Hitachi UTOPIA RAS-4HVRP2E Service Manual page 203

9 Servicing
RAS-(4-6)H(V)(R/N)(C/P)2E
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Disassembly / Assembly the PCB3
1 Disassembly the service cover according to the item "9.3.1 Removing service cover".
2 Disconnect all the wiring connected to the PCB.
3 Remove the 4 fixing holders -2- and disassembly the PCB -1-.
4 Assembly the new control PCB -1- and fix it with 4 holders -2-.
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5 Connect all the wiring connected to the PCB as it was originally.
6 Assembly the service cover according to the item "9.3.1 Removing service cover".
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201 SMGB0136 rev.0 - 07/2021