Heathkit GD 1186 Schematic

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SCHEMATIC or THE
HEATHKIT®
DIGITAL SCALE

MODEL (ED-1186

NOTES- Part Of 595-1948-01

ALL RESISTOR VALUES ARE IN OHMS (k-IODO:M-I,000.000I.

ALL CAPACITOR VALUES LESS THAN 1 ARE IN uF. CAPACITOR
VALUES LARGER THAN I ARE IN DE.

REFER TO THE X-RAY VIEWS FOR THE PHYSICAL LOCATION OF
PARTS.

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Q THIS SYMBOL INDICATES A DC VOLTAGE TAKEN WITH
A HIGH IMPEDANCE VOLTMETER FROM THE POINT
INDICATED T0 CIRCUIT BOARD GROUND. VOLTAGES MAY VAR'
2207-. THE VOLTAGES WERE TAKEN WITH NO WEIGHT APPLIED
TO THE SCALE.

WAVEFORMS WERE TAKEN AT THE POINT INDICATED. THE
AMPLITUDE IS SHOWN AS PEAK-TO-PEAK VOLTAGE. THE
WAVEFORMS WERE TAKEN WITH NO WEIGHT APPLIED TO THE

SCALE.

THIS SYMBOL INDICATES A LETTERED CIRCUIT BOAR!
CONNECTION.

THIS SYMBOL INDICATES CIRCUIT BOARD GROUND.

5620] AND $6204 ARE MOUNTED ON THE BOTTOM OF
THE METAL BEAM. SGZDZ AND 56203 ARE MOUNTED 0A
TOP. THIS IS NOT A PART OF THE A TO D CIRCUIT
BOARD.

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