Samsung SCX-6555N - Page 350

System Diagram
Service Manual
6-3
Samsung Electronics
– OP Unit
1
2
3
4
5
6
7
8
9
10
CN1 MAIN IF 1
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17
5V KEY0 KEY1 KEY2 KEY3 KEY4 KEY_OUT0 KEY_OUT1 KEY_OUT2 KEY_OUT3 KEY_OUT4 LED0 LED1 LED2 LED3 SOFT_BUTTON DGND
CN 3 KEY INTERFACE
1
2
3
4
TPAD_YP
TPAD_XM
TPAD_YM
TPAD_XP
CN8
TOUCH
1
2
3
4
5
6
nLCD_BL_D
24V
nLCD_BL_D
24V
nLCD_BL_D
24V
CN7
BLU
1 2 3 4 5 6 7 8 9
10 11
5V KEY6 KEY5 KEY_OUT0 KEY_OUT1 KEY_OUT2 LED4 LED5 LED6 LED7 DGND
CN4 KEY SUB
GND
GND
3.3V
3.3V
G_DATA(16)
G_DATA(17)
G_DATA(18)
G_DATA(19)
G_DATA(20)
G_DATA(21)
G_DATA(22)
G_DATA(23)
G_DATA(8)
G_DATA(9)
G_DATA(10)
G_DATA(11)
G_DATA(12)
G_DATA(13)
G_DATA(14)
G_DATA(15)
CN 6 LCD INTERFACE
- SCX-6555N UI Controller V0.0
1-292166-0
1-292486-1
1-292486-7
1
2
3
4
3.3V
TXD1
RXD1
DGND
CN11
UART
292166-4
1
2
3
4
3.3V
TXD0
RXD0
DGND
CN9
HYPER
292166-4
1
2
3
4
5
6
7
8
3.3V
TDO
nTRST
TCK
TMS
TDI
nRESET
DGND
CN12 JTAG
292166-8
1
2
3
4
DGND
DP_OPE
DM_OPE
NC
CN2
MAIN IF 2
292166-4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
G_DATA(0)
G_DATA(1)
G_DATA(2)
G_DATA(3)
G_DATA(4)
G_DATA(5)
G_DATA(6)
G_DATA(7)
GND
PCLK_LCD
DISP_LCD
HSYNC_LCD
VSYNC_LCD
DE_LCD
NC
NC
GND
GND
NC
NC
KP20A-40S-0.5SH
DGND
DGND
DGND
DGND
SOFT_BUTTON
nRESET
5V
5V
5V
24V
17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1
OP
KEY
OP
KEY_SUB
11 10
9 8 7 6 5 4 3 2 1
MAIN Controller
3 2 1
10
9
8
7
6
5
4
3
2
1
Only for
Development
7" color TFT LCD
FH19-4S-0.5SHFH19-6S-0.5SH
1 2 3 4 5 6
5V GND SPICLK0 SPIMISO0 SPIMOSI0 nSS0
CN14 SPI
292486-6
6 5 4 3 2 1
3 2 1
4
3
2
1
USB
HUB IC
USB
HOST
FRONT
USB
HOST
KEY
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA