Fujitsu DL7600 Maintenance Manual page 167

[Space, line feed, tractor, CSF, APTC, and ribbon motor drive circuits]
Figure 5.3.15 shows a block diagram of the control and drive circuits for the standard motors in the printer.
FPGA
(LFE2-12E-5FN484C)
count timer
Over current
alarm pulse
width count
Figure 5.3.15 Block diagram for various motor control and drive circuits
Long-time
excitation
timer
OR
Current detection resistor
Space motor drive
circuit
Line feed motor drive
circuit
Tractor motor drive
circuit
APTC motor drive
circuit
Ribbon motor drive
circuit
Open/close motor
drive circuit
Front/rear sheet
feeders
Long-time excitation
detection circuit
Over current alarm
detection circuit
POWST
167
+40V
M
Space motor
M
Line feed motor
M
Tractor motor
M
APTC motor
M
Ribbon motor
M
Open/close motor