Service manual

Buffalo BU1715
21
6.Schematic Diagram
6.1 Main Board
TSU16AK SCHEMATIC
B1
3.INPUT
RIN
GIN
BIN
VSYNC
GNDR
GNDG
GNDB
ST_DET1 HSYNC
SOGDDC_CLK
DDC_DAT
R+
R-
G-
G+
B+
B-
CLK+
CLK-
TXD
RXD
DDC_WP
DVI_DET
DDCCI_SEL
VAA4
VCC12V
B4
2.POWER
onPanel_5V/3.3V
onBACKLITE
AdjBACKLITE
VCC3.3
VCC1.8
VAA1
VAA2
VAA3
VAA4
VCC5V
VCC12V
VLCD
VCPU
VAA4
VAA2
VCC12V
TOP
B
B
16Wednesday, October 06, 2004
Title
Size Document Number Rev
Date: Sheet
of
PB[0..9]
VLCD
B3
6.MCU
onBACKLITE
onPANEL_5V/3.3V
SDA
INT
CSZ
DDC_DAT
ST_DET1
SCL
HWRESET
DDC_CLK
Volume
VCC5V
VCC12V
VCPU
RXD
TXD
AD0
AD1
AD2
AD3
DDC_WPDVI_DET
DDCCI_SEL
VLCD
VCPU
VAA1
VCPU
VAA2
VAA3
PA[0..9]
VAA1
VCC1.8
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
AdjBACKLITE
PA[0..9]
PB[0..9]
VCC1.8
VCC3.3
VAA1
VAA2
VAA3
VAA4
AD0
AD1
AD2
AD3
VCC1.8
VCC3.3
VCC5V
VCC5V
VAA3
B5
5.PANEL INTERFACE
VLCD
PB[0..9]
PA[0..9]
VCC3.3