RCA-Victor-Co-Inc-126-B 电路原理图.pdf

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1、PAGE 488-8 MODEL126 B Six -Tube, Single Band Super -Heterodyne Receiver 130(7752 2.0v 0 MR11 A F. 9 495v I2.0v0.4PAA I35v *9.0v 67 .5v e=i2ED1i6.5v CG 2.0v 0 PwR 12.0v 0 135v 4s 02.0v 135v,I.F. 3.O MA .22, 67.5v /-R573.0v CG 1.7MA 135 135vr DET2. v LBPAA,-,A05.cq 41.5v e=aJ *3.0v -Socket Voltage Rea

2、dings ELECTRICAL SPECIFICATIONS Type and Number of Radiotrons1 RCA -1A6, 1 RCA -34, 1 RCA -32, 3 RCA-30-Total, 6 Total A Battery Current 0 45 Ampere Total B Battery Current15 M. A. Batteries Required:Eveready Air Cell A-600 or 2 -volt storage cell Three 45 -volt B batteries COne 22-volt Cbattery. Tu

3、ning Frequency Range540 K. C.-1600 K. C. Maximum Undistorted Output0 7 Watt Alignment Procedure STEP CONNECT HIM SIDE OF TEST OSC. TO - TUNE TEST OSC TO - TURN RADIO DIAL TO ADJUST THE FOLLOWING FOR MAX. OUTPUT 1 1st Det. Grid in series with 0.0 imfd 480 Kc Quiet point se Trimmers of 1st I -F Trans.

4、 2 Antenna in series with 200 mmfd 1400 Kc1400 Kc Osc. 4468Dial-Station selector dial watt (R8)-Package of 10 .6176Escutcheon-Operatin& switch escutcheon - 6303Resistor -20,000 ohms-Carbon type- Package of 5 watt (R5)-Package of 5 4286Ferrule-Fuse connector ferrule and bushing- Package of 10 3114Res

5、istor -50,000 ohms-Carbon type -34 watt (R2)-Package of 5 3748Fuse -0.5 ampere (F1, F2)-Package of 5. 3118Resistor -100,000 ohms-Carbon type-ht watt (R4)-Package of 5 4290Insulator-Fuse connector insulator-Package of 10 3619Resistor -400,000 ohms-Carbon type-st 3088Knob-Operating switch knob-Package

6、 of 5. watt (R10)-Package of 54085Knob-Station selector knob and pointer - 6186Resistor -500,000 ohms-Carbon type-n Package of 5 watt (R1, R3)-Package of 54132Knob-Volume controlortonecontrol 3033Resistor -1 megohm-Carbon type- j. watt switch knob-Package of 5 (R11)-Package of 54348Lamp-Dial lamp 62

7、42Resistor -2 megohm-Carbon type- N watt (R9)-Package of 5 3886Reflector-Dial lignt reflector 3584Ring-Oscillator coil retaining ring-Package of 5 3238Screw-Set screw for operating switch knob -Package of 10 3682Shield-First detector and oscillator-Radio- Eton shield 4393Screw-No. 8 -32 -5% -inch he

8、adless set screw for knobs-Package of 10 4351Shield-I. F. Radiotron socket shield 4160Screw driver-Combination insulated screw 6665Shield-Oscillator coil shielddriver and socket wrench for I. F. and R. F. 3056Shield-Second detector-Radiotron shield- adjustments Package of 24284Spring-Fuse connector spring-Package of 10 3858Socket-Dial lamp socket4540Switch-Operating switch (S1, S2, S3, S4). . 6300Socket -4 -contact second detector-Radio- cron socket 4285Washer-Fuse connector insulating washer- Package of 10 收音机爱 好者资料库 RadioFans.CN