Basic Service
19
Replacing fuses
Power supply fuses
The fuses for each of the 3 low-voltage power supplies are located on the printed circuit board. If one of the circuit
board LEDs does not light, one of these fuses may be blown.
1.
Disconnect the fixture from AC power. Remove the 2 Philips screws from the plastic cover on the arm oppo-
site the side with the visible motor and pull off the cover.
2.
Locate and replace the defective fuse with one of the same rating. The fuses are shown on the PCB
layout diagram; their values are listed on page 27.
3.
Replace the cover before applying power.
Main fuse
The main fuse holder is built in to the mains input socket. Never replace the fuse with one of a different rating!
1.
Unplug the mains cable from the input socket.
2.
Pry open the fuse holder and remove the fuse.
3.
Replace the fuse with one of the same type and rating. The fuse rating is listed on serial number
label.
4.
Close the fuse holder and replace the mains cable.
Changing the XLR pin-out
The signal polarity of pins 2 and 3 on the XLR connectors
can be reversed, allowing the fixture to be connected
directly to Martin devices wired with pin 3 cold (-).
Optionally, a phase-reversing cable may be used.
1.
Disconnect the fixture from AC power. Remove the 2
Philips screws from the plastic cover on the arm
opposite the side with the visible motor and pull off
the cover.
2.
Position the jumpers on PL 233 and PL 234 for the desired XLR pin-out as shown.
3.
Replace the cover before applying power.
Updating software
The MAC 250 and MAC 250
+
operate with the same software. Updates are available from your Martin dealer and the
Martin Professional web site. Please read the update notes included with the software. Note: the software automati-
cally defaults to the correct gobo type setting (
PERS/GTYP) in unmodified fixtures.
Normal upload
Update software is uploaded to the MAC 250 and MAC 250
+
using a Martin uploader such as the MPBB1. The
uploader is connected to the fixture just like a controller. Under normal conditions, software can be installed from a
remote location - there is no need to set the MAC 250 and MAC 250
+
to boot mode. Please refer to the uploader manual
for further instructions.
Boot mode upload
If the data is corrupted during transmission, a check-sum error (CSER) occurs and after 15 seconds the fixture
switches to boot mode (
UPLd) and is ready for a boot mode upload as described in the uploader manual.
If a software upload is interrupted, the fixture must be turned off for at least 10 seconds before a new upload can be
attempted. When powered on, a check-sum error occurs and the fixture goes into boot mode, ready for a second upload
attempt. Select boot mode upload on the uploader.
If there is no functional software in memory, the fixture must be set to boot mode manually. If the control panel works,
select
UPLd from the UTIL menu and confirm when SURE is displayed by pressing [ENTER].
DMX pin-out
PL234
PL233
Martin pin-out
PL234
PL233
Figure 10: XLR jumpers
(default)
(36 paginas)
(28 paginas)
(44 paginas)
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Comentarios a estos manuales