Crosley-Corp-158 电路原理图.pdf
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Crosley-Corp-158 电路原理图.pdf
MANUAL OF MOST-OFTEN-NEEDED RADIO DIAGRAMS The Crosley Radio Corporation, Cincinnati, Ohio Model Specifications Model 158 is a seven tube superheterodyne designed for operation from A. G electric cir- i cuits. The intermediate frequency used is 181.5 KC. i Tubes And Voltage Limits I The following are the voltages measured with the receiver in operating condition, but | with no signal to the antenna circuit. Use a high resistance D. G Voltmeter (1000 ohms per volt, or more) for all but filament voltages. In measuring filament or heater voltages use Tube Position -68 R. F. Amplifier -57 Oscillating Detector -58 I. F. Amplifier -68 Detector -68 A. F. Amplifier -42 Output -80 Rectifier a low range A. G meter. The voltage limits are + or 1 0 % of values given in the follow ing table. Line voltage1 17.5 (235 for 220 volt re ceivers) . Plate voltage measured from plate contact to cathode contact. Screen grid voltage measured from screen grid contact to cathode contact. Suppressor grid voltage measured from sup pressor grid contact to cathode contact. Bias voltage measured from cathode con tact to chassis. Screen Grid Voltages Supp. Grid 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN
