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Icom IC-F30GS Service Manual

Manual is about: Icom VHF transceiver Service manual

Summary of IC-F30GS

  • Page 1

    Vhf transceiver ic-f30gt ic-f30gs ic-f3 1 gt ic-f3 1 gs.

  • Page 2

    Introduction this service manual describes the latest service information for the ic-f30gt/gs and ic-f31gt/gs vhf transceiver at the time of publication. To upgrade quality, all electrical or mechanical parts and inter- nal circuits are subject to change without notice or obligation. Danger never co...

  • Page 3

    3 table of contents section 1 specifications section 2 inside views section 3 disassembly instructions section 4 circuit description 4 - 1 receiver circuits ................................................................................................... 4 - 1 4 - 2 transmitter circuits .............

  • Page 4

    Measurement method frequency coverage type of emission number of conventional channels power supply requirement current drain (approx.) frequency error usable temperature range dimensions (proj. Not included) weight (approx.) rf output power modulation system maximum permissible deviation spurious e...

  • Page 5

    2 - 1 section 2 inside views • front unit bottom view • main unit top view • main unit bottom view key led switch (q1, q2: 2sc4116) lcd module (ds10: edmmu1fa0) internal speaker switch circuit (q6, q7: cph3403, q8: 2sc4081, q9: dtc144eua) expander ic (ic1: tc74vhc373ft) antenna switching (d1, d25, d...

  • Page 6

    3 - 1 section 3 disassembly instructions 1 removing the chassis panel 2 removing the shield plate 3 removing the main unit 4 removing the front unit q remove 2 knobs a , and unscrew 1 nut b. W unscrew 1 screw c (icom screw), and 2 screws d (2 × 4 mm, black) from the 9-pin connector. E unscrew 2 scre...

  • Page 7

    4 - 1 section 4 circuit description 4-1 receiver circuits 4-1-1 antenna switching circuit the antenna switching circuit functions as a low-pass filter while receiving and a resonator circuit while transmitting. This circuit does not allow transmit signals to enter the receiver circuits. Received sig...

  • Page 8

    4 - 2 4-1-5 af amplifier circuit the af amplifier circuit amplifies the demodulated af sig- nals to drive a speaker. The af signals from the fm if ic (ic3, pin 9) are amplified at the af amplifier section of the compander ic (ic9, pins 5, 4) and are then applied to the high-pass filter circuit (ic7a...

  • Page 9

    4 - 3 4-2-4 apc circuit the apc circuit (ic4, q22) protects the drive and power amplifiers from excessive current drive, and selects output power of high, low2 or low1. The power detector circuit (d2) detects the transmit power output level and converts it into dc voltage. The output volt- age is at...

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    4 - 4 4-4 ffsk circuit description 4-4-1 general ic9 is the compounder ic which is controlled by serial data bus line (“trd”, “mske”, “din”, “sck”, “apst”, “regs1”, “regs2”, “rtm”, “rdt”, “fclr” signals) from the cpu. The ic is composed of ffsk transmitting and receiving cir- cuits, data register ci...

  • Page 11

    4 - 5 4- 5 power supply circuit voltage line 4- 6 port allocations 4- 6 -1 cpu (ic14) 4- 6 -2 i/o expander (ic23) line hv vcc cpu5v +5v s5v t5v r5v description the voltage from the attached battery pack. The same voltage as the hv line (battery volt- age) which is controlled by the power swtich ([vo...

  • Page 12

    5 - 1 5-1 preparation when you adjust the contents on pages 5-5 and 5-6, software adjustment, the optional cs-f30g adj adjustment soft- ware (rev. 1.0 or later), *opc-966 jig cable (modified opc-966 cloning cable ) are required. ■ required test equipment section 5 adjustment procedures ■ system requ...

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    5 - 2 cs-f30g adj rev.1.0 file com 1: open option connect reload (f5) disp para [a / d] vin : 197 : c5h : 7.73 v temps : 190 : beh : 32.23 'c lvin : 67 : 43h : 1.31 v sd : 27 : 1bh : 0.53 v bdet : 0 : 00h : 0.00 v (ni-cd, ni-mh) power (hi) : 98 [ # # # # # # # # – – – – – – – – – – – ] power (l2) : ...

  • Page 14

    5 - 3 + + – audio generator 300 hz to 3 khz ac millivoltmeter sp+ sp– mice mic ptt ptte add a jumper wire here • *opc-966 (jig cable) electrolytic capacity 47 µf opc-966 (cloning cable) sinad meter speaker (8 Ω) audio generator • connection to the antenna connector rf power meter 0.1–10 w/50 Ω frequ...

  • Page 15

    5 - 4 5-2 pll adjustment pll lock voltage 1 2 3 4 • operating freq. : 136.000 mhz • receiving • transmitting • operating freq. : 174.000 mhz • receiving • transmitting main connect a digital multi- meter or an oscillo- scope to the check point, “lv”. 1.2 v 1.0 v 3.0–4.5 v main c372 c373 verify adjus...

  • Page 16

    5 - 5 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 1 • operating freq. : 174.000 mhz • output power : low1 • connect an rf power meter or 50 Ω dummy load to the antenna connector. • ...

  • Page 17

    5 - 6 *the output level of the standard signal generator (ssg) is indicated as the ssg’s open circuit. Software adjustment – continued select an operation using [ ↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard. Minimum distortion level set “sql level”...

  • Page 18

    [front unit] [front unit] ic1 1130009860 s.Ic tc74vhc373ft (el) t ic2 1110002750 s.Ic ta75s01f (te85r) t q1 1530002850 s.Transistor 2sc4116-bl (te85r) t q2 1530002850 s.Transistor 2sc4116-bl (te85r) t q3 1590002150 s.Transistor dtc144te tl t q4 1590002150 s.Transistor dtc144te tl t q5 1590002150 s.T...

  • Page 19

    [main unit] ic1 1130009130 s.Ic sa7025dk-t t ic2 1130008560 s.Ic tc75s51f (te85l) b ic3 1110003490 s.Ic ta31136fn (d,el) b ic4 1130008560 s.Ic tc75s51f (te85l) b ic5 1110001810 s.Ic ta7368f (er) b ic7 1110003780 s.Ic njm2902v-te1 b ic9 1130009330 s.Ic tc35453f (br,dry) b ic12 1110003390 s.Ic an8005m...

  • Page 20

    [main unit] [main unit] r16 7030005590 s.Resistor erj2gej 680 x (68 Ω) t r17 7030007570 s.Resistor erj2gej 122x (1.2 k Ω) t r18 7030004980 s.Resistor erj2gej 101 x (100 Ω) b r19 7030005050 s.Resistor erj2gej 103 x (10 k Ω) t r20 7030005120 s.Resistor erj2gej 102 x (1 k Ω) b r21 7030004980 s.Resistor...

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    [main unit] [main unit] r222 7030005090 s.Resistor erj2gej 104 x (100 k Ω) t r223 7410000580 s.Array exb-v4v 224jv (220 k Ω) t r224 7030005090 s.Resistor erj2gej 104 x (100 k Ω) b r225 7030005090 s.Resistor erj2gej 104 x (100 k Ω) b r226 7510001470 s.Thermistor ntcg20 4ag 473jt t r227 7030005090 s.R...

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    [main unit] [main unit] c66 4030014420 s.Ceramic ecue1h0r5bcq t c67 4030014130 s.Ceramic ecue1h120jcq b c68 4030014240 s.Ceramic ecue1h180jcq t c69 4030007050 s.Ceramic c1608 ch 1h 220j-t t c70 4030017580 s.Ceramic ecj0ec1h060c b c71 4030016820 s.Ceramic ecue1hr75bcq t c72 4030014440 s.Ceramic ecue1...

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    [main unit] [main unit] c271 4030017030 s.Ceramic ecj0eb1a273k b c272 4030014180 s.Ceramic ecue1h470jcq t c273 4030014180 s.Ceramic ecue1h470jcq b c275 4030014180 s.Ceramic ecue1h470jcq t c276 4030014150 s.Ceramic ecue1h220jcq b c277 4030014100 s.Ceramic ecue1e070ccq b c278 4030016790 s.Ceramic ecj0...

  • Page 24

    [main unit] j3 6510022360 s.Connector 26flz-sm1-tb t f1 5210000710 s.Fuse kab 2402 322 na29 [f31g] t 5210000880 s.Fuse 043403.5nrp [f30g] t s1 2250000180 encoder ec10sp16-47 b w2 7030003860 s.Resistor erj3ge jpw v b w3 7030003860 s.Resistor erj3ge jpw v t w4 7030003860 s.Resistor erj3ge jpw v b w5 8...

  • Page 25

    7 - 1 section 7 mechanical parts and disassembly mp1 8210017211 2337 front panel-1 assembly [gt] 1 8210017350 2337 s-front panel assembly [gs] 1 mp2 8310049450 2337 window plate 1 mp4 8930052850 2337 release button 1 mp5 8930052970 2337 ptt plate 1 mp8 8210017100 2337 rear panel 1 mp9 8210017080 233...

  • Page 26

    7 - 2 note (m): main unit ( f ): front unit (c): chassis parts front unit main unit mp1 (c) mp1 (c) mp2 (c) mp63 (c) mp58 (c) mp29 (c) mp13 (c) mp63 (c) mp13 (c) ds10 (f) sp1 (f) mp9 (c) mp51 (c) ic-f30gs and ic-f31gs mp50 (c) mp22 (c) mp37 (c) mp61 (c) mp20 (c) mp26 (c) mp19 (c) mp5 (c) mp57 (c) mp...

  • Page 27

    Ma713 min a1 a2 c1 c2 8 - 1 section parts list section 8 semi-conductor information 8 - 1 transistors and fets 8 - 2 diodes name symbol inside view name symbol inside view ma742 m1u a c a c dan202u n c a1 a2 dap202u p a1 c2 c1 name symbol inside view 1sv245 t3 hvc350btrf bo a c ma77 4b a c 2sk2974 k...

  • Page 28

    The combination of this page and the next page shows the unit layout in the same configuration as the actual p.C. Board. 1 p0 p1 p2 p3 4 7 2 5 8 0 3 6 9 # ✽ microphone 9 - 1 9 - 1 front unit section 9 board layouts • top view.

  • Page 29

    Gnd spcn d0 frst ptt d5 d4 d3 d2 d1 rdb wrb rs gnd resb vcc kr0 kr1 kr2 kr3 mic+ sp+ gnd +5v d7 d6 nc d6 vr1 vee3 nc d1 d2 d3 d4 d5 d7 osc0 osc1 vss pmode vdd vee cap– cap+ vee2 1 5 10 15 20 25 30 35 40 vout vr2 scl wrb rdb d0 m86 vs/te resb csb rs m/s p/s v1 v2 v3 nc nc v0 v4 lcd ptt f2 f3 f3 f0 to...

  • Page 30

    The combination of this page and the next page shows the unit layout in the same configuration as the actual p.C. Board. 9 - 3 s1 ant battery+ r193 gnd spcn d0 frst ptt d5 d4 d3 d2 d1 rdb wrb rs gnd resb vcc kr0 kr1 kr2 kr3 mic+ sp+ gnd +5v d7 d6 to front unit j1 1 26 8 7 2 4 5 6 9 afo vcc detect mi...

  • Page 31

    S1 cp3 r193 8 7 2 4 5 6 9 3 1 8 7 2 4 5 6 9 3 1 1 2 3 4 5 6 int sp sw af vr power sw ch select ptt mic xtxd xrxd reset mice detect vcc afo • bottom view the combination of this page and the previous page shows the unit layout in the same configuration as the actual p.C. Board. 9 - 4 main unit.

  • Page 32

    10 - 1 section 10 bc-137 optional desktop charger informasion ref. No. Oder no. Description qty. Mp1 8010018030 2338 case 1 mp2 8110007080 2338 cover 1 mp3 8930050920 2327 spacer 1 mp4 8930039620 leg cushion (a) 4 mp5 8810008660 screw bt m3 x 8 ni-zu 1 [chassis unit] 10-1 parts list 10-2 disassembly...

  • Page 33

    10 - 2 10-3 voltage diagram 10-4 board layout j2 j1 q1 2sb1201 s r5 10 k d2 1ss184 r1 24 r2 24 w1 charge+ gnd temp ds1 tlg124a c4 0.1 r6 27 c2 0.1 r7 2 k r8 2 k r9 56 k r10 10 k r4 10 k q4 2sc2712 gr c3 0.1 q2 rn2404 r3 27 d1 1ss355 q3 rn1409 d3 ma8056 m r11 1 k c1 0.1 13.80 v 12.49 v 12.47 v 11.82 ...

  • Page 34

    11 - 1 section 11 block diagram ic2 tc75s51f mic amp 136-174 mhz d2 ma713 q1 2sk2974 d1, d24, d25 ma77 q2 2sk2973 q3 2sc4226 main unit main unit vco sw vcos d4, d5: ma77 q6 2sc4215 q8 2sc4215 q9 dtc144eu q10 xp1214 rx vco q13 xp6501 q11: 2sc4226 d6, d40–d42: hvc350b q12: 2sc4226 d8, d43–d45: hvc350b...

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    12 - 1 opv21 opv22 opv23 fclr mske rgs2 ds3 ds3 lcd lnj310m6ura ds4 ds4 lnj310m6ura nc 1 2 3 4 5 6 7 8 9 40 j2 ds2 lnj310m6ura r8 560 ds13 lnj310m6ura ds5 lnj210c6ara r13 330 q4 dtc144te q3 dtc144te q1 2sc4116 r2 1.5k r1 3.3k r3 22 r5 820k r6 390k c20 47p c2 0.1 c3 0.1 r4 820k c22 0.1 d7 d6 c1 0.1 c...

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    12 - 2 main unit pll vcc s5v t5v pllin vcos s5v r5v mixin rssi vag afout rxdt duse r5v mici vcc cpu5v +5v s5v xout vin2 tone rxin idcin txfo mskgs mskin vag ant filter r1 82k r2 150 c4 0.001 cp2 c5 0.001 c6 0.001 l4 4.7 µh cp1 l2 44nh l3 50nh c1 33p c2 33p c417 10p c418 5p c419 1.5p c3 18p l1 32nh c...

  • Page 37

    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 38

    1-1-32, kamiminami, hirano-ku, osaka 547-0003, japan s-13805mz-c1-3 c 2001-2003 icom inc..