RCA-Victor-Co-Inc-5BT 电路原理图.pdf

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1、AUDIO TRANS J c.BAT T ERY OuCCTWit, CY PAGE 21.-B Five -Tube, Single -Band, Battery -Operated CG OSC.CJ ANT 610000 610000 Is DF T 28299 40SC.FTRA145 ANT COIL CS OSC 6L04c, COI DRIVER, Z. DET Ani0 44AVC L I F TRAK ,L6 abOIC LB 460 X_C Radiotron, Coil, and Trimmer Locations Electrical SpeciFications M

2、ODEL 5BT MODEL 513T FREQUENCY RANGE 530.1,800 kcALIGNMENT FREQUENCIES 600 kc (osc.), 1,500 kc (osc., ant.) Intermediate Frequency 460 kc RADIOTRON COMPLEMENT (1) RCA -1A6First Detector-Oscillator (2) RCA -1A4Intermediate Amplifier (3) RCA -1F6 . Second Detector-A. F.-A.V.C. (4) RCA -30Audio Driver (

3、5) RCA -19Power Output Pilot Lamp (1) Mazda 2.0 volts, .06 ampere, miniature screw base BATTERIES REQUIRED A, one plug-in 21/2 -volt Air -cell (heavy duty), or one 2 -volt storage battery; B, three 45 -volt B batteries (heavy duty); C one 71/2 -volt C battery and two bias cells (Stock No. 12681) CUR

4、RENT CONSUMPTION A at 2 volts 0.54 amp. B at 135 volts 18 ma. Fuse Rating 1/2 ampere POWER OUTPUT (135 volts B Battery) Undistorted 1.3watts Maximum 2.2watts LOUDSPEAKER (Permanent -Magnet Dynamic) Impedance (V. C.) 2.2 ohms at 400 cycles Alignment Procedure With tuning condenser fully meshed, set d

5、ial so that pointer coincides with 530 calibration. STEP CONNECT HIGH SIDE OF TEST OSC. TO - TUNE TEST OSC TO - TURN RADIO DIAL TO ADJUST THE FOLLOWI1,G FOR MAX. OUTPUT 1 I -F Grid in series with 0.01 mfd 460 kc Quiet Point near 600 kc L8, L7 2nd I -F Trans. 2 1st Det.Grid In series with 0.01red L6,

6、 L5 1st I -F Trans. 3 Antenna in series with 200 ram fd 1500 kc1500 kc C6, C3 Osc. Ant. 4 600 kc600 kc IA L -F Osc. Rock Gang 5 Repeat Step 3 Power Supply Filament voltage for this receiver is obtained from either a 21/2 -volt Air -cell or a 2 -volt storage battery. When the Air -cell is used, the 0

7、.43 ohm resistor R10 must be connected in series with the A -battery lead When operating on a 2 -volt storage battery, this resistor R10 should be removed. RCAVICTOR DIVISION OF RADIO CORPORATION OF AMERICA, CAMDEN N. J., U. S. A. 收音机爱 好者资料库 RadioFans.CN PAGE 22-B 5BT IC OTT. MK. V:. 104 Ito TR 01 E

8、D. .Mr. 116 170,0DT 11* SETTER SO To:a. ce 011.11T Loudspeaker Wiring cn Schematic Circuit Diagram ay. OUTPUT I .OTT1.100,1T OR MSS. -sr NI (Av.) ( oiv:9 1.,n - IV!) NV.0V.1.1.10 TR1.011. I) A, AUDIO.iTTT 4A.M. E. ITTDIVC-I (1:3 17 . IFSLT 440 NC OSE COE O Nvvery eV.) -41,L1115N4(-ZV*) bonoT ETT)NeA

9、suat- T t 1. T0.5 o NEVER MEASURE UNDER ORDINARY CONDITIONS -SEE TEST. Radiotron Socket Voltages, Coil, and Trimmer Locations Measured with all batteries at normal vol tage-Tuned to approximately 1,000 kc- No signal being received -Volume control optional CAUTION: Do not attempt to measure voltages

10、on control grids of RCA -1A6 or RCA -1A4, with any con- ventional voltmeter, due to presence of bias cells.See Caution under Service data for method of measur- ing these cells. Note:Two voltage values are shown for some read- ings.The higher value shown in parenthesis with as- terisk () indicates op

11、erating conditions without volt- meter loading. 11i1 7,11501 5 mu. 00.11 POP LOW it.t.ncl 0.400 vw .am num. mom. TRANSF.CONNECTIONS t.S. CtO I.F. TRANSF. CONNECTIONS C13 -too., 374. -OREM AE Itt_Rt.te,an AUDIO TRANSFORMER PACK Radiotron Plate Current Readings Measured withMilliammeter Connectedat Tu

12、be SocketPlate Terminals under Conditions Similar to Those of Voltage Measurements (1) RCA -1A6 -1st. Det.2.26 ma. -Osc.1.86 ma. (2) RCA-1A4-I.F.3.6ma. (3) RCA -1F6 -2nd Det.-A.F.-A.V.C. 0.3ma. (4) RCA-30-Driver3.8ma. (5) RCA-49-Output2.8ma.* (Total plate current.) 收音机爱 好者资料库 RadioFans.CN PAGE 23-B

13、REPLACEMENT PARTS 5BT Insist on genuine factory tested parts, which are readily identified and may be purchased from authorized dealers. Stock No. DESCRIPTION ListStoNo.ck DESCRIPTION List RECEIVER ASSEMBLIES 12009Resistor -68,000 ohms, carbon type,1/4 13216 Board-Antenna and groundterminal watt-Pac

14、kage of 5 (R1) board 11323Resistor -270,000 ohms, carbon type, 1/4 12717 4289 Board-Phonograph terminal board . Body-Female section of fuse holder- 12200 watt-Package of 5 (R8) Resistor -1 meg., insulated,1/4watt- Package of 10 Package of 5 (R6, R9) 4286 Bushing-Bushing and ferrule assembly for fuse

15、 holder-Package of 10 11626Resistor -2.2 meg., carbon type, 4 watt -Package of 5 (R4, R7) 13217 Cable-Battery cable complete with four 13296Shield-Coil shield for coil Stock Nos. 2 -contact male connectors, fuse holder 13293 and 13294 and fuse 12008Shield-First or second I. F. transformer 4288Cap-Ma

16、le sectionoffuse holder - Package of 10 12607 shield Shield-First I. F. transformer shield top 12629 Capacitor -56 Mmfd. (C10) 12581Shield-Second I.F. transformer shield 12404 Capacitor -120 Mmfd. (C9, C11, C12) top 12724 Capacitor -120 Mmfd. (C14, C17) 3682Shield -1A4,1A6,or1F6Radiotron 12406 Capac

17、itor -180 Mmfd. (C13) shield 13297 Capacitor -415 Mmfd. (C4) 8098Socket-Dial lamp socket 5107 Capacitor-.0025 Mfd. (C15, C19, C20) 4794Socket -4 -contact 1A4 or 30 Radiotron 5005 Capacitor-.0035 Mfd. (C18, C22) 4786 socket Socket -6 -contact 1A6, 1F6 or 19 Radio - 4841 Capacitor -0.1 Mfd. (C1, C16)

18、tron socket 4840Capacitor -0.25 Mfd. (C7) 12007Spring-Retaining spring for core, Stock 13295 Capacitor Pack-Comprising one 4 mfd. No. 12006-Package of 10 and one 8 mfd. sections (C8, C21) 4284Spring-Spring for female section fuse 13293 Coil-Antenna coil with shield (LI, L2) holder-Package of 10 1329

19、4 Coil-Oscillator coil with shield (L3, L4)12803Transformer-Audiotransformerpack 13212Condenser -2 -gang variable tuning con- (T1, T2) denser (C2, C3, C5, C6) 12801Transformer-FirstI.F.transformer 12828 Connector -2 -contact male connector for (L5, L6, C9, C10) cable, Stock No. 13217 12802Transforme

20、r-Second I.F. transformer 12827 Connector -2 -contact and guide pin male (L7, L8, C11, C12, C13, R3) connector for cable Stock No. 13217 13214Volume control and power switch (R5, 5119Connector -3 -contactfemale connector SI, S2) for speaker cable 4285Washer-Insulating washer forfemale 12006Core-Adju

21、stable core and stud assem- bly for Stock Nos. 12801 and 12802 section of fuse holder-Package of 10 12681Cell-Bias cell REPRODUCER ASSEMBLIES 13391Dial-Station selector dial scale 12642Cone-Reproducer cone and dust cap 3748Fuse-% ampere-Package of 5 (Fl) 5118Plug -3 -contact male connector for re -

22、13215Holder-Bias cell holder 9712 producer Reproducer-Complete 13213Indicator-Stationselectorinthcator pointer MISCELLANEOUS ASSEMBLIES 4290Insulator-Insulator for female section of fuse holders-Package of 10 12638Knob-Station selector control knob- Package of 5 4348Lamp-Dial lamp 11347Knob-Volume c

23、ontrol knob-Package 13298Resistor-Flexibletype,0.43chm- of 5 Package of 5 (R10) 11377Screw-Chassis mounting screw assem- 11305Resistor -22,000 ohms, carbon type,V4bly-Package of 4 watt-Package of 5 (R2)11349 Spring-Retainingspringforknob, 11282Resistor -56,000 ohms, carbon type, 1/10 watt-Package of 5 (R3) Stock Nos. 11347 and 12638-Package of 5 收音机爱 好者资料库 RadioFans.CN