Furuno FR-2155, Service Manual

Page: 44 / 152

2-30
1,2 5.6
7 8
6B
.P
24 r
pm(144 Hz)
48 r
pm(250 Hz)
+140
V
+32
V
+12
V
-12
V
J101
J103
T1
A
C
PWR Boaed (03P9245)
FR2115-SME-27
4,5
+5 V
J102
Rush Current Protector Q1 Rela
y
K1
Input Filter L1,C3,C4
Smoothing Circuit Q1
CR2
Input v
o
ltage
Selector
Ship's Mains 100/110/115 220/230 V
A
C
Po
w
e
r
Switch
+12 V Regulator Q21
Ov
er -and
lo
w- V
o
ltage
Protector U1
Rela
y
Dr
iv
er
Q26
V
o
ltage
Protector Latch Q24
Switching Regulator Controller U31
Dr
iv
er
Q11,12
P
.F
. Sig.
Gener
ator
Q81,U33
V
o
ltage
Detector U51
V
o
ltage
Protector Latch Q36
Main-in
v
er
ter
+32 V CR52 +24 V
CR51
Chopper Control U92
Chopper CR94,Q97
Compar
ator
Q94
F/V Con
v
e
rter
U93
Soft Star
t
Control
Ov
ercurrent
Detector
U91
Chopper Chopper Control
Dr
iv
er
Q71,72
Shor
t-circuit
Protector U72
Switching Regulator Controller U71
T71
Sub-in
v
e
rter
High V
o
ltage
Sig.
Lo
w V
o
ltage
Sig.
5
ANT
.SPEED
Men
u-Selection
Hight Speed :
H
J103
7
ANT
. ON/OFF
TX :
H
ST
-BY :
L
J103
1,2 3,4
MO
T
OR(+)
MO
T
OR(-)
J103 J105
10
P.
F
J105
VR1 (Main-in
v
er
ter
freq adjustor)
VR51 (+24 V
adjustor)
VR71 (Sub-in
v
er
ter freq adjustor)
CR81~86
VR91 (24 r
p
m adjustor)
U61,CR61
ON:
+12
V
ON:
+12
V
110 or 220
V
A
C
H or L
Ov
ercurrent
Detector U81
+24 V
1
J107