Wavetek 171 - Page 30

SYNTHESIZER
LOOP
RUNNING
BUT
FREQUENCY
BAD
SET
DIGITAL
SWITCH
TO 1.0000
6-10
FREQUENCY
RANGING
CHECK
CHECK
>-----
SYNTHESIZER
l;..OOP
(SHEET
21
REPLACE
IC14
REPLACE
IC15
REPLACE
IC16
CHECK
GENERATOR
PHASE
LOCK LOOP
(SHEET
5)
Figure
6-4.
Synthesizer Mode Checks
(Sheet
4
of
6)
REPLACE
IC17
CHECK
IC18, 19