Service manual

ViewSonic Corporation Confidential - Do Not Copy PJ513D-1

PART II Operational Inspection Criteria

TEST CONDITIONS

Unless other prescription, the test conditions are as followings:

Nominal voltage: refer to operation manual

Environmental illumination:

Variable from 500 to 800 Lux (For appearance inspection)

Variable from 0 to 7 Lux (For functional inspection)

Temperature: 25±5℃

Visual inspection shall be done with the distance from eyes to the sample 45

cm.

Display mode: refer to operation manual

TEST EQUIPMENTS

Dark room

Pattern Generator: Chroma 2327 or equivalent

Minolta color analyzer CL200 or equivalent device with accredited traceability

DVD player

Power supply (100~240 VAC) with consumption meter

Measuring tape

TEST PATTERN

PATTERN PATTERN TEST ITEM Acceptance Criteria

Full white

ANSI

Brightness、

Bright

Uniformity、

FOFO

Contrast

Ratio、

(1) ANSI Brightness:(Normal Mode) 1600lm

(2) Uniformity: ANSI: 55% (Minimum)

(3) Contrast Ratio : 150:1 (Minimum, by ANSI

Standard Checkerboard Method), 1200:1(by All

White, All Black Method)

(4) White Point, Color :x = 0.312±0.04, y =

0.354±0.04

Full Dark

FOFO

Contrast Ratio

Contrast Ratio : 1200:1(by All White, All Black

Method)

Full Red

Impurity、CIE

coordinate

Chromaticity : Red: x =0.640±0.04, y= 0.345±0.04