Algene Radio Corp. AR6M Schematic

Algene Radio Corp. AR6M

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Product Information:
Model:AR6M
Manufacturer:Algene Radio Corp.

Schematics Content

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All voltage and resistance measurements made with respect to chassis ground and with a line voltage of 116 V.A.C.

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* NOTE: APPROX. GAIN PER STAGE USING CHANALYST, AND WITH A FIXED BIAS OF -1.5 VOLTS

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IF ALIGNMENT

Connect an output meter across the voice coil of the receiver.
Connect a signal generator to the standard Hazeltine loop model 1150 and compile it loosely to the receiver loop.
Set the signal generator to 455 KC and fully mesh the receiver tuning capacitor.
Keep the receiver volume at maximum and the output of the signal generator sufficient to give a readable deflection on the output meter. Adjust for maximum, I.F. trimmers c9, c8, c7, and c6.

Osc. Adjustment

Keeping the same setup as used for I.F. alignment, set the signal generator and receiver to 1600 KC and adjust oscillator trimmer C4 for maximum output.'
Next set the signal generator and receiver to 600 KC and adjust loop frequency padder C17 for maximum while rocking the main tuning capacitor,
Repeat the above procedure for R.F. - Osc. adjustment.
Next tune the signal generator and receiver to 1400 KC. and adjust antennae trimmer C2 for maximum output.

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ALL VOLTAGES AND RESISTANCE MEASUREMENTS MADE WITH RESPECT TO CHASSIS GROUND AND WITH A SUPPLY VOLTAGE OF 65 V.D.C.

NOTE: TUNING CAPACITOR IN MAXIMUM CAPACITY POSITION.

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* NOTE: APPROX. GAIN PER STAGE USING CHANALYST, AND WITH A FIXED BIAS OF 1.5 VOLTS.

ALIGNMENT

REMOVE RECEIVER FROM THE CABINET AND CONNECT AN OUTPUT METER ACROSS THE VOICE COIL.

CONNECT THE SIGNAL GENERATOR TO THE STANDARD HAZELTINE LOOP, MODEL 1150, AND COUPLE IT LOOSELY TO THE RECEIVER LOOP.

SET THE SIGNAL GENERATOR TO 455 KC AND FULLY MESH THE RECEIVER TUNING CAPACITOR.

KEEP THE RECEIVER VOLUME AT MAXIMA AND THE OUTPUT OF THE SIGNAL GENERATOR SUFFICIENT TO GIVE A READABLE DEFLECTION ON THE OUTPUT METER. ADJUST FOR MAXIMUM I.F. TRIMERS C8, C7, C6 and C5.

R.F. OSC. ADJUSTENT

KEEP THE SAME SETUP AS USED FOR I.F. ALIGNMENT AND SET THE SIGNAL GENERATOR AND RECEIVER TO 1600 KC AND ADJUST OSCILLATOR TRIMMER C2 FOR MAXIMUM OUTPUT.

SET THE SIGNAL GENERATOR AID RECEIVER TO 1400 KC AND ADJUST R.F. TRIMMER C4 FOR MAXIMUM OUTPUT.