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7. CIRCUIT DIAGRAM
1
2
A
TP300
B4
_MIDI_RST
_RST
1000p
G5
13MHz
CLKI
C307
D2
I2S_SCK
BLCK
D3
I2S_WS
LRCK
D1
I2S_SDO
SDI
D6
GPIO0
YMU787
B
C5
GPIO1
C1
GPIO2
C4
GPIO3
B1
LED2_GPIO5
C2
LDE1_GPIO4
C3
LED0
B2
MTR
1V8_MV
2V8_MV
VBAT
R312
0
C
C324
C327
C325
C328
C329
C330
C326
0.1u
1u
1u
0.1u
10u
0.1u
1u
VBAT
U304
MAX4684EBC_T
C4
C2
MIDI_HP_R
NO1
IN1
A4
A2
MIDI_HP_L
NO2
IN2
C1
C3
AUX_OUT_R
NC1
COM1
D
A1
A3
AUX_OUT_L
NC2
COM2
C332
C333
1u
0.1u
VBAT
U305
MAX4684EBC_T
C4
C2
SPK_P
NO1
IN1
SPK_RCV_SEL
A4
A2
SPK_N
NO2
IN2
C1
C3
RCV_P
NC1
COM1
SPK_RCV_P
A1
A3
RCV_N
NC2
COM2
SPK_RCV_N
C335
1u
E
SPK_RCV_SEL
L
RECEIVER
H
SPEAKER
1
2
LGIC(42)-A-5505-10:01
3
4
5
2V8_VEXT
100p
A1
C300
USC4
C1
USC5
82K
B1
U402
82K
R301
R300
B4
C336
C301
JACK_DETECT
STATE
B2
1u
1000p
B3
27K
1
USC
R305
0
HEADSET_SPK
R307
0.01u
3.3K
C304
HEADSET_SPK_L
HEADSET_SPK_R
B8
SPK_N
SPOUT2L
C310
B7
470p
SPOUT1L
H8
C311
C312
R311
SPOUT2R
47p
47p
3.3
J8
SPK_P
SPOUT1R
U300
E8
TXOUT
D7
EXTOUT
G7
EXC
E6
BBL
C8
HPOUTL
MIDI_HP_L
E7
BBR
C7
HPOUTR
MIDI_HP_R
C315
C316
C317
0.1u
0.1u
1u
C322
C323
0.1u
1u
HEADSET_PATH_SEL
HEADSET_SPK_R
HEADSET_SPK_L
MULTI_USB+
MULTI_USB-
2V8_VMEM
C334
0.1u
U306
MAX4717EBC-T
C4
C2
PCM_RX
NO1
IN1
PCM_EN
A4
A2
PCM_TX
NO2
IN2
USC_300
C1
C3
USC1
USC_1
NC1
COM1
USC_301
A1
A3
USC2
NC2
COM2
USC_2
R314
10K
3
4
5
6
7
2V8_VEXT
2V6_JACK
U402
MAX4764EBC+T
A4
U307
NO1
IN1
HEADSET_EN
C4
NO2
IN2
VIN
VOUT
C3
C1
VCC
A2
COM1
GND
C2
B2
GND
COM2
A3
EP1
NC1
C339
BYPASS
VEN
C338
C3
A3
A1
0.01u
EP2
NC2
1u
LP3985IBLX-2.8
C313
220u
C314
220u
R304
AUXIN
100
FL300
INOUT_B4
INOUT_A4
6
4
INOUT_B3
INOUT_A3
R309
7
3
INOUT_B2
INOUT_A2
AUXIP
8
2
INOUT_B1
INOUT_A1
100
9
1
ICVE10094E300FR
FL302
ICVE10094E300FR
R320
10K
INOUT_B4
INOUT_A4
DSR
6
4
INOUT_B3
INOUT_A3
C341
JACK_DETECT
7
3
INOUT_B2
INOUT_A2
1u
RPWRON
RPWRON
8
2
INOUT_B1
INOUT_A1
9
1
FL301
ICVE10094E300FR
USC0
INOUT_B4
INOUT_A4
6
4
DBUGTX
VUSBIN
INOUT_B3
INOUT_A3
7
3
DEBUG_TX
INOUT_B2
INOUT_A2
8
2
DEBUG_RX
INOUT_B1
INOUT_A1
9
1
DBUGRX
1
EAR_REM_INT
2
3
USC1
4
5
EAR_REM_ADC
6
VUSBIN
7
8
VUSBIN
C331
17
1u
C4
C2
NO1
IN1
USB_PATH_SEL
U303
STF203-22-TCT
A4
A2
6
1
NO2
IN2
D+IC
D+
C1
C3
5
2
USB+
NC1
COM1
VBUS
GND
A1
A3
4
3
USB-
NC2
COM2
D-IC
D-
U302
MAX4717EBC-T
Section
Designer
Checked
Approved
Iss.
Notice No.
Date
Name
LG Electronics Inc.
- 109 -
8
9
10
2V8_VEXT
2V8_VEXT
U308
DG3000DB
B1
A1
JACK_LDO_EN
IN
NO
EAR_MIC
R303
B2
A2
V+
COM
HOOK_DETECT
R315
4.7K
JACK_LDO_EN
1K
B3
A3
C342
GND
NC
C303
1u
0.1u
C340
1u
2V6_JACK
VCHARGE
R302
1K
C302
1.5K
EAR_MIC
2V8_VEXT
VBAT
R308
R306
0.1u
30K
C305
C306
22u
39p
CHG_DET
R310
30K
R316
R317
100K
100K
C308
C309
C337
39p
27p
47n
CN300
21
19
1
R319
2
EAR_MIC
NA
3
3 : USC0
4
4 : USC4
5
5 : USC5
6
6 : USC2
7
7 : USC1
8
9
10
11
12
13
14
14 : DSR
15
16
17
18
2V8_VMEM
20
VA300
VA301
22
PG05DBTFC
PG05DBTFC
C318
U301
MAX4701ETE+T
1u
16
NC1
COM1
15
C320
C321
IN1_IN2
NO1
USC2
C319
10u
1u
1u
14
2012
NO2
V+
13
COM2
NC4
12
NC2
COM4
11
GND
NO4
10
NO3
IN3_IN4
USB_EN
9
COM3
NC3
U301
PGND
USB_EN(IN3_4)
Jack_Det(IN1_2)
State
0
1
USC
1
D/C
USB
0
0
Jack_ADC
Date
Sign & Name
MODEL
SON80
01/10
S.J.PARK
2006
01/10
S.H.LEE
MAIN PCB
2006
DRAWING
NAME
01/10
(MIDI, MMI CONN.)
S.Y.LEE
2006
REV.1.1
DRAWING
(SPFY0123101)
NO.
LG Electronics Inc.
A
B
C
D
Sheet/
Sheets
3/10
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