Harris GATES FM-20H3 Technical Manual Download Page 26

Page: 26 / 132

Summary of Contents for GATES FM-20H3

Page 1: ...2St1111t M1 MU HARRIS 1 NTE RTYPE CORPORATION FM 20H3 20KW FM TRANSMITTER FOR 994 6746 105 FM 40H3 FM TRANSMITTER OATES A DIVISION OF HARRIS INTERTYPE...

Page 2: ...prior written consent of Seller EXCEPT AS SET FORTH HEREIN AND EXCEPT AS TO TITLE THERE ARE NO WARRANTIES OR ANY AFFIRMATIONS OF FACT OR PROMISES BY SELLER WITH REFERENCE TO THE EQUIPMENT OR TO MERCHA...

Page 3: ...cuitry wires 30 and 170 The high voltage control circuitry of each transmitter has been rewired as shown on drawing 838 9522 001 The following items have been added to each transmitter s high voltage...

Page 4: ...of contacts Status lights have been installed in each transmitter however the LOCKOUT light circuitry has been re wired per the drawing 838 9522 001 PARTS LIST DSIO DS11 406 0388 000 Pilot light K10 5...

Page 5: ...INSTRUCTIONS FOR INSTALLING AND OPERATION OF GATES FM 20113 20KW FM TRANSMITTER IB 888 1071 001 Gatos Radio Company Quincy I11inoi s...

Page 6: ...ection 7 2 6 Cooling 8 SECTION 3 OPERATION 3 1 Pre Operation 9 5 2 Test Data 9 3 3 Adjustment 9 3 4 Maiiitenanc e I2 SECTION 4 CIRCUIT DESCRIPTION 4 1 Power Amplifier 13 4 2 IPA 13 4 3 Exciter 13 4 4...

Page 7: ...ront View Back View Power Supply DRAWINGS Installation Details 838 1991 001 Block Diagram 814 6640 001 P A Efficiency Curve 814 9941 001 Low Pass Filter 814 8576 001 2nd Harmonic Filter 814 8554 001 O...

Page 8: ...ke adjustments inside equipment with any voltages ON While your Gates transmitter is fully interlocked you should not rely on the interlock switches for removing high operating voltages It is always b...

Page 9: ...vided by four meters located on the meter panel above the front doors The following controls are also located on the meter panel a Filament ON b Filament OFF c Plate ON d Plate OFF e Filament Voltage...

Page 10: ...Dissipation Maximum Blower Air Flow Size 10 to 20 kW 88 1 to 107 9 MHz 50 Ohms Standard BIA 3 1 8 flange 1 7 1 80 dB 001 100 kHz 600 Ohms 10 dBm 2 dB 1 dB 30 15 000 Hz 1 or less 30 15 000 Hz 65 dB be...

Page 11: ...nically bolted together All tie do rns or blocking used for shi onin_e purposes should be removed A good overall visual inspection may save time and trouble in placing the transmitter into operating c...

Page 12: ...smitter 122 TB7 1 TB8 1 Gnd TB7 2 TB8 2 123 T137 3 TIl8 3 124 TIl7 TB8 4 125 TB7 5 TB8 5 126 T i TB8 6 Coax E5 E4 Coax Shield Gnd Stud Gnd Stud l AWG wire 3 pieces K5 T4 primary Appropriate primary ta...

Page 13: ...itry for possible shorts or loose con nections DO NOT RE POSITION ANY STRAPS OR BUSS WIRES SINCE TH1 Y ARE AN INTRICATE PART OF THE EL O 23ICAL DESIGN The transmitter may or may not have two connectin...

Page 14: ...verload relays ill and K12 Remove the reservoir cup and fill according to the direc tions on the oil container The 115 V 60 Hz single phase a c input also enters the transmitter in the right hand corn...

Page 15: ...for the 4CX15 000A is 15 000 W 850 BTU minute however nominal plate dissipation will be around 6 000 W 342 BTU minute Duct work to the top of the PA enclosure air outlet if installed should not cause...

Page 16: ...h S19 in the high voltage power supply cabinet to the 4500 V d c position Primary power may now be the Filament ON button should light Put the Filament Voltage the IPA Filament control meter applied t...

Page 17: ...eading k The Power Output meter is the farthest meter on the right on the meter panel Its function is determined by the For Pwr VSWR Cal VSWR switch You may read 1 For Pwr Forward Power 2 VSWR Cal VSW...

Page 18: ...r maximum power output and the most efficient operation If the VSWR of the transmission line is satisfactory refer to the test data sheets for operating condition you may expect Since the transmitter...

Page 19: ...nt clean All contactors and relays should be inspected regularly for pitting and dirt The contacts should be burnished and cleaned if required The cverlond relays are telephone type with sealed contac...

Page 20: ...the Fib band and approximately 6 MHz at the higher end of the band The large variable portion may not be used below 95 i iz Output coupling is accomplished by capacity tuning a coaxial coupler The co...

Page 21: ...oltage to the IPA filament transformer bias supply fans and K2 K2 Blower contactor applies voltage to the blower K3 Auxiliary relay applies holding voltage to the Step Start Gnt actor K4 K4 Step Start...

Page 22: ...nterlock plunger switches must be closed to turn ON the high voltage Overload switches which must be closed to turn ON the high voltage They are part of Kll and K12 310 Air Pressure switch will close...

Page 23: ...Output meter will indicate power output or VSWR on the transmission line The meter is associated with the directional coupler DC1 The For Pwr VSWR Cal VSWR switch S16 determine which function will be...

Page 24: ...ring controlled by R11 TB6 12 Power Raise Lower common TB6 13 RF Power Output metering controlled by R6 TB6 14 Circuit return for RF Power Output metering 5 2 Stereophonic Operation Provision has been...

Page 25: ...OFF determine the impellor rotation as it slows to a stop The rotation should be clock wise as viewed at the blower air inlet A pair of the 3 phase Lines to the blower may be changed to obtain the cor...

Page 26: ...hould be made on the tightness of the Allen set screws at the adjustment end of the second harmonic trap There are two set screws that secure the short to the center conductor If these become loose fo...

Page 27: ...187 25 to 191 50 191 75 10 193 25 to 197 50 197 75 11 199 25 to 203 50 203 75 12 205 25 to 209 50 209 75 13 211 25 to 215 50 215 75 The frequency range for commercial FM broadcasting is 92 1 Mc to 107...

Page 28: ...vice men s association to say I told you so it is difficult harmonics if the equipment is built to suppress the harmonics and it is 4 In many instances interference may be caused by overloading on the...

Page 29: ...t Motor for B1 Tuning Motor 1 r min Motor 1500 RPM 115 V 60 Hz Same as B3 Cap 01 uF 1 kV Neutralizing Cap Plate Cap Variable Vacuum 10 100 pF 15 kV Cap 500 pF 30 kV Cap 500 pF 5 kV Same as C8 Same as...

Page 30: ...l...

Page 31: ...051 Same as 051 Same as C51 Cap Part of Tube Socket XV2 Cap Part of Tube Socket XV3 Cap 01 uF 1 kV Not Used Not Used Cap 4300 pF 15 kV Same as 060 Same as C60 Same as C60 Same as C60 Same as 060 Same...

Page 32: ...o 3...

Page 33: ...Contactor 3 pole 208 220 V 50 60 Hz Replacement Coil for K2 Replacement Contact Kit fur Single Pole of K2 Relay DPDT 110 V 60 Hz Replacement Coil for K3 Replacement Contact for K3 Upper stationary Re...

Page 34: ...3...

Page 35: ...L13 Same as L4 Same as L4 Filament Voltage Meter 0 10 V a c Plate Current Peter 0 5 A d c Plate Voltage Meter 0 10 kV R F Output Meter Qower VSWR Multimeter PA Screen Current Meter 0 200 mA d c Elapse...

Page 36: ...3 o...

Page 37: ...6 540 0162 000 Resistor 47 Ohm 1 2 W 10 R57 540 0580 000 Resistor 51 Ohm 2 W 5 R58 540 0833 000 Resistor 100 Ohm 25 W R59 542 0081 000 Resistor 2K Obm 10 W R60 542 0145 000 Resistor 10K Ohm 20 W R61 S...

Page 38: ......

Page 39: ...000 Description Filament Transformer Filament Transformer Bias Transformer Plate Transformer 9000 V d c Plate Transformer 2000 V c c Not Used Terminal Board Terminal Board Not Used Terminal Board Term...

Page 40: ...i f t glks...

Page 41: ...0054 000 Cap 001 uF 1 kV C3 Same as C2 CR1 CR2 J1 R1 R2 R3 R4 R5 R6 R7 TB1 384 0195 000 612 0237 000 540 0594 000 550 0067 000 540 0070 000 614 0069 000 Diode 1N914 Same as CR1 Receptacle BNC Res 200...

Page 42: ...o o...

Page 43: ...y insulated Plate Line L2A Coupling flexible 8 KV Output Load 12B Coupling flexible 4 KV Rheostat R43 RLM and Variable Cap C24 C32 Coupling Rigid Tuning Motor B2 Drive Right Angle Neutralizing C5 Driv...

Page 44: ...o...

Page 45: ...Gates Stock Yo Description Usage 6 426 0040 000 Isogrommets Blower Mtg B1 6 424 0082 000 Washers for Isogromnets Blower Mtg Bi 1 837 9734 001 Support Mykroy Plate Line L2 1 838 3893 001 Support Teflo...

Page 46: ...M 6 m R 42 R22 TE 3 C 6 L 2B...

Page 47: ...58 C 24 C 67 V2 V3 T1 S6 K10 R50 M4845 K4 K5 B1 R48 R49 F3 F4 F5 B3 S1 S2 53 S4 517 516 R5 R22 M5 M6 518 R45 R40 R41 1351 D5 7 R42 515 4k _ 513 514 K3 R43 R44 B2 K9 CR2 CR3 K6 K7 C37 K8 K1 M7 Z4 Z9 T5...

Page 48: ...B 4 E 4...

Page 49: ...IEW BASE 9O 3 9 EIA FLANGE TRANSMITTER CABINET AUDI INPUT 116 DIA RF T SECTION A A 194 240V 30 TO PWR SUPPLY CAB 2 2 DIA gI 516F2 AIR INLET T 7T B _E 1 TO Tb AR _I IITTEh I DIA I10 E IN BASE 3 1 4 29...

Page 50: ...V3 iFA 4CX25UB GRID SCREEN PLATE 4 A TO j1 71 110 i TO t 11OV 300V GRID BIAS SUPPLY RE OUTPUT RF 2kV 125 TO 450V 2kV POWER SUPPLY V1 PA 4CX15000A GRID SCREEN PLATE 500 TO 1500V 4 5kV 9kV 9k JrEr L 1...

Page 51: ...TRi NSMITTERS FACTORY TEST DATA FOR THE EFFICIENCY FACTOR DETERMINED ON FINAL TEST REDRAI N REV I SED 2 14 72 REVISED 11 12 71 REVISED 1 15 70 GATES RADIO C0 PANY QUINCCY ILLINOIS A DIVISION Of NAT R...

Page 52: ...r_ IL _I riL i L r L ra_ _ Lt r I 1 1 F 1 r F 1 i r s _ j 1 i r i r E r f r 9 r 1 L__J r ra g L g EQUIVALENT CIRCUIT LOW PASS FILTER 3 1 8 TRANSMISSION LINE OVERALL LENGTH 72 113 LOW PASS FILTER FM TR...

Page 53: ...ADJUSTABLE SHORTING SLEEVE AT FREQUENCIES BELOW RESONANCE THE STUB APPEARS AS AN INDUCTANCE AT FREQUENCIES ABOVE RESO ACE THE STUB APPEARS AS A CAPACITY AT THE SECOND HARMONIC FREQUENCY THE STUB APPE...

Page 54: ...of making 218 and 171 diameter holes in 020 copper strap for the new L8 strap Metal shears For frequencies 95 3 MHZ and above to cut 020 copper strap Propane torch and soft solder Not needed it the n...

Page 55: ...0 055 1 copper strap 1 00 wide 1 ft 003 4010 055 1 copper strap 1 25 wide 1 ft 003 4010 045 2 copper strap 1 3375 wide 1 ft 003 4010 045 2 copper strap strap width Plate Line extension 91 5 3837 002...

Page 56: ...tection The chart below lists the position of the end slugs measured from the end of the center conductor receivers to the closest edge of the end slugs Note the difference between the Input and Outpu...

Page 57: ...ut not soldered to the grid lug as this end will have to be moved through the lug in the tune up process If you are changing the transmitter to a higher frequency L7 may simply be shortened rather tha...

Page 58: ...za ion In general the PA grid current increases as the flag is brought nearer to the tube RF output will generally increase until the grid is saturated at which point pcwer output would decrease Howev...

Page 59: ...ce from the bottom of the tine PA plate the PA enclosure bottom is II inches TyPIG1L A3ADINOs for 20kx IPA Cathode Current PA Filament Voltage PA Grid Current IPA Screen PA Screen I PA Plate Current P...

Page 60: ...resistors R63 and R64 along L7 to get minimum reflected power to the exciter This will probably require a lot of trial and error to get a feel for this adjustment and to get it right Throughout this a...

Page 61: ...rol for a dip in the PA Plate Current meter as well as a peak reading on the Output Power meter If the Plate current does not d p within the range of the control it will be necessary to adjust the pos...

Page 62: ...I f IA TIRO 2 T83 5 ROB PA AS pbM R30 i64 tl_ T77 0164 B 74 TIRO 3 99 PA OUTPUT LOADING R58 7 I B EIA FLANGE LOA PA PIA E TUNING 1 28 1n 50041 CI I 91 II M 4701111 I 111 1 710 710 1N914 I L M4BA5 L3 L...

Page 63: ...TECHNICAL MANUAL HARRIS INTERTYPE CORPORATION TE 3 SOLID STATESMAN FM EXCITER ATES...

Page 64: ...L_ _ o C...

Page 65: ...TE 3 SOLID STATESMAN FM EXCITER i...

Page 66: ...ANUAL TE 3 FM EXCITER INTRODUCTION This Technical Manual provides the necessary information for the application installation operation adjustment and maintenance of the TE 3 Exciter Price 15 00 888 10...

Page 67: ...TAILS 2 1 2 5 POWER REQUIREMENTS CONNECTION 2 1 2 6 RF OUTPUT CONNECTION 2 2 2 7 ADDITIONAL CONNECTIONS 2 2 Fig 2 1 Rear View 2 3 3 OPERATION AND ADJUSTMENT 3 1 3 1 FRONT PANEL CONTROLS 3 1 Table 3 1...

Page 68: ...5 8 POWER AMPLIFIER TUNING 5 2 5 9 AUDIO UNIT ALIGNMENT 5 2 5 10 STEREO GENERATOR ALIGNMENT 5 3 5 11 SUB CARRIER GENERATOR SETTING 5 3 6 PARTS LIST 6 1 6 1 CHASSIS 6 1 6 2 POWER SUPPLY 6 1 6 3 10 W P...

Page 69: ...xciter is 10 to 15 watts 1 2 OPTIONAL EQUIPMENT The TE 3 exciter has provisions for three optional plug in modules two SCA Generators and one Stereo Generator Figure 1 1 shows the TE 3 with Stereo Gen...

Page 70: ...equency Response Left and Right Standard 75 microsecond FCC pre emphasis curve 1 dB 50 15 000 Hz Distortion Left and Right 1 or less 50 15 000 Hz FM Noise Left and Right 60 dB minimum below 100 modula...

Page 71: ...ed 55 dB minimum ref 100 modulation 400 Hz Crosstalk Sub channel to main channel and stereophonic sub channel Crosstalk Main channel to sub channel 60 dB or better 50 dB below 100 modulation ref 400 H...

Page 72: ...POWER SUPPLY SCA GENERATOR OPTIONAL 1 4 STEREO GENERATOR OPTIONAL SPACE FOR 2ND SCA GENERATOR OPTIONAL FRONT VIEW FIG 1 1 AFC MODULE POWER AMPLIFIER AUDIO MODULE MODULATED OSCILLATOR...

Page 73: ...L R GAIN TP3 24 V OUTPUT LEVEL PILOT GAIN PILOT PHASE RF IN COMPOSITE PILOT OFF FRONT VIEW FIG 1 2 ALARM LIGHT MULTIMETER AFC ADJUST AFC ON OFF SWTICH 1 5...

Page 74: ...LEVEL ADJUST Y F2 24 V DC FUSE F3 115VAC FUSE r M TJ2 GROUND Fl NOT USED TJ3 PI LOT POWER ON INDICATOR LIGHT OFF ON SWITCH TJ1 OUTPUT FRONT VIEW FIG 1 3 RF DRIVE ADJUST RF INPUT FREQUENCY ADJUST METE...

Page 75: ...fier Module 992 1715 001 Technical Manual 888 1042 001 Optional SCA Generator 1 or 2 Modules s 994 6507 001 Stereo Generator Module 994 6533 001 7 1 MECHANICAL DETAILS The modular design assures easy...

Page 76: ...58A U 2 7 ADDITIONAL CONNECTIONS See Fig 2 1 Additonal connections are located on the terminal board TB1 on the rear of the exciter They are as follows 1 2 3 Left Audio Input 2 is shield 4 5 6 Right A...

Page 77: ...I1S2 I1I1I11tt 1111 1 1111 111 1111 111 1111111111111 1111111111111 11 111111111 O 1111111111 S 11 111 11111 11111 111111 11111 111111 11111 11 111 1 1 t 1 1 11 l 1 11 1 111 11 11 1 11 1 1 111111 111...

Page 78: ...cillator R29 Knob controlled Pot AFC Adjust Audio Unit Toggle Switch STEREO MONO REMOTE SELECT AFC Unit 51 Toggle Switch AFC ON OFF R48 Potentiometer FREQ ADJUST M1 DC Microammeter Indicates indexed f...

Page 79: ...panel control AFC ADJUSTMENT is a vernier frequency adjust ment Two additional factory adjustments coarse frequency adjustment L3 and the modulator bias adjustment R6 are located on the shock mounted...

Page 80: ...that the ALARM lamp illuminates and the meter returns to mid scale Rotate the AFC ADJUSTMENT clockwise until the ALARM lamp is extinguished Set the AFC ADJUSTMENT for a reading between 29 and 31 on th...

Page 81: ...er a temperature range of 20 to 70 C The output volt ages will remain constant as the line voltage is varied from 85 to 115 of normal 117 volt AC supply Normal load variations will cause no voltage ch...

Page 82: ...nected through the relay to the input terminals of the modulated oscillator When S1 is placed in the MONO position audio input signals connected to the left audio input again pass through a 19 kHz not...

Page 83: ...connected to the oscillator tank circuit and are biased to the linear region by resistor R6 the Modulator Bias control See Fig 4 3 Modulation from the audio unit or SCA generators or stereo generator...

Page 84: ...nctions and a front panel switch disables the AFC unit during initial tune up and in case of malfunction Exact center frequency adjustment is assured by a vernier frequency control 4 6 1 REFERENCE OSC...

Page 85: ...connected to the oscillator tank circuit and are biased to the linear region by resistor R6 the Modulator Bias control See Fig 4 3 Modulation from the audio unit or SCA generators or stereo generator...

Page 86: ...nctions and a front panel switch disables the AFC unit during initial tune up and in case of malfunction Exact center frequency adjustment is assured by a vernier frequency control 4 6 1 REFERENCE OSC...

Page 87: ...cillator frequency dividers is also a square wave This signal is differentiated by capacitor C9 and resistor R5 to form a sharp pulse The pulse is used to set the flip flop Z10 NOTE If the frequencies...

Page 88: ...normal output of the phase detector is removed by the filtering action of R27 R28 C20 and C21 NOTE The frequency response of the amplifier is such that it will not respond to all signals outside the...

Page 89: ...monics NOTE Crosstalk null control R33 cancels any remaining cross talk 4 8 SUB CARRIER GENERATOR The sub carrier generator generates the sub carrier frequencies 41 or 67 kHz by utilizing two self exc...

Page 90: ...When audio input is removed Q6 and Q7 conduct causing the impedance from the junction of C17 and C18 to chassis ground to drop to a few ohms This causes the sub carrier output to be attenuated approxi...

Page 91: ...INTERNAL VIEW POWER SUPPLY FIG 4 1 CR6 4 9...

Page 92: ...T2 4 10 C22 POWER AMPLIFIER FIG 4 2 RF OUTPUT J12...

Page 93: ...CR8 INTERNAL VIEW MODULATED OSCILLATOR FIG 4 3 4 11...

Page 94: ...R38 Z9 INTERNAL VIEW OVEN COVER REMOVED AFC UNIT FIG 4 4 4 12 C27 Z2 Z5 7 1...

Page 95: ...K1 C9 R3 C2 R2 T1 R1 C3 L2 INTERNAL VIEW AUDIO UNIT FIG 4 5 T2 L4 R11 R18 R17 1 4 13...

Page 96: ...I3 4 14 CR 1 INTERNAL VIEW STEREO GENERATOR FIG 4 6 Q7 Q13 Q14 R 20 Q10 R 33 L1 L3 Q9 C22...

Page 97: ...8 C21 Q7 C19 C22 C13 CR Q6 C 2 R30 CR3 S1 CR4 1 44sse y F 1 3 05 O I V 3 wy n a7cM Ob 1 C27 p w C i 117 _ ao C I t lK N ir 1 co_ i g 3 Is 11 01 INTERNAL VIEW SCA GENERATOR FIG 4 7 L3 T1 C2 C1 R 32 Q5...

Page 98: ......

Page 99: ...frequency Check the output level of the modulated oscillator as read on the AFC meter If the modulated oscillator is functioning properly and is providing power out put to the 10 watt amplifier trace...

Page 100: ...e pilot phase 5 5 POWER AMPLIFIER TUNING All internal adjustments are tuned for maximum power output R11 the input DRIVE control on the front panel is then set for the desired power output 5 9 AUDIO U...

Page 101: ...is adjusted to modulate the main carrier 10 The pilot phase control R24 is adjusted for best separation as read on a stereo monitor 5 11 SUB CARRIER GENERATOR SETTING See Fig 4 7 The first SCA generat...

Page 102: ...0 Hz to the proper SCA input terminals of the exciter and modulate the sub carrier 100 Reduce the level of the audio input 30 or 40 dB and adjust R32 so the sub carrier output disappears NOTE S 1 the...

Page 103: ...Al Lamp 3W 120 V 396 0163 000 CR1 thru Diode 1N2070 384 0019 000 CR4 CR5 Zener Diode 386 0189 000 1 N 4061 Cl Cap 200 uF 250 V 524 0125 000 C2 Same as Cl CR6 thru Diode 1N4720 384 0165 000 CR9 C3 Cap...

Page 104: ...ms 25 W Res 1 K ohm 3 W 1 Res 68 ohms 2 W 5 Not Used in Power Supply 540 0284 000 540 0574 000 548 0189 000 552 0775 000 548 0190 000 542 0438 000 548 0192 000 540 0583 000 R11A Res 510 ohms 540 0042...

Page 105: ...r C25 Same as C1 CR1 Diode 1N914 384 0134 000 FL1 Filter 484 0065 000 thru FL2 J1 Not Used in Power Amplifier J2 Panel Connector 610 0419 000 J3 Receptacle Panel 620 0355 000 thru Male 50 ohms J4 J5 N...

Page 106: ...13 Res 4 7 K ohms 540 0065 000 1W5 R14 Res 47 K ohms 540 0089 000 W 5 6 4 AUDIO UNIT SYMBOL DESCRIPTION GATES PART NO SYMBOL DESCRIPTION GATES PART NO Cl Cap 025 uF 508 0308 000 K1 Relay 572 0134 000...

Page 107: ...O SYMBOL DESCRIPTION GATES PART NO Cl Cap 100 uF 25 V 522 0246 000 C1OB Cap 47 pF 500 V 500 0817 000 98 108 MHz C2 Cap 001 uF 1 kV 516 0054 000 C10C Cap 68 pF 500 V 500 0821 000 C3 Same as C2 88 98 MH...

Page 108: ...uctor Variable 492 0366 000 L4 Inductor 47 uH 494 0230 000 L5 Same as L1 L6 Inductor 1 uH 494 0229 000 6 6 01 Transistor 380 0114 000 2N5109 02 Same as 01 03 Transistor 380 0049 000 2N3053 R1 Not Used...

Page 109: ...220 pF 500 V 500 0754 000 C26 Same as C7 C2 thru Cap 001 uF 1 kV 516 0054 000 C27 Cap Variable 2 5 to 11 pF 518 0047 000 C6 C28 Cap 120 pF 500 V 500 0826 000 C7 Cap 05 uF 100 V 516 0435 000 029 Same...

Page 110: ...6 000 2N 3740 R1 Res 82 ohms 540 0886 000 aW5 R2 Res 100 ohms 540 0888 000 W 5 6 8 R3 R4 R5 Res 470 ohms 4W5 Res 2 2 K ohm aW5 Res 10 K ohm 4 W 5 R6 Res 1 5 K ohms W 5 R7 Same as R4 R8 Same as R2 R9 S...

Page 111: ...ing R49 Res 10 K ohms YaW5 R50 Res 51 ohms 1 W5 R51 Same as R3 RT1 Thermistor 45TG 2 550 0007 000 540 0936 000 540 0881 000 559 0002 000 S1 Switch Toggle 604 0320 000 DPDT S2 Switch SP 5 Pos 600 0477...

Page 112: ...C20 L6 C21 thru Cap 025 uF 500 V 20 516 0393 000 L7 thru Coil 814 4837 001 C24 L10 L11 thru Choke 3 3 uH 494 0110 000 TB1 Terminal Board 614 0087 000 L20 6 8 ISOLATION PAD 3 dB SYMBOL DESCRIPTION GAT...

Page 113: ...Cap 50 uF 25 V 522 0244 000 025 Cap 35 uF 25 V 522 0243 000 C26 Not Used in Stereo Generator C27 C28 C29 Cap 1 uF 200 V Cap 01 uF 200 V Cap 470 pF 300 V 030 Same as C29 506 0087 000 506 0001 000 500...

Page 114: ...0920 000 4W5 R13 Same as R8 R14 Res 100 ohms 540 0888 000 Y W 5 R15 Same as R14 6 12 R16 Res 4 7 K ohms 540 0928 000 4 W 5 R17 Res 2 4 K ohms 548 0211 000 4 W 1 R18 Res 150 K ohms 540 0964 000 4 W 5...

Page 115: ...Res Assembly 915 3312 001 R64 Same as R8 R65 Pot Trim 1 K ohm 552 0802 000 1W R66 Same as R9 R67 Same as R4 R68 Pot 1 K ohm 2 W R69 Same as R9 R70 Same as R4 550 0004 000 R71 R72 R73 R74 R75 R76 R 77...

Page 116: ...GATES PART NO SYMBOL DESCRIPTION GATES PART NO TJ1 Test Point Jack 612 0312 000 XY1 Crystal Socket 404 0132 000 White TJ2 Test Point Jack 612 0311 000 Black TJ3 Same as TJ1 Y1 Crystal 19 kHz 444 1129...

Page 117: ...Cap 330 pF 500 0874 000 100 V C21 Same as C20 C22 Same as C19 C23 Cap 01 uF 508 0298 000 Mylar 100 V C24 Cap 25 uF 6 V 522 0178 000 C25 Same as C24 C26 Cap 100 uF 522 0210 000 12V C27 Same as C16 C28...

Page 118: ...W 5 R17 Same as R10 R18 Same as R11 R19 R20 R21 R22 R 23 R 24 R25 Same as R12 Same as R13 Same as R14 Same as R15 Same as R16 Same as R14 Same as R14 R26 Res 33 K ohms 540 0085 000 AW5 6 16 R27 Same a...

Page 119: ...GATES PART NO SYMBOL DESCRIPTION GATES PART NO T Tr tnstorrner 478 0145 000 XQ 1 Transistor Socket 404 0066 000 Input XQ2 Same as XQ 1 XQ3 thru Trans pad for TO 5 Case 404 0198 000 XQ6 TJ1 Test Point...

Page 120: ...o o...

Page 121: ...SECTION 7 DRAWINGS 7 1...

Page 122: ...IX L R ISOLATION 015 STEREO GENERATOR M6533 TIME DELAY L3 4 5 6 zsa Coc ISOLATION 016 19KHZ CRYSTAL OSCILLATOR 01 BALANCED SUB CARRIER MODULATOR T3 4 CR1 2 3 4 ISOLATION 011 4M ISOLATION 08 ISOLATION...

Page 123: ...P120 V11 RF OUTPUT P6 13 RF AMP A 116 6 C16 T 17O 117 8886 o o C17IT 1B C1B T 119 19 C19 T 120 20 C20 Z GATES DIVISION HARRIS INTERTYPE CORPORATION 123 HAMPSHIRE STREET QUINCY ILLINOIS 02301 U B A P5...

Page 124: ...3 283440 96VDC 05 11 5K 38 C4 CID OI 1000 50 CR12 1847490 14 04 283055 24 9VDC L_ E C1r 01 C11 01 06 RCA 40319 i _2 3054J 25 3VDC r 4mV P PL W _4 35 4VDC 07 20697 12 2VOC 1I 7VDC 96 5VDC IC16 T01 24VB...

Page 125: ...1 00 T 25V TO C27 PWR GND R8 I 2W Ic10 CI1 T A TB IL 25VF El C25 1000 n L4 II 0 47 RIO 100 C12 18 T11 4 MF 2r 1J6 Y AFC IN 7 C O L 1 u D FREO RANGE CA0 8 C C11 B C C5 88 100H N750 N750 68 N750 N750 5...

Page 126: ...TES DIVISION HARRIS INTERTYPE CORPORATION 129 HAMPSHIRE STREET QUINCY ILLINOIS 62301 U B A R44 100 c I D a B R46 1 3 3K 190 C33 y u 7 C30 OV Z12 0 36V I1 0 1P4 C32 1000 3 6V TC12 OR Z8 N1493 14b a a 0...

Page 127: ...14 9 50pF 23V HMS 12 5V RMS C15 k C16 22pF o o L4 95 04 014 47K FLT 77 C23 001 PT 3134E Cif 01 1 o 30V RMS L5 I7V RMS 12 24 VOLTS DC 1 1A AT 10 WATT LEVEL 12 1 8A AT 3 2 WATT LEVEL 24V 4A AT NO DRIVE...

Page 128: ...119 I 1 2 I NC NC I 3 0 NC I 13 14 R3 R4 270 270 1 1 C4 03 R19 750 R11 500 015 T1 C10 005 m 17 60 16 0_ L9 5 I 18 S1 OREMOTE O MONO STEREO JUMPER IF NEEDED 06 612 10K I f C9 1000 10 12Q II C6 L3 03 2...

Page 129: ...MIN hFE 120 1 S SHORT 20005 M MEDIUM 600MS L LONG 1200MS 0 DEFEAT SUBCARRIER ON MOTES 20VDC 02 21691 9 5VDC 012182 pOK VV R31 6 80 C12 100 R22 R23 C1 10 100 100 LEI C24 25uF MUTE LEVEL C33 20uF fi OS...

Page 130: ...22C AT 17 4 1 0HV 3 kHz NSINE TO JCT R46 R47 L R48 _ I OOMV SINE 10 RIPPLE 274K 10 TO T3 TERS 9 I 10 s__ N AUDIO SINE IIIII on HIGH DIST gsc T1 T2 40 CROSSTALK NULL 19kHZ 13VDC QN 4V 1 SINE 010 luF R2...

Page 131: ...15 INPUT OATES DIVISION TERTYPE CORPORATION 1 SEET OUINCY ILLINOIS 65301 U S A R2 20 5W 16 OUTPUT AT 1 ISOLATION PAD FM EXCITER FIG 7 10 815 1459 001 7 11...

Page 132: ...CA rFs A DIVISION OF HARRIS INTERTYPE 1111111 111111 1 4r 1sr 123 HAMPSHIRE ST QUINCY ILLINOIS 62 01 U S A...

Search results

Summary of Contents for GATES FM-20H3

Reviews:

Related manuals for GATES FM-20H3

Brands by name

Popular brands

Harris GATES FM-20H3, Technical Manual

Search results

Summary of Contents for GATES FM-20H3

Reviews:

Related manuals for GATES FM-20H3

Brands by name

Popular brands