Polygonal Motor - Toshiba e-STUDIO 200L Service Manual

8.4

Polygonal Motor

1) Drive circuit of the polygonal motor
P54/BUSAK
Engine-CPU
P53/BUSRQ
IC22
2) Control signal
The polygonal motor is a DC motor which is PLL-controlled by clock signals. The signals from LGC
board control the polygonal motor.
Signal Level "L"
POMON
POMCK
POMPL Normal rotation
June 2004 © TOSHIBA TEC
PB6/TOA
LGC board
Fig.8-9
Level "H"
ON OFF
- -
Abnormal rotation
8 - 7
POMON
POMCK
IC8
POMPL
Polygonal motor
Remarks
Polygonal motor ON signal
Polygonal motor reference clock signal
Polygonal motor PLL signal
e-STUDIO200L/202L/230/232/280/282 LASER OPTICAL UNIT
8