Crosley-Corp-Roamio 电路原理图.pdf

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2、ill wedge the “A pack between the shelf and bottom of case. (See illustration,) The packing is used to prevent the “A” pack from being loose in the case. Connect the “A and “B” plugs as shown in ine illustration. It makes no difference which socket on the “B” pack, the three prong “B” plugs are inse

3、rted. Models 282 - 288 WARNING Be sure the switch is turned off when connect ing batteries. The semaphore shows gold when set is off. ALIGNMENT PROCEDURE I.F. Frequency 455 KC. Set Range 540-1580 KC. Connect the test oscillator, or signal generator, to the set os follows: Connect the hot1 side of th

4、e signal generator to the grid of the 1A7 tube, and the ground side to the terminal on the back cf the chassis. An output meter should be con nected across the voice coil leads of the speaker In indicate resonance. Align the I F. trimmers at 455 KC for maximum meter reading. Adiust tire trimmer on t

5、he back of the variable condenser at or near 1400 KC at full volume on a weak broadcast signal. When aligning the set do not set tlm receiver on or near n metal work bench or other large metal object, as it will affect the tracking of the receiver. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 收音机

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7、666 Radio Receiver use on 105 125 / 25 60 cudes AC or PC 6-30-50 IF peaked at 455 KC Variable Condenser trimmers peaked at 1500 K C DeTald MDDEL-666 MDDEL-663 AC PHONO COMB. m irt 1 ki I2F56T I2K76T 50L60T 4SZ5bTW*Zr !C MFD DeWald V Mazda 1 MODEL 406 R COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 收音机爱 好者资料库 RadioFans.CN