LG TracFone LG840G Service Manual page 135

3.2" QVGA LCD Connector
FROM THE E0
Must Check Pinmap!!
+VPWR
LCD_PWM
LCD_ID
MLED[1]
D601 D602
MLED[2]
C604
MLED[3]
2.2u
MLED[4]
MLED[5]
FL603 LCD_RESET_N
15pF
LCD_RS
INOUT_A4 INOUT_B4
4 6
LCD_CS_N INOUT_A3 INOUT_B3
3 7
EBI2_OE_N INOUT_A2 INOUT_B2
2 8
EBI2_WE_N INOUT_A1 INOUT_B1
1 9
R636
LCD_VSYNC
100
C621 C622
15p 15p
2M_FF_CAMERA
FROM THE Q4
F_CAM_DATA7
F_CAM_DATA6
F_CAM_DATA5
F_CAM_DATA4
F_CAM_DATA3
F_CAM_DATA2
F_CAM_DATA1
F_CAM_DATA0
R605 10
CAM_PCLK
C617 C618
CAM_RESET_N
7.5p DNI
CAM_PWDN
D604 D605
GB042-24S-H10-E3000
LGE Internal Use Only
VREG_MSME_1.8V
LCD Filter(EMI 100 ohm, 15pF)
VREG_LCD_2.8V
VREG_MSME_1.8V
FL601
15pF
INOUT_A4 INOUT_B4
C603 4 6
INOUT_A3 INOUT_B3
R601 1u
3 7
INOUT_A2 INOUT_B2
100K CN601 2 8
INOUT_A1 INOUT_B1
1 9
1 40
2 39
3 38
4 37
5 36
FL602
15pF
6 35
7 34
8 33
INOUT_A4 INOUT_B4
9 32 4 6
INOUT_A3 INOUT_B3
10 31 3 7
INOUT_A2 INOUT_B2
11 30 2 8
INOUT_A1 INOUT_B1
12 29 1 9
13 28
R602
14 27
15 26
100
16 25
17 24
FL604
15pF
18 23
D603 19 22
20 21
INOUT_A4 INOUT_B4
4 6
INOUT_A3 INOUT_B3
3 7
ENBY0036001
INOUT_A2 INOUT_B2
2 8
GB042-40S-H10-E3000
INOUT_A1 INOUT_B1
1 9
FL605
15pF
INOUT_A4 INOUT_B4
4
INOUT_A3 INOUT_B3
C613
3
INOUT_A2 INOUT_B2
1u
2
INOUT_A1 INOUT_B1
1
VREG_CAM_DVDD_1.8V
VREG_CAM_IOVDD_1.8V
VREG_CAM_AVDD_2.8V
CN602
1 24
2 23
CAM_I2C_SCL
3 22
CAM_I2C_SDA
4 21 Check the pull-up resistor on I2C lines
5 20
F_CAM_VSYNC
6 19
F_CAM_HSYNC
7 18
R635 10
CAM_MCLK
8 17
C619 C620
7.5p DNI
9 16
10 15
11 14
12 13
C614 C615 D606 D607
C616
0.1u 0.1u
2.2u
ENBY0034201
6ch_CHARGING PUMP _4LDO
EBI2_DATA[0]
EBI2_DATA[1]
VREG_CAM_AVDD_2.8V
EBI2_DATA[2]
EBI2_DATA[3]
VREG_CAM_DVDD_1.8V
VREG_CAM_IOVDD_1.8V
EBI2_DATA[4]
EBI2_DATA[5]
EBI2_DATA[6]
C606 C607
EBI2_DATA[7]
1u 1u
EBI2_DATA[8]
EBI2_DATA[9]
EBI2_DATA[10]
EBI2_DATA[11]
EBI2_DATA[12]
6
EBI2_DATA[13]
7
EBI2_DATA[14]
8
EBI2_DATA[15]
9
CAM_EMI FILTER
FROM THE Q4
Camera Side
FL606
1 9
INOUT_A1 INOUT_B1
2 8
INOUT_A2 INOUT_B2
3 7
F_CAM_VSYNC INOUT_A3 INOUT_B3 CAM_VSYNC
4 6
F_CAM_HSYNC INOUT_A4 INOUT_B4 CAM_HSYNC
7.5pF
FL607
1 9
F_CAM_DATA0 INOUT_A1 INOUT_B1 CAM_DATA0
2 8
F_CAM_DATA1 INOUT_A2 INOUT_B2 CAM_DATA1
3 7
F_CAM_DATA2 INOUT_A3 INOUT_B3 CAM_DATA2
4 6
F_CAM_DATA3 INOUT_A4 INOUT_B4 CAM_DATA3
7.5pF
FL608
1 9
INOUT_A1 INOUT_B1
F_CAM_DATA4 CAM_DATA4
2 8
F_CAM_DATA5 INOUT_A2 INOUT_B2 CAM_DATA5
3 7
F_CAM_DATA6 INOUT_A3 INOUT_B3 CAM_DATA6
4 6
F_CAM_DATA7 INOUT_A4 INOUT_B4 CAM_DATA7
7.5pF
- 135 -
FROM THE Q4
7.0x7.0x4.1t
+VPWR
C601 1u
C602 1u
VREG_TOUCH_2.8V
6 24
AGND VOUT
7 23
VIN LED1
8 22
U601
LDOIN LED2
9 21
LDO4 RT9396 LED3
10 20
LDO3 LED4
11 19
LDO2 EUSY0344403 LED5
12 18
LDO1 LED6
C605
1u VA602 VA603 VA604 VA605
C608 C609
C610 C611
1u 1u 2.2u 2.2u
BL_MINI_I2C_SCL
BL_MINI_I2C_SDA
LCD_BL_CTRL
R604
VREG_MSME_1.8V
C612
100K
1u
R610
100K
KEY BACKLIGHT LED
FROM THE E0
+VPWR
R606 47
LD601
R607 47
LD602
LD603 R608 47
7. CIRCUIT DIAGRAM
MLED[1]
MLED[2]
MLED[3]
MLED[4]
MLED[5]
VA606
KEY_BACKLIGHT
VA608
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