Only For Training And Service Purposes - LG KG290 Service Manual

3. TECHNICAL BRIEF
R202 0
AMP_SHDN
C207
0.47u
R209 10K
ABB_P
ABB_N
C208
R211 10K
0.47u
R213
100K
LGE Internal Use Only
ACOUSTIC & MIDI
VBAT
C203
C200 NA
2.2u
R201 39K
U201 TPA6205A1DRBR
1 6
_SHUTDOWN VDD
R208
2 8
BYPASS VO-
3 5
IN+ VO+
R210
4 7
IN- GND
9
PGND
C209
220n
C211 NA
R215 39K
Figure 3-13. MAIN SPEAKER
VBAT
C201 C202
C204 0.1u 39p
0.1u
SPK_N
0
SPK_P SPK_RCV_N
SPK_N SPK_SEL
0
REC_N
R214
200K
Copyright © 2007 LG Electronics. Inc. All right reserved.
- 34 -
U202
NLAS5223BMNR2G
1 10
VCC NO2 SPK_P
2 9
NO1 COM2 SPK_RCV_P
3 8
COM1 IN2 SPK_SEL
4 7
IN1 NC2 REC_P
5 6
NC1 GND
SPK_SEL
L RECEIVER
H SPEAKER

Only for training and service purposes