VX150 TO VX2 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS
PAGE 3.1.40 VERSION 2.0 2023-04-20
Analog Audio PWB Replacement
NOTE:
The USB provided with the transmitter contains videos (mp4 format) that support the
replacement procedures in this section. Go to the USB’s HOME screen and click VIDEOS. Videos for
replacing LRUs are listed in the Maintenance section.
See MD-1or MD-2 and MD-3 in the Mechanical Drawings section of this manual.
1. Turn RF off and disconnect ac power from the transmitter.
2. If applicable, remove and retain the four screws securing the transmitter in the rack.
3. Place the transmitter on a suitable workbench.
4. Remove and retain the 21 M3 screws securing the top cover. Remove cover.
5. Disconnect ribbon cable from J5 of the Analog Audio PWB.
6. Remove and retain the two M3 screws securing the Analog Audio PWB.
7. Obtain the push lever removal tool (Nautel Part # HAS78, found in the ancillary kit).
8. From the rear of the transmitter, remove and retain the two silver push button connector lock
(“push” lever) from the AES/EBU XLR connectors. Follow the manufacturer's instructions in
Figure 3.1.7 on page 3.1.41 to remove the push button. You will need access to the front and rear
of the receptacle to remove it by pressing on the lock button while pressing the lock outwards from
inside the transmitter using the push lever removal tool.
CAUTION! The Analog Audio PWB is static sensitive and must be handled in a
static protected manner.
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