Acer EM250 사용자 설명서

Chapter 4

131

3G Function Test Failure

If the 3G function test fails, perform the following actions one at a time to correct the problem. Do not replace 
non-defective FRUs:

Start

Check 3G

antenna to 

3G card

Re-assemble 

the antenna to 

3G card

OK

NG

Check 

antenna

OK

Swap The 

antenna

OK

NG

Swap M/B

Check 3G

card

OK

Swap the 3G

card

OK

NG