SERVICE MANUAL
© 2008-4 PRINTED IN JAPAN
B51-8827-00
(
N
)
546
UHF DIGITAL BASE-REPEATER
NXR-800
MICROPHONE
VOLUME
COM
OFF/
POWERCTRL OCXO BUSY TX
12
MON
TAKE
OVER
RPT
DISABLE
ABC
345678
ST ATUS
TEST/SPKR
RX TX
CONTROL I/O
SYNC
12
LAN REF OUT REF IN
FUSE
75
DC 13.8V
Badge
(B43-1188-04)
Main panel
(A62-1142-02)
Knob (VOL)
(K29-4539-04)
Lead wire with
connector (DSUB-9P)
(E37-1311-05)
Lead wire with
connector (DSUB-25P)
(E37-1310-05)
Lead wire with
connector (BNC-RX)
(E37-1307-05)
Lead wire with
connector (ACC15)
(E37-1313-05)
Lead wire with
connector (BNC-REF.)
(E37-1304-05)x2
Modular jack
(E58-0526-05)
RF coaxial
receptacle (BNC)
(E04-0463-05)
Fanmotor
(F09-0488-05)
DC cord
(E30-7581-05)
Blade fuse
(F05-7521-05)
Cover (Fan)
(F07-1930-05)
Modular jack
(E58-0516-05)
Modular jack
(E58-0533-05)x2
SUPPLEMENT
This NXR-800 (K, K2) service manual contains a number of sections which differ
from the service manual (B51-8795-00) for the NXR-800 (K).
For items other than those in this NXR-800 (K, K2) service manual please refer to
the service manual (B51-8795-00) for the NXR-800 (K).
This product uses Lead Free solder.
This product complies with the
RoHS
directive for the European market.
CONTENTS
GENERAL ........................................................... 2
SYSTEM SET-UP ............................................... 3
REALIGNMENT ................................................. 3
INSTALLATION .................................................. 5
CIRCUIT DESCRIPTION .................................... 6
PARTS LIST ....................................................... 8
EXPLODED VIEW ............................................ 38
PACKING .......................................................... 40
TROUBLE SHOOTING .................................... 41
ADJUSTMENT ................................................ 49
PC BOARD ....................................................... 60
BLOCK DIAGRAM ........................................... 82
INTERCONNECTION DIAGRAM .................... 86
SCHEMATIC DIAGRAM .................................. 90
OPTIONAL ACCESSORIES ........................... 114
SPECIFICATIONS ......................... BACK COVER
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