Montgomery-Ward-and-Co-04BR-675A 电路原理图.pdf

《Montgomery-Ward-and-Co-04BR-675A 电路原理图.pdf》由会员分享，可在线阅读，更多相关《Montgomery-Ward-and-Co-04BR-675A 电路原理图.pdf（3页珍藏版）》请在收音机爱好者资料库上搜索。

1、MANUAL OF 1939 MOST POPULAR SERVICE DIAGRAMS 6SA7 CONVERTER 6S7G 6S7G 6T7G 6G6G wmiNc SIDE LOO SOCKET RTD DOT INTERMEDIATE FREQUENCY 455 K.C VIBRATOR 6ZY5G BROADOST POSTCN BROADCAST POSITION viewed from rear viEVkEO FROM FRONT XPnHc- FACE SIDE OF VOLT BATTERY SOCKET Monigomery Ward, Chicago, Ill. Mo

2、dels 04BR-675A and 04BR-676A Schematic Diagreun Part Ref. No. No. Description POWER PLUG *5tTj Xj cm AC LINE rffirart LsoaiJ BVcbolt =3= CACUNO HMTtNNA CMOUNC T.N-., eL*e. L, I #A =4r6ZY5G BOTTOM VIEW OF CHASSIS vCLTaGlS measured with iOOO ohm per volt voltmeter BETWEEN SOCKET TERMINALS AND CHASSIS

3、LOOP PLUGGED INTO CHASSIS AND SET TUNED OFE SIGNAL SET OPERATING ON 6.3 VOLT STORAGE BATTERY A CANNOT BE MEASURED WITH VOLTMETER. B OSCILLATOR VOLTAGE MEASURED WITH R.F CHOKE IN SERIES WITH VOLTMETER LEAD VIBRATOR 6ZY5G 6G6G 6T7G 6 A 140 ISO 0 0 16. .oo ofSaOw y o(T) (6)0 +6(7) 76 6G6G 6T7G 6S7G 6SA

4、7 140 ISO 0 0 2 S 130 B)-6 0 OSyiSO 75XJi6 60(S2S, 130 e i6 130 CA) 0 0 i6 0 6S7G 4 6 CA REAR OF CHASSIS | COMPILED BY M. N. BEITMAN. RESISTORS R1 BE130193 3M ohm w. R2 BE130276 10 ohmw. R3 BE13019 1 megohmVx w R4 BE130236 30M ohmVs w. R5 BE13070 500 ohmw R6 BE13067 9M ohmw R7 iBE130I57 12M ohmw. R8

5、 BE13019 1 megohmVx w. R9 BE130170 3 megohmY w. RIO BE13084 200 ohmY Rll BE130192 2M ohm w. R12 BE13020 lOOM ohmY w. Rl3 BE101227 Volume Control R14 BE130233 60 ohmw. Rl5 BE130233 60 ohmY w, R16 BE130223 10 megohm w. R17 BE1303 500M ohmw. R18 BE101228 2 megohm Tone Control R19 BE130266 200M ohmtA w.

6、 R20 BE13079 400 ohmw R21 BE130222 350 ohmw. R22 BE130235 1500 ohmY w. CONDENSERS C BE102133 2 Gang- Variable Condenser Cl BE124116 S,W, Antenna Trimmer C2 BE124141 B.C, Antenna Trimmer C3 BE12921 .0002 mica C4 BE124142 S.W. Oscillator Trimmer C5 BE124142 B.C. Oscillator Trimmer C6 BE124140 B.C, Pad

7、 Trimmer C7 BE124140 S.W. Pad Trimmer C8 BE12938 . 00005 mica C9 BElOOtg .25 X 200 v. CIO BE1009 . 05 X 200 v. Cll BE1Q013 .05 X 400 v. C12 BE1292 , 0005 mica C!3 BE10031 .5 X 120 v. C14 BE10031 .5 X 120 v. C15 BE10031 .5 X 120 v. C16 BE129161 ,0001 mica C17 BE129161 .0001 mica C18 BE10025 .002 x 60

8、0 v. C19 BE10O73 , 008 x 1200 v. C20 BE1292 .0005 mica C21 BE10026 .02 x 400 v. C22 BE100106 . 004 x 600 v. C23 BE10020 .1 X 200 v. C24 BE100106 .OCM X 600 V. C25 BE119111 20 Mid. Lytic x 20 w.v C26 BE119111 40 Mfd. Lytic x 200 w.v. C27 BE119111 20 Mfd. Lytic x 200 w.v. C28 BE119111 20 Mfd. Lytic x 200 w.v. C29 BE10020 .1 X 200 v. C4 and C5 in one unit. C16 and C17 in one unit, C6 and C7 in one unit, C25, C26, C27 and C28 in one xulit SUPREME PUBLICATIONS 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN