3. Preventative maintenance actions
No.
Component
Maintenance action Remarks
15 Electrical
connections
Check the torque values/general c ondition of all critical electrical
connections and components. Use a torque wrench to verify the
torque values of the critical electrical connections listed:
• Nuts (x2) of the SPG socket inside the lam p house: 9 Nm.
• Cathode c able nut for the lamp cathode socket: 17Nm
• Hexagon socket head cap screw at the lamp cathode socket
:2,5Nm.
• Nuts (x4) of the LAMP OUT ports of the LPS unit: 4 Nm
Do not release the nuts to check the
torque. Just verify.
16 Lamp Module
Check the U V blocker of the lamp house for dust, burn damage,
degradation, cracks, etc. Note that in case of a passive 3D
projection system the UV blocker has an adapted 3D coating.
Only clean the UV blocker in case dust
is clearly visible upon the surface of the
UV blocker (both sides). See page 122.
Replace the UV blocker in case of burn
damage, degradation, cracks, etc.
17 Lamp Module Check t he reflector of the lamp house for dust, degr adation,
cracks , et c.
Only c lean the reflector in case dust
is clearly visible upon the surface of
the reflector. Take the lamp hous e to
another room and use compre ssed air
to blow away the dust from the reflec tor.
See page 122.
Replace the reflector in c ase of burn
damage, degr adation, cracks, etc. See
"Replacement o f the lamp reflector",
page 118.
18 Lamp Module Visual inspection of the lamp anode and cathode conn ectors of
the lam p house.
Replace the lamp house in case
of degradation, damage, etc. S ee
"Removal of the lamp house", page 96.
19 Lamp Module Visual inspection of the lamp ano de and c athode cables of the
lamp house.
Replace the lamp house in case
of degradation, damage, etc. S ee
"Removal of the lamp house", page 96.
20 Lamp Module Check motors (m otorized lam p house) and manua l adjustments.
Lubricate if needed.
21 Lamp Module Check the positional integrity of automatic lamp alignment/CLO. Perform auto alignment. Manual
adjustment afterwards should not
improve light output.
22 Lens holder
Check the lens holder shift functionality (up/down & left/right).
Lubricate wh ere needed.
Use the local keypad and the
Communicator software to shift.
23 Lens holder
Check the positional integrity of motorized adjustments by
switching Ma cro’s.
Verify correct alignment on sc reen
between flat and s cope.
24 Lens holder
Check the focus uniformity. Adjust the lens holder (Scheimpflug)
ONLY if ne eded. See "Scheimpflug
adjustment", page 192.
25
Lens
Check the optic surfaces of the le
ns input and output for dust.
Only clean the input and/or outpu
tside
in c ase dust is clearly visible upon the
surfaces. U se an optical cloth. Note
that a lens removal requires
a hom e
and return action. See user guide of
the Com m unicator software.
26
Lens
Check the lens Zoom & Focus motors. Use the local keypad and th
e
Communicator software to Zoom and
to Focus.
27 Sh utter
(Dowser)
Check the functionality of the Dowser (shutter). Loos e
components, wear and tear.
Use the local keypa
d and the
Communicator software to Open and
Close the shutter.
Replace the dowser (shutter) if n eeded.
See "Replace ment of the dowser
(shutter)", page 152.
28 Electronic
boards
Check the general condition of the electronic boards: Status
LED’s, dust, connections, etc.
Boards to chec k: LPS , SMPS, Fan Control B oard, ICP Board,
Cinema Controller Board, HD-S DI Board
Blow out dust.
29 Security Check the Tamper Sw itch Activation Report and S ecurity Logs for
security infringements.
Report if intruded.
30 Security Verify if the D allas key is present and working. Report if m issing, lost or damaged.
24 R5905043 DP2K-12C/11CX 19/02/2018
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