Toshiba RAS-B10UFV-E Service Manual page 115

No. Part name
Control board 1. Disconnect the leads and connectors connected to
4
assembly
2. Remove the control board assembly from the P.C.
3. Remove the 2 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 2 connectors (2P).
2) Connectors (×7)
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 assem-
bly while keeping them screwed together.)
NOTE
Disengage the 4 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.
– 115 –
Remarks
CN603
CN601 CN600 CN701 CN703
CN700 CN602 CN300
CN300, CN701, CN703,
CN600 and CN603 are
connectors with locking
mechanisms: as such, to
disconnect them, they must
be pushed in the direction of
the arrow while pulling them
out.
P.C. board base
P.C. board