Crosley-Corp-52PA 电路原理图.pdf

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1、MANUAL OF 1942 MOST POPULAR SERVICE DIAGRAMS For Model 52-PA Chassis No. 67 The chassis as employed in this model portable receiver is a five tube (including rectifier), single band suDer- etertriceircuits1neera*;e rom an and B” Battery Pack, or 110 volts A.C. (50-60 cycle) or 110 volt D.C. TUNING R

2、ANGE! 550-1600 Kilocycles 546-187.5 Meters TUBES USED one 1A7GT, oneIN5GT, one-IH5GT, oneIT5GT and one117Z6GT BATTERIES REQUIRED one No. CR67 Crosley “A and B” Battery Pack (6 Volt “A”_75 Volt “B”) or equivalent. Measured from B” minus using 1000 Q/V Tube 117.5-Volt Line Battery Pack Type Function F

3、ilament Volt Plate Volt Screen Volt Cathode Volt Filament Volt Plate Volt Screen Volt Cathode Volt 1A7GT | Osc. Modulator 1.3 80 34 1.7 75 30 1N5GT 1 I. F. Amplifier 3.8 80 80 4.4 75 75 1H5GT Det.-A. S. C. 1st A. F. 2.6 7 3.0 6 1T5GT Out Put 5.1 72 80 6.0 68 75 117Z6GT Rectifier 117.5 A. C. 117.5 A.

4、 C. 100 SIGNAL GBNBRAf6ft Volume Control on full Output meter connected to Plate and Screen of 1T5GT FREQUENCY CONNECTION SETTING TO RADIO DUMMY ANTENNA TUNING COND. SETTING TRIMMERS TO ADJUST (See Fig. 1) REMARKS 455 Kc Ant. Lead .0001 MF Fully open 2nd l-F(l) front chassis flange Ad.iust for maxim

5、um signal. 455 Kc Ant. Lead .0001 MF Fully open 1st 1-F (2) Adjust for maximum signal. Located top of 1st 1-F assy. 1650 Ant. Lead .0001 MF Fully open OSC” Shunt on gang Adjust for maximum output. Gang does not have to tune through signal. 1400 Ant. Lead .0001 MF 140 on dial “ANT” shunt on gang Adju

6、st for maximum output. 600 Ant. Lead .0001 MF 60 on dial Iron core in OSC coil Adjust for maximum signal while rocking gang. Repeat above procedures for more accurate adjustments A Battery drain 6 volts, .05 Amp.; “B” Battery drain Maximum power output 75 V. “B” approx. 200 M. W. 75 V 9 M. A. “distorted Power consumption 117.5 volts line 20 Watts 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN