SERVICE MANUAL
COPYRIGHT © 2014 JVC KENWOOD Corporation
No.RA011<Rev.001>
2014/5
B5B-7127-00
UHF DIGITAL TRANSCEIVER
RA011<Rev.001>
2014
5SERVICE MANUAL
B5B-7127-00
NX-840H, NX-840H(U), NX-840
COPYRIGHT © 2014 JVC KENWOOD Corporation
Note :
Lead free solder used in the board (material : Sn, Ag, In, Bi, melting point : 227 Centigrade)
TABLE OF CONTENTS
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-29
ACC.
This product complies with the
RoHS
directive for the European market.
This product uses Lead Free solder.
Summary of Contents for NX-840
Page 30: ...MEMO ...
Page 40: ...MEMO ...
Page 53: ...MEMO ...
Page 54: ... No RA011 Rev 001 VSE Printed in Japan JVC KENWOOD Corporation Communications Equipment Div ...
