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1159SBM1206A
7
12-6, 4th Mirror Movement (EP1031/EP1031 F only)
e The 4th Mirror is moved to the right and left as the eccentric cam located on the bottom
of Lens Drive Motor M5 is turned. It is moved to vary the conjugate distance for each
zoom
ratio selected for use.
Eccentric Cam
Lens Drive Motor M5
4th/5th Mirrors
1159M051AA
Control Signal
Energized | Deenergized
WIRING DIAGRAM
Sey
PWB-A PJ16A-2
L
H
7-D
M-30
1158SBM1207A
12-7. Lens Movement (EP1031/EP1031 F only)
Lens Drive Motor M5, a stepping motor, is energized by the motor drive pulses sent from
PWB-A to move the Lens a given distance via a gear train. There is a fixed-type Lens
Aperture Cover provided at the rear of the Lens (on the 4th Mirror end). It limits the
amount of light striking the surface of the PC Drum.
Lens Drive Motor M5
Lens
1159M050AA
1139M040AA,
Lens Aperture Cover
[
Control
Signal | Blocked | Unblocked
| WIRING
DIAGRAM
PC12
PWB-A PJ17A-2
L
H
5-D
M-31
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