Zenith-Radio-Corp-4K040 电路原理图.pdf

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1、MANUAL OF 1948 MOST-OFTEN-NEEDED RADIO DIAGRAMS -W 2 ” *o i SI -iLIF0- j Q (q) p irz-H-f-v., AS K O MODELS 4K040-4K040G CHASSIS No. 4C54 收音机爱 好者资料库 RadioFans.CN OPERATION CONNECT OSC. TO DUMMY ANT. INPUT SIG. FREQUENCY BAND SET DIAL AT TRIMMERS 1 Converter Grid .5 Mfd. 455 Kc. BC 600 Kc. C-11,0-12,

2、C-13,C-14 2 Ant.-Gnd. 400 ohms 18 Me. SW 18 Me. C-5 3 Ant.-Gnd. 400 ohms 400 ohms SW Rock Gang 18 Me. C-3 if Ant.-Gnd. 200 Mmf. 1600 Kc. BC 1600 Kc. 1 O 5 Ant.-Gnd. 200 Mmf. 1400 Kc. BC 1400 Kc. =t 1 O 6 Ant.-Gnd. 200 Mmf. 600 Kc. BC Rock Gang 600 Kc. C-8 Zenith Radio Corp. Changes between Chassis 1

3、1C21 and Chassis 11C21Z shown In circuit diagrams below. For complete receiver diagram and alignment see pages 190 to 192, In Volume 6, 1946 Diagram Manual. 6J5GT 6V6GT NO. I all RESISTORS *20H TOLERANCE INVERTER PWR. AMP. UNLE3S otherwise specked PLUG ON Supply cable END VEW r rRS R5 r 330M 47M rio

4、% 7 . Tl RCO 6V6gtno.2 PWR. AMR *0J 200 TL 10% 5Y3GT RECT. fU SPEAKER 49-577 12 PM USED ON MODELS I2H090 I2H092R I2H094E AUDIO ft POWER SUPPLY CHASSIS 6J5GT 6V6GT ho, INVERTER PWR. AMP T .00 J no.2 1 ?4%m 6V6GT MALE PLUG ON PWR .- SUPPLY CABLE PIN ENO I- VIEW Jot 5Y3GT RECT 35 y SPEAKER 49*533 |4 OYf USED OH MODELS I2H090 _! 2H092R I2H094E SPEAKER C4I 49-535 lOOY- yiD USED ON FD MODFLS I2H09IE I2H093R DENOTES CHASSIS IIC2IZ POWER SUPPLY FOR PM. SPEAKER 11C2.1 U5IN& DYNAMIC SPEAKER 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN