KaVo ORTHOPANTOMOGAPH OP 2D, Service Manual

Page: 6 / 128

VI ORTHOPANTOMOGAPH OP 2D
Contents
2. Unit Description ............................................................................................... 10
2.1 The ORTHOPANTOMOGRAPH™ OP 2D .................................................. 10
2.2 The main parts and assemblies ..................................................................11
2.3 Unit dimensions ........................................................................................... 14
2.4 Mechanical description ................................................................................ 15
2.5 Electrical description ................................................................................... 17
Circuit boards .............................................................................................. 17
Power supply .............................................................................................. 17
Main fuses .................................................................................................. 17
Unit control ................................................................................................. 18
Motors and motor control ............................................................................ 18
Exposure logic ............................................................................................ 19
Position control ........................................................................................... 20
Overview of the Imaging Chain ................................................................... 20
2.6 Block diagram ............................................................................................. 23
2.7 Fuse diagram .............................................................................................. 24
2.8 Wiring diagrams - overview ......................................................................... 25
3. Circuit Boards .................................................................................................. 29
3.1 L900, Display adapter ................................................................................. 29
L900 - Location ........................................................................................... 29
L900 - Field replaceable parts .................................................................... 30
L900 - Description ....................................................................................... 30
L900 - Indicator LEDs ................................................................................. 30
L900 - Test Points ....................................................................................... 30
3.2 L1200 CPU Board ....................................................................................... 31
L1200 - Location ......................................................................................... 31
L1200 - Field replaceable parts .................................................................. 31
L1200 - Description ..................................................................................... 32
L1200 - Indicator LEDs ............................................................................... 32
L1200 - Test Points ..................................................................................... 32
L1200 - Block Diagram ............................................................................... 33