Keypad Light - LG U8290 Service Manual

3.10.8 Keypad Light

There are 17 blue LEDs in key board backlight circuit, which are driven by KEYBD_BACKLIGHT line
form PM6650.
+VPWR
LD1 LD11
LEBB-S14H LEBB-S14H
LD2 LD5
LEBB-S14H LEBB-S14H
LD3 LD6
LEBB-S14H LEBB-S14H
LD4 LD7
LEBB-S14H LEBB-S14H
LD13 LD14
LEBB-S14H LEBB-S14H
LD17
LEBB-S14H
Figure 3.10.8-1 Keypad Backlight Circuit
- 61 -
3. TECHNICAL BRIEF
LD12
LEBB-S14H
LD8
LEBB-S14H
LD9
LEBB-S14H
LD10
LEBB-S14H
LD15
LEBB-S14H
LD16
LEBB-S14H
KYBD_BACKLIGHT