Stewart-Warner-Corp-9013-A 电路原理图.pdf

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1、STEWART-WARNER MODEL 9013-A 收音机爱 好者资料库 RadioFans.CN MANUAL or 1947 MOST-OFTEN-NEEDED RADIO DIAGRAMS SERVICE DATA FOR MODEL 9013-A AUGNMENT PROCEDURE When gemg condenser U fully meshed, dial pointer should be in the position indicated by the lost division below 55 on the dial. If it it Mt incorrectly

2、, release pointer clip on dial cord and reposition pointer. Connect on output meter across the speaker voice coil or from the plate of the 6K6GT tube to chassis through a 0.1 Mfd. condenser. Connect the ground lead of the signal generator to the receiver chassis. Set volume control to maximum volume

3、 position and use a weak signal from the signal generator. BAND SWITCH POSITION TRIMMER NUMBER TRIMMER DESCRIPTION TYPE OF ADJUSTMENT 1 MFD. Condn8r Lug on iront section oi gang. 455 KC Broadcast Any point 1-2 2nd I.F. Adjust for maximum output. (counter clockwise) not aifect the signal. 3-4 1st I.F

4、. Then repeat odjimtment. 200 MMFD. Iffica Condenser ANT terminal at rear of chossis. 1500 KC Broadcast (counter clockwise) 1500 Kc. 5 Broadcast Oscillator (Shunt) Adjust for maximum output 200 MMFD. Mica Condenssr ANT terminal at rear oi chassis. 1500 KC Broadoost (counter clockwise) Tune to 1500 K

5、c. generator signu. 6 Broadcast Antenna Adjust for maximum output. 200 MMFD. Iffica Condenser ANT terminal at rear oi chassis. 600 KC Broadcast (counter clockwise) Tune to 600 Kc. g e n e r a tor signed. 7 Broadcast Osdllator (Series Pad) Wiiiiliii 400 OHM Carbon Resistor ANT terminal at rear oi cho

6、ssis. 6.5 MC Intermediate (middle) 6.5 Me. 8 Intermediate Oscillator x MM 400 OHM Carbon Resistor ANT terminal at rear of chassis. 6.5 MC Intermediate tmiddie; Tunc to 6.5 Me. generator signal. 9 Intermediate Antenna Adjust for maximum output. Try to increase output by de tuning trimmer and retuning

7、 receiver dial until maximum output is obtained. 400 OHM Carbon Resistor ANT terminal at rear oi chassis. 21 MC Short wave (clockwise) 2! Me. 10 S.W. Oscillator Adjust for maximum output. Check to see if proper pKde was obtained by tuning in image at approx. 20.1 Me. If image does not appear, re ali

8、gn at 21 Me. with trimmor screw farther out. Rebeck imooe. 400 OHM Carbon Resistor ANT terminal at rear oi chassis. 21 MC Short wave (clockwise) Tune to 21 Me. generator sigiuxl. 11 S.W. Antenna Adjust for maximum output. Try to increase output by de tuning trimmer and retuning receiver dial until maximum ounit Is obtained. TOP VIEW OF CHASSIS BOnOM VIEW OF CHASSIS 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN