Mitsubishi Electric JT-SB116EH-W-CA Handbook page 30

7 Remove circuit board mounting plate (rear) clamping screws.
(two PTT screws 4 x 16, indicated by
Cautions for assembly
• Replace the packing used at the disassembled section with
new one.
• Take care not to twist the packing when replacing it.
8 Remove the light receiving circuit board from the circuit board
mounting plate (rear).
(Release from claws at four places: indicated by
Cautions for assembly
Fix the light receiving circuit board securely with the claws.
Cautions for assembly
• When setting the light receiving circuit board on its
mounting plate (rear), confirm the mounting direction of the
board. (See photograph.)
• After installing the circuit board, confirm that the LED is not
tilting.
Cautions for assembly
Accommodate lead wires in the groove on the side of base.
(indicated by )
(8) Heater unit
1 Remove the control circuit board. See (4) 1 ~ 7.
2 Remove main unit frame clamping screws.
(two special screws 4 x 16, indicated by
)
)
)
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