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8.3 MMI, AUDIO
U301
YMU762
1
MCLK
CLK1
HPOUT_R
4
LCD_RESET
_RST
V_IO
30
HPOUT_L
A(1)
A0
31
EQ1
_RD
_RD
29
MIDI_CS
_CS
R302
5
NC
EQ2
NC
28
_WR
_WR
3
MIDI_INT
_IRQ
D(0:7)
D(0)
27
EQ3
D0
D(1)
26
D1
LED
25
D(2)
D2
MTR
24
D(3)
D3
D(4)
23
D4
D(5)
22
D5
SPOUT1
21
D(6)
D6
20
D(7)
D7
V_SRAM
R306 3.3K
PLLC
6
SPOUT2
VREF
9
R307
SPVDD 15
IOVDD
32
0
VDD
7
VSS
SPVSS
8
C308
C309
C310
0.1u
1000p
0.1u
C314
0.1u
SPKN
U303
MAX4684EUB
1
10
V+
NO2
2
9
SPKP
NO1
COM2
3
8
COM1
IN2
4
7
IN1
NC2
5
6
EAR_P
NC1
GND
EAR_N
R330
0
R321
R331
MICBIAS
1K
NA
C324
47p
C326
C332
C327
10p
NA
MICP
L301
0.1u
100nH
C328
C329
150p
NA
C330
MICN
L302
C331
0.1u
C333
100nH
10p
NA
11
10
C301
R301
12
0.01u
39K
13
C302
R303
82K
390p
R304
150K
14
2
R305
19
VIBRATOR
0
17
SPKP
SPKN
C306
C307
V_MIDI
47p
47p
18
16
C334
10p
SPK_RCVN
SPK
1
C316
47p
2
SPK_RCVP
C335
10p
SPK_EN
JACK_DETECT
MIC_BIAS
HOOK_DETECT
C325
10u
R322
NA
MIC_P
MIC_N
Iss.
- 131 -
VBAT
V_MIDI
U302
SI9182DH-33-T1
1
8
C_NOISE
_SD
LCD_RESET
2
7
DELAY
_ERROR
3
6
GND
SENSE_ADJ
4
5
VIN
VOUT
C303
C304
220n
1000p
R308
RCV_N
27
R309
RCV_P
27
C312
C313
10p
10p
R310
HSMICBIAS
1K
C315
10u
C687
4.7u
U304
MAX9075EXK-T
5
4
VIN-
1
VCC
OUT
GND
3
VIN+
2
C318
0.1u
HSMICP
C319
10u
HSO
(2012)
C320
47p
C339
10p
R319
100
C323
47p
Section
Date
Sign & Name
7/8
Designer
2003
Checked
Approved
Notice No.
Date
Name
LG Electronics Inc.
C305
1u
(1608)
EAR_N
EAR_P
L305
L303
100nH
2
100nH
J301
4
3
1
L306
L304
5
100nH
100nH
KJA-PH-3-0028
C338
C321
C322
C336
C337
10p
27p
27p
2p
2p
Sheet/
Sheets
MODEL
G5500/7050
3/6
DRAWING
MIDI, Audio
NAME
DRAWING
V1.4
NO.
LG Electronics Inc.
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