Key Baclklight Led Interface - LG -A270 Service Manual

3.12 KEY BACLKLIGHT LED Interface

Key Backlight LED 1 & is controlled by Current source LED driver port of MT651 like as LCD Backlight.
C230
1u
M_KEY_LED1
LGE Internal Use Only
VBAT
R231 R232
330 330
LD200 LD201
VA215
DNI
Figure 3.12.1 Key Backlight Block
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3. TECHNICAL BRIEF
R233 R234
330 330
LD202 LD203
VA214
DNI
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Only for training and service purposes
M_KEY_LED2