RCA-Victor-Co-Inc-RADIOLA-32 电路原理图.pdf

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1、PAGE 131.-A Kig/ack RADIOLA32 RCA Radiola 32 is a complete, self contained socket power radio broadcast receiver of the super -heterodyne type.Essentially it consists of the well known RCA Radiola 28 and RCA Londsp-aker Model 104 com biped in a de luxe cabinet 10 PCT.In I.F. LOOP f Firr4r- 2.0 PET R

2、ADIO FREQUENCY (*BANAL) CURRENT LOCAL OSCILLATOR FREQUENCY CURRENT INTERMEDIATE FREQUENCY CURRENT AUDIO rREOUENCY CURRENT Radiotron sequence and path of the differert currents VOLTAGE READINGS OF RADIOLA 32 Taken at Catacomb Terminal Strip- -Count Terminals from Left to Right When Facing Front of Ra

3、diola 32 TerminalsCorrect Effect 1 to 21 1 to 10 10 to 11 Should measure 31 volts normally with all Radiotrons lit and battery setting near Off.Positive terminal of voltmeter on No. 1. Should measure 21.5 volts normally.Posi- tive terminal of voltmeter on No. 10. Should measure 41 volts normally.Pos

4、i- tive terminal of voltmeter on No. 11. PPIPgI cp,.44,44 oee eco tee 44,4.4,*,4.,;1 3.141idi.4th1111 uu LIU USJ w iwIAnif.1 lA.I 11ULEI uu AntillYth 12345676910 11121314151617161920 122 23 Cable p -Yellow redh RedTracer CATACOMB/ TERMINAL STRIP -Black Jodi?give Trwcer Maroon -Maroon PHONE JACK- Gre

5、en7. Ye/ow will Green Tracer ANTGND. BlackBlue with Ye/ow Tracerglue Tracer GROUND TO CATACOMB CASE Red with Ye/low Tracer ROTOR.Cable STATOR Blue will, Red Tracer VOLUME CONTROL AUXILIARY VOLUME. CONTROL; Panel and loop assembly continuity wiring diagram Ye/low with Green Tracer Ye/owB/ack and .V/7

6、0 Red Green 收音机爱 好者资料库 RadioFans.CN PACE1 3 RADIOLA 32 TOP OF RESISTOR_ UNIT R1 - Q.000 1 LOUD SPEAKER MODEL 104 REPRODUCER UNIT 3 OM ENI 321111 Brown- Black wi/h Brown Tracer INPUTOUTPUT 1 I11-1_ Tr II-I 44,.,00,7 & Red 6 ,-Alaroo7 +0, - INPUT Brown Tracer gro4,7- Black w/f/7) .-. Black ,v/r/7, Ye/

7、ow Tracer Ye/Ow with Red Tracer ma + t 4 MFD. DOUBLE CHOKE MFD. NOT USED 0000 OX 281 FIL. RESISTO c=S1 c.= a_210 c=, FIL RESISTOR POTEN- TIOMETER PANEL LAMP 4:)(/,01 /4/ -A FILAMENT +A -B +45+90FIELD Cab/e 110 V. 60, A.C. OPERATING SWITCH PLUG TO) HOUSE CIRCUIT Black wiln Yellow Tracer Yellow with R

8、ed Tracer Rectifier power amplifier and reproducer unit continuity wiring diagram Maroon Maroon and Red 收音机爱 好者资料库 RadioFans.CN PAGE34-A RADIOLA 32 CATACOMB 05CILL Al 0R. COIL MN TUNING CONDENSERS AUXILIARY VOLUME CONTROL VOLUMEter - CONTROL RHE( ANON JACK Rear view of panel n$,eibly R.F. COIL _OOPC

9、OWENSATING CONDENSER -JEUTRALIZING CoNDENsER, _FILAMENT RHEOSTAT D.C. Socket powered Radiola 32 is identical to the regular A.C. model with the exception of the socket power unit. In the D.C. Model the power amplifier con- sists of four Radiotrons III -171A connected in a parallel push-pull circuit, I 4)MFD. 124c 3 5 FIELD TERM. STRIP. -A+Cgrip.+A -B+45+90 7 4 1414 OUTPUT TRANS 22 -141A oR o+C ci 1MFD. ci 114fD. 2 +- Radiola 32 D.C. socket power unit schematic circuit with terminal connections and voltages.