Toshiba e-studio281c - 3.5 Image Quality Adjustment (Copying Function); 3.5.1 Automatic gamma adjustment (Copying Function); 3.5.5 Gamma balance adjustment; 3.5.6 Offsetting adjustment for background processing

13
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REVOLVER UNIT
13 - 5
13.5 Revolver Motor Drive Circuit
The revolver motor (two-phase stepping motor) drives over the DRV board circuit.
Fig. 13-3
Engine
CPU
RVMA
RVMB
RVMC
Revolver motor
RVMD
RVMPHA-0
+5.1V
+24V
+24V
+24V
RVMPHB-0
RVMPHC-0
RVMC3-0
RVMC1-0
RVMC2-0
RVMBHD-0
RVMC1-0
Motor
driver
IN1
IN2
GATE1
GATE2
REF
Motor
driver
IN1
IN2
GATE1
GATE2
REF
Gate array
#1
+5VSW
LGC board
DRV board
FET
FET
FET
FET