Toshiba MMU-UP0091HP-E Service Manual page 215

No. Part to be replaced
Fan control board
③
(MCC-1610)
Noise filter board
④
(MCC-1511)
Work procedure
1. Detachment
1) Remove the electric parts box cover.
(see the 1. of ①)
2) Detach the connector connected to the board, and
remove the wiring from the clamp.
CN504 : UART (Blue)
CN510 : Reactor (Faston)
CN511 : Reactor (Faston)
CN602 : Relay (Black)
CN703 : Fan motor (W phase) (leads : Black)
CN704 : Fan motor (V phase) (leads : White)
CN705 : Fan motor (U phase) (leads: Red)
Unlock the locks on the housing to remove
the connector.
3) Remove the screws (5 pcs), and remove the sub heat
sink. (The sub heat sink is attached to the back side of
the board with screws (5 pcs).)
4) Unlock the card edge spacers (4 pcs) at the four
corners of the board, and remove the board.
2. Attachment
1) Temporarily secure the board to the card edge spacers
(4 pcs), and then screw (5 pcs) the sub heat sink on
the board to secure.
2) Re-connect the connector which has been removed in
step 1. in the same way as before replacement.
3) Attach the electric parts box cover.
(see the 2 of No. ①)
1. Detachment
1) Remove the electric parts box cover.
(see the 1. of ①)
2) Disconnect the Faston connected to the board.
CN01 : Power output (L phase) (leads : Red)
CN02 : Power output (N phase) (leads : White)
CN03 : Power output (L phase) (leads : Red)
CN04 : Power output (N phase) (leads : White)
3) Remove the earthing screw (1 pcs).
4) Unlock the card edge spacers (4 pcs) at the four
corners of the board, and remove the board.
2. Attachment
1) Secure the board to the card edge spacers (4 pcs).
2) Re-connect the Faston which has been removed in the
step 1. in in the same way as before replacement.
3) Attach the electric parts box cover.
(see the 2. of No. ①)
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Remarks
UART CN504
Power suppl
CN500
Relay CN602
Reactor
CN500, 511 Fan motor
CN703, 704, 705
Screw
Earthing screw
CN04
CN03
Power supply
CN02
CN01