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7. CIRCUIT DIAGRAM
1
2
A
2V8_VEXT
2V5_JACK
U202
1
4
GND
NC
2
3
Vin
VOUT
C206
C209
NCP563Q25T1
C906
0.1u
0.1u
0.1u
AUXIN
NA
2V8_VEXT
2V8_VEXT
C205
C203
39p
R203
1M
HEADSET_SPK_P
AUXOP
5
4
VIN-
B
1
VCC
JACK_DETECT
AUXIP
OUT
3
VIN+
GND
U201
2
HEADSET_MIC_P
MAX9075EXK-T
R204
330K
U203
YMU762
R220
0
1
11
C
13MHz
CLK1
HPOUT_R
4
10
_MIDI_RST
_RST
HPOUT_L
2V8_VEXT
30
ADD00
A0
31
12
_RD
_RD
EQ1
29
_MIDI_CS
_CS
5
13
NC
EQ2
R222
NC
28
_WR
_WR
3
_MIDI_IRQ
_IRQ
27
14
DATA08
D0
EQ3
26
2
DATA09
D1
LED
25
19
DATA10
D2
MTR
24
DATA11
D3
23
DATA12
D4
22
17
DATA13
D5
SPOUT1
21
DATA14
D6
20
C218
DATA15
D7
1000p
R224
2V85_VCAM
3.3K
6
18
PLLC
SPOUT2
9
VREF
C220
0.1u
32
15
SPVDD
D
FB201
IOVDD
R221
0
600
7
VDD
0
R225
C219
8
16
1u
VSS
SPVSS
R244
16POLY
10K
40POLY
NC
E
1
2
LGIC(42)-A-5505-10:01
3
4
5
2V5_JACK
HEADSET JACK
R211
1K
R209
20K
1.5K
R207
0
HOOK_DETECT
R210
R205
C207
C210
20K
39p
10u
C201
10u
R201
4.7
100
R206
R208
4.7
C208
C904
C202
R202
VA201
VA202
39p
1M
39p
39p
AVL5M02-200
AVL5M02-200
VA205
AVL5M02-200
VBAT
R212
20K
R216
20K
C907
0.1u
SPK_P_SM
U204 LM4898ITL
B1
C3
VDD
VO2
R1129
C217
30K
C1
A3
0.01u
IN-
VO1
R219
A1
A2
33K
IN+
BYPASS
C2
B2
AMP_SD
SD_SEL
SD_MODE
B3
C216
GND
R218
82K
390p
C211
C212
R1112
1u
1u
R215
100K
20K
R217
20K
R214
0
R213
0
VBAT
C214
C213
47p
47p
C215
1u
R212
10K
0
Iss.
3
4
5
6
7
8
R234
R233
VINNORP
100
0
C228
39p
C227
5
0.1u
1
R235
VINNORN
3
100
4
2
J201
SPK_R_P
SPK_R_N
VCHARGE
VBAT
C221
R241
10
0.1u
R236
R239
10
R240
1K
NA
SPK_L_P
3
4
SPK_L_N
R238
2
5
PRE_CHARGE
1.5K
1
6
R237
10K
Q201
UMX1NTN
Section
Sign & Name
Date
Designer
Checked
Approved
Notice No.
Date
Name
LG Electronics Inc.
- 98 -
9
10
2V5_VMIC
R231
1K
R232
C224
C226
2.2K
10u
39p
MIC200
1
C222
2
39p
SOB-413S44-RC3310
C225
C223
VA204
VA203
R230
39p
39p
AVL5M02-200
AVL5M02-200
2.2K
CLOSE TO MIC
Charge Indicator
VBAT
R298
R299
C299
39p
100
270
LD201
SML-521MUWT86
VCHARGE
VBAT
R297
U210
10K
NLAST4599DFT2
6
NO
INDLED_R
COM 5
INDLED_G
4 NC
R296 C298
C297
0.1u 2.7K
0.1u
RPWRON
Sheet/Sheets
MODEL
F2400
2/6
DRAWING
AUDIO / PreCharge
NAME
DRAWING
Ver.1.0
NO.
LG Electronics Inc.
A
A
B
B
C
D
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