LG -A230 Service Manual page 125

VBAT
VUSB_LDO_4V9
C205
VDD_IO_1V8
C211
R205 1u
DNI
USB_DM
USB_DP
UART_RX
UART_TX
VDD_IO_1V8
DSS
R213
P/D USB
I2C_SDA
P/U UART
10K
I2C_SCL
ABB_INT_N
BATTERY CONNECTOR
VBAT
CN202
D1
(1%)
1
R235 10
2
3
D2
C253
C254 C255 C261 C262 C263
EAG62832501
4.7u 4.7p 3.9p
KQ03LV2-3P-3R 33u 33u 33u
LGE Internal Use Only
AUDIO SUBSYSTEM
Mini ABB
FM_LNA_EN VCAM_IO_1V8 VCAM_ANA_2V8 VCAM_DIG_1V8
1u 1u 1u 1u
C200 C201 C202 C203
VBUS_USB
RCV_SPK_N
RCV_SPK_P
1u
TP200
TP201
C209
1u
3
VIN
C213
25 23
VBAT1 VBUS1 HS_L
C215
26 24
VBAT2 VBUS2
HS_R
27 22
EXPDET D- MUIC_IO_M
21
U200
D+
MUIC_IO_P
11 RT9866A 20 FB202 1800
DN UID
12 19 R208 2.2K MUIC_ACC_ID
DP EAN62112401 RES
13 18
U1 CAP
14
U2
15
AUD1
16
AUD2
17
MIC
32
DSS
C223
1u
5PIN CONNECTOR
VBUS_USB
Line Width: 2mm
VDD_IO_1V8
C248
C249 C250
0.1UF CN201
1u 22pF
(1%)
6
R233
51K 8
10
12
BAT_TEMP
14
1
(1%)
R244 1
VA207 2
R236
C259 MUIC_IO_M R245 1
100K ICVL0518050FR 3
MUIC_IO_P
15p SEVY0005101
4
MUIC_ACC_ID
5
7
C260 9
11
22pF
13
15
GU073-5P-SD-E1500
ENRY0008801
VBAT
C206
C207
10u 0.1u
C210 1u
C212 1u
C5
OUT+ RCV_SPK_OUT_P
D5
OUT-
RCV_SPK_OUT_N
C2
IN1-
C1
IN1+
A2
IC200 HPL
HS_OUT_L
1u D2 A1
IN2- HPR HS_OUT_R
1u D1 WM9093ECS-R
IN2+
C219 1u D3
IN3-
C220 1u C3 B5
RCV_CALL
IN3+ CPVDD
A3 C221 2.2u
CPVSS
C222 2.2u
A4
CP
A5
CN
C224 2.2u
C225 C226
EUSY0403901 VDD_IO_1V8 47p 47p
C230 FB204 1800
2.2u
I2C_SCL
I2C_SDA
C233
2.2u C234
0.1u
R217 0
HS_GND
R243
0
VIBRATOR
10
VB200
R248
R238 1
VIB_P
10
2
C239 C240
WHVM-1030B10
33p 1u
SPK/RCV Dualmode Circuit
CN200
FB206 600 1
RCV_SPK_OUT_P
FB207 600 2
RCV_SPK_OUT_N
SUSY0028901
BRS-181213SL08-P
Close to SPK
sc_GD350
MCBA0059201
- 125 -
3.5phi JACK
VDD_IO_1V8
FOR TMUS C208 DNI
C204
FM_ANT
Q200 1n
R201
ZD200
S
2 1M L200 C208
D
100n 27p
3
VDD_IO_1V8 G
1
C264 150p
EQFP0000101
HS_GND
R239 100K
R203
R240
DNI
10
R246 20 FB200 1800 2
HS_OUT_R
R247 20 FB201 1800 3
HS_OUT_L
4
HS_JACK_DET
FB203 1800 5
VA208 6
SEVY0005101
ZD201 1
VA200 VA201
R241 R242
ICVL0518050FR
JAM3333-F32-7F
DNI DNI
ENJE0008001
EDTY0010101
VHS_MIC
HS_GND
C227
2.2u
R215
C231 22n
HS_MIC_N
2.2Kohms
C232
FB205 1800
DNI
R216
C235 22n
HS_MIC_P
1K
VA202
C228 C229
10n 10n
VDD_IO_1V8
U202
5 R222 100
4 VIN-
1 VCC
HS_HOOK_DET
OUT 3 VIN+
GND
2
NCS2200SQ2T2G
EUSY0250501
R237
100K
MICROPHONE
R228 1K R229 2.2K
VMAIN_MIC
C241 L201 100n
R230
100
MAIN_MIC_P
L202 100n
0.033uF
C242
39pF
C243
R231 100 MIC guide line check
MAIN_MIC_N
0.033uF
VA203 VA204
C246
10u
MAIN GND
Copyright © 2011 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
M6
M1
M4F
M3
M4
M5
J200
SUMY0003816
2
OBM-410L44-RC1882
1
MIC200
Only for training and service purposes