Noblitt-Sparks-Industries-Inc-8584 电路原理图.pdf

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1、VOLUME R-19, MOST-OFTEN-NEEDED 1959 RADIO SERVICING INFORMATION ARVIN Industries Model 8584, Chassis 1.44600 455 kc ,oW zoo 455 KC .05 8 yU V ALIGNMENT PROCEDURE ioooko stla0n0dpard 2sov/m Output meter reading to indicate 50 milliwatts. 0.4V Output meter connection.Across speaker voice coil Connecti

2、onof generator ground lead.Common Ground Generator Modulation. 30% 400 Cycles Position of volume control. . Fully Clockwise Position Trimmers Adj. Function of Generator Dummy Generator in order shown of SIGNAL TEST POINT TEST FREQUENCY SERIES CAPACITOR TO GENERATOR INPUT FOR .05 WATT OUTPUT (0.4 V A

3、CROSS 3.2A) 455 KC .05 AA,f 5000 mV 200 m. v 8 M- V 250 -ttV/M Of Variable Frequency Antenna Connections Trimmers Adj. in order shown for Max. Output Function of T rimme r Open 455 Kc 05 pf P611 lb70 Kc *Test Loop A4 Osci 1400 Kc 1400 Kc *Test Loop A6 Antei 600 Kc 600 Kc _ *Test Loop Check Point Sta

4、ndard Hazeltine Test Loop Model 1150 or 3 turns of wire about 6 in diameter placed about one foot from the set loop. 1670 Kc 1400 Kc 600 Kc A1 (Top of T3) A2 (Top of T2) A3 (Top of Tl) A4 A6 Check Point I.F. I. F. I.F. Oscillator Antenna IWI / L2 -,2- il El T r- .-, T T3 a/ 4.3 V 4.5 V | 27K 8200 33

5、00 .005 I 5.7 V C3 10 0-EXTERNAL CONNECTIONS TO PRINTED CIRCUIT CAPACITANCE VALUES LESS THAN 10 ARE IN MICROFARADS ), AND VALUES GREATER THAN 1.0 ARE IN MICRO - MICROFARADS EXCEPT WHERE NOTED. VOLTAGE READINGS TO COMMON GROUND ARE MEASURED WrTH VACUUM TUBE VOLTMETER UNDER NO SIGNAL CONDITIONS WITH T

6、UNING CAPACITOR CLOSED AND VOLUME CONTROL SET FOR MAXIMUM VOLUME. OSCILLATOR COIL (BOTTOM VIEW) iiR6 W-+s-_+;- 22 -l3-12-71 A R2 V3300 2NI85 _l/P COLLECTOR (O- (B) BASE )-|o o|-( E)EMITTER TRANSISTOR LAYOUT (BOTTOM VIEW) 1+ C9 Bj/B0 I- SPK, 9 ; 7 4- 6 VOLTS 4 - V SIZE FLASHLIGHT BATTERIES RESISTANCE VALUES ARE IN OHMS;K-IOOO k COMMON GROUND SYMBOL ti C2 9 ni a R IF TRANSFORMER (BOTTOM VIEW) 2NI85 IN295 2N3I0 2N308 IN295 2N252 16 收音机爱 好者资料库 RadioFans.CN