Toshiba MMU-AP0074YH-E Service Manual page 118

No. Part name
5 Control P.C. 1. Detachment
board
1) Perform works of procedure 1-1- and 2-1.
2) Remove the connectors connected from the control P.C. board to other parts.
CN33:
CN34:
CN41:
CN40:
CN68:
CN67:
CN100: TC1 sensor (3P, Brown)
CN101: TC2 sensor (2P, Black)
CN102: TCJ sensor (2P, Red)
CN104: Room temp sensor (2P, Yellow)
CN82:
CN333: Fan motor power supply (5P, White)
CN334: Fan motor position detection (5P, White)
NOTE
Remove the connectors after unlocking the
lock of the housing.
3) Unlock the lock of the card edge
spacer (6 positions) and then remove
the control P.C. board.
2. Attachment
1) Fix the control P.C. board to the card edge spacer. (6 positions)
2) Connect the connectors as original before being removed in item 1.
NOTE
For drawing of each wire and position of ferrite core, perform wiring same as those before removing. If there is
incomplete drawing of wire, short or water leakage of the parts may be caused.
Fix the sensor lead wires firmly with the cord clamp
so that they do not touch with the caution plate of
the terminal block and they do not slacken at P.C.
board side. (3 positions)
Arrange the clamp at the position as shown in the
figure.
Adhere on the transformer.
Procedure
Louver motor (5P, White)
Float switch (3P, Red)
Terminal block of remote controller (3P, Blue)
Terminal block of crossover between inside and outside (2P, Blue)
Drain pump (3P, Blue)
Terminal block of power supply (3P, Black)
PMV (6P, Blue)
Enlarged drawing
Fix the lead wires with cord clamp
so that the lead wires do not slacken
at P.C board side. (2 positions)
As shown in the figure, store PMV
lead wire connected with connector
assembly so that the connector
positions under wire of the terminal.
Details of PMV lead wire drawing
Fold back the sensor lead wire and
fix it surely with the cord clamp.
Details of sensor lead wire drawing
Drawing-out port of lead wire
Cord clamp
Arrange at position as
shown in the figure.
Details of fan motor lead wire drawing
Cord clamp
117
Remarks
Ferrite core for sensor lead
Card edge spacer
Ferrite core for fan motor
Arrow view
Be sure that the float switch
lead wire positions at inner side
of the fan motor lead wire.
Cord clamp
Fold back the float switch lead
wire and fix surely with cord
clamp. (There is no catching-
in of P.C. board and lead wire.)