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7 Repair procedures
7.8.3 Replace
PC board DCU
7-26
To replace the PC board DCU, follow this sequence:
1. Remove the control panel according to section 7.2.2.
2. Open the panel according to section 7.2.3.
3. Disconnect main engine connector and remove rear housing
4. Carefully lift PC board DCU from its two PC connectors.
5. Squeeze the nylon board secure lock to allow removing the CDU board
6. Insert the new PC board DCU into the nylon board secure lock and onto the
two PC connectors
7. Push DCU board carefully to secure PC connection.
8. Close panel.
9. Verify proper function after reassembly by performing a power-up test.
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a
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