BenQ VL3735 Service Manual page 80

2.4 OPERATIONAL INSPECTION CRITERIA:
No
1 Warm up time
1.1 After switching on the product the appearance of the picture takes more than 3
sec.
1.2 After appearance of the picture, picture quality is not acceptable after more than 5
sec
1.3 No display
2 Display Quality (include input: Video, TV, S-video, Y, Pr/Cr, Pb/Cb, DVI and PC)
2.1 H size --- out of specification.
2.2 V size --- out of specification.
2.3 Light output --- out of specification. < 400 cd/m
2.4 Offset --- Out of specification. >0.5mm
2.5 Tilt --- Out of specification >0.5mm
2.6 Brightness & Uniformity --- out of specification.
2.7 Color coordinates --- out of specification.
2.8 Color Check --- Out of specification
2.9 Gray stage check --- Missing stage
2.10 Video noise --- If video noise presented
2.11 DDC data error / incorrect
2.12 Mode detection error
2.13 Centering incorrect
2.14 Contrast ratio --- out of specification
2.15 OSD Malfunction
2.16 Zoom ON/OFF Function Failure.
2.17 Aspect function failure
3 Audio Quality
3.1 Audio malfunction
3.2 Speaker no function
3.3 Speaker Left / Right channel reverse
3.4 Volume mute malfunction
3.5 Audio out malfunction
4 Remote control malfunction
Project distance:6M; Project angle: ± 30 horizontal degree angle and ± 30 degree
vertical angle
Description
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