LG CG225 Service Manual page 103

7. CIRCUIT DIAGRAM
1
MIDI
A
MCLK
R205 6.8K
C213
2200p
B
C
D
EAR-MIC
Close to ABB
HSMICP
C254 0.1u
HSO
C255 10u
(1608)
E
1
LGIC(42)-A-5505-10:01
2 3 4
V_IO 1V8_MIDI V_IO VBAT
1V8_MIDI
C202 10u C203 10u C204 4.7u
U206
TC7SH08FS C205 0.1u
C206 0.1u
5 C207 0.1u C208 0.1u
1
VCC
4
C209
3 1000p
C210 0.1u
GND
2 D3
_RST
E2
CLKI
D2 C2
R204 NA PLLC TXOUT
H4
_MIDI_CS _CS__SS
F1 A2
A(1) A0 EXC
E3
A(2) A1
J5
_WR _WR_SCK
C214
G4 C6
_RD _RD_SI EXTOUT
100p
G3
D(0) D0
J2
D(1) D1
H2 B5
D(2) D2 BBL
G2
D(3) D3
H1
D(4) D4
J1 B6
D4_H1 HPOUTL
F3
D(5) D5
G1
D(6) D6
F2 C5
D(7) D7 BBR
J6
SO
H5 A6
SMODE HPOUTR
G5
IFSEL U201
YMU792
G7 B3
VIBRATOR MTR HPC
J8
MTR_G7
C223 22n R208
H8 B4
LED0 EQ1
H7
39K
LED1
J7 A3
LED2 EQ2
E7 A4 R209 120K
MELODY_INT _IRQ EQ3
H6 C227 47p
GPIO
A7
SPOUT2
G8
BCLK
F7 B7
LRCK SPOUT1
F8 A8
SDIN SPOUT1_B7
R213 33K
E6 C3 C228
MCLK RXIN
A1
RXIN_C3 C229
D6
TESTI0 47p
F6 C4
TESTI1 EXTIN
G6
TESTI2
C7 D4
TESTI3 INDEX
Close to Ear-jack
V_IO
R218
10K
R221 5.6K
R222 1K
HSMICBIAS
C247
R224 4.7u
C248 C249
(1608)
47p 4.7u
47K
(1608)
HOOK_DETECT
R225 1K
C250
47p
C251 C252 C253
10p 47p 27p
L201 100nH R227 4.7
L203 R229 22
L202 R228 C256
100nH
100nH 10p C257 C258
1K
10p 27p
2 3 4
5 6
CAMERA
1
3
MCLK
R203
VOICEMAIL_EN
V_IO
C215
0.1u
U204
DG3000DB
R206
RCV_P
C221
4.7
47p
C222
R207
0.1u
RCV_N
4.7
U205
NC2 COM2 SPK_RCV_N
A1 A3
NC1 COM1 SPK_RCV_P
C1 C3
NO2 IN2 SPK_EN
A4 A2
R212
NO1 IN1 100K
C4 C2
NLAS4684FCT1G
1u VBAT
Camera Sensor
C230 PWDN mode
0.1u
Switch mode
MIC Close to MIC
R214
R215
MICBIAS
1K
2.4K
Close to ABB
C234 C235
47p 4.7u
C236
27p
R216
MICP
C237 0.1u 1K
C238 47p C239
10p C240 10p
R220
MICN
C241 0.1u R223
C243 1K
1K
27p
2
4
3
1
5
CN201
R231
JACK_DETECT
33K R232
22K
Iss. Notice No. Date
5
- 102 -
7 8 9
2V85_CAM
2V85_CAM
R201 R202
DNI
4.7K 4.7K
C201
1000p
U207
5
TC7SH08FS
VCC
4
GND
2
0
J6
L_A(1) LRS
J7
LREN
J8 D7
L_WR LWEN RVDD1
J9 H5
L_MAIN_CS LCS1 RVDD2
H8
L_SUB_CS LCS2
H7
L_D(0) LD0
H6 B2
L_D(1) LD1 MVDD
G8 B7
L_D(2) LD2 SVDD
G7 H1
L_D(3) LD3 LVDD
G5
L_D(4) LD4
F7 U202
L_D(5) LD5
F6 D4
MV3018SOK
L_D(6) LD6 VEO1
F5 E9
L_D(7) LD7 VEO2
E6 G6
L_D(8) LD8 VEO3
E5
L_D(9) LD9
E4
L_D(10) LD10
C264
D6 A2
L_D(11) LD11 DVSS1 1u
D5 C4
L_D(12) LD12 DVSS2
C7 C8
L_D(13) LD13 DVSS3
C6 F8
L_D(14) LD14 DVSS4
C5 H9
L_D(15) LD15 DVSS5
E7 J1
LD16 DVSS6
G4
LD17
C224 22p
C226 22p
2V85_CAM
C263 1000p R235
U208 C263 R234 R235 PwrON
NA 1000p 10K 0 Low 0
R234
LDO 10K NA NA Low
10K
R236
VBAT
10
C259
10u
U208
VDD VOUT
2 3
R237
C_PWON CE GND
1 4
10
MM3242J C261
10u
DNI
MIC201
OSF213-42DC
VBAT
1 U203
MM3242J
2
2 3
VDD VOUT
1 4
BCLKX CE GND
C245
0.1u
C244
C242
0.1u
1u
Section Date Sign & Name
MODEL
060210 G.C. LIM
Designer
J.W.LEE
Checked
DRAWING
AUDIO/MIDI/CAMERA
NAME
Approved H.KANG
DRAWING
Name
LG Electronics Inc.
NO.
10
A
C_SCK
C_SDA
2V85_CAM
C211 C212
0.1u 1u
close to pwr pin
B
C218
0.1u
C
C_PWR_AVDD
C260
0.1u
C_PWR_DVDD
C262
0.1u
D
2V85_CAM
C246
10u
Sheet/
Sheets
CG225
2/5
REV_1.0
LG Electronics Inc.