Acer PH530 - Page 34

3-2
PH530
Condential
No Symptom Procedure
4 No Light On
-Ensureallconnectorsaresecurelyconnectedand
aren’tbroken
-CheckLampModule
-CheckDC-DC
-CheckBallast
-CheckMainBoard
5 Mechanical Noise -CheckColorWheel
-CheckFanModule
6 Line Bar / Line
Defect
-CheckiftheDMDChipandtheDMDBoardare
assembledproperly
-CheckDMDBoard
-CheckDMDChip
-CheckMainBoard
7 Image Flicker -Do“Reset”oftheOSDMenu
-EnsuretheSignalCableandSourcework
-CleanPhotoSensorBoard
-CheckLampModule
-CheckColorWheel
-CheckDMDBoard
-CheckMainBoard
8 Color Abnormal -Do“Reset”oftheOSDMenu
-AdjustColorWheelIndex
-CheckMainBoard
-CheckDMDBoard
-CheckColorWheel
9 Poor Uniformity /
Shadow
-EnsuretheProjectionScreenwithoutdirt
-EnsuretheProjectionLensisclean
-EnsuretheBrightnessiswithinspec.
(ReplacetheLampiftheBrightnessisless
thanspec.)
-CheckEngineModule
10 Dead Pixel / Dust
(Out of spec.)
-EnsuretheProjectionScreenwithoutdirt
-EnsuretheProjectionLensisclean
-CleanDMDChipandEngineModule
-CheckDMDChip
-CheckEngineModule
11 Garbage Image -EnsuretheSignalCableandSourcework
-CheckMainBoard
-CheckDMDBoard