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Marine Radar
FR-2155
Furuno FR-2155 User Manual
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3-14
Location of Parts on Pow
er Sup
ply Board (03P6667)
T
est point and
Ratings
TP No.
S
ign
a
l
Rat
i
ng
Condi
t
ion
J2 #1(+12
V)
#3(GND)
+12 V
1
1.
9 to
12.1 V
, adj
ust
e
d by
V
R1
J2 #2(-12 V
)
#3(GND)
-12 V
-1
1.7 to -12.3
V
TP1
+24 V
20 to 42 V
TP2
GND
TP3
+10 V
8
.5
to
1
1.5 V
TP4
Swi
tching Freq
.
72 to 108 k
Hz
ST-BY
, 0.
25NM
!
In
put V
oltage (
100/1
10/1
15V
AC): 90 to
128 V
AC
VR1
J2
TP3
TP2
TP1
69
71
Table of Contents
Default Chapter
6
Table of Contents
6
Chapter1. GENERAL
9
Outline
9
Boards & Major Components
10
Scanner Unit
11
Specifications
12
Display Unit
13
Chapter 2. BLOCK DESCRIPTION
15
Overview
15
Block Diagram of Display Unit
17
Function of each Board (Display Unit)
18
Start-Up Sequence
20
Block Diagram of SPU Board
22
Video Signal Flow
23
Block Diagram of SPU Board (Video Amplifier)
24
Auto Tuning Function
25
Tuning Indication
26
Manual Tuning
26
Tuning Circuit
26
Echo Averaging (EAV 1/2/3)
27
Echo Stretch 1/2 and Enhanced Video
28
Memories & Memory Frame Priority
29
Antenna On/Off Control
30
Check of ARP and RP Board Connection
31
Vs. ARP-26
31
Simple ARPA Block Diagram
32
ARPA Block Diagram
33
ARPA Target Acquisition and Tracking
34
ARPA Land Discrimination
34
Arpa Initial Setting Menu
35
Block Diagram of RP Board
38
INPUT/OUTPUT Data on INT Board (03P9252)
39
Sentences Receivable at J450 on INT-9170
40
Radar and ARPA Output Signal from INT-9170
41
Monitor Signal from J449
42
Power Supply Circuit (AC)
43
Scanner Unit
45
Block Diagram of if AMP Board (03P6734)
46
Block Diagram of if MD Board (03P6666)
47
Block Diagram of PF Board (03P6668/03P6669)
49
BEARING SIG GEN Board (MP-3795)
52
Power Supply Unit (PSU-001)
53
TX-HV Power Supply (03P6680/03P6810)
54
Power Supply (03P6667)
55
Power Supply Unit (PSU-004)
56
Chapter 3. ADJUSTMENT
57
Adjustment (Display Unit)
58
Location of Major Parts
58
Adjustment of CRT
61
Location of Parts on SPU Board (03P9253)
63
Location of Parts on ARP Board (18P9002)
64
Location of Parts on RP Board (14P0298)
65
Location of Parts on INT Board (03P9252)
66
Location of Parts on GYRO Board (64P1106)
67
Location of Parts on Power Supply Unit (PSU-001)
69
Location of Parts on Power Supply Board (03P6667)
70
Location of Parts on INT Board (03P9003)
71
Location of Parts on TX-HV Power Supply Board (1)(03P6810)
72
Location of Parts on TX-HV Power Supply Board (2)(03P6680)
73
Location of Parts on Power Supply Unit (PSU-004)
74
Adjustment (Scanner Unit)
75
Location of Parts on Scanner Unit (RSB-0049/0050)
75
Location of Parts on RF Unit (RTR-030)
76
Location of Parts on Modulator Board (03P6666C)
77
Location of Parts on if AMP Board (03P6734C)
78
Location of Parts on INT Board (03P9004)
79
Location of Parts on PFN (1) Board (03P6668)
80
Location of Parts on PFN (2) Board (03P6669)
81
Chapter 4. MAINTENANCE
82
Dip Switches
83
Jumper Settings
84
LED Status
85
Self-Test
88
Keyboard Test
89
Notice on Replacing Major Parts
90
Program Numbers
91
How to Update System Program
91
Chapter 5. TROUBLESHOOTING
93
Outline
93
Error Message
93
Troubleshooting Flow Charts
93
Schematic Diagrams
120
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Furuno FR-2155 Specifications
General
Brand
Furuno
Model
FR-2155
Category
Marine Radar
Language
English
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