Heathkit HP 1144A Schematic

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Extracted text from Heathkit HP 1144A Schematic (Ocr-read)

Page 1

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Fault!!!

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aw
1 ' no
T B I
r- : 51-88 1/ URN

1 t I- - - 1 .2 Q1 ..

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.I._ I I_ __ _ _l
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: E c rt; '1 +
I r O L _ _ __l
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2 o VAC 0 Q 2 20w
4I7'25
W I R IN G
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02
22:33::
aus

REMOTE
AC SWITCH

i l" l

58-620

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

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

AC POWER SUPPLY

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

AAAAA

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.