LG GD310 Service Manual page 118

8. CIRCUIT DIAGRAM
12 11
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RPWRON_EN
ECZH0003503
(25V,K,X5R, 1608)
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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
10 9 8
Single Charging IC for uUSB
C300
27P
2V62_VIO VBAT 2V62_VIO 2V62_VIO
VBUS_USB
C302
HS_MIC_N
R310 R317 R314 C327
100K DNI 100K 39P
U300
11
PGND
1 10 C303
IN BAT HS_MIC_P
2 9
ISET _PG _PPR
3 8
VSS1 CHG _EOC
4 7 C304
LDO VSS2 27P
5 6
IFULL EN_SET _CHG_EN
BQ25040
C325
C323 C308 R319 1U
R318
1U 1U 1.2k 2K ECZH0001215
(10V,K,X5R, 1005)
MAIN TO KEY CONNECTOR
C312 100n
MAIN_MIC_P
C319 100n
MAIN_MIC_N
L300
VMIC_P
100NH
C318 C317
2.2U 27P
2V62_VIO VBAT
VMIC_N
CN302
1 30
2 29
RPWRON
R305 47 3 28
UART_TX
R311 47
4 27
UART_RX
5 26
FLIP
6 25
KEY_BACKLIGHT
7 24
END_KEY
8 23 R301 680
KEY_ROW0
R309 680
9 22
KEY_ROW1
R306 680 10 21 R304 680
KEY_COL0 KEY_ROW2
R308 680 11 20 R303 680
KEY_COL1 KEY_ROW3
R313 680 12 19 R302 680
KEY_COL2 KEY_ROW4
R312 680 13 18 R300 680
KEY_COL3 KEY_ROW5
R307 680
14 17
KEY_COL4
15 16
GB042-30P-H10-E3000
C309 C311
1u 39P
10 9 8
7 6 5
MUIC
2V62_VIO VUSB
2V5_VAUDB
VBUS_USB
VBAT
R325 R324
R322
DNI 10K DNI
D2 D5
BAT VB
22N
R327 0 A4 C5
USB_DM DN1 COM1 MUIC_DM
R326 0 A5 B5
C328 USB_DP DP2 COM2 MUIC_DP
FB300
10U R321
2.2K B3 U301 B4 RPWRON_EN VBAT
UART_RX U1 UID MUIC_ID
A3
UART_TX U2 MAX14526EEWP+TCC6 R320
B1
RES
22N A1 2.2K
MIC
FB301 D4 D1
HSO_L AUD1 CAP R329 R328
FB302
D3 300K DNI
HSO_R AUD2
C4
GND
A2 C3
C301 C326 C306 ISET IC
120P 2V62_VIO 27P 27P
C305
2.2uF
R323
2.2K
SCL
SDA
MUIC_INT
MAIN TO FOLDER FPCB CONNECTOR
VBAT
VBAT
2V8_CAM_A
2V9_VFM
2V11_RTC
CN301
1 60
FL302 2 59
1 9 3 58
DIF_D0 INOUT_A1 INOUT_B1
2 8 4 57
DIF_D1 INOUT_A2 INOUT_B2
3 7 5 56
DIF_D2
INOUT_A3 INOUT_B3
4 6 6 55
DIF_D3 INOUT_A4 INOUT_B4 LED_CNT
7 54
_LED_RESET
8 53
VIB_EN
ICVE10184E150R101FR 9 52
10 51
LED_INT
11 50
LCD_IF1
12 49
LCD_IF2
13 48
14 47
15 46
FL300
16 45
1 9 17 44
DIF_D4 INOUT_A1 INOUT_B1
2 8 18 43
DIF_D5 INOUT_A2 INOUT_B2
3 7 19 42
DIF_D6 INOUT_A3 INOUT_B3
4 6 20 41
DIF_D7
INOUT_A4 INOUT_B4
21 40
22 39
LCD_BACKLIGHT_EN
ICVE10184E150R101FR 23 38
24 37
25 36
26 35
27 34
DIF_VSYNC
28 33
LCD_ID
29 32
_DIF_RESET
FL306 30 31
_DIF_WR INOUT_B4 INOUT_A4 GB042-60S-H10-E3000 C313 C314
6 4 2.2U 1U
DIF_RD INOUT_B3 INOUT_A3
7 3
DIF_MAIN_CS INOUT_B2 INOUT_A2
8 2
DIF_CD
INOUT_B1 INOUT_A1
9 1
ICVE10184E150R101FR
7 6 5
- 119 -
4 3 2 1
5PIN CONNECTOR
( USB & EAR MIC & TA &UART )
VBUS_USB
4 2
FL307
NFM21PC105B1A3
CN300
6
3 1 FM_ANT
7
8
1 L301 C322
R315 0 2 47n 15p
MUIC_DM
R316 0 3
MUIC_DP
4
MUIC_ID
5
9
10
11 L303 C324
100n 27p
ENRY0007801
HSMU-5SB-24DPC
2V85_CAM
SDA
SCL
CAM_LDO_EN
CIF_PD
CIF_RESET
FL303
CIF_SCL
CIF_SDA
INOUT_B4 INOUT_A4 CIF_PCLK
6 4
INOUT_B3 INOUT_A3 CIF_MCLK
7 3
CIF_HSYNC
INOUT_B2 INOUT_A2
8 2
INOUT_B1 INOUT_A1 CIF_VSYNC
9 1
ICVE10184E070R101FR
FL305
1 9
CIF_D0
INOUT_A1 INOUT_B1
2 8
INOUT_A2 INOUT_B2 CIF_D1
3 7
INOUT_A3 INOUT_B3 CIF_D2
4 6
INOUT_A4 INOUT_B4 CIF_D3
ICVE10184E070R101FR
FL304
C320 INOUT_B4 INOUT_A4 CIF_D4
1U 6 4
INOUT_B3 INOUT_A3 CIF_D5
7 3
INOUT_B2 INOUT_A2 CIF_D6
8 2
CIF_D7
INOUT_B1 INOUT_A1
9 1
ICVE10184E070R101FR
SPK_RCV_P
C307
27P
SPK_RCV_N
C316 C321
47P 47P
4 3 2 1
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LGE Internal Use Only