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Scott 631 Receiver, Service Manual

The Scott 631 Receiver service manual is essential for troubleshooting and maintenance of this high-quality audio equipment. Easily download the manual for free from manualshive.com to ensure optimal performance and longevity of your receiver. Get detailed instructions and guidance on using your Scott 631 Receiver to its full potential.

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Summary of Contents for 631 Receiver

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Page 2: ...sitions High Level Inputs Input Impedance Signal for Rated Output S N Ratio Frequency Response in Flat Position Treble Controls Measured at 10 000Hz Boost Cut Bass Controls Measured at 30Hz Boost Cut...

Page 3: ...ith bias pots lK still full ccw from top of unit check supply for 48 to 50 Adjust bias pots for 0 8 mA current from each test point in the rear of the unit to ground 2 Check power supply board Check p...

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Page 8: ...rimmer to 1600 kHz Tune RF trimmer at 1400 KHz and antenna slug at 800 KHz Seal antenna core 6 Repeat Step 5 until unit is aligned and max output at given frequencies has been achieved Calibrate 590 K...

Page 9: ...2 mHz Generator output should be about 6 uv Peak 1205 1204 and 1201 for maximum audio output 3 Set generator and FM tuning dial to 106 mHz Peak RF trimmer and mixer trimmer 4 With about 3 uv from FM g...

Page 10: ...TE_R __ b Q2 01 GNC DRIVE J t I LOW FN I RF HlGH AM 300 R GNO FM 68 METER DRIYE IF OUT R602 33K 10 7 MHz MIX HIGH MIX LOW OSC HIGI I OSC LOW Z FM 15 __ __ FRONT END AGC IF C e 12v Q202 4 9 FRONT END B...

Page 11: ...70 7 1 2VDC T303 r f C312 470 t T 104 R311 R316 150K 3K Wv 8 9 t 2VDC L JUMPER ALL VOLTAGES POSITIVE DC 15 MEASURED WITH 20 K ohm V VOM AND 117 VAC LINE FM VOLTAGES MEASURED WITH 300 OHM LOAD ON EXTEN...

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