SPHINX
Project Ten Service Manual
2
1. UNPACKING .......................................................................................................................................3
2. SPHINX WARRANTY CARD ..............................................................................................................3
3. CONTACTING THE MANUFACTURER.............................................................................................3
4. THE AMP AT A GLANCE ...................................................................................................................4
Front panel................................................................................................................................................... 4
Rear panel ................................................................................................................................................... 5
5. SPHINX REMOTE CONTROL ............................................................................................................6
Buttons and LED indication.......................................................................................................................... 6
Operation ..................................................................................................................................................... 7
Selecting without switching .......................................................................................................................... 7
Batteries....................................................................................................................................................... 7
Encountering problems... ............................................................................................................................. 7
6. TECHNICAL SPECIFICATIONS.........................................................................................................8
7. GENERAL CHECKLIST .....................................................................................................................9
Protection modes ......................................................................................................................................... 9
Short Circuit
............................................................................................................................................. 9
Standby mode.............................................................................................................................................. 9
Necessary Equipment .................................................................................................................................. 9
8. ADJUSTMENT PROCEDURES........................................................................................................10
Bias ............................................................................................................................................................ 10
Offset ......................................................................................................................................................... 11
9. PROBLEMS AND SOLUTIONS .......................................................................................................12
10. DIAGRAMS AND PARTS LISTS....................................................................................................13
Connection diagram bias adjustment ......................................................................................................... 14
Connection diagram offset adjustment....................................................................................................... 15
Connections main board and display board of Project 10 .......................................................................... 16
General overview Project 10 ...................................................................................................................... 17
Project 10 power supply and input selection .............................................................................................. 18
Project 10 volume board ............................................................................................................................ 19
Project 10 amplifier left .............................................................................................................................. 20
Project 10 amplifier right ............................................................................................................................ 21
Project 10 control ....................................................................................................................................... 22
PCB drawings of Project 10 ....................................................................................................................... 23
Parts list ..................................................................................................................................................... 24