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8.SCHEMATIC
8.1 MAIN BOARD
TSU16/56AK SCHEMATIC
VCPU
VCC12V
VCC5V
VCC3.3
VCC1.8
VAA1
VAA2
VAA3
VAA4
VCC5V
B1
RIN
GNDR
TXD
GIN
RXD
GNDG
DDC_CLK
SOG
DDC_DAT
BIN
GNDB
ST_DET1
HSYNC
VSYNC
DVI_DET
DDCCI_SEL
R+
R-
G+
G-
B+
B-
CLK+
CLK-
DDC_WP
3.INPUT
B3
DDCCI_SEL
DVI_DET
DDC_WP
ST_DET1
DDC_CLK
CSZ
DDC_DAT
SCL
RXD
SDA
TXD
HWRESET
INT
AD0
VCC5V
AD1
AD2
VCC12V
AD3
VCPU
Volume
onPANEL_5V/3.3V
onBACKLITE
VCPU
VCC12V
6.MCU
B4
onBACKLITE
onPanel_5V/3.3V
VCPU
VCC12V
VCC3.3
VCC1.8
AdjBACKLITE
VAA1
VLCD
VAA2
VAA3
VAA4
VCC5V
VLCD
2.POWER
B2
RIN
GNDR
GIN
GNDG
SOG
BIN
GNDB
HSYNC
VSYNC
R+
R-
G+
G-
B+
B-
CLK+
CLK-
CSZ
SCL
SDA
HWRESET
INT
AD0
AD1
AD2
AD3
Volume
AdjBACKLITE
4.SCALER
21
BUFFALO Service Manual
VCC1.8
VCC3.3
VAA1
VAA2
VAA3
VAA4
VCC1.8
VCC3.3
VAA1
VAA2
VAA3
VAA4
B5
PA[0..9]
PA[0..9]
PA[0..9]
VLCD
PB[0..9]
PB[0..9]
PB[0..9]
VLCD
5.PANEL INTERFACE
Title
TSU16/56AK FOR MYSON512 SWITCH
Size
Document Number
B
TOP
Date:
Wednesday, October 06, 2004
Sheet
Rev
B
1
of
6
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