ViewSonic VX2262WM Service Manual - Page 17

Circuit Description - monitor

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4. Circuit Description 4.1 LCD MONITOR DESCRIPTION The LCD MONITOR will contain a Main Board, an Power Board, Key Board which house the flat panel control logic, brightness control logic and DDC. Monitor Block Diagram CCFL Drive. Flat Panel and CCFL backlight Power Board (Include: adapter, inverter) Main Board Key Board RS232 Connector For white balance adjustment in factory mode Video signal, DDC AC-IN 100V-240V HOST Computer 4.2 MAIN BOARD BLOCK FUNCTION DESCRIPTION The main board contains panel control logic, brightness control logic, DDC and DC convert DC circuit and so on. PWPC board R G B H V SDA SCL ViewSonic Corporation TSUMO58CWHL-LF Flash memory OSC - 17 - Confidential - Do Not Cop Backlight and Panel Keyboard VX2262wm/wmp

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- 17 –
ViewSonic Corporation
Confidential - Do Not Cop
VX2262wm/wmp
4. Circuit Description
4.1
LCD MONITOR DESCRIPTION
The LCD MONITOR will contain a Main Board, an Power Board, Key Board which
house the flat panel control logic, brightness control logic and DDC.
4.2
MAIN BOARD BLOCK FUNCTION DESCRIPTION
The main board contains panel control logic, brightness control logic, DDC and DC
convert DC circuit and so on.
Power Board
(Include: adapter, inverter)
Flat Panel and
CCFL backlight
Main Board
Key Board
RS232 Connector
For white balance
adjustment in factory
mode
HOST Computer
CCFL Drive.
AC-IN
100V-240V
Video signal, DDC
Monitor Block Diagram
R
G
B
H
V
SDA
SCL
OSC
Backlight and Panel
PWPC board
Flash memory
Keyboard
TSUMO58CWHL-LF