Toshiba MMW-AP0481CHQ-E Service Manual page 99

No. Part to be replaced
3 Electric parts box
cover
4 I/F P.C. Board
(MCC-1628)
Work procedure
1. Detachment
1) Carry out the detachment of item 1 .
2) Remove the screws at the lower side of the
electric parts box cover.
(M4 × 8, 2 pcs)
3) Remove the screws at the upper side of the
electric parts box cover.
(M4×8, 2 pcs)
2. Attachment
1) Carry out installation by following the detachment
procedure in reverse.
1. Detachment
1) Carry out the detachment of item 1 .
2) Carry out the detachment of item 3 .
3) Remove the connectors connected from I/F P.C.
Board (MCC-1628) to the other parts.
CN01 .... Power input
CN200 .... IPDU P.C. Board
CN300 .... Fan motor
CN403 .... Control P.C. Board
CN602 .... TS sensor
CN603 .... TE sensor
CN605 .... PS sensor
CN606 .... PD sensor
CN611.... TD sensor
CN703 .... Outside trouble input (6P : White)
CN707 .... Optional output
CN711 .... PMV2
∗ Unlock the lock on the housing part and
remove the connector.
4) Remove the screw for Ground wire (Black wire).
5) Unlock the locks of the card edge spacer
(6 positions) and then remove the I/F P.C. board.
2. Attachment
∗ When installing a new circuit board, be sure to
perform the DIP switch setting and confirm that
it is properly set.
1) Carry out installation by following the
detachment procedure in reverse.
(5P : Black)
(7P : White)
(2P : Red)
(5P : Blue)
(2P : White)
(2P : Black)
(3P : Yellow)
(3P : Black)
(3P : White)
(6P : White)
(6P : Blue)
– 99 –
Remarks
Electric parts box cover upper side
Electric parts box cover lower side
I/F P.C. Board (MCC-1628)
Ground wire (Black wire)