LG DX130 Service Manual page 19

Image
Display
Projector logo
screen display
Yes
Confirmation with none-signal state
Still dark after the
lamp is on for more
than 1min
No
Menu display
Yes
Input each signal
Image display
normally
Yes
Speaker work
normally
Yes
Check the
projection
Screen
Company Confidential
No
1. Check CW Sensor Board Ass'y malfunction.
2. Check Main Board Ass'y malfunction.
3. Check DMD Set malfunction.
1. Check Lamp deterioration (malfunction/usage time).
Yes
2. Check Power Supply Unit malfunction.
(No change occurs even after lamp replacement.)
3. Check DMD Set malfunction.
(No change occurs even after lamp replacement.)
No
1. Check Remote controller set malfunction, Low battery, and
outside operating rang.
2. Check Main Board Ass'y malfunction.
3. Check Main board connector (CN601、CN610) disconnected.
4. Check IR PWB Ass'y malfunction.
1. Check the pattern generator setting is wrong.
No
2. Check Main Board Ass'y malfunction.
3. Check DMD Set malfunction.
4. Check Setting on PC side (external output setting, resolution, etc.)
5. Check Cable malfunction (disconnection and pins broken).
1. Check Connector to keypad board (CN2) disconnected.
No
2. Check Connector to Main board (CN610) disconnected.
3. Check Speaker Ass'y malfunction.
4. Check Audio PWB Ass'y malfunction.
5. Check Main Board and keypad Board Ass'y malfunction.
LG_______________________
18
Rev. 09
Delta____________
2006/09/14