Mitsubishi Electric JT-SB116JH2-S-NA Handbook page 21

(9) Display circuit board (JT-30S5R)
1 Remove the PCB cover for the power circuit board.
→ See (7) 1.
2 Unhook the claw of the LED holder, and slide the LED holder in the
direction of the arrow, and remove it.
3 Remove the display circuit board (JT-30S5R) from the LED holder.
Assembly precautions
• Take care not to pinch the lead wires.
• After installing the circuit board, make sure that the LEDs can be
seen through the holes of the LED holder.
(10) Terminal block (with the thermal fuse)
1 Unscrew the clamping screws, and remove the terminal block.
(Two PPT screws 4×20, indicated by )
2 Disconnect the white lead wire (N) (TAB20) and black lead wire (L)
(TAB21) from the filter circuit board. → See (8) 4 and 5.
Assembly precaution
When running the lead wire through the groove of the TB holder, set
the thermal fuse in the center of the groove. (Indicated by )
─ 21 ─
Claw LED holder
Display circuit board (JT-30S5R)
Terminal block
TB holder