LG -A258 Service Manual page 125

RF Part
ANT300 ANT301 ANT302
C303 C304
2.7n
DNI
C309 1p
C311
100pF
C319 DNI
C352
100pF
10n
C353
SW300
B to B Interface
ICVE10054E250R201FR
9
LCD_DATA04 INOUT_B1
8
LCD_DATA05 INOUT_B2
7
LCD_DATA06 INOUT_B3
6
LCD_DATA07
INOUT_B4
LCD_DATA00 INOUT_B1
LCD_DATA01 INOUT_B2
LCD_DATA02 INOUT_B3
LCD_DATA03
INOUT_B4
9
SUB_LCD_nCS INOUT_B1
8
LCD_nWR INOUT_B2
7
LCD_nRS
INOUT_B3
6
LCD_nCS INOUT_B4
LGE Internal Use Only
C300
FL300
1 I1 O1-1 9
L300
8
O1-2
DNI
7
O2-1
L302
8.2n
4 I2 6 C307
O2-2
2 3 5 10
C308
L303
6.8n
L304
DNI
C310
C320
C321
33p 39p
RSVD2
14
GND13 TO PART_NO SKY77550 RSVD1
23 13
GND12
24
GND11 BS
L306 25 U301 12
ANT VSW_EN
1.2n 26 11
L308 47p
GND10 Tx_HB_IN
L307 C330 27 10
GND9
L313 47p
DNI 28
100n
PGND Tx_LB_IN
29 9
L310
L315
VBAT
1.5n
DNI
C333 C346
1.2p
DNI
C334 C335 C350 C336
33p 2.2u 3p 10u
MODE RF_VLOGIC RF_TX_EN
Stanby LOW LOW
RX1 HIGH LOW
RX2 HIGH LOW
TX_LB HIGH HIGH
TX_HB HIGH HIGH
FL303
1
INOUT_A1 F_LCD_DATA04
2
RCV_SPK_POUT
INOUT_A2 F_LCD_DATA05
3 RCV_SPK_NOUT
INOUT_A3 F_LCD_DATA06
4 1V8_VDD
F_LCD_DATA07
INOUT_A4
F_LCD_DATA00
C337 C338
F_LCD_DATA01
120p 120p F_LCD_DATA02
R307
F_LCD_DATA03
100K
F_LCD_DATA04
F_LCD_DATA05
IF_MODE
F_LCD_DATA06
FL304
F_LCD_DATA07
1V8_VDD
R308
INOUT_A1 F_LCD_DATA00 NL_SUB_CS
DNI
INOUT_A2 F_LCD_DATA01 NL_WR
INOUT_A3 F_LCD_DATA02 NL_RS
F_LCD_DATA03 NL_MAIN_CS
INOUT_A4 R318
100K LCD_RESET_N
LCD_VSYNC
R317
LCD_RD
DNI
C354
470n
I2C_SDA
FL307 I2C_SCL
CAM_RESET
1
INOUT_A1 NL_SUB_CS
2
INOUT_A2 NL_WR
3
NL_RS
INOUT_A3
4
INOUT_A4 NL_MAIN_CS
BT only
Class 2 or 1.5
3.3n
RX34
L301
DNI
3.3n
RX34X
15n
RX12
L305
DNI
15n
RX12X
ANT303 FL301
C325 0.5p
C327
C326
12n DNI
RF_TX_EN
R303 1K
RF_TX_RAMP
BS2
C322
33p
C323
DNI
RF_VLOGIC
L309 22
DCS_PCS_OUT
L314 1n
GSM_OUT
FM Radio(LNA)
L316
FM_LNA_EN
22n
C347
1u
BS2
R312
24K
LOW
LOW
R314 1n 1
FM_ANT
HIGH
LOW
R316
HIGH
4.7K
CAM_DVDD
VAUX
VBAT 1V8_VDD
CAM_IOVDD CAM_AVDD
CN300
1 54
2 53
F_CAM_VSYNC
3 52
F_CAM_HSYNC
4 51
F_CAM_PCLK
5 50
F_CAM_MCLK
6 49
F_CAM_DATA0
7 48
F_CAM_DATA1
8 47
F_CAM_DATA2
9 46
F_CAM_DATA3
10 45
F_CAM_DATA4
11 44
F_CAM_DATA5
12 43
F_CAM_DATA6
13 42
F_CAM_DATA7
14 41
CAM_STANDBY
R309 100K
15 40
16 39
IF_MODE
17 38
18 37
19 36
F_VIB_P
VA300 20 35
21 34
22 33
23 32
24 31
MLED1
25 30
MLED2
26 29
MLED3
27 28
C341
C339 C340
C342 C343 C344 C345
2.2u
0.1u 0.1u 1u 47n 0.022uF 1u
- 125 -
1V8_VDD
When power class 1.5 is used, R307 is populated and R308 is depopulated.
(Vice versa for power class 2)
FB300 600
R302 DNI
C312 C313 C315
2.2u 10n
10p
C317 C318
C314
10n 10n C316
10p
2.2u
1V8_VDD
R304
15K
must have 1% tolerance
can be removed
D6
RES
C324 10p
C7 C5
IN OUT RFP RST_N
B5
GND1 GND2 REG_EN
E1
SCL
2450MHz
D1 C6
SDA TM2
C1 D4
BT impedance matching point : deleted
SPIM_CLK PCM_IN
E2 E4
SPIM_CS_N PCM_OUT
C4
PCM_CLK
1n U300
C331 B4 A4
LPO_IN PCM_SYNC
BT_CLK32K
C332 F5 C2
1n
BT_26M_CLK XIN UART_TXD
E5 D2
XOUT UART_RXD
F2
UART_RTS_N
C3 E3
BT_WAKEUP GPIO_0 UART_CTS_N
D5
GPIO_6
B3 B2
GPIO_1 HUSB_DN
BT_WAKEUP_HOST
F4 A2
GPIO_5 HUSB_DP
FSYS_EN
R311
5.1ohms
R313
270ohms
C349
3 FM_ANT_LNA
Q301
470n
2
VA305
R315
DNI
C348
470n
FL302
9 1
CAM_VSYNC INOUT_B1 INOUT_A1 F_CAM_VSYNC
8 2
CAM_HSYNC INOUT_B2 INOUT_A2 F_CAM_HSYNC
7 3
CAM_PCLK INOUT_B3 INOUT_A3 F_CAM_PCLK
6 4
CAM_MCLK INOUT_B4 INOUT_A4 F_CAM_MCLK
FL305
9 1
CAM_DATA0 INOUT_B1 INOUT_A1 F_CAM_DATA0
8 2
CAM_DATA1 INOUT_B2 INOUT_A2 F_CAM_DATA1
LCD_ID 7 3
CAM_DATA2 INOUT_B3 INOUT_A3 F_CAM_DATA2
6 4
CAM_DATA3 INOUT_B4 INOUT_A4 F_CAM_DATA3
R310
150K
FL306
9 1
CAM_DATA4 INOUT_B1 INOUT_A1 F_CAM_DATA4
8 2
CAM_DATA5 INOUT_B2 INOUT_A2 F_CAM_DATA5
7 3
CAM_DATA6 INOUT_B3 INOUT_A3 F_CAM_DATA6
6 4
CAM_DATA7 INOUT_B4 INOUT_A4 F_CAM_DATA7
7. CIRCUIT DIAGRAM
VAUX
C351
1u
BT_RESET_N
PCM_TX
PCM_RX
BT_PCM_CLK
BT_PCM_SYNC
BT_UART_RX
BT_UART_TX
BT_UART_CTS
BT_UART_RTS
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes