Globe Electronics, Inc. 558 Schematic

Globe Electronics, Inc. 558

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Product Information:
Model:558
Manufacturer:Globe Electronics, Inc.

Schematic Pages

PNG: Page 1 Rider Manual Volume 19
PNG: Page 2 Rider Manual Volume 19

Schematics Content

Page 1:

APPROX. GAIN PER STAGE USING CHANALYST AND WITH A FIXED BIAS OF - 3 VOLTS

Page 2:

ALIGNMENT PROCEDURE

Connect output noter across voice coil.

Connect the signal generation to the standard Hazeltine Loop Model 1150 and couple it loosely to the receiver loop. Sot tine volume control at maximum, and ruly mesh the tuning capacitor,

The output of the signal generator should be just sufficient to give a readable deflection on the output meter,

Set the signal generator to 455 kc and adjust i-f trimmers for maximum output in the following order: 08 C6, C5. Repeat sequence if trimmers were badly maladjusted.

Set the signal generator and receiver to 1600 kc and adjust the oscillator trimmer C2 for maximum output.

Set the signal generator and receiver to 2400 kc and adjust the antenna trimmer C4 for maximum output.

Set the signal generator and receiver to 600 kc and read Just oscillator trimmer C2 for maximum output,

ALL VOLTAGE AND RESISTANCE MEASUREMENTS MADE WITH RESPECT TO CHASSIS GROUND. AND WITH A LINES VOLTAGE OF 116 V.A.C.