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Microdyne 1100-AR Series, Instruction Manual

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Microdyne 1100-AR Series Instruction Manual Download Page 169

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Summary of Contents for 1100-AR Series

Page 1: ...Courtesy of http BlackRadios terryo org...

Page 2: ...this infor mation covenants and agrees that he it will not nor will he it cause others to copy or reproduce said information either in whole or in part or manufacture produce sell or lease any product...

Page 3: ...and round the line filter the power trans former and the front panel Line voltage is present in the vicinity of the power connector J17 the Audio Gain Operate Mode switch on the front panel pins 1 3...

Page 4: ...4 from 30 iF to 800 pF 16V R13 from part of S2 to part of S3 Base Chassis paragraph 6 4 Add C14 800 pF 16V C15 0 33 uF 100V C16 0 33 iF 100V Change R13 from part pf S2 to part of S3 Replaceable Parts...

Page 5: ...itoring receiver status or manually reacquiring phaselock is reduced to an absolute minimum The receiver afc system may also be tailored to fit customer re rquirements with two types of afc circuits a...

Page 6: ...cial mounting procedures repair and alignment procedures parts lists and schematic diagrams The number of book lets contained in this section depends upon the module complement of the associated recei...

Page 7: ...w Second Mixer Second LO c x AM Detector Video Amplifier AGC Amplifier Metering Amplifier AFC Amplifier AFC Search Lock AFC Amplifier AFC only Calibration Reference Oscillator kHz Record Converter 10...

Page 8: ...c o r d C o n v e r t e r 1 4 1 2 5 D i s p l a y C o n v e r t e r 1 4 1 2 6 S p e c t r u m D i s p l a y U n i t 1 4 1 2 7 P r e d e t e c t i o n R e c o r d C o n v e r t e r 1 4 1 2 8 P r e d e...

Page 9: ...4 2 2 P r e d e t e c t i o n S i g n a l F l o w 4 3 4 2 4 P r e d e t e c t i o n R e c o r d C i r c u i t 4 3 4 2 6 P r e d e t e c t i o n P l a y b a c k C i r c u i t 4 7 4 3 2 C o n t r o l S...

Page 10: ...RT S L I S T 6 1 G e n e r a l 6 1 6 3 R e c e i v e r B a s e C h a s s i s 6 1 6 4 B a s e C h a s s i s 1 1 0 0 A R 5 6 4 6 5 F r o n t P a n e l S u b a s s e m b l y 6 6 6 6 V i d e o F i l t e...

Page 11: ...n t P a n e l S c h e m a t i c D i a g r a m 7 1 7 2 11 0 0 A R B a s e C h a s s i s S c h e m a t i c D i a g r a m E i g h t S h e e t s 7 3 7 3 V i d e o F i l t e r 1 5 6 a n d 7 S c h e m a t...

Page 12: ...1100 AR L 1 Figure 1 1 Model 1100 AR Telemetry Receiver Typical Configuration 1 1 I 1 1 0 Courtesy of http BlackRadios terryo org...

Page 13: ...tatus of certain re ceiver functions These lamps illuminate to provide visual indications of whether the re ceiver is in the receive playback or calibration operating mode whether there is a carrier p...

Page 14: ...unit include demodulation of a 90 PSK bi phase modulated signal at bit rates between 1 bit and 2 megabits NRZ It also is equipped with the anti sideband lock feature 1 1 11 SECOND IF FILTER AMPLIFIERS...

Page 15: ...through a front panel control 1 19 AGC AMPLIFIER The age amplifier contains three separate circuits an age ampli fier an age output amplifier and a carrier operated relay COR The age amplifier circuit...

Page 16: ...AR 5 The unit accepts any of the six standard video record carriers and up converts it to 10 MHz This signal is then patched to the 30 1100 10 to 50 MHz con verter and injected into the second mixer A...

Page 17: ...only 0 to 8V dc range CFO and auxiliary age outputs Unless otherwise specified the CFO sensitivity is to 100 kHz volt with a 2V p p maximum output The age output ranges from 0 to 8V dc the polarity ca...

Page 18: ...m display unit regulator A24 I Predetection record or playback converter A25 F Optional Table 1 2 Specifications ELECTRICAL Receiver Type Double superheterodyne 50 MHz first i f 10 MHz second i f Freq...

Page 19: ...acking Range Acquisition Range Drift Reduction Factor Search Range Search Rate PM Characteristics Control Range Switch selectable VFO XTAL crystal OFF external input 0 001 per degree Centigrade 0 005...

Page 20: ...andwidth 1 6 MHz maximum AM Distortion Less than 3 with 90 modulation at a 1 kHz rate AGC Time Constant Video Characteristics Output Impedance Rated Output Maximum Output Distortion Source Coupling Re...

Page 21: ...midity MECHANICAL Height Width Depth Weight 62 to 65 Centigrade 0 to 50 Centigrade To 50 000 feet To 15 000 feet To 95 relative humidity 5 7 32 inches 1100 AR 5 6 31 32 inches 1100 AR 19 inches 19 1 4...

Page 22: ...king case if the receiver is to be stored or transferred to another site 2 5 Prior to installing the receiver remove the bottom cover and insure that all modules are firmly secured in their receptacle...

Page 23: ...lot and return the PULL handle to its original position until the latch lock engages NOTE To install a demodulator into the receiver the demodulator must first be mated to the companion i f filter and...

Page 24: ...lene bag and seal c If the original polystyrene shipping case is available place the receiver into the case and seal with shipping tape If the original case is not available proceed as follows 1 Place...

Page 25: ...ut 24 AWG Pin 9 Spare 24 AWG Pin 10 Spare 24 AWG Pin 11 Pin 12 Spare Spare frS 24 AWG 24 AWG Pin 13 10V dc lock lOVdc unlocked fA 24 AWG Pin 14 Spare 24 AWG Pin 15 Spare 24 AWG Pin 16 Spare 24 AWG Pin...

Page 26: ...ed instead of internally generated second local oscillator signal J6 BNC 5 0 RG 223 U REF OSC OUT Monitor output of calibration J7 BNC 5 0 RG 223 U PRE D REC reference oscillator Output from record co...

Page 27: ...to receiver 115 230V ac 50 400 Hz J17 MS3102A10 SL 3P 18 3 AWG AUX ACC OUT Output from predetection playback or record converter A25 J18 BNC 50 RG 223 U AUX ACC IN Input to predetection playback or re...

Page 28: ...J J Ly POWER SWITCH 20407aO TO CRI LOW V 8O0 2 A STRAPPING 115 VAC INPUT 230 VAC FROM POWER SWITCH r o3 f 6 2 A 4 O o o TO CR2 HIGH V a TO CRI LOW V B STRAPPING 230VAC INPUT Figure 2 2 Power Transfor...

Page 29: ...g procedures for the auxiliary modules which plug into both the 5 and 7 inch versions are given in the applicable instruction manual or booklet supple menting this manual 3 3 CONTROLS AND INDICATORS 3...

Page 30: ...TE MODE switch is set to the corresponding position AUDIO GAIN RIO Used to adjust speaker level VIDEO SOURCE A22 S1 Employed to select either the a m de tector AM or plug in demodulator FM PM as the v...

Page 31: ...in rf tuner Selects the PM XTAL OFF VFO and AFC operating modes for the second local oscillator Selects the time constant for the automa tic gain control circuit to 0 1 1 10 100 or 1000 milliseconds U...

Page 32: ...of the receiver DEVIATION meter BAL control R I Balances the fm video for zero dc output with no input RF TUNER TUNING control Various Adjusts the rf tuner for receiving a spe cific frequency within i...

Page 33: ...te bandwidth adjustment r 3 5 OPERATING INSTRUCTIONS 3 6 The following paragraphs provide generalized operating instructions for a receiver equipped with an fm demodulator only For instructions pertai...

Page 34: ...the TUNING meter 2 Set the OPERATE MODE switch to ZERO and adjust the tuning meter ZERO control for a zero indication on the TUNING meter 1 Set the OPERATE MODE switch to the desired operating mode R...

Page 35: ...ioa uoo 3ND X 3NI3 s y Suy snfpB Aq paun st jo bt_tjoso Ibooj puooas aq apoui OXA a B ut pa BJado uaq apoui 03A q aa aui ONINHX oq no uoy Boypuy oaaz b Aq puB duiBi ONI HHVO oq jo UT q Ti aq Aq pa BO...

Page 36: ...manual and automatic The procedure for adjusting the receiver controls in each mode is given in paragraphs 3 20 and 3 21 and should be used in conjunction with the instructions given in paragraph 3 9...

Page 37: ...t the point at which the AUTO SEARCH lamp remains lit 9 Optimize the N BAL control setting by injecting a 1 mV cw test signal into the receiver at frequency within the range of the tuner and phase loc...

Page 38: ...BAND switch to OUT if supplied x b Set the demodulator LOOP BANDWIDTH Hz switch to 1000 Set the de modulator FINE TUNE control to 5 c Set the SEARCH switch to AUTO The LOOP LOCK lamp should light indi...

Page 39: ...control input to pin 8 of Jl The common lead of the remote panel or computer interface must be con nected to pin 1 of Jl e Refer to the tuner and i f filter amplifier instruction manuals for addi tion...

Page 40: ...E control if necessary h Disconnect all test equipment and connect the receiver for normal operation 3 28 TURN OFF PROCEDURE 3 29 To turn the receiver off set the OPERATE MODE switch to the OFF positi...

Page 41: ...e slaved together Selection of which local oscillator source is used is made through front panel switch SI The voltage controlled rf tuners have the additional capability of being tuned by an input fr...

Page 42: ...lity of being tuned by a remote or com p u t e r i n p u t 4 14 AGC circuits in each filter have a control range in excess of 60 dB to hold the 10 MHz output level to approximately 21 dBm Total gain o...

Page 43: ...the selected video filter and the video cou pling switch A22 S2 to the input of video amplifier at XA14 2 The input level to the ampli fier is set by front panel video gain control A22 R13 A more comp...

Page 44: ...a front panel selector switch Data bandwidths normally associated with each of the six carriers are also provided by the 1171 PR A Input to the converter can be supplied by either the linear or OPTION...

Page 45: ...Courtesy of http BlackRadios terryo org...

Page 46: ...is then coupled to the second mixer at XA6 A5 4 29 The second method of up conversion employs the 30 1100 and 1181 PP A up con verters Both of these assemblies can be mounted in the 1100 AR In the 11...

Page 47: ...the demodulator is amplified by Ul and applied to the second l o for frequency control The polarity and amplitude of the input are determined by the fre quency of the received i f in relation to the 1...

Page 48: ...M E T E R r COR IN j AM DETv I N ACQUISITION AMPLIFIER FET SWITCH INTEGRATOR T t AFC1 RAW A C r I M S t C IN FM i Figure 4 2B AFC with Se irch and Lock DEMODULATOR 4 37 AUTOMATIC PHASE CONTROL APC SYS...

Page 49: ...AAr MAN O AUTO S 4 A c o y As R S I E A 4 Q I AUTO MANO S4C RETRACE AMPLIFIER P O AFC AMP yxhr R S I D INTEGRATOR RAMP GEN A4Q2 A4Q3 TO 2ND LO TO TUNING METER I5V FINE TUNE l 5 V TO 2ND LO o o I Figur...

Page 50: ...he sweep center frequency 250 kHz from 60 MHz The sweep range is dependent on the loop bandwidth and varies 150 kHz on either side of the fine tune center frequency for the 1000 Hz bandwidth 30 kHz fo...

Page 51: ...IXER POLARITY _ x _ X 4 O r Q r o L 7 AGC OUTPUT AMPLIFIER SCALE A G C VvV RECORD OUTPUT o o 0 r 0 ZERO y CARRIER COR CONTACT CLOSURES COR THRESHOLD 60 dB CAL A V ZERO O N NOISE 6 6 AM DET I5V J o WAM...

Page 52: ...sitive position the nega tive age signal from the integrator is inverted to a positive signal and applied to rear apron output J12 When S4 is placed to the negative position the age signal is simply a...

Page 53: ...nt require ments when a signal display unit is installed The power supply is composed of the main supply circuitry mounted on the chassis and two plug in voltage regulators The voltage regulators like...

Page 54: ...than approx imately 0 7V to be dropped across the input resistors R1 R6 current limiter Ql is turned on With Ql turned on Q4 cuts off to return the output to its normal level The current limiter cuts...

Page 55: ...onton 202J Signal Generator HP608E Signal Generator HP606A or B Oscilloscope HP1200A Oscilloscope HP180A Vertical Amplifier HP1801A Horizontal Sweep HP1820A DC Voltmeter HP412A Univerter Boonton 207H...

Page 56: ...w As desired For receivers equipped with a calibrate reference oscillator make the following adjustments 1 Set the OPERATE MODE switch to CAL Adjust R22 on the video amplifier for 0 0V dc at J15 on re...

Page 57: ...s sym metrical about zero volts dc c For receivers without an afc system or calibrate reference oscillator set the OPERATE MODE switch to REC and proceed as follows 1 Remove the tuner and inject a 50...

Page 58: ...n Adjust the level of the modulation as necessary to obtain a carrier deviation equal to 30 of the second i f bandwidth If the DEVIATION meter indicates other than the correct deviation insure that th...

Page 59: ...th dB Bandwidth dB 10 kHz 40 750 kHz 58 30 kHz 44 1 0 MHz 60 50 kHz 47 1 5 MHz 62 100 kHz 5 0 2 0 MHz 6 3 300 kHz 54 3 3 MHz 64 500 kHz 5 7 6 0 MHz 68 Table 5 3 RF Tuner Noise Figure r s Tuner 1111 VT...

Page 60: ...signal and adjust the ZERO control for a zero indication on the SIGNAL LEVEL meter 2 Set the generator for an input signal 60 dB above noise this level is deter mined by 174 NF IF BW DB 60 dB Input l...

Page 61: ...ure insures the proper setting of the receiver age system and should be initiated after the repair and or replacement of the following modules a Second Mixer b AM Detector c Second IF Filter Amplifier...

Page 62: ...th the rf tuner to the receiver antenna input p Adjust the receiver and signal generator to tune in a signal in the mid range of the tuner I q Set the generator for a 7 dBm output and observe that the...

Page 63: ...uld be calibrated following the procedures given in paragraph 5 7 5 23 FM TESTS Install an fm demodulator into the receiver and set the front panel con trols as follows O P E R A T E M O D E R E C 1 S...

Page 64: ...es given in tables 5 2 and 5 3 174 IF BW dB NF 0 dB SNRIF where IF BW dB the i f bandwidth expressed in dB See table 5 2 NF maximum rf tuner noise figure See table 5 3 174 54 10 110 dB 1 4 Set the 1ST...

Page 65: ...nge of the 10 MHz i f signal into 500 000 The reduction should be greater than 5 000 7 Disconnect the test equipment 5 24 PM TESTS Install a pm demodulator into the receiver and set the front panel co...

Page 66: ...7 H O s c U l a t o r H P 6 5 1 B Spectrum Analyzer HP852A 8551A Distortion Analyzer HP334A 1 Connect the 202J to the 207H and adjust for an output of 50 MHz 2 Connect the HP651B to the fm input of th...

Page 67: ...ear apron outputs meter indications the effects that operating controls have and do not have etc 2 refer to the functional block diagram and other supporting block diagrams and schematics and determin...

Page 68: ...crews two on either side adjacent to the demodulator i f filter slot Remove the three Phillips screws on either side of the re ceiver chassis next to the front panel Pull the front panel away from the...

Page 69: ...using the braid and the flux f Position the component on the pc board g Solder in place and trim the leads h Clean the area with flux remover 5 37 ALIGNMENT 5 38 No alignment procedures can be direct...

Page 70: ...should be included when ordering spare or replacement parts 6 3 RECEIVER BASE CHASSIS See figure 7 2 Description Reference Designation CI Capacitor electrolytic 5200 if GE 86F147L C2 Capacitor electr...

Page 71: ...BWH R9 Resistor fixed composition lKft 5 iw AUen Bradley CB1025 R10 Potentiometer 25Kft Allen Bradley WA2L04S253UC Rll Potentiometer lOKft Allen Bradley WA2L04S103UC R12 Resistor fixed composition 2...

Page 72: ...DDMF 24W7S Connector Cannon DDMF 36W4S Connector Cannon DBMF 13W3S Connector Cinch 250 15 30 201 Not Assigned Connector Cinch 250 15 30 201 Connector Cinch 251 15 30 221 Connector Cinch 250 15 30 201...

Page 73: ...C10 thru Capacitor ceramic 30 iF 100V Sprague TE1411 C13 CR1 Rectifier bridge Semtech SCAJ1 CR2 Rectifier bridge Semtech SCAJ2 CR3 Rectifier bridge Semtech SCAJ2 F l F u s e 3 A G 7 5 A S L O B L O J...

Page 74: ...d composition 200Kft 5 l 2w Allen Bradley EB2045 Resistor fixed composition 200Kft 5 l 2w AUen Bradley EB2045 Not Assigned Not Assigned Potentiometer 50Kft Allen Bradley WA2L040S503UC Resistor fixed c...

Page 75: ...eholder Littelfuse 342004 XF2 Fuseholder Littelfuse 342004 6 5 FRONT PANEL SUBASSEMBLY Reference Designation DSl DS2 D S 3 D S 4 D S 5 Description Jl LSI Ml M2 M 3 M 4 Lamp amber Eldema CF03YTS2107 La...

Page 76: ...16 Resistor fixed composition 24Kft 5 iw Allen Bradley CB2435 R17 Resistor fixed composition 2 4Kft 5 iw Allen Bradley CB2425 R18 Resistor fixed composition 47Kft 5 iw Allen Bradley CB4735 S1 S2 Switc...

Page 77: ...100V Erie 8131 100 COG 681J C5 Capacitor ceramic 1800 pf 10 100V Erie 8121 100 W5R 182K i 1 1 CI Capacitor ceramic 6800 pf 10 100V Erie 8121 100 W5R 682K C2 Capacitor ceramic 1500 pf 10 100V Erie 8121...

Page 78: ...100V Erie 8121 100 W5R 122K C3 Capacitor ceramic 3300 pf 10 100V Erie 8121 100 W5R 332K C4 Capacitor ceramic 680 pf 5 100V Erie 8131 100 COG 681J C5 Capacitor ceramic 2200 pf 10 100V Erie 8121 100 W5...

Page 79: ...ic 2200 pf 10 100V Erie 8121 100 W5R 222K C6 Capacitor ceramic 470pf 10 100V Erie 8131 100 W5R 471K C7 Capacitor ceramic 1800 pf 10 100V Erie 8131 100 W5R 182K C8 Capacitor ceramic 390 pf 5 100V Erie...

Page 80: ...V Erie 8121 100 W5R 222K C6 Capacitor ceramic 470 pf 5 100V Erie 8131 100 COG 471J C7 Capacitor ceramic 1800 pf 10 100V Erie 8121 100 W5R 182K C8A Capacitor ceramic 390 pf 5 100V Erie 8121 100 COG 391...

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Page 90: ...0 pF 1200 pF 3300 pF Not Used 680 pF 2200 pF 470 pF 1800 pF 390 pF Not Used 1200 pF 270 pF 100 xH 33 iH 68 iH 18 iH 47 iH 1 5 i H 33 iH 10 iH 22 iH 6 8 i H 250 kHz 400 kHz 750 kHz 1000 kHz 1500 kHz 25...

Page 91: ...H a E n pqpHpLi CD Ph pH Ph Pm Ph K f fi a a a a a a a a a a n a a a a t o a a a a A 3 a a L t a o o o o o o o o o c o o o o c o o e N c o o o o o i C D O O O j O O O C T J O C 00 lO CO O CO 00 CO N...

Page 92: ...emet K2R2E20 C2 Cap 47 iF 20V Kemet K47E20 Q1 Q2 Motorola 2N2907 Q3 Motorola 2N2222 RI Res 1 2Q 2 2w IRC BWH R2 Res 1 5KJ2 5 lw AB GB1525 R3 Res IKS 5 jw AB CB1025 R4 Res 820fi 2 2w IRC BWH R5 Res 7 5...

Page 93: ...n pertaining to special purpose versions of the Model 1100 AR r Telemetry Receiver modified as necessary to meet a particular requirement Data is in cluded in this section only if the manual is suppli...

Page 94: ...nstruction booklets for the various internal plug in subassembly modules contained within the 1100 AR base chassis Booklets for modules contained in the receiver for which this manual is supplied are...

Page 95: ...nants and agrees that he it will not nor will he it cause others to copy or reproduce said information either in whole or in part or manufacture produce sell or lease any product copied from or essent...

Page 96: ...ing paragraphs The schematic diagrams for the regulators are shown in figures 2 and 3 The positive regulator shown in figure 2 consists of a 15V regulator circuit and a 6V regu lator circuit The 15V r...

Page 97: ...e a medium wattage soldering iron 45 watts and adequate heat sinks to prevent damage Avoid excessive heat and pressure on the pc board as this can cause irreparable damage The following voltage charts...

Page 98: ...nnect the voltmeter d Connect the HP180A oscilloscope to the 15 volt output and check the ripple it should be less than 2 mV If greater than 2 mV replace J T t r a n s i s t o r Q 3 e Disconnect the o...

Page 99: ...esistor fixed composition 330ft 5 Jw Allen Bradley CB3315 R12 Potentiometer variable 500ft 3 4w Beckman 77PR500 R13 Resistor fixed composition 910ft 5 Jw Allen Bradley CB9115 R14 Resistor fixed compos...

Page 100: ...Allen Bradley CB8215 R7 Resistor fixed composition 470ft 5 Jw Allen Bradley CB4715 R8 Resistor fixed composition 1 2Kft 5 1 2W Allen Bradley EB1225 R9 Potentiometer variable 500ft 3 4w Beckman 77PR500...

Page 101: ...a rH O H H C D o T3 C D O C D r H c d bC C D a C D rH O C Q j O oj S I C O h a S O 0 a r H r H c t J c Q O a o c c czz c r y c z t t t o C 3 C J o a Pi C D Pi O a a o O u o t C D O T o a C D rH bD rH...

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Page 104: ...odyne Corporation and therefore the user of this infor mation covenants and agrees that he it will not nor will he it cause others to copy or reproduce said information either in whole or in part or m...

Page 105: ...the wide band A schematic diagram of the amplifier circuit is shown in figure 2 The 50 MHz i f signal applied to Pl Al is coupled to grounded base amplifier Ql amplified and applied to filter FL1 whi...

Page 106: ...iF 20 100V Erie 8111 100 X5R 102M C10 Cll Capacitor ceramic 20 pF 5 100V Erie 8111 100 COG 200J C12 Capacitor ceramic 0 001 iF 20 100V Erie 8111 100 X5R 102M C13 Capacitor ceramic 47 pF 5 100V Erie 81...

Page 107: ...ee DM 53741 1 coaxial inserts Wl Cable Assembly Microdyne 201 855 10 W2 Cable Assembly Microdyne 201 855 5 W3 Cable Assembly Microdyne 201 855 6 W4 Cable Assembly Microdyne 201 856 6 Al Amplifier PC B...

Page 108: ...osition 510ft 5 Jw Allen Bradley CB5115 R4 Resistor fixed composition 1 2KB 5 Jw Allen Bradley CB1225 R5 Resistor fixed composition 510ft 5 Jw Allen Bradley CB5115 R6 Resistor fixed composition 10ft 5...

Page 109: ...3 L8 Inductor 0 47 iH Microdyne 100 303 Q l T r a n s i s t o r R C A 2 N 4 9 3 6 RI Resistor fixed composition 8 2KB 5 Jw Allen Bradley CB8225 R2 Resistor fixed composition 4 7KB 5 Jw Allen Bradley C...

Page 110: ...on on p i O I Oli Q w lA in Oli 3 j rH I u 4 o C D m be S t H 1 1 o a 0 r a 5 J a 7 6 0 a 0 0 Courtesy of http BlackRadios terryo org...

Page 111: ...etween the high gain ami low gain a m p l i fi e r s High Gain Low Gain 0 001 uf 5 1 pf 30 pf 24 pf 20 pf 120 pf 1 0 u H 5 6 u H 1 u l l 0 4 7 u H 3 9K 2 4K 1 2K 270 ohms C1 o oo I A O U T P U J i o c...

Page 112: ...and agrees that he it will not nor will he it cause others to copy or reproduce said information either in whole or in part or manufacture produce sell or lease any product copied from or essentially...

Page 113: ...receiver rear apron 4 Remove the receiver iirst i f iilter ii applicable 5 Connect the sweep generator to the oscilloscope 6 Connect the rf output of the sweep generator to the input side of C2 Set th...

Page 114: ...0 dB l dB 2 dB indication on the HP3406A 14 Set the receiver manual gain control for 5 0V age and adjust R26 for a 6 0 5 dB drop at A7 HP3406 15 Disconnect the test equipment 1 1 1 I 1 1 1 Add 2 Court...

Page 115: ...enants and agrees that he it will not nor will he it cause others to copy or reproduce said information either in whole or in part or manufacture produce sell or lease any product copied from or essen...

Page 116: ...through CI to the base of the input amplifier Ql The output circuit of Ql is tuned to 60 MHz by L3 C8 and C9 and couples the 60 MHz signal to the input of limiter Ul Here the signal is limited to a l...

Page 117: ...tive circuit is located the faulty compo nent should be detected and replaced The voltage chart in table 1 is provided to aid in fault isolation 1 Table 1 Voltage Chart Device 1 E 2 B 3 4 C 5 6 7 Q l...

Page 118: ...ust the vertical sensitivity of the oscillo scope for a reasonable response 6 Adjust L2 for a symmetrical response centered at 50 MHz 7 Set the receiver 2ND LO MODE switch to crystal XTAL operation 8...

Page 119: ...tor Capacitor Capacitor Capacitor Capacitor Capacitor Capacitor Capacitor Capacitor ceramic ceramic ceramic ceramic ceramic ceramic ceramic ceramic ceramic ceramic ceramic ceramic ceramic ceramic cera...

Page 120: ...on 1 6KB 5 Jw Allen Bradley CB1625 Resistor fixed composition 3KB 5 Jw Allen Bradley CB3025 Resistor fixed composition 510B 5 Jw Allen Bradley CB5115 Resistor fixed composition 510B 5 Jw Allen Bradley...

Page 121: ...tL 3 I C6 cF 7D L G ra L 7 O Ll D LI2 t U3 L I o c 2 r i C 2 f 2 7 21 esw 14 8 w E I S H 2 5 J UJ2 e i 7 j 24 f r T TOP S DE SOLDEB Figure 1 Component Location 1 I 1 i Courtesy of http BlackRadios ter...

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Page 123: ...nfor mation covenants and agrees that he it will not nor will he it cause others to copy or reproduce said information either in whole or in part or manufacture produce sell or lease any product copie...

Page 124: ...nstalled in various receiver chassis any special installation procedures are presented in the overall receiver instruction manual MAINTENANCE PREVENTIVE MAINTENANCE Preventive maintenance requirements...

Page 125: ...z g Adjust the frequency trimmer located on the end of the module if necessary to obtain the 60 MHz 200 Hz counter reading REPLACEMENT PARTS LIST The following replacement parts list provides the refe...

Page 126: ...0 2 6 6 1 L 5 I n d u c t o r v a r i a b l e M i c r o d y n e 2 0 2 6 6 0 L6 Inductor 5 6 uH 10 Jeffers 4435 1K P1A1 Coaxial Insert P O Wl Cannon RI Resistor fixed composition 180B 5 Jw Allen Bradle...

Page 127: ...101 342 8 H a o o k4 a o O C D U Courtesy of http BlackRadios terryo org...

Page 128: ...ll vOffl o o K Hi O K m m cm if l o o 4 f ii gi K M Mg wHi o AA V u o HHi si WV Ii s W V l i 0 u ul C Q U O T Tawarfz v noaiNOO 9 v 3 N n i 7 3 m d 1 2 vw HHi Hi 2 H H i 101 342 u o o ca O O b o H c...

Page 129: ...mation covenants and agrees that he it will not nor will he it cause others to copy or reproduce said information either in whole or in part or manufacture produce sell or lease any product copied fro...

Page 130: ...re connected in a Darlington configuration for emitter follower operation The 10 MHz carrier is coupled through CI to the first isolated transistor U1Q1 amplified and applied to the second isolated tr...

Page 131: ...tself for signs of damage and loose components Any defects noted during the inspection should be corrected at once TROUBLESHOOTING hi the event of a malfunction the trouble should first be isolated to...

Page 132: ...ipment Replace the second i f filter f InstaU the a m detector and recalibrate the parent unit as required REPLACEMENT PARTS LIST Reference Figure 1 The following replacement parts list provides the r...

Page 133: ...35 1K Inductor fixed 270 iH 5 Jeffers 1331 21J Inductor fixed 200 uH 5 Jeffers 1315 19J Inductor fixed 82 xH 5 Jeffers 1315 10J Transistor RCA 2N5189 R I Resistor fixed composition R2 Resistor fixed c...

Page 134: ...man 77PR5K composition 10KB 5 Jw Allen Bradley CB1035 composition 5 1KB 5 Jw Allen Bradley CB5125 composition 2KB 5 Jw Allen Bradley CB2025 composition 5 1KB 5 Jw Allen Bradley CB5125 composition 10KB...

Page 135: ...8w Allen Bradley BB1045 Resistor fixed composition 100KB 5 l 8w Allen Bradley BB1045 T l Transformer Microdyne 200 402 U l U2 U3 U4 Integrated Circuit RCA CA3018A Integrated Circuit RCA CA3018A Integr...

Page 136: ...o O S o I o o uot boot quauoduioo jopo oa HV I sanSTjj o o W IE a Wi 19 l Nld Q 3 a N l d n V L l 9 b V Lno u 3a i i njni9 c iv I Courtesy of http BlackRadios terryo org...

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Page 138: ...nants and agrees that he it will not nor will he it cause others to copy or reproduce said information either in whole or in part or manufacture produce sell or lease any product copied from or essent...

Page 139: ...vel amplification The video signal is directly coupled to the inverting input Ul 2 and amplified by a factor of 39 For optimum perform ance with a high frequency input pins 2 and 3 of Ul are frequency...

Page 140: ...t stage for proper operation A static dc voltage chart is shown below to assist in troubleshooting Table 1 Voltage Chart Device 1 2 3 4 5 6 7 U l Grd 0 0055 0 0015 3 5 1 8 0 26 0 1 U2 0 0 0 2 5 0 04 4...

Page 141: ...nd connect it to pfn 3 Observe that the voltmeter indicates a dc level of not more than 200 mV If greater than 200 mV recheck the adjustment of R22 If the problem cannot be corrected check and if nece...

Page 142: ...pF 5 100V Erie 8121 100 COG 131J Capacitor ceramic 0 01 iF 20 100V Erie 8121 100 X5V 103M Capacitor ceramic 470 pF 20 100V Erie 8111 100 X5R 471M Capacitor ceramic 0 01 iF 20 100V Erie 8121 100 X5V 10...

Page 143: ...0B 5 Jw Allen Bradley CB6215 R17 Resistor fixed composition 39KB 5 Jw Allen Bradley CB3935 R18 Resistor fixed composition 5IB 5 Jw Allen Bradley CB5105 R19 Resistor fixed composition 100B 5 Jw Allen B...

Page 144: ...nued Reference Designation U l U2 U3 Description Integrated circuit Fairchild uA702C Integrated circuit Fairchild uA702C Integrated circuit RCA CA3020 Figure 1 Video Amplifier Component Location i Cou...

Page 145: ...Courtesy of http BlackRadios terryo org...

Page 146: ...nts and agrees that he it will not nor will he it cause others to copy or reproduce said information either in whole or in part or manufacture produce sell or lease any product copied from or essentia...

Page 147: ...Q3 and age integrator U3 Q4 Q5 Gain control voltages originate in the a m detector and are processed by the age amplifier module to control the signal level at the rf tuner second mixer and the secon...

Page 148: ...ENANCE PREVENTIVE MAINTENANCE The only preventive maintenance requirement is a semiannual check of the module for loose components and corrosion Any discrepancies noted during the inspection should be...

Page 149: ...at extender pin N to 5 0 0 1 V DC using the MAN GAIN control Adjust the AGC RECORD SCALE on the rear apron for 10 0 0 1 V DC at extender pin R Check for proper circuit operation using Voltage Chart 2...

Page 150: ...ard be returned to the Microdyne Corporation REPLACEABLE PARTS LIST Reference Figure 1 Description Reference Designation CI Capacitor tantalum 47 iF 10 35V Union Carbide T362D476K035AS C2 Capacitor ta...

Page 151: ...35 Allen Bradley CB7525 Allen Bradley CB3635 Allen Bradley CB7525 Jw Allen Bradley CB5135 Jw Jw Jw Jw fixed composition 8 2KB 5 Jw Allen Bradley CB8225 Allen Bradley CB1835 Allen Bradley CB1035 Jw fix...

Page 152: ...Resistor fixed composition 560B 5 l 2w Allen Bradley EB5615 R39 Resistor fixed composition 30B 5 Jw Allen Bradley CB3005 R40 Resistor fixed composition 30B 5 Jw Allen Bradley CB3005 R41 Resistor fixed...

Page 153: ...101 938 Figure 1 Component Location Drawing 7 8 Courtesy of http BlackRadios terryo org...

Page 154: ...Courtesy of http BlackRadios terryo org...

Page 155: ...ation covenants and agrees that he it will not nor will he it cause others to copy or reproduce said information either in whole or in part or manufacture produce sell or lease any product copied from...

Page 156: ...rom a video amplifier rectify it and apply it to the front panel output level meter thirdly they act as a thermistor bridge amplifier and current source driver for the crystal oven in the parent unit...

Page 157: ...ircuit will be indicated by the rf tuner crystal oven not heating Once the defective circuit has been located the faulty component should be detected and replaced Refer to figure 1 for component locat...

Page 158: ...TS LIST Reference Figure 1 Reference _ D e s c r i p t i o n D e s i g n a t i o n c CI Capacitor ceramic 0 015 iF 20 100V Erie 8131 100 X5U 153M C2 Capacitor tantalum 100 iF 20 20V Kemet T362D107M020...

Page 159: ...Allen Bradley CB5115 10KB 1 IRC RN55D1002F 10KB 1 IRC RN55D1002F composition 820B 5 Jw Allen Bradley CB8215 5 1KB 1 IRC RN55D5111F composition 27KB 5 Jw Allen Bradley CB2735 composition 680B 5 Jw All...

Page 160: ...Bradley CB1015 Resistor fixed composition 10KB 5 Jw Allen Bradley CB1035 Resistor fixed composition 2MB 5 Jw Allen Bradley CB2055 Ul U2 Integrated circuit Fairchild iA702C Integrated circuit RCA CA301...

Page 161: ...Courtesy of http BlackRadios terryo org...

Page 162: ...nts and agrees that he it will not nor will he it cause others to copy or reproduce said information either in whole or in part or manufacture produce sell or lease any product copied from or essentia...

Page 163: ...on cou pling the afc ape input from the demodulator to integrator U3 U3 functions as an infinite gain stage to couple the afc apc control voltage from the demodu lator to the second local oscillator...

Page 164: ...emiannual check of the connector for corrosion and loose pins and the module itself for signs of damage and loose components Any discrepancies should be corrected by component replacement or mod ule s...

Page 165: ...O MODE switches set to VFO for an fm demodulator or to XTAL for a phase demodulator With the receiver tuned 10 000 MHz i f output measured at the receiver 10 MHz linear output connector the voltage at...

Page 166: ...le d Adjust R30 on the afc module for 0 0 5 mV dc voltmeter reading e Set the 2ND LO MODE switch on the parent unit to the AFC position f Connect the HP180A oscilloscope to pin 11 Set the SEARCH RANGE...

Page 167: ...8121 100 COGO 15U if U3 is Zeltex 133 or Capacitor ceramic 47 pF 5 100V Erie 8121 100 COGO 470J if U3 is Nexus QFT 2 or Capacitor ceramic 47 pF 5 100V Erie 8121 100 COGO 470J if U3 is Analog Devices 4...

Page 168: ...omposition 10KB 5 Jw Allen Bradley CB1035 composition 750KB 5 Jw Allen Bradley CB7545 composition 1 5KB 5 Jw Allen Bradley CB1525 composition 20KB 5 Jw Allen Bradley CB2035 composition 100KB 5 Jw Alle...

Page 169: ...300 078 TO P S I D E S O L D E E OM CI ECU IT S kE Figure 1 AFC Amplifier Component Location 7 8 Courtesy of http BlackRadios terryo org...

Page 170: ...Courtesy of http BlackRadios terryo org...

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