Marti RPT-25 User Manual Download Page 46 | Manualshive

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Summary of Contents for RPT-25

Page 1: ...www SteamPoweredRadio Com J PT 2 5 TRANSMITTF R...

Page 2: ...01 to pecilicatlons or dofec t1 In part er workman1hip and whero it 11 found that tho equipmonl meeh 1pecification1 Marti 1hall be entitled to collect oil AOsonablt upeme1 from the lluyer including b...

Page 3: ...z 100F3 Audio Inputs Four inputs are provided with individual mixing gain coatrels three of the inputs are for micro phones one push to talk and one input accepts balanced 600 ohm line Audio Input Lev...

Page 4: ...type Marti Receivers by positioning a special Response switch provided on the top side of the transmitter chassis This Response switch is normally factory set to DFM position for use with New Solid S...

Page 5: ...230Y I CUT JUMP ER FROM A TO C 2 CUT JUMP ER FR OM B TO D 3 CONN ECT JUMP ER TO 8 AND C 4 INSTA LL FUSE OF HALF THE CURR ENT RATIN G USED FOR 115 V 1 z I t4 a _ _ _ I I r 1 _ 11 t c 1 1 r7 I I I OIA _...

Page 6: ...ort of the agent s findings with his signature is necessary to support claim Check your shipment against the shipping papers for possible shortagP Do not discard any packing material until all items a...

Page 7: ...2 Attach the mountina rack part No 700 136 to transmitter using the quick re lease futenera Place the transmitter in th e trunk compartment at a place where it is eaaily inatalled and removed Note tha...

Page 8: ...ter Note that the BNC connector end of cable goes to the receiver Both power and antenna are supplied to the receiver through the cable 2 3 11 Connect the short red No 10 wire from the Littlefuse circ...

Page 9: ...ELECTRICAL SHOCK1 THE ROUND PIN OP THE STANDARD AC PLUG MUST BE CONNECTED TO A PROPERLY GllOUNDED ELECTRICAL OUTLET Some station are equipped with a Remote Pickup ba se ilatioa foT trafismisston of cu...

Page 10: ...anel parallels the push to talk switch in AC powered operation eliminating the need to hold down the microphone switch for long transmissions Inputs 2 and 3 are microphone inputs The correct connector...

Page 11: ...rti PA 1 may be used with the RPT 40 transmitter and the Marti YC 450 or YC 455 with the RPT 25 transmitter Locate ind or antennas away from objects which may ffect the radiation of the antenna Do not...

Page 12: ...IRCUIT BREAK ER NEGAT IVE GROUND NO 10 RED WIRE 0 OWG 700 0 17 1 RED WlfT N0 16 WIRE TO ACC SWITCH 2 TPS TC I rON TRO L UNIT MAR TI Gfe c Jnc tSEPARA TE J T LEAST 36 IICROPH ONE CABLE API SERI 8 AUTO...

Page 13: ...element Yagi Single Ring Single Ring 5 element Yagi 5 element Yagi l ength of RG 8U transmission l i ne not to exceed length of FHJ4 transmission line not to exceed length of 7 8 FHJ5 transmission lin...

Page 14: ...e used for cartridge tape machi e inputs or other devices having a 600 ohm line l evel output The rotary switch selects various circuits to be measured on the panel meter The meaning of the various me...

Page 15: ...e mobile installation to be made as per section 2 3 proceed as follows 3 2 1 Securely fasten the transmitter in the mobile mounting rack using the two rotating fastener 3 2 2 Connect antenna powe r an...

Page 16: ...bottom side of the cont rol unit press the Talk button on the microphone to transmit For long transmissions the Transmit switch on the control unit can he placed to ON position eliminating the need t...

Page 17: ...ropriate knob fc about 5 to 7 VU of gain reduction as indicated by a defl ection of the VU meter to the left The audio can be monitored by a head phone oOO ohms or greater plugged into the Monitor Jac...

Page 18: ...3 3 7 TEST METER FUNCTIONS RPT 40 RPT 25 POSITION 1 POSITION 2 POSITION 3 POSITION 4 POSITION 5 POSITION 6 POSITION 7 POSITION 8 POSITION 9 POSITION 10 TRANSMITTER TEST METER GAIN REDUCTION AUDIO LEV...

Page 19: ...Bird 50 Watt Element 1 0 2SO MH1 4 Model f8135 Bird 150 Watt o 0hm Coaxia1 ae1i1tor 5 GC 8727 Tuning Tool 6 GC 5009 Tunin Tool 7 Screwdriver 8 3 16 Nut Driver 9 Hewlett Packard Distortion Analy1er od...

Page 20: ...er 0utput This should be 300 to 500 milliwatts 150 MHz one watt element Refer t Figure 5 1 for C39 and C40 locations Connect Multiplier Box to Tripler and Buffe Stage Connect 50 ohm Dummy and Watt Mel...

Page 21: ...Reading in Position 17 of Test Meter Capacitor hould be 1 3 of maximum setting See Fig ure 5 2B 5 2 19 Adjust Cll and Cl2 for Maximum Reading in Position 17 of Test Meter This should give some power o...

Page 22: ...Com TOP VIEW 0 0 0 0 C39 1105 1103 LlOl 0 0 0 0 C40 Ll06 Ll04 1102 FIGURE 5 1 MULTIPLIER BOX 0 0 0 0 ClO C9 C7 C2 0 0 ca Cl FIGURE 5 2A TRIPLER AND BQFFE l SECTION 0 CJ 0 ClO 0 0 Cl2 Cll FIGURE 5 2B R...

Page 23: ...istortion througb receiver without 10 7 IF Filter 5 3 6 5 3 7 Distortion should be lo or less If not adjust R4 on DFM 1D module Lower distortion may be clockwise or counter clockwise Adjust Ll for pro...

Page 24: ...www SteamPoweredRadio Com SET R4 FOR 4 8V MEASURED TD CHASSIS G tOUND TOP VIEW R4 C3 FIGURE 5 DFM 10 d R4 1 1 EJ L2 Ll C3 L4 FIGURE 5 3 DFM 1D...

Page 25: ...ee Figure 5 4 for pot locations Put Test Meter in Position 12 and adjust VVR Bias Adjust Rl7 for 6 VU on Test Meter Repeat steps 2 and 3 until O VU reading in Position Hl and 6 VU reading in Position...

Page 26: ...t Level Rll to add 21 distortion to the 400 Hz tone See Figure 5 5 for locations Check response by adjusting Gain Control Pot 4 for approximately 5 db compression in Position ll of Test Meter of a 400...

Page 27: ...S DWG 700 13 4 7 12 X FR EQU ENCY 150 1 60 BUF FE R A D 450 470 POW ER AMP 450 470 TRIP MUL TIPL IER MHZ MHZ AN O OUT PUT MHZ AMP LIFI ER TO 25W 9W F I LT ER 8 0 0 01 9 800 05 0 0 OO O51 ANTE NNA 25 W...

Page 28: ...www SteamPoweredRadio Com Ill c comp level R In vu mtr I D4 I DI 1 I etrap I 41 I llt lc H t11C1 out I CII r OWG ao o 016 I MAR TI k COM PRES SOR AMP L CA 40 u tndl 10...

Page 29: ...tortion but has a comparatively slow attack time For inst ant ane ous control of short rise time audio waveforms the control voltage is differentiated and applied to the gate of a field effect t r an...

Page 30: ...5 Capacitor 25 uf 200V 5 Capacitor 01 uf 25V 80 20 Capacitor 2 2 uf lOOV 10 Capacitor 033 uf 33V 5 Capacitor 20 uf 16V Capacitor 20 uf 16V Capacitor 125 uf 16V Capacitor 125 uf 16V Capacitor 16V Diod...

Page 31: ...PLIFIER MODULE MODEL NO CA 40 ITEM PART NO R2l 100 522 R22 lOO l 52 R23 100 184 VVR 451 001 800 016 700 024 DESCRIPTION Potentiometer SK ohm 1 W IRC 301 Reahtor 15K ohms w si Resistor 180K ohms w 5t V...

Page 32: ...dRadio Com I R28 R 21 Cl T I I I T 11 c 17 RIS 1 II u I Rl4 RI IN 2 I OWG 800 01 0 I GND 2 8 R2 OUT 3 IN I 3 4 OUT 2 5 MA RTI Gfec lroni cj Jnc B 6 I R l5 1 OUT I 7 8 R3 MIKE PRE AMP MA 3 I I I RIO Cl...

Page 33: ...21 219 500 Capacitor 50 uf 40V Ql 422 925 Transistors 2N2925 Q2 422 925 Transistors 2N2925 Q3 422 925 Transistors 2N2925 Q4 422 925 Transistors 2N2925 Q5 422 925 Transistors 2N2925 Q6 422 925 Transist...

Page 34: ...5 184 105 184 105 184 700 024 800 010 DESCRIPTION Resistor 100 ohms 5 Resistor 680 ohms w 5 Resistor 680 ohms 5 Resistor 680 ohms w 5 Resistor 2 9K ohms W 5 Resistor 2 9K ohms W 5 Resistor 2 9K ohms w...

Page 35: ...www SteamPoweredRadio Com RII OUT J R7 iel Jrr l c 42 llf lt c 44 111 c 45 I fC46 C47 1 IN MTR 12 V MTR MTR MTR 12V _ G 8 00 0 I 9 3 I MARTI ct c J nc I MULTIP LIER BOARD I...

Page 36: ...citor 1 0 pf 500 V 5 Capacitor 18 pf NPO 500 V 5 Not Used on this Frequency Capacitor 75 pf Jl 500 V 10 Capacitor 0 001 uf Z5U 500 V Capacitor 68 pf N330 500 V 5 Not Used on this FTequ ncy Not Used on...

Page 37: ...uh Coil Marti Choke Toroid Marti Coi1 Marti Coil Marti Choke Toroid Marti Choke 18 uh Inductor Variable Marti Inductor Variable Marti Inductor Variable Marti Inductor Variable Marti Inductor Variable...

Page 38: ...ECTED 1 0 THE I FREQUENCY CONTROL MODULE I C9 ICI TC7 I XI I R11 I R3 L2 ICl C2 R4 I I l R9l I I Ic 4 1 JR23 1 Cl2 5 II r C 1 RIO I ___ _ R7 r D2 t I I l I C4 I Rl2 02 I l i _I l o Jr I n R l 4 R8 COM...

Page 39: ...om Rl9 0 L 4R2 1c J J R20 Cl c J Rl8 J 03 L4 Clo D QC2 s o o o o OR4 Rl8 Cl7 Cl6 o T I RIOc J 8 C J cg csC 0 DR9 oRP Rl 5 c J j3 m Qr loC I 9 2D2CI J V LJ CD01 RI 2 c J c J RU LI Rt3C J c JR l4 C l4 c...

Page 40: ...r 10 uf 63V Electrolytic Cl7 219 080 Capacitor 10 uf 63V Electrolytic 01 410 110 Diode Zener llV lW D2 414 007 Diode 1N4007 D3 410 914 Diode 1N4148 ICl 400 317 Integrated Circuit 1 5 AMP Regulator IC2...

Page 41: ...1 1 100 202 145 473 100 104 1 145 223 145 102 145 030 DESCRIPTION Resistor 22K ohm l 4W 5 Resistor lK ohm l 4W 5 Resistor lK ohm l 4W 5 Corning Resistor 2 7K ohm l 4W 5 Corning Resistor 12K ohm l 4W 5...

Page 42: ...www SteamPoweredRadio Com rDWG R4 R IGND IKEY 2 R2 a 800 020 1 R9 C4 RIO D4 IN E 4 5 6 MARTI Clc J nc RII 1 Rl2 Rl3 Rl4 OUT 7 8 POWER SUPPLY ER 12 C5 B 9 10...

Page 43: ...Capacitor 10 uf 63V Electrolytic Capacitor 0 1 uf lOOV 10 Mylar Capacitor 0 1 uf 100V 10 Mylar Capacitor 0 1 uf 25V 80 20 Disc Capacitor 0 1 uf 25V 80 20 Disc Capacitor 150 uf 25V Electrolytic Diode s...

Page 44: ...DWG 700 134 4 6 13V MULTIPLIER TRIP BUFFER P A a FILTER 4 50 470 I J 1 ANT 13 2V REC H I n 41 e 3 r n 1 PART OF TB I I I I I I I m I ___ _____ _ P2 ro 1 Fl Tl 2 6J FAN TO PIN 4 MIKE I MARTI Clectromc...

Page 45: ...Blectrolytic 680 uf 16 V C citor Blectrolytic 13 800 uf 25 V C cit er Electrolytic 680 uf 16 V Diocle lNltUI Diode J N4 l 48 Diode Zener SZ 15 0 V Rectifier ridae 25 amp lOOV Diode 1N4007 Fuae 2i la...

Page 46: ...4 115 003 Rl5 125 100 Rl6 115 010 RYl 570 015 Sl 530 014 S2 530 028 Tl 320 027 DESCRIPTION Resistor 0 3 ohm 1 W 5 6 in parallel Resistor 10 ohm 1 W 5 Resistor 1 0 ohm l W 5 Relay R 10 E750 l 185 ohm 1...

Page 47: ...ti IN MOD 5 _ 7 T ENCODER 13 2V C C9 Rl4 6 ON OFF 11 7 11Cl9 S2 o 7 7 _ I _ CIO II j e e POS 2 S1 B 4 _R_I r i Jn _ T Cl2 s 9 s _ vv 02 ifiC13 D3 i Cl8 0 Pl I _ 1 Cl4 P2 P3 T2 4 c 2 o 7 4 R2 R3 R4 R6...

Page 48: ...10 Disc Capacitor 400 pf Underwood Capacitor 500 pf Underwood Capacito 001 uf Disc Capacitor Electrolytic 680 mf 16 V Capacitor 500 pf Unden ood Capacitor 470 of 10 Disc Capacitor 470 pf 10 Disc Capac...

Page 49: ...J 2 Cl DWG 800 051 I C2 I I d7 XMIT B PC PC ca J4 FREQ T P I L4 1 I I J MAR Tl GfeclronicJ Jnc CII I I L II I R F OUT C12 DI TMETER _ W _ _ ___ _J I R2 r ANT I1 REC 13 2V J3 I I RY 2 XMIT B RPT 25 PI...

Page 50: ...pacito 10 u f 63 V Electrolytic Capacitor 01 uf 25 V Disc Capacitor Feed thru 1000 f Capacitor 33 pf Underwood Capacitor Variable 8 pf Capacitor 001 uf 10 Ty f e JF Solder in _ C acitor Joh ns B f7295...

Page 51: ...I I I rl I 111 1 J 1 1 RjwouT _ I t T 111 I Y J2 R5 lc 3 R7 61 I I I I I f r l I L5 I l L6 t t d I I r I l JICl5 l Cl61 I 181 I I I I I l CI9 I l l C20 J lMETER XMIT POWER OUT XMIT B ADJ 6 I3V B MARTI...

Page 52: ...3 v Electrolytic Capacitor 01 u f 25 v Disc Cai aCi to r Variable 7 60 pf Capacitor Variable Capacitor V a ri able Capacitor Variable Gaf acitor 01 uf 25 v Disc Capacitor 1500 pf 10 100 V Capacitor 01...

Page 53: ...31 _L R32 I C l R33 R34ll7 IQ OPTIO NAL ENCOD ER R39 1 R36 R35 Cl7 I IL I I I I KZ4 _L X I Q4 22 R23 _ a I I Rl8 I I 03 I I WW t 1I I I EQ I I R 25 7 CIC 1 f Rl9 R 26 ENCO DE l3 2 1N 1 G ND1 OUT k No...

Page 54: ...tor 22 uf 25 V Electrolytic capac itor 22 uf 25 V Electrolytic Capacitor 22 uf 25 V Electrolytic Capacitor 47 pf Type N330 5 Disc Capacitor 300 p_ f JL 10 Disc Capacitor 470 uf _ 6 3 V Electrolytic _...

Page 55: ...esistor 180K w 5 R22 145 472 Resistor 4 7K t w 5 R23 145 472 Resistor 4 7K w 5 R24 145 822 Resistor 8 2K t w 5 R25 145 221 Resistor 220 ohm t w 5 R26 145 102 Resistor lK t w 5 R27 100 105 Resistor lm...

Page 56: ...Ql Trip VCC B C l Volts Measured Power Output v f wa ts 100 Modulation J KHz Frequency Counter HP Model 5383A SN 716A01381 Deviation Meter Measurements Model 920S N540 Response made with input level...

Page 57: ...ch is likely to ex ist in your equipment In peeling the green backing it will make eventual removal easier if only 1 4 inch of tape is exposed on each side USER MODIFICATION AUDIO FREQUENCY Audio freq...

Page 58: ...www SteamPoweredRadio Com I I I I I I I I I I I I I I I I I I...

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