RCA-Victor-Co-Inc-M-34 电路原理图.pdf

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1、MANUAL OF MOST-OFTEN-NEEDED RADIO DIAGRAMS if k r* oct i SCA *01s I.F. 175 KC | JWO MMfOj j e =4= =4=c *% X- Tt Zi X C I* Jo s mto S it5 Mwra RCA Node 1 A-34 MAXIMUM VOLUME CONTROL SETTING NO SIGNAL Radiotron No. Cathode to Control Grid, Volte Cathode to Screen Grid* VolU Cathode to Plate, Volte Pla

2、te Current, M. A. 275 VolU PLATE TO PLATE60 M. A. TOTAL c*27 5-50 RfAMPL. 3HMFD. MMfa RCA 96 L C4 CS 5-90 MMFO.n MMrtJ. CT CIO CH OOCJina 9-395 C6 140-itO W-70 E0 NCA 2A7 MMfD, 1Z0WMFD. MMfO. MMFft 0LA57 Heater Volte tn ,mf*. at rtfo.i All GROUNOS TO CHA99I zs, CI9C70 0./f0; T(MOO INTERNAL CONNECTOR

3、S OF ENTER MCA C 12 e 720 / AMMO C 14 C I/ 140 tIO 10.70 14/4/0WM L.6,. I It A 2. 0E7L10 41.5 I RCA 615/, CI F 300 MMCO .02 POO R8 160,000 -Schematic Circuit C14 /0-220 WOO MIAOW INTERNAL CONNECTIONS OF I I.F. TRANSF rot.11 Wt. 91.5 MON ACn_A z0002po0 INTERNAL CONNECTIONS Of POWER TRANSF. WEN iFit v

4、flAOM0,fre. INTERNAL CONNECTIONS OFINTERNAL CONNECTIONS OF r. I.F. TRANSf.INT (WAGE TRAN Sf. Ugoe OtItOUT RCA 89 COOR11 3 ASO T1000 c 77 .003 mer. T3 500 INTERNAL CONNECTIONS OF RESISTOR BOARD L11 35 CO CO CO 收音机爱 好者资料库 RadioFans.CN PAGE 289-B M34 REPLACEMENT PARTS Insist on genuine factory tested p

5、arts, which are readily clentified andmay be purchased from authorized dealers Stock No.DESCRIPTION ListStock No. DESCRIPTION List RECEIVER ASSEMBLIES3758 Connector-For control box end of flexible drive shaft - 2240 Resistor -30,000 ohms-Carbon type -1 watt (RS) Package of 5 3218 Resistor -600 ohms-

6、Carbon type-A watt (R7)-Pack ge of 5 6161 6496 Knob-Station selector knob-P ack Shaft-Flexible drive shaft completege of S with connectors - 3572 Socket-Radiotron 7 -contact socket Approximately 24A long 3602Resistor -60.000 ohms-Carbon type-j4 watt (R1, R4, 6497 Shaft-Flexible drive shaft complete

7、with connectors- R10)-Package of 5 Standard length-Approximately 33A long 6499 Volume control-Combination volume control and switch 3616 Capacitor -300 mmfd. (C15. C18) (R8) 3617 Capacitor -0.005 mfd. (C21) 6500 Nut-Volume control and switch lock nut 3618 Capacitor -0.02 mfd. (C16) 6501Scale-Dial sc

8、ale 3619 Resistor -400,000 ohms-Carbon type-A watt (119)- 6531 Shaft-Flexible drive shaft complete with connectors- Package of 5 Approximately 1274 long 3621 Coil-Choke coil-Located on resistor board (L17) 6532 Shaft-Flexible drive shaft-Complete with connectorti- 3636 Transformer-First intermediate

9、 frequency transformer Approximately 1874 long (L7, L8, C14) 7602Box-Control plete. 3637 Transformer-Second intermediate frequency transformer (L9, LI0, C19) 7603 Cover-Control box cover 3641 Capacitor -0.1 mfd. (C8) MISCELLANEOUS PARTS 3644 Bracket-Condenser drive bracket and roller 3466Connector-A

10、ntenna lead-in connector 3645 Knob-Tone control knob-Package of 5 3646Fuse -20 amperes-Package of 5 3695 Capacitor -375 mmfd. (C24, C31) 3647 Nut-Cap nut and lock washer-Package of 10 3696 Capacitor -40 mmfd. (C9) 9648 Screw-No. 10-32-h cap screw and lockwasher-Pack 3738Resistor -1,000 ohms-Carbon t

11、ype -1 watt (R11)- age of 10 Package of 5 3689Bracket-Receiver mounting bracket, bolt and nut as - 3745 Capacitor -745 mmfd sembly-One set 3746Capacitor -800 mmfd 3791 Bushing and plate assembly-Flexible drive shaft hushing 3769 Resistor -750 ohms-Carbon type-S watt (R14) -Pack- age of 5 withplate,

12、mounting screws, rubber bushings, and washers-Located on main case 3790Mounting screwy washer, and hushing assembly-For 3.3827Cable-From fuse connector to ammeter gangvariabletuning condenser - Comprising three 3843 Cement-4-oz. bottle-For fastening stock No. 3801 spacers, three screws, three washer

13、s, and three lock wasbers 3856Clip-Spring clip-Cron/11sreceiverchassis tometal 3851Capacitor -790mmfd.(C12) housing-Package of 10 6135 Resistor -270 ohms-Carbon type-A watt (R3)- Pack- 3884Clamp-Cable clamp -Package age of S 6151 Suppressor -Spark plug suppressor 6186 Resistor -500,000 ohms-Carbon t

14、ype -34 watt (R6)- Package of S 6152 Suppressor-Distributor suppressor 6192 Spring-Tuning condenser drive cord tension spring- 6175 Suppressor-Distributor splice -in suppressor Package of 10 6194 Capacitor -Ammeter capacitor -0.5 mfd 6242 Resistor -2 megohms-Carbon type -34 watt(112)-6495Capacitor-G

15、enerator capacitor -0.5 mfd. Package of 5 6617 Lacquer-Touch-op lacquer (one pint of lacquer and one 6298 Cord-Tuning condenser drive cord-Package of 5 pint of thinner) 6471 Coil- Oscillator coil assembly (L5. L6) 6670 Suppressor-Spark plug suppressor-Elbow type 6488 Transformer-Interstage audio tra

16、nsformer (T2)7621 Antenna-Roof antenna-Paper type (Brown) 6489 Coil-Antenna coil (LI, L2)7622 Antenna-Roof antenna-Paper type (Gray) 6400Tone control switch 7645Housing-Rear section of housing complete with mounting 6492 Capacitor-Comprising one 3.6 mfd. and one 1.0 mfd.*Crews capacitors (C4, C13) 7

17、646Housing-Front section of housing complete with mounting 6493 Drum-Tuning condenser drive drumscrews 6513 Capacitor-Comprising two 5.0 mfd. capacitors (C17. C22). 6514 Capacitor-Comprising two 0.05 mfd. capacitors (Cl, CS). VIBRATOR ASSEMBLIES 6515 Cable-Shielded cable with antenna connector 3611S

18、pring-Busier spring and contact point-Package of 5. . 6516 Connector-Fuse connector3612Screw-B adjustment *crew and nut-Package of 10. 6517 Cable-Main cable complete with fuse connector3613 Spring-Main contact spring and contact point-Package 6540 Coil-R. F. coil assembly (L3, L4)of 4 7485 Socket-Ra

19、diotron 6 -contact socket304Resistor-SO ohms-Carbon type -34 watt (1112)-Pack- 7600 Filter park-Comprising one reactor, one choke coil, one age of 5 mfd., two 4.0 mfd. and one 375 mmfd. capacitors0.5(L13, L16, C25. C26, C29. C30) 3801 Cushion-Rubber damper cushion for vibrator base - Package of 2 76

20、01 Condenser -3 -gang variable tuning condenser 6478 Armature assembly-Comprising armature, contacts and 9130 Transformer-Power transformer (T1) springs-Aseembled 6479 Coll-Vibrator coil assembly (LIS) CONTROL BOX ASSEMBLIES6481Shield-Outer shield for vibrator assembly 3649 3650 Kev -Volume control

21、and switch key Screw-Self locking No. 10-32- !undo point set screw -Package of 10 6482 6577 Shield-Inner shield for vibrator assembly Capacitor and base assembly-Comprising vibrator base and two 0.04 mfd. capacitors (C27, C28) 3651Screw-Self locking No. 10-32-4 cupped point set screw 6765Support-Bak

22、elite support -Package of 10 7604Vibrator-Vibrator assembly complete 3652Screw-Self locking No. 10-32-34 cupped point set screw -For flexible drive shaft-Package of 10 REPRODUCER ASSEMBLIES 3690 Strap and bracket assembly-Comprising one bracket, two3688Transformer-Output transformer (T3) screws, one lockwasher and one strap 7607Screen-Metal *croon 3718Bracket-Control box dash mounting bracket 7608Coil assembly-Comprising field coil, magnet and cone 3757 Coupling-Slotted coupling for end of flexible drive shaft- support (L14) Package of 5 9023Cone-Reproducer eons complete (L11)-Package of 5.