Heathkit HP 1144 Schematic

Page 1

120 VAC
50-60 Hz

24OVAC
50-60Hz

2 YEL I
f
7_AMP L
SLOW one If
BLOW em
p2 BRN
I .09 20w RED
[FOUR .33 SW) F2
I
A:
$09 50w 20AMP
.33 5w)
ISMOOTH ________ 1-. ______
r; I C} I
<5 ELK-RED I I
' I
I I
05 94
l p- I
' 500 27° I I
ELK. GRN zovoc FULL ' 2w 2 '
LOAD I
I . CA: WHT
I VIOL
LK-YEL | I gm];
I
I
= | I __L. 1 -I
I : EN 2'
I
Q; ELK I as cs I : ,I
I 2200 .I I I I
I 96 VOLTAGE : I I
: 50° ADJ UST , l I
11.0.: R7 ' l
YEL one I "2500 0 520 I I I
I I n . I
_ _ I -_- _ _ _ _ ' < .3
_ _ I _ _. _ _ - |
L __________________________ J

NOTES-

SCHEMATIC OF THE
HEATHKIT®
AC POWER SUPPLY
MODEL HP-1144

1, RESISTOR VALUES ARE IN OHMS.

RES|STORS ARE
lII WAIT UNLESS OTHERWISE SPECIFIED.

Z. CAPACITOR VALUES ARE IN BF.
3. D THIS SVMEOL INDICATES CONNECTIONS T0

CIRCUIT BOARD.

III C) THIS SYMBOL |ND|CATES N0 LOAD Dc VOLIAcEs

MEASURED FROM POINT INDICATED TO GROUND.
VOLTAGES MAV VARY 257-.

Brunr: AF mun-n4