Furuno FAR-2107 Series User manual

FAR-2157
FAR-2167DS

The paper used in this manual
is elemental chlorine free.
・FURUNO Authorized Distributor/Dealer
9-52 Ashihara-cho,
Nishinomiya, 662-8580, JAPAN
Telephone : [phone]
Fax : [phone]
A : MAR 2005
.
Printed in Japan
All rights reserved.
H2 : DEC . 15, 2010
Pub. No. SME-35190-H2
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00015324800
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(NAYO ) FAR-2107/BB/2807 SER
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00015324800
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Following tables show normal value in RF Monitor display.
Keystroke: MENU>9>8>2 (Selftest)
FAR-2827W, 2x27
Monitor Item L: 48NM M2: 6NM M1: 3NM S2: 1.5NM S1: 0.125NM
TUNE IND 1.6 1.6 1.5 0.7 1.0
R MONITOR 3.9 3.9 3.9 3.9 3.9
MAG CURRENT 4.6 3.6 2.8 2.5 1.9
HEATER 1.4 1.4 1.7 1.7 1.7
TUNE OUT 16.0 16.0 16.3 16.2 16.2
FAR-2837SW, 2x37S
Monitor Item L: 48NM M2: 6NM M1: 3NM S2: 1.5NM S1: 0.125NM
TUNE IND 1.5 1.7 1.6 1.4 2.6
R MONITOR 4.3 4.3 4.3 4.3 4.3
MAG CURRENT 4.3 3.9 3.2 2.7 2.0
HEATER 1.5 1.5 1.5 1.8 1.8
TUNE OUT 9.9 10.0 10.1 10.1 9.8
Remedy
Modify the RF unit as described in the attached sheet. RF unit modification kit is
available with the following code number
Model Code Number
12 kW/25 kW X-band (TR UP and TR DOWN) MOD-FAR-001
30 kW TR UP MOD-FAR-002
30 kW TR DOWN MOD-FAR-003
Factory modification
From March 2005

1. 10kW/25kW X band Radar
1
1. 12 kW/25 kW X-band Radar
1.1 Necessary Parts Table 1.1 Parts list
Necessary parts Q’ty Modification No.
RFC cover: 27/27W 1 pc. Fig. 1.1
Spacer for RFC cover: M3 x 15 7 pcs. Fig. 1.1
Shield mesh for IF-RFC cable: 150 mm 1 pc. Fig. 1.2
Metal clamp: 9 mm 1 pc. Fig. 1.2
Jumper wire: 145 mm 1 pc. Fig. 1.3
Cable tie 100 mm 2 pcs. Fig. 1.3
1.2 Modification procedure
1.1.1 Addition of RFC cover
1. Replace the fixing screw of RF board with spacer.
2. Add RFC cover to the RFC board fix with the above screws.
Fig. 1.1 RFC cover
1.1.2 Add shield mesh to the interconnection cable between RFC and IF boards.
1. Run the cable avoiding the M8 bolt, which fixes the RF module as in Fig. 1.1.
2. Fix the cable by the metal clamp as in Fig. 1.2.
3. Tighten the both ends of shield mesh with a cable tie, then protect it with vinyl
tape.
FAR-2xx7 series Radar Modifications
Fig. 1.2 Add shield mesh-1 Fig. 1.3 Add shield mesh-3

1. 10kW/25kW X band Radar
2
3. Link the magnetron chassis and the GND of MD board with jumper wire.
Fig.1.4
Fig. 1.5
Fig. 1.6

2. 30 kW TR UP modification
3
2. 30 kW TR UP Radar
2.1 Necessary Parts
Table 2.1 Parts list
Necessary parts Q’ty Modification No.
RFC cover: 37S 1 pc. Fig. 2.1
Spacer for RFC cover: M3 x 15 7 pcs. Fig. 2.1
EMI core: RFC13 1 pc. Fig. 2.1
EMI core: RFC8 2 pcs. Fig. 2.1
Cable tie: 100 mm 6 pcs. Fig. 2.1
Jumper wire: 140 mm 1 pc. Fig. 2.2
EMI core: RFC10 1 pc. Fig. 2.3
Cable clump 1 pc. Fig. 2.3
M3 x 12 screw 1 pc. Fig. 2.3
Microwave absorbent: 150 x 60 1 pc. Fig. 2.4
2.1 Addition of RFC cover
1. Set up the RFC cover and cable ties as shown in Fig. 2.1.
2. Replace the fixing screws with the spacer.
3. Disconnect the plug P803.
4. Add EMI cores to the cables as shown in Fig. 2.2.
Fig. 2.1 RFC cover
RFC8 (J802)
RFC13
(J803, J804, J805)
Fig. 2.2 Add EMI core

2. 30 kW TR UP modification
4
5. Fix the RFC cover by the screws.
6. Fit the cables by the EMI cores and bind it by the cable tie.
7. Connect J803.
2.2 Jumper to magnetron and ground line of MD board
Add jumper wire between the chassis of magnetron and pulse transformer as in Fig. 2.5.
Fig. 2.3
Fig. 2.4
Fig. 2.5
Cable tie is not
supplied one.
Cable ties in photo are
not supplied one.

2. 30 kW TR UP modification
5
2.3 Addition of EMI core to the interconnection cable between
RFC and IF board.
Use M3 x 12 screw and fix the EMI core with cable clump.
2.4 Adhere the microwave absorbent inside the MD cover as in Fig. 8
Adhere the microwave absorbent inside the MD cover. Keep 75 mm of clearance from
top of the cover.
Fig. 2.8 MD cover
Fig. 2.7
Fig. 2.6 EMI core w/cable clump
and screw
microwave absorbent
75 mm

3. 30 kW TR Down modification
6
3. 30 kW TR DOWN Radar
3.1 Necessary Parts
Table 3.1 Parts list
Necessary parts Q’ty Modification No.
RFC cover: 37SW 1 pc. Fig. 3.1
Spacer for RFC cover: M3 x 15 9 pcs. Fig. 3.1
Shield 350 mm for IF-RFC cable 1 pc. Fig. 3.2
Metal clump: 9 mm 1 pc. Fig. 3.2
EMI core RFC: 10 1 pc. Fig. 3.2
EMI gasket: 170 mm 2 pcs. Fig. 3.3
EMI gasket: 90 mm 2 pcs. Fig. 3.3
Jumper wire: 360 mm 1 pc. Fig. 3.4
Microwave absorbent 1 pc. Fig. 3.6
Cable tie 100 mm 2 pcs.
3.1 Addition of RFC cover
1. Replace the fixing screw with the spacing nuts of the RFC cover.
2. Disconnect the plug P803.
3. Fix the RFC cover by the screws. (For inner most two, use spacer instead of screw.)
4. Connect J803.
Fig. 3.1 RFC cover added