91
ViewSonic Corporation
Confidential - Do Not Copy
PJ503D-1
5. Optical & Optical Engine Trouble Shooting Guide
5-1 Optical Trouble Shooting Guide
No. Item
Trouble Shooting Guide
1 Brightness
1.
Change lamp
2 Uniformity
1.
Change lamp
3 FOFO
Contrast
1.
Check ADC calibration
2.
Check user’s menu brightness & contrast are default
3.
Clean DMD
4.
Clean PL
5.
Check ILL stop assy
4 ANSI
Contrast
1.
Clean PL
2.
Clean DMD
3.
Change PL
5 Color
1.
Check color wheel delay
2.
Check CW 50% point. Replace CW if necessary
6 Color
Uniformity 1.
Change lamp
7 Blue
Edge
1.
Refer to Item#2-1 (attached below)
2.
Change CM
3.
Change SUB HSG
8 Blue/Purple
Border
1.
Refer to Item#2-1(attached below)
2.
Change CM
3.
Change SUB HSG
9 Focus
1.
Change Projection Lens
2.
Check PL datum and DMD parallel
10 Dust
Clean DMD
11
Horizontal/Vertical
Strips
1.
Check connector between ChipBD and MainBD
2.
Re-install DMD with ChipBD
3.
Check if any pin of C-Spring is missing, damaged or dirty
4.
Change new ChipBD/C-Spring
5.
Change new DMD
12
Pixel Fail
Change new DMD
Summary of Contents for PJ503D-1
Page 26: ...23 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 Figure2 ...
Page 35: ...32 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 Figure1 15 ...
Page 37: ...34 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 Fig3 2 ...
Page 44: ...41 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 Fig 5 5 ...
Page 50: ...47 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 Figure9 5 Figure9 6 Lamp Module ...
Page 55: ...52 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 ...
Page 112: ...109 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 8 PCB Layout Diagrams ...
Page 113: ...110 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 ...
Page 114: ...111 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 ...
Page 115: ...112 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 ...
Page 116: ...113 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 ...
Page 117: ...114 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 ...
Page 118: ...115 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 ...
Page 119: ...116 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 ...
Page 120: ...117 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 ...
Page 121: ...118 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 ...
Page 122: ...119 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 ...
Page 123: ...120 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 ...
Page 124: ...121 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 ...
Page 127: ...124 ViewSonic Corporation Confidential Do Not Copy PJ503D 1 Packing ...