Hitachi CP-DX250 Service Manual page 35

9 Focus
10 Dust
Horizontal/Vertical
11
Strips
12 Pixel Fail
1. Change Projection Lens
2. Check parallel between Projection Lens
Chip
Clean DMD Chip Clean DMD
1. Check connector between Chip BD and Main
2. Re-install DMD with Chip BD
3. Change new Chip BD
4. Change new DMD Chip
Change new DMD Change new DMD
34
datum and DMD
BD and Main BD