Noblitt-Sparks-Industries-Inc-664A 电路原理图.pdf

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1、LOCATION OF PARTS UNDER CHASSIS I2SQ7 A I2SA7 V A I2SK7 V Intermediate frequenqr 455 Kc. I-f and r-f measure ments made at 200 milliwatts outputapproximately .8 volt on a rectifier type voltmeter connected across the voice coil. Dummy load for r-f50 uufd condenser in series with gen erator lead, or

2、standard align- TUBE LAYOUT ment loop. Dummy load for i-f.05 ufd condenser in series with generator lead. To calibrate, set fsointer vertical with gang closed. Trim osc. mixer and antenna circuits only at 1400 Kc; Approximate max. sensitivities for standard output: I-f125 uv. R-f with standard loop;

3、 at 600 Kc150 uv/m; at 1000 Kc125 uv/m; at 1400 Kc75 uv/m. R-f at antenna clip: at 600 Kc25 uv; at 1000 Kc15 uv; at 1400 Kc 15 uv. I2SA7 CONVERTER I2SQ7 CT*AVC-AP.AMP. 35L6GT OUTPUT 1 / LLUlf WHEN EXTERNAL AHTETMA IS USEO REMOVE THIS WIRE PROM ANTENNA CLIP AND INSERT ANTENNA WRE. TUBE SOCKETS ARE VIEO FROM UrOCR SIOE CHASSIS-. V0LTACE READINGS ARl TO AQATINCii. GROUND AND ARE TAKCPF WltM NO-SIWAL. I2S07 I2SK7 I2SA7 I2SK7 S5L6CT 7W-C7 ) MAZDA LAMP BULB 112 15 OHM 35Z5GT/G RECTIFIER 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