Dead machine service check

CAUTION: Check the AC line voltage. The voltage should be within the following limits:

100 V ac (volts alternating current)-127 V ac for the 110 V printer

200 V ac-240 V ac for the 220 V printer

FRU

Action

Unplug the printer. Remove the LVPS/HVPS, and check the fuses for continuity.

 

If open, then replace the LVPS/HVPS.

 

 

 

If not open, then check the switch continuity across its conductors with the switch on.

 

 

Turn the switch off. Plug the AC line into the LVPS/HVPS and switch unit on.

LVPS/HVPS

Note: Voltages are exposed at several places on the board. Do these verifications, and

then unplug the AC cord from the power supply:

 

 

 

 

 

 

 

 

 

Pins

Voltage

 

 

 

 

 

 

 

 

 

 

CN201-6, 17,

+24 V dc

 

 

 

 

19

 

 

 

 

 

 

 

 

 

 

 

CN201-10, 12,

Ground

 

 

 

 

14, 16, 18

 

 

 

 

 

 

 

 

 

 

 

CN201-1,3, 5,

+5 V dc

 

 

 

 

11,13, 15

 

 

 

 

 

 

 

 

If voltages are not correct, then replace the LVPS/HVPS.

If voltages are correct, then check the controller board. See “Controller board service check” on page 2-22.

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Dell 2330dn service manual Dead machine service check