Emerson-Radio-and-Phonograph-Corp-DY1-349 电路原理图.pdf

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1、MANUAL OF 1941 MOST POPULAR SERVICE DIAGRAMS EXTERNAL ANTENNA LOOP ANTENNA for Short wave ce _lP2 OUTPUT TRANSFORMER ON SPEAKER icT r5? R5 R6 AAV- “WV | R8 R9 35Z5GT Y-a crY LINE SWITCH C ON VOLUME CONTROL t 450 Ohms I *ON MODEL DY OMIT PARTS Rll & C30 AND GROUND B M|NUS TO chassis, on model dy-i pa

2、rts Rll a C30 ARE USED AND B MINUS IS NOT GROUNDED TO CHASSIS. Ll 7RT-531 Ll 7RT-531A L2 7YT-552A Tl, T2 7YW-249A T3 7YT-551A T4 7QT-548C T5 7QT-544 Rl, R10 4XR-327 R2, Rll LR-61U R3 LR-60 R4 KR-53 R5 HR-42 R6 7BR-363C R7, R8 KR-56 R9 3FR-293 Cl, C2 7RC-464 C3 HC-34 C4 C5, 09 FC-29 C6 2ZC-253 C7, C8

3、 fC9, CIO, Cll,Cl2 03, 04 7RC-466 05 2NC-23 ID 06 4XC-394A 07 7YC-483 08 KC-58 C20 AC-6 C21, C23 5 AC-3 84 C22 3HC-274 C24 LC-65 C25 EC-23 C26 LC-64 C27, C28 6JC-426H C29 TTC-177 C30 2CC-208 COMPILED BY M. N. Antenna choke and 455 kc wave-trap (DYl). Antenna choke and 455 kc wave-trap (DY). Broadcas

4、t loop antenna loading coil.-. Two-band loop antenna assembly.-. Two-band oscillator coil.-. Double-tuned 455 kc first i-f transformer. Double-tuned 455 kc second i-f transformer. 15 megohm M watt carbon resistor-. 200,000 ohm lA watt carbon resistor. 20,000 ohm *4 watt carbon resistor. 50,000 ohm *

5、4 watt carbon resistor.-. 2 megohm 4 watt carbon resistor. Volume control .5 megohm with line switch. 500,000 ohm *4 watt carbon resistor. 140 ohm, 72 watt wire-wound resistor. Two-gang variable condenser. 0.006 inf, 600 volt tubular condenser. 0.001 mf, part of Ll, wave-trap assembly. 0.02 mf, 200

6、volt tubular condenser. 0.0025 mf mica condenser. p Trimmers, part of loop antenna assembly. Trimmers, part of i-f transformers. U Dual trimmer assembly.-. Single adjustable padding condenser- _ 0.00022 mf mica condenser.-. 0.00114 mf mica condenser (coded 0.0011 mf) | 0.01 mf, 400 volt tubular cond

7、enser. m 0.1 mf, 200 volt tubular condenser. 0.0002 mf, 600 volt tubular or mica condenser. 0.002 mf, 600 volt tubular condenser. 0.02 mf, 400 volt tubular condenser. 0.03 mf, 400 volt tubular condenser. 0.05 mf, 400 volt tubular condenser. Dual 20 mf, 150 volt dry electrolytic condenser 0.01 mf, 600 volt tubular condenser.-.-. 0.2 mf, 200 volt tubular condenser. BEITMAN, SUPREME PUBLICATIONS oS Fil. Ta T O 4 4- -0 VC J3 _g M * *1 ft A) 0 U 9 S IA g-7 N * . 0 X w 3 3 moo U 0 0 0 DY-337 DYl-337 DY-349 DYl-349 DY-351 DYl-351 Emerson . 43 收音机爱 好者资料库 RadioFans.CN