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3. TECHNICAL BRIEF
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3.11.6 Keypad Light
There are 8 Blue LEDs in Main key backlight circuit, which are driven by KYDB_BACKLIGHT line from
PM6650.
Figure 1.22 Schematic of KEY back light circuit (KEY side)
KEY_BACK_LIGHT LED(8EA)
REV_B : EDLH0013501 --> EDLH0006001
R418
100ohm
100ohm
R415
100ohm
R411
R413 100ohm
LD408
LEBB-S14H
LEBB-S14HLD405
LD406 LEBB-S14H
R414
100ohm
LD400 LEBB-S14H
100ohm
R417
LD404 LEBB-S14HLEBB-S14HLD403
100ohmR416
LEBB-S14HLD402
R419 100ohm
LEBB-S14HLD407
+VPWR
KYBD_BACKLIGHT