Hotline:+86-755-29567519

Phones:+86-13510211126(Mr. Fu)
Fax:+86-755-29066570
Address:Zhongguanda Industrial Park, Gongming Street, Guangming District, Shenzhen, China.

Are you here:HomeNews > FAQFAQ

What are the common LED display troubleshooting methods?

Time:2014-09-10Source:This siteViews:737

a) Please check if the power supply system of the screen/lamps is OK
 
b) Check the LED manager setup.
 
c) Please make sure that the power supply, frame controller panel controller, LED boards,
   scan cards are all powered on normally, and check if the status lamps are correct.
 
d) Please measure the voltage of LED board power connector and see if it is 5V±0.3;
 
e) Check the cables connection of LED boards accordingly
 
(1)If the cables are connected according to indicated direction on LED boards.  
       
(2)If the scan cards are connected in accordance with LED boards cascaded direction.
   
(3)Please check if the 1st pin of 16P flat cables is corresponding to LED boards.             
   Note: the 1st pin of LED board is identified by “1”, “△”or“□ ”.                      
 
(4)Please make sure that 16P flat cables are connected to LED boards input connector.  
   Note: LED boards input connector will be at the right side of ZQL9705X IC.  
        
(5)Check if the status lamps of scan cards/data distributor are OK, when the red is off and green is on, it is OK. 
 
(6)Please check if the cables connection of scan cards /data distributor is correct.
 
(7)Please check if the status lamps of control system are correct or not. 
 
(8)Please check if the cables connection of control system is correct or not.
 
(9)Please check if the DVI cable and serial port cable is correctly connected or not.

Phones:+86-13510211126   Tel:+86-755-29567519   Fax:+86-755-29066570   E-mail:inquiry#ryham.cn(replace # with @ as email.)
Contact Person:Mr. Fu  Address:Zhongguanda Industrial Park, Gongming Street, Guangming District, Shenzhen, China.
Copyright © Shenzhen Ryham Optoelectronics., Co., Limited Reproduction without permission   Designed by:ZhuoYun Online
Main products: Taxi Roof SignsTaxi LED DisplayTaxi Top led displayLED display screen