LG GS290 Service Manual page 58

7. CIRCUIT DIAGRAM
12 11
L
2M FF CAM Connector
K
22 20
CIF_D0 D0 PCLK
23 19
CIF_D1 D1 VSYNC
24 18
CIF_D2 D2 HSYNC
1 S400 12
CIF_D3 D3 STANDBY
2 11
CIF_D4 D4 SCK
3 CAM-H88 10
CIF_D5 D5 SDA
J 4 9 TP415
CIF_D6 D6 RESETB
5 7
CIF_D7 D7 MCLK
I
H
Touch Connector
G
CN400
ENZY0020701
X+ 1
2 Y+
X- 3
4 Y-
KQ13L-4R
F
E
D
TP413
DIF_D0 INOUT_B4 INOUT_A4
6 4
DIF_D1 INOUT_B3 INOUT_A3
7 3
DIF_D2 INOUT_B2 INOUT_A2
8 2
DIF_D3 INOUT_B1 INOUT_A1
9 1
ICVE10184E150R101FR FL401
C
DIF_D4 INOUT_B4 INOUT_A4
6 4
DIF_D5 INOUT_B3 INOUT_A3
7 3
DIF_D6 INOUT_B2 INOUT_A2
8 2
DIF_D7 INOUT_B1 INOUT_A1
9 1
ICVE10184E150R101FR FL402
Pin2 : LCD_VSYNC_I
Pin3 : MAKER_ID
Pin11 : IF_MODE(IF1)
B
Pin18 : OPEN(OTP)
Pin19 : IF_MODE(IF0)
A
12 11
LGE Internal Use Only
7. CIRCUIT DIAGRAM
12
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Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
10 9 8 7
CAMERA PART POWER
VBAT CAM_1V5
R401 0
CIF_PCLK
BU15TD2WNVX U402
CIF_VSYNC
CIF_HSYNC
4 1
CIF_PD VIN VOUT
3 2
I2C2_SCL CAM_LDO_EN STBY GND
I2C2_SDA
CIF_RESET C407 C412
CIF_MCLK 1u 1u
R403 0
CAM_A_2V8 CAM_2V85 CAM_1V5
C418 C413 C419 C414 C415 C402 C416 C404
DNI DNI
56p 0.1u 56p 0.1u 56p 0.1u
Touch IC
VBT_2V65
C426 C425
1u 0.1u
U400 TSC2007IYZGR
A1 C1
AUX SDA I2C_SDA
A2 C2
VDD_REF A1
A3 C3
X+ X-
TOUCH_INT TP419 B1 D1 I2C_SCL
PENIRQ- SCL
B2 D2
A0 GND
B3 D3
Y+ Y-
X+
Y+
X-
Y-
VA410 VA409 VA401 VA408
EVLC14S02050
EVLC14S02050 EVLC14S02050
EVLC14S02050
LCD Connector
VFM_2V9 VFM_2V9
CN402
40 1
R400 DNI
39 2
38 3
LCD_ID
TP400
37 4
MLED
36 5
MLED1
35 6
MLED2
34 7
MLED3
33 8
MLED4
32 9
MLED5
31 10
30 11
IF_MODE
TP412
29 12
INOUT_A4 INOUT_B4 DIF_CD
28 13 4 6 TP410
INOUT_A3 INOUT_B3 DIF_CS
27 14 3 7 TP409
DIF_RESET INOUT_A2 INOUT_B2 DIF_RD
26 15 2 8 TP408
INOUT_A1 INOUT_B1 DIF_WR
25 16 1 9
TP414
24 17 ICVE10184E150R101FR FL400
DIF_VSYNC
23 18
22 19 TP411
21 20
LCD Interface Mode
C420
VA402
1u Maker IF Maker ID
EVLC14S02050
SHARP H L
GB042-40S-H10-E3000
LGIT L H
10 9 8 7
10 9 8
RF
CI:$0.05(CMOS->PIN)
ANT502 ANT501
ANT_STUB
ANT500
TP501
C540 C538
DNI SW500
DNI
KMS-518_P
G1
R510
R501 A C524 FL500
C ANT LMSP43NA-782
17
22p 0 22p
G2
L501
C519 C510 C539
100n DNI
DNI 0.5p
R509
RF_TEMP
22K
PT500
VRF_1V5 VRF_2V85 VRF_2V85 C515 C514 C527 C526 C525 C534 C513
NCP15XH103J03RC
2.2p 2.7p
10K 4.7p 4.7p 4.7p 4.7p 2.2p
L505 L502 L503 L506
C520 C521
0.1u 4.7n 15n 18n
5.1n 4.7n
GSM850 GSM900 DCS1800 PCS1900
C506
VC1
0.1u
VC2 FE2
33
VBIAS
34
VDDTX1V5 VDDRX2V8
35 20
LBAND_PAM_IN TX1 VDDRX1V5
36 19
HBAND_PAM_IN TX2 U500 VCO_RC
37 18
R507 VDDTX2V8 VDDVCO2V8
38 PMB6272 17
VDDMIX2V8 EN
10 39 16
C522 GND3 VDDXO2V8
40 15
220n
FSYS1
14
GND4 GND1
41 13
VRF_1V5
VRF_2V85
X500 TSX-3225
4 3
GND2 HOT2
1 2
HOT1 GND1
26MHz
C511 C518
220n 0.1u
CLK26M
RF_CLK
RF_DA
QX
Q
IX
I
10 9 8
6 5 4
SIM CONNECTOR
VSIM_2V9 VSIM_2V9 VSIM_2V9
J400
R407
4 1
10K C5 C1
5 2
C6 C2 SIM_RST
6 3
SIM_IO C7 C3 SIM_CLK
10 7
GND4 GND1
9 8
C405 GND3 GND2
22p C401 C410 C409
GCA26D-6S-H18-E1500
0.1u 22p DNI
MMC_DATA[1]
MMC_DATA[0]
MMC_CLK
MMC_CMD
MMC_DATA[3]
MMC_DATA[2]
MMC_DET
KEY LED
VBAT
LD405 LD404 LD403 LD402 LD401 LD400
KEY_BL
VA405
EVL5M02200
KP_OUT[2]
KP_OUT[3]
KP_IN[3]
LCD Backlight
U401
VBAT
AAT3169IFO-T1
C406 4 7 C403
C1+ C2+
1u 1u
5 8
C1- C2-
6
OUTCP MLED
9
IN
11
D1 MLED1
12
D2 MLED2
3 13
LCD_BACKLIGHT_EN EN_SET D3 MLED3
14
D4 MLED4
10 1
GND D5 MLED5
15 2
PGND D6
C408
C417
1u
1u
CN401
1
2
3
6 5 4
- 116 -
7 6 5 4
VC1 (FE1) VC2 (FE2)
GSM850 / 900_TX H L
GSM 1800 / 1900_ TX L H
(FROM DBB)
(FROM DBB) GSM850 / 900_RX L L
R502 100
VC1 (FROM Transceiver)
R504 100
VC2 (FROM Transceiver)
GSM 1800 / 1900_ RX L L
C503 C508
47p 47p
SKY77344
VBAT
C501
GND6 GND5
11 10
100p GND7 GND4
12 9
GSM_OUT GND3
C523 13 8
C504 GND8 GND2
14 7
DNI DCS_PCS_OUT GND1
DNI 15 6
GND9 GSM_IN LBAND_PAM_IN
16 5
VBATT1 U501 DCS_PCS_IN R505 1K HBAND_PAM_IN
17 4
VBATT2 VRAMP PA_LEVEL
C512 18 3
L504 VDET SKY77344 ENABLE TXON_PA
19 2
MODE BS PA_BAND
2.7p 20 1
2.2p
C505 C507
1.8n 1.8n
PA_MODE
C530 C500 C531 C509
1u 22u 27p
47p
VRF_1V5 VRF_2V85 VRF_2V85
C537 C536 C535
0.1u 0.1u 0.1u
RF_EN
C516 1n
26MHZ_MCLK
R508 C517
47n
820
7 6 5 4
- 117 -
3 2 1
L
K
T-FLASH
VMME_2V9
J
S401
COM G2 G4 G6
8
C8
C7 7
C6 6
5
C5
4
C4
I
C3 3
C2 2
1
C1
SW G1 G3 G5
VIO_2V62
C411
SCHA5B0201
1u
H
KEY PAD
G
VOL UP & DOWN
CN407
1
2
3
4
F
CLR
KB402
R426
R412
680
KP_OUT[2]
VA416 680
SEND
EVLC5S0250
VA404 E
DNI KB400
R427
R420
680 KP_OUT[3]
680
VA415
VA400
EVLC5S0250
DNI
R414
KP_IN[5]
680
VA403
R415
DNI
680
D
VA406
EVLC5S0250
END
VBAT
KB401
END C
CAM HOLD
CN403
R425 680
1
R424 680 KP_IN[5]
KP_IN[3] 2
KP_OUT[0]
KP_OUT[0] 3 R423 680
R419 680
VA413 VA411
VA407
VA412 EVLC5S0250
EVLC5S0250 B
A
3 2 1
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3 2 1
3 2 1
LGE Internal Use Only
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