54
6.3
FUSE/CIRCUIT BOARD REPLACEMENT
6.3.1
Removing the casing (Preparation for fuse/circuit board replacement)
WARNING
The power switch on the power distribution panel must be turned off during
disassembly of the equipment. Failure to observe this warning could cause
electrical shock and/or malfunction.
CAUTION
Wiring must be disconnected from the terminal board during disassembly of
the equipment. Failure to observe this caution could cause electrical shock
and/or malfunction.
The procedure for removing the case is as follows:
(1) Turn power off.
(2) Cut off power to the receiver by turning off the power switch on the power distribution panel.
(3) Remove screws 1 and 2 and then remove the rear cover.
(4) Disconnect the wiring from the terminal board on the rear panel of the equipment.
(5) Remove screws 4 , 5 , 6 , and
7 .
(6) Holding both sides of the casing, press terminal strip 9
with the thumb, and lift off the
casing.
Summary of Contents for NCR-330
Page 1: ...NCR 330 NAVTEX RECEIVER INSTRUCTION MANUAL...
Page 7: ...vi EXTERNAL VIEW OF EQUIPMENT...
Page 14: ...3 1 4 STRUCTURE Unit mm External diagram of the NCR 330 NAVTEX Receiver...
Page 16: ...5 1 5 OVERALL FLOW CHART DIAGRAM Overall Flow Chart Diagram of the NCR 330 NAVTEX Receiver...
Page 17: ...6 Overall Flow Chart Diagram of the NAW 330 NAVTEX Antenna...
Page 21: ...10 2 2 REAR PANEL View of the equipment with rear cover removed...
Page 23: ...12...
Page 31: ...20 Fig 3 5 2 Wiring the rear terminal board Only when the power unit is to be used...
Page 33: ...22 Fig 3 6 2 Wiring the rear terminal board Only when battery power is to be used...
Page 66: ...55 Fig 6 3 Removing the casing...
Page 72: ...61...
