![background image](http://html.mh-extra.com/html/viewsonic/vlcds25973-4w/vlcds25973-4w_service-manual_1021324045.webp)
This chapter describes some primary methods of repairing and maintaining this product,
and is intended for technicians and others who have a background in electronics.
1.
Equipment Needed
- VP912 Monitor
- Philips Screw Driver #101 and #107
- Electronic Hex Nut M5 mm
- PC (Personal Computer) with SXGA resolution and sound card or a Pattern Generator
2.Main Procedure
Note: Before troubleshooting, first execute "All Mode Reset" to restore the monitor's
settings to the factory defaults.
Power-on
Start
Power LCD ok ?
A.
Power circuit
Troubleshooting
No
B.
Performance
Troubleshooting
C.
Function
Troubleshooting
No
Yes
No
Is function adjustment OK ?
Yes
Yes
Is display performance ok?
End
6. Troubleshooting Flow Chart
42
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VP912s/b
Summary of Contents for VLCDS25973-4W
Page 30: ...27 ViewSonic Corporation Confidential Do Not Copy VP912s b ...
Page 31: ...28 ViewSonic Corporation Confidential Do Not Copy VP912s b ...
Page 32: ...29 ViewSonic Corporation Confidential Do Not Copy VP912s b ...
Page 81: ...11 PCB Layout Diagrams 78 ViewSonic Corporation Confidential Do Not Copy VP912s b ...