Wavetek 171 - Page 23

TURN
DC
OFFSET
OFF
SELEC"
"v
CHECK
GENERATOR
LOOP
(SHEET 2)
GENERATOR
CHECK
NOTE:
Unless
otherwise indicated, test points and designators
apply
to generator
(upper)
·board
and
mode selector
is
in
generator mode.
CHECK
IC11
CIRCUIT
CHECK
SW2A&B
&
IC8CKT
REINSTALL
R111
CHECK
R110
1
.....
NO
CHECK
CR17
-
20
&
015
CKT
,,,,........
APPROX
±1V
'\;
AT
R110WIPER
WITH
AMPLITUDE
CW?
REMOVE
R111
APPROX
±1V
'\;
AT
R110
WIPER
WITH
AMPLITUDE
CW?
'-..-../'
SET
WAVEFORM
TO~
CHECK
016-
22
CIRCUIT
&
OUTPUT
A
TTEN
(SYNTHESIZER
BO)
REINSTALL
R111
Figure 6-2. Generator Mode Checks (Sheet 1
of
3)
CHECK
CR17-
20
&SW2
A&
B
6-3