NEC LCD1550X Service Manual page 60

(9) Check the movement of stand without SIGNAL-CABLE (DVI-D / DVI-A) and AC-POWER-CORD.
<Inclination>
Display (top) unit should move properly without abnormal sound such as clattering or squeaking when it is
moved as Picture A below.
Display (top) unit should not move when (+) button on the front is pressed lightly with the index finger.
<Pivot>
Display (top) unit should move properly without abnormal sound such as clattering or squeaking when it is
moved as Picture B below.
Confirm that display (top) unit can be compensated by pivot adjustment.
<Up-Down>
Display (top) unit should move properly without abnormal sound such as clattering or squeaking when it is
moved as Picture C below.
<Swivel>
Display (top) unit should move properly without abnormal sound such as clattering or squeaking when it is
moved as Picture D below.
Display (top) unit
Picture A Picture B Picture C
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