DeWald-Radio-Mfg-Corp-K-544A 电路原理图.pdf

《DeWald-Radio-Mfg-Corp-K-544A 电路原理图.pdf》由会员分享，可在线阅读，更多相关《DeWald-Radio-Mfg-Corp-K-544A 电路原理图.pdf（1页珍藏版）》请在收音机爱好者资料库上搜索。

1、VOLUME R-17, MOST-OFTEN-NEEDED 1957 RADIO SERVICING INFORMATION DeWALD RADIO MFG. CORP. MODEL K-544A LIST OF REPLACEMENT PARTS 1st I.F. 2nd I.F. Osc. Coll Bar Loop Ant. Var. Cond. 1-131-3 1-131-4 0-137 L-138A C-219 Electrolytic Cond. E-221 Volume Control V-311 Cabinet C-445A Speaker 8-712 Vol. Contr

2、ol Knob K-447 Turning Knob K-448A Battery Cable BC-510 Transistors, Converter IF Audio Driver Audio Output Diode CK760/2N112 OR 2N140 CK760A/2N112A OR 2N139 2N132 OR 2N217 2N138 OR 2N217 CK706A/IN295 2N2I7 or 2NI38 OUTPUT ON-OFF- r-VOLUME CONTROL SPEAKER 2NI32 OR ”7 2N2I7 M-OOPTENNA OR 2NI39 OR 2NI40 21 收音机爱 好者资料库 RadioFans.CN