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Icom IC-A210 Service Manual

Summary of IC-A210

  • Page 1

    Service manual addendum contents replacement page for 4-5. . . . . . . . . . . . . . . . – parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 board layouts . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 voltage diagram . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 2

    4 - 5 4-4 receive adjustment select an adjustment item using [ ↑ ] / [ ↓ ] keys, then set to the specifi ed value using [ ← ] / [ → ] keys on the connected pc’s keyboard. Adjustment adjustment condition operation adjustment item/point value rx tuning voltage 1 • ch no. : [am low] • receiving connect...

  • Page 3: Parts List

    1 parts list m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [front unit] ref order description m. H/v no. No. Location ic2 1180002151 s.Ic njm2370u1-32-te1 t 60.2/14.2 ic3 1110006260 s.Ic bd5242g-tr b 109.5/24.9 ic4 1140013490 s.Ic hd64f38347wv b 91.5/13.9 ic5 1130011581...

  • Page 4

    Feb. 2008 2 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [front unit] ref order description m. H/v no. No. Location c67 4030006860 s.Cer c1608 jb 1h 102k-t b 134.6/19.2 c68 4030006860 s.Cer c1608 jb 1h 102k-t t 131.2/22.2 c70 4030006860 s.Cer c1608 jb 1h 102k-t b 52.9/...

  • Page 5

    Feb. 2008 3 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description m. H/v no. No. Location d28 1710000871 s.Dio hvu131trf-e t 126.7/56.7 d29 1790001240 s.Dio ma2s728-(tx) b 137.4/92.2 d32 1750001500 s.Dio cms15 (te12l,q) b 130.4/130.7 d33 175000...

  • Page 6

    Feb. 2008 4 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description m. H/v no. No. Location r168 7030003280 s.Res erj3geyj 470 v (47) t 129.1/65.8 r169 7030003340 s.Res erj3geyj 151 v (150) t 131.5/60.4 r170 7030003580 s.Res erj3geyj 153 v (15 k)...

  • Page 7

    Feb. 2008 5 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description m. H/v no. No. Location c10 4030018980 s.Cer c1608 jb 1h 104k-t b 41.3/64.3 c11 4030006860 s.Cer c1608 jb 1h 102k-t b 14.9/84.1 c12 4030006860 s.Cer c1608 jb 1h 102k-t b 9.3/82.4...

  • Page 8

    Feb. 2008 6 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description m. H/v no. No. Location c268 4030006860 s.Cer c1608 jb 1h 102k-t b 194.2/21.9 c269 4550007770 s.Tan teesvb2 1c 336m8r b 199.2/24.6 c273 4030006860 s.Cer c1608 jb 1h 102k-t b 203....

  • Page 9

    Feb. 2008 7 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description m. H/v no. No. Location ic500 1110003800 s.Ic njm2904v-te1-#fmzb t 28.5/11.4 ic501 1110002751 s.Ic ta75s01f (te85r,f) t 18.8/6 5 q500 1560001101 s.Fet 2sk3074 (te12l,f) t 10.8/25.3...

  • Page 10

    Feb. 2008 8 [vr unit] ref order description m. H/v no. No. Location r1 7210003270 var tp76n00na-26f-10kb-2974 r2 7030003440 s.Res erj3geyj 102 v (1 k) r3 7030003320 s.Res erj3geyj 101 v (100) c1 4030006900 s.Cer c1608 jb 1h 103k-t c2 4030006900 s.Cer c1608 jb 1h 103k-t c3 4030006860 s.Cer c1608 jb 1...

  • Page 11

    9 board layouts c500 c501 c502 c503 c504 c505 c506 c507 c509 510 c511 c512 513 c515 c516 c517 c518 c520 c521 c522 c523 524 525 c527 c528 c529 531 c534 c535 c536 c537 c538 c539 c540 c541 c542 c543 c544 545 c547 548 c549 550 c551 c552 c553 c554 c555 c556 c557 c558 c559 c560 c561 c562 c563 c565 c566 c5...

  • Page 12

    10 mp1 mp2 c1 c2 c3 c4 c5 c6 c7 c10 c11 c12 c13 c14 c15 c17 c18 c19 c20 c22 c23 c24 c27 c30 c31 c36 c38 c39 c41 c44 c46 c53 c57 c59 c62 c64 c65 c68 c69 c72 c76 c77 c80 c82 c86 c96 c97 c99 110 c128 c131 c198 c208 c209 c212 c213 c216 c218 c219 c220 c225 c229 c231 c233 c236 c239 c241 c244 c245 268 c269...

  • Page 13

    11 voltage diagram *; refer to “parts list.” 4.90v 0.06v 15.93v 4.92v 3.16v 10.33v 4.92v led on : 4.88v led off: 0.00v led on : 4.88v led off: 0.00v led on : 4.83v led off: 0.00v v 1.94v vcc : 13.80 v freq. : 127.05 mhz description : common rx tx 10 r120 390 r47 47k r31 47k r3 5 cp06s cp19 0. 1 c82 ...

  • Page 14

    12 *; refer to “parts list.” 150k r161 82k r159 10k r157 0 001 c182 0 1 c183 1 c187 470 yx g c190 0 1 c 144 0 01 c153 12k r155 100k r152 270k r100 270k r98 0 01 c121 100k r9 3 22 msvd2 c126 acf321825 fi2 0 47 c138 0 47 c120 0 47 c119 0 47 c114 bnx-002 fi1 1 b 2 cb 3 ps g 4 cg 5 6 470p c26 0 001 c28 ...

  • Page 15

    13 *; refer to “parts list.” bu2099fv ic48 1 vss 2 nc 3 data 4 clock 5 lck 6 q0 7 q1 8 q2 9 q3 10 q4 11 q5 12 q6 13 q7 14 q8 15 q9 16 q10 17 q11 18 so 19 oe 20 vdd 4 7k r245 bu4081bf ic46 1 2 3 4 5 6 7 8 9 10 11 12 13 14 220 r262 0 001 c261 330 r264 2sc4215 q38 10k r247 1k r237 0 01 c230 27p c244 1k...

  • Page 16

    S-14401xz-c1 sep. 2007 vhf air band transcever.

  • Page 17

    This service manual describes the latest service information for the ic-a210 vhf air band transcever at the time of publication. Never connect the transceiver to an ac outlet or to a dc power supply that uses more than specifed. This will ruin the transceiver. Do not expose the transceiver to rain, ...

  • Page 18

    Contents section 1 specifications section 2 inside views section 3 circuit descripiton 3-1 receiver circuits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 3-2 transmitter circuits . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 19: Section 1

    1 - 1 section 1 specifications ¤ general • frequency range : 118.000 to 136.975 mhz 161.650 to 163.275 mhz* • channel spacing : 25 khz • frequency stability : ±5 ppm • operating temperature : –20˚c to +55˚c –4˚f to +131˚f • antenna impedance : 50 Ω • number of memory channels : 10 memory channels 20...

  • Page 20: Section 2

    2 - 1 section 2 inside views cpu (ic4: hd64f38347wv) eeprom (ic5: 24lc64t-i/sn) rs232 driver (ic10: adm202earuz) tx power amp (q504: mrf137) alc ic (ic13: ba3308f) transformer (t4: st-82) • front unit • main and pa units fet driver (ic17: hip4081aibz-t) dc-dc convertor (ic5: lm2587(t)) power switch ...

  • Page 21: Section 3

    3 - 1 section 3 circuit description while transmitting, serial-connected pin diodes are on, thus the tx line is connected to the antenna, and the rx line is connected to the gnd simultaneously to prevent transmit signal entering. The attenuator functions as a part of the agc circuit. The agc volatge...

  • Page 22

    3 - 2 rx af circuits the rx af circuits consist of af filters, af amplifier, af power amplifier, etc., and amplify, filter the af signals demodulated by the demodulator circuits. The demodulated af signals are passed through the am/ af sw and lpf. The filtered af signals are passed through the mod/a...

  • Page 23

    3 - 3 3-2 transmitter circuits tx af circuits the tx af circuit consists of microphone amplifier (mic amp), alc and af fi lters. Alc (automatic level control) is an amplifi er which reduces its gain automatically to prevent over deviation. The audio signals from the connected headset's microphone (m...

  • Page 24

    3 - 4 3-3 frequency synthesizer circuits vco a vco is an oscillator whose oscillating frequency is determined by the applied volatge. This transceiver has two vcos; rx vco and tx vco. The rx vco generates the 1st lo signals for the 1st if signal produce, and tx vco generates tx signal. The voltage a...

  • Page 25

    3 - 5 pin no. Line name description i/o 1 ec [ec] key. (pulled up) i 2 dial [dial] key. (pulled up) i 3 beep beep audio. O 4 moni [vol] switch. (push) i 7 ptt1_0 external [ptt1/2] keys. I 15 reset reset signal from the reset ic (f: ic3). I 19 reg_c2 regulator control signal to the +16v regulator (m:...

  • Page 26: Section 4

    4 - 1 section 4 adjustment procedure 4-1 preparation ¤ required equipments equipment specification equipment specification adjustment software "cs-a210 adj" (revision 1.0 or later) jig cable (modifi ed molex ® cable) (see the illust below) power supply output voltage : 13.8 v dc current capacity : m...

  • Page 27

    4 - 2 ¤ whole procedure of adjustment q connect the transceiver and pc with opc-1529r. W turn the transceiver power on. E boot up windows, and click the program group ‘cs-a210 adj’ in the ‘programs’ folder of the [start] menu, then cs-a210 adj’s window appears. R click [adj] icon to enter the adjust...

  • Page 28

    4 - 3 4-2 frequency adjustment select an adjustment item using [ ↑ ] / [ ↓ ] keys, then set to the specifi ed value using [ ← ] / [ → ] keys on the connected pc’s keyboard. Adjustment adjustment condition operation adjustment item/point value vdd voltage (rx) 1 • ch no. : [am mid] • receiving connec...

  • Page 29

    4 - 4 4-3 transmit adjustment select an adjustment item using [ ↑ ] / [ ↓ ] keys, then set to the specifi ed value using [ ← ] / [ → ] keys on the connected pc’s keyboard. Adjustment adjustment condition operation adjustment item/point value tx output power -preset- (low) 1 • ch no. : [am mid] • no ...

  • Page 30

    4 - 5 4-4 receive adjustment select an adjustment item using [ ↑ ] / [ ↓ ] keys, then set to the specifi ed value using [ ← ] / [ → ] keys on the connected pc’s keyboard. Adjustment adjustment condition operation adjustment item/point value rx tuning voltage 1 • ch no. : [am low] • receiving connect...

  • Page 31

    4 - 6 ic-a210 (top view) ic-a210 (top view) • receive adjustments tuning voltage check point cp5 rx bpf adjust points l2, l4, l8 and l10 rx bpf (am) check point cp10 rx bpf (fm) check point cp13.

  • Page 32: Section 5

    5 - 1 section 5 parts list m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [front unit] ref order description m. H/v no. No. Location ic2 1180002151 s.Ic njm2370u1-32-te1 t 60.2/14.2 ic3 1110006260 s.Ic bd5242g-tr b 109.5/24.9 ic4 1140014362 s.Ic hd64f38347wv b 91.5/13.9 ...

  • Page 33

    5 - 2 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [front unit] ref order description m. H/v no. No. Location c68 4030006860 s.Cer c1608 jb 1h 102k-t t 131.2/22.2 c70 4030006860 s.Cer c1608 jb 1h 102k-t b 52.9/6.9 c71 4030006860 s.Cer c1608 jb 1h 102k-t b 72.7/9.4 c72 ...

  • Page 34

    5 - 3 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description m. H/v no. No. Location d28 1710000871 s.Dio hvu131trf-e t 126.7/56.7 d29 1790001240 s.Dio ma2s728-(tx) b 137.4/92.2 d32 1750001500 s.Dio cms15 (te12l,q) b 130.4/130.7 d33 1750000531 s...

  • Page 35

    5 - 4 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description m. H/v no. No. Location r163 7030003680 s.Res erj3geyj 104 v (100 k) t 125.8/90.3 r164 7030003680 s.Res erj3geyj 104 v (100 k) t 129.1/63 r165 7030003650 s.Res erj3geyj 563 v (56 k) t ...

  • Page 36

    5 - 5 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description m. H/v no. No. Location c3 4030006860 s.Cer c1608 jb 1h 102k-t b 42.7/61.6 c4 4030006860 s.Cer c1608 jb 1h 102k-t b 41.3/65.5 c5 4030006860 s.Cer c1608 jb 1h 102k-t b 4.9/69.7 c6 40300...

  • Page 37

    5 - 6 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description m. H/v no. No. Location c245 4030006900 s.Cer c1608 jb 1h 103k-t b 179.3/63.4 c252 4030006860 s.Cer c1608 jb 1h 102k-t t 166.8/49.4 c253 4030006860 s.Cer c1608 jb 1h 102k-t t 178.6/62....

  • Page 38

    5 - 7 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description m. H/v no. No. Location ic500 1110003800 s.Ic njm2904v-te1-#fmzb t 28.5/11.4 ic501 1110002751 s.Ic ta75s01f (te85r,f) t 18.8/6.5 q500 1560001101 s.Fet 2sk3074 (te12l,f) t 10.8/25.3 q501 ...

  • Page 39

    5 - 8 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [vr unit] ref order description m. H/v no. No. Location r1 7210003270 var tp76n00na-26f-10kb-2974 r2 7030003440 s.Res erj3geyj 102 v (1 k) t 6.8/7.8 r3 7030003320 s.Res erj3geyj 101 v (100) t 6.8/3.3 c1 4030006900 s.Ce...

  • Page 40: Section 6

    Screw abbreviations a, b0, bt: self-tapping ph: pan head zk: black ni-zu: nickel-zinc sus: stainless 6 - 1 section 6 mechanical parts [chassis parts] ref order description qty. No. No. W1 8900016940 opc-1820 1 w2 8900016950 opc-1737 1 w3 8900016960 opc-1738 1 w4 8900016970 opc-1739 1 w5 8900016980 o...

  • Page 41

    6 - 2 mp2(ch) mp31(ch)×8 mp38(ch) mp23(ch) mp27(ch) mp26(ch) mp28(ch) mp29(ch) mp30(ch)×2 pa unit mp2(pa) mp31(ch)×4 mp5(ch) mp35(ch)×6 mp4(pa) mp3(pa) mp32(ch) dial unit main unit mb-113 front unit mp1(f) mp33(ch)×4 q w w q e e r r y y u u u i i y t t t mp8(m) mp4(ch) mp27(ch) mp26(ch) mp28(ch) mp3...

  • Page 42

    7 - 1 section 7 board layouts c500 c501 c502 c503 c504 c505 c506 c507 c509 510 c511 c512 513 c515 c516 c517 c518 c520 c521 c522 c523 524 525 c527 c528 c529 531 c534 c535 c536 c537 c538 c539 c540 c541 c542 c543 c544 545 c547 548 c549 550 c551 c552 c553 c554 c555 c556 c557 c558 c559 c560 c561 c562 c56...

  • Page 43

    7 - 2 15 1 1 ‡a2 h0 h5 h10 h15 h20 h25 h30 h35 h40 h45 h50 h55 h60 h65 h70 h75 h80 h85 h90 h95 h100 h105 h110 h115 h120 h125 h130 v0 v5 v10 v15 v20 v25 v30 mp1 mp2 h0 h5 h10 h15 h20 h25 h30 h35 h40 h45 h50 h55 h60 h65 h70 h75 h80 h85 h90 h95 h100 h105 h110 h115 h120 h125 h130 h135 h140 h145 h150 h15...

  • Page 44

    8 - 1 section 8 block diagram lp f ant sw att bpf rf am p bpf bpf xtal if amp if am p if am p if amp bpf cerami c ant rf sw rf sw rf sw rf sw rf sw bpf cerami c rf sw bpf xtal am det pwr amp drive pre drive pre pre am p pwr det apc am p apc ctrl tx/rx sw buff buff tx vco rx vco pll ic fil loop vco s...

  • Page 45

    9 - 1 section 9 voltage diagram *; refer to “parts list.” 4.90v 0.06v 15.93v 4.92v 3.16v 10.33v 4.92v led on : 4.88v led off: 0.00v led on : 4.88v led off: 0.00v led on : 4.83v led off: 0.00v v 1.94v vcc : 13.80 v freq. : 127.05 mhz description : common rx tx 10 r120 390 r47 47k r31 47k r3 5 cp06s c...

  • Page 46

    9 - 2 *; refer to “parts list.” 150k r161 82k r159 10k r157 0.001 c182 0. 1 c183 1 c187 470 yx g c190 0. 1 c 144 0.01 c153 12k r155 100k r152 270k r100 270k r98 0.01 c121 100k r9 3 22 msvd2 c126 acf321825 fi2 0.47 c138 0.47 c120 0.47 c119 0.47 c114 bnx 002 fi1 1 b 2 cb 3 ps g 4 cg 5 6 470p c26 0.001...

  • Page 47

    9 - 3 *; refer to “parts list.” bu2099fv ic48 1 vss 2 nc 3 data 4 clock 5 lck 6 q0 7 q1 8 q2 9 q3 10 q4 11 q5 12 q6 13 q7 14 q8 15 q9 16 q10 17 q11 18 so 19 oe 20 vdd 4.7k r245 bu4081bf ic46 1 2 3 4 5 6 7 8 9 10 11 12 13 14 220 r262 0 001 c261 330 r264 2sc4215 q38 10k r247 1k r237 0.01 c230 27p c244...

  • Page 48

    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 ...

  • Page 49

    1-1-32, kamiminami, hirano-ku, osaka 547-0003, japan s-14401xz-c1 © 2007 icom inc..