Rev. A Troubleshooting 4-3
TM-U200 Series (Type A/AM) Technical Manual
Confidential
(See Replacing the fuse in Chapter 5)
1
Connect power supply cable properly.
Replace external power supply.
Replace Fuse F1
Replace main PCB
OK?
OK?
OK?
Is power supply
cable connected
properly?
Does external power
supply have proper output
voltage rating? (approximately
+40 V in no-load
condition)
Has fuse F1 on
main PCB blown?
End
End
End
End
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
1
POWER LED does not light
Yes
Make sure main PCB does not
have any damage such as burns.