Heathkit HP 1144A Schematic

Page 1

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REMOTE
AC SWITCH

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.nm---Mm----n--Iu---In-unu----um----u

SCHEMATIC OF THE
-or\n 0-) HEAIHKIID
ataxia" MODEL PIP-1144A
->

AC POWER SUPPLY

TI

NOTES:

ALLA
vv

I. ALI. CAPACITOR VALUES ARE IN ME.

III

2. RESISTORS RI AND R2 ARE MADE UP OF FOUR .330.
5-WATT,W|RE - WOUND RESISTORS CONNECTED IN PARALLEL.

vvvv 7 vv

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3. OTHIS SYMBOL WITH A NUMBER m n INDICATES A DC
VOLTAGE READING TAKEN FROM mm POINT T0 CHASSIS
GROUND.

---...--------------------..------1_-------..---_-------_---_-__--_----..--_--_--__-_

240 VAC WIRING

6. D THIS SYMBOL WITH A LETTER IN IT INDICATES A
WIRE CONNECTION ON THE CIRCUIT BOARD.

5. * VOLTAGE ADJUSTABLE.