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MODELS: WD-60C9 / WD-65C9 / WD-73C9 / WD-60737 / WD-65737 / WD-73737 / WD-82737
WD-65837 / WD-73837 / WD-82837
COLOR WHEEL REPLACEMENT
SYMPTOMS
• Noise (Bad Motor Bearing)
• Solarized Picture NOTE: Before replacing the Color Wheel, check the Index Delay Adjustment.
COLOR WHEEL REPLACEMENT PROCEDURE
CAUTION: This procedure should be performed in a dust free environment.
Any dust entering into the color wheel chamber can cause abnormalities in the picture.
1 ) Remove Engine Assembly and cover the projection lens to protect it from scratches.
2 ) Remove the TOP DUCT.
3 ) Remove the 2 screws (A) shown in Figure 1.
4) Disconnect the 2 connectors J6 & J7 shown in Figure 1.
5 ) Lift the top cover off of the color wheel chamber .
Figure 1: Color Wheel Cover and Connectors
6 ) Remove 3 screws (B) shown in Figure 2.
7 ) Use the Handle to lift the Color Wheel from the chamber .
8 ) For installation, reverse the procedure above.
CAUTION: Use care to prevent scratching the Color Wheel.
NOTE: Do not twist the ribbon cable to J6 (the shiny silver
contacts must be facing up).
9 ) After re-assembly , perform the Index Delay Adjustment de-
scribed in the Service Adjustments section.
Figur e 2: Color Wheel
COLOR
WHEEL
HANDLE
B
A
COVER
COLOR WHEEL
J6 J7