Only For Training And Service Purposes - LG GT500 Service Manual

3. TECHNICAL DESCRIPTION
Audio Subsystem
A4
C338 1u A5
C339 1u D1
EAR_R
C342 1u D2
EAR_L
C343 18000p C1
SPKRP
C344 18000p C2
SPKRN
B2
B3
AMP_I2C_SDA
C3
AMP_I2C_SCL
1%
R322 15 D4
BEARP
R323 15 B4
BEARN
1%
C354
1u
Audio Subsystem
LGE Internal Use Only
Figure 3-3-2. Audio Interface Detailed Diagram(AB3100)
VBAT
C332
1u
C1N
A1
C1P HPR
A2
HPL
INA2
INA1
U301
MAX9877AEWP_TG45
INB2
D5
INB1 OUT+
B5
BIAS OUT-
SDA
SCL
RXIN+
RXIN-
Figure 3-3-3 . Audio Section scheme
C333 C334
1u 0.1u
HS_EAR_R
HS_EAR_L
SPK_RCV+
SPK_RCV-
Main MIC
MIC100
P
G1
G2
O
SPU0410HR5H-PB
- 48 - Copyright © 2009 LG Electronics. Inc. All right reserved.
C1000
47p
1
2
3
4

Only for training and service purposes

CCO1
MIC1N
MIC1P