Zenith-Radio-Corp-5C07 电路原理图.pdf

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1、VOLUME R-20, MOST-OFTEN-NEEDED 1960 RADIO SERVICING INFORMATION ZENITH RADIO CORPORATION MODELS C519W,C,P,L CHASSIS SC07 38X - from - 600KC TO 4SS KC IIX -from - 455XCT0 400 4SX - AT . 4000, .05 WATT OUTPUT 7X -at - 4000, .05 WATT OUTPUT I2BE6 CONV. 12 BA 6 I.F. I2AV6 DET. AMP. 50C5 PWR.AMR -rTWlrM

2、Cl V CIS I I-3 5 S 22X Lffv- ,C7 i .01 ZfOZLi psnM OSC 171 ic5 470X 470K 470 f f MMF Q 6*3 vllv XV-COLOR CODE I-1 SWITCH tu VOLTAGES MEASURED FROM COMMON RETURN TO POINTS INDICATED WITH AN A.C.-D.C. OR VACUUM TUBE VOLTMETER. USE OMIT NOM-INOUCIIVE ELECTROLYTIC CONDENSERS FOR REPLACEMENT. IF ANY OTHE

3、R TYPE OF ELECTROLYTIC IS USED IT WILL BE NECESSARY TO ADD CIO SHOWN IN DOTTED LINES. l.F. TRANSFORMER MJI*6ER|NG STARTS WITH l TERMINAL AS FIRST TERMINAL CLOCKWISE FROM MARKER CODE TERMINAL AS VIEWED FROM BOTTOM OF CHASSIS. I .f. FREQUENCY *SS KC. TUNING RANGE B3S-1620 KC. ALL RESISTORS 2C TOLERANC

4、E. I/2 WATT. CARBON UNLESS OTHERWISE SPECIFIC.,. CLOCK 8 SWITCH LEADS O A VOLUME CONTROL- SPEAKER / LEADS rTI 1ST I F. TRANSFORMER I L3 PRIMARY BOTTOM L4 SECONDARY TOP iCIB ANTENNA f TRIMMER rCID OSCILLATOR TRIMMER -T2 2ND I F TRANSFORMER L5 PRIMARY BOTTOM L6 SECONDARY TOP JZ DENOTES CN e e turn b-

5、2 1/2 TURNS AROUND SHAFT -2/3 TURN AROUND URGE PULLEY DIAL CORD DRIVE ALIGNMENT PROCEDURE Connect Dummy Input Sig. Set Operation Oscillator To Antenna Frequency Dial At Trimmers Purpose Converter ,5Mfd. 455 Kc. 600 Kc. L3.L4.L5, For l.F. Align- Grid L6 ment. One Turn Loop Coup led Loosely to Wave Magnet 1600 Kc. 1600 Kc. C1D 1400 Kc. I 1400 Kc. I C1B Set Oscillator to Dial Scale Align Antenna Stage 169 收音机爱 好者资料库 RadioFans.CN