LG HB620 Service Manual page 156

7. CIRCUIT DIAGRAM
1 1 2 2 3 3
A A
CN501
G1
+VPWR 1 40 DIB_OE_N
2 39 DIB_CS_N
3 38 DIB_WE_N
4 37 DIB_ADDR[1]
VREG_MMC_3.0V
5 36 DIB_ADDR[2]
MICROSD_DATA(0)
6 35
MICROSD_DATA(1)
7 34
MICROSD_DATA(2) DIB_DATA[0]
8 33
MICROSD_DATA(3) DIB_DATA[1]
9 32
MICROSD_CLK DIB_DATA[2]
10 31
MICROSD_CMD DIB_DATA[3]
11 30
DIB_DATA[4]
12 29
DIB_DATA[5]
TCC_2.6V_MISC
13 28
DIB_DATA[6]
14 27
DIB_DATA[7]
B B 15 26
16 25
DIB_RDY
17 24
DIB_IRQ
18 23
DIB_RESET_N
19 22
DIB_PWR_EN
20 21
V_BACK_UP
G2
VREG_MSMP_2.7V
C C
HOT501 501
(VT CALL)
KEY_ROW[0]
HOT502 504
(JAVA)
KEY_ROW[1]
HOT503 508
(MENU)
KEY_ROW[2]
D D
HOT504
KEY_ROW[3]
HOT506 HOT507
KEY_ROW[4]
KEY_COL[0]
KEY_COL[1]
KEY_COL[2]
KEY_COL[3]
KEY_COL[4]
E E
KEY MATRIX
+VPWR
F F
G G
KYPD_LED_EN
KEY BACKLIGHT LEDs
H H
1 1 2 2 3 3
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 4 5 5 6 6
EVRC14S03Q030100R
1
MM_SUB_LCD_CS_N INOUT_A1 INOUT_B1
2
MM_LCD_ADS_N INOUT_A2 INOUT_B2
3
MM_LCD_WE_N INOUT_A3 INOUT_B3
4
LCD_RESET_N INOUT_A4 INOUT_B4
EVRC14S03Q030100R
1
MM_LCD_DATA[0]
INOUT_A1 INOUT_B1
2
MM_LCD_DATA[1]
INOUT_A2 INOUT_B2
3
MM_LCD_DATA[2] INOUT_A3 INOUT_B3
4
MM_LCD_DATA[3] INOUT_A4 INOUT_B4
EVRC14S03Q030100R
1
MM_LCD_DATA[4] INOUT_A1 INOUT_B1
2
MM_LCD_DATA[5] INOUT_A2 INOUT_B2
3
MM_LCD_DATA[6] INOUT_A3 INOUT_B3
4
MM_LCD_DATA[7] INOUT_A4 INOUT_B4
EVRC14S03Q030100R
1
MM_LCD_DATA[8]
INOUT_A1 INOUT_B1
2
MM_LCD_DATA[9]
INOUT_A2 INOUT_B2
3
MM_LCD_DATA[10]
INOUT_A3 INOUT_B3
4
502 503 star MM_LCD_DATA[11]
INOUT_A4 INOUT_B4
505 506 507
EVRC14S03Q030100R
1
MM_LCD_DATA[12] INOUT_A1 INOUT_B1
509 510 sharp 2
MM_LCD_DATA[13] INOUT_A2 INOUT_B2
3
MM_LCD_DATA[14] INOUT_A3 INOUT_B3
4
MM_LCD_DATA[15] INOUT_A4 INOUT_B4
HOT505
HOT508 HOT509 HOT510 FL506 EVRC18S03Q015010R
1
CAM_DATA[0] INOUT_A1 INOUT_B1
2
CAM_DATA[1] INOUT_A2 INOUT_B2
3
CAM_DATA[2]
INOUT_A3 INOUT_B3
4
CAM_DATA[3]
INOUT_A4 INOUT_B4
FL507 EVRC18S03Q015010R
1
CAM_DATA[4] INOUT_A1 INOUT_B1
2
CAM_DATA[5] INOUT_A2 INOUT_B2
3
CAM_DATA[6] INOUT_A3 INOUT_B3
4
CAM_DATA[7] INOUT_A4 INOUT_B4
KEY_ROW[4]
KEY_ROW[3]
KEY_ROW[2]
KEY_ROW[1]
KEY_ROW[0]
KEY_COL[5]
KEY_COL[4]
KEY_COL[3]
KEY_COL[2]
KEY_COL[1]
KEY_COL[0]
51p 51p 51p 51p
4 4 5 5 6 6
- 157 -
7 7 8 8 9 9
9
FILTER_MM_SUB_LCD_CS_N
8
FILTER_MM_LCD_ADS_N
7
FILTER_MM_LCD_WE_N
6
FILTER_LCD_RESET_N
FL501
+VPWR
TCC_2.7V_EHI_LCD
SPK_RCV+
SPK_RCV-
9
FILTER_MM_LCD_DATA[0]
8
FILTER_MM_LCD_DATA[1] V_CAM_RESET_N
7
FILTER_MM_LCD_DATA[2] M_CAM_RESET_N R501
6
FILTER_MM_LCD_DATA[3] KEY_ROW[3]
KEY_COL[1] 100ohm
KEY_COL[2]
FL502
KEY_COL[3]
LCD_BL_CTRL
CAM_DUAL_LDO_EN
LCD_MAKER_ID
9
FILTER_MM_LCD_DATA[4]
8
FILTER_MM_LCD_DATA[5] LCD_IF_MODE_0
7
FILTER_MM_LCD_DATA[6]
6
FILTER_MM_LCD_DATA[7] FILTER_MM_LCD_DATA[0]
FILTER_MM_LCD_DATA[1]
FILTER_MM_LCD_DATA[2]
FL503
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
9
FILTER_MM_LCD_DATA[8] FILTER_MM_LCD_ADS_N
8
FILTER_MM_LCD_DATA[9] MM_LCD_VSYNC
7
FILTER_MM_LCD_DATA[10] FILTER_LCD_RESET_N
6
FILTER_MM_LCD_DATA[11]
FL504
9
FILTER_MM_LCD_DATA[12]
8
FILTER_MM_LCD_DATA[13]
7
FILTER_MM_LCD_DATA[14]
6
FILTER_MM_LCD_DATA[15]
FL505
9
CAM_DATA[0]F
8
CAM_DATA[1]F
7
CAM_DATA[2]F
6
CAM_DATA[3]F
9
CAM_DATA[4]F
8
CAM_DATA[5]F
7
CAM_DATA[6]F
6
CAM_DATA[7]F
CN503
1 R904 100ohm
KEY_ROW[0]
SIDE_VOLUME_UP_KEY
2 R905 100ohm
KEY_ROW[1] SIDE_VOLUME_DOWN_KEY
3 R906 100ohm
KEY_COL[5]
4
CN504
3 R907 100ohm
KEY_ROW[2] SIDE_VOLUME_CAMERA
2 R908 100ohm
KEY_COL[5]
1
51p 51p 51p 51p 51p
51p 51p
7 7 8 8 9 9
10 10 11 11 12 12
LGE Internal use only
A A
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
Camera filter Rev.B
10 61 B B
CAM_PCLK
11 60
MC_IO_OFF R502
12 59
CAM_SYSCLK
13 58
VC_IO_OFF C501 47
14 57 L502
CAM_DATA[0]F 33p
15 56 NA
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 C C
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
Rev D
G3 G4
C502
0.1u
LCD CONNECTOR
D D
E E
F F
G G
SIDE KEY
H H
10 10 11 11 12 12
LGE Internal Use Only