Chapter 5 - Troubleshooting - Mitsubishi Electric Digital Light Processing WD-52525 Technical Training Manual

Troubleshooting in V26 models is down to major com-
ponents only. The major components are shown in Fig-
ure 5-1.The largest major components are the:
• Chassis
• Light Engine
• Lamp Ballast
• Hard Drive Disk (V26++ Only)
The Chassis is usually the problem, rather than the Light
Engine or Lamp Ballast.
Small Peripheral Components Include:
• 5 Cooling Fans
Chapter 5
Troubleshooting
The Lamp Cartridge is a user replaceable item. No
Service Adjustments are required unless the Chassis or
Light Engine are replaced.
5-1
• Memory Card Reader
• IR Receiver
• Speaker PWBs
• Control PWB
• Front PWB
• Lamp & Filter Cover Switches
• DMD Thermal Sensor