Zenith-Radio-Corp-60 电路原理图.pdf

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1、收音机爱 好者资料库 RadioFans.CN VOLUME R-23, MOST-OFTEN-NEEDED 1963 RADIO SERVICING INFORMATION ZENITH RADIO CORP. MODELS ROYAL 40-50K-60 CHASSIS 6KT43Z1 & 6KT44Z1 (For chassis wiring view see next page adjacent at right) 121-234 CONV. 121-235 1ST I.F. 121-236 2ND I.F -cfy-1 r.sji ,u i oo-3* immfT m t ! 3.4

2、0 fl.4a | -2.7V Tx N,TI0% -CD- L_LL_J I 220 ioon -(tv J tr- iota cic GROUND LUG riC4 + T 8 MFD A NOTES: ALL RESISTORS ARE CARBON, 1/4 WATT, 20 TOLERANCE UNLESS OTHERWISE SPECIFIED ALL VOLTAGES ARE D-C UNLESS OTHERWISE SPECIFIED. ALL CONDENSERS ARE IN MICROFARADS UNLESS OTHERWISE SPECIFIED D C. VOLTA

3、GES SHOWN ARE MEASURED FROM CHASSIS WITH NO SIGNAL USING AN A C.-,D C. DR VACUUM TUBE VOLTMETER. DENOTES CHASSIS “J BATTERY CURRENT DRAIN: APPROXIMATELY I2M.A. WITH VOLUME CONTROL AT MINIMUM. SPEAKER IMPEDANCE: II OHMS 121-237 DRIVER C7 560 MMF CM/2 120 ? - 10% C6 I 40 MFD T1 3 V _L+ 121-238 OUTPUT MATCHED D.RS.T. SWITCH ON VOLUME CONTROL i - I t ! + r BATTERIES ( 2 REQD ) 180 收音机爱 好者资料库 RadioFans.CN CHASSIS. WIRING 收音机爱 好者资料库 RadioFans.CN