Hitachi UTOPIA RAS-4HVRP2E Service Manual page 208

9 Servicing
RAS-(4-6)H(V)(R/N)(C/P)2E
7 Connect all the wiring desconnected to the control PCB as it was originally.
8 Close the electrical box according to the item "Opening / Closing Electrical box (P plate)".
9 Assembly the upper cover according to the item
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Disassembly / Assembly the PCB3
1 Open the electrical box according to the item "Opening / Closing Electrical box (P plate)".
2 Disconnect all the wiring connected to the PCB.
- CN201
- CN202
- PCN201
- PCN202
3 Remove the 6 fixing holders -2- and disassembly the PCB3 -1-.
4 Disassembly the PCB3 -1- and the wiring.
5 Assembly the new control PCB -1- and fix it with 6 holders -2-.
6 Connect all the wiring connected to the control PCB as it was originally.
7 Close the electrical box according to the item "Opening / Closing Electrical box (P plate)".
206 SMGB0136 rev.0 - 07/2021
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"9.3.3 Removing upper cover".
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