Table of Contents
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CHAPTER 4 LOCATING THE PROBLEM .................................. 47
General checkout guidelines ........................................................................47
LCD symptoms .............................................................................................48
Touch screen symptoms ..............................................................................48
Power symptoms..........................................................................................48
Network symptoms .......................................................................................49
USB symptoms ............................................................................................49
Peripheral-device symptoms ........................................................................49
Boot symptoms ............................................................................................49
Mainboard jumper ........................................................................................50
Mainboard connectors..................................................................................51
Power Board jumpers...................................................................................52
Power Board connectors ..............................................................................53
Inverter connectors ......................................................................................54
..................................................................................................... 55
Safety and precautions ................................................................................55
Before you begin ..........................................................................................56
Replacing parts ............................................................................................56
MSR .............................................................................................................57
Customer Display .........................................................................................57
HDD .............................................................................................................58
Front Cover ..................................................................................................60
Heat Sink (optional)......................................................................................62
Speaker Bracket...........................................................................................63
Speaker ........................................................................................................63
Power Button................................................................................................63
Memory ........................................................................................................64
Battery ..........................................................................................................64
COM Port .....................................................................................................64
Mainboard Board..........................................................................................65
Power Board ................................................................................................66
I/O Shield .....................................................................................................66
Inverter .........................................................................................................67
Panel Bracket ...............................................................................................68
Waterproof Seal, Touch Panel, Touch Cover, LCD Panel ............................68
APPENDIX PART LIST AND SPECIFICATION ........................... 69
Part list for PT-5900 .....................................................................................71
Specifications ...............................................................................................72
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