Stromberg-Carlson-Co-1500 电路原理图.pdf

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1、MANUAL OF 19S0 MOST-OFTEN-NEEDED RADIO DIAGRAMS STROMBERG-CARLSON SERVICE NOTES RADIO RECEIVER - MODEL 1500 ALIGNMENT PROCEDURE CAUTION: As this is a transformless Receiver, observe all usual precautions. The Black-White IB-) lead is common to one side of the 117 Volt Power Line Cord. Pointer Sellin

2、g Generator Setting Input and Dummy VTVM and Scape Connection and Scale Adi. and Nates 1. F. ADJUSTMENT (1) Low frequency end of dial 455 kc. 400 cy. mod. Pin 7, 12BE6 tube 0.01 mfd. dummy -3V DC Scale Green White (AVC) lead and Black-White (B-) lead. Adj. top and bottom cores of each 1. F. transfor

3、mer with non- metailic screwdriver for maxi mum voltage. 12) 455 kc. Swept 15 kc. Scope ta Junction C-6 and Volume Control Adj. same cares as above for best over-lapping curve on scape. R. F. ADJUSTMENT (1) 1650 kc. 1650 kc. Ant. terminal Adj. Osc. (front) trimmer on Condenser plates 400 cy. mod. 0.

4、01 mfd. dummy variable condenser far maxi- oil way out mum voltage. Measurements are mode at 117V line, using electronic Voltmeter. Except where otherwise indicated, volages are D.C. and are positive with respect to the reference point which Is the common Black-White lead. I I 2AV6 Miniature Detector, AVC and Audio Driver I 50L6GT Power Output 161 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN