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8. CIRCUIT DIAGRAM
1
2
A
V_IO
U203
MAX4624EUT-T
1
6
SPK_EN
IN
NO
2
5
VCC
COM
3
4
GND
NC
R252
NA
C235
0.1u
B
EAR_SPK
R208
RCV_N
22
R250
RCV_P
22
C
C212
10p
D
Close to MIC
R214
MICBIAS
1K
C217
C218
1uF
4.7u
(1608)
C220
0.1u
R219
MICP
10
C224
0.1u
R222
MICN
10
E
1
2
LGIC(42)-A-5505-10:01
3
4
MELODY IC
C861
R843
0.022u
33K
1
MCLK
4
LCD_RESET
V_IO
30
A(1)
31
_RD
R203
29
MIDI_CS
NA
5
28
_WR
3
MELODY_INT
D(0:7)
27
D(0)
D(1)
26
25
D(2)
24
D(3)
23
D(4)
22
D(5)
D(6)
21
20
D(7)
V_SRAM
R207 3.3K
6
9
32
7
8
C209
C210
C211
0.1u
1uF
0.1u
C208
100p
EAR_N
EAR_P
C213
10p
EAR_SPK
HOOK_DETECT
R220 100
C228
47p
R217
2.4K
Close to MIC
MIC201
OBG-13L42-C33
C221
C222
2
27p
27p
1
R224
C230
C231
1K
27p
27p
3
4
5
6
7
U201
YMU762
11
CLK1
HPOUT_R
10
_RST
HPOUT_L
C201
A0
R201
12
EQ1
_RD
0.01u
39K
_CS
13
EQ2
NC
VCC_EXT
VBAT
C202
_WR
R205
NA
_IRQ
390p
R206
150K
14
EQ3
D0
2
D1
LED
19
D2
MTR
VIBRATOR
R230
R231
NA
D3
D4
17
D5
SPKP
SPOUT1
D6
SPKN
D7
C206
C207
PLLC
47p
47p
18
SPOUT2
VREF
SPVDD 15
IOVDD
VDD
16
VSS
SPVSS
V_IO
R210
1K
HSMICBIAS
R211
10K
Close to Ear-jack
C214
2.2u
C216
(1608)
10u
R212
(2012)
5.6K
R213
47K
C219 10u
R216
22
(2012)
HSO
HSMICP
R232
0
L201
100nH
C223
0.1u
AUXI
R233
NA
C225
NA
Section
Designer
Checked
Approved
Iss.
Notice No.
Date
Name
5
- 114 -
8
9
VCC_EXT
VBAT
U202
SI9182DH-33-T1
1
8
C_NOISE
_SD
2
7
DELAY
_ERROR
0
3
6
GND
SENSE_ADJ
4
5
VIN
VOUT
C203
C204
C205
2.2u
220n
NA
(1608)
R241
0
Close to Ear-jack
J201
R215 4.7
5
1
3
4
R218
4.7
2
N.A.
N.A.
C226
C227
R221
C229
1K
27p
27p
68p
R223
33K
C232
R225
22K
27p
Date
Sign & Name
MODEL
L1150
03/18
YW YOON
2004
03/18
DS JUNG
2004
DRAWING
NAME
DRAWING
LG Electronics Inc.
NO.
10
A
BCLKX
B
C
D
JACK_DETECT
Sheet/
Sheets
2/8
AUDIO
V1.2
LG Electronics Inc.
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