Keypad Light - LG U250 Service Manual

3.11.6 Keypad Light

There are 8 Blue LEDs in Main key backlight circuit, which are driven by KYDB_BACKLIGHT line from
PM6650.
+VPWR
LD400
LD403
LD406
REV_B : EDLH0013501 --> EDLH0006001
KYBD_BACKLIGHT
Figure 1.22 Schematic of KEY back light circuit (KEY side)
KEY_BACK_LIGHT LED(8EA)
LEBB-S14H
R411
100ohm
LEBB-S14H LD404
R414
100ohm
LEBB-S14H LD407
R417
100ohm
- 61 -
3. TECHNICAL BRIEF
LD402
LEBB-S14H LD405
R415
100ohm
LEBB-S14H
LD408
R418
100ohm
LEBB-S14H
R413 100ohm
LEBB-S14H
R416 100ohm
LEBB-S14H
R419 100ohm