1. DL manuals
  2. Icom
  3. Transceiver
  4. IC-F510
  5. Service Manual

Icom IC-F510 Service Manual

Summary of IC-F510

  • Page 1

    Service manual uhf transceiver if610 if620 if621.

  • Page 2

    Version europe general europe (mpt) general (mpt) u.S.A. U.S.A. (mpt) u.S.A. General symbol eur gen mte mtg usa mtu usa gen introduction this service manual describes the latest service information for the ic-f610 , ic-f620 and ic-f621 uhf trans- ceivers at the time of publication. Danger never conn...

  • Page 3

    Table of contents section 1 specifications section 2 inside view section 3 disassembly instructions section 4 circuit description 4 - 1 receiver circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 1 4 - 2 transmitter ci...

  • Page 4: Section 1

    1 - 1 section 1 specifications measurement method frequency coverage type of emission number of conventional channels power supply voltage (negative ground) current drain (approx.) frequency error usable temperature range dimensions (proj. Not included) weight rf output power modulation system maxim...

  • Page 5: Section 2

    Section 2 inside view 2 - 1 ( ic3: ra30h4047m [l] ra30h4452m [m]-25w, [h] ra45h4452m [m]-45w 8v regurator (ic9: ta7808f) af amplifier (ic8: la4425a) cpu 5v regurator* (ic10: an78l05m) vco circuit cpu* (ic20: hd64f2268tf) antenna switch/ low-pass filter circuits 1st mixer* (q3: 3sk272) 2nd if filter ...

  • Page 6: Section 3

    Section 3 disassembly instructions 3 - 1 • opening case ➀ unscrew 4 screws a , and remove the bottom cover. ➁ disconnect the flat cable b from j2. ➂ unscrew 2 screws c , and remove the front unit. A b c j2 ➃ unsolder 1 point d from the plate, and remove the plate. ➄ unsolder 3 points e from the ante...

  • Page 7: Section 4

    Section 4 circuit description 4 - 1 4-1 receiver circuits 4-1-1 antenna switching circuit (main unit) the antenna switching circuit functions as a low-pass filter while receiving and as resonator circuit while transmitting. The circuit does not allow transmit signals to enter receiver circuits. Rece...

  • Page 8

    4 - 2 4-1-5 af amplifier circuit (main unit) the af amplifier circuit amplifies the demodulated af sig- nals to drive a speaker. The af signals from the fm if ic (ic1, pin 9) are amplified at the af amplifier section of the compander ic (ic14, pins 5, 4) and are then applied to the high-pass filter ...

  • Page 9

    4 - 3 4-2-4 power amplifier circuit (main unit) the power amplifier circuit amplifies the driver signal to an output power level. The rf signal from the pre-drive amplifier (q8) is applied to the power module (ic3) to obtain 25 w for ic-f610/f620, or 45 w for ic-f621 of rf power. The amplified signa...

  • Page 10

    4-4 power supply circuits 4-4-1 voltage lines (main unit) 4-5 port allocations 4-5-1 output expander (front unit; ic1) 4-5-2 output expander (main unit; ic7) 4-5-3 cpu (main unit; ic20) description the voltage from a dc power supply. The same voltage as the hv line which is con- trolled by the power...

  • Page 11

    4 - 5 cpu (ic20)—continued cpu (ic20)—continued input port for mic mute signal from the optional board via j1. I/o ports for the optional board control signals. Nois signal input port from the fm if ic (main unit; ic1) for noise squelch operation. Input for the power switch. Low : while power switch...

  • Page 12: Section 5

    ■ required test equipment note: [mpt] versions must use ‘ cs-f600 ’ instead of ‘ cs-f500 ’. 5-1 preparation when you adjust the contents on pages 5-4 and 5-5, soft- ware adjustment, the optional cs-f500 adj adjustment software (rev. 1.0 or later), *opc-1122 jig cable (modified opc-1122 cloning cable...

  • Page 13

    5 - 2 fm deviation meter (dc measurable) attenuator 50 db or 60 db to the mic connector to the antenna connector to dc cable to an rs-232c port db9 female plug personal computer standard signal generator –127 to –17 dbm (0.1 µ v to 32 mv) caution: do not transmit while ssg is connected to the antenn...

  • Page 14

    Lv pll lock voltage check point c134 pll lock voltage adjustment for tx c133 pll lock voltage adjustment for rx dc power supply 13.2 (13.6) v / 20 a 5 - 3 5-2 pll adjustment pll lock voltage 1 2 3 4 • operating freq. : 400.000 mhz [l] 440.000 mhz [m] 480.000 mhz [h] • receiving • output power : low1...

  • Page 15

    5 - 4 5-3 software adjustment select an operation using [ ↑ ] / [ ↓ ] keys, then set specified value using [ ← ] / [ → ] keys on the connected computer keyboard. 1 1 2 3 1 1 2 • operating freq. : 430.000 mhz [l] 490.000 mhz [m] 520.000 mhz [h] • output power : low1 • connect the rf power meter or 50...

  • Page 16

    *the output level of the standard signal generator (ssg) is indicated as the ssg’s open circuit. 5 - 5 software adjustment – continued select an operation using [ ↑ ] / [ ↓ ] keys, then set specified value using [ ← ] / [ → ] keys on the connected computer keyboard. Minimum distortion level push [en...

  • Page 17: Section 6

    [front unit] [front unit] ic1 1130010800 s.Ic lc75824w ic2 1130008560 s.Ic tc75s51f (te85l) q1 1590000720 s.Transistor dta144eua t106 q2 1590000430 s.Transistor dtc144eua t106 q3 1590000430 s.Transistor dtc144eua t106 q4 1590000720 s.Transistor dta144eua t106 d1 1790001670 s.Diode rb706f-40t106 d2 1...

  • Page 18

    S.=surface mount [main unit] [main unit] ic1 1110003490 s.Ic ta31136fn (d, el) ic2 1130008560 s.Ic tc75s51f (te85l) ic3 1150002090 ic ra30h4047m-01 [l] 1150002030 ic ra30h4452m [m]-25w, [h] 1150002060 ic ra45h4452m [m]-45w ic4 1130010810 s.Ic sa7026dh-t ic5 1110005330 s.Ic njm12904v-te1 ic6 11900013...

  • Page 19

    S.=surface mount [main unit] [main unit] l37 6200006980 s.Coil eljre r10g-f l38 6200005690 s.Coil eljre 18ng-f r1 7030000620 s.Resistor mcr10ezhj 100 k Ω r2 7030000260 s.Resistor mcr10ezhj 100 Ω (101) r3 7030000220 s.Resistor mcr10ezhj 47 Ω (470) [25w] 7030000280 s.Resistor mcr10ezhj 150 Ω (151) [45...

  • Page 20

    S.=surface mount [main unit] [main unit] r173 7030003800 s.Resistor erj3geyj 105 v (1 m Ω ) r174 7030003800 s.Resistor erj3geyj 105 v (1 m Ω ) r175 7030003800 s.Resistor erj3geyj 105 v (1 m Ω ) r176 7030003740 s.Resistor erj3geyj 334 v (330 k Ω ) r177 7030003740 s.Resistor erj3geyj 334 v (330 k Ω ) ...

  • Page 21

    S.=surface mount [main unit] [main unit] c18 4030009910 s.Ceramic c1608 ch 1h 040b-t [l] 4030009530 s.Ceramic c1608 ch 1h 030b-t [m], [h] c19 4030006860 s.Ceramic c1608 jb 1h 102k-t c20 4030009920 s.Ceramic c1608 ch 1h 050b-t [l] 4030007010 s.Ceramic c1608 ch 1h 100d-t [m], [h] c21 4030009540 s.Cera...

  • Page 22

    S.=surface mount [main unit] [main unit] c174 4030011600 s.Ceramic c1608 jb 1e 104k-t c176 4510005430 s.Electrolytic ecev0ja220sr c177 4030007030 s.Ceramic c1608 ch 1h 150j-t c178 4030007040 s.Ceramic c1608 ch 1h 180j-t c179 4030006850 s.Ceramic c1608 jb 1h 471k-t c180 4030011600 s.Ceramic c1608 jb ...

  • Page 23

    S.=surface mount [main unit] c363 4030006980 s.Ceramic c1608 ch 1h 070d-t c364 4030006980 s.Ceramic c1608 ch 1h 070d-t c365 4030009920 s.Ceramic c1608 ch 1h 050b-t c366 4030011600 s.Ceramic c1608 jb 1e 104k-t c367 4030007090 s.Ceramic c1608 ch 1h 470j-t c368 4550002890 s.Tantalum tesva 1a 225m1-8l c...

  • Page 24: Section 7

    J4 6450000140 connector hsj0807-01-010 1 w2 8900004540 cable opc-453 1 mp1 8930045070 2055 m-plate 1 mp2 8510011111 1922 vco case-1 1 mp3 8510011180 1923 vco cover 1 mp4 8510011460 2055 filter case 1 mp5 8510011610 2055 filter cover (a) 1 mp6 8930057900 2526 module holder assembly 1 mp8 8930045390 s...

  • Page 25

    7 - 2 mp3 (c) mp5 (c) mp4 (c) mp2 (f) ds12 (f) ep2 (f) mp1 (f) mp3 (f) mp4 (f) front unit w1 (f) j1 (f) mp12 (c) mp1 (c) mp13 (c) mp11 (c) mp5 (m) mp2 (m) mp3 (m) mp11 (c) mp6 (m) mp13 (c) mp9 (c) mp8 (m) w2 (m) j4 (m) mp14 (m) mp20 (m) mp1 (m) main unit mp4 (m) mp13 (m) mp11 (c) j1 (c) mp7 (c) sp1 ...

  • Page 26

    8 - 1 section 8 semi-conductor information • transsistors and fet’s • diodes b c e b e c b e c b e c b e c b e c b e c b c e d g s g g d d s s s d g g s d g1 g2 s d d s g2 g1 b e c b e c b e c e1 b1 b2 c1 c2 e1 e2 b2 c1 b1 c2 2sb1132 t100 r 2sc3356 r24 t2b 2sc4116 bl 2sc4213 b 2sc4215 o 2sc4226 t1 r...

  • Page 27

    Section 9 board layouts 9-1 front unit • top view 9 - 1 8v 2 8 to microphone 1 7 j1 afo mice gnd clo ptt mic cli.

  • Page 28

    1 to main unit j2 19 2 20 j2 gnd pwr linh lcs lck lso afvi cli gnd mic 8v 5v kr0 kr1 kr2 fsw horn clo ptt afo 1 16 48 33 32 17 49 64 9 - 2 • bottom view (front unit).

  • Page 29

    1 4 8 5 1 4 8 5 1 12 24 13 1 10 20 11 1 8 16 9 1 4 8 5 19 to front unit j2 1 20 2 j2 gnd pwr linh lcs lck lso afvi cli gnd mic 8v 5v kr0 kr1 kr2 fsw horn clo ptt afo gnd 30 16 1 15 j1 5v vcc mmut afon bepo rmut det disc rem ccs cirq so si sck ptti ptt o mco t mcin au x b usy md wn sig opt1 opt2 opt3...

  • Page 30

    1 4 8 1 7 14 8 5 12 11 1 1 7 14 8 23 33 22 44 34 1 25 26 50 51 75 76 100 9 - 4 • bottom view (main unit).

  • Page 31

    Section 10 block diagram data bus line control line rx line tx line common line explanatory notes q32 dtc144eu sw dim horn disc det ptt in acc q33 dtc144eu sw dim horno eptt sw line mod vcc dsa3a1 d22 protect md1 pwon q41 dta144eu d28 dan222 sw pwr sw power hv 19.66 mhz hn58x24128fpi cr-520 x4 ma77 ...

  • Page 32

    Section 11 voltage diagrams 5v 8v 5v 5v 8v afvi cli (hang) clo gnd mic mice ptt afo cli 8v com4 com3 com2 com1 seg40 seg39 seg38 seg37 seg36 seg35 seg34 seg33 seg32 seg31 seg30 seg29 seg28 seg27 seg26 seg25 seg24 seg23 seg22 seg21 seg20 seg19 seg18 seg17 seg16 seg15 seg14 seg13 seg12 seg11 seg10 seg...

  • Page 33

    Main unit (2) j1 to mic to optional unit jack j2 gnd pwr linh lcs lck lso afvi cli gnd mic 8v 5v kr0 kr1 kr2 fsw horn clo ptt afo 8v cl0 afo ptt front unit j2 j1 ptti ptto mcot mcin aux busy mdwn sig opt1 opt2 opt3 gnd opv3 opv2 opv1 gnd 5v vcc mmut afon bepo rmut det disc rem ccs cirq so si sck bus...

  • Page 34

    R320 3.3k 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 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 10...

  • Page 35

    Asia icom inc. 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...

  • Page 36

    1-1-32, kamiminami, hirano-ku, osaka 547-0003, japan s-13817hz-c1u- q c 2002 icom inc..