Acer AT3220A Technical Information download pdf (Page 54)

48 Chapter 4

AT3220A Troubleshooting Guideline

1. Can not power on

Check Power code

Power code

Plug in?

Replace Power board or Main board

Or IO board or All cable

/

LED Bright?

Replacement Panel

A

Replacement M/B

END

no

LED Bright

Green color ?

Check Remote control

and keypad ?

OK

Replacement Remote control or

IR board or Keypad board

NG

Replacement Cable

Check M/B

no

no

no

LCD Panel

can Display ?

no

Check panel’s

all cable

Replacement M/B

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