Bendix-Radio-Div-R526M 电路原理图.pdf

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1、MANUAL OF 1948 MOST-OFTEN-NEEDED RADIO DIAGRAMS u: O S3 I I te s Dial Back Plate Model R526M 5 Tube AC-DC Chassis Power Voltage.105-125 V. A.C. or D.C. Frequency.50-60 Cycles per Second Power Consumption.30 Watts I.F. Frequency.455 K.C. Tuning Range.540-1620 K.C. Max. Power Output.1.5 Watts Loud Spe

2、aker.P.M. Cone Diameter.4 Inches Voice Coil Impedance. ,400Cycles,3.2 Ohms ALIGNMENT CHART Before alignment Begins, set middle of pointer over Reference line - with Gang Condenser completely closed - See Figure I. CIRCUITS ALIGNED DIAL POINTER INPUT FREQUENCY APPLY TNR0UGN TO ADJUST 1 .F. Max. to Ri

3、ght 466 K.C. .01 Mfd Input Grid I2BE6 C3a, C3b, C6a, C6b. Broadcast 1475 Ref. Mark 1475 K.C. 60 Mmf External Antenna Terminal Cl d Cl b Broadcast 965 Raf. Mark 905 K.C. 50 Mmf Check CalIbration* Broadcast 5B0 Ref. Mark 5B0 K.C. 50 Mmf - Check Calibration* * If calibration does not check within one p

4、ointers width of the frequency mark, both oscillator and antenna sections of the gang condenser must be knifed* properly. Alignment Procedure Set volume control atmaximum. Use low range on output meter and keep signal generator input as low as practical. Make adjust ments as shown in table for maxim

5、um out put - with output meter connected across voice coil. Precautions An isolating transformer should be used between the power supply and the receiver for protection of test equipment. OFF-VOLUME CONTROL EXTERNAL ANTENNA CONNECTION WXTAM CMTMCC POWER OUTPUT 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN