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7. CIRCUIT DIAGRAM
C200
C201
C202
C203
0.1u
2.2u
0.1u
2.2u
R200 NA
CAM_CLK_2
D3
MIDI_RESET
_RST
R202
0
E2
CAM_CLK_1
CLKI
C209
2200p
R203
6.8K
D2
PLLC
C210
100p
H4
MIDI_CS
_CS__SS
F1
A(1)
A0
E3
A(2)
A1
J5
_WR
_WR_SCK
G4
_RD
_RD_SI
G3
D(0)
D0
J2
D(1)
D1
H2
D(2)
D2
G2
D(3)
D3
H1
D(4)
D4
J1
D4_H1
F3
D(5)
D5
G1
D(6)
D6
F2
D(7)
D7
J6
SO
R205
0
H5
SMODE
R206
0
G5
IFSEL
U201
YMU788
G7
VIBRATOR
MTR
J8
MTR_G7
H8
LED0
H7
LED1
J7
LED2
E7
MELODY_INT
_IRQ
H6
GPIO
G8
BCLK
F7
LRCK
F8
SDIN
SPOUT1_B7
E6
MCLK
D6
TESTI0
F6
TESTI1
G6
TESTI2
C7
TESTI3
100k ->0 ohm
R224
MICBIAS
1K
C235
C236
47p
4.7u
R225
(1608)
2.4K
MICP
C237
0.1u
MICN
C241
0.1u
C242
47p
C204
C205
0.1u
2.2u
U202
C206
C207
1
0.1u
2.2u
IN
2
R201
C208
VCC
0.1u
C2
NA
3
TXOUT
GND
A2
EXC
C6
EXTOUT
B5
BBL
B6
HPOUTL
RCV_P
C5
BBR
A6
HPOUTR
B3
HPC
RCV_N
C213
R208
0.022u
33K
B4
EQ1
A3
EQ2
R210 68K
A4
EQ3
C216
120p
SPEAKER
A7
SPOUT2
C217
2
47p
B7
SPOUT1
A8
1
CN201
C218
C219
C3
RXIN
47p
47p
A1
RXIN_C3
C4
EXTIN
D4
INDEX
HOOK_DETECT
HSMICP
HSO
C290
4.7u
Close to MIC
MIC201
SOB-413S44-RC3310
1
C238
C239
C240
2
NA
47p
39p
C243
R226
47p
1K
DG2001DV-T1-E3
6
NO
5
COM
4
NC
Close to IOTA
R204
Close to IOTA
0
R291
10
C291
C211
C292
47p
C212
NA
100p
NA
R292
R207
10
0
C293
C214
47p
NA
R211
HSMICBIAS
R212
3K
1K
C222
R213
C223
47p
15K
4.7u
R215
1K
C224
47p
L201
C226
R219
4.7
0.1u
100nH
R220
C227
R221
4.7
10u
15
SP201
C228
R223
C229
NA
C230
C231
C232
27p
47p
47p
27p
1K
Section
Date
Designer
05/07/26
Checked
05/07/26
Approved
05/07/26
LG Electronics Inc.
- 112 -
EAR_P
EAR_N
Close to Earjack
C220
C221
47p
4.7u
R214
5.6K
R216
JACK_DETECT
NA
R217
C225
27p
20K
2
J201
R218
0
4
3
1
5
R222
0
SP202
C233
C234
47p
47p
Sign & Name
Sheet/
Sheets
MODEL
LG9200
S. G. KIM
2/7(M)
T. S. PARK
DRAWING
MAIN_AUDIO
NAME
S. S. BAE
DRAWING
Ver 1.1
NO.
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Troubleshooting
