Power Source Problems (continued)

C

 

 

Yes

Can you

No

 

 

 

substitute known

 

 

 

 

 

 

 

 

 

good ac adapter?

 

 

Yes

See steady

No

 

 

 

 

power light?

 

 

 

 

 

 

 

Yes

Can you

No

 

 

 

substitute known

 

 

 

 

 

Done: Original ac

 

 

good OB?

 

adapter or cable

 

 

 

 

 

bad

 

 

 

 

Yes

Ac adapter

No

 

warm?

 

Yes

See steady

No

 

power light?

 

 

 

 

Done: Suspect

 

original OB base

Done: Suspect bad

unit bad

ac adapter or cable

17