Packard-Motor-Car-Co-7266027 电路原理图.pdf

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1、160 PARTS LAYOUT TUBE VIEW (POWER SUPPLY) PARTS LAYOUT CHASSIS VIEW (POWER SUPPLY) 收音机爱 好者资料库 RadioFans.CN VOLUME R-16, MOST-OFTEN-NEEDED 1956 RADIO SERVICING INFORMATION PRINTED CIRCUIT (Rottom View) UN,TPRS Sf PARTS LAYOUT (Top View) PARTS LAYOUT CHASSIS VIEW ALIGNMENT PROCEDURE Output Meter Conne

2、ctions _Across Voice Coil Generator Return -To Receiver Chassis Dummy Antenna -In Series With Generator Volume Control Position-Maximum Volume Tone Control Position _Middle Position Generator Output -Minimum for Readable Indication Tune Receiver to High Frequency Stop High Frequency Stop Signal Gene

3、rator Signal High Frequency Stop Signal Generator Signal Series Capacitor or Dummy Antenna Connect Signal Generator to Signal Generator Frequency 0.1 Mfd. 12BE6 Grid (Pin #7) 262 KC 0.000082 Mfd. Antenna Connector 1615 KC 0.000082 Mfd. Antenna Connector 1000 KC 0.000082 Mfd. Antenna Connector 1615 K

4、C 0.000082 Mfd. Antenna Connector 900 KC Adjust in Sequence For Max. Output A, B, C, D *E, F, G J, K F, G L* Before making this adjustment check mechanical setting of oscillator core H.” The rear of the core should be Hi from the mounting end of the coil form. (This measurement is readily made by in

5、serting a suitable plug in the mounting end of the coil form.) Core adjustment should be made with an insulated screw driver. *L is the pointer adjustment screw which is on the connecting link, between the pointer assembly and core guide bar. . It should be adjusted so that when looking directly at

6、the dial the pointer is on the 900 KC mark. This setting is to give the correct relationship between the pointer and the dial when the radio is instiled in a car. With the radio installed and the car antenna plugged m adjust the antenna trimmer “G” for maximum volume with the radio tuned to a weak station between 600 and 1000 KC (see sticker on case.) 161 收音机爱 好者资料库 RadioFans.CN