Polygonal Motor - Toshiba e-STUDIO200L 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
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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/203L/230/232/233/280/282/283
LASER OPTICAL UNIT
8