[9] See NOTE 1.
to stop moving
Yes
No
CLOCK
CHAIN
0
1
2
3
PHR
RELAY
LOCATION
066-24
066-47
166-24
166-47
TABLE A
CLOCK
CHAIN
0
1
2
3
waveform appeared
0PHR
1PHR
0PHR
1PHR
Has channel 2
[6] Connect channel 2 probe to terminal 018
of
FB214
pack associated with clock chain
OMAU
VERIFY
cliplead between terminal 1 of
PHR
[10] Repeat from
Step 8 changing
thumbwheel
settings to stop
movement of
waveform
AND
AND
ALIGN 39B OSCILLATOR USING OPEN LOOP METHOD
[5] SYNC scope to signal connected
[7] Connect oscillator manual
adjustment unit to 39B
a = chain to be adjusted
[3] At rear of clock chain, connect
relay associated with clock chain
removed from service and frame
[4] Connect channel 1 scope probe to
terminal 218 of
FB214
pack associated
with clock chain removed from
removed from service [TABLE B]
[1] Obtain scope and
allow it to warm up
ground [TABLE A]
service [TABLE B]
to channel 1
[2] Enter
RMV:NCLK 0,CHAIN
a!
[8] Set oscillator manual adjustment
unit thumbwheels to 2000 and
enter by depressing
LOAD
pushbutton
LED goes off
NOTE 1
replacement
oscillator should
FB214 PACK
LOCATION
066-33
066-39
166-33
166-39
TABLE B
word entered into
is not between 0800
oscillator that
and 3800 is
indication that
Final frequency
be obtained. Call
next level of
technical support
for assistance.
DLP
PAGE 1 of 3
234-151-013
527
Issue 8
DEC 1995
