ViewSonic VP720B Service Manual - Page 34

Step 6: Download program finish, Trouble shooting - problems

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Step 6: Download program finish Pressing the OK Button to finish the download program procedure. Trouble shooting: If you find the status like the follow picture. Please check the following item. a. The connecting status between PC and ISP board. b. The connecting status between ISP status and Monitor. Turn off the power of monitor (AC plug off ) and disconnect the D-Sub connector . To connect the D-Sub connector and then turn on the power of monitor.(AC plug on) If the test result shows "passed," it means the connection is well. If not (failed), it means the connection has problems. Then you need to check the setup procedure or reboot the PC, or simply use another PC to do the firmware upgrade. ViewSonic Corporation Confidential - Do Not Copy 31 VP720-1_VP720b-1

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Step 6: Download program finish
Pressing the OK Button to finish the download program procedure.
Trouble shooting:
If you find the status like the follow picture. Please check the following item.
a. The connecting status between PC and ISP board.
b. The connecting status between ISP status and Monitor.
Turn off the power of monitor (AC plug off ) and disconnect the D-Sub connector . To connect the
D-Sub connector and then turn on the power of monitor.(AC plug on)
If the test result shows “passed,” it means the connection is well.
If not (failed), it means
the connection has problems.
Then you need to check the setup procedure or reboot the PC, or
simply use another PC to do the firmware upgrade.
ViewSonic Corporation
Confidential – Do Not Copy
VP720-1_VP720b-1
31