NXR-901
78
2. Replacing Control Unit
2-1. Control Unit Information
Original Control
Unit
Control Unit
(Service Unit)
Difference between original
unit and Service Unit
X53-4132-71
X53-4132-72
Mounted chip at 2-72 location
for Service Unit.
X53-4140-10
X53-4140-11
Mounted chip at 0-11 location
for Service Unit.
2-2. Supplied Accessories
Item (Including Part Number)
Quantity
X53-413
X53-414
Control Unit (X53-413)
1
-
Control Unit (X53-414)
-
1
Kenwood ESN Label
-
2
NXDN ESN Label
-
1
Addendum (B59-2536-XX)
1
1
2-3. Printed Circuit Board Data
The following data is written on the printed circuit board:
Data Type
Description
Firmware
NXR-700/800/900/901 Firmware
FPU Data
(PC programming mode)
NXR-700 K type data.
Various Adjustment Data
(PC test mode)
General adjustment values for the
NXR-700/800/900/901.
Kenwood ESN
(X53-414 only)
Model Name: NXR-700/800S
Type: K
The same number as the Kenwood
ESN label is written.
NXDN ESN (X53-414 only)
The same number as the NXDN ESN
label is written.
Cut-off Line
Kenwood ESN Label
Kenwood ESN Label
Kenwood ESN Label
Side View
Rear View
NXDN ESN Label (12 digits)
Note: For the X53-414, a UPC code and UPC barcode is
not printed on the Kenwood ESN Label. If necessary, cut
the label at the cut-off line and attach only the serial number.
2-4. After Changing the PCB
1. After changing the printed circuit board, write the up-
to-date Firmware following the instructions in the “RE-
ALIGNMENT 4. Firmware Programming Mode”.
2. Using the KPG-109D, select your desired item (Model
Name and Frequency) from the Model > Product Infor-
mation menu, then use Program > Write Data to the re-
peater to write the FPU data (PC Programming mode).
When writing to the repeater, a Warning Message, cor-
responding to the item selected, appears. Click [OK] to
continue writing the data.
3. Turn the transceiver power ON again after turning the
transceiver power OFF.
4. Enter Program > Test mode, then adjust the various ad-
justment data (PC Test mode) as described in the “AD-
JUSTMENT”.
5. For the X53-414, attach the new labels corresponding to
the new printed circuit board. (Refer to the images below
for label placement.)
6. If necessary, write the FPU data used by the customer
with the KPG-109D or KPG-110SM.
Note:
• When a new printed circuit board is used, the Kenwood
ESN changes, as does the Repeater Information display
of the KPG-109D, but this does not have any effect on
the operation of the transceiver.
• If changing to the original Kenwood ESN and NXDN
ESN, please contact our service center.
• Re-installing other parts from original unit to Service unit
is not required after changing to Service unit.
TROUBLE SHOOTING
Summary of Contents for NEXEDGE NXR-901
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