Psion Workabout MX, Service Manual

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Confidential - PSION INDUSTRIAL PLC
Workabout MX Service Manual
Version 1.0 5
Fault Cause Cure
No Bar Code
communications
possible. 1 Damaged expansion
FFC.
2 Warped Connector
Block Arm.
3 Loose ZIF connector.
4 Door switch on Main
PCB damaged.
1 Replace Drawer Assembly.
2 Dismantle machine, remove and
replace Connector Block.
3 Remove outer case of machine,
relocate Expansion FFC and close ZIF.
4 Follow Dismantling the Workabout to
remove and replace Main PCB. Return
faulty PCB to Psion.
Outer case/
keymat/window
damaged. User damage. Remove the outer case assembly and
replace. Make sure the labels on the new
case match the labels on the old case.
Drawer cannot be
closed. 1 Drawer derailed.
2 Mechanical
interference.
3 Drawer lock damaged.
1 Refit Drawer.
2 Remove case from machine. Check for
obstructions and interference caused by
misplaced/ill-fitting batteries, battery
contacts, SSDs, FFCs, PCBs, seals,
etc.
3 Replace outer case.
Drawer not
opening when
release button is
pressed. 1 Drawer derailed.
2 Release button
damaged.
3 Mechanical
interference.
4 Drawer Spring
missing.
1 Refit Drawer.
2 Replace outer case or Drawer
Assembly.
3 Remove case from machine. Check for
obstructions and interference caused by
misplaced/ill-fitting batteries, battery
contacts, SSDs, FFCs, PCBs, seals,
etc.
4 Replace Drawer Spring.
Drawer will not
stay closed. 1 Mechanical
interference.
2 Drawer lock damaged.
1 Remove case from machine. Check for
obstructions and interference caused by
misplaced/ill-fitting batteries, battery
contacts, SSDs, FFCs, PCBs, seals,
etc.
2 Replace outer case or Drawer
Assembly.
Alphanumeric
keys not working. 1 Damaged keymat.
2 Defective Main PCB. 1 Replace case.
2 Replace Main PCB.
Nicad pack fails
to charge. 1 Central contact not
connecting.
2 Battery contacts
damaged.
3 Nicad pack damaged.
4 Charger problems.
1 Replace Drawer Assembly.
2 Replace Drawer Assembly.
3 Replace Nicad pack.
4 Consult
Docking Station Service Manual
Psion p/no: 6104-0004-01.
Machine switches
off when
operated. Main Power FFC
damaged. Replace Drawer Assembly.
Backlight does
not work. 1 Backlight damaged.
2 Main PCB problem. 1 Replace backlight.
2 Replace Main PCB.
Backlight is dim. Backlight worn.
Approximate time to 50%
brightness is 500 hours. Replace backlight.