Kenwood NX-3720, Service Manual

Page: 165 / 210

(No.RA054<Rev.001>)1-165
5.4 Replacing TX-RX Unit
 TX-RX unit Information
 Method of confirming “Original TX-RX unit” and “Service
TX-RX unit”
 Supplied Accessories of “Service TX-RX unit”
 “Service TX-RX unit” Data
The following data is written on the service unit:
 After Changing the PCB
(1) After changing the printed circuit board, write the up-to-
date Firmware following the instructions in the “2.2
REALIGNMENT - 2.2.6 Firmware Programming Mode”.
• Write the Firmware in accordance to the Market. If you
write different Market Firmware, there are times
communication with the FPU is not possible.
(2) Using the KPG-D3/D3N, select your desired item (Model
Name) from the Radio Configuration> Product
Information menu, then use Read/ Write > Write
Configuration to the Transceiver to write the FPU data
(PC Programming mode). When writing to the
transceiver, a Warning Message, corresponding to the
item selected, appears. Click [OK] to continue writing the
data.
(3) Tools > Test/Tuning, then adjust the various adjustment
data (PC Test Mode) as described in the “SECTION 4
ADJUSTMENT”.
(4) Attach the new labels corresponding to the new printed
circuit board. (Refer to the images below for label
placement.)
(5) If necessary, write the FPU data used by the customer
with the KPG-D3/D3N.
Model Name Original TX-RX
unit Number
For Service TX-RX
unit Number
NX-3720H(G)/3720H
(K) XC1-182K-00 XCA-033K-00
NX-3720(G)/3720
(E) XC1-182K-00 XCA-033E-01
NX-3820H(G)/3820H
(K) XC1-183K-00 XCA-034K-00
NX-3820H(G)/3820H
(K2) XC1-183K-01 XCA-034K-01
NX-3820(G)/3820
(E) XC1-183K-01 XCA-034E-01
Model Name Marking seal
NX-3720H(G)/3720H
(K) XCA-033K-00
NX-3720(G)/3720
(E) XCA-033E-01
NX-3820H(G)/3820H
(K) XCA-034K-00
NX-3820H(G)/3820H
(K2) XCA-034K-01
NX-3820(G)/3820
(E) XCA-034E-01
Item (Including Parts Number) Quantity
TX-RX Unit (XC1-182, XC1-183) 1
KENWOOD ESN/ NXDN ESN/ Product
Number/ MPT ESN Label 1
The following marking seals are affixed on the shield cover
of the service TX-RX unit (XCA-033K-00/XCA-033E-01/
XCA-034K-00/XCA-034K-01/XCA-034E-01).
Data Type Desctiption
KENWOOD ESN NX-3720, NX-3720H
Model name: [XCA-033]
NX-3720S (K, E)
Type:K, E
The same number as the KENWOOD
ESN label is written.
NX-3820, NX-3820H
Model name: [XCA-034]
NX-3820S (K, K2, E)
Type:K, K2, E
The same number as the KENWOOD
ESN label is written.
NXDN ESN/ MPT ESN/
Product number The same number as the NXDN ESN/
MPT ESN/ Pruduct Number label is
written.