LG KE990 Service Manual - Page 159

Wheel Switch Detect, Main - Subto B Conn., Bluetooth, Micro Sd, Camera Cover Detect

Get LG KE990 - LG Viewty Cell Phone 100 MB PDF manuals and user guides View all LG KE990 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 159 highlights

7. CIRCUIT DIAGRAM 1 2 A B C D E F LGE Internal Use Only 3 4 5 6 7 8 9 10 11 VREG_MSMP_2.7V VREG_MMC_3.0V R804 100K MICROSD_DATA[2] MICROSD_DATA[3] MICROSD_CMD MICROSD_CLK MICROSD_DATA[0] MICROSD_DATA[1] MICROSD_DETECT SS8C0H0 A1B0102 DAT2_RSV CD_DAT3_CS CMD_DI VDD CLK_SCLK VSS DAT0_DO DAT1_RSV DETECT COMMON DUMMY1 DUMMY2 33pC805 33pC806 1u C807 33p C808 33p R810 33pR811 33p C809 33p C810 Micro SD R801 100K R802 100K R803 100K R805 100K R806 100K C800 NA BT_ANT BT_GND R800 0 L800 NA BT_CLK C803 C804 1u 1u C801 1000p ANT 16 LBRQ-2B43A M800 9 CLK_REF 3 VCC_OUT 2 VDD_INT 10 VDD_MSM 14 VDD_BAT SBST SBCK SBDT 4 11 12 SYNC_DET_TX_EN 5 RX_BB_TX_BB 13 7 XTAL_IN BLUETOOTH LG INNOTEK TP800 TP801 TP802 R807 0 C802 1000p BT_SBST BT_SBCK BT_SBDT BT_TX_RX_N BT_DATA TCXO_BT GND1 GND3 GND2 GND4 PGND2 PGND1 PGND4 PGND3 R808 10K R809 10K 1 15 8 6 17 19 18 20 VREG_MSMP_2.7V C811 C812 100p 0.1u VREG_BT_2.85V C813 C814 100p 2.2u VREG_BT_2.85V VREG_MSMP_2.7V +VPWR VREG_MMC_3.0V EAR_MIC_P BT_SBST BT_TX_RX_N TCXO_BT BT_CLK BT_SBCK BT_SBDT BT_DATA V_BACK_UP HOOK_SENSE_N CAM_VDD_AF_2.7V CAM_VDD_SD_1.8V SPK_OUTSPK_OUT+ CN801 G1 1 40 2 39 3 38 4 37 5 36 6 35 7 34 8 33 9 32 10 31 11 30 12 29 13 28 14 27 15 26 16 25 17 24 18 23 19 22 20 21 G2 AXK840225WG Header MICROSD_CLK MICROSD_DETECT MICROSD_CMD MICROSD_DATA[0] MICROSD_DATA[1] MICROSD_DATA[2] MICROSD_DATA[3] CAM_MIC+ WHEEL_SW_R WHEEL_SW_L MMP_CAM_PWR_EN CAM_COVER_DET MAIN - SUB B to B Conn. VREG_MSMP_2.7V WHEEL_SW_R C? 0.1u R? 100K U? A3212EELLT-T VDD G1 OUT G2 C? 10p VREG_MSMP_2.7V WHEEL_SW_L C? 0.1u R? 100K U? A3212EELLT-T VDD G1 OUT G2 C? 10p WHEEL SWITCH DETECT SPK_OUT+ SPK_OUT- SPEAKER PAD OUT800 OUT801 SPEAKER +/- VREG_MSMP_2.7V CAM_COVER_DET C348 0.1u R318 100K U800 A3212EELLT-T VDD G1 OUT G2 C349 10p CAMERA COVER DETECT 5 6 7 8 9 10 11 12 A B C D E F G H 12 - 160 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
- 160 -
6
8
10
F
WHEEL SWITCH DETECT
MAIN - SUB B to B Conn.
12
BLUETOOTH
LG INNOTEK
B
D
C
A
C
9
Micro SD
SPEAKER +/-
G
D
9
E
11
3
5
10
8
8
10
11
CAMERA COVER DETECT
E
2
B
F
5
9
11
6
7
F
A
2
9
4
A
6
F
7
12
6
C
12
D
7
H
Header
B
B
AXK840225WG
10
D
5
G
11
SPEAKER PAD
5
4
7
3
H
1
8
1
12
A
C
E
U800
A3212EELLT-T
G1
G2
OUT
VDD
VREG_MMC_3.0V
100K
R318
1u
VREG_MSMP_2.7V
C804
100K
R804
31
32
33
34
35
36
37
38
39
4
40
5
6
7
8
9
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30
CN801
G1
G2
1
10
11
12
13
14
15
16
1000p
C802
OUT801
10K
R809
R806 100K
BT_ANT
VREG_BT_2.85V
C814
2.2u
C807
100p
1u
C811
R803
100K
TP802
+VPWR
100K
R802
VREG_BT_2.85V
0
R807
1u
C803
VREG_MSMP_2.7V
NA
VREG_MSMP_2.7V
C800
33pR811
C809
33p
TP800
10K
R808
OUT800
VREG_MSMP_2.7V
0
R800
1000p
C801
TP801
R801 100K
C?
C?
10p
C?
10p
C?
0.1u
VREG_MSMP_2.7V
VREG_MSMP_2.7V
0.1u
R?
100K
G1
G2
OUT
VDD
R?
100K
G1
G2
OUT
VDD
A3212EELLT-T
U?
A3212EELLT-T
U?
R810
33p
C812
0.1u
PGND2
18
19
PGND3
PGND4
20
RX_BB_TX_BB
13
SBCK
11
12
SBDT
SBST
4
5
SYNC_DET_TX_EN
3
VCC_OUT
14
VDD_BAT
VDD_INT
2
VDD_MSM
10
7
XTAL_IN
M800
LBRQ-2B43A
ANT
16
9
CLK_REF
1
GND1
GND2
6
8
GND3
GND4
15
17
PGND1
33pC805
C808
33p
33pC806
C349
10p
C348
0.1u
VREG_MMC_3.0V
C810
33p
BT_GND
100K
R805
CMD_DI
COMMON
DAT0_DO
DAT1_RSV
DAT2_RSV
DETECT
DUMMY1
DUMMY2
VDD
VSS
C813
S800
SCHA1B0102
CD_DAT3_CS
CLK_SCLK
100p
NA
L800
MMP_CAM_PWR_EN
WHEEL_SW_L
WHEEL_SW_R
CAM_MIC+
MICROSD_DATA[3]
MICROSD_DATA[2]
MICROSD_DATA[1]
MICROSD_DATA[0]
MICROSD_CMD
MICROSD_DETECT
MICROSD_CLK
SPK_OUT+
SPK_OUT-
HOOK_SENSE_N
EAR_MIC_P
CAM_COVER_DET
CAM_COVER_DET
WHEEL_SW_L
WHEEL_SW_R
BT_CLK
MICROSD_DETECT
MICROSD_CLK
MICROSD_CMD
V_BACK_UP
CAM_VDD_SD_1.8V
CAM_VDD_AF_2.7V
BT_DATA
BT_CLK
BT_SBDT
BT_SBCK
BT_SBST
BT_TX_RX_N
TCXO_BT
SPK_OUT+
SPK_OUT-
MICROSD_DATA[2]
MICROSD_DATA[1]
MICROSD_DATA[0]
MICROSD_DATA[3]
BT_SBCK
BT_SBDT
BT_SBST
BT_TX_RX_N
TCXO_BT
BT_DATA
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc.
All right reserved.
Only for training and service purposes