Service Instructions
Confidential and Proprietary
SM-30-0030-A02
Order No. -
20 / 27
Version 07, 2015-12-03
7
Halogen lamp housing
7.1
Opening the illumination unit
Opening:
1)
Remove the lamp slide-in module.
2)
Disconnect the light guide.
3)
Remove the camera control unit, if necessary.
4)
Remove four Phillips screws (
1
) and two hex
socket head screws (
2
).
5)
Remove the halves of the housing: press the
power switch slightly inward and make sure you
do not damage or lose the release button for
the lamp module when removing the other half
of the housing.
Mounting:
1)
Insert the release button for the lamp module in
the housing and re-attach the halves of the
housing, making sure that the release button is
correctly positioned.
Fig. 35: Remove the lamp slide-in module
2)
Align the halves of the housing with each other and screw them together using screws (
1 + 2
).
3)
Insert the lamp module and check that it is smoothly ejected. If necessary, loosen the halves of the
housing and re-align them.
4)
If provided, re-install the camera control unit.
5)
Connect the light guide.
7.2
Checking and adjusting the maximum lamp voltage
1)
Turn the brightness potentiometer on the
suspension arm ccw as far as it will go.
2)
Move the suspension arm downward until the
inclination switch is activated.
3)
Set the measuring range of the
True-RMS
voltmeter
to 20 or 25V AC.
4)
Connect the voltmeter to X17 and X18
terminals (
3 + 4
).
5)
Switch on the power switch.
6)
Turn the brightness potentiometer slowly cw as
far as it will go. The maximum lamp voltage
must be 12.4 +0V / –0.3V under load with the
halogen lamp.
7)
If the voltage deviates from this value, use R 13
potentiometer (
5
) to adjust the voltage
to 12.4 –0.1V.
Fig. 36: Check, adjust the lamp voltage
Caution
Do not exceed 12.5 V during the adjusting procedure.
8)
Re-install the dummy cover or camera control unit (
9)
If provided, connect video cable and secure plug with locking screws.
2
1
3
5
4
