Toshiba RAS-B10J2FVG-E Service Manual page 122

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).
• Lead connected to reactor :
Disconnect the connector (2P).
2) Connectors
CN300 : Outdoor fan motor (3P: white)*
(* : See Note)
CN600 : TE sensor (2P: white)*
CN601 : TD sensor (3P: white)*
CN602 : TO sensor (2P: white)
CN603 : TS sensor (3P: white)*
CN700 : PMV (6P: white)
CN703 : 4-way valve (2P: yellow)*
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 f xing 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.
CN602
CN300,CN600,CN601,CN602,
CN603,CN700 and CN703 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
CN703
CN600 CN603 CN601
P.C. board base
P.C. board