Belmont-Radio-Corp-6D111 电路原理图.pdf

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1、MANUAL OF 1946 MOST POPULAR SERVICE DIAGRAMS huvnt MODEL 6D111 R. F AMP. CONVERTER I2SK7 I2SA7 I. F. AMP. I2SK7 2ND DET.A.V.C. I2SQ7 / ST. AUDIO A C.or D.C. 2 7 7 2 7 2 2 7 7 RH + 4700 ohms, Vt w., 10% 1 megohm, % w 20% 100 ohms, % w., 10% 150,000 ohms, 4 w., 20% 22 ohms, % w 10% 4700 ohms, % w 20%

2、100,000 ohms, M w., 20% 47,000 ohms, M w., 20% 180 ohms, 1 w., 10% 1200 ohms, 1 w., 10% 3,3 megohms, % w 20% 390 ohms, % w., 10% 150 ohms, % w 10% 47,000 ohms, % w 20% Volume control, 1 megohm 470,000 ohms, % w 20% 220,000 ohms, % w 20% 4,7 megohms, % w 20% CONDENSERS 2 gang variable .002 x 000 volt

3、s Antenna trimmer on gang .0005 mica .1 x 400 volts .25 x 200 volts .0001 mica Oscillator trimmer on gang C8 .0001 mica C9 40 mfd lytic x 150 w.v. CIO 20 mfd lytic x 150 w.v. Cll 20 mfd lytic x 150 w.v. NOTE: C9, CIO, Cll are In same unit. In 25-cycle sets, values are 60 mfd., 40 mfd., 40 mfd. C12 .

4、05 x 200 volts C13 .0001 mica C14 .0001 mica CI5 .002 x 400 volts C16 .02 x 400 volts 017 .2 x 400 volts C18 .004 x 600 volts CI9 .0001 mica VOLUME CONTROL _ 8. SWITCH ON iiOFFL- A - CANNOT BE MEASURED WITH VOLTMETER. VOLTACES MEASURED WITH 1000 B-12 VOLTS A.C. MEASURED ACROSS PINS 2 17. OHM PER VOL

5、T VOLTMETER BE- C-12 VOLTS A C. MEASURED ACROSS PINS 7 18. SSn!|L-1 D-30 VOLTS AC. MEASURED ACROSS PINS 2 1 7. AC| VOLUME CONTROL AT MIN - E -117 VOLTS A C.MEASURED ACROSS PINS 2 11. IMUM. 12SK7 12SK? 12SQ? l&X!) 0- 40 (8) 12SA7 35Z5GT 35L6GT 74I j74 110AC.v J74 flwV J*2 fe _ (A)1 m CD) 74 90 BOTTOM VIEW OF CHASSIS $ T I 收音机爱 好者资料库 RadioFans.CN