Read Sharp LL-T1803 (serv.man5) Service Manual online
LL-T1803-E/P
BLOCK DIAGRAM
4 – 2
UNIT TERMINAL
1
JP1 (LVDS to LCD Panel)
Used Connector : HEADER_15x2/SM
2
JP2 (To Key Switch Board Terminal)
Used Connector : PH_9
3
JP4 (To Inverter Terminal)
Used Connector : PH_6
4
JP7 (Power Supply Input Terminal Form AC
Adapter)
Uesd Connector : POWER_JACK20_B
5
JP3 (Analog Signal Input Terminal)
Used Connector : D-sub 15P (WIESON)
6
J1 (Digital Signal Input Terminal)
Used Conector : DVI-D 24P (FOXCONN)
Pin No.
Symbol
Functin
1
FR0P
LVDS differential data
2
FR1P
LVDS differential data
3
FR0M
LVDS differential data
4
FR1M
LVDS differential data
5
FR2P
LVDS differential data
6
FR3P
LVDS differential data
7
FR2M
LVDS differential data
8
FR3M
LVDS differential data
9
FCLKP
LVDS differential clock
10
LCDS_GND
GND
11
FCLKM
LVDS differential clock
12
SR0P
LVDS differential data
13
LCDS_GND
GND
14
SR0M
LVDS differential data
15
SR1P
LVDS differential data
16
SR2P
LVDS differential data
17
SR1M
LVDS differential data
18
SR2M
LVDS differential data
19
SR3P
LVDS differential data
20
SCLKP
LVDS differential clock
21
SR3M
LVDS differential data
22
SCLKM
LVDS differential clock
23
OPEN
24
GND
GND
25
GND
GND
26
GND
GND
27
GND
GND
28
VCC_LCD
+12V Power Supply
29
VCC_LCD
+12V Power Supply
30
VCC_LCD
+12V Power Supply
Pin No.
Symbol
1
SELECT
Select
2
MENU
Menu
3
SOURCE_SEL
Input
4
UP
Up
5
DOWN
Down
6
SOFT_START
Soft Power
7
LED_AMBER
LED Orange
8
LED_GREEN
LED Green
9
GND
GND
Pin No.
Symbol
Functin
1
+12V
+12V IN
2
+12V
+12V IN
3
GND
GND
4
GND
GND
5
BL_PWM
Brighness Control
6
BL_ON_OFF#
Back Light ON/OFF
Pin No.
Symbol
Functin
1
GND
GND
2
+12V
+12V IN
3
GND
GND
Pin No.
Symbol
Functin
1
R_IN
Analog RED Signal
2
G_IN
Analog GREEN Signal
3
B_IN
Analog BLUE Signal
4
GND
GND
5
GND
GND
6
GND
GND
7
GND
GND
8
GND
GND
9
A_DDC_+5V
DDC
10
GND
GND
11
GND
GND
12
VGA_SDA
DDC
13
VGA_HS
H-SYNC
14
VGA_VS
V-SYNC
15
VGA_SCL
DDC
Pin No.
Symbol
Functin
1
D2-
TMDS differential data
2
D2+
TMDS differential data
3
D2/4
GND
4
D4-
TMDS differential data
5
D4+
TMDS differential data
6
DDC CLK
DDC clock
7
DDC DATA
DDC data
8
VSYNC
V-SYNC
9
D1-
TMDS differential data
10
D1+
TMDS differential data
11
D1/3
GND
12
D3-
TMDS differential data
13
D3+
TMDS differential data
14
+5V
+5V
15
GNDA
GND
16
PLUG
Hot Plug Detect
17
D0-
TMDS differential data
18
D0+
TMDS differential data
19
D0/5
GND
20
D5-
TMDS differential data
21
D5+
TMDS differential data
22
TMDS CLK
GND
23
TMDS CLK+
TMDS differential clock
24
TMDS CLK-
TMDS differential clock
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