background image

STEAM 

POWERED RADIO.COM

www.SteamPoweredRadio.Com

Summary of Contents for RPL-4

Page 1: ...www SteamPoweredRadio Com INSTRUCTION MANUAL MODEL RPL 4 EMOTE PICKUP INK 45 0 4 70 MH2 2258 MOSELEY ASSOCIATES 11 fC I SANlA BARBARA RESEARCH PARK GOLETA Ct UFORNIA 93017 ...

Page 2: ...amPoweredRadio Com I INSTRUCTION MANUAL MODEL RPL 4 EMOTE PICKUP iINK 450 4 70 MHz MOSELEY ASSOCIATES INC S nt Barb ra Research Park lll Castilian Drive Goleta California 930i7 Revised arch 1980 805 968 962 1 ...

Page 3: ...ABLE OF CONTENTS INITIAL CHECK OUT P OCEDURE INSTALLATION A Transmitter B Receiver c Antenna and Transmission Line OPERATION A Transmitter B Receiver CIRCUIT DESCRIPTION A Transmitter B Receiver FIELD ADJUSTMENTS A Transmitter B Receiver SERVICING OPTIONAL MODEL AMP 4 RF POWER AMPLIFIER i Page 1 2 2 2 4 5 5 6 6 7 7 8 8 9 9 9 12 13 13 13 13 14 ...

Page 4: ...fforded to all circuitry du to the modular design of the system Metering of important parameters is provided on the RPL 4 Trans mitter For monitoring audio levels a PEAK AUDIO position is provided Metering is also provided for relative FORWARD POWER relative REFLECTED POWER relative I P A DRIVE actual FINAL CURRENT and POWER SUPPLY VOLTAGE For applications requiring higher output the Moseley Assoc...

Page 5: ...nto 50Q load Output connector Typ e BNC female VSWR Protection Deviation Frequency Stability RPL 4A Frequency Group No 2 Group No 2 Channels are 450 0875 RPL 4 Rev 4 78 450 1125 450 1875 450 2125 450 2875 450 3125 450 3875 450 4125 450 4875 450 5125 450 5875 450 6125 Withstands infinite VSWR at all phase angles RPL 4A 5 kHz 7 5 kHz max audio for 100 modulation RPL 4B 10 kHz 15 kHz max audio as app...

Page 6: ...C Audio Inputs 3 independent channels two micro phone and one line Audio Input Impecances Line so ooon bridging unbalanced Microphone S0 150n balanced floating Audio Input Levels Line 15 dBm to 10 dBm from 600Q source Microphone 60 dBm to 40 dBm Audio Peak Limiter Control Range greater than 25 dB attack time 1 ms release time 700 ms Metering Audio Monitoring RPL 4 Rev 4 78 Peak Audio Forward RF Po...

Page 7: ...ive ground 2 5A maximum 15 VDC maximum 12 VDC minimum 4 10 2 cm high 14 5 36 8 cm wide 11 27 9 cm deep 16 pounds net 7 2 kg net 1 5 microvolt maximum for 20 dB quieting 10 microvolts maximum for 40 dB SNR 6 dB 22 kHz 60dB 42 kHz 6 dB 44 kHz 60 dB 75 kHz 65 dB below 40 dBm reference 0 0005 20 C to 50 C son unbalanced input connector Type N female 10 dBm 100 modulation 600Q balanceq Automatic and ad...

Page 8: ... switch is not depressed Connect the line cord to a source of 120 VAC 50 60 Hz Note For 240 VAC _ 50 60 Hz operation refer to drawing 91C6667 for information on rewiring the primary of transformer Tl0l Once the Transmitter has _been properly terminated depress the push button marked POWER AUDIO This applies power to the audio section multiplier driver and the RF power amplifier Note however there ...

Page 9: ...s to minimize multipath effects The 600Q bal anced output of the Receiver should be connected to a monitor amplifier or suitable test equipment If specific audio measure ments are to be made the Receiver output should be terminated with a 560 resistor To verify the operation of the RPL 4 System apply a 10 dBm signal at 700 Hz to the Line Input of the Transmitter Adjust the Line Input Control until...

Page 10: ...m 120 VAC 50 60 Hz If it is desired to ope rate from 240 VAC it will be necessary to rewire the primary of the power transformer see drawing 91C6670 for details If remote selection of the frequency channel is desired use the appropriate barrier terminals on the rear of the chassis A SPOT contact configuration is required for this function The program output of the Receiver is available from the sa...

Page 11: ...uitable power cable When fabricating this cable be certain to observe the correct polarity and select the proper wire size to avoid excessive voltage drop Connect all audio equipment that is to be used in conjunction with the RPL 4 to the Transmitter The two Microphone Inputs are located on the right side of the chassis while the Line input and Utility Output jacks are located on the left side Con...

Page 12: ... this function An SPOT contact configuration is re quired A relative signal strength meter has been incorporated into the Receiver to assist in the setup of the RPL 4 System Also incor porated in the Receiver is a provision for an optional carrier operated relay which may be used for external control purposes VII CIRCUIT DESCRIPTION A Transmitter The transmi tter is comprised of f ive major subass...

Page 13: ...z signal from whichever crystal oscillator is operating Q6 is a current amplifier with an RF output of approximately 0 dBm into 50 ohms In Channel 2 opera tion transistors Q3 and Q4 operate in the same manner as Ql and Q2 In order to limit the RF bandwidth with high frequency audio a three section audio low pass filter Ul limits the upper audio which can be transmitted The RPL 4 A is limited to 7 ...

Page 14: ...match the output of Q702 to the input of Q703 The output of Q703 the final output transistor is matched to the antenna output with a complex matching network form ed by L704 L705 L706 L707 C727 C715 C716 C717 and C718 This highly selective multisection filter attenuates all unwanted signals to at least 60 dB below the main signal A dual directional coupler samples the relative forward and reflecte...

Page 15: ...employing 30 MHz and 10 7 MHz I F frequencies The Receiver is composed of nine subassemblies preselector pre amplifier balanced mixer I F two channel local oscillator 30 MHz 10 7 MHz converter crystal bandpass filter FM demodulator audio processor and power supply The schematic for the Receiver can be seen in drawing 91C6670 See Figure 2 for subassembly lay out The received signal is applied tq th...

Page 16: ...lector may be adjusted to improve Receiver sensitivity Trimmer capacitors are provided within the two channel local oscillator to allow for adjustment of the oscillator frequency Capacitor Cl03 adjusts the Channel 1 frequency and Clll adjusts the Channel 2 frequency IX SERVICING If it should become necessary to troubleshoot the RPL 4 System complete schematics and component layout diagrams have be...

Page 17: ...acement of the amplifier so air can circulate freely by the heat sink Further wiring for the DC supply voltage to the AMP 4 should be of sufficient size to pro vide up to 6 amperes o f current without an appreciable voltage drop Voltage requirements are 13 5 VDC negative grou d It is suggested that wire of equivalent size be used for ground return to a common point In a vehicle do no rely on the b...

Page 18: ...n at full saturation Power Supply to be set using DVM Transmitter Power Supply set for 11 5 VDC RF out 10 0 watts Receiver Power Supply set for 11 5 VDC Audio V P P at brown test Eoint on VCXO card for l 00 modulation e35 V P P Audio V P P at yellow test point on VCXO card for l 00 modulation 32 V P P Spurious Emissions 60 dB Readings taken into son load Receiver squelch set for 1 3 µV 25 db SNR F...

Page 19: ...VER 2 0A 2 170 I 400 440 MHz JIOI 20A2570 2 440 470MHz 20Ai 740 300 330 MHz 2 CHANNEL VCXO OSC 20 A 274 XMTR AUDIO II a 1 1 a a I r 0 J I tl ti c lu l a w q z r d n 8 _g I 11 r a J 20A23 56 J JIOI J l 02 M0 L V A 0CI ATm D 1 lNC IANTA IAlll IIA HHAIICH PAS K IIOUTA CALIPORNLI UJtl i FIGURE I 1 RPL 4 TRANSM ITTER LAYOU T t f 1 i r PU CT 1 m xx u a nx j tu t H F IC Y 6 2 9 1 3 iCAlt 1 I 2 _ h r 1 ll...

Page 20: ... Jt AUDIO 11crr 1NG S L CTO ft I I I I I I I 1 l I UOS AN JfllOfA rt _ J c 011c ow ui TfOI PIii wu 11 fOft HOV tic F102 I OSA S 8 FH 140 ltlillC J J 102 UD Ol lfHL USl Ltllif VOl TMI K TOA 1 0 UL IS II TO lD l WOLTAII tlU ITM N 0 101 It I l S S o J2U 71 q_ PO I su u QUl ATO A ZOAISf6 o SIAS 1 U J I 0 ii ilDl 1 2 l 1 I i I NC I I L I l u v I I I 9 11 f t 1it _J orrs CA ACITO R VUU S A l I MICltOFAI...

Page 21: ...It o E 111 0 011 OK ffoKl 9 o II o Hl i 8 o RI o e 2 O O O I Ill ol 9 o 12 10 Cl o II Clll U O O 9 1 S J f Q 15 0 Q IA N C 0 i II V e I I o l N 0J 01 0 5 B 2058 H l NUT VENOOR 11 11 51ARl HER vi NDO l llol I C RLU IT 10 It FLAT IA HLII _ _J _ _ LOLATE A 5HOWN NOTES lPLACE Tl I UNLESS OTHERWISE SPECIFIEO RES15T01l VALVES ARE IN OHMS l 4W 10 10 CAPAC IT OR VALUES ARE 11 J MICROFARAOS 2 CJ DE NOTES I...

Page 22: ...1 TU ICti l lltfUI O I YU 30 J i ISY tl_ to f OVDC r 100 1 1N419A c t 1 YJ 1 fN41U ovo rt c16_t uoo r l t t DfTtC TM iT l tl_ej l CIIIO 4 n O 111 100 l lfl R ACC L f tAfto i IUIO ADJ oo ti t I U7 CIII IH41M 1 N41 4 i i 0A I L l O J DA t OPTIC A l Ar f NUAT Olt _J to Mt U Jil t p z L IJ i r _ b YJl ey 2 J1 It fJ f J NO t ES I UHi OrH R IS SPcc r 1co R 51 S f0 R VA t U S Alt IN 0 S 1 4 W 10 o C AP C...

Page 23: ...I G 40 2 n 15 KHt LPF RPL 4B T R Ml tJA1 U E C O IWOT H ITD 75 KHt LPF R K 4 RS Be c o n I BK RPL llU PL 4A NOTE i I UNL E SS OTHERWl E PEC IFIED RE S l iTOP VALt JE S AHE IN OHM S 1 4 1 J CAPACITO R V A LUE ARE 11 J l 1r Ol ARAU i 2 P C BOAAD SIASB2I DI R V B 3 Sc HEMATI C I C 7 I 4 HR I HR2 ARE PROPCJR TIO NAL CO NTROL HE ATER 5 5 FREQUENCY 140 17 4 M l l 15 t tO MH1 t0 4 1OMM L Yl Y2 OAOO S 3 O...

Page 24: ...C ONTROL HEATERS 5 f R QUENCY YI 8 Y2 140 1 70 MHa 3040069 215 240 MHt 30 0060 4 0 470 MHI 50A00 8 fl u St ECTEO liNO I NSTAl LEO BY fEST RH 10 0 6 TP4 0 11 0 voe YEL I C20 r LI 3 5000 E 0 11 15 L t 1 1 Gaoo rc 1 o 1101 vcxo 2 _ _ LI IOOOUH 1100 o Till rh CJI 100 tt VARIAiU E COMPON Nl S R3 R4 R i 11 v I LPF I 1200A I IRPL 491 7 kH LPf 18 RPL A RPL OI 10 R6 470 LIO 1 UH I CZ n m J I I M G UIY Ul G...

Page 25: ...EIIOTf SID CAPA C ITOR NOTES I UNLESS OTHERWISE SPECIFIED RESISTOR VALUES ARE IN OHMS 1 4 W IO lo CAPACITOR VALUES ARE IN MI CROFARADS TAP DETAIL ABOVE R3 i 1 s MA X 2 t DENOT ES R010R SIDE 00 NOT HRETCH COIL Lll Ll 2 TYP COIL MOUNTIIJ t CO IL 3 200 1 t TORRO I D 3 3001 SOLDER BOTH S I DES OF P C BOARD SOLDER ALL COMPONENTS TO GND PLANE WHERE POSSIBLE 3 P C BOARD 5 1A5708 0 I 4 SC H EMATIC 91C6900...

Page 26: ... 3 2001 TOltOIO l 001 I S P C 80 t ltO l U 701 01 4 COiirlPOMlPH LA tOUf 20A2 70 U8CAflRIER IN UT NOT USEOFOR R P I l YPICAL UA L UES r 82 00 lo 0 c o _CH I CU tSS 10P T 5 IOPF O WIIT PF r I CR3 M 8 40 Cl2 f l t _t T t ID 4 0 MH1 O 410 fflM t no 400MHL C41 f W u 225MH1 AMP LIT 1 2 00S CH u u I U 12 1111 CZ 4 I rcuT 6 S U5MHr X2 or 04 ZN3H _I lol u CU J_ METE Ill NG l ORIVt lno PF I J2_ J 100 N Q I...

Page 27: ...SP l t f l 1 t 7 1 f r 1 d r C l i a A O J _ Q c_ T l P l AL PARTS MOUN T I N G MOUIJT RB CAP FL AT TO Pl e 0 l _ t C t l C t J J l i 10 t _ 3 4 5 6 a h L I TOR V I Li S A f t 11 I d M S I 1 4 W I J i CA f i 1 Ti Vc l UE l f 11 J 1 l h l f Ah AD S f _ I l f c n tt E_r_ i 1 _ f L u 11 AHl SIA t i d J S l H L M T I C I tH H64 ll EO t 1f NU H S Alh Cul l b11 I C J 1 TE I l 4 1 7 1 I Tc N z_ t I N SE ...

Page 28: ... I r f ii opt C 3 1 2 t B 25pl I iF C 14 DI 24 X I I J102 I I I I I I I I I I X I 1 v I _L r W 1 L 1 1 716 L cm I r707 2703 1 lc r 2705 I f I l 5pl 7pl 100 T4 7pl RFC NPO RFC 33 T 3 5 N PO NPO C72 I JI I I pt 001 l CO MPONENT VAR I ATIONS R704 t T M I l IJOO t 4W 5 2 PC 80ARD 51 11 5602 ITEM 2 3 COMPONENT L AYOUT 20A2549 4 t UE NOT ES AIR COIL 3 2001 N tro o PUii II C tl n r e AfH HNl f J _ t J _ ...

Page 29: ...2 P C BOARD 5 IA5 711 3 SCHEMAT I C 9166908 4 DENOTES SELECTED VALUE TYPICAL 470 OHM ITEM ITEM 2 960MHz 1t C INSTALL RI07 AS SHOWN REMOVE RI07 INSTALL CRI06 3 1 V IW ZENER AS SHOWN IN SIDE VIEW SIDE VIEW USED ON SEE92Cll77 J ll f a 1 f 0 cl Cl Id Cl IJ d i 5 Di C i ti LLIW C _ o go O ir o o wu h l l J rt e It u z i Ntu 0 00 oloh _ in _ o Q 9 i 0 0 10 z n C l J JI Ill 0 z cc 2 w aM 0 si d Q o m c t...

Page 30: ...T C RICH POlllT Cl 11 fllNT IOH 0101 f r REMOTE J ll SENSE W bN 61 flO 1 I e 9 _9 REGULATED O C 2 r 7 3 l l i Rl05 1200 01 Rl07 100 r I 1002 RI 06 RIOS I 00 3300 IW II l j VOLT AGEi SET U IO I 7 L5V 4 M C I 7 23CL RI I I 5K 8116 6800 6 5 7 10 I 13 Rll2 c101 001 CRI05 10D2 4 L 5 1A5711 330 1 2W RI09 ea RII O 100 II 7 METER ADJ l 2W o h 3 a 2 l Jl f ge METER TO 0 POWER L E D Ne B1 1 O C RETURII h I ...

Page 31: ...2735 I I 01 JIOI FRONT PANEL n1rn 1rw ll nllT r1 NT tmo a I AUDIO PROCESS OR 20A2367 JI0I r J XTAL FILTER 20 A 2383 MIOI Ill ii t l a II c Ct IU o l Q N FM DE MOD 2OAZ 54 6 JIii MOSEL EY ABB0C IATEB 1 olNC SANTA 8ARBARA RESEARCH ARK GOLETA CALIFORNIA 1Jlt7 V l n Ji FIGUR E 2 1 ti RPL 4 RECEIV ER LAYOU T l l N 11 1 C A I C l l TOL FRACT t 1 32 xx t OlO xxx 11 1 2 uia1 0 3 i DWN F II Y 6 28 73 SCALE...

Page 32: ...OT sru cr PO l PlY com t t PUSH au r a S 2 S 1 COIICGM llTU I I lAIWSflffllAEAI POWE SUPP lY f 11 S IRlGUL A TOR 1 1os 1 r TIOI 3 1oq7 2 0A2700 SIA 594 I HOA ll W 10 _ CIIIOf L E O o t NOTES I P C IOAROt A SHOWN ltlll DASH 1 lllllf S 20 PIUffX IS IIIO0UL NUMHIII C D HA IIINES FA QIJENCY 91 Pll FIX IS SCH MATIC DfUwu e NUMl lt I fl lltHU IS l C I0U 0 UMIUI 5 _ 86 _ M _ L l l02 utc 20 111 II 0 7 1 I...

Page 33: ... llA t I I M r r i r r t 1 l N 0 I tn X t SOL0 11 TOP Z OC ll fT PIIU THI Sll C ZZ U OLOfR TO oT 10 Of 110 f LC NO Wt C ovt R ON C4C SIO or A o l ORC C Olt INO LABEL 20A2584 c i I IIIQ I u 0 II l Of C I u ii i11 i w G t z 0 o cO SMIT l a TO BAL M XE R CNCLOSUR E 51 1 tZ 35 J C Cl 111 J Ill fl f i i Ill z L Cl C 0 O Ill I C Ii 111 0 I USEO ON SEE 92Cll7 6 A MDBEL EV ABBDC IATEB INC SANTA BARBARA RE...

Page 34: ... ISE SPECIFIE D RESISTOR VALUES ARE IN OHMS 1 4 W 10 CAPACI_ T OR VALUES ARE IN MICROFA RAOS 2 P C BOARD 51A5707 3 COMPONE NT LAYOUT 2OA 2584 l000 pf TO BALANCE D MIXER IF re 5 MO L V A BDC IAT INC SANTA Ult HA IIIIIIAltCH f AIIII GOLUA C UIPOIINIA l t SCHE MATIC RCVR 450 MHz PREAM PLIFIER I i TOLi nACT t 11u t 1 xxx 11 it t 1 C 1 i OWN FXY 25JUN76 ICALt _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _...

Page 35: ...6 Ci IT JI CAPACIT ORS I PJPO I PF X FI NO C7 CB C9 I 4 7 2 2 2 2 2 10 2 2 c O I O c 1 l i _ 0 0 1 u CI 0 o CClO C t rt o J J j o lllD oWr SI CID G II 3 3 IS PI Ef 0 6 8 3 3 TEC 4 I0 2F USED ON SEE 92 C 1176 MO L V A O CIAT INC SANTA UIIIAIIA IIIHAIICH l Altl GOLETA CALll OltNI A Nl1l 1 z w _z iu1 2 l o 21 i S COMP ONE NT LAYO UT U lw 0 0 z2 0 CUT LE ADS ON TRANSI STORS TO 3 16 11 LONG NO tESS REM...

Page 36: ...UES ARE IN MICROFARAOS 2 P C BOARD 51 A 5864 COMPONENT LAYOUT 20A2735 r ff1NTI D ON D llt TSRl t1 0 S T C L lr Rr RIN I 16 1 4 POLE CRYSTAL FILTER OPTION crl 1 cro I O P F H rl6 8 P F PO 30 MHZ JPO lCTAL FILTER ca rF CII 2 2 P F l I 3 3 PF JJPO NPO PIEZOTEK MODEL 4102F re CRYS1 L flLTER FIELD INSTALLATION 1 REMOVE 5 tAPACliO i WrTHIN 01 SHE D REA THEN 1N TALL POLE nAL FILTER WITII l S OCll 1EO CAP...

Page 37: ...RD I I I I 1 I 100 J I I 7 Gm P i o n i _ J i i ii I C l 7 ooopf I GROUND _ l I I 582169 BAL MtXE R re HI vJ t J l l N Y DN v 3 SCRE W W 1 SHER NUT 13 5 I l o i O e i It J 2 0 t u t c o i a o c 11 a s 0 t oP Ill j i 1111 _ 1_ ti Ill z o I C I a 9 i Q J 0 Ill CI G i ei i o J lo 111 w I 1 1 1 r 5 e J I x 9 l lll o Io tJL o _ _ _ 1 0 O ll t J a aU W z w 0 w J U 1 Z a tX 1 I o 0 t i 111 C 0 OL 0 IC g ...

Page 38: ... OTHE RW I S SP C I FIEO RESISTOR VA1 UES AR lH OHM t 4 W 10 A CAPi CITOft VALUES Al IN MICROFAFUOS 2 f C 8 0 A A O 5145499 l COMPONE Hf l A YOU1 20 A2 U 1 OCN OTES C O I L 3 2 001 1 5 YtOt O NO Y l 01 ft 30 000 Mfh S ll OICIEfllC H f OST Cl tARPn NT Jl f 8 Rll I 10 LIOI t 7 111 1 0 so C IIZ 400 1 L IOt J 20 Z MIS 179 11110 c 10 K 001 i le I ooo MULT X 2 ltltll IV C 15J C IS4 u I o C 111 2 11pf Cl...

Page 39: ...P OF THE CUP AS EEN THRU THE TOP OF THE CAN 1 l IF TfRI C H POST Cl t ARPRl NT 10 20 A RG J88CO AX CABLE IY 11 1 i Q w 0 Oo o J t too p 1 Or 4 Q n 0 __ r r Z o aQ 2 uJ 0 00 II 0 1 V ILi t l 7 Lu UJ _ u tl jl Y ltJ Q Ill J 7 f I J LU uJ kl LU Q JI09 RI _ ID 15 s 1001 0 2 ENCLO SURE 58264 2 0 07 30A001 8 40 7 MHz a 3 16 GROMM ET 13 04 4 I w 31 II J MO L V A OCIA T INC I r O i D Cl t J j c SANTA AR A...

Page 40: ...TORS ARE IN MICROFAIIAOS 2 P C BOARD 51A5869 3 COMPONENT LAlOUT 20A 2734 li O O N 01 c l 1tn1 e H PO S f c i l N T 1 0l0 1 01 3N 204 3 R5 120 K L RB 330 C4 51PF C3 01 CIO l 0 1 G l 006 31 B1I39 le I yrc 4i_l r ii _ __ 3 J 119 ISOK Cl3 01 RIO 27K Cl4 SIPF R II 150K 02 3N204 1113 IOOK or 1 Ir 3 I t eN id I d1 tY 1 ca j Rl I 12 1 47 r N D OUTPUT C20 4 70PF 12v t1 MO L Y A DCIAT INC SAMU IAftlAftA JII...

Page 41: ...ARE IN OHMS 1 4 W 10 4 fil 1 MDBELEY A BDCIATE INC CAPACITOR VALUES ARE IN MICROFARAOS 2 P C BOARD 5IA5477 3 SCHEMATIC 9146613 I l Y f tC TC Olt U D f C T a hi CII U a 1 I Cl 0 jl SANTA BARBA AA IIES ltCH PARK rn e dl l iJ GOLETA CALIFORNIA IJ017 u 0 J I 1 cJ i IJJ S 1 o o COMPONENT LAYOUT n o XTAL FILTER INTERFACE 1 J J D l TOL1 FRACT 1 32 XX 030 XXX 011 L z 1 2 z g O i I N 0 1 1 0 C t u a _ IU _...

Page 42: ..._ _ _ _ _ _ _ _ _ _ I GU L_ NOTES I UltLf9S 0THIIIWISE SPECtflED t RESISTOR VALUU AIU IN OH MS 1 4 W 10 CAPACITOR VALUII AIII IN MtCROl AIIAOI P C IOARO IIAl47 COMPONENT LAYOUT 10At 83 i I t t i t f c I w la I i J USED ON SEE 92 C 1176 iig Ill u I C a 5 SCHEMATIC o i T F MO L Y A DCIAT 1 INC UNTA SAHARA lllESIAllCH PARK GOLETA CAUPORNIA D1J 1 tJ X Al ILTER INTERFACE I ii J i o 3 a I S TOLi PRACT t...

Page 43: ... ON BOTH S I DES OF P C BOARD R815 R828 A829 JUMPER ITEM ITEM 2 47 DELETE W TEFLON 27 56 680 ITEM 3 27 56 680 o j 0 I i I uJ o l V O W o Iii a x i J J Q Q 3 0 i a i t ar Cll i c I t ll _ to C i w Ill 3 _ II cu4 l I t c ID II 1 r i t t l J 0 h i jl iii IZI le i i 1 t t 1 I 5 q t It t t o t u g Ill C a ijtl il a e X Ill Cl V0 1 0 _ 0 111 J rr 1 I G o I ciS i t o J J l o li r IJ J I J u fl S O O 1 l ...

Page 44: ... ON SCHEMATIC o ON Dl T ICti OST Ct lt MINT 1 za _L _ J j C826 47 20 RATIO DETECTOR CR801 HP5082 28 35 9 8V 11 IV J_ C814 rh t 5 6V R807 12K CBl5 l ce16 I rOOpl J 01 J 47 20 7 C828 v 6 RSl 2 AUDIO OUT ffi 01 tJ I r I J 150 J 1 1 f 6 t fV 4 BAL MIXER 100pf IN4 154 IN4154 CR804 CR806 RBZ 6 8 3 0 l ltN I MTR CRBO I IOK 1 0pl 1 R823 IN41 14 R825 C831 c_ 47K IOK L 1 J c c 1_6 _ 12 E OOpf i L E _ _ _ fa...

Page 45: ...7 8P fr t o e 0 1 7 o g I QQ 9 v P JQ l f IV 1ll f tOO Pf CI f ti r itf 7 1005 N Q iw f 1n 4 ri ilOOK liJ O l 1 1 LI 2 N f r M f P N 4 l i i 2 b o i jO ISo l i o 0 I I J 2 7 3J M i C 1 It f p Lfj l I _ __ I J t I O Ill 1 dl 9 I g i 2 _ v o _ e ITEM 3 450 470MHz 2 2 0 K R37 THROUGH R 1 1 OPT I ONAL RE 515T0R5 1_ _ C6 e e 9 I l _ __ t JUMPER 2 PLACES IF OPT ION AL RESISTORS NOT USE D Id i I C I t t ...

Page 46: ... 1 1S Tt 0 4 H I l t G I alt 5 77 fl 2 IOA JH 1 t a c C _ t a cvr ZOA2Sli7 4 Of NO T i EI CC I E D VA1 UC MO E C 2 10 lt MOll t OUMPIU S1 5 6 t OtNOl S CUP CORE COIL 1Cl400 l fOA 9t W OUl Uf 86VP P 15 llt OUtlU D At PIN Z 8 0 AEAQIN IS AT IICflt i_ lo J f Y f iiw z f 10 tCH LPf rto k C L Cl 7 j OJJ Tou aJ l f 1J_ 5i f i _ vP P AT 911 Nr wnrtt cw roR _ TOfilt PfN l c b Lei Lcz1 ti Too Ton Tti our u...

Page 47: ...OST 21118 002 Fil M r r r i r Ill o j u c r i l l 0 I f iio f f WK Ill 0 I 1 ci r I c co o a a er C I wr er ti ci a z t It 50 t I 1ulll 2 a N 8 ln i 0 N jt Ill L 0 _ z L N S g g Jin q lE cs 0 a Q t E USED ON SEE 92Cll 76 A MOS ELEY ABBO CIAT EB INC SA NTA BARBAR A RESEARC H PARK GO L ETA CALIFOR NIA 13017 COM PONE NT LAYO UT P S REGU LATOR RCVR TOL FR I CT 1 32 XX t 030 XXX 010 c 1 2 OWN I JAM l5S...

Page 48: ...0 4 A 10 3 ANO RI04 ONLY USEO IN PCL 101 1 co 0 0 1 w 11t C H f OST 1 c r t1NT H I 2 JIOI IN r _ 111 illCF l e b TIOI I 3 1 097 CRIOI C GRN I GRN_lYEL GRN I I I CRl02 CI03 1500 50V zl CI04 22 3S UIOI 78GUICl4 78 IA c_ RIOI I R103 20K IOOK CI05 RIOZ I 20 4700 I I I IIVOC OUT i _J voe IN l 1 c 02 1 2 20 ii t 1J d i t J ww 1 t Q oo 1 2 J 0 I u S Q 11 cal MD L V A DCIA T INC SANH UIAWA IUIA CN P UI CO...

Page 49: ...www SteamPoweredRadio Com 0 _ w 1 ...

Reviews: