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8.10-7
Replacement
Sub-board
ܭ
CAUTION
z
Handle Sub board carefully against static electricity.
z Though the location of connecters on Sub board in SBY0266 and SBY0270 are same, the
components on the board are different. Explanation in this section is applied for SBY0270 only.
z Connect the specific connector to CN416 for AC110V model. Confirm no connector on CN416
for AC230V model.
(1) Turn off power SW of machine.
(2) Disconnect power plug from receptacle.
(3) Remove left cover from upper part of machine and left cover from DENSO box.
(4) Disconnect all connectors.
(5) Remove the screws to fix sub-board.
(6) Prepare new sub-board.
Two types of the sub board shown below are available. Select the appropriate type for your
machine.
Board No. is printed on the board. This machine can accept to connect SBY0270 only.
Information which is not necessary is marked out by a permanent marker. Again, SBY0266
Sub-board cannot be used.
SBY
SUB PCB
NCUX0266
0270
0266
SBY
SUB PCB
NCUX0266
0270
0266
Can USE(SBY0270) Cannot USE(SBY0266)
Fig. 8.10-5 Two types of sub-board
(7) Check the connector CN416.
For AC110V model Î Put specified connector
For AC230V model Î Remove the connector (or no connector)
(8) Put the Sub-board.
(9) Connect all the disconnected connectors.
(10) Insert power plug in socket.
(11) Turn on power SW of machine.
(12) Check correct function of machine.
(13) Return the removed covers to the original positions.