Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
- 18 -
2-2. No Raster - LCD
(1) Symptom
1) Does’t minute discharge at module.
2) It maintains the condition where the front LED is normal.
(2) Check follow
Is the Inverter
On or Off
Check the Power board.
Off
No
Is the inverter
24V on power board
normal?
No
No
No
No
Is output
the normality Low/High
voltage except stand-by
5V?
No
'Inverter_On'
Signal is High of 5
th
pin
in P1000 on Main
board
Yes
On
Yes
Is the link cable
normal?
1. Check the Inverter connector.
2. Check the LCD Module.
Yes
1. Check the Main Board.
1. Reconnect the link cable in P804
No
1. Check the Main board.
1. Change the Power Board.
1. Change the Main Board.ß
Yes
Is the Power
Board normal?
Yes
Is the VSC
Board normal?
Is the P804's
output normal?
Содержание 37HIZ22
Страница 45: ...Jul 2007 Printed in Korea P NO MFL36483001 ...
