Epson PowerLite 5000 Service Manual page 97

EPSON PowerLite 5000 Service Manual
4.2 Before Starting Troubleshooting Procedures
Follow the flowchart shown below when troubleshooting projector problems and proceed to
the pertinent detailed flowchart (given on the next and subsequent pages).
Start
External View
Internal Cable Connectors
Power ON/OFF
Display/Picture Quality
Audio Out
Control Panel
Remote Control
Mouse/COM
Interface Control
Others
Figure 4-1
•
Visually check the exterior. (Check for any damage to the
cover area.)
•
Check internal cable connections except on the CN board
and FR board. (Remove the upper case unit.)
•
Check power on/off and initialization (No signal display).
(Connect power cable and turn on the power.)
•
Check screen display and picture quality. (Connect host
computer, video device, and RGB monitor.)
•
Check audio output to the internal and external speakers.
•
Check button operations on the control panel.
•
Check button operations on the remote control.
•
Check ELP communication functions from the remote control. (ELP
communication kit option is necessary.)
•
Check for noise, overheating, and other problems.
4-2