Toshiba RAV-SM563UT-E Service Manual page 154

No. Part name
†
IPDU P .C. board
Procedure
1) Perform the works in
2) Take off screws of the inverter assembly
to separate the inverter assembly.
(M4 × 8, 4 pcs)
3) Remove the connectors and the lead
wires which are connected from IPDU
P .C. board to the other parts.
1. Connector
CN04: Connection with cycle P .C.
board (3P: White) *(Note 1)
CN05: Connection with cycle P .C.
board (2P: White) *(Note 1)
CN06: Connection with cycle P .C.
board (5P: Red) *(Note 1)
CN13: Connection with cycle P .C.
board (5P: Red) *(Note 1)
CN600: Heat sink sensor (2P: Black)
2. Lead wire
CN01: Connection with power
terminal block (Red)
CN02: Connection with power
terminal block (White)
CN03: Connection with inverter box
(Black)
CN09: Connection with compressor
(Red)
CN10: Connection with compressor
(White)
CN11: Connection with compressor
(Black)
Rectifier diode
+
: Orange lead wire *Note 2
–
: Gray lead wire *Note 2
~
: Red lead wire
(Top)
~
: Brown lead wire
(Bottom)
*(Note 1)
Remove the connectors by releasing lock of
the housing.
4) Remove the heat sink cover.
(M4 × 8, 2pcs)
5) Take off two screws which fix the heat
sink and IGBT and also take off support
hooks of the P .C. board (5 positions) to
remove IPDU P .C. board.
6) Mount a new IPDU P .C. board.
*(Note 2)
The rectifier diode has polarity, so be
+ –
careful to and . If
mistaken, a trouble is caused.
„ …
and .
IPDU P.C. board
+ –
and are
– 154 –
Remarks
Screw
Screw
IPDU P.C. board Heat sink cover
Screw
Screw
Heat sink
P.C. board fixing hooks (5 positions)
Screw
Screw