Zenith-Radio-Corp-J508C 电路原理图.pdf

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1、VOLUME R-23. MOST-OFTEN-NEEDED 1963 RADIO SERVICING INFORMATION ZENITH RADIO CORPORATION MODELS J506G, J508B, BA, C, P, AND W, CHASSIS 5F05 Models K510BA.-GA,-LA., using Chassis 5K10, use circuitry shown on this page, but use a different chassis placement of parts. / *. 38X (g)-FROM - Nw/ 600 TO 455

2、 KC -FROM - 455 KC TO 400U I2BE6 CONV. I2BA6 IF 35 X .05 WAT OUTPUT 400O .05 WATT OUTPUT I2AV6 DET. AMR 50C5 PWR.AMP -TO 68*26 ALIGNMENT WRENCH TUNING SLUGS -IF. WINDINGS A C SWlTjH ON Ri ON Ul SECTION LEAOS UNE UP ACCORDING TO THE PART NO AS SHONN DENOTES CHASSIS- CIO OSCILLATOR TRIMMER-!; CIB ANTE

3、NNA TRIMMER-* 14-00 Kc. N RED C68 I ,60 MFO -=J 150V Ul VOLTAGES MASURED FROM CHASSIS TO POINTS INDICATED WITH AN A.C. O.C. OR VACUUM TUBE VOIMU*. usf only zenith non-inductive eiectroiytic condensers for be placement. IE any other type CF EUCTROlVTIC IS USED IT Will BE NECESSARY TO ADO C7 SHOW IN D

4、OTTED LINES. I.f. TRANSFORMER NUMBERING STARTS WITH l TERMINAL AS FIRST TERMINAL CLOCKWISE FRO* MARKER CODE TERMINAL AS VIEWED FROM BOTTOM OF CHASSIS. IF. FREQUENCY SS 1C TUNING RANGE 635-1620 KC ALL RESISTORS *-2Ci TOLERANCE. 112 WATT. CARBON UNLESS OTHERWISE SPECIFIED. ASS KC. ASS Kc. Detail of IF

5、 Transformer L2 OSCILLATOR COIL * ALTERNATE PARTS WHEN Ul IS I2AV6 NOT USED SEE SCHEMATIC BELOW _ ffin -w. (?)j T2 2ND I.F. TRANSFORMER L5 PRIMARY BOTTOM L6 SECONDARY TOP Tl 1ST. I.F TRANSFORMER L3 PRIMARY BOTTOM L4 SECONDARY TOP k1 (I2BE6) SPEAKER LEADS- -VOLUME CONTROL 177 收音机爱 好者资料库 RadioFans.CN