Table of Contents
Advertisement
7. CIRCUIT DIAGRAM
1
2
AUDIO AMP was eliminated JAN. 12, 2009
A
3
B
MIC_P
MIC_N
C
D
KP_IN0
E
KP_IN1
KP_IN2
F
KP_IN3
KP_IN4
KP_OUT0
C
KP_OUT1
KP_OUT2
KP_OUT3
KP_OUT5
D
SIM
2V85_VSIM
2V85_VSIM
E
R219
J200
4.7K
4
1
C5
C1
5
2
R220
C6
C2
6
3
SIM_DATA
C7
C3
10
7
0
GND4
GND1
9
8
GND3
GND2
C220
C219
DNI
220n
F
1
2
LGE Internal Use Only
3
4
5
6
7
Speaker Receiver select switch was eliminated JAN. 12, 2009
MIC
VMIC
C207
C205
10u
47p
ECTH0005601
R202
MIC200
0.1u
C210
1
47p
2
R203
OB4-15L42-C33L
0.1u
VA200
VA201
RCLAMP0521P_TCT
EDTY0009601
CN200
1
R206
150
2
R207
150
3
VOL_UP
R208
150
4
VOL_DOWN
Key
ICVS0505500FR
SEVY0005402
Clear
SW200
SW201
SW202
SW203
SW204
UP
MENU
SW205
SW206
SW207
DOWN
OK
SW208
SW209
SW210
LEFT
SEARCH
STAR
SW211
SHARP
RIGHT
SEND
END
END_KEY
Change the connection from pull-down to pull-up
(080702)
Delete 10Kohm
(080715)
VMMC
1V81_VDD
VMMC
VMMC
uSD
R213
R215
R217
R214
R216
470K
10K
10K
10K
10K
uSD_D1
SIM_RST
uSD_D0
SIM_CLK
uSD_CLK
C221
C222
uSD_CMD
DNI
1000p
uSD_D3
uSD_D2
uSD_DET
C224
C225
C226
DNI
DNI
18p
3
4
5
6
7
8
9
10
11
Audio Sub System
C202
0.1u
RCV_P
C203
DNI
C204
0.1u
RCV_N
C206
220n
HP_ROUT
C208
220n
HP_LOUT
1V81_VDD
C209 2.2u
I2C_SDA
C211
I2C_SCL
0.1u
Key Backlight LED
VBAT
EDLH0013403
LEWWS47PAZ
LD200
LD201
D200
D201
R209
R210
DNI_VARISTER_1005
DNI_VARISTER_1005
20
20
3
R211
Q200
2
KEY_BL_EN
KTC4075E
1.2K
1
EQBN0007601
R212
100K
VRTC_2V0
J201
AXA463062C02
DAT1_2
DUMMY1
DAT0
VSS
CLK
VDD
CMD
CD_DAT3
DUMMY2
DAT2
DETECT_A
DETECT_B
DUMMY3
C223
GND
0.1u
8
9
- 116 -
12
13
14
15
16
VBAT
C200
C201
47p
2.2u
E1
A4
MONO_IN+
MONO+
LSP
D1
A3
MONO_IN-
MONO-
LSN
C2
E2
RIN
ROUT
HP_A_ROUT
U200
C1
LIN
LM49150TLX
C3
BYPASS
E3
LOUT
HP_A_LOUT
A1
I2CVDD
B2
SDA
B3
D2
SCL
VO_LDO
C212
2.2u
C213
C214
2.2u
2.2u
FLIP SWITCH
1V81_VDD
U201
EM-0781-T5
FLIP
C217
C215
C216
C218
1u
27p
1u
27p
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
A
B
C
D
E
F
C
D
E
Advertisement
Table of Contents
