Key Back-Light Illumination - LG KP175 Service Manual

3. TECHNICAL BRIEF

3.12 Key Back-light Illumination

In key back-light illumination, there are 8 White LEDs in Main Board, which are driven by
KEY_BACKLIGHT port from AD6726.
R407
47
LD400 LD401
LGE Internal Use Only
R408 R409 R410 R411 R412
47 47 47 47 47
LD402 LD403 LD404 LD405
KEY_BACKLIGHT
Figure 3.12 KEY BACK-LIGHT ILLUMINTION
VBAT
KEY BACKLIGHT
C408 R413
47
DNI
VA401
ICVN0505X150FR
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R414
47
Only for training and service purposes