SERVICE MANUAL
This product uses Lead Free solder.
This product complies with the
RoHS
directive for the European market.
This service manual has been revised due to the modifi cation of the PC board. Refer to "Service Manual List" on page 2 for the product serial
number corresponding to each PC board (Control, TX-RX). Refer to the NX-200 service manual (B51-8810-00) for any information which has
not been covered in this NX-200 service manual.
© 2009-1 PRINTED IN JA PAN
B51-8810-10 (N) 645
NX-200
VHF DIGITAL TRANSCEIVER
MIC
1
2
ABC
5
JKL
0
8
TUV
4
7
GHI
PQRS
3
DEF
6
MN
O
MIC
#
9
WXY
Z
Knob (Selector)
(K29-9408-13)
Knob (Selector)
(K29-9408-13)
Knob (Volume)
(K29-9407-03)
Knob (Volume)
(K29-9407-03)
Helical Antenna
(KRA-22: option)
Badge
(B43-1606-04)
Badge
(B43-1606-04)
Knob (PTT)
(K29-9405-03)
Knob (PTT)
(K29-9405-03)
Plastic cabinet assy
(18 key)
(A02-4003-23)
Plastic cabinet assy
(6 key)
(A02-4002-23)
Packing (6 key)
(G53-1765-11)
Packing (18 key)
(G53-1766-11)
GENERAL ................................................................... 2
SYSTEM SET-UP ....................................................... 3
REALIGNMENT ......................................................... 3
INSTALLATION .......................................................... 6
DISASSEMBLY FOR REPAIR .................................... 7
CIRCUIT DESCRIPTION .......................................... 12
COMPONENTS DESCRIPTION ............................... 18
PARTS LIST ............................................................. 20
EXPLODED VIEW .................................................... 31
PACKING .................................................................. 32
TROUBLE SHOOTING ............................................ 33
ADJUSTMENT ........................................................ 36
Does not come with antenna. Antenna is available
as an option.
TERMINAL FUNCTION ........................................... 58
PC BOARD
CONTROL UNIT (X53-4260-XX) ........................ 66
TX-RX UNIT (X57-7360-10) ............................... 70
INTERCONNECTION DIAGRAM ............................ 74
SCHEMATIC DIAGRAM .......................................... 76
BLOCK DIAGRAM .................................................. 90
LEVEL DIAGRAM ................................................... 94
OPTIONAL ACCESSORIES
KNB-47L (Li-ion Battery Pack) .......................... 95
KNB-48L (Li-ion Battery Pack) .......................... 95
SPECIFICATIONS ................................. BACK COVER
NX-200 K2
NX-200 K
CONTENTS
REVISED