AUDIO IN
SPEAKER
AC Outlet
Adaptor
Main Board
Inverter
Control
Brightness
TFT
LCD
Panel
Digital
Signal
Analog
Signal
Video Card
12V
12V
VAC
Volume control & Mute on/off
Speaker
Audio in
DC/DC
Converter
+5V
VLCD
+3.3V
+12V
Clamp
Video Gain
Video Level
ADC
MUX
Scaling
Engine
Sync detect
Phase calibration
OSD Generator
OSD overlay
MUX
MCU port
Dithering
Output control
Output
LCD
Panel
R, G, B
Sync
Buffer
U6
SYNCMOS
SM5964
MCU
HS
VS
HS
VS
U1 MRT
MASCOT
R, G, B offset
Gamma control
Audio amp.
4. Electronic Circuit Description
4-1 Block Diagram
ViewSonic Corporation
7
Confidential
-
-
Do
Not Copy
VG1
5
0m
/mb
Summary of Contents for VG150m-1
Page 9: ...3 Disassembly Assembly Instructions ViewSonic Corporation 6 Confidential Do Not Copy VG150m mb...
Page 22: ...FIG3 8 Mascot function block ViewSonic Corporation 19 Confidential Do Not Copy VG150m mb...
Page 25: ...FIG4 2 MPU Control Block ViewSonic Corporation 22 Confidential Do Not Copy VG150m mb...
Page 37: ...ViewSonic Corporation 34 Confidential Do Not Copy VG150m mb ViewSonic Corporation...
Page 38: ...ViewSonic Corporation 35 Confidential Do Not Copy VG150m mb ViewSonic Corporation...
Page 39: ...ViewSonic Corporation 36 Confidential Do Not Copy VG150m mb ViewSonic Corporation...
Page 40: ...8 PCB Layout ViewSonic Corporation 37 Confidential Do Not Copy VG150m mb...
Page 41: ...ViewSonic Corporation 38 Confidential Do Not Copy VG150m mb...
Page 42: ...ViewSonic Corporation 39 Confidential Do Not Copy VG150m mb...
Page 43: ...ViewSonic Corporation 40 Confidential Do Not Copy VG150m mb...
Page 44: ...ViewSonic Corporation 41 Confidential Do Not Copy VG150m mb...