Performance Specifications - Acer AT4220A Service Manual

Hsync: f < 1KHz, duty cycle > 25%
•
Vsync: f < 10Hz, duty cycle > 25%
•
The power consumption is valid over the specified voltage and frequency range. Power
consumption is measured from AC source. There are no power saving modes for TV, AV1, AV2,
COMPONENT 1 and 2, DVI and HDMI inputs.

Performance Specifications

The performance is checked at 25
White Balance and Uniformity
Set contrast and brightness at maximum.
Standard: 10000 degree K (x=280, y=288) on x and y value.
•
Warm: 6500 degree K (x=312, y=329) on x and y value.
•
Cold: 14000 degree K (x=263, y=273) on x and y value.
•
Display Area, Phase Center and Tilt
Display area: 42 inches diagonal
•
H-phase: A-B less than 1.5 mm
•
V-center: C-D less than 1.5mm
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Tilt: E-F less than 1 mm
•
Max. Brightness
The brightness should exceed 350 Cd/m
color temperature of Standard is selected. (Typical value would be at 400 Cd/m
Acoustical Noise
With the display operation, the sound test is followed the ISO-7779 and shall be less than 35 dB/A
in standard distance of 1 m. Also the display should not emit easily perceptible abnormal sounds.
Power Supply Electrical Specifications
Input Voltage and Frequency Range
Operating range of line voltage: AC 90V to 264V, 47Hz to 63Hz
•
Power consumption: under 291W
•
Chapter 1
o C environment.
E
C
A
D
2
while set both of contrast and brightness to max. and
F
B
2
).
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