Acer AT4220, Service Manual

Page: 42 / 78

36 Chapter 1
Line Fuse
The AC input shall be fused and become electrically open as a result of an unsafe current
condition. This fuse is inside the power supply converter and is not user replaceable, and must be
returned for replacement. This fuse shall be well-selected to handle inrush current for all
combinations of line voltage and frequency.
Overall Dimension
Unit: mm
Environment Requirements
Operating
25
o
+/- 5
o
for purity, white point, mis-convergence, luminance
measurements and white uniformity measurement
Operating temperature:
Operating humidity:
0
o
C to 35
o
C
10% to 90% (non-condensing)
Storage and Shipping
Storage temperature:
Shipping temperature:
Storage humidity:
Shipping temperature:
-20
o
C to 60
o
C
-20
o
C to 60
o
C
10% to 90% (non-condensing)
10% to 90% (non-condensing)
Altitude
Operating altitude:
Shipping altitude:
Storage altitude: 0 to 12,000 feet
0 to 40,000 feet
0 to 40,000 feet
Units tested at an altitude up to 12,000 feet must operate at
normal conditions without exhibiting abnormal behavior such as
arcing or shutdown.