NRI—Fault finding
270 NGT Transceiver System Technical Service Manual
PCB and unit replacement
NGT remote interface
The NRI is repairable by PCB replacement only. To determine that the NRI is the unit at
fault, or to find the faulty PCB, see page 277, Test procedures.
Line modem and switchmode power supply
The line modem and power supply are not repairable. The complete unit must be
replaced if it is faulty.
Other units
For details on the repair and replacement of other units in a remote control NGT system
see page 145, NGT—Checks and adjustments.
PCBs and units available as replacements
The replacement PCBs and units available from Codan are listed in Table 5.
Table 5: Replacement PCBs and units for the NRI
PCB or unit Part number
Panel, Rear Assembly 08-05865-001
NRI Microcontroller PCB 08-05854-001
Final Assembly, NRI 08-05864-001
Line modem 78-13016
Switchmode power supply 78-16019
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