Toshiba RAV-SP454ATP-E Service Manual page 87

No. Part name
Control P.C.
4
board
assembly
SVM-12085_051-114.indd 87 SVM-12085_051-114.indd 87
Procedure
1) Remove sub board base from inverter
frame. BT 2T Ø4 × 10, 2 pcs.
Remove connector of control board
frame side.
2) Remove lead wire connector that are
connected from control board frame to
other parts.
1. Lead wire : Connect with terminal block
Black, white, orange (single phase),
red, white, black, orange (three phase)
earthed lines (black)
2. Connector
CN605 Sub SW board (3P : black
Warning 1)
Warning 1)
Please remove housing part's lock before
removing connectors.
3) Remove inverter box (metal plate).
4) Remove control board frame from PC
board base. (Remove while heat sink is
still attached to control board frame)
Warning 2)
Remove PC board base's hook (4 places),
hold heat sink, pull up.
5) Take off 2 screws that connect heat sink
and control board frame.
6) Install new control board frame.
Warning 3)
When install new control board frame,
please correctly insert the board. Make
sure to install that heat sink touch metal
plate.
1 pc.
– 87 –
FILE NO. SVM-12085
Remarks
Sub board base
Power line
Remove earth screw
Inverter box
(metal plate)
Control board frame
PC board base
Control board
frame
PC board base
Hook ( places)
Inverter box
(metal plate)
Heat sink
12/07/12 11:00 AM 12/07/12 11:00 AM