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This product uses Lead Free solder.
This product complies with the RoHS directive for the European market.
SERVICE MANUAL
© 2008-4 PRINTED IN JA PAN
B51-8823-00
(
N
)
446
NX-800/800H
UHF DIGITAL TRANSCEIVER
GENERAL .....................................................2
SYSTEM SET-UP .........................................4
REALIGNMENT ...........................................5
INSTALLATION ............................................7
DISASSEMBLY FOR REPAIR ....................14
CIRCUIT DESCRIPTION ............................17
COMPONENTS DESCRIPTION .................23
PARTS LIST ...............................................26
EXPLODED VIEW ......................................39
PACKING ....................................................40
TROUBLE SHOOTING ..............................41
ADJUSTMENT ..........................................44
TERMINAL FUNCTION .............................62
PC BOARD
DISPLAY UNIT (X54-3640-10) ...............72
TX-RX UNIT (X57-7390-XX) (A/2) ........74
TX-RX UNIT (X57-7390-XX) (B/2) ........78
INTERCONNECTION DIAGRAM ..............79
SCHEMATIC DIAGRAM ............................80
BLOCK DIAGRAM .....................................98
LEVEL DIAGRAM ....................................100
SPECIFICATIONS ...................BACK COVER
Panel assy
(A62-1162-03)
Key top
(K29-9401-03)
Cover
(A01-2194-11)
Microphone
(T91-0639-35)
CONTENTS