Noblitt-Sparks-Industries-Inc-RE-280 电路原理图.pdf

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1、MANUAL OF 1951 MOST-OFTEN-NEEDED RADIO DIAGRAMS ARYIN RADIO ARVIN RADIO, MODEL 446P; CHASSIS-RE-280 4 TUBE BATTERY PORTABLE FREQUENCY RANGE Broadcast .540-1600 kc IF .1.455 kc POWER SUPPLY 1 67 V. B. Battery, Everyeady Minimax, No. 467 or Equal. 2 1 y2 V. D. Sire Flashlight Cells, Connected in Paral

2、lel. POWER OUTPUT Undistorted . 06 Watts Maximum .15 Watts Plate Load .10,000 Ohms ERTER cmtH dot.-|Kti yf AMP E3D_ *2:_Efl CREEK DQTI . yC T2 Jlf 1 IU5 OtT AVC AUO 3S4 POWER AUDIO LOCATIONS OF PARTS UNDER CHASSIS ALIGNMENT DATA Preliminary Output meter reading to indicate .05 watt across voice coil

3、 _ Generator ground lead connected Generator modulation_ Position of Volume control_ foilfloi of Variable Open Open 1400 KC 600 KC Generator Freqmemey 455 KC 1650 KC 1400 KC 600 KC Dummy Aateaao .05 MED Ge Coe tie Mixer Grid Test Loop Test Loop Test Loop Adfesf Trimmer* lie order sbowel AI.A2.A3.A4 AS A6 Check Point _0.4 V. . to metal chassis. 30%, 400 cycles. _ fully on. Trimmer Feecfloe I.F. Osc. Ant. 11 收音机爱 好者资料库 RadioFans.CN