This chapter provides technicians and people who have an electronic background a primary
description about maintaining the product. Moreover, you can get the appropriate operation
to solve some complicated problems of component repairing and professional problems.
The Troubleshooing section focus on below items:
1. Video Signal Troubleshooting
2. Operation Function Troubleshooing
3. Power Source Troubleshooting
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ViewSonic Corporation Confidential
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Do Not Copy PJ402D
5. Troubleshooting
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