LG KE800 Service Manual page 85

7. CIRCUIT DIAGRAM
1 2
PMIC & Li-ion CHARGER
A
R202
RTC_OUT PWRON VBACKUP
220K
R206
470K
SPOWER_INT
VCH_CTL
_PMRST
VBAT
B
FB201 1V8_MEM 3V1_USB 1V5_RF VBAT
PWRON
L201
10uH
USB_PU
VBUS_USB
C217 C218 C219 C220 C221
C216
0.1u
22u 22u 2.2u 2.2u 2.2u
C
2V72_IO 2V85_CARD 2V85_IO2 2V85_SIM VBAT
C223 C224 C225 C226 C227
D
2.2u 2.2u 2.2u 2.2u 1u
E
AUDIO AMP SUB SYSTEM & SIGNAL DISTRIBUTOR
CN202
1
F SPK_N
2
SPK_P
VA205
VA204 EVL5M02200
EVL5M02200
2V85_IO2
U208
FSA2267L10X
1 9
BBP_SND_R 1B0 1A
2 8
G FM_SND_R 1B1 1S
3 7
BBP_SND_L 2B0 2S
4 6
FM_SND_L 2B1 2A
C240
0.1u
FM_BBP_SEL AMP_IN_L AMP_IN_R Application
H FM_SND_L FM_SND_R FM RADIO
L BBP_SND_L BBP_SND_R HEADSET
H
1 2
3 4 5
VCHG 2V11_RTC 1V5_CORE 1V5_DSP 2V85_RF VBAT 2V7_VCXO 2V65_BT
R203
4.7K
C203 C204 C205 C206 C207 C208 C209
2.2u 4.7u 4.7u 4.7u 2.2u 2.2u 2.2u
2V65_ANA VBAT
1 36
VCHS VCXOEN VCXO_EN
2 35
VBATS VDDA
3 34
VRFC VANA
4 33
ON VSSR
R208 82K C214 C215
5 U203 32
VDDPW IREF
6 31 C213 0.1u
SW BYP
7 30 2.2u 2.2u
VSSPW PMB6812 VDDAU
8 29
VSSFB AUOP
9 28
FB AUON
10 27
VUPU VSSAU
11 26
VUSB AUIP
12 25
VBUS AUIN
C222
2.2u
VBAT
2V85_IO2
C231 C232 C230
0.1u 1u 4.7u
C233
0.1u
23 C235 1u
MONO_IN+
C236 1u
11 22
AMP_IN_R SCL SCL MONO_IN-
10 15
C237 C238
SDA SDA U209 MONO+ SPK_P
FM_BBP_SEL 47p 47p
13 17
AMP_IN_L ID_ENB LM4946SQX MONO- SPK_N
C239 0.068u
2 19
VOC RHP3D1
R220 4.7K
7 24
I2CSPI_VDD RHP3D2
14 8 C244 220n
I2CSPI_SEL RIN AMP_IN_R
5
ROUT
HS_OUT_R
HS_OUT_L
3 4 5
6 7 8
LI-ION CHARGING EXTERNAL RESET
VCHG VBAT
2V72_IO 2V11_RTC
R204
R205 C201 C202
100K
100K 10u 100u
U202 NC7WZ08L8X
_EXTRST
SPOWER_INT
_RESET
C211
0.1u
VIBRATOR
U204
SUY98005LT1G
R210
1
VIBRATOR_EN VIN
R211
3
1K VOUT
R212 2
GND
(H : Vibrator is activated) 100K
VBAT
CN201 FB?
1
MOTOR_N
2
VA202 VA203
EVL5M02200 EVL5M02200
CURRENT MONITOR
VSUPPLY VBAT
(0.2mm)
(0.2mm)
U206
R213
5 1
LOAD NC
47mohm 2
(0.2mm) GND
4 3
VIN IOUT I_MONITOR
ZXCT1010E5TA
C234 R215
2.2K
1u
BBP_SND_L
BBP_SND_R
MICRO-SD CARD LDO
VBAT 2V9_TF
U210 BH29FB1WHFV
1 5
TF_PWR_EN STBY NC
2 6
GND BGND
3 4
VIN VOUT
C246
C249
1u 2.2u
6 7 8
- 86 -
9 10 11
REMOTE POWER ON
VBAT
R201 0
U201 NLAST4599DFT2G
6 NO
COM 5
PWRON
4 NC
END_KEY
PM_INT
C210
_PMRST
1u
RPWRON
C212
R207
1000p 100K
VBAT
U211 R1114D281D-TR-F
R225
1 3
VDD VOUT RPWRON
1K
4 2
NC GND1
6 5
RPWRON_EN CE GND2
R224
C250 C251
100p 1000p
100K
L202
SLIDE
MOTOR_N
100nH
12
C228
1u
2V72_IO
R209 51K
SLIDE_DETECT
(H : Magnetic is absent)
C229
0.1u
EXTERNAL CHARGER
VBUS_USB VCHG
VBAT 2V72_IO
U207 ISL6299
1 10
CRDL BAT
2
USB
R216
10K
6 3
IMIN _PPR
4
_CHG
9
ICDL
7 8
USBON GND
5 11
_CHG_EN _EN PGND
C241 C242 R218 C243
R221 R217 R222
100K 39K 10K
1u 1u 100K 1u
Engineer:
Drawn by:
R&D CHK: TITLE:
KE800
DOC CTRL CHK:
REV-1.2
MFG ENGR CHK:
Changed by: Date Changed: Time Changed: QA CHK: REV:
mentor 2006-04-07 3:07:35 pm
9 10 11
12
A
B
C
D
E
F
R214
100K
CHG_EOC
G
H
LG Electronics
Size:
A3
12 1 8 A
Drawing Number: Page:
2/5
12