LG LG-A270 - File and Screen Issues

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
3.12 KEY BACLKLIGHT LED Interface
Key Backlight LED 1 &2 is controlled by Current source LED driver port of MT6251 like as LCD Backlight.
Figure 3.12.1 Key Backlight Block
VA215
DNI
VBAT
330
R232
LD203LD202LD201
DNI
VA214
LD200
R233
330
1u
C230
R234
330330
R231
M_KEY_LED1
M_KEY_LED2