Service manual

4-1 Equipment Needed
- VP171 Monitor
- Philips Screw Driver #101 and #107
- Electronic Hex Nut M5mm
- PC(Personal Computer) with SXGA resolution / Pattern Generator
4-2 Main Procedure
This chapter provides technicians and people who have an electronic background a pri-
mary description about maintaining the product. Moreover, you can get the appropriate opera-
tion to solve some complicated problems of component repairing and professional problems.
Start
Power-on
Power LED ok ?
A. Power Circuit
Troubleshooting
Yes
No
Is display
performance ok ?
Yes
No
Is function
adjustment ok ?
No
End
B. Performance
Troubleshooting
C. Control Function
Troubleshooting
Yes
ViewSonic Corporation
25
Confidential – Do Not Copy
VP171/b/s
4. Troubleshooting Procedure