Proface APL3000B - Node Box PC - Manual (Page 104)

Chapter 4 Maintenance
4-7
Preparation
Please have the following ready beforehand.
• Replacement backlight
• One pair of clean (preferably new) cotton gloves.
• Phillips screwdriver (no.2)
4.5.1 PS-3710A Series
Be sure to wear gloves when exchanging the backlight, and follow the following procedures.
(1) Turn OFF the power switch of the PS-A and remove the power cable.
(2) Remove the PS-A unit from the equipment (panel etc.) to which the unit has been incorporated, and
place the PS-A unit on a flat, level surface facing the display face downwards.
(3) Remove the PS-A’s rear cover.
(4) Detach the FDD unit cable and power cable from the connector, and remove the two attachment screws
to detach the FDD unit.
• The appropriate replacement backlight depends on your PS-A model.
PS-A Replacement Backlight
PS3710A-T41,PS3710-T41-24V,
PS3711A-T41,PS3711-T41-24V
CA3-BLU15-01
PS3710A-T42,PS3710-T42-24V,
PS3711A-T42,PS3711-T42-24V
CA7-BLU15-01
• Be sure to perform the backlight changeover on a flat, level surface. This will
prevent damage to the PS-A unit and the accidental cutting of any of its power
cord.
• Be sure to protect the display surface to prevent damage during the operations.
SEE 3.2.1 Removal/Attachment the Rear Cover (page 3-6)
Attachment Screw
Power Connector
FDD unit Cable
Attachment Screw
Power Cable
Rear of FDD Drive
FDD Drive Connector