GE
D
IRECTION
5573152-100, R
EV
. 2
LOGIQ E9 S
ERVICE
M
ANUAL
Chapter 5 Components and Functions (Theory)
5 - 23
5-7-2-1 General description (cont’d)
Figure 5-17 Power Supply Block Diagram - R4 and earlier
MAIN POWER SUPPLY
TO
PRINTERS
H
A
I
4D MOTOR
CNTRL
H-BRIDGE
DC-DC
CONVERTERS
POWER
FACTOR
CORRECTION
ISOLATION
AND
DC HEAD
CONTROL
120VAC
INVERTER
USB MAIN POWER
SUPPLY TO BEP (J4)
TO XYZ
CONTROLLER (48V)
TO BEP (J1)
USB CABLE
4 D CONTROLLER (J28)
BB
DC VOLTAGES ->
FEP’S MOTHERBOARD ->
FEP’S BOARDS
(X2 = P4 on MPS)
TX POWER to
FEP MOTHERBOARD to
RELAY CARD
(X1 = P3 on MPS)
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