Toshiba MMW-AP0481CHQ-E Service Manual page 100

No. Part to be replaced
5 Control P.C. Board
(MCC-1643)
Work procedure
1. Detachment
1) Carry out the detachment of item 1 .
2) Carry out the detachment of item 3 .
3) Remove the connectors connected from
Control P.C. Board (MCC-1643) to the other parts.
CN34 .... FS (Flow switch)
CN40 .... Outdoor unit
CN41 .... Remote controller
CN61 .... External input/output (HA) (6P : Yellow)
CN67 .... Power input
CN82 .... PMV1
CN100.... TC1sensor
CN101 .... TC2 (TWO)
CN102 .... TCJ sensor
CN104 .... TA (TWI) sensor
CN521 .... I/F P.C. Board
∗ Unlock the lock on the housing part and remove
the connector.
4) Remove the Ground wire (Black wire) from the
quick connect terminal on the P.C .board.(CN22)
5) Unlock the locks of the card edge spacer
(4 positions) and then remove the control
P.C. board.
2. Attachment
1) Carry out installation by following the detachment
procedure in reverse.
(3P : Red)
(2P : Blue)
(2P : Blue)
(5P : White)
(6P : Blue)
(3P : Brown)
(2P : Red)
(2P : White)
(2P : Yellow)
(5P : Red)
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Remarks
Control P.C. Board (MCC-1643)
Quick connect terminal