ViewSonic PJ503D-1 - Page 90

87
ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
No
Yes
1. Check Main board
2. Check color wheel and sensor board
3. Check DMD Chip board
1. Check color wheel and sensor board
2. Check Main board
3.
Check DMD Chip board
No
Yes
No
Yes
1. Check Main board
2. Check DMD Chip board
No
Yes
1. Check color wheel
2. Check sensor board color index signal
3. Check main board
No
Yes
1. Check DMD Chip holder
2. Check DMD Chip board
3. Check Main board
No
Yes
1. Check Main BD output to DMD Chip
BD Resistance soldering
2. Check Main BD output to DMD Chip
BD capacitor soldering
No
Yes
A
Image NG?
(Raindrops)
1. Check color wheel and Sensor board
2. Check DMD Chip and holder
3. Check Main BD Ram-Bus
Image NG?
(Blank)
Image NG?
(Screen flashing)
Image NG?
(Screen Dim-mish)
Image NG?
(Freezing)
Image NG?
(Missing column bar)
Image NG?
(Screen overlap)