Panasonic PT-LX270U / PT-LX270E / PT-LX270EA / PT-LX300U / PT-LX300E / PT-LX300EA Service Manual ▷ View online
PT-LX270 / PT-LX300 series
2-11
2-15 Disassemble Color
Wheel Module
1. Unscrew 2 screws (as red circle) to
disassemble the Color Wheel Module.
2. Unscrew 1 screw (as blue circle) to
2. Unscrew 1 screw (as blue circle) to
disassemble the Photo Sensor Board
from the Color Wheel Module.
Note: - Avoid touching the glass parts of color
wheel.
Photo Sensor Board
2-16 Disassemble DMD Chip
and DMD Board
1. Unscrew 2 screws (as green circle) to
disassemble the Heat Sink and DMD
Module.
2. Tear off 2 DMD poron mylars (as green
2. Tear off 2 DMD poron mylars (as green
square).
3. Rotate the screw counterclockwise (as
3. Rotate the screw counterclockwise (as
yellow circle) to disassemble the DMD
Board and DMD Chip.
Note: - Avoid touching the DMD Chip when you
disassemble it.
- Found that the DMD Chip has scrapes
or dirt use of a magnifying glass, you
may use an electrostatic ion gun to
clean it.
- Pay attention to the fixed position when
assembling the DMD Chip.
PT-LX270 / PT-LX300 series
2-12
2-17 Disassemble Focus
Ring
1. Unscrew 3 screws (as blue circle) to
disassemble the Focus Ring.
Focus Ring
2-18 Disassemble LVPS
Module
1. Unscrew 6 screws (as red circle).
2. Unplug 3 connectors (as yellow square).
3. Disassemble the LVPS Module, AC
2. Unplug 3 connectors (as yellow square).
3. Disassemble the LVPS Module, AC
Inlet Bracket and LVPS to MB cable.
AC Inlet Bracket
LVPS to MB cable
PT-LX270 / PT-LX300 series
2-13
Note: when you assemble the unit must do
actions as below:
Use clamp to fix the Lamp Driver to LVPS
Use clamp to fix the Lamp Driver to LVPS
cable
(as orange square)
.
2-19 Disassemble Lamp Driver
and Interlock Switch
1. Unscrew 2 screws (as red circle) to
disassemble the Lamp Driver Module.
PT-LX270 / PT-LX300 series
2-14
Interlock Switch
Lamp Driver
Lamp Driver
Holder
2.Separate Interlock Switch from Lamp
Driver.
3. Unscrew 4 screws (as yellow circle).
4. Unplug 3 connectors (as blue square).
5. Disassemble the Lamp Driver,Lamp
4. Unplug 3 connectors (as blue square).
5. Disassemble the Lamp Driver,Lamp
Driver Holder and Lamp to lamp driver
cable.
Lamp to lamp driver
cable
cable
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