LG KF390 Service Manual page 5

7. CIRCUIT DIAGRAM
1 2 3
Main-FPCB Connector ( 70 pin, Socket )
A
CN402
G1 G2
1
2
VREG_CAM_CVDD_1.8V
3
I2C_SCL
4
CAM_HSYNC_OUT
5
CAM_DATA(7)
6
CAM_DATA(5)
7
CAM_DATA(3)
8
CAM_DATA(1)
9
10
CAM_PCLK
11
CAM_PWDN_N
12
VA400 13
B +VPWR
14
ICVL0518100Y500FR
+VPWR
15
16
TOUCH_CLK
17
VBACK_UP
ICVE10184E150R500FR 18
LCD_ADS
FL401 19
LCD_IF_MODE_0
1 9 20
EBI2_DATA(3) INOUT_A1 INOUT_B1
2 8 21
EBI2_DATA(7) INOUT_A2 INOUT_B2
22
3 7
EBI2_DATA(11) INOUT_A3 INOUT_B3
4 6 23
EBI2_DATA(15) INOUT_A4 INOUT_B4
24
VREG_MSMP_2.7V
25
26
KEY_ROW(0)
27
KEY_COL(4)
28
TOUCH_ACK
29
C LCD_BL_CTRL
FB407 30
ICVE10184E150R500FR
LCD_IF_MODE_1
FL404 FB402 31
EBI2_WE_N
1 9 32
EBI2_DATA(2)
INOUT_A1 INOUT_B1
2 8 33
EBI2_DATA(6)
INOUT_A2 INOUT_B2
3 7 34
EBI2_DATA(10) INOUT_A3 INOUT_B3
4 6 35
EBI2_DATA(14) INOUT_A4 INOUT_B4
G3 G4
C441 C416
33p 33p
D
CAMERA
E
2M CAMERA CONNECTOR
F
VREG_DVDD_2.8V share VGA CAM
CN406
G1 G2
1 24
2 23
CAM_DATA_OUT(7)
3 22
CAM_DATA_OUT(6)
4 21
CAM_DATA_OUT(5)
5 20
CAM_DATA_OUT(4)
6 19
CAM_DATA_OUT(3)
7 18
CAM_DATA_OUT(2)
8 17
D CAM_DATA_OUT(1) FB403
9 16
CAM_DATA_OUT(0)
10 15
CAM_PCLK_F
11 14
MEGA_CAM_RESET_N
12 13
MEGA_CAM_PWR_DOWN
G3 G4
C432
1u C431 C433
10u
0.1u
E
ICVE10184E150R500FR ICVE10184E150R500FR
1 9 1
CAM_DATA(3) INOUT_A1 INOUT_B1 CAM_DATA_OUT(3) CAM_DATA(7) INOUT_A1 INOUT_B1
2 8 2
CAM_DATA(2) INOUT_A2 INOUT_B2 CAM_DATA_OUT(2) CAM_DATA(6) INOUT_A2 INOUT_B2
3 7 3
CAM_DATA(1) INOUT_A3 INOUT_B3 CAM_DATA_OUT(1) CAM_DATA(5) INOUT_A3 INOUT_B3
4 6 4
CAM_DATA(0) INOUT_A4 INOUT_B4 CAM_DATA_OUT(0) CAM_DATA(4) INOUT_A4 INOUT_B4
FL405 ICVE10184E150R500FR FL406
1 9
CAM_PCLK INOUT_A1 INOUT_B1 CAM_PCLK_F
2 8
CAM_MCLK INOUT_A2 INOUT_B2 CAM_MCLK_F
3 7
F CAM_HSYNC INOUT_A3 INOUT_B3 CAM_HSYNC_OUT
4 6
CAM_VSYNC INOUT_A4 INOUT_B4 CAM_VSYNC_OUT
FL407
1 2 3
LG(42)-A-5505-10:01
LGE Internal Use Only
4 5 6 7
70
RCV+ VREG_MSMP_2.7V
69
RCV-
68
67
VREG_CAM_AVDD_2.8V SLIDE_DETECT
66
VGA_CAM_RESET_N
65
I2C_SDA C402
64
CAM_VSYNC_OUT 0.1u
63
CAM_DATA(6)
62
CAM_DATA(4)
61
CAM_DATA(2)
60
CAM_DATA(0)
59
58
CAM_MCLK
57
56 VA401
MOTOR_PWR-
55 ICVL0518100Y500FR
TOUCH_DAT
54 FB406
TOUCH_LDO_EN
53
EBI2_OE_N
52 FL402 ICVE10184E150R500FR
LCD_VSYNC
51 1 9
INOUT_A1 INOUT_B1 EBI2_DATA(1)
50 2 8
INOUT_A2 INOUT_B2 EBI2_DATA(5)
49
3 7
INOUT_A3 INOUT_B3 EBI2_DATA(9)
48 4 6
INOUT_A4 INOUT_B4 EBI2_DATA(13)
47
46
KEY_ROW(1)
45
KEY_ROW(2)
44
KEY_COL(3)
43 FL408 ICVE10184E150R500FR
SUB_BACKLIGHT
42
1 9
INOUT_A1 INOUT_B1 LCD_RESET_N
41
2 8
INOUT_A2 INOUT_B2 LCD_CS_N
40 3 7
INOUT_A3 INOUT_B3 EBI2_DATA(0)
39 4 6
INOUT_A4 INOUT_B4
38
37
36
FL403 ICVE10184E150R500FR
C418
C440 C417
1 9
33p 33p 100p INOUT_A1 INOUT_B1 EBI2_DATA(4)
2 8
EBI2_DATA(8)
INOUT_A2 INOUT_B2
3 7
EBI2_DATA(12)
INOUT_A3 INOUT_B3
4 6
INOUT_A4 INOUT_B4 LCD_MAKER_ID
AUDIO
AUDIO CONNECTOR
SPK+
SPK-
C419 C420
22p 22p VA415 VA416
MIC
MI400 C425
1 0.1u
OUT
2
G1
3 C426
G2
4 0.1u
G3
5
PWR
6
G4
I2C_SCL
SPM0204LE5-QB
I2C_SDA C427 C428
39p 39p
CAM_VSYNC_OUT
CAM_HSYNC_OUT
CAM_MCLK_F
Audio AMP
R420
47K
U401 TPA6205A1ZQVR
C435 47n R422 10K
C3
LINE_N IN-
9 C2
CAM_DATA_OUT(7) LINE_P IN+
8
C436 47n R424 10K
CAM_DATA_OUT(6)
B1
7
CAM_DATA_OUT(5) SPK_AMP_EN _SHUTDOWN
6
CAM_DATA_OUT(4)
C1
BYPASS
R426
47K
4 5 6 7
8 9 10 11
HALL IC
U400 EM-1681-FT
VREG_MSMP_2.7V
1 4
VDD VSS
2 3
OUT NC HSET_BIAS
C403
10p
EAR_SENSE_N
R405
VBAT_SENSE
470K REMOTE_PWR_ON
+5V_PWR
USB_VBUS
UART_TXD
UART_RXD
R407
3
VBAT_TEMP
2 4
51
1
CN401
C407
R409
VREG_MSMP_2.7V 33u
80.6K
VBAT_GND
PM_ON_SW_N
CN403
1
2
CN404
1 R413 100ohm
2 R414 100ohm
3 R415 100ohm
4
MICBIAS
C424
47p
MIC1P
CN405
1 R416 100ohm
MIC1N
2 R417 100ohm
3
+VPWR
C434
1u
A3
VDD
FB404
B3
VO+ SPK-
A1
FB405
VO-
SPK+
B2
GND
8 9
- 134 -
12 13 14 15
I/O CONNECTOR
R400
51K
2.2K
R401
C400
MIC2N
0.1u C401
MIC2P
0.1u
FB400
R403
C404
HPH_L
33u R404
C405 100ohm
HPH_R
33u 100ohm
USB_D+
USB_D-
VBATT
NFM21PC105B1A3 FL400
2 1
OUT IN
4 3
G2 G1
VBAT
ZD400
C409
100p
PSD05-LF
INSTPAR
KEY_BACK_LIGHT LED(2 EA)
KB400 END_Power
LD400
VA413 R410
1 2
+VPWR
A C
100ohm
ICVS0514X350FR SSC-SWTS907
LD401
R411
1 2
A C
KEY ON 100ohm
SSC-SWTS907
KYBD_BACKLIGHT
VREG_MSMP_2.7V
KEY MAP
KB401 SEND KB402 C
KEY_ROW(0)
KEY_ROW(1)
KEY_COL(5)
KEY_ROW(0)
KB403 KB404 KB405
1 2 3
KEY_ROW(1)
KB406 KB407 KB408
4 5 6
KEY_ROW(2)
KB409 KB410 KB411
7 8 9
KEY_ROW(2) KEY_ROW(3)
KEY_COL(5)
KB412 KB413 KB414
HOT4 0 HOT3
KEY_ROW(4)
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
LGMC
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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CN400
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B
9
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C
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C
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LG Electronics Inc.