Toshiba MCY-MUG0401HSW-E Service Manual page 232

No. Component
10 IPDU P.C board
Procedure
WARNING
Do not detach the inverter for 5 minutes after
turning off the breaker as doing so may cause
electric shocks.
1. Detachment
1)Remove the Front panel, Upper panel, Side panel,
Discharge cabinet, Interface P.C board
attachment plate, and Noise filter P.C. board
attachment plate. [Step1 - Step9]
2)Remove the connector connected between the
IPDU P.C board and another component.
CN01:Connection with noise filter P.C board
(CN03) (black)
CN02:Connection with noise filter P.C board
(CN04) (white)
CN852:Connection with interface P.C. board
(CN600) (white)
3) Remove the compressor fixing screws
(M4 x 8, 3 pcs).(3 positions)
CN201:Compressor lead (red) (M4)
CN202:Compressor lead (white) (M4)
CN203:Compressor lead (black) (M4)
4) Remove the screws on the IPDU P.C board.
(Screws with washers M3 x 14 , 6 pcs)
(Binding head screws M4 x 15 , 2 pcs)(Fig. 10-1)
5)"Remove the 2 screws and 2 supports.
(Fixing screws M4 x 14 ,2 pcs)(Fig. 10-1)"
6)Remove the IPDU P.C. board.(Fig. 10-1)
2. Attachment
1) Install it in the reverse of the procedure to
remove it.
2) Apply the thermal grease to the heat sink before
Install the IPDU P.C board. (Refer to page 11-2
IPDU P.C. board replacement procedure.)
3) The tightening torques is as follows.
M3 : 0.55 ± 0.1Nm
M4 : 1.20 ± 0.1Nm
Screw(M4 x 14)
Support
231
Remarks
IPDU P.C board
Support
Screws
(M3 x 14)
(6 positions)
Screws
(M4 x 15)
(2 positions)
Compressor
lead fixing
screws
(3 positions)
Screw(M4 x 14)
Fig. 10-1