the regular
NCSU, connect
probe to terminal
(SYNC signal)
NCSU circuit packs
listed in TABLE A
are installed
square wave present
NOTE 1. Go
NCSU, connect
connected in
Yes
No
No
ALIGN 39B OSCILLATOR FREQUENCY USING EXTERNAL REFERENCE
Yes
No
[6] At rear of
PACK
TABLE A
048-27
048-25
LOCATION
048-67
[4] At rear of
timing reference
(+5v)
of scope to
cliplead from
2.048 MHz signal
[2] At NCSU 1A
power switch,
[1] Is BSRF
to Step 2
Step 4
[7] See
channel 1 scope
FG65
FG72
FG76
scope
[8] SYNC channel 1
67-219B
terminal
67-217B
to
terminal
67-000T
[3] Ensure
[5] Is 2.048 MHz
on channel 1 of
lamp lights)
rotate
ROS/OFF
to
ROS
(
OS
and
OFF NORM
depress (
PWR OFF
lamps light) and
NOTE 1
BSRF is not
DS1A must be used
operative. Alternate
DLP
PAGE 1 of 5
234-151-013
530
Issue 8
DEC 1995
