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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
VA305
C350
3p
C325 0.5p
10n
C353
470n
C354
DNI
R317
1V8_VDD
FL302
01 5
6
4
7
3
8
2
9
1
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
ICVE10054E250R201FR
FL303
01 5
6
4
7
3
8
2
9
1
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
FL304
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
C352
100pF
R318
100K
C308
15n
DNI
L300
R314
1n
10n
C318
1V8_VDD
2.2u
C312
10n
C313
10p
C314
VAUX
600
FB300
2.2u
C316
10p
C315
C351
1u
1V8_VDD
5.1ohms
R311
L302
8.2n
FL307
01 5
6
4
7
3
8
2
9
1
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
FL305
01 5
6
4
7
3
8
2
9
1
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
2.2u
C341
FL306
01 5
6
4
7
3
8
2
9
1
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
10n
C317
DNI
L315
2.7n
C303
1n
C331
DNI
C304
ANT302
DNI
C327
C344
0.022uF
1n
L314
2450MHz
FL301
IN
OUT
GND1 GND2
10p
C324
15K
R304
ANT301
DNI
R302
0
10
3
R
VA300
1n
C332
DNI
L301
C323
DNI
DNI
L304
R315
DNI
C326
12n
U300
F4
D5
1
A
6
B
7
D
6
E
3F
6F
A2
3
A
B3
E3
C3
F2
D2
E5
C2
F5
A4
B4
C4
E4
E2
D4
C1
C6
D1
B2
E1
B5
C5
C7
D6
6
A
7
B
1
B
7
E
7F
7
A
1F
3
D
5
A
T
A
B
V
O
D
D
V
2
C
D
D
V
G
E
R
V
X
P
D
D
V
F
R
D
D
V
B
S
U_
D
D
V
FT
D
D
V
V
H
G
E
R
V
RES
RFP
RST_N
REG_EN
SCL
HUSB_DN
SDA
TM2
SPIM_CLK
PCM_IN
SPIM_CS_N
PCM_OUT
PCM_CLK
LPO_IN
PCM_SYNC
XIN
UART_TXD
XOUT
UART_RXD
UART_RTS_N
GPIO_0
UART_CTS_N
GPIO_1
1
C
D
D
V
HUSB_DP
6
S
S
V
5
S
S
V
4
S
S
V
3
S
S
V
2
S
S
V
1
S
S
V
GPIO_6
GPIO_5
DNI
C346
120p
C337
C321
33p
6.8n
L303
ANT303
Q301
2
1
3
470n
C349
U301
29
23
24
25
26
27
28
5
1
6
1
7
1
8
1
9
1
0
2
1
2
2
2
8
7
6
5
4
3
2
1
14
13
12
11
10
9
Tx_LB_IN
Tx_HB_IN
VSW_EN
BS
RSVD1
RSVD2
1
D
N
G
2
D
N
G
1
T
T
A
B
V
2
T
T
A
B
V
3
D
N
G
4
D
N
G
5
D
N
G
6
D
N
G
7
D
N
G
2
x
R
3
D
V
S
R
1
x
R
D
V
S
R
N
E
x
T
P
M
A
R
V
8
D
N
G
GND9
GND10
ANT
GND11
GND12
GND13
PGND
SW300
2
G
T
N
A
F
R
1
G
33p
C322
FL300
10
5
3
2
6
4
7
8
9
1 I1
O1-1
O1-2
O2-1
I2
O2-2
1
G
2
G
3
G
4
G
VBAT
L309 22
L308
47p
1.5n
L310
1.2p
C333
DNI
L305
1K
R303
1.2n
L306
39p
C320
C310
15n
DNI
C330
C348
470n
4.7K
R316
270ohms
R313
22n
L316
2.2u
C335
100n
L307
33p
C334
24K
R312
1u
C347
0.1u
C340
L313
47p
1p
C309
10u
C336
C311
100pF
C319
DNI
C307
3.3n
120p
C338
CAM_DVDD
ANT300
CN300
28
27
29
26
30
25
31
24
32
23
33
22
34
21
35
20
36
19
37
18
38
17
39
16
40
15
41
14
42
13
43
12
44
11
45
10
46
9
47
8
48
7
49
6
50
5
51
4
52
3
53
2
54
1
1u
C342
1V8_VDD
100K
R307
DNI
R308
C343
47n
1u
C345
1V8_VDD
150K
R310
VAUX
VBAT
100K
R309
CAM_AVDD
0.1u
C339
CAM_IOVDD
C300
3.3n
SUB_LCD_nCS
BT_RESET_N
LCD_RESET_N
DCS_PCS_OUT
GSM_OUT
LCD_ID
PCM_TX
PCM_RX
I2C_SDA
I2C_SCL
FSYS_EN
FM_ANT
LCD_nWR
LCD_VSYNC
BT_WAKEUP
CAM_STANDBY
LCD_DATA07
LCD_DATA06
LCD_DATA05
LCD_DATA04
LCD_DATA03
LCD_DATA02
LCD_DATA01
LCD_DATA00
LCD_nCS
LCD_nRS
CAM_RESET
F_VIB_P
NL_RS
NL_RS
F_CAM_DATA1
F_CAM_DATA1
F_CAM_DATA0
F_CAM_DATA0
NL_WR
NL_WR
F_CAM_DATA7
F_CAM_DATA7
F_CAM_DATA6
F_CAM_DATA6
F_CAM_DATA3
F_CAM_DATA3
F_CAM_DATA5
F_CAM_DATA5
F_CAM_DATA2
F_CAM_DATA2
F_CAM_DATA4
F_CAM_DATA4
F_CAM_MCLK
F_CAM_MCLK
F_CAM_PCLK
F_CAM_PCLK
F_LCD_DATA03
F_LCD_DATA03
F_LCD_DATA01
F_LCD_DATA01
F_LCD_DATA00
F_LCD_DATA00
F_LCD_DATA02
F_LCD_DATA02
F_LCD_DATA04
F_LCD_DATA04
F_LCD_DATA05
F_LCD_DATA05
F_LCD_DATA06
F_LCD_DATA06
F_LCD_DATA07
F_LCD_DATA07
IF_MODE
IF_MODE
NL_MAIN_CS
NL_MAIN_CS
NL_SUB_CS
NL_SUB_CS
F_CAM_HSYNC
F_CAM_HSYNC
F_CAM_VSYNC
F_CAM_VSYNC
MLED2
MLED3
MLED1
BT_UART_RX
BT_UART_TX
BT_UART_RTS
BT_UART_CTS
BT_PCM_SYNC
BT_PCM_CLK
RF_TX_RAMP
CAM_MCLK
CAM_PCLK
CAM_HSYNC
CAM_DATA7
CAM_DATA6
CAM_DATA5
CAM_DATA4
CAM_DATA3
CAM_DATA2
CAM_DATA1
CAM_DATA0
RF_TX_EN
BT_CLK32K
BT_26M_CLK
BT_WAKEUP_HOST
0
0
8
1
G
_
0
5
8
G
RF_VLOGIC
BS2
RX12
RX34X
0
0
9
1
G
_
0
0
9
G
RX34
RX12X
RCV_SPK_POUT
RCV_SPK_NOUT
CAM_VSYNC
FM_LNA_EN
FM_ANT_LNA
LCD_RD
LOW
RF_VLOGIC
(Vice versa for power class 2)
When power class 1.5 is used, R307 is populated and R308 is depopulated.
can be removed
Class 2 or 1.5
FM Radio(LNA)
must have 1% tolerance
BT only
BT impedance matching point : deleted
LOW
HIGH
HIGH
LOW
MODE
Stanby
RX2
RX1
TX_LB
TX_HB
B to B Interface
RF_TX_EN
LOW
HIGH
LOW
HIGH
TO PART_NO SKY77550
HIGH
BS2
LOW
LOW
HIGH
HIGH
HIGH
RF Part