LG KE820 - Page 119

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Pin6
Pin6
PMIC & Li-ion CHARGER
LCD BACKLIGHT & CAMERA FLASH LED DRIVER
F
Drawing Number:
9
8
Changed by:
G
E
QA CHK:Date Changed:
MFG ENGR CHK:
12
MULTI-PORT SWITCH 1
8
5
Pin7
42
R&D CHK:
DOC CTRL CHK:
Pin7
TITLE:
2
Page:
B
6
C
G
E
Engineer:
11
Time Changed:
AUDIO POWER EXTERNAL LDO REMOTE POWER ON
10
BATTERY CURRENT MONITOR
EXTERNAL RESET
REV:
3
7
Pin7
6
H
Issue 1.0
LG Electronics
T.K.CHOI
Pin7
7
KE820
A3
12 1 8 A
4
D
Pin6
101
Pin6
Pin7
11
Size:
Pin6
H
A
Drawn by:
F
D
93
5
A
1
B
12
AUDIO AMP SUB SYSTEM & SIGNAL DISTRIBUTOR
C
W.J.KIM
100p
mentor 2005-06-01 3:07:35 pm 2/5
VSUPPLY
C461
22u
C220
1K
R214
100K
R453
VSUPPLY
VBAT
VBAT
C230
1u
C209
2.2u
0.1u
C247
470K
R208
C438
1000p
2.2u
C208
SI3457BDV
D1 D2 D3 D4
G
S
Q201
R438 NA
1000p
C460
C246
2.2u
C226
0.1u
220n
C447
C203
1u
1K
R454
TP206
U204 NLAST4599DFT2G
5COM
GND
3 1
IN
NC4
6NO
2
VCC
R218
R434 0
0
2V85_RF
CRS08
D201
R233
10K
C235
2V85_IO2
CE
6
2
GND1
5
GND2
4
NC
VDD
13
VOUT
33u
R1114D281D-TR-FU403
1u
NC7WZ08L8X
C231
U206
R219
100K
C248
470n
2.2u
C221
2.2u
120R206
C211
GND
2
3
IOUT
LOAD
51
NC
VIN
4
2V72_IO
L201
10uH
VBAT
U201
ZXCT1010E5TA
3V3_AUDIO
R447 NA
C215
1u
100p
C456
R439 NA
2V72_IO
R201 120
0R437
12R235
120R209
1V5_DSP
FB201
1u
C451
VBAT
R216
100K
1000p
C448
22u
C219
1u
C237
100K
R217
C210
2.2u
12
C218
2.2u
R238
C234
0.1u
100K
VBAT
R229
VBAT
TP208
0.1uC216
C240
100p
1u
C202
R213 82K
R236 4.7K
0.1u
VBAT
C236
C222
2.2u
100p
C241
E5
D1
MONO+
B1
MONO-
B5
NC1
NC2
D2
B4
PHONE_IN
RHP3D1
A4
RHP3D2
A3
RIN
D4
D5
ROUT
SCL
B2
SDA
A1
C2
VDD1 VDD2
C3 C4
VDD3
VOC
A5
VBAT
E2
CBYPASS
GND1
C1 C5
GND2
A2
I2CSPIVDD
I2CSPI_SEL
E1
B3
ID_ENB
D3
LHP3D1 LHP3D2
E3
E4
LIN
LOUT
42
18
VSIM1
19
VSIM2
27
VSSAU
8
VSSFB
7
VSSPW
VSSR
33
VUPU
10
VUSB
11
2V65_BT
U210
LM4845
35
VDDAU
30
VDDB
17
VDDC
46
VDDCH
43
VDDPW
5
39
VDDRF
VIB
13
VINT
21
45
VLBB1
47
VLBB2
VMMC
20
VRF1
40
VRF2
38 37
VRF3
VRFC
3
VRTC
IREF
LED
16 22
LRF3EN
4
ON
RESETQ
48
23
SCL SDA
24 15
SLED1
14
SLED2
6
SW
34
VANA
VBATS
2
12
VBUS
VCHC
44
1
VCHS
36
VCXOEN
VDDA
25
AUIN
AUIP
26
AUON
28
29
AUOP
BYP
31
9
FB
GND
49 41
INTOUT
32
0R215
PMB6812
U203
TP205
VCHG
100K
C207
2.2u
C232
1u
R211
2V11_RTC
10
9
VO2
4.7KR237
ISL9014IRJNZ
4
CBYP
EN1
2
EN2
3
GND
6
5
NC1
7
NC2
NC3
8
11
PGND
VIN
1
VO1
10K
U205
VCHG
R224
3
COM2
9
GND
6
4
IN1
8
IN2
NC1
5
7
NC2
2
NO1
10
NO2
1
VCC
2V72_IOVBAT
U211 NLAS5223BMNR2G
COM1
COM1
16
COM2
4
8
COM3
COM4
12
GND
6
IN1_2
2
10
IN3_4
NC1
1
5
NC2
NC3
9
13
NC4
15
NO1
3
NO2
NO3
7
11
NO4
V+
14
U209
DG2018DN
17
BGND
1V8_MEM
10K
R231
3V1_USB
G1
G2
1
2
3
C214
2.2u
CN201
0.15
R220
NA
C459
NA
C458
C233
1u
22K
R203
2.2u
C212
47mohm
3V3_AUDIO
100K
R212
R204
1K
R207
C201
2V85_SIM
C250
2V85_CARD
1u
0.068u
2V72_IO
3V3_AUDIO
R202
220K
C249 0.068u
C229
2.2u
C224
4.7u
C244
2V65_ANA
0R436
0.1u
NC1
5
7
NC2
2
NO1
10
NO2
1
VCC
C245 220n
NLAS5223BMNR2GU208
COM1
3
COM2
9
GND
6
4
IN1
8
IN2
R234
C2-
15
C3+
2 1
C3-
16
EN_FLSH
10
EN_SET
GND
9
ISINK1
5
ISINK2
6
7
ISINK3
8
ISINK4
17
PGND
VIN
4
VOUT_BL
13
VOUT_FL
3
1.5K
AAT2805IXN-4.5-T1
U202
C1+
11 12
C1-
14
C2+
C213
C204
2.2u
0.1u
2V7_VCXO
1u
C251
2V72_IO
1V5_RF
VBAT
2V11_RTC
2.2K
R210
R205 120
2.2u
C223
2.2u
0R442
C217
C238
4.7u
27p
C205
B
C
E
VBAT
2V8_AF
Q202
RN1307
VBAT
R228
10K
C242
220n
100p
3V3_AUDIO
C239
TP207
1V5_CORE
R451
0
C227
2.2u
C228
2.2u
C206
1u
C243
100p
AMP_IN_R
AMP_IN_L
BBP_SND_R
FM_BBP_SEL BBP_SND_L
FM_SND_L
AMP_IN_L
AMP_IN_R
FM_SND_R
SPK_N
SPK_RCV_N
RCV_N
RPWRON
RPWRON_EN
AU_PWR_EN
JACK_DETECT
MULTI_PORT_1
MULTI_PORT_0
TXD_0
SPK_P
SPK_RCV_P
RCV_PSPK_RCV_SEL
VCHS
USB_PU
VBUS_USB
RXD_0
USB_DM
USB_DP
REMOTE_ADC
REMOTE_INT
AF_PWR_EN
KEY_BACKLIGHT
RPWRON
_EXTRST
_PMRST
PM_INTSPOWER_INT
_RESET
VCH_CTL
MLED_C1
LCD_BACKLIGHT
FLASH_EN
PWRONRTC_OUT VBACKUP
VBUS_USB
FLASH_LEDA
HS_OUT_L
SPK_P
SPK_N
HS_OUT_R
SDA
SCL
MLED_A
MLED_C4
MLED_C3
MLED_C2
USB_PU
PWRON
END_KEY
BATT_TEMP
I_MONITOR
SPOWER_INT
BT_VCXO_EN
PWRON
_PMRST
SCL
SDA
VCH_CTL
VCHS VCXO_EN
7. CIRCUIT DIAGRAM