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5
.
BLOCK DIAGRAM
FROM
A/D ADAPTOR
INTERFACE BOARD(DPWBN5419T8---A)
COMPUTER
GRAPHIC
12V
3.3V
5V
W1
(DB15)
A/D
CONVERTER
AD9883
(U3)
SCALER
SD1210-2
(U8)
DDC
EPROM
24C21A
(U5)
Serial
EEPROM
24C16
(U17)
MPU
(U15)
MTV230P
Serial
EEPROM
24C16
(U9)
JP2
TO
INVERTER
JP3
SWITCH MODE
POWER SUPPLY
19” LCD
PANEL
SW BOARD
DPWBN5418T8----
INVERTER
RUNTP5392T8----
CON1
CON4
5CON
CON2
CON3
JP7
X1
OSC
PLL
U12
AUDIO BOARD
DPWBN5417T8----
ViewSonic Corporation
5
Confidential – Do Not Copy
V
G900b-1