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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. TECHNICAL BRIEF
LGE Internal Use Only
Figure. 3-3-2 GM200 AUDIO CIRCUIT DIAGRAM
3.3 AUDIO control
Figure. 3-3-1 GM200 AUDIO BLOCK DIAGRAM
3.3.1 AD6725-ATLAS3HLITE Audio Interface
(20082120)
C163,164:0.1u->1u (for SFR)
R219 : 1.1K -> 150K(1%), R138 : 2.2K -> 150K(1%)
R139
0
T19
WDDI
WDDQ
T18
R19
WUDI
WUDQ
R18
T20
UCLK
P18
USB_DM
N18
USB_DP
M13
USB_ID
USC0
W9
AB10
USC1
V11
USC2
USC3
AA9
V10
USC4
AA8
USC5
W8
USC6
SIP_TESTMODE
J6
M21
SPWR1
SPWR2
M22
TCK
A9
P3
SCKE
LIGHT1
F18
LIGHT2
G17
LIGHT3
G18
K21
JACKSENSE
KEYON
K22
KEYOUT
L20
AIN1P
H20
J21
AIN2N
J22
AIN2P
G22
AIN3C
AIN3L
G21
AIN3R
H21
AOUT1N
E22
E21
AOUT1P
N20
AOUT2N1
AOUT2N2
N21
P20
AOUT2P1
P21
AOUT2P2
AOUT3L
E20
F20
AOUT3R
J20
AIN1N
B20
AFCDAC
K20
ACCDET
T
X
E
V
_
3
9
V
2
p
9
3
5
6
1
C
C158
39p
1u
C166
p
9
3
4
6
1
C
0.1u
C
162
150K
R138
p
9
3
8
6
1
C
1u
C167
150K
R129
100K
R137
C
I
M
V
_
5
V
2
9
6
1
C
p
9
3
1u
C163
39p
C159
N
_
C
I
M
KEY_BACKLIGHT2
FM_R
FM_L
SPK_SND_L
SPK_SND_R
KEY_BACKLIGHT3
USB_P
USB_N
P
_
C
I
M
P
_
C
I
M
_
S
H
N
_
C
I
M
_
S
H
N
_
V
C
R
P
_
V
C
R
JACK_DET_3.5
AFC
POWERKEY
KEY_ROW4
SD_CKE
USC0
USC1
USC2
3
C
S
U
USC4
USC5
USC6