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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
4.19.1. LCD Lighting LED Trouble Shooting
NO
Is the Voltage level VBAT
3.35 ~4.2?
Backlight will work properly
START
YES
Check the soldering of U600 not
working
NO
Are all LEDs
LED_C1~5, Navi_LED_1
Working?
Charge Battery
YES
LCD_BL_CTRL of U101(Main)
is Working?
YES
Check the condition
If problem, Replace U101(Main)
NO
YES
NO
Check the LCD display
Trouble shooting
Go to LCD Display Trouble
shooting
Содержание GD330
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