
iv
Using the touch screen calibrator ...................................................................................................... 46
Installing the MT 7 ...........................................................................................................................................46
Calibrating the touchscreen ............................................................................................................................48
Chapter 4
Locating the Problem .....................................................................................................49
General checkout guidelines ............................................................................................................. 49
Cash drawer checkout ....................................................................................................................... 49
LCD symptoms ................................................................................................................................. 51
Touch screen symptoms .................................................................................................................... 51
Power symptoms ............................................................................................................................... 52
Network symptoms ........................................................................................................................... 52
USB symptoms ................................................................................................................................. 53
Boot symptoms ................................................................................................................................. 53
Peripheral-device symptoms ............................................................................................................. 53
Motherboard and PCB board jumper settings ................................................................................... 54
Setting a jumper ...............................................................................................................................................54
Motherboard jumpers and connectors .............................................................................................................55
Chapter 5
Replacing Field Replaceable Units (FRUs) ...................................................................57
Safety and precautions ...................................................................................................................... 57
Before you begin ............................................................................................................................... 58
Replacing Parts ................................................................................................................................. 58
Rear base cover ...............................................................................................................................................59
Front base cover ..............................................................................................................................................60
Front USB PCB and bracket ...........................................................................................................................61
Customer display .............................................................................................................................................62
HDD .................................................................................................................................................................63
I/O PCB ...........................................................................................................................................................64
CF card PCB ...................................................................................................................................................65
CF card bracket ...............................................................................................................................................66
CPU and heatsink ............................................................................................................................................67
Inverter shield ..................................................................................................................................................68
Inverter ............................................................................................................................................................69
Memory ............................................................................................................................................................70
Video PCB .......................................................................................................................................................71
Touch panel .....................................................................................................................................................72
Touch control PCB ..........................................................................................................................................74
Mainboard .......................................................................................................................................................75
Front display cover ..........................................................................................................................................76
LCD panel ........................................................................................................................................................77
Appendix:
Optional Components, Exploded Diagram, and Parts List ............................................79
Optional Components - Installing the drivers ...................................................................................79
Magnetic stripe reader (MSR) .........................................................................................................................79
Fingerprint reader ...........................................................................................................................................81
i-Button reader .................................................................................................................................................84
Keyboard ..........................................................................................................................................................89
Optional Components - Removing/replacing the module ................................................................ 91
Main parts ......................................................................................................................................... 92