LG KP175 - Key Back-Light Illumination

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Only for training and service purposes
3. TECHNICAL BRIEF
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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.
Figure 3.12 KEY BACK-LIGHT ILLUMINTION
KEY BACKLIGHT
LD405
LD401
SSC-TWH104-HL
LD407
47
R414R413
47
R410
47
VA401
ICVN0505X150FR
47
R407 R409
47
LD402
47
R412R411
47
LD403
DNI
C408
ICVN0505X150FR
VA400
SSC-TWH104-HL
LD406
LD400
47
R408
VBAT
LD404
KEY_BACKLIGHT