- 17 -
PARTS REPLACEMENT IN LIGHT ENGINE
4.
Replacement of Sensor Unit (Photo Detector
Substrate) (SK04) & Motor Unit (Motor Substrate)
(SK05)
4-1. Remove 2 screws fixing a color wheel cover and UV
filter box.
1.
FAN Replacement (SK06 and SK07)
1-1. For replacing FAN for cooling heatsink (SK07),
remove 2 screws.
For replacing FAN for cooling lamp (SK06), detach
FAN hood located on LIGHT ENGINE by removing 2
screws and then remove 4 screws.
2.
Replacement of Ballast Power Unit (SK03)
2-1. Remove lamp unit by loosening 2 screws.
(Refer to pages 12 to 14)
2-2. Remove 2 screws holding chassis of ballast power unit
(SK03) to detach the chassis.
Note:
Treat with enough care so as not to damage the
cable for lamp power.
2-3. Detach the ballast power unit by removing 4 substrate
stoppers that hold the ballast power unit.
CAUTION
Precautions When Exchanging Ballast Power Units
When you install a new ballast power unit, install it
while pushing the four corners of the board directly.
Installation while pressing the heatsink may cause
the pattern crack.
3.
Replacement of Temperature Breaker (SK08)
3-1. Remove 2 screws for replacing the temperature breaker
(SK08) for lamp.
FAN for cooling lamp (SK06)
FAN for cooling heatsink (SK07)
Ballast power unit (SK03)
Summary of Contents for 52HMX84 - Cinema Series HD
Page 33: ...OPSS SCALER BOARD 52HMX84 PD1870D1 62HMX84 PD1870E1 UD02 BOTTOM FOIL SIDE 37 38 ...
Page 38: ... 44 CIRCUIT BLOCK DIAGRAM ...
Page 40: ......
Page 44: ...CIRCUIT BLOCK DIAGRAM ...
Page 97: ......
