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1
A
B
DBB_MIDI_CS
DBB_EBUS2_WE
DBB_EBUS2_RD
DBB_MIDI_IRQ
DBB_MIDI_RESET
LRCK
BCLK
DAC_DATA
ADC_DATA
C
AUDIO_CLK
C720
100P
D
VCC_2V8
R709
L702
C728
C729
0.1U
1U
E
F
1
2
3
SPOUT1 B2
_SPOUT1
A1
TP701
F1
SPOUT2 A2
_CS
E2
_WR
D2
HPOUTL C3
_RD
TP702
H4
HPOUTC
A4
_IRQ
TP703
E6
HPOUTR C2
_RST
HPC B6
F5
_HPC
A8
LED
E5
MTR
LINEOUTL
B5
LINEOUTR B4
G7
URCK#0
U702
H6
BCLK#0
G8
YMU806
SDIN#0
H8
AUXL C5
_SDIN#0
G5
AUXR
C4
SDOUT#0_GPIO
G6
LRCLK#1
F6
MIN2_MONO
C7
BCLK#1
F7
MIN1
D8
SDIN#1
H5
MIG1 D7
SDOUT#1
MBS1
D6
D3
MBS2 C6
CLKI
E7
PLLC
EQ3 A6
EQ2
A7
R703
D5
EQ1 A5
6.8K
_TEST
C722
2.2N
L701
C725
0.1U
0
BLM15BB750SN1J
VCC_1V8
R710
0
C731
C732
0.1U
1U
R716
0
MIC_N
MICPHONE_N
R717
0
HEAD_MIC_N
HEADPHONE_MIC_N
2
3
4
5
FB701
BLM18PG121SN1J
SPK_RCV_N
FB702
BLM18PG121SN1J
SPK_RCV_P
HP_L
HP_C
HP_R
C704
1U
C709
47N
HEADPHONE_L
C711
47N
HEADPHONE_R
C714
0.1U
HP_REC
C715
0.1U
MIC_REC
C718
82P
R704
100K
C719
22N
R705
30K
AUDIO_CLK
VBAT
BLM18PG121SN1J
C727
C726
10U
0.1U
(1608)
DBB_MIC_PATH_SEL
HEAD_MIC_P
Changed by
4
5
6
U701
10
R728
10
1B0
RCV_P
2
R729
10
RCV_N
2B0
1
R730
0
1B1
SPK_P
3
R731
0
2B1
SPK_N
4
GND
FSA2268TUMX
2V5_JACK
C706
C705
10U
47P
(1608)
MIC701
C708
6
G4
5
PWR
4
G3
3
G2
2
G1
C713
1
OUT
SPM0410LR5H-QB
SUMY0010610
X701
4
C721
1000P
R706
1K
3
OUT
VDD
2
1
GND
EN
C723
24MHz
15P
CSC6R240000BEVRS00
VCC_2V8
C730
0.1U
U703
NLAS5223BMNR2G
1
R711
0
4
2
IN1
NO1
8
10
IN2
NO2
3
5
COM1
NC1
9
7
MIC_P
COM2
NC2
6
R732
100K
Date Changed
2009.06.02
6
7
8
8
1A
SPK_RCV_P
5
2A
SPK_RCV_N
7
S1
DBB_SPKRCV_SEL
6
VBAT
S2
9
VCC
R701
47K
22N
MIC_N
C710
NC
22N
MIC_P
VCC_2V8
DBB_AUDIO_CLK_EN
R708
C724
0.01U
100K
R712
0
HP_REC
0 : CALL
R713
0
MIC_REC
R714
0
HEADPHONE_MIC_P
1 : REC
R715
0
MICPHONE_P
Engineer
XXX
LG_ELECTRONICS
Drawn by
XXX
R&D CHK
Size
TITLE:
A3
GD300-TD Rev.1.0
DOC CTRL CHK
AUDIO
MFG ENGR CHK
QA CHK
REV
Drawing Number
Sheet
7 of 11
7
8
A
B
C
D
E
F
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