Technical Support Asus FX505D Keyboard problem

[user10002]

Hello
I have an Asus FX505D
Board: FX505DD REV 2.0
I HAVE THE FOLLOWING PROBLEM , THE PC WORKS , BUT WITH THE KEYBOARD OFF OR ON IT SEEMS THAT THERE IS ALWAYS A KEY PRESSED ,
MEASURING THE TRACKS THEY ARRIVE AT THE ITE, ANY IDEAS HOW TO SOLVE ?

IF YOU CAN SEND THE SCHEME I WOULD THANK YOU,
THANKS
REGARDS

 

[Hosein Asadolahi]

Hello
I have an Asus FX505D
Board: FX505DD REV 2.0
I HAVE THE FOLLOWING PROBLEM , THE PC WORKS , BUT WITH THE KEYBOARD OFF OR ON IT SEEMS THAT THERE IS ALWAYS A KEY PRESSED ,
MEASURING THE TRACKS THEY ARRIVE AT THE ITE, ANY IDEAS HOW TO SOLVE ?

IF YOU CAN SEND THE SCHEME I WOULD THANK YOU,
THANKS
REGARDS

do you test with new keyboard or test keyboard with keyboard tester ???
schematic :

 

[user10002]

hello
i didnt test the keyboard i dont now how , but with no keyboard conected in the windows it seems that a key is always pressed ,

 

[Hosein Asadolahi]

hello
i didnt test the keyboard i dont now how , but with no keyboard conected in the windows it seems that a key is always pressed ,

step by step
1: check connectors and capacitors .
2: check connection line between connector and IO (u3001)
3:change IO with new one

 

[user10002]

step by step
1: check connectors and capacitors .
2: check connection line between connector and IO (u3001)
3:change IO with new one

Hello
i bought a new IO , i will post the result soon
Thank you

 

[user10002]

hello
i put the new i/o but its the same ,
capacitor and connector its fine ,
any ideia ?
regards

 

[Hosein Asadolahi]

hello
i put the new i/o but its the same ,
capacitor and connector its fine ,
any ideia ?
regards

record a video and show the problem