES CHECKED DATE SCALE q ts a sa APPR DATE NOT TO BE SCALED...

Page 47: ...UPDATE CONTINUOUS AVERAGE r Q 7 i PNWY Vt CjATA value READING OR TAX OR McN CC MPuTe Ofc 107 Oni_T COTPuTE c B C 1061 ONi_y J LiMir CHECK filONLy SET OvERuOAD FLAG SET UN ITS RESOLUTION 1 SET FLAG DAT...

Page 48: ...as the measuring circuits are not converting an input signal the state in level 1 is moved to level 2 causing the measurement circuits to update to the new state When an A D conversion is complete da...

Page 49: ...e A8 and A9 are not decoded there are images starting at 0100 0200 0300 A further 256 bytes of 8 bit wide RAM are made up from two 256 x 4 bit RAMs M19 M20 M19 and M20 are backed up by a battery to pr...

Page 50: ...AND A D SECTION Fig 3 37 SIMPLIFIED DIAGRAM OF MEMORY CIRCUITS...

Page 51: ...counter output enable 0 1 1 X X X M32 9 Analog interface address latch input enable 0 0 0 X 0 0 XKDSPO M16 7 0 0 0 X 0 1 XKDSP1 Ml 6 6 i Addresses keyboard 0 0 0 X 1 0 XKDSP2 Ml 6 5 I e d latches 0 0...

Page 52: ...the sequence completion of one stage generates the Enable for the next via M46 switches as a logic 0 state at M47 13 Timing is synchronized by Master Clock 2 positive going edges at M47 14 when M47 is...

Page 53: ...DATA READY MESSAGE AND PUT ANALOG CIRCUIT INTO RESET 1 i PROCESSOR EXTRACTS DATA FROM MAIN COUNTERS CLEAR DATA READY LINE 1 r SIGNAL A B c RESET 1 1 0 SYNC 1 1 0 SIG 1 1 1 BIAS 0 1 1 WAIT 0 1 1 1 REF...

Page 54: ...REF 1 is high the primary counter of M23 is enabled pin 3 and counts the period of REF 1 REF 1 is ended when a null detector pulse is detected and latched on to M22 This causes the sequencer to step...

Page 55: ...ted to DC Isolator Lo Signals applied to the six front panel terminals are routed through to the Rear pcb to the Rear Input Ratio pcb or Rear Input pcb if Option 40 or 41 is fitted via the Signal Cabl...

Page 56: ...ion is not being extracted from the keyboard encoders The data latches are divided into four sets M6 and M4 M8 and M5 Ml and Mil M9 being fully enabled from the XKD SP0 XKD SP3 lines respectively On i...

Page 57: ...PROCESSOR A2 ADDRESS A1 BUS A 2 IB 2B 3B 4B SELECT 1Y 2Y 3Y 4Y R V RAM DO D1 02 D3 04 D5 D6 D7 j t h h j j I I 02 XDDSP DO 01 02 03 04 05 06 07 PROCESSOR DATA BUS FIG 3 47 DISPLAY DRIVER WRITE CIRCUIT...

Page 58: ...o the RAM and connects the A inputs of M9 to the address lines of the RAM 3 10 2 Read Mode Discharge between adjacent display blocks is preven ted by time multiplexing and sending information to alter...

Page 59: ...Purpose Interface Adaptor GPIA M9 provides the interface between the IEEE 488 Standard Instrument Bus and the 68000 microprocessor The MPU can receive process and send messages to the interface throu...

Page 60: ...a operating scratch pad memory is provided by two 256x4 bit RAMS M22 M23 Both the ROM and RAM s receive the address information with chip selection being made by decoding address lines A8 A11 with XIO...

Page 61: ...entral printed circuit board is powered from the supply gener ated from the two 8 8 volt 750mA secondary windings on transformer T1 The centre tap digital common is linked directly to line ground via...

Page 62: ...49...

Page 63: ...UNCORRUPTED CALIBRATION STORE CHECK FOR UNCORRUPTED INPUT ZERO STORE DISPLAY PASS CANCEL TEST KEY L E D NoV IS I FITTED TEST DCI MEASUREMENT Fail 1mA RANGE The Intrument is returned to the HOLD mode...

Page 64: ...ry Links should be 22 SWG TIN Cu wire with silicone rubber sleeving 4 2 BATTERY REPLACEMENT The battery should be replaced on or before the date indicated on the rear panel instrument identification l...

Page 65: ...Adjust L2 to give a stable H 05 0 03V NOTE This signal contains about 200mV peak to peak high frequency noise 13 Insert calibration key into keyswitch on the back panel and turn placing the instrumen...

Page 66: ...nals Select ZERO 32 Apply t 10 volts and select GAIN Repeat until display reads H 0 0000 digit 33 Apply M9 volts If the display reads within the limits t 18 9999 to t19 0001 proceed to step 35 34 Calc...

Page 67: ...s 10 This part of the procedure must be performed with the high frequency compensation voltage at Jl ll R57 at 5V 0 2V a Select AC 100V range FILTER and apply 100V 500Hz Select GAIN Apply 100V 50kHz a...

Page 68: ...1 078 2 937 2 954 v s X X 1 072 2 954 2 973 s X v 1 065 2 973 2 988 X v X 1 059 2 988 3 004 X X v 1 054 3 004 3 021 v X X X 1 048 3 021 3 038 X s x 1 042 3 038 3 055 X v X 1 036 3 055 3 071 X x X v 1...

Page 69: ...actor 21 Apply 1VRMS ve 5 1 Crest Factor signal Adjust R61 crest factor for a display reading of 1 00000V 30 digits 22 Apply 1VRMS ve 5 1 Crest Factor signal Check that display reading is 1 OOOOOV 30...

Page 70: ...00V 0 7 1000V 0 m 0 DC Coupled AC Voltage Range ADO ADI AD2 1 lOOmV 0 1 1 2 lOOmV 0 1 1 3 IV 0 1 1 4 10V 0 1 0 F 100V 0 1 0 6 1000V 0 1 0 7 1000V 0 1 0 1 E T PATTERNS DC isolator AD4 AD6 AD7 0 0 1 1 X...

Page 71: ...1 1 0 1 0 0 1 6 1A 0 0 0 0 0 1 1 X 1 1 0 0 1 0 1 7 1A 0 IB 0 0 0 1 1 X 1 1 0 0 1 0 1 9 AC Current Range AC assembly Current assembly ADO ADI AD2 AD3 AD4 ADS ADS AD7 ADO ADI AD2 AD3 AD4 ADS ADS AD7 1 l...

Page 72: ...59 TEST...

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Page 74: ..._ 700061 70006 70006 1000h _ 700061 I 700062 SLl E_ SWITC H SlE MEMS KerasAeb switch gfo Ltbi schacjow IC A23I 5 AbO A ISeL_ _ Eb_U keyaoA b S itch sgesKjLtbl So iAbow set S EET 7 run tATKST iSSUt ISR...

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Page 78: ...PART No J2G SOOt c so AI2I8 3223 07Pg 06 fe O oooo ku cr KiF_ euBBCf co poojb No USED Per A y aOi irW l iWAENINia LAaEL 615029 M3 crinkle washer ss 615009 4BASOLDERTAG BRASS TIN PL 590001 ISLEEVE MAX...

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Page 82: ...IM4 t4e J IM46 A I IM45aA INASaA 4 I IM4I4 IN4I4 1M4I4 IK14U PAOipp_ PADiOO BVES2 BYZSa BYzsa BYBSZ No USED Per A sv 4 z 4 1 1 1 i 1 I 17 JULY 7s 1 dstron i 1 ivYrG SMiid cueeEMT pc a j 1 i i i i i t...

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Page 85: ...4 Q2 240OD C23 250001 S PM P TI AM5iST015 KJAtiOM AL E 0 214 TO 1 2 Q4 250CX I Q5 240001 Si NPM TRANSISTOC national BCI84 TOI8 _ Q 240001 I M n mi t 2SOOI 1 Dual s plip p lop Motorola Mc o e op 1 J1 C...

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Page 90: ...5Kf SHCtT FOH LAItST iSSUt dstr Qn I IC 0 O1 o tITLi 1061 AMAJXX3UE PCS ASSEMBlV oa ni tM t j H 40032S 4 0 4 DtSJGNATOR 1 1 DAT RON DESCRIPTION 1 PRINCIPAL j MANUFACTURER S No USED PART No manupacture...

Page 91: ...ImANuPACTURER S IPART No jNo USED Per A sv 107 OOO 22 2 2kz _ Lj RlOB 0 0038 10K81I AtT M set MAWN 1 RlO 090038 IOK8II ZIZ Rmd 090038 i9K 090038 IK j 0006 2 1 CrKB 57 aW CAEBDM MULLARt CR25 r i sic NA...

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Page 94: ...No 1 50020 OjlJ f 20 ZSV pi TANjj t02 171__ 4 70 7 500 lC t D 50020 _ JQ F_ P 2Sv_ 0i_pj ak t__ IS0020 iOa p ip2 I SO iSpF Sosy c gg oiso I400A6 O A luf AOC Ra r PgQP 1 100 15 0 QI5 g 3V PolVESTEK i20...

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Page 96: ...Si LOW LEAMAGE 1 1 IM458A No UStC Assv p I 7 6 ctetpon I T i I 1 06 awA ool Pcs I DQ328__ 200000 2 oooo t 200001 200001 200001 _ 210047 20000s ZooooS 200006 200006 200001 20 000 20000 ZooooZ ZooooZ 20...

Page 97: ...STOR fJATIOMA 3C2I4 C IS 0 1 230COI M a r Arv C iJC EMT U M f L1CO JlX E soa as 230027 LOa LEAKACiE fJ FET TElC VS 7 ClQ 2 3002 Q7 33C 7 ae 230027 03 230027 1 u OID 230027 230027 _ _ T 4Do 7 i V 1 Oi3...

Page 98: ...CTE D DATgQ N 220 01 7 2 200 1 7 280075 2 SOOL5 2800 5 2 00 1 2S00 82 zaooTs Z8CC06_ 2BCC06 280015 2800 18 2 00057 2200 NUItS AtT RMATIV HPASrl SI t SHf FT I OM I ftfl ST lSSl r f r T i aKSv DUAL OPTO...

Page 99: ...t 1 a 1 s is Ji DAAMM p 7 n AX i j CMICMO assemblv L i i j j R MVfO J CAA l i H I 400328 220 24 vmoN PTiON principal manufactur R S No USED IANUPACTL HEH PART No Ppf Ass 3300IS 400379 400379 2 4 30 5...

Page 100: ...riNiaCi HN 30 5Z 6ZCQC5 CLDV gL AF PTF TE M SEALEC Tgp F7 15 ZD_ _ G2 pool TE ST POINT TECMIIMAL MIC eoVi a GZyX SOLbEt f S TPgMiMAL LLiP TTAgWiN HZ 25A 63QP I STAKJtAgt ST6AT t BStoi PftgK ESVAL R g...

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Page 102: ...20 22R 000220 I22e 1 OOO 100 ilOR iMOT U6ED 000222 2k2 5 4 A LAR60W Mull A ED OOO 222 i 1 000103 JOk i 000103 10k i 1 000271 270R OOO 1 03 lOk OOOSGl S E SHEET 2 FOU LAtEST I c A rx j c u datrm TIS lO...

Page 103: ...3 J I sooo G 15000 2 102 1 O I I 50 C 02 15 O p l_ 6__ 4 _ _opp_ 2_ I 0 01 3 J50p_0 2__ 102 2 2 I J 500_p 2 _ i_J5 00_0 2 _ 45 O O Mo 5_0 O O Z I 1 0_2J O I I I 12001 description PRINCIPAL manufacture...

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Page 105: ...mA 75v GP Si DIODE FAlgCHILb iN4 f4S 015 200001 75mA 75V p Sr DIODE FAlieCH Lb IN4I4S 016 200002 lA 501 5PSi DIOD FAIRCHILD N400I 017 200001 Si GP DIODE FAIRCHILD IN4I 48 018 NOT USEb 019 NOT USED 020...

Page 106: ...700 S 1 M29 Z700 55 290 0 57 1 M3I 29 00 96 M32 27 0O 3 M33 270051 M34 270055 M35 29 0 0 S6 M3 28 0 0 96 M37 1 280025 M32 1 2800 7 1 M39 28 0 0 1 7 M40 29 0 0 83 M4 1 28 0 0 4 4 M42 28 0 0 03 f NOTES...

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Page 109: ...j 000 1 02 _U OOOlOP CR2S i P_0p l_02_ i_0 00 l 02 i_0_pO I 0 2 I 0002 NOTES CIRCUIT DIAGRAM 430350 CHECK PROCEDURE 4GO550 CHECK LIST 470330 S E SHFPT 7 FOR LAIfST iSSUt Pc pr i 2 2 1 I NOT USED i If...

Page 110: ...LL AgP iCiF 20 _25v_D 7A T UMION CAgatpe fiO 2o i 2SO Al ti tC T ITT NOT USED I NOT USED NOT USED DiOOE 6i jP C220AC PI0K _ KI0 2S _ C280 AE Pick C280 Ae PIoK TkTo_E 2S jptO tOOft 250 A I IN4 I48 NES...

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Page 112: ...000 S2 IBS 000103 Ioooio4 ootc ISM 10 0 7S datron lO il ohn f c b A sy l 4 80 3 0 DESIGNATOR 1 DATRON DESCRIPTION r PRINCIPAL MANUFACTURER S PART No manufacturer PART No No US D Per A v 1 0 i52CMl i20...

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Page 115: ...30027 tr I Q3 2300 2 7 a 230027 GJ5 230002 V CHAKi J FET SlLl COMiX QG 230027 N CHAM J PE T 5ELFCTe TeLE 5r J a7 230027 ae 2 0002 N CHAM F T SILI OONJiX U i93 A 2 03 230002 1 Gt lO 2 00 7 3i NPkI SoPE...

Page 116: ...7S B J I cts u on i 1061 OHMS pc a 1 DtSiGNATOR 1 DAT RON j description T Iphincipau 1 1 i MAN JhAi TUREH s j f o libtU Pt Adly PART No 1 1 manufactuheh IpAR Nu i 5 I 2533 5 10001 590055 a sooPH g 02...

Page 117: ...MUT 3 4SUNC Pull mET iste l onoii 61 8oo2_ G20OO3 aioo2 IG2 0007 MVlatc h Obommet hmsc TOS MOUMTlNfi PAD l ri 3a 32 I TO S MOUMTlN g PA D J gMyt J j roSI3 OoA0 A r rg ec e TEgMIiiJAL UJ HAgWiM H 2 l 0...

Page 118: ...HIPMUN v amueactuhe h MANUfA C tUrtl H S AHr Nu 4 ijSEl P M A V Dl 200001 75 O A 75 V 5 P Si DIODE FAIRCHILD IN4I 48 1 Ml 2800 8 t PERIPHERAL INTERFACE AOAFToR MOTOROLA MO 6821 P 1 J M2 29 0 00 3 5 SS...

Page 119: ...RI STATE HEX BUF R MOTOROLA i TEST Point TERMimai NVcRoVAtt Ji WAT PDL ARISEO SOCXET MOlEX 2 4 WAY DIL 30CK ET GOLO 04 I 24 WAY Dll_ S KET AU6AT 1 4 WAY OIL SO ET lASTRALOX oA JERMTM t feWAY DIL SOCXE...

Page 120: ...AeO ce s _MullaRD 1 MOLLAltt I Mlk LACO MULLARD Ml LARB MULLABO CR 25_ oezB SE SHEET3 fOR LATEST ISSUE 0 T a MAY 7 ctetron W a rBAiTtJ HdP I emAB JPUT ABBY I O I 7I AOOiaC I sTg DESIGNATOR OATRON desc...

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Page 123: ...MULLACO R33 000333 33k S i CARBON MULLARD 234 000 03 Ok 53o CARBON IMULLARD 1235 063 SOO jSOR Por SO CEBMET BECK VIA N 23t i 0 50 b 203K IV 100 fn OF ALLEN B ACiU V 237 000202 2k2 S 4W CARBON MULLARb...

Page 124: ...2S 4k7 25V lO SEE ORG OO 02T2 00 0 2T2 OOO 330 OOO _05 000 8 2 4 06 3 504 09 0 067 _ 000j04 opo 2 2 5 O I II O 3 OOO 56 I oooiqi OOO lO loop I 04 I poo I 34 ogO 94 ooqj03_ _ 00p_l_S3 __ 000 6 _ I 000...

Page 125: ...S icezs SEE D RG SEE DBlS eggs CR2S SEE PgG lceg5 0 t 17 8 79 I o Jy_ j i No USED Per Aisv AC PC6 ASSy 400402 I f 1 1 DESIGNATOR 1 DATRON PART No description 24 000107 lOOM 10 Afv CARSON R2S 000331 I...

Page 126: ...25 CR2S _ SEE PRO SEE DRG No USED Pet Assy Stt StiFt t 7 I itit I A1 1 ii DtSK NAfuH AIU N KJN 1 PAHI tj t PRINCIPAL MANUPACTURffl MANUPACTURC i PART No No USCO P f Assy 0 0 02T 2 2 k 7 5 000272 2i 7...

Page 127: ...10 7 CARBON 7 1 k S 4W C ftBOK IM5 ST i CARBON IQOM oYo 4W CARBON IK 5 4 CARBON M POT SS CEBMET CAR6Q 277k 2S 4 I0 MF 277k 25 I O H MF 1 277k iS A 10 kkx f4F tT1 k 25 IOH MOT J SED 47M lO A w_c S20R...

Page 128: ...ITT CDIO 3 C23 102 OO JCK 5 500 CER Disc ITT CDIO i 17 8 79 datron filF Sum t 1 MH 1 All I Iz 1 I I ft lo i Ac PCB ASSY I 1 1 H _ 1 4 i 4 A i i i i i 1 4004C 2 102 4 72 C25_ 102 472 C26 150020 C27 I50...

Page 129: ...IOOZ7Z PniNCIHAL AMJF Ai l UlU M I lit M V DM I ftTM 1 33 f soOv Cee MOT USED MOT 0 S EC _ K0T_V5 ep 3A3F_20 _500 _ 4i5C InF iof 500V _ceR DISC ITT oF I0 __5CX V C P DISC JTT 8f 2F 25j F 100 CEP DISC...

Page 130: ...23000 1 __2 _5 qqo_8_ 25_qpq4 _ i 24qqoq_ I 2SOOO tlj24qo i3_ 240006 I 2 5 0004 j_ 240 0 p6_ _ 250004 _q3 oqq5__ 2_5_qqq_ _ 25qqo _ 2 spq_o 4_ 25 0004 iDtSCRIPTlOW i N CHAN JFET N CHAN JFET I N CHAN...

Page 131: ...CRlPTlON i ipfliNciPAL 1 IMANUFACTURER S 1 No USED PARI No 11 manufacturer Ipart No Per Assy 260027 714 OP AMP FAIRCHILD AjATIAHC 26 00 2 7 714 OP AMP FAIRCHILD A A7I4 HC 280015 C5UAD D TYPE latch MOT...

Page 132: ...0 x 5 8LACIC HELSTn FSV TEgMIMAL j MOLEV 02 04 lg7S 2 I BREAKAWAY TEgMI tjA L STtaq M OLEX oS 30 OOOI 6 14 Pin DIL SOCKET IAStPALUX iICLI43 S3T 1 4 Pin oil socket 1 16 PIN DIL SOCKET tpiMP TERMINAL MO...

Page 133: ...F 20 ASv DiA eN i N _ AR Str fe k N i C I0407S lOOoF SOIF CE DISC SIFMEMS 837449 C8 lOf 1 05 lO F Zb 250V CEP Disc ITT cs 02 fe B o 500V CJR Tr C C CIO 1 02 1 O 1 fOOpF iO SOOV CE e SC ITT _ C D o CII...

Page 134: ...ILE 5KT Jermyn oR antifersnce A53 200i y OB ICKI E 3 S3 1 03 S73I20 C 605051 WAY AP 3M CABLE ASSV 4 tVAY POLARISED socket OATRON 1 04 MoLey 22 Oi 204S 6471 4 1 1 to 0379 1 LVIR TeeN INAL ASSY PcB 2 4...

Page 135: ...12 T i 2 a T 5 I uOG _ ltfista ntto noi 1601 1824 _ Ii3 3 4 1 3 24 1 85 1 y I tf i 15 p 1 1 A t 4CXD552 2 o_ i Ti K I 7 if 1 4 V V V i N I A J M V7 A kif P24 000 562 5k 5 4 4 IV CARSOJJ MULLARD CSt2S...

Page 136: ...0 53 330R SY aw CAE 80N MULLAEb 000680 5 tw CARSON MUUAfiD OOOS_Q 2 _ 5K5 CARBON MUUAgQ _ O 8 O 0 4S S Ol M FOIL UlS HA Y 08 00 44 J0I 4 991 090 I I 1 1 2 4fk 9525 01 i _9 H 4k99_ lV _yBW SO i Mr HOLC...

Page 137: ...1 log 1 I06IA AC PCB j I062 1 AW 1VE0 t i i 4 UO 552 J_ 6 20 t h Si H I P I I i HIN PAl AL TifKl 4 N UOllJ PAMi Ni S R 116 000 752 7KS S Aw CARBON MULLAPD CR2S _ R1I7 000680 C8E 574 4W CARBON MULLARD...

Page 138: ...Y 4005 52 8 20 0 2 5 1 000912 008047 OO8049 008042 080032 2 080052 2 0 8 00 52 2 080052 000104 000562 000828 000105 000222 000222 00082 I 000821 000682 000 03 000103 000 54 0900 7 kl5 1 4 few SOf MF 3...

Page 139: ...00 2 I F 10 I 6OV POLYCARB ASHCROFT A2B I02S B 1 C2J 02102 InF 105 50OV CER DISC HI CDIO 2 NOTtS 1 UAI 1 r4 i4r r n j 5 7 83 Sft 7 FOr lAriSI ISSUE 2tz ac pc Assr i 400 55Z o 2o DlSU NAIuH DAI HON j A...

Page 140: ...83 datron 1 St L Shi M I a 1 m iSS i fj Tir t 1 U i f LOC l f AC PCS ASSY 106c L 1 f 1 1 i i i i 1 _ Z tiz j jF 400552 riz r r l jNAIoH TAAtMOf 1 HI 4UJ AL 1 MANU ACTORfe iNi i lfjtl L PA 1 No MANUPAC...

Page 141: ...AL SOQ f VAgl CAP DIODE 200mA 125V LL Si DIOOE jlVS 250mW ZENEg aOOrnA 2SV LL Si DIOOE l2WmA IgS V LL Si DIODE ll2V 4O0mW ZENEg 8V2 4O0mW ZENEg J not used J gpOmA I2 SV LL Si DIODE 1200 nA 125V LL Sl...

Page 142: ...N transistor NATIONAL 2N 3904 7018 GJi4 23 0042 N CKAN 1 LlM 3 OmA TELEDYNE JS09 SMf f 7 for tAHSi Sb rc e E I 5_7 83 datron AC PCB ASSY O I lr4 i i j 400552 16 20 liAl KuN PAM1 No L7I Si kiir r FHtNU...

Page 143: ...32625 5 SCf SHEfT 7 Fon CATtSt iSSUfc I OAU _ 7 83_ cfcitrcin L o AC PCB Assy 1 400552 designator DATHON PART No 33 0 0I2 L 3p OL8 i 53001 I 33001 3300 2 2 3300 ijj2 _45q383 J 400379 5 4IOai7 4__ 459...

Page 144: ...mm SPACER Mi i L SHAICEP gOOP Ma 5 N T SHAkEPgQOF M3 FUO KJUT STE ZNjW j S01 0EE P E _ CLOVEPi F_PT _ 1 TEST POINT TE2MINAL MANUr C TUWtRS PART No Z6377 02 No UStO Ppt Ass CLOVEPLEAF PTFE IWSl t ptfe...

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Page 146: ...PCS ILEt 9US PC 6 400306 ecD PRoa rcR CiO 00312 DISPLAY DRIVER RC6 400 301 1071 400330 P060 WUMM ls J fVACCS DfCflAl fO VC1 WMOtl Oi NJ CW UNinS OT W Sl JIAllD datron ELECTRONICS LTD l06 l0ri INTERCO...

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Page 150: ...REAR INPUT ratio IS FITTED CONNECT TO OF RATIO PCB TO Jll REAR PCb via signal CABLE 400572 WKEN CeAR INPut RATIO tS Fitted y connect to a G OF RATIO Pee Ou J s SCREEMS ALL CIRCUITRY ON TMIS SHEET B 5...

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Page 154: ...XT TCiai A A A oa tci JS 1 1 o V V AIK Jf lO Q r I n Jb i Kj bl COM jn 0 C 2 AIK Ol COM 5 ttELi AbG ISV H 5V Iftol ci p OV Ab 4 OP 6CL CLK VSV h IC GON xtrbsps VKYBRO _xCMOS CLK yxbSPi YKbSpj XKtTsPC...

Page 155: ...Beao w te Amo iusCEt ir iuto l WAV fcOCJCCT OMC EWO IM1 MOI TMt 0 O 4TP EAlOIMTO MOl S IIIOOiQOOOBil Rkvm xkt om jo tier Plvis A6 SHO V W BV AKCrW J 6fr J CkCvb C TiM lU l2 K4 lOKtWW aY thlAt Sb a LA...

Page 156: ...I W METRIC DIMENSIONS OECrLAL TO I PLACES I OECrLAt TO 1 PLACE WHOLE DIMENSIONS R nm UNLESS OTHERWISE STATED T2 GU L BURRS TO BE REMOVED 1 A LL CIRCUIT TO BE ON THE COMPOKJCMT sheet 3 SlbE OF PC B WH...

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Page 158: ...a DRAWN BX DATE gfe 5 78 dimensions in MILLIMETRES SCALE not to be scaled INCH DIMENyONi OtCrtAL TO 5 F CE5 OtO M TO I ftACES Z fttACnONM HTTUk CHMENSlOf OtCIM sl TO IVACtS I OeCMAl TO PLACE Z WHOLE E...

Page 159: ...IO 04 i 2 M Rju Jut U IVXJ1 ki iori i 1 a aAocoe t LuOTHB ab 55v iIon J F rTtD tk 1 2 10 aowM iix4 FifTto fo 35 GOaM VOuC fiTItOlO Vl N e All w ei biue TiOu To etiAV BLttvto 10mmION3 ftsRT H 5 OOCOl A...

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Page 161: ...0 3V4 CoeeuJT P C6 VIA 3K2 4 4 TU 5 eEAB PC a 3 5 3S I L H PC 6 1 T 5T J Q 3 e 1 1 0 yr l Ml lV oa nsun at 1U4MA ei J 0 l m r 1 jOC ui6 1iF 11 16 M 1 1 PA PlO co 1 eii ae O lTs eu i iaOO n4i t i Z 4 5...

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Page 165: ...PLACED WS 0 Of l TO I PLACfS QIO FBACrONAL I M O MEWSIONS MCWAl TO 1 PV C S t TO PL t 7T I WrIOU O f CNMONS 1 U ii on t v iT lAttO MATERIAL datron electronics ltd Norwich SCALE B NOT TO BE SCALED FIN...

Page 166: ...WITH BS 308 DRAWN CHECK B DIMENSIONS IN TOtIRANCES ANCUU OrtfNVONS DtCnAL TO J JAC 5 OtC L TO I flACES 1 010 fM CTVONAL MeraiC CMMENSONi OEOMAlTO aACESi 1 CSfCIMAJ TO 1 fVACE VWlOU DtMENiONi r UNaU OT...

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Page 169: ...THIRD ANGLE PROJECTION DRAWN IN ACCORDANCE WITH BS 308 o 0 0...

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Page 171: ...I MjiCii t V WCk um IO I ACI J vwoa 04MIHSIOHS iTAUO datrm ELECTRONICS LTD NORWICH U bySAwU Vi tC 2 i ftX 4 ICO SIC 5HEC7 S ife iurcT I SCO fir3 o T XT I BJ lO lftO SU SHC8T5 Set Sheets I _ I6 4 8 00...

Page 172: ...THIRD ANGLE PROJECTION DRAWN IN ACCORDANCE WITH BS 308 C V i K b...

Page 173: ...I...

Page 174: ...ELECTRONICS LTD NORVVk m MPu 4 memory circuit A1 430329...

Page 175: ...PROJECTION DRAWN IN ACCORDANCE WTHH BS 308 ALL BURRS TO BE REMOVED 74L8I56 o I BiA CONTINUeb ON ShCET I i OKXM 6 riACii MlACtKXAl HHHlC OMlNiONi datrm ELECTRONICS LTD lO l CMOS ADDRESS DECODE I O CIR...

Page 176: ...datron electronics ltd Norwich A1 1061 A O CONVERTLR OMWiNG No 430329 3 C...

Page 177: ..._ nJ T 1 1 I I 1 n 1...

Page 178: ...C i iocay Mil 4 7 liiS WPOAT4 Tafts ECO B1S 8SI I 4 4 74 iL 5 see SHEETS us 6 SEE Sheet 3 7 SEE SHEBT 3 8 set SHEE7 A ECO S36 1047 ECO IOA 4 10 Oli WAS JCT6 5 ME7 M44 WERE 14016 II 4 4 ao ECO iioa 11...

Page 179: ...lo wtMuta eco eSA J CLlPPORsJl WA 5 60600S I EC0 904 I 121 6 73 IL ECO ICCO 1025 riMoN CAAtA c i P WAS 6OS0OT I Bi2 VAS 2V TEST POINT TCftMINAl aioooT 5 Off a b 05 MG M7 OW 000 2 3 20 i ofVCViV VQ 0 X...

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Page 186: ...hown on SHt Tt 5Yo 4W CAR ON AILM A5S5M6LY JS i AOOiOS O ASSeMiCY J6 2 J4 I0 4 00512 0 0 _0 I F Ti F 20 55v DIPTANT t5V TP6 Y TO JG CENTRE PCt 4O025G u DRAWN II DATE II 2 80 CHKD A O DATE So APPD DATE...

Page 187: ...TES iMPOtTAMT oA c iw p p w iA r naow SROOOS Wo S OO0S oimNSaoNS IN Toiei Axas anculah NCm On NSONi DECmi TO Pk Cts OOi OJCriAt 10 J f ACt5 010 Ma LIHfTRtS flwaON I M I AI f Ht7 IC OmENSjONI D CH i10...

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Page 190: ...Cli oel AS PARTS LIST datrm ELECTRONICS LTD NORWICH issT lECOaSw Y S 7 X j pATO l iST Cyt66S I fCO OYI aY3 WSpC Ctl J tLS wic ITT S UU w WA4 VA ICll WAY TOA loiiwtY AA4T i J W IQ TO n I leainii BJ S I...

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Page 192: ...41 RJO C4 V 220C 6 R OcfF Qy L J4 An K8 DiMiNSIONS IN IOl N Si NCUL INCH D nlNS 0Nt wc i o j cn i otcn i lo nACd 010 MAtEflAL datrm ELECTRONICS LTD NORWICH OMWiNC Si2 A1 1 iCM t NOT TOBf SCAlEO HIIKiC...

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Page 195: ...Beao w te Amo iusCEt ir iuto l WAV fcOCJCCT OMC EWO IM1 MOI TMt 0 O 4TP EAlOIMTO MOl S IIIOOiQOOOBil Rkvm xkt om jo tier Plvis A6 SHO V W BV AKCrW J 6fr J CkCvb C TiM lU l2 K4 lOKtWW aY thlAt Sb a LA...

Page 196: ...Beao w te Amo iusCEt ir iuto l WAV fcOCJCCT OMC EWO IM1 MOI TMt 0 O 4TP EAlOIMTO MOl S IIIOOiQOOOBil Rkvm xkt om jo tier Plvis A6 SHO V W BV AKCrW J 6fr J CkCvb C TiM lU l2 K4 lOKtWW aY thlAt Sb a LA...

Page 197: ...Beao w te Amo iusCEt ir iuto l WAV fcOCJCCT OMC EWO IM1 MOI TMt 0 O 4TP EAlOIMTO MOl S IIIOOiQOOOBil Rkvm xkt om jo tier Plvis A6 SHO V W BV AKCrW J 6fr J CkCvb C TiM lU l2 K4 lOKtWW aY thlAt Sb a LA...

Page 198: ...D CpiMS JEPMINAI 90SO 7 FITTED AS SHOWN BRASS ar iF 220 LONG 6S0I07 N B S1SIP SHOULD Bt SOLOEFRD AS CLOSE AS POSSIBLE TO tf T HAND 5i6l OF ccope lAND AS SHOWN _ SMALL CIOVERIEAF TERMINAL 630001 5 Ml A...

Page 199: ...l 1 OftAWN DATE 7 7 U CHECKCO L O Cr DATE II 1 ti DATE _ iS T St DIMENSIONS IN I HLIIMETHE5 SCALt oiC UAi roTPiACft OCCIMAt TO 1 FLACI 1 WHOLE DIMENSIONS A MOTE I INCREASE C7J TO REDUCE READING AT MMi...

Page 200: ...PRECISION HALF WAVE RECTIFIER CSS 4p7P K9 c LOG AMPLIFIER 1061 62 AC option is...

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Page 202: ...fcxt 3 A6t 3HT I f COMMOH 5CHAU CO MOM AwAlOGUt OmMOH 1 1 r _ i j 1 1 l w INo fttt04C IS tlSV liV DIMENSIONS lA MIUIMETBE5 _ SCALE tQUAAWCIS DECIMAL TO LACCS IMM DECIMAL TO I LACI WMOll O MINSIONS j 4...

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