STEP 600 XTPRO: Service & Maintenance Manual - rev. 1.1
Page i
Contents
1. GENERAL NOTICES............................................................................................................................................1.1
1.1. INTRODUCTION .................................................................................................................................................1.1
1.2. RECOMMENDATIONS.........................................................................................................................................1.1
1.3. GENERAL RULES FOR REPAIR PROCEDURES.......................................................................................................1.2
2. TECHNICAL CHARACTERISTICS ..................................................................................................................2.1
2.1. MECHANICAL CHARACTERISTICS ......................................................................................................................2.1
2.2. ELECTRICAL CHARACTERISTICS ........................................................................................................................2.1
2.3. AMBIENT SPECIFICATIONS.................................................................................................................................2.1
2.4. CONFORMITY TO REGULATIONS ........................................................................................................................2.1
2.5. WIRING DIAGRAM WITH NON-CODED RECEIVER ................................................................................................2.2
2.5.1. Connectors.........................................................................................................................................2.3
2.5.2. Wiring................................................................................................................................................2.4
2.6. WIRING DIAGRAM WITH CODED RECEIVER ........................................................................................................2.7
3. PRINCIPLES OF OPERATION ..........................................................................................................................3.1
3.1. BLOCK DIAGRAM ..............................................................................................................................................3.1
3.1.1. Display ..............................................................................................................................................3.1
3.1.2. Cardio transmitter.............................................................................................................................3.2
3.1.3. HS interface board ............................................................................................................................3.2
3.1.4. RJ45-RS232 board ............................................................................................................................3.2
3.1.5. Power supply .....................................................................................................................................3.3
3.1.6. Alternator interface board.................................................................................................................3.3
3.1.7. Alternator ..........................................................................................................................................3.3
3.1.8. Power resistor ...................................................................................................................................3.3
3.2. ALTERNATOR CONTROL ....................................................................................................................................3.4
3.2.1. Mechanics..........................................................................................................................................3.4
3.2.2. Controls.............................................................................................................................................3.4
3.2.3. The signals involved ..........................................................................................................................3.4
4. ACCESSORIES......................................................................................................................................................4.1
4.1. CONNECTING TO THE TGS ................................................................................................................................4.1
4.2. CONNECTING TO THE CARDIO THEATER ...........................................................................................................4.1
5. INSTALLATION INSTRUCTIONS ....................................................................................................................5.1
5.1. SPECIFICATIONS AND REQUIREMENTS ...............................................................................................................5.1
5.2. INSTALLATION ..................................................................................................................................................5.1
5.3. FIRST POWER-ON...............................................................................................................................................5.2
6. TROUBLESHOOTING.........................................................................................................................................6.1
6.1. THE DISPLAY DOES NOT ILLUMINATE ................................................................................................................6.2
6.2. THERE IS NO RESISTANCE..................................................................................................................................6.5
6.3. THE RESISTANCE IS INCORRECT ........................................................................................................................6.6
6.4. THE SPM VALUE IS INCORRECT........................................................................................................................6.9
6.5. THERE IS NO HEART RATE SIGNAL ...................................................................................................................6.11
6.5.1. Telemetric receiver..........................................................................................................................6.11
6.5.2. Hand sensor.....................................................................................................................................6.11
6.6. THE TELEMETRIC HEART RATE SIGNAL IS INCORRECT .....................................................................................6.13
7. DISASSEMBLY OF COMPONENTS .................................................................................................................7.1
7.1. DISASSEMBLING THE DISPLAY...........................................................................................................................7.1
7.2. DISASSEMBLING THE EPROM .............................................................................................................................7.3