LG -A290 Service Manual page 122

BATTERY CONNECTOR
VIO VBAT
R300
240K
R320
BAT_TEMP
1K
VA317
C318
C302
C303 C320
1u C304
39p
100u 1u
39p
DNI
EMD2,5.1V,150mW,R/TP
VIBRATOR
VIB_3V3
R312 0
C306 C307
VA300
33p 1u
DNI
KEYPAD INTERFACE
R301
KEY_ROW0
680
VA301
NUM 1 NUM 2
KB302
R302
KEY_ROW2
680
VA302
NUM 4
KB308
R303
KEY_ROW3
680
VA304
NUM 7
KB313
R316
KEY_ROW4
680
VA305
STAR
KB317
R304
KEY_ROW1
680
VA306
VA307
LGE Internal Use Only
KEY BACKLIGHT
VBAT
D2
3
C301
2
1u
1
ZD300
D1
C321
5.6n CN300
LD300
19-217_BHC-ZM1N2QY_3T
EDLH0015101
BLUE LED
KEYPAD_LED
C319
1u
VB300
1
2
SW1 SW2
KB300 KB301
NUM 3 UP DOWN
KB303 KB304 KB305 KB306
NUM 5 NUM 6 LEFT
RIGHT END_KEY
VA303
KB309 KB310 KB311 KB312
NUM 8 NUM 9 OK
KB314 KB315
KB316
NUM 0 SHARP SEND
KB318 KB319 KB320
KEY_ROW4
VA308
VA309 VA310
VA311
KEY_COL4
C300
1u
LD301 LD302 LD303 LD304 LD305 LCD_WR
LCD_RS
LCD_CS
LCD_DATA07
LCD_DATA05
LCD_DATA03
LCD_DATA01
LCD_DATA06
LCD_DATA04
LCD_DATA02
LCD_DATA00
TORCH
TORCH_3V3
C310
1u
LD306
EMI FILTER
CAM_DATA00
INOUT_B4
6
CAM_DATA01
INOUT_B3
7
END
CAM_DATA02 INOUT_B2
8
CAM_DATA03
INOUT_B1
9
KB307
CAM_DATA04 INOUT_B4
6
CAM_DATA05
INOUT_B3
7
CAM_DATA06
INOUT_B2
8
CAM_DATA07 INOUT_B1
9
R314
CAM_MCLK
10
C311
DNI
VA314
SW300 1
3
4
5
R315
HOT_KEY CAM_PCLK
6
10
7
2
C313
7.5p
VA315
- 122 -
LCD INTERFACE CONNECTOR
VIO
R308
R307
DNI 100K
35
LCD_LED_CA1
LCD_LED_CA2 34
FL300
LCD_LED_CA3 33
1 9
INOUT_A1 INOUT_B1 32
2 8
INOUT_A2 INOUT_B2
31
3 7
INOUT_A3 INOUT_B3
30
4 6
INOUT_A4 INOUT_B4 29
LCD_VSYNC 28
LCD_RD 27
26
7.5pF
25
24
23
22
FL301 21
20
1 9
INOUT_A1 INOUT_B1
2 8 19
INOUT_A2 INOUT_B2
3 7 18
INOUT_A3 INOUT_B3
17
4 6
INOUT_A4 INOUT_B4
16
15
14
7.5pF 13
12
11
FL302
10
1 9
9
INOUT_A1 INOUT_B1
2 8 8
INOUT_A2 INOUT_B2
3 7 7
INOUT_A3 INOUT_B3
4 6
6
INOUT_A4 INOUT_B4
R311
5
LCD_ID
100K
4
3
7.5pF 2
1
CN301
GP : LOW
LGIT : HIGH
CAM CONN
7.5pF
CAM_F_DATA[0]
INOUT_A4
4
CAM_F_DATA[1]
INOUT_A3
3
INOUT_A2 CAM_F_DATA[2]
2
CAM_F_DATA[3]
INOUT_A1
1
FL303
7.5pF CN302
1 24
2 23
INOUT_A4 CAM_F_DATA[4] CAM_F_DATA[7]
4
CAM_F_DATA[5]
INOUT_A3 3 22
3
CAM_F_DATA[6] CAM_F_DATA[6]
INOUT_A2
2
INOUT_A1 CAM_F_DATA[7] 4 21
1 CAM_F_DATA[5]
FL304
5 20
CAM_F_DATA[4]
6 19
CAM_F_MCLK CAM_F_DATA[3]
7 18
CAM_F_DATA[2]
C312
8 17
7.5p
CAM_F_DATA[1]
9 16
CAM_F_DATA[0]
10 15
CAM_F_PCLK
CAM_F_PCLK
11 14
CAM_RESET
12 13
C314
CAM_PD
DNI
(DIF_D8)
VA312 VA313
ENBY0034201
DNI DNI GB042-24S-H10-E3000
7. CIRCUIT DIAGRAM
VBAT
C305
2.2u
R310
100K
LCD_RESET
C322
1u
VIO VIO
C308 C309
1u
1u
FB300
75
I2C_SCL1
I2C_SDA1
CAM_VSYNC
CAM_HSYNC
CAM_F_MCLK
C315 C316 C317
1u 1u 1u
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Only for training and service purposes