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8.10-3
Replacement
Sub-board
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CAUTION
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There are two types of sub board (SBY0157) and sub board (SBY0163) each. For details, refer
to 8.13 Operation Panel Board, Main Board and Sub Board .
(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. DO NOT disconnect TAB402, TAB403 and CN416 when provided.
(5) Remove sub-board under pressing spacer lock used to fix it.
(6) Prepare new sub-board. Two types of the board shown below are available; one is for AC100V
and other is for 230V. Select the type conforming to the rating.
Board No. is silk screen printed at upper right side of sub-board. SBY0157 is for AC230V
and SBY0163 is for AC110V. Unnecessary numbers have been deleted with a line or a
marker. And also, concerning SBY0163 for AC110V, components are attached to CN416.
CN414
SBY0
163
157
CN414
SBY0
163
157
SBY0157 for AC230V SBY0163 for AC110V
Fig. 8.10-2 Two types of sub-board
(7) Attach the new board and check correct locking.
(8) Connect all the disconnected connectors.
(9) Insert power plug in receptacle.
(10) Turn on power SW of machine.
(11) Check correct function of machine.
(12) Return the removed covers to the original positions.