LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
- 35 -
(1608, 10V)
SPEAKER & RECEIVER
10K
R224
120K
R228
R229
4.7
L201
22nH
15p
C217
C223
15p
NA
C224
R220
10K
470n
IN-
A3
VDD
VO+
B3
VO-
A1
B1
_SHUTDOWN
C210
TPA6205A1ZQVR
U204
BYPASS
C1
GND
B2
C2
IN+
C3
R_S_P
22nH
L202
220n
VBAT
C225
R_S_N
10K
R222
NA
C222
C212
470n
120K
R219
C211
2.2u
R221
4.7
15p
C221
470n
C215
100K
R226
SPK_P
REC_N
RADIO_SPK_L
SPK_AMP_EN
REC_P
SPK_N
Figure 3-10-2 Main Speaker(Receiver) interface