45
Removing the KRX3A Module
You can remove the KRX3A Module by reversing the steps under Installing the KRX3A Sub Receiver Module,
above. It is not necessary to remove the Auxiliary DSP or the Auxiliary KSYN3A synthesizer boards to operate
the K3 without the sub receiver module in place, however, leave the KRX3A enabled in the MENU even though
you will see error messages relating to the missing KRX3A module when you switch POWER on. Tap
DISPLAY to clear the error messages.
If you plan to apply power or operate the K3 with the sub receiver module removed, do the following.
Remove all the TMP cables that connect to the KRX3A module so their metal connectors cannot create
shorts by touching solder pads or other components inside the K3. If you have installed the AUX RF connector
and cable (see Installing the Auxiliary KRX3A Antenna Input Via the Rear Panel BNC Connector, page 27) it
cannot be easily removed. Carefully insulate the TMP connector, covering all of the metal parts with electrical
tape or other suitable material that you can remove easily later. Recommend you coil and secure the cable to the
rear panel or, if the KAT3 is installed, tape the cable to the KPA3 shield.
Replace jumper W4 in the connector shown in Figure 45. Be sure to put the jumper on the pins shown.
The main K3 receiver will not work until this jumper is installed.
CAUTION
Failure to remove the loose TMP cables as described above may result in short circuits and
extensive damage to your K3 when power is applied. If you have the TMP cable connecting
to the AUX RF connector on the rear panel, insulate the connector completely. Electrical
tape is a good choice. Tape the fully insulated connector end to the back panel or, (if a
KPA3 is installed) the KPA3 shield so it can’t bang around inside the K3.
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