LG HB620 Service Manual page 100

+VPWR
TCC_2.7V_EHI_LCD
SPK_RCV+
SPK_RCV-
V_CAM_RESET_N
M_CAM_RESET_N
R501
KEY_ROW[3]
KEY_COL[1] 100ohm
KEY_COL[2]
KEY_COL[3]
LCD_BL_CTRL
CAM_DUAL_LDO_EN
LCD_MAKER_ID
LCD_IF_MODE_0
FILTER_MM_LCD_DATA[0]
FILTER_MM_LCD_DATA[1]
FILTER_MM_LCD_DATA[2]
FILTER_MM_LCD_DATA[3]
FILTER_MM_LCD_DATA[4]
FILTER_MM_LCD_DATA[5]
FILTER_MM_LCD_DATA[6]
FILTER_MM_LCD_DATA[7]
MM_LCD_RD_N
FILTER_MM_LCD_ADS_N
MM_LCD_VSYNC
FILTER_LCD_RESET_N
Rev D
C502
0.1u
MAIN_LED1
MAIN_LED4
WLED_PWR
FILTER_LCD_RESET_N
FILTER_MM_LCD_DATA[15]
FILTER_MM_LCD_DATA[13]
FILTER_MM_LCD_DATA[11]
FILTER_MM_LCD_DATA[9]
FILTER_MM_LCD_DATA[7]
FILTER_MM_LCD_DATA[5]
FILTER_MM_LCD_DATA[3]
FILTER_MM_LCD_DATA[1]
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CN502
G1 G2
1 70
MOTOR_PWR-
L501 56nH
2 69
3 68 Rev.D
4 67
I2C_SCL
5 66
I2C_SDA
6 65
7 64 FB501
CAM_VSYNC
8 63 FB502
CAM_HSYNC
9 62
10 61
CAM_PCLK
11 60
MC_IO_OFF
12 59
13 58
VC_IO_OFF
14 57
CAM_DATA[0]F
15 56
CAM_DATA[1]F
16 55
CAM_DATA[2]F
17 54
CAM_DATA[3]F
18 53
CAM_DATA[4]F
19 52
CAM_DATA[5]F
20 51
CAM_DATA[6]F
21 50
CAM_DATA[7]F
22 49
23 48
FILTER_MM_LCD_DATA[8]
24 47
FILTER_MM_LCD_DATA[9]
25 46
FILTER_MM_LCD_DATA[10]
26 45
FILTER_MM_LCD_DATA[11]
27 44
FILTER_MM_LCD_DATA[12]
28 43
FILTER_MM_LCD_DATA[13]
29 42
FILTER_MM_LCD_DATA[14]
30 41
FILTER_MM_LCD_DATA[15]
31 40
FILTER_MM_LCD_WE_N
32 39
FILTER_MM_SUB_LCD_CS_N
33 38
MM_MAIN_LCD_CS_N
34 37
VREG_CAM_DVDD_2.8V
35 36
G3 G4
CN103
G2
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
MM_LCD_RD_N
5
FILTER_MM_LCD_ADS_N
4
MM_LCD_VSYNC
3
2
1
G1
AXK8L40125G
ENBY0020201
[Fig. 4.7] Schematic of LCD part
- 101 -
4. TROUBLE SHOOTING
MM_SUB_LCD_CS_N
MM_LCD_ADS_N
MM_LCD_WE_N
LCD_RESET_N
Camera filter Rev.B
R502
CAM_SYSCLK
MM_LCD_DATA[0]
C501 47 MM_LCD_DATA[1]
L502
33p
MM_LCD_DATA[2]
NA
MM_LCD_DATA[3]
MM_LCD_DATA[4]
MM_LCD_DATA[5]
MM_LCD_DATA[6]
MM_LCD_DATA[7]
MM_LCD_DATA[8]
MM_LCD_DATA[9]
MM_LCD_DATA[10]
MM_LCD_DATA[11]
MM_LCD_DATA[12]
MM_LCD_DATA[13]
MM_LCD_DATA[14]
MM_LCD_DATA[15]
TCC_2.7V_EHI_LCD
21
MAIN_LED2
22
MAIN_LED3
23
MAIN_LED5
24
LCD_IF_MODE_0
25
26
FILTER_MM_SUB_LCD_CS_N
27
FILTER_MM_LCD_DATA[14]
28
FILTER_MM_LCD_DATA[12]
29
FILTER_MM_LCD_DATA[10]
30
FILTER_MM_LCD_DATA[8]
31
FILTER_MM_LCD_DATA[6]
32
FILTER_MM_LCD_DATA[4]
33
FILTER_MM_LCD_DATA[2]
34
FILTER_MM_LCD_DATA[0]
35
FILTER_MM_LCD_WE_N
36
MM_MAIN_LCD_CS_N
37
LCD_MAKER_ID
38
39
40
EVRC14S03Q030100R
1 9
INOUT_A1 INOUT_B1 FILTER_MM_SUB_LCD_CS_N
2 8
FILTER_MM_LCD_ADS_N
INOUT_A2 INOUT_B2
3 7
INOUT_A3 INOUT_B3 FILTER_MM_LCD_WE_N
4 6
FILTER_LCD_RESET_N
INOUT_A4 INOUT_B4
FL501
EVRC14S03Q030100R
1 9
INOUT_A1 INOUT_B1 FILTER_MM_LCD_DATA[0]
2 8
FILTER_MM_LCD_DATA[1]
INOUT_A2 INOUT_B2
3 7
INOUT_A3 INOUT_B3 FILTER_MM_LCD_DATA[2]
4 6
INOUT_A4 INOUT_B4 FILTER_MM_LCD_DATA[3]
FL502
EVRC14S03Q030100R
1 9
FILTER_MM_LCD_DATA[4]
INOUT_A1 INOUT_B1
2 8
INOUT_A2 INOUT_B2 FILTER_MM_LCD_DATA[5]
3 7
FILTER_MM_LCD_DATA[6]
INOUT_A3 INOUT_B3
4 6
INOUT_A4 INOUT_B4 FILTER_MM_LCD_DATA[7]
FL503
EVRC14S03Q030100R
1 9
INOUT_A1 INOUT_B1 FILTER_MM_LCD_DATA[8]
2 8
FILTER_MM_LCD_DATA[9]
INOUT_A2 INOUT_B2
3 7
FILTER_MM_LCD_DATA[10]
INOUT_A3 INOUT_B3
4 6
INOUT_A4 INOUT_B4 FILTER_MM_LCD_DATA[11]
FL504
EVRC14S03Q030100R
1 9
INOUT_A1 INOUT_B1 FILTER_MM_LCD_DATA[12]
2 8
INOUT_A2 INOUT_B2 FILTER_MM_LCD_DATA[13]
3 7
FILTER_MM_LCD_DATA[14]
INOUT_A3 INOUT_B3
4 6
INOUT_A4 INOUT_B4 FILTER_MM_LCD_DATA[15]
FL505
LGE Internal Use Only