Service manual

9. Block Diagram
JP7
(DB15)
COMPUTER
GRAPHICS
U7 Realtek
RTD2023
SERIAL
EEPROM
MPU
U5
MTV512MV
INTERFACE BOARD ( DPWBN5625T89-H- )
JP1
To Inverter &
DC input
5V
,
12V
POWER SUPPLY
AC Input
90-240V
50/60Hz
19” LCD
PANEL
3.3V
5V
SW BOARD
DPWBN5720T8----
J
P
6
SCALER
Adapter & Inverter
RUNTP5642T8----
CON10
C
O
N
N
E
C
T
O
R
U6
EEPROM
24C16
Y1
OSC
JP9
30 PIN
LVDS CABLE
CON103,CON104
CON105,CON106
Y2
OSC
CON001
DDC
EEPROM
2.5
V
Backlight
control
J
P
4
Backlight
control
DC output
+5V & +12V
44
ViewSonic Corporation Confidential
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Do Not Copy Q9-1_Q9b-1