RCA-Victor-Co-Inc-RADIOLA-46 电路原理图.pdf

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1、PAGE 464-A RADIOLA44 O O O II UY- 24 F GROUND LEAD AND ALL OTHER GROUND -CONNECTIONS ARE CONNECTED TO FRAME PILOT LAMP GANG CONDENSEFLS.44 4 1 MFD lr =I N=11 c:aO PC111. L/7- UY-224 2L R.F. UY-224 DET. A-.00005 MFD 0000ID .0000MFD5 R,E Of g II 3 -.25MFD. 0000 COUPLING REACTOR _71SMFD. 6 4 3 2 Schema

2、tic circuit diagram 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 PAGE i65-A Provision is made in Radiola 44 for supplying the field current toa dynamic loud- speaker the field of which has a rating of 300 volts, 40 milliamperes. Close the link b

3、etween terminals 7 and 8, Connect the loudspeaker field leads to terminals 7 or 8 (connected by link) and terminal No. 10. -GREEN TO VOLUME e? -CONTROL LOUD SPEAKER FIELD t ti N OUTPUT OF RECEIVER t;= -GREEN TO VOLUME Ae-CONTROL LINK CLOSED WHEN -11 LOUD SPEAKER 7 FIELD IS ENERGIZED 0 0 0 .006 MFD.

4、1.25 MFD 0 c 0 1100.n. 3600.n.900.rt2800.n. .25 MEG. (CARBON) MFD FILTER . REACTORS., OUTPUT CHOKE 2MED.2 MFD.2 MFD. 5 4 4 8 to 10.oi Red V.C. lead to 10cr 11 Arm of V.C. to red V.C. lead 2.6 A.C.2.5 A.C. 185 D.C.170 D.C. 70 D.C.60 D.0 195 D.C.180 D.C. 5.0 D.C.6 D.C. 330 D.C.* 330 D.C. 2.1 D.C. 2.1

5、D.C. 070 D.C. Heater voltage of Radiotrons UY-224 Plate voltage of Radiotrons Nos. 1 and 2 Screen grid voltage ofRadiotron No. 3 Plate voltage of Radiotron No. 3 Control grid voltage of Radiotron No. 3 Total D.C. output from rectifier Control grid voltage of Radiotrons Nos. 1 and 2 Screen grid volta

6、ge of Radiotrons Nes. 1 and 2 * This voltage is 320 when link is closed and dynamic type loudspeaker is used. 收音机爱 好者资料库 RadioFans.CN PAGE 1 6 7-A OPERATING SWITCH FILTER. REACTORS 110 VOLT TAP FILTER AND BY-PASS CONDENSERS, AND OUTPUT CONDENSER AND CHOKE POWER TRANSFORMER 11109 87654321 gCREHEWVERE

7、FE SOCKET POWER UNIT BLACK WITH YELLOW TRACER -Radiola 46 Radiotron sockets, socket power unit terminals and main assemblies 44 DET. CUX-112-A r. re 11 1.0 MFD CENTER TAPPED DETECTOR FILAMENT RESISTORses.n. Il A.F. TRANS ORMER. .G .0012MFD. PILOT LAMP PILOT LAMP) RESISTOR 4011. .4 -GROUND LEADS. (AL

8、L OTNER GROUND CONNECTIONS ARE CONNECTED TO FRAME) FIELD COIL OLUE-m01 sitoieCq2 MAROON -033 BLUE -004 BROW N-5 BLUE6 SLACK-mi3 7 GREEN-8 RED -0(9 rtuotr-6(t to saovnitt VOLUME CONTROL so,000.n. RCA VICTOR DIVISION OF RADIO CORPORATION OF AMERICA, CAMDENN.J., U. S.A. PAGE i70 -A 46(D.c) DISCON NECT

9、SWITCH A( ss OPERATING SWITCH INPUT PLUG SERIES FILAMENT RES ISTO irLnimi. num POSH- ULL INTER STAGE OUTPUTk TRANSFORMERS FILTER CONOEISELS CDT -BLACK GREEN RED AND GREEN BLACK ARGON RED AND GREEN GREEN BLUE MAROON AND RED ux112- SOCKET POWER UNIT LINE VOLTAGE REGULATING -SWITCH C TO FIELD REPRODUCE

10、R UNIT it RECEIVER ASSEMBLY UX-112-A SLACK IBLACKAND BROWN GREEN *C BATTERY -Complete layout and cable connections TO GROUND LOCAL -DISTANT SWITCH GREEN SHIELD- ILAC GREEN CG YELLOW BLACK TO ANTENNA 00000 Y -12 EXTERNAL C BATTERY 1190.n. 1 -BLACK GREEN RED BLACK -, -AL BLACK AND BROWN OUTPUT TRANSFO

11、RMER. IF? A.F UX-1I2-A 192512.4 00016 MFD. 2250 PLATE SUPPLY RESISTOR(R3) - 4 195.n. FIL.BY-PASS RE ISTOR. (R 2) C=1 PUSH PULL INTERSTAGE TRANSFORMER. 165.a n TAPPED FILAMENT BY-PASS RESISTOR(R2) 2.A .F. IN PUSH PULL 2UX-171-Its g -D 0 Pz C=R S O LINE VOLTAGE RESISTOR (RI) FILTER I61L16111611 28R =.

12、-. -_.-.REACTORS 115 2 0000.I -e-7,7;/ 1 200 fl - LINE VOLTAGE/ AZ no -o,_. REGULATING SWITCH 266.n. TOT:Irs. 2.0 MFD. 3.0 MFD. SERIES FILAMENT RESS.DRS ci,agra/rn of Rad:nia0.1 120A 3S. 4 125 Y PLUG TO 0.0 LINE (107.5 TO 127.5 vOit!, DISCONNECT SWITCH (SOME MODELS ONLY) R.F. LINE INDUCTOR(1.511) 0.5 MFD DOUBLE POLE D I SINGLE THROW OPERATING 0 5 MFD SWITCH Q110 RF_!21E huC,Ort