Summary of ic-f5021
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S-14524xz-c1 feb. 2009 vhf mobile transceivers.
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This service manual describes the latest technical information for the ic-f5021 ic-f5022 ic-f5023/h ic-f5026/h ic-f5028h vhf mobile transceivers at the time of publication. Never connect the transceiver to an ac outlet or to a dc power supply that uses more than specified. This will ruin the transce...
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Table of contents section 1 specifications section 2 inside views section 3 disassembly instruction section 4 optional unit installation section 5 circuit descripiton 5-1 receiver circuits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 4: Section 1. Specifications
1 - 1 section 1. Specifications [usa], [rus], [chn], [exp] [eur] general • frequency coverage 136–174 mhz [usa], [chn], [exp] 146–174 mhz [rus] 136–174 mhz • type of emission wide 16k0f3e (25.0 khz) middle – 14k0f3e (20.0 khz) narrow 11k0f3e (12.5 khz) 8k50f3e (12.5 khz) • number of programable chan...
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1 - 2 [usa], [rus], [chn], [exp] [eur] receiver • receive system double-conversion superheterodyne • intermediate frequencies 1st if; 46.35 mhz, 2nd if; 450 khz • sensitivity 0.25 μ v typ. At 12 db sinad −4 db μ v (emf) typ. At 20 db sinad • squelch sensitivity (at threshold) 0.25 μ v typ. −4 db μ v...
Page 6: Section 2. Inside
2 - 1 section 2. Inside views • front unit (top view) cpu (ic1) lcd driver (ic6) tone lpf (ic5) tone filter switch (q3) eeprom (ic3) clock frequency shift diode (d6) backlight controller (q5) dimmer controller (q2) backlight driver (q1) reset ic (ic2).
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2 - 2 • main-a unit (top view) if ic (ic1) lpf (q39) pll ic (ic4) cpu5 line regulator (ic10) ripple filter (q17) vco switch (q15) power switch (q23) +8 regulator (ic9) lock volatge buffer (q18) wide/narrow phase shifter switch (q5) r8 regulator (q30) power switch (q24) apc amp (ic2) wide/narrow 2nd ...
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2 - 3 vco • main-a unit (bottom view) af/tone filter (ic16) af power amp (ic8) af mute switch (q35, q36) ext. Modulation line switch (q31) reference frequency oscillator (x2) reference oscillator modulation amp (ic19) d/a converter (ic18) af pre-amp (ic15) expander (ic17) analog switch (ic14) d/a co...
Page 9: Section 3. Disassembly
3 - 1 section 3. Disassembly instruction flat cable top cover front panel speaker cable main unit unsolder solder remover main unit main unit 1) unscrew 4 screws from the top cover, and remove the top cover. 2) disconnect the fl at cable and speaker cable. 3) unscrew 2 screws from the both sides, an...
Page 10: Section 4
4 - 1 section 4 optional products installation install optional ut-108 as follows; 1) turn the transceiver off, then disconnect the dc cable. 2) unscrew 4 screws, then remove the bottom cover. 3) install the unit as shown below. 4) recover the bottom cover, screws and dc power cable. Install optiona...
Page 11: Section 5. Circuit
5 - 1 1st if circuits the rx signals from the bpf are mixed with the 1st lo signals to be converted into the 46.35 mhz 1st if signal. The 1st lo signals are generated by the rx vco (q14, d33, d34, l26, l39, etc.), and passed through the lo sw (d15) and attenuator, then applied to the 1st mixer (q3) ...
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5 - 2 • rx af circuits af circuits the demodulated af signals from the if ic (ic1) are amplified and filtered by the hpf (ic16), and passed through the af line sw (ic14) and lpf (ic16). The filtered af signals are adjusted its level (=loudness) by the d/a converter (ic18), and applied to the af amp ...
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• tx af circuits • modulation circuits • tx amplifiers apc circuit 5 - 3 5-2 transmitter circuits mic amplifier (front unit) audio signals from the connected microphone are applied to the mic amp (ic5) via the microphone connector (j1). The amplifi ed mic signals are applied to the main unit. Tx af ...
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5 - 4 5-3 frequency synthsizer circuits vcos the tx vco which generates tx signal is composed by q13, d16, d31, l25, l38, etc., and the frequency modulation is carried out by applying modulation signals to d18. The rx vco which generates 1st lo signals is composed by q14, d33, d34, l26, l39, etc. Th...
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5 - 5 5-5-1 cpu (front unit; ic1) pin no. Port name description 1−3 kr1− kr3 input ports for dealer-programmable keys. 4−8 ks0− ks4 output ports for dealer-programmable keys. 10 ccs outputs chip-select signal to the attached optional unit. 19− 21 cenc0− cenc2 output ports for ctcss/dtcs signal. 23 d...
Page 16: Section 6. Adjustment
6 - 1 section 6. Adjustment procedure equipment grade and range equipment grade and range cloning software cs-f5020 : revision 1.0 or later jig cable modifi ed opc-1122u (see the illust below) dc power supply output voltage current capacity : 13.6 v dc except [eur] 13.2 v dc [eur] : more than 20 a a...
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6 - 2 m adjustment frequencies before starting adjustment, clone adjustment frequencies and settings into the transceiver as below. • for except [f5026] • for [f5026] select “middle” note: for [f5022], when adjust “deviation,” “modulation balance,” “rx sensitivity” and “s-meter” in the middle band, ...
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6 - 3 m adjustment utility window (example) m connection modulation analyzer (dc measurable) attenuator 40 db or 50 db to the antenna connector to dc cable standard signal generator –127 to –17 dbm (0.1 v to 32 mv) caution: do not transmit while ssg is connected to the antenna connector. Rf power me...
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6 - 4 6-2 frequency adjustment 1) select an adjustment item using cursor or [ ↑ ] / [ ↓ ] keys of the pc’s keyboard. 2) set or modify the adjustment value as specifi ed using [ ← ] / [ → ] keys of the pc’s keyboard, then push the [enter] key. Adjustment adjustment condition operatio value pll lock v...
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6 - 5 6-3 transmit adjustment 1) select an adjustment item using cursor or [ ↑ ] / [ ↓ ] keys of the pc’s keyboard. 2) set or modify the adjustment value as specifi ed using [ ← ] / [ → ] keys of the pc’s keyboard, then push the [enter] key. Adjustment adjustment condition operatio value output powe...
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6 - 6 6-4 receive adjustment 1) select an adjustment item using cursor or [ ↑ ] / [ ↓ ] keys of the pc’s keyboard. 2) set or modify the adjustment value as specifi ed using [ ← ] / [ → ] keys of the pc’s keyboard, then push the [enter] key. Adjustment adjustment condition location value receive sens...
Page 22: Section 7. Parts
7 - 1 section 7. Parts list m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-a unit] ref parts description m. H/v no. No. Location ic1 1110003491 s.Ic ta31136fng(d,el) t 57.8/24.7 ic2 1110002751 s.Ic ta75s01f(te85r,f) t 60/54.9 ic3 1150002371 ic ra30h1317m1-121 [eur-...
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7 - 2 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-a unit] ref parts description m. H/v no. No. Location r27 7030005000 s.Res erj2gej 471 x (470) b 77.9/40.6 r28 7030010430 s.Res erj2gej 120 x (12) b 78.5/39.3 r29 7030005570 s.Res erj2gej 820 x (82) b 73.5/40.6 r...
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7 - 3 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-a unit] ref parts description m. H/v no. No. Location r340 7030005050 s.Res erj2gej 103 x (10k) b 76.9/23.9 r341 7030007340 s.Res erj2gej 153 x (15k) b 92.7/31.3 r342 7030007340 s.Res erj2gej 153 x (15k) b 91/31....
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7 - 4 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-a unit] ref parts description m. H/v no. No. Location c167 4030017920 s.Cer ecj0eb1a683k b 13.4/21.5 c168 4030016950 s.Cer ecj0eb1a473k b 13.4/22.4 c169 4030016950 s.Cer ecj0eb1a473k b 15.1/21.5 c170 4030017460 s...
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7 - 5 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-a unit] ref parts description m. H/v no. No. Location c478 4030017460 s.Cer ecj0eb1e102k t 72.2/37.7 c479 4030017460 s.Cer ecj0eb1e102k t 72/40.4 c480 4030017460 s.Cer ecj0eb1e102k t 73.9/40.4 c481 4030017460 s.C...
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7 - 6 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [front unit] ref parts description m. H/v no. No. Location r127 7030005160 s.Res erj2gej 105 x (1m) b 78/28.5 r128 7030005050 s.Res erj2gej 103 x (10k) b 30.9/25.2 c1 4030018100 s.Cer ecj0eb1h681k b 42.2/15.2 c2 403001...
Page 28: Section 8. Mechanical
8 - 1 [chassis parts] ref order description qty. No. No. J1 6510004880 mr-dse-01 1 w1** 8900011800 opc-1199 1 mp1 8010019065 2601 chassis-5 [eur-01] 1 8010019065 2601 chassis-5 [exp-01] 1 8010019065 2601 chassis-5 [rus-01] 1 8010019135 2601 long chassis-5 [usa-01] 1 8010019135 2601 long chassis-5 [e...
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8 - 2 mp8 (c) x2 r14 (f) j1 (f) mp10 (f) mp12 (f) ep2 (f) w1 (f) mp3 (f) front unit unit abbreviations ( f): front unit (ma): main-a unit (c): chassis parts mp5 (f) mp9 (f) ds11 (f) mp2 (f) mp6 (f) mp1 (f) sp1 (f) mp11 (f) mp5 (c) x2 mp3 (ma) mp1 (c) j1 (c) mp4 (c) x2 main unit mp3 (c) x8 mp2 (c) mp...
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9 - 1 section 9. Board layouts • main-a unit (top view) • front unit (top view) sp+ 1 sp− 2 sp1 (front unit) ant connector mp4 j1 (chassis) af out af gnd the combination of top side and bottom side of this page shows the actual configuration of p.C. Board. Unlk dim tone gnd sdec nois si ccs mic rssi...
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9 - 2 • main-a unit (bottom view) • front unit (bottom view) the combination of top side and bottom side of this page shows the actual configuration of p.C. Board. Afo cpu5 pgio4 mic 8v batv ccs exst unlk plst si so tenc opv1 beep lvin tone rssi dast cdec temp sdec sck pgio3 m i d d n g pwon opt1 5v...
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10 - 1 section 10 general wiring j1 1 2 3 4 5 6 7 8 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 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 j4 j7 1 2 w2 sp1 spe...
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11 - 1 section 11. Block diagram lpf lpf lpf lpf lpf lpf ic16 njm12902 lpf ic16 njm12902 lpf q39 xp4601 lpf ic5 njm12902 lpf ic5 njm12902 pwr det d1,d11 1ss375 ref x2 cr-794 mut e sw d 28:ma2s728 sw powe r q23:2sj377 q24:dtc144eu reset ic2 s-80942 ant sw d2:um9401f(25w) d5:l709ce d6:1sv307 pwr am p ...
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*; refer to “parts list.” 12 - 1 section 12. Voltage diagram c19 0. 1 ds5 sml-311yt c29 10 msva q3 d tc144eu c36 0. 1 ds4 sml-311yt c12 0.001 c27 270p c15 0.015 ds7 sml-311yt c25 0.01 j1 1 2 3 4 5 6 7 8 l1 10u ds6 sml-311yt c9 0.001 c14 0.001 c26 0.1 c17 820p ds9 sml-311yt c8 0.001 c28 0. 1 c16 0. 1...
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12 - 2 *; refer to “parts list.” cf20 d 0.1 c288 r198 10k r228 100k r224 47 dtc144eu q37 r205 10k r156 4.7k q31 2sj144 47p c292 0. 1 c262 r226 100k cf20 f cf20 e q30 d tc144eu r223 1k ep5 j4 0.001 c362 r229 1m r227 1m q24 dtc144eu hf70bb9.5x10.4x4.9 ep4 r204 4.7k 0.001 c375 0.001 c293 c261 0. 1 0.00...
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12 - 3 *; refer to “parts list.” l3 as080547 c1 18p d12 1ss375 0.001 c368 0.001 c107 hf70b b4.5x 5x1.6 *ep3 d1 1ss375 c8 22p 47p c13 0.001 c10 0.001 c87 nfm60r20t152 fi3 1 2 3 0.001 c408 c2 22p 0.001 c85 d11 1ss375 r1 100k l1 as080547 d3 l407cd 0.001 c74 *fi5 nfm60r20t152 1 2 3 l2 as080547 47p c84 r...
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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 : +33 (5) 61 ...
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1-1-32, kamiminami, hirano-ku, osaka 547-0003, japan s-14524xz-c1 © 2009 icom inc..