LG KG300 Service Manual page 64

Microphone
MicroPhone
P1 MICP0
C205 C205
100P 100P
C0402 C0402
P1 MICN0
Speaker
Components in metal case
C237 100N C237 100N R212 R212 20K 20K
P1 MP3_OUTR
C0402 C0402 R0402 R0402
C234 N.C_100N C234 N.C_100N R217 R217 N.C_20K N.C_20K
P1 MP3_OUTL
C0402 C0402 R0402 R0402
P1 GPIO1_OP1_EN
B200 B200
MMZ1608S102C MMZ1608S102C
C200 100N C200 100N
L0603 L0603 C0402 C0402
C212 C212
33P 33P
C0402 C0402
B202 B202
MMZ1608S102C MMZ1608S102C
C208 100N C208 100N
L0603 L0603 C0402 C0402
C211 C211
33P 33P
C0402 C0402
C239 C239 100P 100P
C0402 C0402
R213 R213 43K 43K
R0402 R0402
U200 U200
A1 C2
-IN Vo2(+)
A3 A2
+IN Vo1(-)
VBATBB
C1
BYPASS
C241 C241 1U 1U
B3
VDD
C0402 C0402
B2
GND1
C238 C238
C3 B1
/SHUTDOWN GND0
2U2 2U2
LM2890 LM2890 C0603 C0603
NCP2890-D NCP2890-D
R214 R214
100K 100K
R0402 R0402 On-semi NCP2890-D
MICIN+
R202 R202
N.C_0R N.C_0R
ESD205 ESD205
R0402 R0402 ESD ESD
R203 R203
1K 1K
R0402 R0402
B213 B213
0R 0R
L0402 L0402
1 2
SPK+
C243 C243 B212 B212
SPK- 100P 100P 0R 0R
C0402 C0402 L0402 L0402
1 2
C242 C242 C244 C244 ESD211 ESD211
33P 33P 33P 33P ESD ESD
C0402 C0402 C0402 C0402
- 65 -
5. Circuit Diagrams
MICBIASP
SMT Microphone
U201 U201
1 4
OUT POW
3 2
GND IN/C
SPM0204HE5 SPM0204HE5
SPM0102ND3 SPM0102ND3
P3 USBD-
MICIN+
P3 USBD+
D201 D201
PESD5V0L5UY PESD5V0L5UY
SC88 SC88
AAC SPK :
DMS1608F-02-PC-G
Louder SPK
connector
LS203 LS203
CBE-2809-2258H CBE-2809-2258H E201 E201
P30-02B1-00 P30-02B1-00 N.C_SPK_PROBE N.C_SPK_PROBE
SPK1P AS5016-A0G1E AS5016-A0G1E
SPK1N
ESD212 ESD212
ESD ESD
R206 R206
1K 1K
R0402 R0402
C202 C202
10U 10U
C0805 C0805