Scanning Drive Circuit - Toshiba e-STUDIO453 Service Manual

6.3.2 Scanning drive circuit

The scan motor is a 2-phase stepping motor and driven by the driver IC (IC16).
MOTREF
MOTCLK
MOTMD3
Scanner
CPU
MOTMD2
MOTMD
MOTDIR
MOTEN
MOTRST
RESET IC
SLG board
© 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved
+24V
GND
Voltage to set value for
motor current
Clock nput
Exctaton mode settng ( 3 )
Exctaton mode settng ( 2 )
Exctaton mode settng (  )
Rotaton drecton settng
Cut off output
Reset
+5V
GND
Fig. 6-302
6 - 5
05/11
+24V B
DG
+24V
B
A
Scan motor
VREF
+24V
A
CLK
M3
M2
M
CWB
EN
RESET
+5V
GND
e-STUDIO350/352/353/450/452/453
M
6
SCANNER