6.2.3 Check and Adjustment
1. Focus Offset Adjustment
@ Test mode
6 F)
@ None disc
Prove (10:1)
MOTHER BOARD ASSY
2. Grating Adjustment
Turn counterclockwise
from null.
@ Test mode
MOTHER BOARD ASSY
PD-M426
DC voltage
Oscilloscope
DC Mode
V: 5mV/div
H:
10mSec/div
Locate null.
Oscilloscope
DC Mode
V: 10mV/div
H: 5mSec/div
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