
- 50 -
3. TECHNICAL BRIEF
3.14.7 Keypad Light
There are 16 White LEDs in Main board backlight circuit, which are driven by KPD_DRV_N
line from PM6650.
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
KEY_BACK_LIGHT LED(16EA)
R609
100ohm
LEBB-S14H
LD614
LEBB-S14H
LD615
LEBB-S14H
LD601
LEBB-S14H
LD607
100ohm
R613
100ohm
R615
LD606
LEBB-S14H
100ohm
R611
R604
100ohm
100ohm
R605
100ohm
R606
R616
100ohm
LD605
LEBB-S14H
R610
100ohm
LD611
LEBB-S14H
R614
100ohm
LD600
LEBB-S14H
R603
100ohm
LEBB-S14H
LD602
R608
100ohm
R618
100ohm
LEBB-S14H
LD603
100ohm
R617
LD604
LEBB-S14H
LD613
LEBB-S14H
VA614
EVL14K02200
LD610
LEBB-S14H
LEBB-S14H
LD612
100ohm
R607
LD609
LEBB-S14H
100ohm
R612
LEBB-S14H
LD608
KYBD_BACKLIGHT
+VPWR
Figure. Keypad Backlight Circuit
Summary of Contents for CU405
Page 1: ...Date May 2007 Issue 1 0 Service Manual Model CU405 Service Manual CU405 Internal Use Only ...
Page 175: ...Note ...
Page 176: ...Note ...