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7. CIRCUIT DIAGRAM
1
2
3
1V5_NEC_CORE
2V8_VMEM
2V8_NEC_AVDD
A
A
C700
C701
1u
1u
(GPIO_12)
B6
E9
PS
RESET_B
_MIDI_RST
(NAUXCS1)
J6
_MIDI_CS
CS_B_SCS
C756
1000p
H4
H2
ADD02
A2
CLKIN
13M_CLK
J5
ADD01
A1_RXD
K6
ADD00
A0_DATA_TXD
K7
C1
_WR
WR_B_SCLK
LINEOUT_L
J7
B
_RD
RD_B_SPIMODE
K8
F1
DATA08
D0_SERINIT
LINEOUT_R
J8
DATA09
D1
H10
DATA10
D2
H9
E2
DATA11
D3
VREF
G10
DATA12
D4
G9
DATA13
D5
F10
D2
DATA14
D6
IREF
F9
DATA15
D7
U303
A1
R708
C716
EUSY0221901
SHORT_K1
E10
K1
_MIDI_IRQ
INT_SG_B
SHORT_A1
56K
220n
F8
A10
(GPIO_37)
INT_DSP_B
SHORT_K10
K10
SHORT_A10
B8
B1
BCLK
NC8
A8
J1
LRCLK
NC9
A7
A2
ASI
NC10
B7
B2
ASO
NC11
J2
NC12
A5
K2
TRSCK
NC13
C
B5
C3
CLK8K
NC14
A4
D3
RDATA
NC15
E3
NC16
D9
F3
VIB
NC17
C10
G3
LED
NC18
K3
C2
PO0
TM0
J3
F2
PO1
TM1
K4
B3
MAX4684EBC_T
PO2
TM2
J4
A3
PO3
TM3
B4
TM4
AUX_SPK_R
AUX_SPK_L
D
E
VBAT
U702
VIN
3
GND
F
R733
330
2
BT_EN
STBY
1
(GPIO_2)
BH28FB1WHFV
C746
C747
C745
2V8_VBT
15p
2.2u
0.1u
C748
0.1u
U703
TC7SH08FS
5
1
PCM_TX
VCC
4
PCM_SYNC8
3
USC3
GND
2
2V8_VMEM
G
U704
MAX4717EBC-T
(GPO_18)
C2
C4
PCM_EN
IN1
NO1
A2
A4
IN2
NO2
C3
C1
USC_1
COM1
NC1
A3
A1
USC_2
COM2
NC2
R745
10K
H
2
3
LGIC(42)-A-5505-10:01
4
5
6
SPKPH_EN
_PREAMP_SHDN
_SPKAMP_SHDN
EARMM_EN
SPEAKER
MIDI, MP3
H
AMP Enable
AMP Enable
PHONE
(HEADSET)
AMP
AMP
VOICE
L
MIDI, MP3
SHUTDOWM
SHUTDOWM
(HEADSET)
2V8_NEC_AVDD
2V8_NEC_AVDD
SPKPH_EN
U302
C707
(GPIO_16)
MAX4684EBC_T
R700
100K
1u
R702
100K
C4
C2
NO1
IN1
U306 LM4809LQX-NOPB
A4
A2
8
1
SPKP_OUT_P
NO2
IN2
VDD
VOUT1
C709
470n
R703
20K
2
C1
C3
NC1
COM1
VIN1
7
VOUT2
C711
470n
R704
20K
A1
A3
6
NC2
COM2
VIN2
3
4
C712
BYPASS
GND
5
9
0.1u
_PREAMP_SHDN
_SHDN
BGND
(GPIO_46)
C714
0.1u
R709
33
R710
33
2V8_NEC_AVDD
U304
2V8_VMEM
VBAT
GPIO_6
C4
C2
U305
EARMM_EN
NO1
IN1
MIC2211-FMYML
A4
A2
1
10
NO2
IN2
VIN
VOUT1
R757
2
9
C1
C3
NC1
COM1
HEADSET_SPK_R
EN1
VOUT2
NA
R758
A1
A3
3
8
NC2
COM2
HEADSET_SPK_L
MIDI_EN
EN2
NC3
0
4
7
BYP
NC2
6
C721
GND
C725
5
11
C722
0.1u
NC1
BGND
0.01u
1u
BLUETOOTH
2V8_VBT
BT701
FEED
NC2
NC1
VOUT
ACS2450EBAF30
4
BGND
6
NC
5
C743
C744
2.2u
15p
2V8_VBT
M701
LBMA-2C67B2
16
22
(GPIO_9)
BT_RST
RESETB
VDD_1_8V
21
L701
22nH
VDD_DIG
3
VDD_VREGIN
1
PIO0
C749
C750
2
4
PIO1
GND1
2.2u
2.2u
7
6
PIO2
GND2
8
11
C751
PIO3
GND3
9
25
0.1u
PIO4
GND4
10
PIO5
27
R739
47
UART_TX
DEBUG_RX
(GPIO_33)
24
R740
47
UART_RX
DEBUG_TX
(GPIO_34)
28
23
PCM_RX
NC
UART_RTS
26
UART_CTS
PCM_TX
R741
47
TP710
13
19
SPI_CLK
PCM_IN
PCM_TX
TP711
14
17
R742
47
USC1
SPI_CSB
PCM_OUT
PCM_RX
12
18
TP712
R743
47
SPI_MOSI
PCM_SYNC
PCM_SYNC8
TP713
15
20
R744
47
USC2
SPI_MISO
PCM_CLK
USC0
4
5
6
7
8
VBAT
C705
C706
2V8_NEC_AVDD
1u
1u
U301
LM4666SDX
C708
0.1u
1
11
VINR-
ROUT1
SPK_R_N
C710
0.1u
2
VINR+
14
ROUT2
SPK_R_P
10
_SPKAMP_SHDN
_SHDN
(GPIO_17)
3
GAIN_SEL
4
LOUT1
SPK_L_N
C713
0.1u
8
VINL-
C715
0.1u
9
7
VINL+
LOUT2
SPK_L_P
1V5_NEC_CORE
2V8_NEC_AVDD
C723
C724
1u
1u
KEY-PAD BACK-LIGHT
VBAT
1u
1u
1u
1u
1u
1u
1u
SP701
SP702
SP703
SP704
(GPIO_22)
R732
KEY_BACKLIGHT
12K
C741
27p
Iss.
Notice No.
Date
Name
7
8
8
- 109 -
9
10
11
UART PORT
VBAT
UR701
3G
2.5G
1
GND
GND
2
RX
RX
USC_1
3
USC_2
TX
TX
4
UFLS
NC1
5
ON_SW
ON_SW
RPWRON
6
VBAT
VBAT
7
PWR
NC2
8
URXD
NC3
9
UTXD
NC4
10
DSR
DSR
11
USC4
RTS
12
CTS
USC5
VUSBIN
VCHARGE
Charging IC
VBAT
2V8_VEXT
D700
CUS02
U701
ISL6299
1
10
CUR_MON
CRDL
BAT
2
R711
USB
C717
R712
R713
10K
NA
0
10K
6
3
IMIN
_PPR
4
_CHG
CHG_STAT
9
ICDL
(GPIO_1)
7
8
R749
0
USBON
GND
5
11
CHG_EN
_EN
PGND
(GPIO_0)
R748
R714
R715
C718
C719
R716
C720
10K
39K
10K
1u
1u
100K
1u
CHG_EN_IO
VBAT
1u
1u
1u
1u
1u
1u
1u
SP705
SP706
SP707
SP708
SP709
SP710
SP711
SP712
SP713
SP714
IMX9T110
Q701
C740
27p
Section
Date
Sign & Name
Sheet/Sheets
MODEL
F3000
12/01
Designer
KIM YOUNG GI
7 / 7
2005
Checked
LIM SANG HO
DRAWING
MIDI/CHARGING / BLUETOOTH
NAME
Approved
LEE SEUNG YOON
DRAWING
VER. 1.3
LG Electronics Inc.
NO.
9
10
11
12
A
A
C
D
E
F
G
H
12
LG Electronics Inc.
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