Noblitt-Sparks-Industries-Inc-143500 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 5578, CHASSIS 1.43500 rm t i nrei l-JLT-.-Ta.-J IA5 I Cl B J L2 METAL CHASSIS B- OSC. COIL BOTTOM VIEW L_xr:._T4T_j R 4 SOOK VOL.CONT. EXTERNAL CONNECTIONS TO PRINTED BOARD. VOLTAGE MEASURED WITH A V, T.V.M.

2、 RESISTANCE VALUES ARE IN OHMS K 1,000, MEG* 1,000,000. CAPACITANCE VALUES LESS THAN (I) ARE IN MICROFARADS l*F), AND VALUES OF ( I ) OR GREATER ARE IN MiCROMICROFARADS (MMf), UNLESS OTHERWISE INDICATED. DUMMY INPUT FOR .05 WATT OUTPUT INPUT FOR ,5 WATT OUTPUT CIRCUIT POINT TO GENERATOR (0.4 VOLTS A

3、CROSS V.C.) (1.26 VOLTS ACROSS V.C.) 1 .05*FAT 455 KC 2000 UV _5000 UV_ 2 .05.u*AT 455 KC 60 150 I2AV6 I2BE6 I2BA6 50C5 35W4 .A, .A, .A, ,A ,AA C5 702 APPLIANCE OUTLET NOTE P POSITION OF VARIABLE CONDENSER AT MAX IMUM CAPACITY. Z/z TURNS - ALIGNMENT PROCEDURE Position Frequency of of Dummy Variable

4、Generator Antenna Generator Trimmers Adjusted Function Output in Order Shown for of Connection Maximum Output Trimmer Open Open 1400 1000 600 455 Kc 1670 Kc 1400 Kc 1000 Kc 600 Kc .05 p fd Pin 7 12BE6 Al, A2, A3, A4 * Test Loop A5 * Test Loop A6 * Test Loop Fan CIA Plates * Test Loop Fan CIA Plates * Standard Hazeltine Test Loop Model 1150 or 3 turns of wire about 6 in dia meter placed about one foot from the set loop. The alignment procedure should be repeated for greatest accuracy. I. F. Oscillator Antenna 23 收音机爱 好者资料库 RadioFans.CN