RCA-Victor-Co-Inc-7-11 电路原理图.pdf

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1、PAGE 7i-A RADIOLA 18 VICTOR 7-11, 7-26 & 9-16 RCA Radiola 18 The Radiola is de- signed for operation on 105 to 125 volts, 50 to 60 cycles, alternating current, and consumes approxi- mately 40 watts.It is also available with a special power unit for operation on 105 to 125 volts, 25 to 40 cycles. MX

2、-171-AMX2211MY -227UX-224MX226 11 UX-226 B 7 S 4 3 2 1,o1 Radiotron socket contacts. UX-2150 POWER. TRANSFORMER OUTPUT CONDENSER. AND CHOKE AND FILTER. CONDENSERS FILTER. REACTOR To reach the adjusting screw of the compensating condenser, break the brown paper seal and insert the screw -driver throu

3、gh the hole at the bottom of the tuning condenser assembly. With the volume control at maximum intensity, turn this screw to the right until the Radiola goes into oscillation. Then turn the screw to the left until all oscillation and any howl is eliminated, with the volume control at maximum. In som

4、e cases it will be necessary to interchange the Radiotrons UX-226 in the R.F. stages before the proper adjustment is found.This is the correct adjustment to obtain maximum sensitivity and tone quality in the operation of Radiola 18. 110 VOLTS, A. C. RED AND MAROON RED BLACK WITH GREEN TRACER SOCKET

5、POWER UNIT GREEN BLUE IIACR ims YELLOW TRACER fMlfCl Socket Power Unit Terminals Internal connections of condensers. 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 7 2 -A RADIOLA 18 VICTOR 7-11, 7-26 & 9-16 US -226 3 GANG C0.43t.1554-A, UX226

6、 c=v O O 0 o6=v U5.226 O o=a UX226UX171-A 0 0 5 SAITO MIER 1 950 OUTPUT 610 5 910 Lis SILOLAMP T -O MAZDA 6V 015 AMP 5 0 v I MOD 2255 5/ RADIOLA113 & 7-11 .TERMINAL STAIR Schematic diagram of receiver and socket power unit. TERMINALSCORRECT VOLTAGE 1 to 21.5A.C. 3 to 42.25 A.C. 5 to 65.0A.C. 7 to 91

7、45 D.C. 8 to 9165 D.C. Agerft. GRWMD 15251/11 to,15.5 a, a U, 274 P/Ill.1.telFattiferAtato uscl U15,kg LINE /OCTAL ADJLSTM SWITCH. 1101 110110 01MRAT,MG SWITCH The Radiola used in the 7-26 differs slightly from that of the 7-11 in that it has a terminal strip of three connectors at the left end of t

8、he set when facing the front. Two of these are connected to the primary of the first audio frequency transformer, one to the tapped portion and the other to the end. The third terminal is connected to the UY-227 plate resistor. ai a rev, /vi r Cie FRAME v.la, .m=D 0 I,C5r5 co ,155 1.6 I7C-2: 54 r, f

9、eCcoND 1,30,0el 5 54 do.,(5r II ed117 1/ 107 114 5 PI)- .0.06Kr. /00 if Cour IRO Pare, Wiring Diagram Electrola Radiola 7-26 IIRRnr 7-26 Above Serial No. 12000 收音机爱 好者资料库 RadioFans.CN MOTOR SWITCH RUE COMPARTMENT LIM BROWN TRANSFER SWITCH GREEN RED PAGE 73-A RADIOLA 18 VIGTOR 7-11, 7-26 & 9-16 RECOR

10、D VOLUME CONTROL COMPARTMENT LIGHT SWITCH INDUCTION DISC MOTOR BLACK BROWN HACK WITH SLUE TRACER RADIOLA III EfF1 111 OPERATING LIGHT SLACK REPRODUCING UNIT BLACK WITHIROWN TRACER VOLTAGE SWITCH GREEN ,BW ROM POWER SWITCH BROWN MACE WITH BROWN TRACER SPORN 01 2 P3 .4 PORN 110 VOLTS. A. C. - -C PLATE

11、 171A -17511 Ft 401.171A FOXIT 227 .6FRI.-UK 226 BLACK WITH GREEN TRACER RED RED AND MAROON GREEN BLUE SLACK WITH YELLOW TRACER Cable Wiring Diagram Electrola Radiola No. 7-26 L_ _ MN IMMIX COWIN VI 1X 100 gm. 1011 1/11111 JIM/ 1411 11.1.1 Al TEN 111 211 auLaNM- 111.11111711 I r Z11.1Illf 1111111 -1

12、11111 4 IX SIC VIII 111 111CL-1 IL14 Sill SNIP TRACES-1I 111Y1,11111111 XXII- KATI 11 Yll Ian 11111111 111111 11110 V The Victor Radiola 18 used in the model 9-16 is similar to that used in the 7-11 and the 7-26, but is modified for power -amplifier operation.Three stages of tuned radio frequency am

13、plification are used with the Radiotrons UX-226, and a detector with the UY-227. The two stages of audio ampli- fication are used inthe power -amplifier unit, AP -736-B. PLATESLACK WITN OWN TRACER P.S.11111111 -ICBLACK WITN GAIN TRACER -I SLACK WIN III TRACER LINE MAINIM *1351 KO AND NISSAN FILAMENT

14、 NE 221 KAU MIN YELLOW TRACES DEMENT OYU)11.11E 41,0C111. 17, 0111.111111r1_11.11.11 %Minh Omummei SBIZZIP rAIMIMPIOPAIAMINVi -Terminal Strip of Power Amplifier Unit AP-736-B-showing proper voltages across various terminals. 1 . 175 aRED FIR.Ul 726TRACK -YELLOW TRACERix:fir FILAMENT UT 227 KU I L -B

15、 BLACK- RED TRACER -9C BLACK -GREEN TRACER 1111111 PLATE UT 777BROWN -WHITE TRACER 1111/1119. a NT .t-lAtt.:41.: 11NUM CONTROLRACIOLIL 11 SPECIAL Sir mosso g 1 0 L.!1: 06 111110111i1111ilf witmoird211 RADIO PILOT LIGHT 00 g 1. Radiola Sockets and Terminal Strip 11DI Al c. -9-4,t-0wmr III II MI 111.M

16、 ISM 401 #L 4T1 MX( CUP INA in To 1111 4n Sill10225 111X MN 111 MACESMACESIILX11 gem COCCI -I TILACIIIt 111111111 -WARR a W as 1111I111 -o-AL 101 K1.*1M 1m11e112 NACU XXX I(4 ue MU. 100111 31,1,11 1.r L 1lf1XIX 1X14/ /11C1 MN 11011 11A111111111 - 1311101,P111 Wiring Diagram Electrola Radiola 9-16 收音机爱 好者资料库 RadioFans.CN