Control Board Assembly Replacement - Toshiba RAS-B10N3KV2-E Service Manual

No. Part name
„
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 (×8)
CN300 : Outdoor fan motor (3P: white)*
(* : See Note)
CN701 : 4-way valve (2P: yellow)*
CN600 : TE sensor (2P: white)*
CN700 : PMV (6P: white)
CN603 : TS sensor (3P: white)*
CN601 :TD sensor (3P: white)*
CN602 : 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.
– –
94
FILE NO. SVM-12050
Remarks
CN603
CN601 CN600 CN701
CN700 CN602 CN300
CN300, CN701, CN600 and
CN603 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