Fs-2575 Power Supply Circuit Diagram; Fs-1575 Power Supply Circuit Diagram - Furuno FS-1575 Service Manual

2. FS-2575 Power supply circuit diagram

P-SW
05P0871
Q1 - 4
TB1 F1: 40A
TB2
RT1
CR4
3A
CR3
Over V
R4 R5
CR5, 6
+
-
Vref U2
-
+
Low V
Fig. 7.7.2 FS-2575 Power Supply Circuit Block Diagram

3. FS-1575 Power supply circuit diagram

P-SW
05P0871
Q1 - 4
TB1 F1: 40A
TB2
CR4
CR3
Over V
R4 R5
CR5, 6
Vref
+
Fig. 7.7.3 FS-1575 Power Supply Circuit Block Diagram
CONFIDENTIAL (internal use only)
This confidential document is used only by FURUNO authorized persons.
It is strictly prohibited to reproduce the document in whole or in part without prior written permission of FURUNO.
J1
U1
24V
3A
Q5, CR7
12V
RT2 24V
AVR
OV
5 4 2 3 1
J8
PA-IF
J1
U1
RT1
3A 3A
Q5, CR7
12V
RT2
AVR
+
-
U2
-
Low V
OV
5 4 2 3 1
J8
PA-IF
SW REG
05P0873
TB3
TB1
24V
TB4
TB2
J2
J3
PWR
05P0874
J1
24V
U1:
GND 2
15V SW Reg.
0V
TB3
TB4
J2
24V
J3
24V
PWR
05P0874
J1
24V
U1:
GND 2
15V SW Reg.
0V
7-69
7.7 Power Supply
F1: 20A
1-3 42V
U1:
18V SW Reg.
24V
4
5-7 0V
J2
1 15V
2
GND
3
5V
U2:
5V SW Reg.
4 GND
J2
1 15V
2
GND
3
5V
U2:
5V SW Reg.
4 GND
J4
42V
PA
J6
24V
DRV
J7
15, 5V
PA-IF
J2
24V
PA
J7
15, 5V
PA-IF