
iv
CHAPTER 4 LOCATING THE PROBLEM ................................. 43
General checkout guidelines........................................................................43
Cash drawer checkout .................................................................................43
LCD symptoms.............................................................................................44
Touch screen symptoms ..............................................................................45
Power symptoms..........................................................................................45
Network symptoms.......................................................................................45
USB symptoms ............................................................................................46
Peripheral-device symptoms........................................................................46
Boot symptoms ............................................................................................46
Mainboard jumper ........................................................................................47
Mainboard connectors..................................................................................49
Inverter connectors ......................................................................................49
CHAPTER 5 REPLACING FIELD REPLACEABLE UNITS (FRUs)
..................................................................................................... 51
Safety and precautions ................................................................................51
Before you begin..........................................................................................52
Replacing parts ............................................................................................52
HDD .............................................................................................................53
IO Panel Cover.............................................................................................54
Stand Base Back Cover...............................................................................54
Stand Base...................................................................................................55
Back Cover...................................................................................................56
Speaker........................................................................................................57
Power Button................................................................................................58
COM4 port and PS/2 Port ............................................................................58
I/O Shield .....................................................................................................59
Memory ........................................................................................................59
Battery..........................................................................................................60
Mainboard ....................................................................................................60
Inverter.........................................................................................................61
Panel Bracket...............................................................................................62
Waterproof Seal, Touch Panel, Touch Cover, LCD Panel ............................62
APPENDIX PART LIST AND SPECIFICATION........................... 63
Part list .........................................................................................................65
Specications...............................................................................................66