General-Electric-Co-HB412 电路原理图.pdf

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1、MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS General Electric Model HB-412 Symbol Description Symbol J Description l j Symbol ! Description C-1A Oscillator section tuning condenser C-19 0.2 mfd. paper capacitor i R-6 : 2.2 megohms carbon resistor C-1B Antenna section tuning condenser C-20 .01 mfd. l

2、ine capacitor R-7 15 megohms carbon resistor C-3 Oscillator padding capacitor C-21 100 mfd. 5 V. dry electrolytic R-8 1.0 megohm carbon resistor C-8 47 mmf. mica capacitor C-22A 40 mfd. 150 V. dry electrolytic R-9 j 1800 ohms carbon resistor C-9 220 mmf. mica capacitor C-22B 20 mfd. 150 V. dry elect

3、rolytic R-10 I 470,000 ohms carbon resistor C-10 220 mmf. mica capacitor L-l Beam-a-Scope R-l 1 1 3.9 megohms carbon resistor C-ll .05 mfd. paper capacitor L-2 Oscillator coil R-l 2 , 680,000 ohms carbon resistor C-12 0.1 mfd. paper capacitor L-3 1st I.F. transformer , R-13 1.5 megohms carbon resist

4、or C-13 0.1 mfd. paper capacitor L-4 2nd I.F. transformer R-14 | 27 ohms carbon resistor C-l 4 220 mmf. mica capacitor R-l 1.0 megohm volume control ! s-i Power switch (on volume control) C-15 0.1 mfd. paper capacitor R-2 220.000 ohms carbon resistor 1 S-2 | AC-DC or Battery switch C-16 .002 mfd. pa

5、per capacitor R-3 47,000 ohms carbon resistor , T-l . Output transformer C-17 .01 mfd. paper capacitor R-4 ; 150 ohms carbon resistor j | C-l8 .004 mfd. paper capacitor R-5 1 560 ohms carbon resistor i CONV-OSC. IA7GT I.F- DET. audio-avc 3A8GT BAT. OUTPUT IT5GT 45 V 45 V 6 V ANT LI General Electric

6、Model HM-21 Sym bol Description C-l C-2 C-3 C-4 C-oa C-5b C-6 L-l M-l R-1 R-2 R-3 R-4 R-5 R-6 S-1 T-l 300-850 mmf. tuning trimmer I 00 mmf. mica capacitor 0.1 mfd. paper capacitor .005 mfd. paper capacitor 10 mfd. dry electrolytic 10 mfd. dry electrolytic .01-.01 mfd. line capacitor Oscillator coil

7、Motor 120,000 ohms carbon resistor 1,200 ohms carbon resistor 47,000 ohms carbon resistor 47,000 ohms carbon resistor 1.0 megohms carbon resistor 6.800 ohms carbon resistor Power switch Power transformer COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 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