5-6
Symptom Possible Causes Troubleshooting Measures
Data is not shared.
The baud rate is different. Check the RS-485 or Daisy-chain bit
rate. (Daisy-chain is only MID.)
Output sentence is not selected. Check the RS-485 output sentence.
The cable is disconnected. Check the RS-485 or Daisy-chain
connection. (Daisy-chain is only MID.)
5.3.2 Repair Unit
Repair units and their models are shown below.
No Name Model Notes
1 DSP UNIT CMJ-562
2 POWER UNIT CMP-490
3 LCD UNIT CCN-423
FUSE
No Name Model Notes
1 FUSE
MF60NR
250V 1
for Data power cable
1A FUSE
Mechanical Parts
No Name Code Notes
1 FRONT PANEL KIT MPBC47673
FRONT PANEL
PRODUCT NAMEPLATE
JLR-4341
No Name Code Notes
1 Beacon Antenna CAW-1 For JLR-4341 DGPS Sensor
2 Beacon Controller CMA-920 For JLR-4341 DGPS Sensor
5.3.3 Regular Replacement Parts
Parts which should be regularly replaced are shown below.
Contact JRC or an affiliate to order.
NWZ-4610
No Name Model Life Notes
1 LCD UNIT CCN-423 40000 hours
Approximately 5 years of
continuous use
JLR-4341
No Name Model Life Notes
1
Lithium Battery
(Inside JLR-4341
DGPS Sensor)
CR2354-1VC
Approximately
5 years
Reception is possible even without
battery power.
(It will take 30 to 60 seconds
longer to fix the position)
2
Radome Kit
(JLR-4341 DGPS
Sensor Radome
and Packing)
MPAE30534
Battery
replacement
Opening the radome decreases
waterproofing effectiveness, so
replace the radome and packing
as well as when performing battery
replacement.
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