Epson DFX-9000 - Electrical Circuit Board Removal; Power Unit

Epson DFX 9000 Revision B
Disassembly and Assembly POWER UNIT 136
4.2.3 Electrical circuit board removal
4.2.3.1 POWER UNIT
1. Remove the PR MECHA ASY (p. 149)
2. Remove the two C.B.P. 4 × 16 screws that secure the left side
bracket used to attach the REAR UNIT, and remove the bracket
upward.
3. Disconnect the ACIN and CNPW cables (see the arrows in Figure
4-9) from the POWER UNIT.
4. Remove the six C.B.P. 3 × 10 screws that secure the POWER UNIT
to the LOWER UNIT.
5. Lift the rear of the POWER UNIT slightly, and slide it rearward in
the direction of the arrow. Release the two tabs that secure the front
of the POWER UNIT as you lift it by the rear and remove it.
Figure 4-9. POWER UNIT Removal
W A R N I N G
 Disconnect the power cable and wait at least 5 minutes
to allow capacitors to drain before disassembling the
POWER UNIT. If you touch the POWER UNIT with
the power supplied, you may receive an electric shock.
 Be careful with the edges of the shield plate, as they are
very sharp.
No. Pins Color Connects to
ACIN 3 White AC SW / INLET SW
CNPW 12 White ROM BOARD
Bracket
2)-1
2)-2
5)-1
5)-3
4)
4)
4)
4)
4)
4)
CNPW
ACIN
POWER UNIT
LOWER UNIT
5)-2
tabs
5)-2