QIGO
-TIME BASE
QIG2
O
ptional
O
scillator
R2O5
+
I5V
Y1OI
[ÜTF
CRjas
CIB2
,0015
SEE
PARTS
LIST
FOR
EARLIER
VALUES
AND
SERIAL
NUMBER
RANGES
OF
PARTS
MARKED
WITH
BLUE
OUTLINE.
---------- A
ttenuators
(BOTH
X5O)
UIGOD
15
U SOB
U2OOD
S2¾S
CSAN¾ED
W/R.ÎÎ5)
Q240
-U222A
Az
D
isplay
B
oard
Qiqo
IUOC-q
CRI8IB
DIRECT
INPUT
*
switch
D
etent
C
ounter
.
T
ime
- B
ase
UI5OA
CRI8IA
U2OI
UIGOC
z
F
3
FT
U2O9
I
DISPLAY
CLEAR.
+
15
VOLTS
5
VOLTS
O
VOLTS
[
measureiaent
INTERVAL.
I
*
.oi sec
ft
ft
I
0.1
SEC
*
-
ft
ft
I
*
1.0
SEC
ft
ft
ft
ft
IO
SEC
* ft
ft
s
MANUAL
*
MANUALM
£
ft
ft
ft
ft
'OSEC
*
ft
ft
t
1.0
SEC
¼
-
•
ft
ft
ft
-
O..SBC
x
-
[ft
ft
»
-
.OI
SEC
-
£
ft
I
-
IO
PRE-SCALE
C
O
U
N
T
E
R
T
IM
E
B
A
S
E
&
C
O
N
T
R
O
L
S
Summary of Contents for DC 502
Page 4: ...DC 502...
Page 24: ...39 39 Relocated on back of board SN B070000 REV MAY 1974...
Page 33: ...FIG 1 EXPLODED...