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Icom IC-756PRO III Service Manual

Other manuals for IC-756PRO III: Instruction Manual
Manual is about: HF/50MHz All Mode Transceiver

Summary of IC-756PRO III

  • Page 1

    Hf/50mhz all band transceiver i756pro service manual.

  • Page 2

    Version u.S.A. Europe france symbol usa eur fra introduction this service manual describes the latest service information for the ic-756pro hf/50mhz all band transceiver. Danger never connect the transceiver to an ac outlet or to a dc power supply that uses more than 16 v. This will ruin the transce...

  • Page 3

    Table of contents section 1 specifications section 2 inside views section 3 circuit description 3 - 1 receiver circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1 3 - 2 transmitter circuits . . . . . . . . . . . . . . ....

  • Page 4: Section 1

    Section 1 specifications 1 - 1 ■ general • frequency coverage: receive 0.030–60.000 mhz* 1, * 2 transmit 1.800–1.999 mhz* 2 3.500–3.999 mhz* 2 7.000–7.300 mhz* 2 10.100–10.150 mhz* 2 14.000–14.350 mhz* 2 18.068–18.168 mhz* 2 21.000–21.450 mhz* 2 24.890–24.990 mhz* 2 28.000–29.700 mhz* 2 50.000–54.00...

  • Page 5: Section 2

    Section 2 inside views 2 - 1 • bottom view vco-b circuit ygr amplifier (ic151: µ pc1678g) pre amplifier (ic451: µ pc1658g) fm if ic (ic841: ta31136fn) rf unit 1st if filter (fi132: sfpc455e-tc01) 2nd if filter (fi111: cfk455e10) 3rd mixer (ic151: njm1496v) main unit pll unit memory board dsp board v...

  • Page 6

    2 - 2 • top view filter unit current transformer (l1: lr-364) c-mos ic (ic14: tc74ac04f) fan tuner unit fan control circuit antenna tuner cpu (ic5: m38022m2-138fp) ctrl unit common filter (l501, l502: lr-386) pa unit drive amplifier.

  • Page 7: Section 3

    Section 3 circuit description 3 - 1 3-1 receiver circuits 3-1-1 rf switching circuit (ctrl and rf units) the rf switching circuit leads receive signals to bandpass filters from an antenna connector while receiving. However, the circuit leads the signal from the rf power amplifier to the antenna conn...

  • Page 8

    3 - 2 3-1-5 1st if circuit (rf unit) the 1st if circuit filters and amplifies the 1st if signal. The 1st if signal combined at l653 is applied to an mcf (monolithic crystal filter; fi711a/b) to suppress out-of-band signals. The converted 1st if signal level is adjusted at pin attenua- tors (d531–d53...

  • Page 9

    3 - 3 the level shifted signal is applied to the dsp ic (ic2001) for 36 khz digital if filter, demodulation, automatic notch and noise reduction, etc. The output signal is level shifted 3.3 v to 5v at the level converter (ic2052), and is applied to the d/a converter (ic2351) to convert into the anal...

  • Page 10

    3 - 4 3-2 transmitter circuits 3-2-1 microphone amplifier circuit (main unit) the microphone amplifier circuit amplifies microphone audio signals to a level needed for the dsp. Audio signals from the [mic] connector (mic board; j1, pin 1) are amplified at the audio amplifier section in ic451 (pins 2...

  • Page 11

    3 - 5 3-2-5 if amplifier and mixer circuits (main and rf units) the modulated 3rd if signal from the dsp board (dtif: 36 khz) is applied to the 3rd mixer circuit (main unit; ic221). The applied 3rd if signal is mixed with the 3rd lo signal from the dds circuit (pll unit; ic701) to produce a 455 khz ...

  • Page 12

    3 - 6 the alc bias voltage is also applied to the alc meter ampli- fier (ic551a, pin 2) to obtain an alc meter signal (alcl). The amplified signal is passed through the analog switch (ic 3631, pins 13, 14) and applied to the main cpu (ic3501, pin 108) to drive the s/rf meter via the sub cpu (ic401) ...

  • Page 13

    3 - 7 (2) main loop pll the oscillated signal at one of the main loop vcos (q201, d201, d202), (q221, d221, d222), (q251, d251–d254) and (q271, d271–d274) is amplified at the buffer amplifiers (q301, ic320) and is then applied to the pll ic (ic381, pin 6). The signal is then divided and detected on ...

  • Page 14

    3 - 8 3-4 antenna tuner circuits 3-4-1 matching circuit (tuner unit) the matching circuit is a t-network. Using 2 tuning motors, the matching circuit obtains rapid overall tuning speed. Using relays (rl1–rl15), the relay control signals from the antenna tuner cpu (ctrl unit; ic5) via the buffer-ampl...

  • Page 15

    3 - 9 3-5 scope circuits 3-5-1 scope receiver circuit (rf unit) a portion of the 64.455 mhz 1st if signal from the 1st mixer circuit (q511–q514: while receiving) or if amplifier (q751: while transmitting) is amplified at the if amplifiers (q811, q812), then mixed with the 77.8 mhz scope 2nd lo signa...

  • Page 16

    3 - 10 3-6-3 main unit 3-6-4 ctrl and pll units 3-7 logic circuits 3-7-1 band selection data (rf, ctrl and pll units) to select the correct bandpass, low-pass filters and vcos on the rf, filter and pll units, the main cpu (main unit, ic3501) outputs the following band selection data via the i/o expa...

  • Page 17

    Section 4 adjustment procedures 4 - 1 4-1 preparation before sarvicing ■ required test equipment dc power supply rf power meter (terminated type) frequency counter rf voltmeter fm deviation meter modulation analyzer distortion meter oscilloscope audio generator standard signal generator (ssg) digita...

  • Page 18

    4 - 2 4-2 pll adjustments reference frequency lpl-a lock voltage vco-a lock voltage 1lo-a output level lpl-b lock voltage vco-b lock voltage 1lo-b output level 3lo output level s3lo output level adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 2 1 1 2 3 ...

  • Page 19

    4 - 3 p81 reference frequency check point l52 l81 c454 lpl-b lock voltage adjustment l82 reference frequency adjustment vco-a lock voltage adjustment vco-b lock voltage adjustment • pll unit bottom view of the transceiver pll unit lpb lpl-b lock voltage check point c278 c228 c208 c258 c508 c558 c578...

  • Page 20

    *this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 4 - 4 4-3 receiver adjustments rx peak mixer balance fm distortion adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 2 3 1 2 1 2 • display frequency: 14.100000 mhz...

  • Page 21

    4 - 5 l721 r616 r516 l722 c655 c555 l513 l943 rx peak adjustment mixer balance adjustment fm distortion adjustment rx peak adjustment l613 rx peak adjustment • rf unit • main unit bottom view of the transceiver rf unit l113 l112 l111 bottom view of the transceiver main unit.

  • Page 22

    4 - 6 *this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. Receiver adjustments—continued receiver total gain noise blanker spectrum scope adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 2 1 2 1 2 3 • display frequ...

  • Page 23

    4 - 7 r210 receiver total gain adjustment noise blanker adjustment • main unit cp271 noise blanker check point r271 l272 l271 l833 l813 l812 r872 r863 cp871 spectrum scope check point j841 spectrum scope pre-setting spectrum scope adjustment bottom view of the transceiver rf unit • rf unit.

  • Page 24

    4 - 8 4-4 transmitter adjustments idling current (for driver) (for final amplifier) tx peak transmitter total gain ic apc hf bands output power 50 mhz band output power am carrier adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 2 1 2 3 4 1 1 1 1 1 • dis...

  • Page 25

    4 - 9 l261 tx peak adjustment r509 50 mhz band output power adjustment r545 ic apc adjustment r507 hf bands output power adjustment r247 tx peak adjustment r510 am carrier adjustment cp243 tx peak check point r263 transmitter total gain adjustment • pa unit • main unit top view of the transceiver pa...

  • Page 26

    4-5 tuner adjustment swr detector adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 2 3 4 • display frequency: 29.70000 mhz • mode : fm • [rf power] : max. Cw • [tuner] : through • connect j12 on the ctrl unit to gnd. • connect a 50 Ω terminator to [ant1]...

  • Page 27

    4 - 11 • rf unit • ctrl unit ctrl unit c3 swr detector adjustment r2229 am modulation adjustment r2227 fm deviation adjustment j14 (ref) swr detector check point j12 (seti) swr detector pre-setting • main unit and dsp board cp503 residual am check point l712 l711 l713 residual am adjustment top view...

  • Page 28: Section 5 Parts List

    S.=surface mount ds1 5080000450 lamp slu2lc1ex5b-th me1 5510000480 meter me-40 (kl-293s-10) w1 8900009230 cable opc-908 w2 8900009660 cable opc-964 w3 8900009230 cable opc-908 w4 8900009240 cable opc-909 w5 8900009240 cable opc-909 w6 8900009260 cable opc-911 w7 8900009260 cable opc-911 w8 890000940...

  • Page 29

    [display board] [display board] s.=surface mount r222 7030003440 s.Resistor erj3geyj 102 v (1 k Ω ) r223 7030003440 s.Resistor erj3geyj 102 v (1 k Ω ) r224 7030003440 s.Resistor erj3geyj 102 v (1 k Ω ) r225 7030003440 s.Resistor erj3geyj 102 v (1 k Ω ) r226 7030003440 s.Resistor erj3geyj 102 v (1 k ...

  • Page 30

    [display board] [display board] s.=surface mount r1127 7030003490 s.Resistor erj3geyj 272 v (2.7 k Ω ) r1128 7030003670 s.Resistor erj3geyj 823 v (82 k Ω ) r1201 7030003340 s.Resistor erj3geyj 151 v (150 Ω ) r1202 7030003450 s.Resistor erj3geyj 122 v (1.2 k Ω ) r1203 7030003490 s.Resistor erj3geyj 2...

  • Page 31

    [mode board] [display board] s.=surface mount ds621 5040002110 s.Led cl-200hr-c-tu ds622 5040002080 s.Led cl-200yg-c-tu ds623 5040002080 s.Led cl-200yg-c-tu ds624 5040002080 s.Led cl-200yg-c-tu ds625 5040002080 s.Led cl-200yg-c-tu ds901 5040002080 s.Led cl-200yg-c-tu ds902 5040002080 s.Led cl-200yg-...

  • Page 32

    [rit board] [ten-key board] s.=surface mount q1 1590002310 s.Transistor dtc114ee tl q2 1590002310 s.Transistor dtc114ee tl q3 1590002310 s.Transistor dtc114ee tl q4 1590002310 s.Transistor dtc114ee tl q5 1590002310 s.Transistor dtc114ee tl r1 7030003540 s.Resistor erj3geyj 682 v (6.8 k Ω ) r2 703000...

  • Page 33

    [rf unit] [rf unit] s.=surface mount d191 1750000440 s.Diode 1sv263-tl d192 1790000620 s.Diode ma77 (tx) d211 1750000440 s.Diode 1sv263-tl d212 1790000620 s.Diode ma77 (tx) d231 1750000450 s.Diode 1sv265-tl d232 1790000450 s.Diode ma862 (tx) d271 1750000440 s.Diode 1sv263-tl d272 1790000620 s.Diode ...

  • Page 34

    [rf unit] [rf unit] s.=surface mount l561 6200003000 s.Coil nl 322522t-r22j-3 l562 6200003020 s.Coil nl 322522t-r33j-3 l563 6200001830 s.Coil nl 322522t-100j l564 6180002970 s.Coil nl 322522t-068j l565 6180002970 s.Coil nl 322522t-068j l566 6140003210 s.Coil lr-358 l567 6180002970 s.Coil nl 322522t-...

  • Page 35

    [rf unit] [rf unit] s.=surface mount r634 7030003480 s.Resistor erj3geyj 222 v (2.2 k Ω ) r635 7030003560 s.Resistor erj3geyj 103 v (10 k Ω ) r637 7030003280 s.Resistor erj3geyj 470 v (47 Ω ) r638 7030003340 s.Resistor erj3geyj 151 v (150 Ω ) r651 7030003360 s.Resistor erj3geyj 221 v (220 Ω ) r653 7...

  • Page 36

    [rf unit] [rf unit] s.=surface mount c171 4030008470 s.Ceramic c1608 jb 1h 272k-t-a c172 4030009880 s.Ceramic c1608 jb 1h 682k-t-a c173 4030009980 s.Ceramic c1608 jb 1h 152k-t-a c174 4030011600 s.Ceramic c1608 jb 1c 104kt-n c181 4030011600 s.Ceramic c1608 jb 1c 104kt-n c182 4030008650 s.Ceramic c160...

  • Page 37

    [rf unit] [rf unit] s.=surface mount c601 4030007070 s.Ceramic c1608 ch 1h 330j-t-a c602 4030007040 s.Ceramic c1608 ch 1h 180j-t-a c603 4030007080 s.Ceramic c1608 ch 1h 390j-t-a c604 4030011770 s.Ceramic c1608 ch 1h 060b-t-a c605 4030007050 s.Ceramic c1608 ch 1h 220j-t-a c606 4030011600 s.Ceramic c1...

  • Page 38

    [main unit] [rf unit] s.=surface mount j831 6510007020 connector tmp-j01x-v6 j841 6510007020 connector tmp-j01x-v6 j901 6510007020 connector tmp-j01x-v6 j951 6510019990 s.Connector 52808-2290 p741 6510003240 connector tmp-p01x-a1 ds111 5080000370 lamp hrs-4160a w392 7030003860 s.Jumper erj3ge jpw v ...

  • Page 39

    [main unit] [main unit] s.=surface mount d3702 1160000140 s.Diode dap222 tl d3751 1790001250 s.Diode ma2s111-(tx) [usa] d3752 1790001250 s.Diode ma2s111-(tx) d3753 1790001250 s.Diode ma2s111-(tx) d3754 1790001250 s.Diode ma2s111-(tx) [den] d3755 1790001250 s.Diode ma2s111-(tx) [den] d3757 1790001250...

  • Page 40

    [main unit] [main unit] s.=surface mount r271 7310002590 s.Trimmer rv-109 (222) r272 7030003400 s.Resistor erj3geyj 471 v (470 Ω ) r273 7030003320 s.Resistor erj3geyj 101 v (100 Ω ) r274 7030003600 s.Resistor erj3geyj 223 v (22 k Ω ) r275 7030003400 s.Resistor erj3geyj 471 v (470 Ω ) r276 7030003320...

  • Page 41

    [main unit] [main unit] s.=surface mount r763 7030003360 s.Resistor erj3geyj 221 v (220 Ω ) r801 7030003560 s.Resistor erj3geyj 103 v (10 k Ω ) r802 7030003280 s.Resistor erj3geyj 470 v (47 Ω ) r803 7030003540 s.Resistor erj3geyj 682 v (6.8 k Ω ) r806 7030003440 s.Resistor erj3geyj 102 v (1 k Ω ) r8...

  • Page 42

    [main unit] [main unit] s.=surface mount r3702 7030003640 s.Resistor erj3geyj 473 v (47 k Ω ) r3703 7030003640 s.Resistor erj3geyj 473 v (47 k Ω ) r3704 7030003640 s.Resistor erj3geyj 473 v (47 k Ω ) r3705 7030003640 s.Resistor erj3geyj 473 v (47 k Ω ) r3706 7030003440 s.Resistor erj3geyj 102 v (1 k...

  • Page 43

    [main unit] [main unit] s.=surface mount c331 4510004630 s.Electrolytic ecev1ca100sr c332 4510004630 s.Electrolytic ecev1ca100sr c333 4030008950 s.Ceramic c2012 jb 1c 823k-t-a c334 4510004630 s.Electrolytic ecev1ca100sr c335 4030008880 s.Ceramic c1608 jb 1c 223k-t-a c336 4030011600 s.Ceramic c1608 j...

  • Page 44

    [main unit] [main unit] s.=surface mount c3507 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c3508 4030011600 s.Ceramic c1608 jb 1c 104kt-n c3509 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c3510 4510004630 s.Electrolytic ecev1ca100sr c3511 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c3512 4030006900 s.Cera...

  • Page 45

    [dsp board] [dsp board] s.=surface mount ic2001 1190000970 s.Ic adsp-21061lks-160 ic2041 1130008360 s.Ic tc7shu04fu (te85l) ic2042 1130008040 s.Ic tc7sh04fu ic2051 1130009310 s.Ic tc74vhc125ft (el) ic2052 1130009300 s.Ic tc7set08fu (te85l) ic2053 1130006080 s.Ic tc74hc02af (tp1) ic2054 1130009620 s....

  • Page 46

    [dsp board] [dsp board] s.=surface mount r2324 7030009780 s.Resistor rr0816q-680-d (68 Ω ) r2325 7030004040 s.Resistor erj3geyj 4r7 v (4.7 Ω ) r2326 7030003560 s.Resistor erj3geyj 103 v (10 k Ω ) r2327 7030003480 s.Resistor erj3geyj 222 v (2.2 k Ω ) r2328 7030003560 s.Resistor erj3geyj 103 v (10 k Ω...

  • Page 47

    [dsp board] [dsp board] s.=surface mount c2201 4030011600 s.Ceramic c1608 jb 1c 104kt-n c2202 4030011600 s.Ceramic c1608 jb 1c 104kt-n c2210 4510004630 s.Electrolytic ecev1ca100sr c2211 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c2212 4030011600 s.Ceramic c1608 jb 1c 104kt-n c2213 4030011600 s.Cerami...

  • Page 48

    [pll unit] [memory board] s.=surface mount ic1 1140008630 s.Ic mbm29f400bc-90pftn sc-1380 ic2 1140008470 s.Ic idt71256sa20pz r1 7030003680 s.Resistor erj3geyj 104 v (100 k Ω ) r2 7030003680 s.Resistor erj3geyj 104 v (100 k Ω ) c1 4030011600 s.Ceramic c1608 jb 1c 104kt-n c2 4030006860 s.Ceramic c1608...

  • Page 49

    [pll unit] [pll unit] s.=surface mount l51 6200008910 s.Coil 1812cs-122xkbc l52 6150004370 coil ls-472c l55 6200001830 s.Coil nl 322522t-100j l81 6150004830 s.Coil ls-509 l82 6150004830 s.Coil ls-509 l101 6200001830 s.Coil nl 322522t-100j l121 6200001830 s.Coil nl 322522t-100j l122 6200001830 s.Coil...

  • Page 50

    [pll unit] [pll unit] s.=surface mount r113 7030005390 s.Resistor rr0816p-102-d (1 k Ω ) r114 7030005400 s.Resistor rr0816p-202-d (2 k Ω ) r115 7030005380 s.Resistor rr0816p-102-b (1 k Ω ) r116 7030005370 s.Resistor rr0816p-202-b (2 k Ω ) r117 7030005380 s.Resistor rr0816p-102-b (1 k Ω ) r120 703000...

  • Page 51

    [pll unit] [pll unit] s.=surface mount r623 7030003200 s.Resistor erj3geyj 100 v (10 Ω ) r650 7030003470 s.Resistor erj3geyj 182 v (1.8 k Ω ) r651 7030003490 s.Resistor erj3geyj 272 v (2.7 k Ω ) r652 7030003370 s.Resistor erj3geyj 271 v (270 Ω ) r653 7030003230 s.Resistor erj3geyj 180 v (18 Ω ) r654...

  • Page 52

    [pll unit] [pll unit] s.=surface mount c139 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c147 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c150 4030011600 s.Ceramic c1608 jb 1c 104kt-n c151 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c152 4030007070 s.Ceramic c1608 ch 1h 330j-t-a c153 4030009910 s.Ceramic c...

  • Page 53

    [pll unit] [pll unit] s.=surface mount c503 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c504 4030011340 s.Ceramic c1608 ch 1h 471j-t-a c505 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c506 4030009510 s.Ceramic c1608 ch 1h 010b-t-a c507 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c508 4610001830 s.Trimmer ...

  • Page 54

    [filter unit] [pll unit] s.=surface mount p851 6510003240 connector tmp-p01x-a1 p901 6510003240 connector tmp-p01x-a1 w1 7030003860 s.Jumper erj3ge jpw v w2 7030003860 s.Jumper erj3ge jpw v w6 7030003860 s.Jumper erj3ge jpw v w10 7030003860 s.Jumper erj3ge jpw v w25 7030003860 s.Jumper erj3ge jpw v ...

  • Page 55

    [tuner unit] [filter unit] s.=surface mount c136 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c137 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c141 4010008290 ceramic hm95tj sl 271j 500v c142 4030011230 s.Ceramic grm42-6 ch 390j 500pt c143 4010008280 ceramic hm95tj sl 221j 500v c144 4010008280 ceramic hm...

  • Page 56

    [ctrl unit] [tuner unit] s.=surface mount c51 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c52 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c53 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c54 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c55 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c56 4030006880 s.Ceramic c16...

  • Page 57

    [ctrl unit] [ctrl unit] s.=surface mount r30 7030003360 s.Resistor erj3geyj 221 v (220 Ω ) r31 7030003480 s.Resistor erj3geyj 222 v (2.2 k Ω ) r32 7030003680 s.Resistor erj3geyj 104 v (100 k Ω ) r33 7030003530 s.Resistor erj3geyj 562 v (5.6 k Ω ) r34 7030003530 s.Resistor erj3geyj 562 v (5.6 k Ω ) r...

  • Page 58

    [ctrl unit] [ctrl unit] s.=surface mount c57 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c58 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c59 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c60 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c62 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c63 4030007090 s.Ceramic c160...

  • Page 59

    [pa unit] [pa unit] s.=surface mount r12 7030003300 s.Resistor erj3geyj 680 v (68 Ω ) r13 7030000220 s.Resistor mcr10ezhj 47 Ω (470) r14 7030000220 s.Resistor mcr10ezhj 47 Ω (470) r15 7030006180 s.Resistor erj1wyj101h (100 Ω ) r16 7030006180 s.Resistor erj1wyj101h (100 Ω ) r17 7030006130 s.Resistor ...

  • Page 60: Section 6

    Ds1 5080000450 slu2lc1ex5b-th 1 me1 5510000480 meter me-40 1 ep1 6910011090 sensor unit rms20-250-201-p 1 ep2 6450001230 plate hlj0999-01-480 1 ep3 6450001230 plate hlj0999-01-480 1 ep4 6910012500 unit board tfd50w40 1 mp1 8210016720 1876 front panel (b)-1 1 mp2 8010016722 1876 sub chassis-2 1 mp3 8...

  • Page 61

    Mp4 (f) me1 (f) mp1 (f) mp5 (f) mp7 (f) mp3 (f) mp6 (f) mp11 (f) mp51 (f) mp52 (f) mp8 (f) mp13 (f) mp9 (f) mp10 (f) mp29 (f) mp11 (f) mp12 (f) mp38 (c) mp12 (f) mp11 (f) j1 (mi) j2 (ke) j2 (ph) mp14 (f) + mp15 (f) mp43 (c) + mp42 (c) + mp45 (c) + mp44 (c) mp12 (f) mp15 (c) + j6 (c) mp15 (c) + j5 (c...

  • Page 62

    6 - 3 pa unit filter board ctrl board pll unit rf unit main unit dsp board tuner board mp81 (c) mp35 (c) mp204 (pl) mp722 (rf) mp742 (rf) mp812 (rf) mp832 (rf) mp602 (rf) mp502 (rf) mp907 (rf) mp28 (c) mp23 (c) mp72 (c) mp70 (c) mp47 (c) mp46 (c) mp63 (c) mp79 (c) ep1 (c) mp61 (c) mp31 (c) mp68 (c) ...

  • Page 63

    Mf1 2710000460 motor mp28ga 1 mf2 2710000460 motor mp28ga 1 mp1 8930041090 1876 a-angle 1 mp2 8810008660 screw ph bt m3 × 8 ni-zu 1 mp3 8810009060 screw fh m3 × 6 zk 4 mp4 8930041110 1876 b-angle 1 mp5 8810009060 screw fh m3 × 6 zk 2 mp6 8820000880 1528 screw 4 mp7 8930030111 1414 plate-1 2 mp8 8950...

  • Page 64: Section 7

    Section 7 semi-conductor information • transistor and fet's b e c dta144 ee tl (symbol: 16) 2sa1162 gr 2sa1576a t106r 2sa1577 2sb1124 s td 2sb1132 r 2sb1133 r 2sb1201 s 2sc1971 2sc1972 2sc2694 2sc2714 o 2sc3647 s td 2sc4081 t107 r 2sc4117 gr 2sc4213 b 2sc4403 3 tl 2sc4405 3 tl 2sc4673 d td 2sc5125 2...

  • Page 65

    7 - 2 b e c b e c e e b c c e1 c2 b1 c1 e2 b2 e1 c2 b1 c1 e2 b2 b e c c a1 a2 a1 a2 c1 c2 nc a c2 c1 a1 a2 c1 c2 b c e b c e dtb123 ek t147 dtc114 ee tl dtc114eu dtc144 ee tl umc3n tr umd3n tl umh11n tn un9211 (symbol: f12) (symbol: 24) (symbol: 14) (symbol: 26) (symbol: c3) (symbol: d3) (symbol: h1...

  • Page 66: Section 8

    Section 8 board layouts 8-1 pbt, rit and mic boards • pbt board to display board j601 j1 5vf pitl pb1b pb2b gnd 9 1 10 2 no tl pb1a pb2a gnd gnd r1 s1 pbt1/pbt2 notch/cw pitch • rit board • mic board rit to display board j120 j1 gnd gnd gnd gnd 5vf 9 1 10 2 gnd gnd gnd rdn ru p s1 to display board j...

  • Page 67

    Power transmit tuner monitor af, rf/sql mic gain rf power key speed bk-in delay bal / nr comp nb nr 7 8 5 8 4 1 1 14 w512 8-2 display board • display board (top view) 8 - 2.

  • Page 68

    1 8 16 9 26 25 75 76 1 100 50 51 1 4 8 5 8 1 5 4 1 4 8 5 1 14 8 1 1 16 32 17 7 7 14 8 splk 3k 10k 18k 24k 50k fink mprk 2 16 1 15 1k 7k 14k 21k 28k genk mpwk gnd j221 mupk mwk tsk lock notk 5vf ldv txd 2 24 1 23 mdnk mclk xfck pbtk ki4 ki3 locd rxd notd pbtd gnd gnd gnd gnd gnd gnd j241 to ten-key b...

  • Page 69

    A b c d e f g f-1 f-2 f-3 f-4 f-5 ssb cw / rtty am / fm filter exit speech split up down 1.8 3.5 7 14 18 24 28 50 10 21 dw mw m-cl pbt-cl notch f-inp mp-w mp-r v/m gene m/s rit lock tx clear ts xfc change 8-3 mode, phone, key and ten-key boards • mode board (top view) • phone board to display board ...

  • Page 70

    To display board j201 j1 gnd 5vf ki2 cwk filk spek f2k f4k 15 16 1 2 gnd ki1 ssbk amk extk f1k f3k f5k j1 splk 3k 10k 18k 24k 50k fink mprk 16 2 1 15 1k 7k 14k 21k 28k genk mpwk gnd to disp board j j2 mupk mwk tsk lock notk 5vf ldv txd notd gnd gnd gnd 24 1 2 23 mdnk mclk xfck pbtk ki4 ki3 locd rxd ...

  • Page 71

    4 1 8 8 5 4 1 5 14 8 7 1 from pll unit j851 mkr 1loa 1lob p851 from pll unit j351 p351 from pll unit j651 p651 from pa unit j1 pai p1 from pll unit j81 2lo p81 s3lo from pll unit j801 p801 rx s2lo from ctrl unit j2 from pll unit j901 p2 p901 to main unit j101 t/r2if p741 xvrt rant j951 to main unit ...

  • Page 72

    16 9 8 1 1 9 18 10 8 - 7 • rf unit (bottom view).

  • Page 73

    Gnd nc 14v psel con1 gnd 14v dres 5v pstb 5v unlk con2 con0 j1 to main unit j841 nc 8v 1 2 15 16 to rf unit j901 2lo p81 to rf unit j481 mkr p851 to rf unit j481 s3lo p801 to rf unit j831 s2lo p901 to main unit j211 3lo p701 to rf unit j661 1lob p651 to rf unit j561 1loa p351 4 1 5 16 9 8 1 8 4 1 8 ...

  • Page 74

    8 - 9 • pll unit (bottom view).

  • Page 75

    8 5 4 1 5 8 1 5 1 2 4 1 8 5 4 1 1 4 8 5 5 8 8 1 16 1 8 9 9 8 1 8 1 16 9 16 16 9 8 1 16 9 4 1 1 4 8 5 10 11 20 1 8 5 1 4 8 5 1 4 5 8 4 1 14 8 7 1 14 8 7 1 102 103 128 14 8 1 10 11 20 1 1 10 10 11 11 20 20 1 10 11 20 23 44 22 33 32 64 65 96 97 128 1 1 14 8 1 7 1 7 1 38 39 64 65 c3725 r241,c245 c453 c3...

  • Page 76

    14 8 8 7 10 6 1 5 10 6 1 5 10 8 5 1 4 14 1 15 28 6 1 5 1 14 7 1 4 1 5 8 14 4 1 5 8 8 1 7 1 12 24 13 l227 c363 r3013 c3012 • main unit (bottom view) 8 - 11.

  • Page 77

    Gnd grif dmaf gnd d5v a d5v a d5v a j2001 to main unit j201 30 29 2 1 dt af draf gnd gnd gnd gnd fmtl gnd gnd dtif gnd gnd gnd gnd gnd ag c gnd − 8v − 8v − 5v − 5v 8v 8v gnd gnd md a t dsfw r tdt ctfl dsfr j2002 to main unit j202 30 29 2 1 mck nc nc dsdr gnd n5v_d gnd a grs gnd dsky dsrs a cks msli ...

  • Page 78

    A18 a17 a16 a15 a14 a9 a8 a13 a12 a4 a3 a7 a6 a5 j1 to main unit j3503 15 16 30 1 vcc a2 a1 byte vcc a0 gnd reset gnd a11 a10s gnd gnd a10f gnd gnd d8 d9 d10 d11 d12 d7 d6 d13 d14 d2 d1 d5 d4 d3 j2 to main unit j3504 15 16 30 1 cs3 d0 gnd rd cs0 gnd hwr rd gnd d15 gnd gnd gnd gnd gnd gnd 8 21 7 1 22...

  • Page 79

    Pat 8 icl h5v 8v 14v a pwrs ich 14v 14v 14v 14v 8v 14v a 14v j3 j11 to main unit j771 to chassis mf1 to filter unit to filter unit 29 30 1 1 2 2 gnd 14v 5v gnd gnd mf + mf − nc gnd gnd gnd 14v 5v gnd gnd hv gnd gnd phv pgnd bla ck red to fil ter unit j1 p2 pao to rf unit j151 p1 pai 8-9 pa unit 8 - ...

  • Page 80

    J3 to ctrl unit j13 2 10 1 9 l4s l6s l1s gnd l7s l2s l3s l5s gnd l8s to chassis j4 to chassis j4 fhv fgnd bla ck red from pa unit j2 pao from ctrl unit j1 p1 ctin p2 to pa unit ep5 pgnd bla ck to pa unit ep4 phv red 8-10 filter unit 8 - 15.

  • Page 81

    3.5m 10m 18m vhf nc gnd 7m 14v co2 14v co3 14m 24m gnd j5 to ctrl unit j8 to ctrl unit j3 21 22 1 2 gnd co1 ci3 ci2 gnd ci1 gnd nvhf tuin p3 1 9 10 18 1 9 10 18 to ctrl unit j4 tuot p4 8-11 tuner board 8 - 16.

  • Page 82

    14 8 4 1 1 7 10 4 1 8 5 18 9 1 16 9 8 1 8 14 9 16 1 8 5 5 8 4 1 8 1 7 4 5 8 1 rfrx p2 to rf unit j781 p3 from tuner board j3 tuin to tuner board j5 from filter unit j3 from main unit j741 j6 chassis tuot ctin p4 p1 from tuner board j4 to filter unit j2 ant2 j5 chassis ant1 t14v aw ax ay az j11 1 5 t...

  • Page 83

    Clock gene ic2041 tc7shu04fu ic2042 tc7sh04fu x2041 cr-568 40mhz ic2001 adsp-21061lks-160 level conv ic2051 tc74vhc125ft timing ic2053 tc74hc02af ic2054 tc74vhc74ft level conv dsp level conv ic2072 tc74vhc541ft rom ic2071 sc-1371 level conv ic2061,ic2063 ic2065,ic2066 tc7set08fu ctfl rtdt nsqo dcwk ...

  • Page 84

    J2 c3 0.0047 44 45 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 82 81 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 15 13 12 11 10 9 8 7 6 5 4 3 2 1 p81/seg26 p82/seg27 p83/seg28 p84/seg29 p85/seg30 p86/seg31 p87/seg32 p90/seg33 p91/seg3...

  • Page 85

    10 - 2 240 239 238 237 236 235 234 233 232 231 230 229 228 227 226 225 224 223 222 221 220 219 218 217 216 215 214 213 212 211 210 209 208 207 206 205 204 203 202 201 200 199 198 197 196 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21...

  • Page 86

    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 p62/an2 p61/an1 p60/an0 p57/int3 p56/pwm p55/cntr1 p54/cntr0 p53/srd y2 p52/sclk2 p51/sout2 p50/sin2 p47/srd y1 p46/s...

  • Page 87

    J741 l705 100uh l706 100uh l707 100uh l704 100uh l703 hf50acc322513-b l702 hf50acc322513-b l701 exc-eldr25c r763 220 r761 220 r762 220 l718 exc-eldr25c c704 0.1 c705 0.1 c703 0.1 c702 0.1 t/r 2if j101 c713 0.1 c712 0.1 c711 0.1 c710 0.1 c709 0.1 c708 0.1 c707 0.1 c706 0.1 l716 hf50acc322513-b l715 1...

  • Page 88

    14 13 12 11 10 9 8 7 6 5 4 3 2 1 ss mosi miso vsdd nc nc nc nc nc nc vssa vssa audout amcap sclk vccd xclk int rac vssa nc nc nc nc vcca anain+ anain- nc 15 16 17 18 19 20 21 22 23 24 25 26 27 28 c3008 4.7 c3001 1 w3001 w3014 r3004 47k ic3001 isd33120s c3003 0.1 c3005 0.1 r3027 82k r3025 10k r3026 1...

  • Page 89

    100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 3 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 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 r112 2k ...

  • Page 90

    R14 47 r13 47 q2 2sc1972 q3 2sc1972 c21 0.001 r20 10 r21 10 c23 0.001 r23 10 r24 10 l10 r27 10 r26 10 q4 2sc5125 q5 2sc5125 r42 5.6 r41 5.6 l7 lr-83 c25 200p c116 100p l6 lr-393 c58 0.001 l4 lr-143 l2 exc-eldr25c r16 100 r15 100 c12 0.0047 c11 0.0047 c7 0.0047 r10 680 q1 2sc1971 r5 390 r6 220 r7 4.7...

  • Page 91

    Rant xvrt j111 ds111 hrs-4160a r112 2p-50-w1l301 r111 10k c116 47p c115 15p l112 0.12uh c114 82p l111 82nh c113 75p c112 33p c111 0.1 j101 rx from ctrl unit j2 d101 1ss302 d102 1ss302 rl101 ahy103 c101 0.0047 rl121 ahy103 r121 47 c121 0.0047 r123 150 c122 0.0047 r122 100 r124 68 c131 0.1 d131 1sv265...

  • Page 92

    6-9-16, kamihigashi, hirano-ku, osaka 547-0002, japan phone : 06 6793 5302 fax : 06 6793 0013 communication equipment himmelgeister str. 100, d-40225 düsseldorf, germany phone : 0211 346047 fax : 0211 333639 url : http://www.Icomeurope.Com unit 9, sea st., herne bay, kent, ct6 8ld, u.K. Phone : 0122...

  • Page 93

    6-9-16, kamihigashi, hirano-ku osaka 547-0002, japan s-13604hz-c1 printed in japan c 2000 icom inc..