RCA-Victor-Co-Inc-5M 电路原理图.pdf

《RCA-Victor-Co-Inc-5M 电路原理图.pdf》由会员分享，可在线阅读，更多相关《RCA-Victor-Co-Inc-5M 电路原理图.pdf（11页珍藏版）》请在收音机爱好者资料库上搜索。

1、PAGE 24-B MODEL 5M Five -Tube Automobile Receiver MODEL 5M Z-*IF.TRANSF PRIMARYADJ. I.F.TRANSF SETONDARI ADJ 28253 Radiotron, Coil, and Electrical Specifications RADIOTRON COMPLEMENT (1) RCA -6D6Radio Frequency Amplifier (2) RCA -6A8First Detector -Oscillator CiZ OUTPUT, 4.1.0SC. 600SC. _c13 ose. R.

2、F. -C4 ANT. St4-631 Trimmer Locations (3) RCA -6K7Intermediate Amplifier (4) RCA-6B7.Second Det., A -F Amp., and A.V.C. (5) RCA -42Power Output Tuning Range 540 to 1,600 kc. OUTPUT RATING Maximum4 Watts Undistorted2 25 Watts POWER RATING LOUDSPEAKER TypeElectrodynamic Impedance (V. C.)3 Ohms at 400

3、Cycles Supply Voltage 6 3 Volts (Storage Battery) Current Drain 6 5 Amperes at 6.3 Volts Fuse Protection 15 Amperes Pilot Lamp Mazda No. 44, 6.3 Volts Alignment Procedure With tuning condenser fully meshed set dial so that pointer coincides with end calibration beyond 55 on dial scale.Reset dial on

4、known station near 1000 kc after 1,ns tallation. STEP CONNECT NICE SIDE OF TEST OSC. TO - TUNE TEST OSC TO - TURN RADIO DIAL TO ADJUST THE FOLLOWING FOR MAX. OUIPUT 1 I -F Grid in series with 0.01 mfd 2 1st Det. Grid In series with 0.01 mfd 260 kc Quiet point near ao L11L10 2nd I -F Trans. L9L8 1st

5、I -F Trans. 3 4 5 Antenna In series with 175 mmfd (See Note below) 1400 kc140 C13C9 C4 Osc.R -FAnt. 600 kc60 C12L -F Osc. (Rock Gang) Repeat Step 3 NOTE: Use 1000 zlifd for those receiversin which C3 has been changed iron 0.0/fd to 500 zzfd A capacitor of 50 to 60 wild should be con- nected frogs an

6、tenna to chassis during 1? -F alignment. With auto antenna connected to receiver adjust CI, (antenna) for naxiwtoutput on weak station near Ilionke. NOTE: For r -f alignment of receivers in which the tubular paper condenser C-3 (.01 mfd.) has been replaced by the small molded condenser, 500 mmfd. (c

7、hange easily identified by reference to Figure 2 and bottom of chas- sis), use a .001 mfd. capacitor instead of the 175 mmfd. capacitor in series with the antenna lead and test oscillator. There shouuld be a shunt capacitor of 50or 60 mmfd. from the antenna lead at the receiver to ground. NOTE: The

8、antenna coil has a molded core which is adjusted at the factory for the correct in- ductance.This adjustment should not be disturbed. RCA VICTOR DIVISION OF RADIO CORPORATION OF AMERICA, CAMDEN N. J., U. S. A. 收音机爱 好者资料库 RadioFans.CN Atka. 15 SRC) ry L3 8 Ot CHF 1 0 C2C316 22.011400 SPARKMMFMFD. MMF

9、. PLATEiti2 36 ! rl 33- - CA. rr ANT. FILTER DET. OSO.5 6A8 /,W CR 300-700: 1.11:; a Owes. O C L48e C 76 so. 19 3-19 111 =265 C7 2200 MME C10 0.1 MFD. 11 LF. 6K7 L 611;( MMF Cu.7. 82. .C2 C 3-19 Mir LI momMFD. 4 R7 6130 n !RR 470, - Pt 70, 0004 ,Ore 0 PILOT LAMP .A. FUSE HOT 15 AMP SI A GROUND -j_ r

10、 R4 470,000n vVvv C42 -won.- 0.25 MFD. RS TO= 47,0004 HEATERS- SP,FIELD r 07)0 L16 4. -111- 121 50 M MF. 12.1 L10 CI90b C20 -115 QQt MMFOg MMF. 115 0 CA 221.9 41,0004 123 Lit.n0F. R10 250, 000 A R8 12441,0004 .015 T MFD. RE 470,000 I140 .007 I MFD. VDET.-A.V.C. 6B7 AUDIO 1127C28 400Al MMF. MFD R13 1

11、.5 nee. 138 I-0% C39 Irt2AZ). T1 1_15 C45144C43 1 1000 0.5 MMF.MVO. SPARK I PLATE L L 0.1 fffff 141 L140.5 0 MFD. NOTE: Certain models of 1936 automobiles are equipped with high -capacitancetype (400 mmfd. or greater)built-in. antennas. The 1936 models of Dodge, De Soto, and Chrysler are ex- amples

12、of automobiles so equipped. Installation of receiver in automobiles with such high -capacity antennas necessitates the following modification of the antenna circuit of the receiver to suit the char- acteristics of the antenna installation: Remove the tubular paper -covered capacitor C-3 (.01 mfd.),

13、Figure and replace with the small molded type capacitor (500 mmfd.) furnished with Escutcheon Kit for respective model of automobile. r Cl lio 3R21 i 4. n. . SI 56 4 zR22 137 .01 MFD. 136 .01 MFD. vvvv R11 5600n R12 10,00114 125 10 MED OUTPUT 42 -.20R,0105 10, iO3/0,000 1.14 10 MFD 1.5 MEG.130R19 0.

14、25. 5604 o 14F0. 33,000, iLc2siN: 1 0.1 ME .1R17 T2 11-6 131 .005 MFD. 1320 .035 Mi c:d R20 100,000 VIBRATOR UNIT L13 56.n. ft 16000 280.- 6. 135C34 2 000 MMF. 8 = , _IT-70441-4 Schematic Circuit Diagram _LC33 = BMFD. -at Le- -.DAIL.pa-Wow.Ai.- E x,- C47 265 NAME. 70 HEATER P*5 ,C,= VIBRATOR CONNECT

15、IONS VIBRATOR TRANSF. SERVICE HINTS -on no - OUTPUT TRANSF 1,7 Tp,f. Howl when tunedto,or tuningin, astationisgenerally correctable by loosening the screws supporting gang tuning CAPACITOR PACK condenser to provide increased flexibility. 收音机爱 好者资料库 RadioFans.CN PAGE 26-B 5M , CONNECT CATHODE-RAY BET

16、WEEN THIS TERMINAL. AND CHASSIS 2i5V262V.ttr -66V.*it SECONDARY ADJ. / VIBRATOR 1 r- II16V.i I 6V 6 0 I 3y* I I ID 0 I0V. i,IL 0 _j I/, 1 5 a 1112v4 L I1- ei - - -j I 0 LI1 B 0260 K.C. - eOUTPUTL - - -2DET-A.v.C. 2- IETR ANSE 42&AUDIOr- - - - 195V. - 1 0.,8137 -18V- 1 I0 e- C.G. Cr-63V- -.- -0 V - -

17、 -1 12V 6V. 0 (.70-2.6 V.-1- C12 Ir -1- (z0 -/-7)C.G. GOO K.C. 1 0 0 (_6,. I CW. I LE OV. I- - -6K7 r / 1t3,13V 6V. 195V.-15V.* PRIMARY AO.). / I _ / - 275V- -1- i E1:.E.T. CAP. SW632 CA/1 .1 .#0.-1-/II I.-.- 195V.t.z.cr.-i0 G6V. 63V.1/ LC _G.- 0.6- - _t_ _J k L8 0._ 260 K.C. - 1.-T- DET. 840SC. R.F

18、. -JGA8 ,- 606 .-) r . CCS. - 63V.r- - 1 I II I 195V., W.3.8V. I 1 I6Z._I0 V. Iit1 ,1ST. -I RII 19 -1 i 262V 4 I. F. TRANS F. 5V. I I 1 i * THIS VALUE MAY VARY APPRECIABLY. VOLUME CONTROL AT MINIMUM SETTING BOTTOM VIEW OF CHASSIS Radiotron Socket Voltages and Trimmer Locations (Measured at 6.3 volts

19、 battery supply-Volume Control Maximum-No Signal) First Production (Serial Nos. below 200,000) On the first production receivers, two types of variable condensers are used. These condensers differ only in the method of mounting the drive gear. Stock Nos. 12221 and 12222 gears are used only with the

20、tun- ing condenser not having a tapped shaft.The gears for the condenser with a tapped shaft are: Stock No.Description 13145Gear -Variable tuning condenser shaft drive gear for use on tuning condenser with tapped shaft 13146Gear -Variable tuning condenser worm -for use with drive gear Stock No. 1314

21、5 only Second Production Receivers (Serial Nos. 200,000 and above) employed a tuning drive mechanism with e tuning drive ratio of 16 to 1.The follow- ing parts ere applicable to these receivers: 13371Condenser-3-gang variable tuning condenser (16 to 1 ratio) 13372Gear -Variable tuning condenser shaf

22、t drive gear for Stock No. 13371 13373 Gear -Variable tuning condenser worm gear and mount- ing bracket for use with drive gear Stock No. 13372. 13414Box -Control box complete less flexible shafts . 收音机爱 好者资料库 RadioFans.CN PAGE 27-B 5M L12. VOICE COIL L16 FIELD COIL Loudspeaker Schematic and Wiring

23、REPLACEMENT PARTS Insist on genuine factory tested parts, which are readily identified and may be purchased from authorized dealers Stock No. DESCRIPTION Stoco.k N DESCRIPTION RECEIVER ASSEMBLIES 12239 Filter-Antenna filter-(L1, L2, C2). 12511Cap-Grid contact cap-Package of 5 12221 Gear-Variable tun

24、ing condenser shaft 11130 11289 Capacitor-Adjustable capacitor-(C12) Capacitor -50 Mmfd.-(C21) 12222 drive gear (without tapped shaft). Gear-Variable tuning condenser worm 12270Capacitor -80 Mmfd.-(C15) gear (use with No. 1=21 only) 11998Capacitor -115 Mmfd.-(C16, C17, C19, 12242 Guide-Station selec

25、tor shaft guide C20) 12483Pin-Contact pinfor speaker leads - 12725Capacitor -150 Mmfd-(C23) Package of 5 11181Capacitor -265 Mmfd.-(C11, C46, C475 12485Pin-Contact pin for tone control lead - 12761Capacitor-W.5 Mmfd.-(C22) Package of 5 11171Capacitor -400 Mmfd.-(C27) 12232Reactor-Filterreactor-iron

26、core - 12762Capacitor -1,000 Mmfd.-(C35, C44) 5034 (L13) Resistor -56 ohm-carbon type, 1/2 watt 12268Capacitor -1,400 Mmfd.-(C6) -(R21, R22)-Package of 5 12269Capacitor -2,200 Mmfd.-(C7) 12512Resistor -470 ohm-insulated, % watt - 5148Capacitor-.007 Mfd.-(C38, C40) (R2)-Package of 5 4838Capacitor-.00

27、5 Mfd.-(C31) 11845Resistor -560 ohm-carbon type, 1 watt 4858Capacitor-.01 Mfd.-(C3, C28) -(R19)-Package of 5 11315Capacitor-.015 Mfd.-(C24) 12262 Resistor -680 ohm-insulated, % watt - 5196Capacitor-.035 Mfd.-(C32) (R7)-Package of 5 4836Capacitor-.05 Mfd.-(C18) 8097 Resistor -5,600 ohm-carbon type, 2

28、 watt 4839Capacitor -0.1 Mfd.-(C26) -(R11) 4841Capacitor -0.1 Mfd.-(C10) 12288Resistor -10,000 ohm-insulated, % watt 12237Capacitor-.25 Mfd.-(C39, C42) -(R12)-Package of 5 12484Capacitor-.25 Mfd.-(C30) 12454Resistor -33,000 ohm-insulated, % watt 5019Capacitor -0.5 Mfd.-(C41) -(R17)-Package of 5 1223

29、4Capacitor -8 Mfd.-(C34) 5132Resistor -47,000 ohm-carbon type, 1/10 12233Capacitor Pack-Comprising 2 sections watt-(R8, R9)-Package of 5 each, .01 Mfd.-(C36, C37) 12073Resistor -47,000 ohm-carbon type, 1 12238Capacitor Pack-Comprising one 8 Mfd. watt-(R5)-Package of 5 and two 10 Mfd. sections-(C25,

30、C29, C33) 12286Resistor -56,000 ohm-insulated, % watt -(R3) -Package of 5 12223Coil-Antenna coil-(L3) 12455Resistor -120,000 ohm-insulated, % watt 12235Coil-Choke coil-(L14) -(R15)-Package of 5 12225Coil-Oscillator coil-(L6, L7) 12452Resistor -330,000ohm-insulated, % 12224Coil-R. F. coil-(L4, L5) wa

31、tt-(R18)-Package of 5 12220Condenser -3 -gang variable tuning con- denser-(C4, C5, C8, C9, C13, C14) 11452Resistor -470,000 ohm-carbon type, 1/10 watt-(R4, R6)-Package of 5 12006Cone-Adjustable core for I.F.trans- former Stock No. 12228 and No. 12229 12285Resistor -470,000 ohm-insulated, % watt -(R1

32、)-Package of 5 12289 Coupling-Station selector flexible shaft coupling 12200Resistor -1 megohm-insulated, % watt -(R16)-Package of 5 PAGE 28-B 5M REPLACEMENT PARTS (Continued) Stock No. DESCRIPTION StockNo DESCRIPTION 12287Resistor -1.5megohm-insulated, IA 12509Button-Plug button for receiver housin

33、g watt-(R13, R14)-Package of 512444Cable-Shielded antenna cable, approx. 3584Ring-Retaining ring for R. F. or .oecil- lator coil-Package of 5 8 in. long, complete with female section of connector 5129Ring-Radiotron shield ring-Package of 5 12473Cable-Shielded antenna lead-incable, approx. 31in. long

34、, complete with 2 3623Shield-R. F. or oscillator coil shield .male sections of connector 12290Shield-Radiotron shield4288Cap-Male connector cap for A lead 4786Socket -6 -contact 6D6 or 42 Radiotronor antenna cable-Package of 10 socket5025Capacitor-Generator capacitor 4787Socket -7 -contact 6B7 Radio

35、tron socket4293Capacitor-Ammeter capacitor 12227Socket -8 -contact 6A8 or 6K7 Radiotron11418Capacitor-.5 Mfd.-(C43) socket4291Clip-A lead ammeter clip-Package 12241Socket-Vibrator socketof 10 12226Stud-Variable tuning condenser mount- 12443Cover-Receiver housing top cover ing stud assembly-Package o

36、f 4.12442 Cover-Receiver housing bottom cover 12228Transformer-First I.F. transformer-assembly (L8, L9, C16, C17, R4, R6)12247Fastener-Receiver housing topcover 12364Transformer-Output transformer-(T2) fastener-Package of 10 12229Transformer-Second I.F. transformer -(L10, L11, C19, C20, C22, R9) 428

37、6Ferrule-Antenna cable or A lead con- nector ferrule and bushing-Package 12231Transformer-Vibratorpowertrans-of 10 former-(T1)5023Fuse-A lead fuse -15 amp.-Package 12236Vibrator-Vibrator completeof 5 12365Volume Control-(R10)12449Grille-Speaker grille assembly 12441Housing-Receiver housing complete

38、CONTROL BOX AND FLEXIBLE 4290Insulator-Fuseconnectorinsulator- SHAFT ASSEMBLIES Package of 10 12505Box-Control box complete-lessflex- ible shafts 4323Knob-Tone control knob-Package of 5 12578Dial-Stationselectorindicatordial (standard) 12445Lead-A lead (set end), approx. 8 in. long, complete with ma

39、le section of 12579Knob-Stationselector(tuning)knob connector (standard) 12501Plate-Name plate and mounting screws 12580Knob-Volume control knob (standard) mountingassembly - 11891Lamp-Control box dial lamp-Package of 5 Comprising 1 screw, 1 nut, and 1 lock - washer to mount speakerincase - 12504Sha

40、ft-Tuning control flexible shaft corn- Package of 4 plete, approx. 211/2 in. long 12252Screw-No. 8self -tappinghex,head 12503Shaft-Volumecontrolflexibleshaft complete, approx. 21% in. long screw-usedonreceiverhousing- Package of 10 REPRODUCER ASSEMBLIES 12248Socket -3 -contact socket and bracket as

41、- sembly for reproducer cable 12482Board-Reproducer terminal board 12502Socket-Pin socket and bracket assembly for tone control lead 12450Coil-Field coil-(L16) 4284Spring-Antenna cable connector spring 12451Cone-Reproducer cone complete-(L12) -Package of 10 9687Reproducer-Reproducer complete 12448St

42、ud-Receiver mounting stud assembly MISCELLANEOUS ASSEMBLIES -Comprising 1 stud, 1 washer, 1 lock - washer and 1 nut 4287Body-Antenna cable female connector5024Suppressor-Distributor suppressor body-Package of 1012249Tone Control-(R20) 4289Body-A lead fuse connector body- Package of 10 4285Washer-Ant

43、enna cable connector insu- lating washer-Package of 10 The following parts are additional to those listed for Model 5M. Control Box Assemblies 13147 Gear -Pinion gear and slotted shaft assembly . . 13452 Switch-On-off operating switch Miscellaneous Assemblies 13006 Sleeve -Tuning or volume control flexible shaft sleeve