Furuno FAR-2827 Service Manual

6.3 LED Check
6-25
3. PWR board
Table 6.3.3 LEDs on PWR board
Board
Part
number
Normal
status
Function
CR63
(MTR)
OFF
Lights on when the over-current of antenna motor power
supply (+24 VDC) is detected. Restart the power to reset.
Note:
Since the antenna motor of S-band radar is of AC motor
type, +24 VDC antenna motor power supply is not used.
CR64 (RF) OFF
Lights on when 4 to 5A, over-current of power supply for
TR unit (+24 VDC), is detected. Restart the power to reset.
CR65
(Tx-HV)
OFF
Lights on when 5 to 7A, over-current of Tx-HV power
supply (+24 VDC), is detected. Restart the power to reset.
The TX-HV board also has an over-current protection
circuit.
PWR (AC)
(03P9339)
and
PWR (DC)
(03P9338)
CR23
(IN ER)
OFF
The LED is turned on when input over/low voltage is
detected. Operation is restarted when the voltage comes
back to the specified voltage range.
AC type
Protection
100 VAC 220 VAC
DC type
Over
voltage
141 to
147
VA C
282 to
294 VAC
34 to
38 VDC
Low
voltage
70 to
80 VAC
148 to
170 VAC
- 24 VDC Spc.
13 to 17 VDC
- 12 VDC Spc.
7.3 to 8.5
VDC

Furuno FAR-2827 Specifications

General

Brand	Furuno
Model	FAR-2827
Category	Marine Radar
Language	English