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Icom IC-F30GS Servise Manual

Manual is about: Icom VHF transceiver Service manual

Summary of IC-F30GS

  • Page 1

    S-13805mz-c1- w © 2002 icom inc. 1-1-32, kamiminami, hirano-ku, osaka 547-0003, japan vhf transceiver ic-f30gt ic-f30gs ic-f3 1 gt ic-f3 1 gs ic-f30gt ic-f30gs ic-f31gt ic-f31gs.

  • 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

    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: Section 1

    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 (with bp-210) rf output power modulation system maximum permissible deviation spurio...

  • Page 5: Section 2

    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: Section 3

    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 scr...

  • Page 7: Section 4

    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 4-2-3 drive/power amplifier circuits the drive/power amplifier circuits amplify the vco oscillat- ing signal to an output power level. The signal from the vco circuit passes through the t/r switch (d4), and is amplified at the ygr (q3), drive (q2), power (q1) amplifiers to obtain 5 w of rf pow...

  • Page 10

    4 - 4 4-4 power supply circuit voltage line 4-5 port allocations 4-5-1 cpu (ic14) 4-5-2 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 ([vol] con...

  • Page 11

    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...

  • Page 12

    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 13

    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 µ f 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 fre...

  • Page 14

    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 15

    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 connec...

  • Page 16

    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 push [en...

  • Page 17: Section 6

    [ gt ]: ic-f30 gt /f31 gt , [ gs ]: ic-f30 gs /f31 gs , [ f30 g]: ic- f30 gt/ f30 gs, [ f31 g]: ic- f31 gt/ f31 gs [ is ]: intrinsically safe version [front unit] [front unit] *=safety critical components s.=surface mount ic1 1130009860 s.Ic tc74vhc373ft (el) ic2 1110002750 s.Ic ta75s01f (te85r) q1 ...

  • Page 18

    *=safety critical components s.=surface mount [main unit] [main unit] ic1 1130009130 s.Ic sa7025dk-t ic2 1130008560 s.Ic tc75s51f (te85l) ic3 1110003490 s.Ic ta31136fn (d, el) ic4 1130008560 s.Ic tc75s51f (te85l) ic5 1110001810 s.Ic ta7368f (tp1) ic7 1110003780 s.Ic njm2902v-te1 ic9 1130009330 s.Ic ...

  • Page 19

    *=safety critical components s.=surface mount [main unit] [main unit] r1 7030003670 s.Resistor erj3geyj 823 v (82 k Ω ) r2 7030000280 s.Resistor mcr10ezhj 150 Ω (151) r3 7030003480 s.Resistor erj3geyj 222 v (2.2 k Ω ) r4 7030003480 s.Resistor erj3geyj 222 v (2.2 k Ω ) r5 7030005040 s.Resistor erj2ge...

  • Page 20

    *=safety critical components s.=surface mount [main unit] [main unit] r195 7030005040 s.Resistor erj2gej 472 x (4.7 k Ω ) r196 7030005050 s.Resistor erj2gej 103 x (10 k Ω ) r197 7030005040 s.Resistor erj2gej 472 x (4.7 k Ω ) r198 7030005050 s.Resistor erj2gej 103 x (10 k Ω ) r199 7030005040 s.Resist...

  • Page 21

    [main unit] [main unit] c21 4030014220 s.Ceramic ecue1e471kbq c22 4030013850 s.Ceramic ecue1e102kbq c23* 4550006660 s.Tantalum ecst1cc226r c24 4030014220 s.Ceramic ecue1e471kbq c26 4030013850 s.Ceramic ecue1e102kbq c27 4030013850 s.Ceramic ecue1e102kbq c28 4030014180 s.Ceramic ecue1h470jcq c29 40300...

  • Page 22

    [main unit] [main unit] c213* 4550006320 s.Tantalum ecst0jy475r c214 4550006360 s.Tantalum ecst1vy104r c215 4030016930 s.Ceramic ecj0eb1a104k c216 4030016950 s.Ceramic ecj0eb1a473k c217 4030016930 s.Ceramic ecj0eb1a104k c218 4030016760 s.Ceramic ecue1e472kbq c219 4030014500 s.Ceramic ecue1h121jcq c2...

  • Page 23

    [main unit] c399 4030016760 s.Ceramic ecue1e472kbq c400 4030013850 s.Ceramic ecue1e102kbq c401 4030014180 s.Ceramic ecue1h470jcq c402* 4550006950 s.Tantalum ecst0jx476r c403 4030006860 s.Ceramic c1608 jb 1h 102k-t c404 4030014180 s.Ceramic ecue1h470jcq c405 4030014180 s.Ceramic ecue1h470jcq c406 403...

  • Page 24: Section 7

    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 25

    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 ic-f30gt and ic-f31gt parts mp50 (c) mp22 (c) mp37 (c) mp61 (c) mp19 (c) mp26 (c) ...

  • Page 26

    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 27

    The combination of this page and the next page shows the unit layout in the same configuration as the actual p.C. Board. Surface inside 1 inside 2 under side 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 28

    Surface inside 1 inside 2 under side 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 ...

  • Page 29

    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 under side inside-2 inside-1 surface 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...

  • Page 30

    Under side inside-2 inside-1 surface 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 actu...

  • Page 31

    10 - 1 section 10 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...

  • Page 32

    11 - 1 opv21 opv22 opv23 fclr mske rgs2 ds3 lcd lnj310m6ura 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 c4 1 c23 ...

  • Page 33

    Unit ant filter r1 82k r2 150 c4 0.001 cp2 c5 0.001 c6 0.001 l4 4.7 h cp1 l2 44nh l3 50nh c1 33p c2 33p c417 10p c418 5p c419 1.5p c3 18p l1 32nh c416 10p d1 ma77 l9 l10 25nh exccl3225u1 l14 exccl3225u1 c16 1 c18 0.001 c7 47p c17 0.001 c21 470p c24 470p c27 0.001 c28 47p c23 22 t5v r14 r18 100 10 fi...

  • Page 34

    11 - 1 up ic-f30gt/gs voltage diagram 195 195 195 210 opv21 opv22 opv23 fclr mske rgs2 ds3 lcd lnj310m6ura 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....

  • Page 35

    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 36

    S-13805mz-c1- w © 200 1 icom inc. 1-1-32, kamiminami, hirano-ku, osaka 547-0003, japan vhf transceiver ic-f30gt ic-f30gs ic-f3 1 gt ic-f3 1 gs ic-f30gt ic-f30gs ic-f31gt ic-f31gs.