Toshiba RAS-B10J2FVG-E Service Manual page 116

No. Part name
Control board assembly
4
Procedures
1. Disconnect the leads and connectors connected to
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).
2) Connectors
CN31 : Outdoor fan motor (3P: white)*
(* : See Note)
CN61 : TE sensor (2P: white)
CN62 :TD sensor (3P: white)*
CN63 : TO sensor (2P: white)
CN64 : TS sensor (3P: white)*
CN72 : 4-way valve (2P: yellow)
CN73 : PMV (6P: white)
NOTE NOTE
These connectors have a disconnect
prevention mechanism: as such, the lock
on their housing must be released before
they are disconnected.
2. Remove the control board assembly from the
P. P.C. board base. (Remove the heat sink a
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.
3. Remove the two fixing screws used to secure
the heat sink and control board assembly.
4. Mount the new control board assembly.
NOTE NOTE
When mounting the new control board
assembly, ensure that the P.C. board is
inserted properly into the P.C. board
support groove.
CN72
CN73
CN31, CN61, CN62, CN64, CN63,
CN72 and CN73 are connectors with
locking mechanisms: as such, to
disconnect them, they must be
pressed in the direction of the arrow
while pulling them out.
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Remarks
CN62
CN63
CN61 CN64
P.C. board base
P.C. board