Panasonic PT-LX270U / PT-LX270E / PT-LX270EA / PT-LX300U / PT-LX300E / PT-LX300EA Service Manual ▷ View online
PT-LX270 / PT-LX300 series
2-15
Speaker
2-21 Disassemble Bottom
Shielding
1. Unscrew 3 screws (as red circle) to
disassemble the Bottom Shielding.
2-20 Disassemble Speaker
1. Separate Speaker from Bottom Cover(as
red arrow)
red arrow)
PT-LX270 / PT-LX300 series
2-16
IO Cover
2-22 Disassemble Bottom
Cover Module
1. Unscrew 3 nuts (as red circle) to
remove the rubber adjust foot.
2-23 Disassemble IO Cover
Module
1. Unfasten 2 tenons (as blue square).
2.Remove IO Cover Module.
PT-LX270 / PT-LX300 series
2-17
2-24 Rod Adjustment
1. Environment Adjustment
- The size of the screen is 60''.
- This process should be done at a dark
- The size of the screen is 60''.
- This process should be done at a dark
environment (under 2 Lux).
2. Procedure Adjustment
- Change the screen to "white screen".
- Adjust the screws by using the rod
- Change the screen to "white screen".
- Adjust the screws by using the rod
on the engine module to readjust the
image.
("screw 1" should be adjusted first, and
then "screw 2". Adjust until the yellowish
or bluish parts disappeared.)
3. Abnormal image inspection
- It should not have any abnormal color
- It should not have any abnormal color
at the rim of the image by estimating
through the eyes.
Note: - To avoid over adjusting the rod.
Screw2
Screw1
PT-LX270 / PT-LX300 series
2-18
2-25 Repair Action
Update
Change parts
Main
Board
Firmware
Lamp
Module
Engine
Module
Lamp
Driver Blower
Version Update
v
v
ADC Calibration
v
v
Reset Lamp Hour
v
OSD Reset
v
v
Rod Adjustment
v
Waveform Download
v
Fan Calibration
v
V
v
Note:- After changing parts, please execute the related items as table
show above.
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