7. CIRCUIT DIAGRAM
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|
LCD FILTER, ZIP CONNECTOR
MULTI_KEY & END_KEY
MULTI_KEY BACKLIGHT
A
| 2V62_VIO |
|
| R100 | C100 |
| 100K | 0.1u |
|
| CN100 |
|
| 1 |
|
| 2 |
LCD_BL_PWM |
| 3 |
IFMODE(0) | IFMODE(1) | IFMODE(3) | MODE |
L | X | L | Sharp |
L | H | H | Hitachi |
KEY_ROW4
SOFT1
100
HOT
104
SOFT2
101
CLR
105
SEND OK
102103
RIGHT
106
VBAT
A
B
IF_MODE3 | R101 | 0 | 4 | |
| 5 | |||
R102 | 0 |
| ||
IFMODE(1) | 6 | |||
|
| |||
DIF_VSYNC |
| IFMODE(0) | 7 | |
DIF_RD |
|
| 8 | |
DIF_WR |
|
| 9 | |
DIF_CD |
|
| 10 | |
DIF_CS |
|
| 11 | |
|
|
| 12 | |
|
|
| 13 | |
|
|
| 14 | |
|
|
| 15 | |
|
|
| 16 | |
|
|
| 17 | |
|
|
| 18 | |
|
|
| 19 | |
DIF_D(7) |
|
| 20 | |
DIF_D(6) |
|
| 21 | |
DIF_D(5) |
|
| 22 | |
DIF_D(4) |
|
| 23 | |
DIF_D(3) |
|
| 24 | |
DIF_D(2) |
|
| 25 | |
DIF_D(1) |
|
| 26 |
KEY_ROW5
KEY_ROW6
KEY_COL4
KEY_COL5
KEY_COL6
KEY_COL7
LEFT
107
UP
108
DOWN
109
C101
1u
R110
SUB_KEY_BL
1K
R111
100ohm |
| 100ohm |
R103 | R104 | |
LD100 | LD101 | |
10K |
|
|
| 100ohm |
R105 | |
LD102 |
| 100ohm |
| 100ohm |
R106 | R107 | ||
LD103 | LD104 |
Q100
2SC5585
| 100ohm |
R108 | |
LD105 |
| 100ohm |
|
R109 | ||
LD106 |
C102
1u
DIF_D(0) | 27 |
VBAT
C
LCD_ID | 28 |
| 29 |
| 30 |
DIF_RESET | 31 |
MLED5 | 32 |
MLED4 | 33 |
MLED3 | 34 |
MLED2 | 35 |
MLED1 | 36 |
MLED | 37 |
| VA101 |
| EVLC14S02050 |
R113
LCD_ID
DNI
IF_MODE3
END_KEY
END
KB100
R112 150
VA100
EVL14S02200
C
LCD BACKLIGHT
TOUCH
FPCB To SLIDE Connector
VBAT
C103 1u
2V8_VVIB |
D
2V62_VIO
2V8_VVIB
VBAT
C104
1u
|
| 6 | 2 |
|
|
3 | IN | C1P | C1N | OUT | 7 |
1 | GND |
|
| LED1 | 14 |
|
|
| U100 | LED2 | 13 |
|
|
|
| 12 |
MLED
MLED1
MLED2
| CN101 |
|
| G1 | G2 |
TP100 | 1 | 10 |
TOUCH_RST | 2 | 9 |
| 3 | TOUCH_INT |
RCV_P | 8 | |
4 | TOUCH_SDA | |
| 7 |
D
CN102
140
DBB_BL_PWM
R114 DNI
| MAX8630W LED3 | 11 |
9 CPWM | LED4 | |
LED5 | 10 |
MLED3
MLED4
MLED5
RCV_N | 6 | TOUCH_SCL |
5 |
| |
G3 | C105 | C106 |
G4 |
|
E
IF_MODE3
LCD_ID DIF_RESET DIF_VSYNC DIF_RD DIF_WR DIF_CD DIF_CS
DIF_D(0)
DIF_D(1)
DIF_D(2)
DIF_D(3)
DIF_D(4)
DIF_D(5)
DIF_D(6)
DIF_D(7)
338
437
536
635
734
833
932
1031
1130
1229
1328
1427
1526
1625
1724
1823
1922
2021
END_KEY
SUB_KEY_BL KEY_ROW4 KEY_ROW5 KEY_ROW6 KEY_COL4 KEY_COL5 KEY_COL6 KEY_COL7
TOUCH_SCL TOUCH_SDA TOUCH_INT DBB_BL_PWM
RCV_P
RCV_N
LCD_BL_PWM
R115 0
R116 | 100K |
| 8 PWM | C2P | C2N | P_GND 15 | ||||
C114 |
|
|
| |||||
| 5 |
|
| 4 |
|
|
| |
0.1u |
|
|
|
|
|
|
|
|
|
| C115 |
|
|
| 1u |
|
|
|
|
|
| |||||
C113
1u
9p | 9p | 9p | 9p | 9p | 9p |
C107 | C108 | C109 | C110 | C111 | C112 |
27p | 27p |
Socket
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|
LGE Internal Use Only | - 114 - | Copyright © 2008 LG Electronics. Inc. All right reserved. |
|
| Only for training and service purposes |
