Hitachi RASC-4HNPE Service Manual page 186

9 Servicing
Removing components
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Upper level
Upper level is accessible by only removing the electrical box service cover as described in section
electrical box service cover".
Removal of PCB's (PCB1, PCB2 and PCB3)
1 Disconnect all the connectors in the PCB.
2 Remove the PCB by pressing the expanded part
of the 4 plastic holders, using long-nose pliers, as
shown in the picture below.
3 Pull the PCB out from the PCB plate.
Long-noise pliers
Press Press
PCB
Plastic holder
(PCB2)
Location of plastic holders
176 SMGB0091 rev.2 - 11/2015
PCB3
TB1
Mark
PCB1,2,3 Printed circuit boards 1, 2 and 3
TB1 Terminal board
Pull up
PCB1
PCB2
Part name
(PCB1)
Location of plastic holders
(PCB3)
Location of plastic holders
"9.3.3 Removing