Furuno FE-700 User manual

ECHO SOUNDER
MODEL FE-700

C
9-52, Ashihara-cho,
Nishinomiya, Japan
Telephone: [phone]
Telefax: 0798-65-4200
Your Local Agent/Dealer
All rights reserved.
PUB. No. SME-23660-A
FE-700
(MAYA)
FIRST EDITION : APR 2000
Printed in Japan

A1-1
Addenda No.1 to FE-700 service manual, Pub. No. SME-23660
How to upgrade software
Necessary tools:
1) A DOS/V compatible PC (NEC PC98 cannot be used.)
2) OS: MS-DOS/Windows 95/98
3) Interconnection cables: 80-0654 and SAP-161-101
4) New Software
Fabricate the interconnection cable between the monitor unit and the PC as below.
FE-700 PC
DATA Port MJ6P (D-SUB,9pins)
4 >- - - - - - - - - ->1>- - - - - - - - - <2
5 >- - - - - - - - - ->2> <1
6 >- - - - - - - - - ->3>- - - - - - - - - <3
7 >- - - - - - - - - ->4>- - - - - - <4
>5> <6
10 >- - - - - - - - - - >6>- - - - - - - - - <5
----<7
----<8
<9
Cable: SAP-161-101 Cable: 80-0654
1. New software supplied is a self-extracting file. Make a new file on the PC, copy a
file supplied, fe700vx.exe to the new file, then, double-click the fe700vx.exe icon.
Nine files are extracted.
Up700.bat, load600.b, load600.b96, uppg.exe, dummy.b, boot600.bin,
upboot60.bat, fe700t1.bin, update.txt
2. Copy these files to a floppy disk to execute the program from the floppy disk.
3. Connect the DATA port on the FE-700 display unit to the serial I/O port of the
PC.
4. Turn on the PC. Do not as yet turn on the FE-700.
5. Select MS-DOS prompt in the program file to run MS-DOS program.
C:¥windows> appears.
6. Insert the program disk and type A:, followed by Enter key.
A:¥> is on the screen.
7. Type up700 and press Enter key.

A1-2
8. Select baud rate “2:19200.”
“TARGET power on” comes on the PC screen.
9. Turn on the FE-700.
10. Wait for about 6 minutes.
The PC screen shows the progresses of updating. When loading of new
software is completed, “Finish version up.ted” appears on the PC screen while
the FE-700 shows normal picture.
11. Turn off the FE-700 and the PC to disconnect the cable.

2/2
C4
C29
Figure 1 C29 on MAIN board (02P6280(A) with wrong polarity
Figure 2 C4 on CONE board (02P6283) with wrong polarity

CONTENTS
General
SYSTEM CONFIGURATION...............................................1
Chapter 1. Circuit Description
1.1 GENERAL BLOCK DIAGRAM ..................................2
1.2 FUNCTION OF EACH UNIT.......................................3
1.3 POWER SUPPLY..........................................................4
1.4 TRANSMISSION CIRCUIT.........................................7
1.5 RECEIVING CIRCUIT.................................................8
1.6 DISPLAY.......................................................................9
Chapter 2. Maintenance
2.1 ADJUSTMENT.............................................................12
2.2 REPLACEMENT OF LITHIUM BATTERY................12
Chapter 3. Troubleshooting
3.1 DIAGNOSTIC TEST ....................................................13
3.2 CLEARING THE MEMORY........................................15
3.3 ALARM AND ERROR MESSAGE.............................15
3.4 INSPECTION OF EACH BOARD...............................16
Chapter 4. Parts Location
4.1 DISPLAY UNIT ............................................................18
4.2 DISTRIBUTION BOX..................................................23
4.3 MATCHING BOX.........................................................24
4.4 SWITCH BOX...............................................................25
Chapter 5. Digital interface (IEC 61162-1)
5.1 I/O SENTENCES..........................................................26
5.2 SENTENCE DESCRIPTION........................................26
PARTS LIST........................................................................30
Exploded View..................................................................D-1
Electrical Parts List.......................................................E-1
Schematic Diagram.......................................................S-1

1
SYSTEM CONFIGURATION
The FE-700 consists of Display Unit ( FE701 ) , Distribution Box ( FE702 ), Transducer
Switching Box ( EX-8 ) and Matching Box ( MB-502/MB-504 ). The Switching Box and
Matching Box connected to switching box are supplied optionally.
TRANSDUCER
DISTRIBUTION
BOX
FE-702
DISPLAY UNIT
FE-701
JUNCTION BOX
JIS F8821-1
MATCHING BOX MB-502 (f r 50B-6B)
MB-504 (f r 200B-8B)
JB JB
IEC 61162-1
EIA-232C
IEC 61162-1 Navigation Device
Navigation Device
Personal Computer
IEC 61162-1
JB
T ANSDUCE SWITCH BOX
EX-8
DIGITAL DEPTH INDICATO
FE-720
CONTACT CLOSU E BUZZE
: Standard Supply
Ship’s mains
100-115 VAC/200-230 VAC
or
24 VDC
: Optional Supply
General

2
1.1 GENERAL BLOCK DIAGRAM
Figure 1.1 General Block Diagram
Chapter 1. Circuit Description
Filter Switching Power Supply
+100 V
Transmitter
Receiver
Receiver
J1
J3
Selector
TX0-M/TX1-N
ASIG
G IN
OPC
+12 V
+9 V
15 V
+5 V
GND
FREQ
D/ Converter
200 KHz
50 kHz
CPU
Gate rray
LCD I/F
Inverter
+9 V
DR M
Flash ROM
RTC
SR M
Flash ROM
RS232C
LCD Unit EDTCA14QCF
Photo Cupler
Panel Boar PNL( 02P6250 )
MEM ( 02P6282 )
CONTRUST
M IN Board ( 02P6280 )
NLG Board ( 02P6281 )
DISTRIBUTION BOX FE-702
J3
J4
DISPL Y UNIT FE701
1 2 3 1
3 5
1 2 3
TB2
4
5
1
2
3
TB4
CONE Boar ( 02P6283 )
1 3
1 2
1 3
Fuse Fuse
Fuse
1 3
TB6
TB5 J2
J3
S1
RS422
J1
J1
J2
21 21
25 25
22 22
27 27 29 30
29 30
11
12
13
14
15 34 5
Ship’s Main 100/115/200/230 V C
Ship’s Main 24 VDC
M TCHING BOX
Transducer
Filter

3
1.2 FUNCTION OF EACH UNIT
Display Unit (FE-701 )
Board/Unit Functions
MAIN Board
(02P6280) 1) Processes depth signal by the CPU and the gate array, and converts them
into the video signal.
2) Receives panel signal.
3) Detects the depth.
4) Generates the "SHALLOW DEPTH ALARM".
5) Includes a LCD I/F and an inverter for LCD backlighting.
6) Communicates with external equipment in IEC61162-1 and RS232C data
format.
ANLG Board
(02P6281) Consists of a power circuit, a depth sounder circuit and an interface circuit.
PNL Board
(02P6250) Consists of keys, rotary switches, VRs, LEDs for panel illumination and a
buzzer.
MEM Board
(02P6282) 1) Memorizes the depth and time for 24 hours. 2) Contains a backup battery and a clock circuit.
Color Display
(EDTCA14QCF) Consists of an LCD and a cold cathode tube for LCD backlighting.
Distribution Box (FE-702 )
Board/Unit Functions
CONE Board 1) Interfaces the I/O signal between the Display Unit and External Unit.
2) Converts 100/115/200/230 VAC to 24 VDC for the Display Unit.
Matching Box (MB-502/MB-504 )
Matches impedance between transmitter/receiver and transducer.
Transducer Switching Box ( EX-8 )
Selects the transducer to be used.
1.2 FUNCTION OF EACH UNIT