LG DX130 Service Manual page 18

Turn the
power ON
The lamp is ON
Yes
No
POWER: 4
READY: 1
No
POWER: 5
No
POWER: 6
No
POWER:
READY: 1 Blink
No
POWER: 9
READY: OFF
No
Image
Display
Company Confidential
Yes
Blinks
Blink
READY：3
Blinks
Yes
READY：0 Blink
Yes
Blinks
Yes
3 Blinks
Yes
Blinks
LG_______________________
1. Check Main board connector (CN306) disconnected.
2. Check Thermal sensor PWB Ass'y malfunction.
Lamp does not light：lighting operation sound (ignition sound)
Blinks
exists.
1. Check Main Board and Ballast Board Ass'y malfunction.
2. Check Ballast to Main board connector (CN605) disconnected.
3. Check Lamp failure (Lamp is broken, damaged, or burst).
1. Check Main board connector CN302 of Fan
READY：1 Blink
disconnected.
2. Check
1. Check Main board connector CN301 of Fan
READY：2 Blinks
disconnected.
2. Check
1. Check Main board connector CN300 of Fan
READY：3 Blinks
disconnected.
2. Check
1. Check Main board connector CN304 of Fan
READY：5 Blinks
disconnected.
2. Check
1. Check Lamp Cover or thermostat Ass'y is not attached.
2. Check Switch board (CN305) or Main board connector (CN600) is open.
Lamp does not light：No lighting operation sound (ignition sound) exists.
1. Check Flexible cable of Color Wheel Ass'y is disconnected and broken.
2. Color Wheel Ass'y malfunction (does not rotate).
3. Check Main Board Ass'y malfunction (Color Wheel Ass'y does not rotate).
4. Check Power Supply Unit malfunction.
5. Check Index board malfunction (color wheel turns fast).
17
Rev. 09
Burner fan malfunction.
Ballast fan malfunction.
Lamp fan malfunction.
Power fan malfunction.
Delta____________
2006/09/14