Zenith-Radio-Corp-6D413 电路原理图.pdf

《Zenith-Radio-Corp-6D413 电路原理图.pdf》由会员分享，可在线阅读，更多相关《Zenith-Radio-Corp-6D413 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 S Q o Q Q Q Q vs 0 W 0 -11 I 1 t S R % * L. y *S 1? fecjo 1 1 iiii iiiiiii mstt 99 f 5 si$ S i| iilii! ii tiis T -Vtf 2*vtyNSK#rx . Svio V 5 555 s 5 S* 55 vi 5 5 5 5 5 * 0 *WC 5:s XW 1 1 v SSSPo 25 5 ?5?S:5 !i 2 c: ? g K Vj Q X Q ? X I W C S Q N 11 Ot% st

2、t K*0 ,“ $ ssse $ s !155 ai: 55:25.5 5 i oViVV0o(jOO0Viijv*vj MODELS 6D413, 6D414, 6D426, 6D427, 6D446, 6D455 (Chassis No. 5660) 收音机爱 好者资料库 RadioFans.CN MANUAL OF 1939 MOST POPULAR SERVICE DIAGRAMS Models 6D413, 6D414, 6D426, 6D427, 6D446, 6D455 CHASSIS No. 5660 Zenith Radio Corporation NOTE Voltage

3、s measured from No. 7 pin on ballast tube to point indicated using a 1000 ohm per volt meter. VoL control at min imum. Antenna disconnected. All filament voltages meas ured across each respective tube, using an A.C. voltaneter. Line voltage llOv. LEGEND NCNo Connection SHShield HHeater PPlate SScree

4、n GGrid SUSuppressor DDiode FFilament KCathode Location of tubes and trimmers ALIGNMENT PROCEDURE Operotion Connect Test OsciUotor to Dummy Antexma Set Test Osallotor to Bcmd Set Dial At Adjust Tiinuners Puipose 1 1st DeL Grid .5 MM. 455 Bdcost 600 ABC I. F. Alignmt. 2 Single Turn Loop Loosely . 1500 at 1500 F Set Osc. to Scale 3 Coupled to Wove Magnet 1500 at at G Alignment of Ant. 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