Read Sharp LL-171G Service Manual online
LL-171A-W/B/LL-171G-W/B
CIRCUIT DIAGRAM & PWB LAYOUT
6 – 7
81X90 FOR SHARP
B5
5.PANEL INTERFACE
VLCD
PB[0..9]
PA[0..9]
B3
6.MCU
onBACKLITE
onPANEL_5V/3.3V
SDA
INT
CSZ
DDC_DAT
SCL
HWRESET
DDC_CLK
Volume
VCC5V
VCC12V
VCPU
RXD
TX
D
AdjBACKLITE
DVI-DDCSET
B2
4.SCALER
RIN
GIN
SOG
BIN
GNDR
GNDG
GNDB
HSYNC
VSYNC
R+
R-
G-
G+
B+
B-
CLK+
CLK-
CSZ
SCL
SDA
HWRESET
INT
Volume
PA[0..9]
PB[0..9]
VCC2.5
VCC3.3
VAA1
VAA2
VAA3
VAA4
VSYNC1
GNDR1
GIN1
GNDB1
GNDG1
BIN1
SOG1
RIN1
HSYNC1
B4
2.POWER
onPanel_5V/3.3V
onBACKLITE
AdjBACKLITE
VCC3.3
VCC2.5
VAA
1
VAA
2
VAA
3
VAA
4
VCC5V
VCC12V
VLCD
VCPU
B1
3.INPUT
RIN
GIN
BIN
VSYNC
GNDR
GNDG
GNDB
HSYNC
SOG
DDC_CLK
DDC_DAT
R+
R-
G-
G+
B+
B-
CLK+
CLK-
TX
D
RXD
RIN1
GNDR1
GIN1
GNDG1
GNDB1
VSYNC1
SOG1
HSYNC1
BIN1
DVI-DDCSET
PB[0..9]
PA[0..9]
VCC2.5
VCC5V
VAA1
VCC12V
VCPU
VAA2
VCC5V
VLCD
VAA1
VCC12V
VCC3.3
VCC3.3
VAA3
VLCD
VAA4
VAA
3
VCC2.5
VAA4
VCPU
VAA
2
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
1/6
1.
T
O
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■
171G
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