![background image](http://html1.mh-extra.com/html/viewsonic/va502mb-1/va502mb-1_service-manual_1020920024.webp)
C. Adjust SRGB color-temperature
(1). Switch the chroma-7120 to
RGB-Mode
(with press “MODE” button )
(2). Switch the MEM .channel to Channel 10( with up or down arrow on chroma 7120 )
(3). The LCD-indicator on chroma 7120 will show x = 0.313
±
0.03, y = 0.329
±
0.03, Y = 200
±
20 cd/m
2
(4). Adjust the RED of color3 on factory window until chroma 7120 indicator reached the
value R=100
(5). Adjust the GREEN of color3 on factory window until chroma 7120 indicator reached the
value G=100
(6). Adjust the BLUE of color3 on factory window until chroma 7120 indicator reached the
value B=100
(7). Repeat above procedure ( item 4,5,6) until chroma 7120 RGB value meet the tolerance
=100
±
5
E. Press reset key and Turn the Power-button “off to on” to quit from factory mode.
2. Geometry
1).Set cross-hatch pattern and preset timing as timing table listed.
2).Change to each mode in turn and wait for the monitor finish auto-alignment and save
press
before change to next mode.
3).Until all of modes are adjusted, exit OSD menu and press POWER OFF to exit factory mode.
5.4 Factory Defaults
Item Defaults Item
Defaults
Contrast
70%
Volume
50%
(For VA702mb only)
Brightness
100%
Balance
N/A
Color Temperature
6500K
Treble
N/A
Sharpness
0%
Bass
N/A
OSD H. Position
50%
720x400/640x400
720x400
OSD V. Position
50%
640x480@60Hz
720x480@60Hz
640x480@60Hz
OSD Time Out
15 Sec
In SOG and Composite,
720x480@60Hz
640x480@60Hz
N/A
OSD Background
Enabled
In SOG and Composite,
1152x864@75Hz
1152x870@75Hz
N/A
Resolution Notice
Enabled
In SOG and Composite,
1280x768@60/75/85Hz
1024x768@60/75/85Hz
N/A
21
ViewSonic Corporation
Confidential - Do Not Copy
VA502mb-1
Содержание VA502mb-1
Страница 10: ...7 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 13: ...10 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 14: ...11 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 16: ...PIN Descriptions 13 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 18: ...Block Diagram PIN Function 15 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 38: ...5 7 Packing Procedure 35 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 40: ...Picture 3 Picture4 Picture 5 Picture 6 Picture 7 37 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 41: ...Picture 8 Picture 9 Picture 10 Picture11 38 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 42: ...39 ViewSonic Corporation Confidential Do Not Copy VA502mb 1 6 Troubleshooting Flow Chart...
Страница 43: ...7 Block Diagram 40 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 53: ...9 PCB Layout Diagrams MAIN BOARD 50 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 54: ...POWER BOARD 51 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 56: ...53 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 57: ...AUDIO BOARD 54 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 58: ...KEY BOARD 55 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 59: ...10 Exploded Diagram and Exploded Parts List 56 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Страница 61: ...58 ViewSonic Corporation Confidential Do Not Copy VA502mb 1 Packing for Shipping...