Continental-Radio-and-Television-Corp-4D 电路原理图.pdf

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1、MANUAL OF 1939 MOST POPULAR SERVICE DIAGRAMS JA7G coNfeffTe/f /A/SG T.K /HSG tua per. /QSG wet9 Till R llfn I AHh- -IkL 7 A. S. KxreNL. $ oftovno oijmfyaL eg .oooos MiCA CS 4./Sov: ic. C4 .OS ZOO CS .05 ZOO 06 .0006 rUCA C7 .Ot 400 C8 .oaoz MICA C9 0I 400 ao ,oot 0OO RZ 70000 /z 192000000 /t 4460000

2、00 t/ RS SOOOOO /i VO. R6 7000O 4/t. 476000000 t/z RO SOOOOO i/z 49/000000 f/x 4m 440 t/x nu ts.oco Yt BATTeer ( SHOM /rHP4O/*09 oBse44 BArreer .jachp OB sccAmts I.F. ALIGNMENT Remove the receiver chassis from the cabi net and connect a 100,000 ohm resistor to the green and yellow leads in place of

3、the loop antenna to which thev were originally connected. Adjust the signal generator to 455 KC and connect the output to the grid of the first detector tube (1A7) through a .05 or .1 mfd. condenser. The ground on the signal generator should be connected to the chassis ground. Align all I.F. trimmer

4、s to peak or maximum reading on the output meter. Admiral kad Hodel 40 fi CWmiTEK IKAMR K7t C7 -PILOT USHT L*9B-0N.LPST 455 KC. tfecT. S5Z5 ZSZS ZSLC 606 6A7 70 ce zs zoo c3 .eg 400 CS .00006 MICA CS OS 400 C7 .00065 MICA ca .oi 400 C9 .00025 mCA CIO .OI 400 cn 20.) ,go ciz 20.; CIS oos too Cl4 .05 400 P4 2,000,000 PS 500,000 HO SpoMOO H7 2501000 fta 500,000 PS ISO / VOL COPT yi /t tA At lost Admiral Radio /00L SLL MOOEL SL IND. CHASSIS GND. pots: eg C/SSO ON AAOOSL SLL ONLY. 0NA7OOSL SL PO/NT 7S /S CONMeCTSO TO CPPSSAS COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 收音机爱 好者资料库 RadioFans.CN