Legamaster PTX-8500 UHD, Руководство по обслуживанию

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Service Manual: PTX8500 UHD
D53 Image retention LCM replace
D23 Vertical line defect LCM replace
D24 Horizontal line defect 1. Check video source and cable connection. LCM replace
D43
No backlight ( an side
backlight has failed) 1. Check PSU
2. Check Panel
Swap PSU. Swap LCM
T01 No Touch 1. Check USB Cable connection Swap Touch
T02 Touch is not accurate 1. Check Screen resolution Touch calibration
T03 Not Multi-Touch
1. Check Operating Systems
2. Check Touch driver
Install Touch driver
N500 NDF (No defect found) N/A
Function test
Burning test 4 hours
K01 No 4K2K output 1. Check OSD setting
Check OSD->Adv. Settings->EDID
Setup->Select 4Kx2K