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7. Cautions when removing the power unit (BALLAST)
When removing the cable (CNBAR) connected to Power Unit (BALLAST), there is danger of damaging the
small PWB connecting cables.
8. Replacing the IRIS unit assembly
• The IRIS unit assembly is so delicate. You should handle it with special care in replacing or maintaining it.
If you drop a new IRIS unit assembly, never use it for replacement.
• Be careful not to injure your fingers and hands on the edge of the wing and wing cover of the IRIS unit
assembly.
Be sure to hold the shaded portions of IRIS UNIT assembly when dealing with it. Do NOT hold or touch any
other portions (frame, motor or movable parts etc.) because their original shape might be changed easily.
Iris unit assembly
9. Replacing the DC fan (lamp)
Be sure to do this operation, before replacing the DC fan (lamp).
1). Preparation
Please check there are all of the necessary parts.
DC fan (lamp) ......... 1pcs, Fan shade ......... 1pcs
Note: The DC fan (lamp) and the fan shade are two separate service parts. Therefore never fail to order
each of parts.
2) How to stick the fan shade
Separate the fan shade from its base, and stick the fan shade to the center portion on the intake side of
the DC fan (lamp) as shown below carefully. Incorrect operations such as might cause decline of fan a
noise and /or cooling performance.
View from the intake side of DC fan (lamp)
• If you drop a new DC fan (lamp), never use it for replacement.
PJ-TX300(C11H2)
Power Unit (BALLAST)
HB
Hold these
portion only.
CAUTION:
Wing and wing cover
Fan shade
CN2
CN1
Disconnect the CNBAR from connector CN2,
while pressing the sub-board
(to prevent the stress on the sub-board).
CAUTION
CAUTION
38
CNBAR
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