Service manual

vii
List of Figures
Figure Title Page
1-1. 8508A Dimentional Outline Drawing .................................................................... 1-6
2-1. 8508A Functional Block Diagram ......................................................................... 2-4
2-2. Power Supplies - Simplified Block Diagram ......................................................... 2-7
3-1. Equipment Connections Required for Calibration ................................................. 3-13
4-1. Internal Wiring and Cabling Diagram.................................................................... 4-4
4-3. Removing the A2 AC PCA .................................................................................... 4-6
4-4. Removing the A3 Ohms PCA ................................................................................ 4-7
4-5. Removing the A4 Digital PCA............................................................................... 4-8
4-6. Removing the A5 Bezel Assembly ........................................................................ 4-9
4-7. Removing the A5A1 Display PCA ........................................................................ 4-10
4-8. Removing the A6 Rear Input Assembly ................................................................ 4-11
4-9. Rear Panel - Power Input Fuse and line Power Locations ..................................... 4-12
5-1. 8508A Final Assembly........................................................................................... 5-5
5-2. 8508A Chassis Assembly....................................................................................... 5-7
5-3. A5 Bezel (front panel) Assembly........................................................................... 5-11
5-4. Rear Input Assembly (optional) ............................................................................. 5-14