4
Introduction ................................................................................ 4-2
Power-on self-test ....................................................................... 4-2
Front panel tests ......................................................................... 4-3
KEY test .............................................................................. 4-3
DISP test ............................................................................. 4-3
Power supply ....................................................................... 4-4
Display board ...................................................................... 4-6
Digital circuitry ................................................................... 4-7
Analog circuitry .................................................................. 4-8
Troubleshooting ....................................................................... 4-11
No comm link error .................................................................. 4-18
5
Introduction ................................................................................ 5-2
Solder repairs ...................................................................... 5-2
Assembly drawings .................................................................... 5-3
6
Introduction ................................................................................ 6-2
Parts lists .................................................................................... 6-2
Factory service ........................................................................... 6-2
Component layouts .................................................................... 6-2