Table of Contents
Advertisement
7. CIRCUIT DIAGRAM
1
2
CLOSE TO EARJACK
R203
C201
20K
AUXIN
A
0.1u
C207
R207
NA
NA
2V8_VEXT
2V8_VEXT
R210
C213
1M
39p
AUXOP
5
VIN-
4
1
VCC
JACK_DETECT
AUXIP
AUXIP
OUT
3
VIN+
GND
U202
2
LMV7291MGX-NOPB
R216
330K
JACK_DETECT
B
L
REMOVE
H
INSERT
VBAT
U203
MAX4684EBC_T
C4
C2
SPK_P
SPK_RCV_SEL
NO1
IN1
A4
A2
SPK_N
NO2
IN2
C1
C3
RCV_P
NC1
COM1
SPK_RCV_P
A1
A3
RCV_N
NC2
COM2
SPK_RCV_N
C
C227
1u
SPK_RCV_SEL
L
RECEIVER
H
SPEAKER
U207
YMU762C-QZE2
D
R233
0
1
13MHz
CLK1
HPOUT_R
4
_MIDI_RST
_RST
HPOUT_L
30
ADD00
A0
31
_RD
_RD
29
_MIDI_CS
_CS
5
NC
28
_WR
_WR
3
_MIDI_IRQ
_IRQ
27
DATA08
D0
26
DATA09
D1
25
DATA10
D2
MTR
24
DATA11
D3
23
DATA12
D4
22
DATA13
D5
SPOUT1
21
DATA14
D6
2V85_VCAM
2V85_VCAM
20
C236
DATA15
D7
1000p
R241
3.3K
6
PLLC
SPOUT2
9
VREF
E
C239
0.1u
32
SPVDD
IOVDD
7
VDD
8
C241
C242
VSS
SPVSS
1u
1u
1
2
LGIC(42)-A-5505-10:01
3
4
5
2V5_JACK
R202
1K
R204
1.5K
R205
12K
HOOK_DETECT
C206
C208
C209
NA
22u
0.1u
C214
33u
R212
4.7
R214
4.7
C606 0.1u
VCHARGE
VBAT
VCHARGE
ERHZ0000757
C220
R219
15
(5%,1/10W)
1u
2V8_VEXT
R222
R223
0
Q401
1K
R610
LD200
10K
2SC5585
3
R224
R225
2
RPWRON
Q200
NA
7.5K
R226
1
R227
NA
R228
10K
UMX1NTN
20
C233
SPKP_P
0.1u
R232
20K
11
10
C234
0.01u
R237
12
EQ1
24K
13
EQ2
C235
R240
82K
390p
14
EQ3
2
LED
19
17
SPK_P
SPK_N
18
VBAT
C237
C238
47p
47p
15
C240
0.1u
16
Iss.
3
4
5
6
7
8
2V8_VEXT
2V5_JACK
U201
1
4
GND
NC
2
3
Vin
VOUT
C204
C205
NCP563Q25T1
0.1u
0.1u
R208
VINNORP
C210
39p
R211
VINNORN
5
1
3
4
2
J200
BLUETOOTH
VBAT
2V8_VBT
U204
VIN
VOUT
R221
3
4
GND
BGND
330
2
6
BT_EN
STBY
NC
1
5
BH28FB1WHFV
C222
C223
C224
15p
2.2u
0.1u
2V8_VBT
C228
0.1u
2V8_VMEM
5
1
PCM_TX
VCC
4
PCM_SYNC8
3
USC3
C232
GND
0.1u
U205
U206
2
TC7SH08FS
MAX4717EBC-T
C2
C4
PCM_EN
IN1
NO1
A2
A4
IN2
NO2
C3
C1
USC1
COM1
NC1
A3
A1
USC2
COM2
NC2
Section
Date
Designer
Checked
Approved
Notice No.
Date
Name
LG Electronics Inc.
- 112 -
9
10
2V5_VMIC
R201
1K
R206
C202
C203
10u
39p
2.2K
100
R209
0
MIC200
C211
1
2
39p
C212
0.1u
100
SOB-413S44-RC3310
R213
2.2K
CLOSE TO MIC
ANT201
NC1
R218
FEED
NC2
33p
L515
NA
C225
C226
2.2u
15p
2V8_VBT
M201
LBMA-2C67B2
R229
16
22
_BT_RST
RESETB
VDD_1_8V
21
0
VDD_DIG
3
C229
VDD_VREGIN
1
NA
PIO0
L511
C230
C231
2
4
22nH
PIO1
GND1
2.2u
2.2u
7
6
PIO2
GND2
8
11
PIO3
GND3
9
25
PIO4
GND4
10
PIO5
27
R230
47
UART_TX
DEBUG_RX
24
R231
47
PCM_RX
UART_RX
DEBUG_TX
28
23
NC
UART_RTS
26
PCM_TX
UART_CTS
13
19
R234
47
USC_1
SPI_CLK
PCM_IN
PCM_TX
14
17
R235
47
SPI_CSB
PCM_OUT
PCM_RX
12
18
R236
47
USC_2
SPI_MOSI
PCM_SYNC
PCM_SYNC8
15
20
R238
47
SPI_MISO
PCM_CLK
USC0
Sign & Name
Sheet/Sheets
MODEL
C3380
2/6
DRAWING
AUDIO / PreCharge
NAME
DRAWING
VER-1.0
NO.
A
A
B
B
C
D
LG Electronics Inc.
Advertisement
Table of Contents
