Montgomery-Ward-and-Co-04BR-513A 电路原理图.pdf

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1、MANUAL OF 1941 MOST POPULAR SERVICE DIAGRAMS Model No. 04BR-513A and 04BR-514A MONTGOMERY WARD BOTTOM VIEW OF CHASSIS VOLTAGES MEASuREO WiTH 1000 OHM PER -VOLT a CASNOT BE MEASyfiCO WiTH VOLTMETft , el 2 vOLS A.C. MEASyAED ACROSS KS 2 17 cj .J VOLTS A.C ACAJufiEO ACROSS P AS 716 . I 0 JA VOLTS A.ckt

2、ASCO ACROSS PIKS 217 “J ,T* CHICAGO, U. S. A. Schematic Diagram Part Ref. No. No. Description RESISTORS M2 AC. ,2 35Z5GT W 5Ccl I2SA7 I2SK7 35Z5 REAR OF CHASSIS C.CnTRol t SA.TCm ,osff!crP|. 35L6GT JI2SQ7 ffjb o o J 6L6GT35; external ANTENNA CONNECTION TOP VIEW I2SA7 CONVERTER I2SK7 R1 BE130314 2200

3、 ohmA w. R2 BE13094 50M ohmA w. R3 BE1309 200M ohmA w. R4 BE130315 75 ohmlA w. R5 BE130203 40 ohmA w- R6 BE1304 3 megohmA w. R7 BE1301 25M ohmA w. R8 BE130215 25 ohmA w. R9 BE10U98 1 megohm volume control RIO BE130257 5 megohmA w. Rll BE1303 500M ohmA w. R12 BE1303 500M ohm-A w. R13 BE130166 150 ohm

4、A w. R14 BE130287 1200 ohm1 w. CONDENSERS C BE102132 2 gang variable condenser Cl BE10011 .01 x 400 v. C2 BE10091 .15 x 400 v. C3 Oscillator trimmer on gang C4 Antenna trimmer on gang C5 BE12921 .0002 mfd. mica C6 BE1009 .05 x 200 v. C7 BE1001 .1 x 400 v. C8 BE1009 .05 x 200 v. C9 B El 295 .0001 mfd

5、. mica CIO BE10025 .002 x 600 v. cn BE12912 .00025 mfd. mica C12 BE100106 .004 x 600 v. C13 BE11992 20 mfd. lytic x 150 w. V. C14 BE11992 40 mfd. lytic x 150 w. V. Cl5 BE10026 .02 x 400 v. Cl3 and 04 are in same unit I2SQ7 2ND. DET A,VC % 1ST AUDIO 35L6GT C9 t i 11 R 7 R9 INTERMEDIATE FREQUENCY 455 K.C. *? Jr (. # S * * 2/7 7/?.7/ 2 y2 V l I R4 35Z5GT RECTiFlER CI4 105 TO 125 VOLTS LINE 71 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN