LG LG-A270 - Torch LED Interface

3. TECHNICAL BRIEF
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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3.14 Torch LED Interface
3 Torch LEDs is controlled by LED Controller of MT6251. KP_LED is the current controller of MTK6251 LED Driver.
Current is controlled by SW and Max Current is 150mA.
Figure 3.14.1 Torch LED Block
P16
K12
M13 P17
R17 L11
M4
R16
P15
N13
T16
J12
R8 R7
P7
P6
N6
GPIO27 GPIO28 GPIO29
GPIO30
GPIO31
KCOL0
KCOL1 KCOL2
KCOL3 KCOL4
KP_LED KROW0
KROW1 KROW2
KROW3
KROW4
KROW5
TF_DATA0
TF_CMD
TF_CLK
LSA0
KEY_IN3
KEY_OUT2 KEY_OUT1
LCD_MAKER_ID
JTAG_RTCK
TORCH_LED
KEY_OUT3
KEY_OUT4
KEY_IN1 KEY_IN0
KEY_IN2
KEY_IN4
VA404
LD410
4 3
2
1
LD420
4 3
2
1
LD400
4 3 2
1
R407
4.7
DNI
VA408
VBAT
TORCH_LED