LG U8138 Service Manual page 242

9. CIRCUIT DIAGRAM
1 2 3
A
VBATI_4.2V
64
63
62
61
60
ONSWAn
59
KEYIN0
58
KEYIN1
7C_LED_VDD 57
KEYIN2
56
KEYIN3
55
KEYIN4
54
53
52
CAM_FLASH_ON
51
CAM_FLASH_SHOT
VDIG_2.8V 50
B
49
BL_PWL
48
FOLDER_DET
47
46
KEY_LED-
45
44
43
EARM
42
EARP
41
BL_EN
40
MOTOR_BATT
39
SPKP
38
SPKM
37
36
LCDCSX_SUB
35
LCDRESX
34
LCDVSYNCI
33
LCDWRX
32
LCDRS
31
LCDCSX_MAIN
30
C LCDRDX
29
PDID0
28
PDID1
27
PDID2
26
PDID3
25
PDID4
24
PDID5
23
PDID6
22
PDID7
21
20
EN_LED_R
19
EN_LED_G
18
EN_LED_B
17
KEYOUT0
16
KEYOUT1
15
KEYOUT2
14
KEYOUT3
13
KEYOUT4
12
KEYOUT5
11
10
D MARITATEMU1
9
MARITATEMU0
8
MARITARTCK
7
MARITATRST
6
MARITATDO
5
MARITATDI
4
MARITATMS
3
MARITATCK
2
1
CN962
BOARD TO BOARD CONECTOR
E
2003.11.18 LCDRESX PULL DOWN R MOVE
U8100 KEY V0.8
TVS VDIG
U8100 KEY PT V1.1 2004.01.14 ESD EMI FILTER -> RC Filter
F
VBATI_4.2V
HSMR-C191
G
KEY_LED-
H
1 2 3
4
CAM_FLASH_ON
EARP
EARM CONN_40_AXK840145J
R1152 270
EN_LED_R
R1151 270
EN_LED_B
C27 C28
47p 47p
R1134 100
BL_PWL
R1135 100
PDID1
R1136 100
PDID3
R1137 100
PDID5
R1138 100
PDID7
R1139 0
LCDWRX
C29 C30 C31 C32 C33 C34
30p 30p 30p 30p 30p 30p
R1145 100
LCDCSX_MAIN
R1140 100
LCDRESX
R1141 100
LCDVSYNCI
R1142 100
LCDCSX_SUB
R1143 100
LCDRS
R1144 100
LCDRDX
C35 C36 C37 C38 C39 C40
30p 30p 30p 30p 30p 30p
R1146 100
PDID6
R1147 100
PDID4
R1148 100
PDID2
R1149 100
PDID0
R1150 100
BL_EN
R1153 270
EN_LED_G
CN963
C43 C44 C45 C46 C41 C42
30p 30p 30p 30p 30p 47p
SPKM
SPKP
MOTOR_BATT
CAM_FLASH_SHOT
NA
D2 SMF05C
TOSHIBA LCD I/F
KEYPAD BACKLIGHT BLUE LED
4 5
8
40
39
38
37 VBATI_4.2V
36
35 SIDE1
KB26
34
D1
33
32
31 END 1SS388
30
29
28 VDIG_2.8V
27
26
25
24
23
22 KB1 KB6
21
20
19
18
17
16
15 1
4
14
13
12
11 7C_LED_VDD
10
9
8
KB2 KB7
7
6
5
4
3
2
1
2
5
KB3 KB8
3
6
KB4 KB9
SEND
CLEAER
KB5 KB10
MENU
SEARCH
VDIG_2.8V
R1130
FOLDER_DET
100K
C21
C26 10p
0.1u C25
0.1u
FOLDER OPEN DETECTOR
6 7 8
- 243 -
9 10 11
U8100_SIDEKEY_PAD
CN964
R1103 1
2
470
SIDE2
3
R1102
4 R1154
470
SIDE3
R1104
470
C23 C24 C22
470p 470p 470p
KB11 KB16 KB21
7 * UP
KB12 KB17 KB22
8 0
DOWN
KB13 KB18 KB23
9 # RIGHT
KB14 KB19 KB24
BACK GAME LEFT
KB15 KB20 KB25
MULTI CAM OK
KEYPAD
Engineer:
LG ELECTRONICS INC.
3G HANDSETS LAB.
Drawn by:
DEVELOPMENT GROUP 1
R&D CHK: TITLE:
U8138 KEY PT V1.3
DOC CTRL CHK:
BB KEY PAD PCB
MFG ENGR CHK: 2004.02.09
Changed by: Date Changed: Time Changed: QA CHK: REV: Drawing Number:
mentor FEB,17,2003
9 10 11
12
A
B
470
KEYOUT0
KEYOUT1 C
KEYOUT2
D
KEYOUT3
E
KEYOUT4
KEYOUT5
F
G
H
Size:
A2
12 1 8 A
Page:
1
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