TM5-1260-206-34
APPS System Fine Alignment Procedures - Continued
Table 2-10.
STEP ITEM
PROCEDURE
NO.
c. Observe the following:
Channel B
Channel A
Adjust screw (14)
9
Observe that channel B sine wave nulls as adjust screw is rotated.
Rotate adjust screw until the following is observed:
10
a. Set as follows:
Display Mode = Channel A
= 10 usec/cm
TIME/DIV
=X10
MAGNIFIER
b.
Rotate HORIZONTAL POSITION control until the right-to-low
transition is on the center grid line of the oscilloscope.
NOTE
The square wave transition is used as
a zero reference point. As the photo-
carriage is moved the reference point
will move.
2-37
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