Replacing The Ps Unit - TEC B-450 SERIES Maintenance Manual

2. MAJOR UNIT REPLACEMENT

2.3 REPLACING THE PS UNIT

Replace only with the same type and rated of fuse for contin-
ued protection against risk of fire.
1) Refer to Section 2.1 to detach the top cover.
2) Remove the T-3x10 screw to detach the side cover R.
3) Disconnect the power harness and fan motor harness from CN9 and CN8 on the CPU PC board.
CPU PC Board
Fan Motor Connector (CN9)
WARNING!
Power Harness (CN8)
2-6
EO18-33003A
2.3 REPLACING THE PS UNIT
PT-3x10 Screw
Side Cover R
Fig. 2-8
Fig. 2-9