5.0 GENERAL DEFINITION AND TEST CONDITION
Unless otherwise specified, all QA tests to verify specifications must be performed under standard operating condition as
following.
5.1 Test signals
Chroma 2250 or Quamtum Data 903 video pattern generator.
5.2 Warm-up time
30 minutes min. after power switch on with specified power line voltage and signal applied.
5.3 Direction
CRT neck should face magnetic west.
5.4 Ambient luminance
400 to 600 LUX.
5.5 Ambient magnetic field
The magnetic field shall be same as the earth magnetic field of the country where the product will be sold.
5.6 Ambient temperature
25 ± 5℃, less than 2℃ fluctuation are allowed during test.
5.7 AC Input power
120VAC ± 10%, 60 ± 3Hz or 240VAC ± 10%, 50 ± 3Hz.
5.8 Inspection Equipment
a. Customer Graticule.
b. Minolta CA-100 color analyzer or equivalent.
c. Klein convergence error measurement gauge CM7AG.
d. Microscope 10X.
Unless otherwise specified, the brightness control must be set at 50%, and adjust contrast control to 33FL measured with
20% video white window pattern.
ViewSonic Corporation
8
Confidential – Do Not Copy
G220f-1_G220fB-1
To Next Page
Loading...
