Toshiba RAS-077SKV-E7 Service Manual page 97

No. Part name
9
Control board 1. Disconnect the leads and connectors connected to
assembly
2. Remove the control board assembly from the P .C.
3. Remove the two fixing screws used to secure the
4. Mount the new control board assembly.
Procedure
the other parts from the control board assembly.
1) Leads
• 3 leads (black, white, orange) connected to
terminal block.
• Lead connected to compressor :
Disconnect the connector (3P).
• Lead connected to reactor :
Disconnect the two connectors (2P).
2) Connectors
CN31 : Outdoor fan motor (3P: white)*
(* : See Note)
CN72 : 4-way valve (2P: yellow)*
CN61 : TE sensor (2P: white)*
CN73 : PMV (6P: white)
CN64 : TS sensor (3P: white)*
CN62 :TD sensor (3P: white)*
CN63 : TO sensor (2P: white)
NOTE
These connectors have a disconnect prevention
mechanism: as such, the lock on their housing
must be released before they are disconnected.
board base. (Remove the heat sink and control
board assembly while keeping them screwed
together.)
NOTE
Disengage the four claws of the P .C. board base,
hold the heat sink, and lift to remove it.
heat sink and control board assembly.
NOTE
When mounting the new control board assembly,
ensure that the P .C. board is inserted properly
into the P .C. board support groove.
– 96 –
FILE NO. SVM-15004
Remarks
CN31,CN72,CN61,CN73,CN64,
CN62 and CN63 are
connectors with locking
mechanisms: as such, to
disconnect them, they must be
pressed in the direction of the
arrow while pulling them out.
P.C. board base
P.C. board