Power Supply - Thermo Scientific GENESYS 20 Service Manual

9.3.3

Power Supply

5. Remove the two power connector wires (white wires) from the upper
and lower terminals on the right side (as viewed from the rear).
6. Lift the power entry module out of its cutout in the base assembly.
REPLACEMENT
If desired, the wires can be attached to the terminals on the new
power module before the module is to be replaced.
7. Push the new power entry module into the cutout on the base assembly.
8. Connect the ground connector (green and yellow wire) to the upper right
terminal on the power entry module (as viewed from the rear).
9. Connect the two power connector wires (white wires) to the upper and
lower terminals on the right side of the power entry module (as viewed
from the rear). The two wires are interchangeable. Either wire can be
connected to either of the two terminals. (The two middle terminals are
not used.)
10. Replace the rear panel (refer to "Section 9.1.5 - Rear Panel").
11. Replace the main circuit board (refer to "Section 9.3.1 - Main Circuit
Board").
12. Replace the main cover assembly (refer to "Section 9.1.3 - Cover
Assembly").
REMOVAL
1. Remove the main cover assembly (refer to "Section 9.1.3 - Cover
Assembly").
2. Remove the mono board assembly.
3. Remove the main circuit board (refer to "Section 9.3.1 - Main Circuit
Board").
9 - 15
Dissassembly and Replacement
NOTE