Stewart-Warner-Corp-9001-F 电路原理图.pdf

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1、收音机爱 好者资料库 RadioFans.CN MANUAL OF 1947 MOST-OFTEN-NEEDED RADIO DIAGRAMS STEWART-WARNER 9001-C, D, E, F ALIGNMENT PROCEDUIffi Bemore chassis and loop antenno from cabinet (do not remove loop of wire stapled to cabinet). After chassis has been removed, replace loop antenna in cabinet. Stand the chassi

2、s on one end and space it oppiordmately some distance brom loop os when installed in cabinet. Then reconnect all leads to loc antexma and to loop of wire stapled on ccdiinet. With the gang condenser fully meshed, dial pointer should be in the portion indicated by the lost division below 55 on the di

3、ed. If it is set incorrectly, release pointer clip on dial cord and reporition pointer. Coxmect output meter across speaker voice coil or from plate of 6K6GT tube to chassis through a .1 Mid. condenser. Coimect the groimd lead of the signal generator to the receiver chassis. Set volume control at ma

4、ximum volume position and use a weak signal from the signal generator. Push in the manual button and leave it in that position throughout the alignment procedure. Align this receiver in exactly the order shown below. Broadcast bond must be aligned before short wave bond. mm CONNECT HIGH SIDE OF SIGN

5、AL GENERATOR TO .1 MFD. Condenser Trimmer on rear section of gang 500 MMFD. Mica Condenser Externed Antenna Clip on Lood Frame 500 MMFD. IiGca Condenser External Antenna cup on Lood Frame 500 MMFD. Mica Condenser Externed Antenna Clip on Lood Frame 500 MMFD. IiGca Condenser External Antenna Clip on

6、Loop Frame 500 MFD. Mica Condenser External Antenna Clip on Loop Frame 400 OHM Carbon Resistor External Antenna Clip on Loop Frame 400 OHM Carbon Resistor Externed Antenna Clip on Loop Frame BAND SWITOf POSITION RECEIVER DIAL SETTING TRIMMER NUMBER DESCRIPTION TYPE OF ADJUSTMENT i c c TFr* Broadcast

7、 400 J!LO - (Clockwise) Any point where it does not affect the signal. Adjust for maximum output. Then repeat adjustment. 1500 EC Broadcast (Clockwise) 1500 EC 5 i Broadcast Oscillcrtor (unt) Adjust for maximum output. 1500 EC Broadcast (Clockwise) Tune to 1500 Kc. generator signal. 6 Broadcast R.F.

8、 Adjust for maximum output. 1500 EC Broadcast (Clockwise) Time to 1500 Kc. generator signed. B Broadcast Antenna Adjust for maximum output. 600 EC Broadcast (Clockwise) Tune to 600 Kc. generator signal. 8 Adjustexble core of Broadcast Oscillator Coil. Adjust for maximum output. Try to increase outpu

9、t by ro tating core in and out cmd retuning receiver dial tmtil maximum output is obtained. Repeat adjustment of trimmers 5, G cmd 7 at 1500 Kc. Then re-check adjustment of trimmer 8 at 600 Kc. - Short wove 12 MC (Cotmter* Clockwise) Short wove 12 MC (Counter- Clockwise) Time to 12 MC. generator 10

10、signal. S.W. Oscillate S.W. Antenna Adjust for maximum output. Check to see if proper peak was obtained by tuning in imee at approx. 11.1 MC. If image does not appear, realign at 12 MC, with trimmer screw farther out. Recheck image. Adjust for maximum output. Try to increase output by de-. tuning trimmer and retuning receiver dial until maximum output is obtained. TOP 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