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Troubleshooting
AWG2005 Service Manual
6Ć61
Use this procedure to
troubleshoot the power
supply module.
Is the PRINCIPAL
POWER SWITCH in
the on (in) position?
Switch the PRINCIPAL
POWER SWITCH to the
on (in) position?
Is
line fuse
ok?
Switch the PRINCIPAL
POWER SWITCH to the
off (out) position. Replace
the fuse. Switch the
PRINCIPAL POWER
SWITCH to the on (in)
position (see Figure 6Ć28).
Does the
fuse blow
again?
Disconnect the cable from
J1 on the power supply
module (see Figure 6Ć29).
Replace the fuse.
Does
the fuse
blow?
Replace the AUX
Power board
(page 6Ć39) and the
cables going to it.
Is there
90-250 VAC at J1
pins 1 and 3 on the
power supply module
(see Fig.Ă6Ć29)?
Is there
90-250 VAC
at the AC Inlet?
Is there
power at the
line cord and
outlet?
Fix the power problem.
Replace the AC Inlet (page 6Ć39).
Replace the AUX Power board (page 6Ć39).
Replace the power supply module (page 6Ć38).
Replace the power
supply module.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
NoNo
Figure 6Ć27:ăTroubleshooting Procedure 1 Ċ Power Supply Module