Parts Replacement In Light Engine - Toshiba 52HMX84 Service Manual

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.
FAN for cooling heatsink (SK07)
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.
Ballast power unit (SK03)

PARTS REPLACEMENT IN LIGHT ENGINE

FAN for cooling lamp (SK06)
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.
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.
- 17 -