Heathkit H9 - S Ch E M a Ti C

SCHEMATIC
OF
THE
HEATHKIT@
VIDEO TERMINAL
MODET H9
NOTES:
'
l.
I
rNDtcATEs
A
coNNEcTtoN
To
A
ctRcutT BoARD
HoLE.
z.
+
rNDrcATEs
A
cHASsrs
GRouND.
I
3.
v
tNDtCATES
A
CIRCUIT
B0ARD
GR0UND.
4
-->
INDICATES
A
MALE
CONNECTOR
PIN.
THE
NUMBER
-
FOLLOW
I NG THE CONNECTOR NUMBER I ND I
CATES
THE PARTICULAR PIN NUMBER.
FOR
EXAMPLEI
P604-II
MEANS PLUG P604, PI
N II.
5.)>-TNDTCATES
A FEMALE
C0NNECTOR
ptN.
THE NUMBER
FOLIOW
I NG THE
CONNECTOR NUMBER
I ND I
CATES THE
PARTICULAR
PIN
NUMBER.
6, ALL
RES
I
STORS
ARE
I/2
WATT, IO% UNLESS
THEY
ARE
MARKED
OTHERW I
SE.
7.
ALL
RESISTORS
VALUES ARE
IN OHMS
(
K=IOOO,M=I.OOO,OOO
).
8 ALL
CAPACITOR
VALUES
LARGER
THAN
I
ARE
IN
pF
UNLESS
OTHTRWISF
INDICATED,
CAPACITOR
VALUES
LESS
THAN
I
ARE
lN
uF.
9.
REFER
TO
THE
"X-RAY
VIEWS''
FOR
THE
PHYSICAL
LOCATION
OF COMPONENTS.