Panasonic ET-D75MRS10 User manual

Thank you for purchasing this Panasonic product.
■To customers
This “Operating Instructions” is intended for use by installation person-
nel. Be sure to employ certied personnel to perform the attaching and
detaching work.
After the work is complete, have the installation personnel return this “Operating
Instructions” to you, and save it for future use.
■To installation personnel
Read this “Operating Instructions” carefully and then perform the work
correctly and safely.
In particular, be sure to read “Read this rst!” (page 3) before handling the
product.
After the work is complete, return this “Operating Instructions” to the customer.
DPQX1238ZB
Operating Instructions
Stepping Motor Kit Commercial Use
Model No.ET-D75MKS10
* The gure above shows this product combined with the separately sold ET-
D75LE10 Projection Lens.
* Unless specied otherwise, the ET-D75LE10 is used in the illustrations of
projection lens in these instructions.

2-ENGLISH
Read this rst! ........................................................... 3
Before Use.................................................................. 4
Attaching / Detaching................................................ 5
Before attaching the stepping motor unit ................... 5
Detaching the DC motor unit...................................... 6
Attaching the stepping motor unit............................... 8
Detaching the stepping motor unit ............................. 9
Attaching the DC motor unit ....................................... 9
Specications .......................................................... 12
Dimensions .............................................................. 12
█ Contents
Environment care information for users in China
This symbol is only valid in China.

ENGLISH-3
Read this rst!
Always follow these precautions
WARNING:
Do not allow children to reach the screws.
zThe screws can cause personal injury if swallowed.
zIf the screws are swallowed, seek medical advice immediately.

4-ENGLISH
This product is a projection lens replacement kit for speeding up the zoom
operation to improve zoom position reproducibility.
■Supported lens
ET-D75LE10 / ET-D75LE20 / ET-D75LE30 / ET-D75LE40 / ET-D75LE6 / ET-D75LE8
■Supported projectors
PT-RQ32K / PT-RZ31K / PT-RS30K / PT-RZ21K / PT-RS20K
Note
zThe alphabet letters at the end of projector model numbers are omitted in
this document.
zModels other than the above may also be supported. Refer to the operating
instructions of the projector you are using or check the website
(https://panasonic.net/cns/projector/).
■Component List
Part name Appearance (quantity) Application
Stepping motor
unit
x1
This unit is used attached
to a projection lens.
Screw Screw with captive washer
(M3x10) x2
These are used to attach
the stepping motor unit to
a projection lens.
Switches
Before Use

ENGLISH-5
Before Use (Continued)
Attaching / Detaching
Before attaching the stepping motor unit
zDetach the projection lens from the projector before carrying out this work.
(For details on attaching and detaching the projection lens, refer to the oper-
ating instructions of the projector.)
zRemove the DC motor unit from the projection lens before attaching the
stepping motor unit.
Attention
zPerform the attaching and detaching work in a clean environment.
zBefore carrying out the work, attach the supplied lens cover, etc. to the
projection lens so that the lens surface does not get ngerprints or dirt on it
or become scratched.
zEmploy certied personnel to perform the attaching and detaching work.
zThe attaching and detaching work must be carried out by two persons. One
person should hold the lens while the other person performs the work to
exchange the motor unit.
zPerform this work on soft material on a at surface.
zWhen tightening the screws, use a torque driver. Do not use an electric
screwdriver or impact driver.
zStore small parts appropriately in a location that is out of the reach of small
children.
zWhen tightening the screws, use a torque driver. Do not use an electric
screwdriver or impact driver.
Attention
zPlace a stepping motor unit and DC motor unit that will not be used in this
product's packaging box together with the screws, and store the packaging
box in a safe place.
zWhen disposing of the packaging, dispose of it appropriately.

6-ENGLISH
1) Remove the one xing
screw (M3 x 10 mm) from
the cover.
Attention
zScrew locking agent is applied to
the screw. Take care that it does
not enter in between gears during
removal.
Fixing screw
(M3 x 10 mm)
Cover
Attaching / Detaching (Continued)
Detaching the DC motor unit
Do not touch the switches of this product and the removed DC motor unit be-
cause there is a risk of damaging them.
Attention
zCheck that the retaining screw
does not protrude over a gear. If
it does protrude over a gear as
shown in the gure, you will not
be able to detach the DC motor
unit.
In that case, attach the lens to the
projector and perform the zoom
operation to move the position of
the retaining screw.
Retaining
screw
Retaining
screw

ENGLISH-7
2) Pull the cover tab to raise
up the cover and then
remove the cover.
Tab
Attaching / Detaching (Continued)
3) Remove the one xing
screw (M3 x 6 mm) from
the DC motor unit.
Fixing screw
(M3 x 6 mm)
DC motor unit
4) Place the lens upside
down.
zWhen the lens is turned
upside down, one person
should hold the DC motor unit
so that it does not become
detached and fall.
Note
zIf the DC motor unit is detached
without turning the lens upside
down, a gear of the DC motor unit
may fall off.
5) Remove the DC motor
unit by pulling it down in a
diagonal direction.

8-ENGLISH
Attaching / Detaching (Continued)
Attention
zDo not touch the switches be-
cause there is a risk of damaging
them.
Switches
Attaching the stepping motor unit
1) Turn the lens back over so
that the top is facing up.
2) Insert the shaft of the
stepping motor unit into
the shaft hole of the lens.
Attention
zDo not touch the switches be-
cause there is a risk of damaging
them.
Shaft
Switch
Shaft hole

ENGLISH-9
Attaching / Detaching (Continued)
3) Fix the stepping motor
unit with the two supplied
screws with captive wash-
ers (M3 x 10 mm) in the
order A and Bshown in
the gure.
zTighten the screws to a
torque of 0.6 to 0.8 N·m.
Supplied screws with
captive washers
(M3 x 10 mm)
1) Lower the gears of the DC
motor unit to the end of
the shaft.
zHold the lowered gears so
that they do not come off the
shaft and fall.
Attaching the DC motor unit
Detaching the stepping motor unit
Detach the stepping motor unit by performing the procedure to attach the step-
ping motor unit in reverse.
* If the DC motor unit will be used again, attach it as described in "Attaching the
DC motor unit" below.

10-ENGLISH
Attaching / Detaching (Continued)
2) Hold the DC motor unit
level and engage the
lower gear with the gear
on the lens side and insert
the shaft into the shaft
hole while inserting the
large upper gear into the
groove in the lens.
zIf the gears have not been
lowered to the end of the
shaft, the gears will not
engage because the shaft
will contact the lens. If that
happens, raise the DC motor
unit until the shaft no longer
contacts the lens and then
engage the gears while push-
ing the DC motor unit in.
zIf gear engagement is offset
to the left or right, the shaft
will not be able to be inserted
in the shaft hole, so make
adjustments using the left
and right screw stop hole
positions as a guide.
Attention
zMake sure that screw locking agent does not enter in between gears during
attachment.
3) Fix the DC motor unit with
the xing screw (M3 x 6 mm).
zUse the screw that was re-
moved in step 3) of "Detaching
the DC motor unit" (page 7).
zTighten the screw to a torque
of 0.6 to 0.8 N·m.
Attention
zRemove the screw locking agent ap-
plied to the xing screw before use.
Fixing screw
(M3 x 6 mm)
DC motor unit
Gear on lens
side
Lower gear
on DC motor
side
Upper gear
on DC motor
side