Crosley-Corp-33BG 电路原理图.pdf
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Crosley-Corp-33BG 电路原理图.pdf
MANUAL OF 1941 MOST POPULAR SERVICE DIAGRAMS INSTRUCTIONS FOR MODEL 33BG Alignment Sequence Dummy Antenna Frequency Setting Input to Receiver Band Switch Tuning Cond. Setting Trimmers Adjusted Remarks 1. .02MF. 455 Kc. Ant. Lead (Blue) B. C. Fully Open 2nd I-F (2) 1st I-F (2) Adjust for Maximum output. Adjust for Maximum output. 2. 400 ohm (carbon) 15.3 Me. Ant. Lead (Blue) s. w Fully Open S. W. ”OSC (on gang) Adjust for Peak. See foot note. :i. 400 ohm (carbon) 15.0 Me. Ant. Lead (Blue) s. w. Approx. 15 on dial S. W. ANT” center trimmer on right end Adjust for Maximum while rock ing gang back and forth. i. .0002 MF. 1650 Kc. Ant. Lead (Blue) B. C. Fully Open B, C. ”OSC” front trimmer on right end Adjust for peak. Make sure the switch on loop is in B. C. position. 5 .0002 MF. 1400 Kc. Ant, Lead (Blue) B. C. Approx. 140 on dial B. C. ,ANT” rear trimmer on right end Adjust for Maximum output. I) .0002 MF, 2.5 Me. Ant. Lead (Blue) B. C. and Approx. 2.5 switch on on dial lower loopto-Pol right corner Pol. Ant on loop Adjust for Maximum output. VOLTAGE CHART ALL VOLTAGES MEASURED FROM SOCKET PIN TO CHASSIS 117.5 VOLT LINE SOCKET PIN NUMBER TUBE SECTION 6SA7Osc.-Mod. . 6SK7I. F. Amp. 6SQ7Det. A.V.C. 6V6GTOutput . 6SK7Mike Amp. 5Y3GRectifier . -1st A.F. 1 2 3 4 5 6 7 8 0 0 225 74 0 0 6.3 0 0 0 0 0 0 74 6.3 225 0 0 0 0 0 100 6.3 0 0 0 209 225 0 0 6.3 10.5 0 0 0 0 0 + 6.3 + 0 5.0 0 316 A.C. 0 316 A.C. 0 283 OHM/Volt Voltmeter except heaters. Voltages may vary 10% of values given. DROP ACROSS SPEAKER FIELD. 58 Volts MAXIMUM POWER OUTPUT 130 V. LINE 6.5 Watts MAXIMUM POWER CONSUMPTION 130 V. LINE *60 Watts Phono Motor 40 Watts additional. 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 收音机爱 好者资料库 RadioFans.CN
