6.3.2 What to Do 164
6.3.3 What Next 165
6.4 How to Replace the Fan Tray Assembly 165
6.4.1 Before YouBegin 165
6.4.2 What to Do 166
6.4.3 What Next 167
6.5 How to Remove the DC-to-DC Converter 167
6.5.1 Before YouBegin 167
6.5.2 What to Do 167
6.5.3 What Next 170
6.6 How to Replace the DC-to-DC Converter 171
6.6.1 Before YouBegin 171
6.6.2 What to Do 171
6.6.3 What Next 174
6.7 How to Remove the Keyswitch/Power Button/LED Cable 174
6.7.1 Before YouBegin 174
6.7.2 What to Do 175
6.7.3 What Next 176
6.8 How to Replace the Keyswitch/Power Button/LED Cable 176
6.8.1 Before YouBegin 176
6.8.2 What to Do 177
6.8.3 What Next 178
6.9 How to Remove a System Door 179
6.9.1 Before YouBegin 179
6.9.2 What to Do 179
6.9.3 What Next 181
6.10 How to Replace a System Door 181
6.10.1 Whatto Do 181
10 Sun Enterprise 220R Server Service Manual January 2000, Revision A