Replacing The Main Pcb Roms - Kyocera KM-4230 Service Manual

2A3/4

3-4-2 Replacing the main PCB ROMs

When replacing the ROMs on the main PCB, perform the following steps.
Main ROM IC (P/N 2A368010)
Engine ROM IC (P/N 2A368020)
Scanner ROM IC (P/N 2A368060)
Procedure
1. Turn the main switch off and disconnect the power plug.
2. Remove the screw securing the main PCB ROM cover.
3. Replace the main ROM IC (IC45), engine ROM IC (IC57) and scanner ROM IC
(IC54).
4. Refit the main PCB ROM cover.
5. Insert the power plug and turn the main switch on.
3-4-2
Scanner ROM IC
Figure 3-4-1 Replacing the main PCB ROMs
Main ROM IC
Engin ROM IC