Noblitt-Sparks-Industries-Inc-141400 电路原理图.pdf

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1、VOLUME R-18, MOST-OFTEN-NEEDED 1958 RADIO SERVICING INFORMATION ARVIN INDUSTRIES RADIO MODEL 8576, CHASSIS 1.41400 fee .05 L c 53 v |.TST.nrZJ , .ra01 “ Ttl_ V_Y *- .mJ _ IN646 $ * fill 8 RESISTANCE VALUES ME IN OHMS K KKJO CAMCJTANCC VALUES LESS THAN 1-0 ARE M MKRORIRAOS U/1, A NO VALUES GREATER TH

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3、 INPUT F0* 5 iNAL _TE5 CAPACITOR 02 WATT OUTPUT TEST POINT FREQUENCY to GENERATOR (05 V ACROSS VC) 0 ASS KC 4S5KC 4S5KC 0 lOOOKC ASS KC .08./ 4S9KC .08 I F TRANSFORMER BASE (BOTTOM VIEWS! Te| TORjo ojp VARIABLE CONDENSER CIB o Cl A P Log o jsr A6l fA5l R5 R3 VOLUME CONTROL PHONE RI5 JACK “Q Pn UzAk-

4、4-sfW RIB RI7 WC3CZZ)0 fR 14i 1 T4 1v- RI6 Rig* 35 2N32I OR 4 2N24IA -1 OR CZI3ci1R12 2N270 IN64G OR -IN295 CIO R R6 CM ALIGNMENT PROCEDURE PRELIMINARY Output meter reading to indicate 20 milliwatts . .0.5V Output meter connection. Across speaker voice coil Connection of generator ground lead.Common

5、 Ground Generator Modulation.30% 40 Cycles Position of Volume Control . Fully Clockwise Generator Connections Trimmers Adj. in order shown for Max. Output Function of T rimmer CIB Al, 2, 3,4 I.F. Test Loop A5 Oscillator Test Loop A6 Antenna Test Loop Check Point Standard Hazeltine Test Loop Model 11

6、50 or 3 turns of wire about 6 in diameter placed about one foot from the set loop. The alignment procedure should be repeated in the original order for greatest ac curacy. Always keep the output from the signal generator at its lowest possible value to make the AVC action of the receiver ineffective. 25 收音机爱 好者资料库 RadioFans.CN