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Icom HM-169 Service manual

Other manuals for HM-169: Instructions
Manual is about: SPEAKER MICROPHONE, GPS SPEAKER MICROPHONE

Summary of HM-169

  • Page 1

    S-14421xz-c1 dec. 2007 gps speaker microphone speaker microphone.

  • Page 2

    This service manual describes the latest service information for the hm-169/hm-174 speaker microphone and hm-170gp /hm-175gps gps speaker microphone at the time of publication. To upgrade quality, any electrical or mechanical parts and internal circuits are subject to change without notice or obliga...

  • Page 3

    Contents section 1 specifications section 2 electrical parts list section 3 mechanical parts list section 4 exploaded view section 5 board layouts section 6 block diagram section 7 voltage diagrams.

  • Page 4: Section 1

    1 - 1 section 1 specifications m general • power supply (supplied from the connected transceiver) : hm-169/hm-170gp 5.0–8.4 v dc hm-174/hm-175gps 5 v dc • current drain : hm-169/hm-174 4 ma max. (at 5 v) hm-170gp/hm-175gps 65 ma max. (at 5 v) • dimensions (projections not included) : hm-169/hm-174 6...

  • Page 5: Section 2

    2 - 1 section 2 electrical parts list m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-a unit] (for hm-169, hm-174) ref order description m. H/v no. No. Location ic1 1180002690 s.Reg s-812c36amc-c2q-t2g t 34.1/45.8 ic2 1110006490 s.Ic lmv321idckr t 28.6/39.9 ic3 1130...

  • Page 6

    2 - 2 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-b unit] (for hm-170gp, hm-175gps) ref order description m. H/v no. No. Location c7 4030017330 s.Cer ecj0ef1c104z t 12.7/44 c8 4030017730 s.Cer ecj0eb1e471k t 22/24.5 c9 4030017730 s.Cer ecj0eb1e471k t 25.7/24.7 c...

  • Page 7: Section 3

    Screw abbreviations a, b0, bt: self-tapping ph: pan head zk: black ni-zu: nickel-zinc sus: stainless 3 - 1 section 3 mechanical parts [chassis parts] ref order description qty. No. No. Sp1 2510001330 036d0803 1 w1 7120000470 erds2t0 [hm-169], [hm-174] 1 8900014920 opc-1565 [hm-170gp], [hm-175gps] 1 ...

  • Page 8

    4 - 2 sp1 mp1(hm-170gp, hm-175gps) mp16 mp17 mp17 mp20 mp25 mp25 mp24 mp24 mp24 mp24 mp23 mp23 mp3 mp6 mc1(m) mp21 mp21 mp21 mp21 j1(sw) mp13 w3 mp11 mp22 mp22 mp15 mp12 mp10 mp14 mp7 sw unit mp8 main unit mp4 mp9 mp2 mp5 mp1(hm-169, hm-174) ep1 section 4 exploaded view.

  • Page 9

    5 - 1 section 5 board layouts c1 c2 c3 c4 c5 c6 c7 c8 c9 c10 c11 c13 c14 c15 c16 c17 c18 c19 c20 c21 c23 c24 d3 ep1 ic1 ic2 ic3 j1 mc1 q3 r1 r2 r3 r4 r5 r7 r8 r9 r13 r14 r16 r17 r19 r20 r21 r22 r23 s1 b6842c h0 h5 h10 h15 h20 h25 h30 h35 h40 v0 v5 v10 v15 v20 v25 v30 v35 v40 v45 v50 v55 c3 c4 c6 c7 ...

  • Page 10

    5 - 2 r6 r6 h0 h5 h10 h15 h20 h25 h30 h35 h40 v0 v5 v10 v15 v20 v25 v30 v35 v40 v45 v50 v55 c1 c2 c5 c14 c19 c21 c22 c24 c25 c26 c27 c30 c31 c32 c33 c50 c52 c53 c56 c60 c61 c62 c63 d1 d4 d6 ep1 ep2 ic4 ic6 ic9 ic10 ic11 ic13 j5 j6 q4 r9 r13 r14 r16 r16 r17 r19 r24 r26 r27 r28 r29 r37 r43 r44 r47 r48...

  • Page 11: Section 6

    6 - 1 section 6 block diagrams 1 2 3 4 5 6 7 8 mic amp 150k mic gnd mute microphone ptt ic2 ic3, q3 (hm-169/hm-174) mic ptt speaker sp- vcc sp+ reg ic1 +3.6v (hm-169/hm-174) (hm-169) (hm-169) (hm-174) n/c sp+ gnd mic sp- vcc sens n/c • main-a unit (for [hm-169], [hm-174]).

  • Page 12

    Mic amp gps antenna 1 2 3 4 5 6 7 8 150k speaker microphone gnd xtxd sp+ sp- ptt mic vcc gps lelev shifter rx tx ant 3.3v switching reg ripple filter +3.3v q3, c14 ic8, q5, d5, l3 ic2 serial serial d4 ic13, ic6 nmea level shifter d6 (hm-170gp) +3.3v reset pps ic4 led driver +3.3v q4 ds1 sw1 sw unit ...

  • Page 13: Section 7

    7 - 1 section 7 voltage diagrams cp7 cp5 cp6 cp8 lmv321idck ic2 1 2 3 4 5 2.2 msva c11 b8b-zr-sm4-tf j1 1 2 3 4 5 6 7 8 9 10 0.01 c4 470p c1 470p c13 470p c14 470p c15 470p c16 470p c17 470p c18 1 c20 47p c5 100 r2 33k r4 33k r9 0 r14 mmz1608y102bt ep1 470p c21 0. 1 c19 1 c10 33k r3 cp11 cp12 am-627...

  • Page 14

    7 - 2 *; refer to “parts list.” 33k r5 2.2k r24 470p c9 0. 1 c27 100k r27 470p c8 10k r28 itrax03 ic4 1 tcap1 2 boot1 3 spi1xcs0 4 spi1sdo 5 gnd 6 spi1sdi 7 spi1clk 8 gnd 9 xreset 10 boot2 11 gnd 12 spi1xcs2 13 mmccmd 14 vddrf 17 txd0 18 rxd0 19 rxd1 20 gnd 21 mmcclk 22 gnd 23 gnd 24 rfin 25 gnd 26 ...

  • Page 15

    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 16

    1-1-32, kamiminami, hirano-ku, osaka 547-0003, japan s-14421xz-c1 © 2007 icom inc..