Sam zhou
LED screen factory after sales engineer
YAHAM & NITXEON Indoor modules P1.875 for quick repair at the Las Vegas
YAHAM D6 LED SCREEN MODUEL QUICK REPAIR PROCESS
YAHAM & NITXEON D10 LED module Fast Repair
How to solve the partial black screen problem
LED Module Priciple and How to repaire LED lamps
China's countryside and mountains
LED screen installtion（YAHAM SHOW ROOM）
VNT Touring product process in workshop.
How to repair led module with GOB(Glue On Board)
Functional VN series rent led screen
How to repair LED module (Outdoor P3.9 MM SMD)
XR Studio in factory
How to repair led module with out PCB pad
How to make configuration file for regular module
Dicolor Touch 135’ P1.5 meeting COB screen
Dicolor Fine Pix pitch installtion in 3 min on the wall
LED Screen Module Repair&Dicolor&DEA&NovaStar&NovaLCT
Dicolor&Novastar The Status of indicator light of receiving card .
Dicolor и Novastar — как вручную откалибровать экран (шкаф) с помощью novalct (на английском языке)
Dicolor&Novastar(DEA)Make RCFGX by Novastar (How to create configuration file by Novalct) LED Screen
DEA STAR
DEA in Russia . We are ready
Dicolor Training in Peru
LED Lamp ChangeOutdoor P4 8
How to repair LED module (indoor P3.9)
install video2
SMD LED change
DIP Lamps exchange;