Crosley-Corp-64 电路原理图.pdf

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1、CINCINNATI 收音机爱 好者资料库 RadioFans.CN MANUAL OF 1941 MOST POPULAR SERVICE DIAGRAMS CROSLEY MODEL TK52 TK52W Chassis Model 64 Dummy Antenna Frequency Setting Input Connection To Radio Band Switch Tuning Cond. Setting Trimmer Cond. Adjusted Remarks .05 Mf. 456 Kc. Antenna S. B. Fully on 2nd I-F (2) 1st I

2、-F (2) Adjust Adjust for maximum for maximum output. output. 400 Ohm carbon 15.4 Me. Antenna S. W. Fully open S. W. OSC1 (Rear section tuning cond.) Adjust for maximum output. 400 Ohm carbon 15.0 Me. Antenna S. W. Approx. 15 on dial S. W. ANT (Center trimmer right end of chassis) Adjust for maximum

3、output while rocking gang thru signal. .0002 Mf. 3600 Kc. Antenna S. B. Fully on B. C. OSC (Front trimmer right end of Chassis) Adjust for maximum Gang does not have * thru signal. output, to tune .0002 Mf. 1400 Kc. Antenna S. B. Approx. 140 on dial B. C. ANT (Rear trimmer right end of chassis) Adju

4、st for maximum output. 540 TO 600 TO 800 TO 1000 TO 1. Turn the set on and leave operate for about ten or twenty l0?KC iqqkc mookc issqkc . , , , - , , OSC ANTOSC ANTOSC ANTOSC ANT1 minutes betore attempting to set the push buttons. A $ 2. Due to the wide range to which each button will tune it is A

5、 essential that the stations selected are well within each but- lj tons tuning range. Vj W 7 77 3. Push in the “Manual” button (extreme right) and using the station selector knob, tune in the station to which the MANUAL No. 1 button is to be set. 4. Push in the No. 1 button and using a long, thin sc

6、rew driver f j) adjust the “OSC”/A padder screw, turning slowly (extreme j =|jjj|jfc j right looking at rear of cabinet) until the station you tuned in S j (MANUALLY) is heard again. The padder condensers are j 1E adjust the “OSC” padder first, then the “ANT” padder, etc. OSC ANTvOSC ANUOSC ANTv0SC

7、ANT A AA B 88 C CC D 00 Tubes Used Functions 12SA7 OscillatorModulator 12SK7 Intermediate Frequency Amplifier 12SQ7 Detector, A.V.C. 1st Audio Amplifier 50L6 Beam Power Output 35Z5 Rectifier Standard Broadcast Band1600-550 Kilo cycles or 187.5-545 meters. Short Wave Band5.8-15.0 Megacycles or 62.5-20 meters. LOOP ANTENNA POWER CORD a PLUG /CTlA o /A! WAVE TRAP NOT ON ALL CHASSIS ANTENNA LEAD (oW PUSH BUTTONS VOLUME CONTROL BAND CHANGE STATION a OFF-ON SWITCH SELECTOR COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 收音机爱 好者资料库 RadioFans.CN