Belmont-Radio-Corp-4B16 电路原理图.pdf
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Belmont-Radio-Corp-4B16 电路原理图.pdf
MANUAL OF 1942 MOST POPULAR SERVICE DIAGRAMS IA7GT CONVERTER i a IN5GT 151 i.r. AMP IH5GT jyoo i OCT iSJAUDIO power amp -ri - f Cl6 3jc t- - r 3Q5GT mm KT2)SKaej<c7 INTERMEDIATE FREOUENCY 455 K.C. A- A+ B+ B Description RESISTORS Belmont Radio Corp. Rl 13017 10M ohmVS w. R2 1304 3 megohmVS w. R3 1309 200M ohmw. R4 130194 35M ohmVS w. R5 13094 50M ohm */3 w. R6 1304 3 megohmVS w. R7 1012S0 1 megohmVolume control and switch- VS w. R8 130257 5 megohmV4 w. R9 13019 1 megohmVS w. R10 130146 2 megohmVS w. Rll 13079 400 ohmVS w. CONDENSERS Cl 12936 .0003 mica C2 100112 .001 x 200 v. C3 129177 .000045Ceramicon C4 124165 Antenna trimmer C5 1009 .05 x 200 v.Condenser C6 12912 .00025 mica C7 124165 Oscillator trimmer C8 1009 .05 x 200 v. Condenser C9 1006 .25 x 200 v. Condenser CIO 10020 .1 x 200 v. Cll 10017 .5 x 120 v. 02 119117B 10 mid. x 150 v. Lytic 03 1295 .0001 mica 04 10012 .003 x 600 v. Condenser 05 1295 .0001 mica 06 10026 .02 x 400 v. Condenser 07 1007 .005 x 600 v. C4 and C7 are in same unit. PARTS T1 1364 Antenna poil T2 1364 Oscillator Coil Permeability tuning assem. Complete. T3 108202 Input I. F. Coil 455 Kc. T4 10815311 Output I. F. Coil 455 Kc. T5 10591B Output transformer T6 114238 5 P.M. speaker Si Switch-on Volume Control ylijcl 4B16 iZj. BOTTOM VIEW Of OKA Sal S VOLTAGES MCASURCO WITH A HIGH RESISTANCE VOLTMETER BETWEEN SOCKET TERMINAL AND CHASSIS. 3Q5GT AIL POTEN1ALS MEASURt.0 THOM CHASSiS TRAKf. ALL VOLTAGES MEASURD WITH 0-3CO VO! T RANGE METER AT 1000 OHMS PER VOLT. REAR OF CHASSIS TO ADJUST COIL ASSEMBLY MOVE LEFT OR RIGHT. NOTE : THE ANTENNA COIL ASSEMBLY IS MADE SO THAT IT IS MOVABLE LEFT OR RICHT. WHEN MAKING THE ADJUSTMENT AS GIVEN IN THE ALIGNMENT PROCEDURE MOVE COIL ASSEMBLY VERY SLOWLY COIL ASSEMBLY VIEW COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 收音机爱 好者资料库 RadioFans.CN
