LG CU400 Service Manual page 137

7. CIRCUIT DIAGRAM
ON_SW
END
D600 RB521S-30
ON_SW_N END
PM_ON_SW_N
D601 RB521S-30
EVLC18S02015
Change the circuit at the E Version
VREG_MSMP_2.6V
KEY
KEY_ROW(0)
600 601
1 2
KEY_ROW(1)
603 604
4 5
KEY_ROW(2)
606 607
7 8
KEY_ROW(3)
HOT601 609
KEY_COL(0) HOT4 0
KEY_ROW(4)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
LGE Internal Use Only
FOLDER_DETECT
R600
VREG_MSMP_2.6V
62
U600
VDD
G1
OUT G2
A3212EELLT-T
FOLDER_DETECT
HOT600 CLR MENU
HOT3
KEY_COL(4)
KEY_COL(3)
602 LEFT UP
KEY_COL(2)
KEY_COL(1)
3 KEY_COL(0)
605 OK RIGHT
6
608 SND SEARCH
9
HOT602 DN BACK
HOT5
CAM_EN
SPK_EN
CN600 CN601
1 1
KEY_ROW(4) KEY_ROW(3)
2 2
KEY_COL(5) KEY_COL(5)
3 3
KEY_BACK_LIGHT LED(16EA)
+VPWR
KEY_ROW(4)
LD601
KEY_ROW(3)
KEY_ROW(2)
KEY_ROW(1)
LEBB-S14H
KEY_ROW(0)
LD604
LEBB-S14H
LD607
LEBB-S14H
LD610
LEBB-S14H
LD613
LEBB-S14H
KYBD_BACKLIGHT
- 138 -
VOL
CON600
1
KEY_ROW(0)
2
KEY_ROW(1)
3
KEY_ROW(2)
4
KEY_COL(5)
5
LD600
R603
100ohm
LEBB-S14H
LD602
R604 R605
LD603
R606
100ohm 100ohm
LEBB-S14H
100ohm
LEBB-S14H
LD605
R607 R608
LD606
R609
100ohm 100ohm
LEBB-S14H
100ohm
LEBB-S14H
LD608
R610 R611
LD609
R612
100ohm 100ohm
LEBB-S14H
100ohm
LEBB-S14H
LD611 LD612
R613 R614 R615
100ohm 100ohm 100ohm
LEBB-S14H LEBB-S14H
LD614 LD615
R616 R617 R618
100ohm 100ohm 100ohm
LEBB-S14H LEBB-S14H
LGMC
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Only for training and service purposes