Noblitt-Sparks-Industries-Inc-140600 电路原理图.pdf

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1、VOLUME R-17, MOST-OFTEN-NEEDED 1957 RADIO SERVICING INFORMATION Arvifl INDUSTRIES, INC. Model 3561, Chassis 1.40600 Also sold as Sears, Roebuck Chassis 132.40100, Models 7013, 7014 ALIGNMENT PROCEDURE Output meter connection.Across speaker voice coil Connection of generator ground lead.Floating grou

2、nd Position of volume control.Ful ly clockwise Position of Variable Frequency of Generator Dummy Antenna Generator Output Connection Trimmers Adjusted in order Shown for Maximum Output Functions of Trimmer Open 455 . 05 pf Pin 7 12BE6 Al, A2, A3, A4 I. F. Open 1670 * Test Loop A5 Oscillator 1400 140

3、0 * Test Loop A6, A7 R. F, , Ant. 600 600 * Test Loop Check Point * Standard Hazeltine Test Loop Model 1150 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

4、 from the signal generator at its lowest possible value to make the AVC action of the receiver ineffective. POSITION OP CONDENSE* AT MAX IMUM CAPACITY- nh-l METAt CHASSIS FRAME . UNLESS OTHERWISE INOlCATED. CIRCUIT FOlNT DUMMY TO GENERATOR input for 0B matt OMPUT 0 .06*-/ AT 433 KC 3100 UV 6000uv 2 06*/ AT 433 KC 1*0 uv 4O0 yv 3 os* at 1000*0 SO uv 90 UV stanoaro LOOP AT lOOC KC 7* UV/* lS UV / M 12 收音机爱 好者资料库 RadioFans.CN