KEY BACKLIGHT
LEWWS44-E
LD601
10
R609
LD600
LEWWS44-E
VBAT
R610
10
KEY_BL
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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
5. TROUBLE SHOOTING
Numeric Key Matrix and LEDs on F-KEY
TP3
TP2
KEYPAD
AF
SHUTTER
609
star
608
604
601
680
680
R601
R600
600
606
R602
680
680
R603
R607
680
VOL_UP
680
R606
R605
680
680
R604
605
VOL_DN
602
607
AF CAM
603
sharp
KP_OUT(3)
KP_OUT(0)
KP_IN(2)
KP_OUT(1)
KP_IN(3)
KP_OUT(0:4)
KP_OUT(2)
KP_OUT(4)
KP_IN(1)
KP_IN(1:4)
KP_IN(4)
TP116
R126
22K
TP117
VSS_FLASH
E7
A6
VREF1
VREF2
L3
C9
PO_RESET_N_SCAN_OUT2
E9
RESET2_N_VSENSE2
D9
ON_OFF_SCAN_RESET
D8
LPBCK_ECHO
IREF2
L4
E6
FLASH_SINK
E8
BL3_PWM
_
D10
BL1_PWM_VSENSE1
BL2_PWM
E10
220n
C145
C146
1u
UPPER_KEY_BL
_WP
PO_RESET
KEY_BL
PWRON