Disassembly & Parts Replacement; Important Notes; Back Cover Removal - Mitsubishi Electric WD-73640 Technical Training Manual

CAUTION: Prior to disassembly, remove AC power. Do not re-apply AC power until the set
has been fully re-assembled and inspected for safety as described on page 12.

IMPORTANT NOTES:

1. Disassembly beyond what is shown in this manual is not recommended.
2. The following assemblies are replacement items that should not be disassembled:

Electrical Chassis—Replacement is supplied complete with PWBs. However PWBs can be replaced
individually.

Light Source Unit—Replacement is supplied complete with fans and ducts. However Exhaust Fans can
be replaced individually.

Optical Engine—Replacement is supplied complete with the DMD fan. However the DMD Fan can be
replaced individually.
3. Do not allow the rear of the screen to come into contact with any other surface including cleaning cloths or
fingers. Remove dust or other debris by blowing with a dry air source.

Back Cover Removal

1. Remove screws (A) from the back cover (Star Head/TORX
2. Remove the back cover from the TV.
DISASSEMBLY & PARTS REPLACEMENT
A
A
®
T20).
A
A
A
14
A