Operation Manual

2. MAIN UNIT REPLACEMENT
EO18-11004A
2.4 Replacing the Power Supply Block
2- 5
2.4 Replacing the Power Supply Block
1) Remove the Top Cover Ass’y. (Refer to Section 2.1 Removing the Top Cover Ass’y.)
2) Remove the Transformer Cable from CN401 on the MAIN PC Board, and then remove the Fuse
Cover and the Fuse from the Fuse Holder.
3) Remove the two TP-4x12 screws from the Transformer, the TP-3x8 screw from the Fuse Holder,
and the two TP-3x8 screws from the Set Piece which fixes the Power Cord onto the Bottom Cover,
respectively.
4) Replace the Power Supply Block with the new one, and then reassemble in the reverse order of
removal.
2.5 Replacing the RIU Unit
1) Remove the Top Cover Ass’y. (Refer to Section 2.1 Removing the Top Cover Ass’y.)
2) Remove the RIU Cable from CN2 and CN3 on the FIU PC Board, and then remove the RIU Unit
from the Top Cover.
3) Replace the RIU Unit with the new one, and then reassemble in the reverse order of removal.
4) Make Display Test in Diagnostic Test to check the performance. (See Section 4.2 Display Test.)
TP-4x12
Power Cord
TP-4x8
TP-3x8
Set Piece
Fuse Holder
Transformer Cable
Fuse Cover
TP-3x8
Fuse
CN401
RIU Cable
FIU PC Board
CN2
CN3
RIU Unit
Top Cover