Barco DP2K-12C Service Manual page 28

3. Preventative maintenance actions
No. Component
15 Electrical
connections
16 Lamp Module
17 Lamp Module
18 Lamp Module
19 Lamp Module
20 Lamp Module
21 Lamp Module
22 Lens holder
23 Lens holder
24 Lens holder
25 Lens
26 Lens
27 Shutter
(Dowser)
28 Electronic
boards
29 Security
30 Security
24
Maintenance action
Check the torque values/general condition 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 lamp house: 9 Nm.
• Cathode cable nut for the lamp cathode socket: 17Nm
• Hexagon socket head cap screw at the lamp cathode socket
: 2,5 Nm.
• Nuts (x4) of the LAMP OUT ports of the LPS unit: 4 Nm
Check the UV 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.
Check the reflector of the lamp house for dust, degradation,
cracks, etc.
Visual inspection of the lamp anode and cathode connectors of
the lamp house.
Visual inspection of the lamp anode and cathode cables of the
lamp house.
Check motors (motorized lamp house) and manual adjustments.
Lubricate if needed.
Check the positional integrity of automatic lamp alignment/CLO.
Check the lens holder shift functionality (up/down & left/right).
Lubricate where needed.
Check the positional integrity of motorized adjustments by
switching Macro's.
Check the focus uniformity.
Check the optic surfaces of the lens input and output for dust.
Check the lens Zoom & Focus motors.
Check the functionality of the Dowser (shutter). Loose
components, wear and tear.
Check the general condition of the electronic boards: Status
LED's, dust, connections, etc.
Boards to check: LPS, SMPS, Fan Control Board, ICP Board,
Cinema Controller Board, HD-SDI Board
Check the Tamper Switch Activation Report and Security Logs for
security infringements.
Verify if the Dallas key is present and working.
Remarks
Do not release the nuts to check the
torque. Just verify.
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.
Only clean the reflector in case dust
is clearly visible upon the surface of
the reflector. Take the lamp house to
another room and use compressed air
to blow away the dust from the reflector.
See page 122.
Replace the reflector in case of burn
damage, degradation, cracks, etc. See
"Replacement of the lamp reflector",
page 118.
Replace the lamp house in case
of degradation, damage, etc. See
"Removal of the lamp house", page 96.
Replace the lamp house in case
of degradation, damage, etc. See
"Removal of the lamp house", page 96.
Perform auto alignment. Manual
adjustment afterwards should not
improve light output.
Use the local keypad and the
Communicator software to shift.
Verify correct alignment on screen
between flat and scope.
Adjust the lens holder (Scheimpflug)
ONLY if needed. See "Scheimpflug
adjustment", page 192.
Only clean the input and/or output side
in case dust is clearly visible upon the
surfaces. Use an optical cloth. Note
that a lens removal requires a home
and return action. See user guide of
the Communicator software.
Use the local keypad and the
Communicator software to Zoom and
to Focus.
Use the local keypad and the
Communicator software to Open and
Close the shutter.
Replace the dowser (shutter) if needed.
See "Replacement of the dowser
(shutter)", page 152.
Blow out dust.
Report if intruded.
Report if missing, lost or damaged.
R5905043 DP2K-12C/11CX 19/02/2018