Bendix-Radio-Div-697A 电路原理图.pdf
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Bendix-Radio-Div-697A 电路原理图.pdf
MANUAL OF 1948 MOST-OFTEN-NEEDED RADIO DIAGRAMS BendiX Radto B SPECIFICATIONS: Model 697A 6 Tube AC-DC end Selenium Rectifier POWER Voltage (Chassis only).105-12SV AC or DC Consumption (Including Changer).72 Watt*. 60 Cycle AC TUNING RANGE. 5*0 - 1620 K.C. INTERMEDIATE FREQUENCY. . 455 K.C. TUBES POWER OUTPUT (I PICKUP. LOUDSPEAKER - Cone Diameter. V.C. Impedance Convert*; IF Amp. Demodula Inverter ) Push Pul Beam Po* Max. ). tor & lat Audi 1 MODEL 697A - PM - 400 Cyc .3.5 Watte High Impedance Crystal .8 Inches .3.2 Ohms (- Jk TUNING SHAFT 3 TURNsSsy DIAL STRINGING DIAGRAM Alignment Procedure: PRELIMINARY: Close gang completely end set pointer directly over reference mark on back plate, Fig. 1. Connect output meter across voice coil on low scale. Rotate volume con trol full on, maximum clockwise. Rotate radio-phono switch to radio - full C.C.W. PRECAUTION: An isolating transformer should be used between the power supply and the receiver if the test equipment is AC operated. GENERAL POINTER APPLY ADJUST FOR FREQ. POSITION THROUGH _MAX. OUTPUT Check Calibra- tion If calibration is not within limits inscribed on back plate, oscillator and antenna gang rotor sections must be bent. GENERAL FREQ. POINTER POSITION APPLY THROUGH 455 KC Max. to right .Dl Mfd 1475 KC Center of 1475 Ref. Mark 50 Mfflf d or less 965 KC Approx. 965 Ref. Mark 580 KC Approx. 580 Ref. Mark LINE VOLTASE IIS A-C IERO SIGNAL INPUT VOL. CONT. I DEMODULATOR . 8 IS! AUDIO 12 AT6 3 MEG ALL MEASUREMENTS TAKEN WITH SI IN RADIO POSITION PP OUTPUT l A-c 35BS(0 PP OUTPUT IS A-C B5 <2) m V APPROX) jvih) Ct 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
