Only For Training And Service Purposes - LG KP150Q Service Manual

R202
SPKNA
4.7
C206
47p
R208
SPKPA
4.7
C214 C215
47p 47p
FML
H2
EARN
J2
EARP
Copyright © 2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

R200
R201
U200
C204 220n R203 5.1K C3
IN-
C205 220n R204 5.1K C2
IN+
B1
SPK_EN _SHUTDOWN
C1
BYPASS
R210 C208
100K
1u
L100 100nH
L101 100nH
Figure 3-10-3 Speaker/Receiver Interface
- 33 -
3. HW Circuit Description
C200 DNI
VBAT
20K
C201 DNI
20K FB200
TPA6205A1ZQVR
A3
VDD
B3
VO+
C207 47p
A1
VO-
B2
GND
C216 C209
0.1u 2.2u
R112
R113
R205 0
SPK_P
R209 0
SPK_N
C210 C211 C212 C213
47p 47p DNI DNI
0
EAR_P
0
EAR_N
LGE Internal Use Only