Zenith-Radio-Corp-7KT45Z1 电路原理图.pdf

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1、VOLUME R-24, MOST-OFTEN-NEEDED 1964 RADIO SERVICING INFORMATION ZENITH Model Royal 490 Chassis 7KT45Z1 121-235 121-236 121*247 i 1ST I.E to 2ND IE _DRIVER T4 121-248 MATCHED * 121-234 T# CONV:1 OPST SWITCH OH VOLUWE CONTROL Cfi 2X100 6V BTI 6VT0TIL Z8 BATTU 4 FEQTD PNP TRANSISTORS COCLECTOH COLLECT

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3、D P ST SWITCH ON VOLUME CONTROL LEGEND C-COLLECTOR B-BASE E EMITTER GANG ANT SECTION T4 95-2043 (DRIV 11) TRANSFORMER), IZI-234 CONV E-6VI 7500 SPEAKER IMPEDANCE 220 121*248 OUTPUT y MATCHED PA| T6 95-2031 R F TRANS DUAL 100 MF.-6V I90MM+. / JB U4 105-66 INTEGNET ,38V JuANG OSCILLATO SECTION T5 95-2030 OSCILLATO TRANS XI _ DIODE 5MFD rt :j r tio% v VOL CONTROL TZ 95-2035 2ND l.F. TRANSFORMER T 3 3RD l.F TRANSFORMER us 105-65 I INTEGNET 121-234 1ST l.F. 121-236 U5 / 2ND I F. 105-51 INTEGNET Ul 105-63 INTEGNET Tl 95-2035 1ST. l.F. TRANSFORME VIEWED FROM WIRING SIDE 收音机爱 好者资料库 RadioFans.CN