LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
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EDLH0014501
EDLH0011901
EDLH0007901
KEY PCB BACKLIGHT LEDs
LD705
SSC-TWH104-HL
R714
+VPWR
LD702
47
SSC-FR104-II1
R718
200
47
R719
47
R715
R717
200
LD703
47
R716
LD701
SSC-FR104-II1
VA711
ICVS0514X350FR
LD704
LEGG-S14G
LD700
SSC-TWH104-HL
KYPD_LED_EN
LD702 (+VPWR)
VA711 (KYPD_LED_EN)
LD700~705 and R714~719 (Main)
Schematic of keypad backlight part