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Icom IC-M400BB Service Manual

Other manuals for IC-M400BB: Instruction Manual

Summary of IC-M400BB

  • Page 1

    Service manual addendum contents newly added pages: adjustment procedure . . . . . . . . . . . . . . . . . . 1 additional pages: parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 voltage diagram . . . . . . . . . . . . . . . . . . . . . . . . . 12 july 2013.

  • Page 2: Section 5.

    1 1 section 5. Adjustment procedure m connection equipment grade and range equipment grade and range adjustment software adj-m324 (revision 1.0 or later) cloning cable opc-478uc power supply voltage : 12.0 v current capacity : more than 10 a rf power meter (50 Ω terminated) measuring range : 0.1–30 ...

  • Page 3

    July 2013 2 before starting the adjustments, use the cloning software to clone the adjustment frequency. • ch116 : 163.425 mhz • wx10 : 163.275 mhz m adjustment utility m adjustment frequency for the squelch adjustment (additional page).

  • Page 4

    3 adjustment transceiver’s condition operation adjustment item value pll lock voltage (verification) 1 • channel : 16 • receiving 1) connect an rf power meter (or a dummy load) to the antenna connector. 2) verify that the lock voltage is in the specified range on the "i/o check window" (see the illu...

  • Page 5

    July 2013 4 3 receive adjustments adjustment transceiver’s condition operation adjustment item value squelch -threshold- 1 • channel : ch116* wx10** • receiving • c o n n e c t a s i g n a l g e n e l a t o r t o t h e antenna connector, and then set it as shown below. Frequency : 163.425 mhz † 163....

  • Page 6: Section 5.

    Eqv.= this component is equivalent to the ref no. Component listed above, and may be substituted on parts orders and repairs. July 2013 (additional page) 5 section 5. Parts list ic1 1150002470 ic ra33h1516m1-225 ic2 1110006670 s.Ic njm2730f-te1-#zzzb t 73.9/48.1 ic101 1130016080 s.Ic gp214d t 65.9/1...

  • Page 7

    Eqv.= this component is equivalent to the ref no. Component listed above, and may be substituted on parts orders and repairs. July 2013 (additional page) 6 ref parts description m. H/v no. No. Location [main unit] r99 7030010040 s.Res erj2gej-jpw [usa] t 112.4/43.0 7030010430 s.Res erj2gej 120 x (12...

  • Page 8

    7 eqv.= this component is equivalent to the ref no. Component listed above, and may be substituted on parts orders and repairs. July 2013 (additional page) m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount ref parts description m. H/v no. No. Location [main...

  • Page 9

    8 eqv.= this component is equivalent to the ref no. Component listed above, and may be substituted on parts orders and repairs. July 2013 (additional page) m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount ref parts description m. H/v no. No. Location [main...

  • Page 10

    9 eqv.= this component is equivalent to the ref no. Component listed above, and may be substituted on parts orders and repairs. July 2013 (additional page) m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount ref parts description m. H/v no. No. Location [logi...

  • Page 11

    10 july 2013 (additional page) m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount ref parts description m. H/v no. No. Location [connect unit] c1 4030016790 s.Cer c1005 jb 1e 103k-t b 2.1/11.9 j1 6510022440 con ltw-8mp-c nutgasket j2 6510025142 s.Con 10flt-s...

  • Page 12

    11 july 2013 (additional page) ref parts description m. H/v no. No. Location [vco unit] q2 1590004070 s.Tra ldtc144eet1g t 13.4/9.3 q3 1530002921 s.Tra 2sc4226-t1 y25 (r25) t 11.9/2.8 q4 1530002921 s.Tra 2sc4226-t1 y25 (r25) t 18.6/2.3 q5 1530003950 s.Tra ktc4080 y-rtk/p t 7.1/6.9 q6 1530003950 s.Tr...

  • Page 13

    July 2013 (additional page) 12 • main unit (1/2) *: refer to the parts list for the value and name of component. 0.1 c614 kia7805api ic512 i o com m62364fp ic514 1 vin1 2 vout1 3 vout2 4 vin2 5 vdd 6 ld 7 clk 8 di 9 vin3 10 vout3 11 vout4 12 vin4 13 vin5 14 vout5 15 vout6 16 vin6 17 do 18 vdaref 19 ...

  • Page 14

    July 2013 (additional page) 13 • main unit (2/2) *: refer to the parts list for the value and name of component. Cp15s cp13 cp15s cp2 cp15s cp4 hsm88asr d12 kta2015 q10 cp15s cp3 cp15s cp1 ktc4075 q22 cp15s cp12 cp15s cp11 cp15s cp15 cp15s cp14 hsm88asr d13 kta2015 q23 0.47u l304 cp15s cp16 3sk293 q...

  • Page 15

    S-14915xz-c1 january 2013 vhf marine transceiver.

  • Page 16

    This service manual describes the latest technical informa- tion for the ic-m400bb vhf marine transceiver, at the time of publication. To upgrade quality, any electrical or mechanical parts and internal circuits are subject to change without notice or obligation. Model version supplied microphone ic...

  • Page 17

    Table of contents section 1 specifications section 2 inside views section 3 disassembly instruction section 4 circuit descripiton 4-1 receiver circuits ...................................................................................... 4-1 4-2 transmit circuits ......................................

  • Page 18: Section 1. Specifications

    1-1 section 1. Specifications █ general • frequency coverage european versions : tx 156.000–161.450 mhz rx 156.000–163.425 mhz usa versions : tx 156.025–157.425 mhz rx 156.050–163.275 mhz ch70 rx : 156.525 mhz • intermediate frequencies main : 1st 21.700 mhz, 2nd 450 khz ch70 1st 30.875 mhz, 2nd 450...

  • Page 19: Section 2. Inside

    2-1 section 2. Inside views • logic unit +3.3 v regulator (ic4) reset ic (ic10) ci-v interface (ic5) cpu (ic1) cpu clock (x1) dsc decoder (ic11) nmea line buffer (ic12) data line buffer (rxd) (ic7) eeprom (ic9) photo coupler (ic8) dsc signal line sw (ic3) data line buffer (txd) (ic6) beep/dsc encode...

  • Page 20

    2-2 vco • main unit (top view) af power amp (ic701) af amp (ic515) reference frequency oscillator (x101) 2nd if filater (for main ch) (fi204) discriminator (for main ch) (x201) 2nd if filater (for ch70) (fi304) discriminator (for ch70) (x301) 1st lo oscollator (for ch70) (x401) ygr amp (q13) tx/rx a...

  • Page 21

    2-3 • main unit (bottom view) expander (ic801) expander (ic802) af mute sw (ic703) af mute sw (ic704) mic amp (ic513) af mute sw (ic503) +1.1 v regulator (ic903) noise canceling lsi (ic903) +3 v regulator (ic511) af mute sw (ic502) af pre-amp (ic702) horn mute sw (ic505) af mute sw (ic504) af bpf/mi...

  • Page 22: Section 3. Disassembly

    3-1 section 3. Disassembly instruction be careful about the fl at cable and connector when separating the front panel from the chassis assmbly. 1. Removing the front unit 1) remove 6 screws from the rear. 2) disconnect the fl at cable and inline cable from the logic unit. 3) separate the front panel...

  • Page 23

    3-2 5) remove 2 screws from the pa module. 2. Removing the main unit (continued) main unit /#+0 70+6 main unit main unit main unit chassis screw x2 pa module (top view) main unit main unit main unit /#+0 70+6 main unit chassis screw x7 unsolder solder remover (top view) 6) remove 7 screws from the t...

  • Page 24: Section 4. Circuit

    4-1 section 4. Circuit description 4-1 receive circuits rf circuit (main unit) the rx signal from the antenna is passed through the lpf (l21, l22, and c114–c116), ant sw (d16), attenuator (d19, r96) and bpf (l201, c201 and c202), and then applied to the rf amp (q201). The amplifi ed signal is divide...

  • Page 25

    July 2013 4-2 rx af circuit (main unit) the demodulated af signal from the af sw (ic504b) is passed through the bpf (ic506b, ic506c) and af sw (ic901, pins 7, 1), and then applied to the noise canceller ic (ic902, pin 36). The processed af signal is output from pin 25, and then passed through the lp...

  • Page 26

    4-3 4-2 transmit circuits tx af circuit (main unit) the af signal from the commandmic iv™ is passed through the mic mute sws (ic502c, pins 9, 8 and ic502b, pins 4, 3), and then applied to the mic amp (ic513d). Tx af circuit (main unit) the amplifi ed af signal is passed through the af sw (ic901, pin...

  • Page 27

    July 2013 4-4 4-3 frequency synthesizer • vco (vco unit) the vco (q3, q4, and d1–d3) generates both 1st lo signal for main channels and the tx signal. The output of buffer (q7) is used as the tx or rx lo signal. While receiving, the lo signal is applied to the 1st if mix- er for main channels (main ...

  • Page 28

    4-5 4-5 port allocations • cpu (logic unit: ic1) • d/a converter (main unit: ic514) pin no. Line name description i/o 26 tempv temperature sensing voltage. I 27 tdetv transmit output power sensing voltage. I 28 loinv lock voltage input. I 29 wdecv weather alert signal detect. I 40 dscout dsc signal ...

  • Page 29: Section 5. Parts

    Eqv.= this component is equivalent to the ref no. Component listed above, and may be substituted on parts orders and repairs. 5-1 section 5. Parts list ic1 1150002470 ic ra33h1516m1-225 ic2 1110006670 s.Ic njm2730f-te1-#zzzb t 73.9/48.1 ic101 1130016080 s.Ic gp214d t 65.9/16.0 ic201 1110007320 s.Ic ...

  • Page 30

    Eqv.= this component is equivalent to the ref no. Component listed above, and may be substituted on parts orders and repairs. 5-2 ref parts description m. H/v no. No. Location [main unit] r99 7030010040 s.Res erj2gej-jpw [usa] t 112.4/43.0 7030010430 s.Res erj2gej 120 x (12) [uk] 7030010430 s.Res er...

  • Page 31

    5-3 eqv.= this component is equivalent to the ref no. Component listed above, and may be substituted on parts orders and repairs. M.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount ref parts description m. H/v no. No. Location [main unit] c161 4030017460 s.C...

  • Page 32

    5-4 eqv.= this component is equivalent to the ref no. Component listed above, and may be substituted on parts orders and repairs. M.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount ref parts description m. H/v no. No. Location [main unit] c714 4030017760 s.C...

  • Page 33

    5-5 eqv.= this component is equivalent to the ref no. Component listed above, and may be substituted on parts orders and repairs. M.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount ref parts description m. H/v no. No. Location [logic unit] ic1 1140016243 s.I...

  • Page 34

    5-6 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount ref parts description m. H/v no. No. Location [connect unit] c1 4030016790 s.Cer c1005 jb 1e 103k-t b 2.1/11.9 j1 6510022440 con ltw-8mp-c nutgasket j2 6510025142 s.Con 10flt-sm2-tb(lf)(sn)(m) b 4.3/15.0...

  • Page 35

    5-7 ref parts description m. H/v no. No. Location [vco unit] q2 1590004070 s.Tra ldtc144eet1g t 13.4/9.3 q3 1530002921 s.Tra 2sc4226-t1 y25 (r25) t 11.9/2.8 q4 1530002921 s.Tra 2sc4226-t1 y25 (r25) t 18.6/2.3 q5 1530003950 s.Tra ktc4080 y-rtk/p t 7.1/6.9 q6 1530003950 s.Tra ktc4080 y-rtk/p t 4.9/2.6...

  • Page 36: Section 6. Mechanical

    6-1 [chassis parts] ref order description qty. No. No. J1 6510004881 mr-dse-01-1 1 w1 8900020381 opc-2214a 1 w2 8900020390 opc-2215 1 mp1 8510020730 3514 case 1 mp3 8930049040 insulation sheet fq 1 mp4 8930058780 2577 sheet 1 mp5 8930083960 3338 r-packing 1 mp6 8930086910 3514 f-packing 1 mp7 893008...

  • Page 37

    6 - 2 mp16(f)x4 mp22(f) mp17(c)x6 mp16(c)x6 mp15(c)x7 w1(c) mp18(c) mp10(c) j1(co) j1(c) mp7(c) mp8(c) abbreviation: (c): chassis parts (l): logic unit (m): main unit (co): connect unit j1(c) mp9(c) mp1(f) mp4(c) mp3(c) mp5(c) mp12(c) mp13(c)x2 w2(c) mp11(c) mp21(f) logic unit mp1(c) mp6(c) mp14(c) ...

  • Page 38

    7 - 1 section 7. Board layouts the combination of top side and bottom side of this • connect unit (top view) • logic unit (top view) up down menu s4 s3 s2 s1 dist clr ch16 right ent left h0 h5 h10 h15 h20 h25 h30 h35 h40 h45 h50 h55 h60 h65 h70 h75 h80 h85 h90 h95 h100 h105 h110 h115 h120 h125 h130 ...

  • Page 39

    7 - 2 the combination of top side and bottom side of this • connect unit (bottom view) • logic unit (bottom view) comrxd comtxd icf3 iostbo dastbo pono rvso txmso horno beepo dscdec wdecv tdetv mic-g tempv l5v vcc n/c sp- sp+ gnd rintmo rextmo rxspmo sdatao scko plstbo t5vso nc_busyo gnd dscenc unlk...

  • Page 40

    7 - 3 the combination of top side and bottom side of this • vco unit (top view) • main unit (top view) j1 (chassis) w1 comrxd comtxd icf3 iostbo dastbo pono rvso txmso horno beepo dscdec wdecv tdetv mic-g tempv l5v vcc n/c sp- sp+ gnd rintmo rextmo rxspmo sdatao scko plstbo t5vso nc_busyo gnd dscenc...

  • Page 41

    7 - 4 the combination of top side and bottom side of this • vco unit (bottom view) • main unit (bottom view) j1 j2 b7689a h0 h5 h10 h15 h20 v0 v5 v10 v15 c3 c17 c61 c62 c63 c98 c151 c152 c153 c301 c302 c303 c304 c305 c306 c307 c308 c311 c312 c321 c323 c324 c325 c331 c333 c336 c343 c344 c352 c506 c50...

  • Page 42: Section 8

    8 - 1 section 8 general wiring j1 1 2 w1 j4 1 2 3 4 1 2 3 4 opc-1332a-1 w3 j2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 j1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 ...

  • Page 43

    9 - 1 section 9. Block diagram pwr ctrl lpf bpf bpf ceramic pwr ctrl af amp buff buff x101:cr-921 21.25mhz buff rf amp if amp af mute ant fil loop lpf lpf bpf ant sw tx/rx sw bpf bpf xtal ygr amp pwr amp noise amp noise det apc ctrl buff lpf ci-v i/f af mute mic amp af mute af mute x1:cr-834 7.9872m...

  • Page 44

    10 - 1 section 10. Voltage diagram *: refer to the parts list for the value and name of component. • logic unit kds122 d5 cf20 cp1 cp15s cp19 cp15s cp9 cp15s cp22 cp15s cp16 cp15s cp15 cp15s cp18 pc357n6j000f ic8 j4 1 2 3 4 5 6 j1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 ...

  • Page 45

    10 - 2 • main unit (1/2) *: refer to the parts list for the value and name of component. 0.1 c614 kia7805api ic512 i o com m62364fp ic514 1 vin1 2 vout1 3 vout2 4 vin2 5 vdd 6 ld 7 clk 8 di 9 vin3 10 vout3 11 vout4 12 vin4 13 vin5 14 vout5 15 vout6 16 vin6 17 do 18 vdaref 19 reset 20 gnd 21 vin7 22 ...

  • Page 46

    10 - 3 • main unit (2/2) *: refer to the parts list for the value and name of component. Cp15s cp13 cp15s cp2 cp15s cp4 hsm88asr d12 kta2015 q10 cp15s cp3 cp15s cp1 ktc4075 q22 cp15s cp12 cp15s cp11 cp15s cp15 cp15s cp14 hsm88asr d13 kta2015 q23 0.47u l304 cp15s cp16 3sk293 q302 kta1664 q21 68 r75 c...

  • Page 47

    July 2013 6f no.68, sec. 1 cheng-teh road, taipei, taiwan, r.O.C. Phone : +886 (02) 2559 1899 fax : +886 (02) 2559 1874 url : http://www.Asia-icom.Com e-mail : sales@asia-icom.Com zac de la plaine 1 rue brindejonc des moulinais bp 5804 31505 toulouse cedex, france phone : +33 (5) 61 36 03 03 fax : +...

  • Page 48

    1-1-32, kamiminami, hirano-ku, osaka 547-0003, japan s-14915xz-c1 © 2013 icom inc..