iv
CHAPTER 4 LOCATING THE PROBLEM .................................. 45
General checkout guidelines ........................................................................45
Cash drawer checkout .................................................................................45
LCD symptoms .............................................................................................46
Touch screen symptoms ..............................................................................46
Power symptoms..........................................................................................47
Network symptoms ....................................................................................... 47
USB symptoms ............................................................................................48
Peripheral-device symptoms ........................................................................48
Boot symptoms ............................................................................................48
Mainboard jumper ........................................................................................49
Mainboard connectors..................................................................................51
CHAPTER 5 REPLACING FIELD REPLACEABLE UNITS (FRUs)
..................................................................................................... 53
Safety and precautions ................................................................................53
Before you begin ..........................................................................................54
Replacing parts ............................................................................................54
HDD .............................................................................................................55
IO Panel Cover.............................................................................................56
Stand Base Back Cover ...............................................................................56
Stand Base...................................................................................................57
Back Cover...................................................................................................58
Speaker ........................................................................................................59
Power Button................................................................................................59
COM4 port and PS/2 Port ............................................................................60
I/O Shield .....................................................................................................60
Memory ........................................................................................................61
Battery ..........................................................................................................61
Mainboard ....................................................................................................62
Panel Bracket ...............................................................................................62
Touch Panel, Front Bezel, LCD Panel..........................................................63
APPENDIX PART LIST AND SPECIFICATION ........................... 65
Part list .........................................................................................................66
Specications ...............................................................................................67