Key Back-Light Illumination - LG KP210 Service Manual

3.11 Key Back-light Illumination

In key back-light illumination, there are 12 Blue LEDs in Main Board, which are driven by
KEY_BACKLIGHT1 and 3 signal from AD6721.
KEY BACKLIGHT
R206
R207 R208
47 47
LD200 LD201 LD202
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Only for training and service purposes
VBAT
VA201 VA202
R209 R210 R211
47 47
47 47
LD203 LD204 LD205
KEY_BACKLIGHT
Figure 3.11 KEY BACK-LIGHT ILLUMINTION
3. TECHNICAL BRIEF
LD206 LD207 LD208
VA203
EVL5M02200
- 39 -
LD209 LD210 LD211
LGE Internal Use Only