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Icom IC-F110S Service Manual

Other manuals for IC-F110S: Instruction Manual
Manual is about: IC-F110S/F111S/F121S service manual

Summary of IC-F110S

  • Page 1

    Service manual vhf transceiver if110s if111s if121s.

  • Page 2

    Introduction this service manual describes the latest service information for the ic-f110s, ic-f111s and ic-f121s vhf mobile transceiver at the time of publication. Danger never connect the transceiver to an ac outlet or to a dc power supply that uses more than 16 v. This will ruin the transceiver. ...

  • Page 3

    Table of contents section 1 specifications section 2 inside view section 3 disassembly instructions section 4 circuit description 4 - 1 receiver circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 1 4 - 2 transmitter cir...

  • Page 4: Section 1

    1 - 1 section 1 specifications all stated specifications are subject to change without notice or obligation. Measurement method frequency coverage type of emission number of conventional channels antenna impedance power supply voltage (negative ground) current drain (approx.) usable temperature rang...

  • Page 5: Section 2

    2 - 1 section 2 inside view antenna switch/ low-pass filter circuit mixer* (q3: 3sk299) 2nd if filter* (fi2: alfym450f=k) d/a converter* (ic6: m62363fp-650c) if ic (ic1: ta31136fn) 1st if filter (fi1: fl-335) * located under side of the point. Final fet module ic3: ra30h1317 [25w] s-av32 [50w] cpu 5...

  • Page 6: Section 3

    3 - 1 section 3 disassembly instructions • opening case and remove the front panel ➀ unscrew 4 screws a, and remove the bottom cover. ➁ disconnect the flat cable b from j2. ➂ disconnect the cable c from j7. ➃ unscrew 2 screws d , and remove the front unit in the direction of the arrow. B c d a j2 j7...

  • Page 7: Section 4

    Section 4 circuit description 4 - 1 4-1 receiver circuits 4-1-1 antenna switching circuit (main unit) the antenna switching circuit functions as a low-pass filter while receiving and as resonator circuit while transmitting. This circuit does not allow transmit signals to enter the receiver circuits....

  • Page 8

    4 - 2 4-1-5 af amplifier circuit (main unit) the af amplifier circuit amplifies the demodulated af sig- nals to drive a speaker. The af signals from the fm if ic (ic1, pin 9) are applied to the active filter circuit (ic16). The active filter circuit (high- pass filter) removes ctcss or dtcs signals....

  • Page 9

    4 - 3 4-2-4 power amplifier circuit (main unit) the power amplifier circuit amplifies the driver signal to an output power level. The rf signal from the drive amplifier (q8) is passed through the low-pass filter circuit (l18, c90, c89) and applied to the power module (ic3) to obtain 25 w or 50 w of ...

  • Page 10

    4-4 power supply circuits 4-4-1 voltage lines (main unit) 4-5 port allocations 4-5-1 led driver (front unit; ic4) 4-5-2 output expander (main unit; ic6) 4-5-3 cpu (front unit; ic1) output leds control signals. Low : while leds are on. Outputs busy led control signal. Outputs tx led control signal. O...

  • Page 11

    Cpu-continued 4 - 5 outputs control signal for the power switching circuit (main unit; q24, q23). Outputs if bandwidth control signal. Low : while if bandwidth is narrow. Outputs control signal for the af mute circuit (main unit; q35, q36, d29). High : while af amplifier (main unit; ic8) is activate...

  • Page 12: Section 5

    5 - 1 section 5 adjustment procedures + audio generator 300 hz to 3 khz ac millivoltmeter mice mic ptt ptt switch ptte add a jumper wire here • *opc-1122 (jig cable) electrolytic capacitor 47 µf opc-1122 (cloning cable) 5-1 preparation when you adjust the contents on pages 5-5 and 5-6, soft- ware ad...

  • Page 13

    5 - 2 personal computer to the mic connector to an rs-232c port db9 female plug rs-232c cable (straight) *opc-1122 (jig cable) ac millivoltmeter audio generator fm deviation meter (dc measurable) attenuator 40 db or 50 db to the antenna connector to dc cable standard signal generator –127 to –17 dbm...

  • Page 14

    5 - 3 cs-f100s adj rev.1.0 file com 1: open option connect reload (f5) disp para [a / d] vin : 178 : b2h : 19.96 v temps : 177 : b1h : 26.44 'c lvin : 176 : b0h : 3.45 v sd : 23 : 17h : 0.45 v power (hi) : 198 [ # # # # # # # # # # # # # # # # # – – – ] power (l2) : 115 [ # # # # # # # # # – – – – –...

  • Page 15

    Lv pll lock voltage check point c133 pll lock voltage adjustment for tx c134 pll lock voltage adjustment for rx dc power supply 13.2 v / 15 a 5 - 4 5-2 pll adjustment pll lock voltage 1 2 3 4 • operating freq. : 174.000 mhz • receiving • output power : low1 • transmitting • operating freq. : 136.000...

  • 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 2 1 2 1 • operating freq. : 174.000 mhz • output power : low1 • connect the 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

    5 - 7 tx/rx 1 2 3 4 r59 beep volume adjustment 5-4 trimmer adjustment • make this adjustment if necessary (for example, when beep sound is too loud or too soft). • be careful!: 5-tone calling beep sound becomes loud or soft when beep volume adjusts to loud or soft. Beep volume 1 • operating freq. : ...

  • Page 19: Section 6

    [front unit] [front unit] ic1 1140010890 s.Ic hd6433687a05fp ic2 1110005770 s.Ic s-80942cnmc-g9c-t2 ic3 1130010390 s.Ic hn58x2416ti ic4 1130009670 s.Ic bu2092fv-e2 ic5 1110005340 s.Ic njm12902v-te1 q1 1530002060 s.Transistor 2sc4081 t106 r q2 1590001050 s.Transistor dtc114tua t106 q3 1590000430 s.Tr...

  • Page 20

    S.=surface mount [main unit] [front unit] j2 6510022470 s.Connector 40flt-sm1-tb ds1 5040002670 s.Led cl-165hr/yg ds2 5040002310 s.Led sml-311ytt86 ds3 5040002310 s.Led sml-311ytt86 ds4 5040002310 s.Led sml-311ytt86 ds5 5040002310 s.Led sml-311ytt86 ds6 5040002310 s.Led sml-311ytt86 ds7 5040002310 s...

  • Page 21

    S.=surface mount [main unit] [main unit] r5 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) a 7030003610 s.Resistor erj3geyj 273 v (27 k Ω) b r6 7030003610 s.Resistor erj3geyj 273 v (27 k Ω) b 7030003620 s.Resistor erj3geyj 333 v (33 k Ω) a r7 7030003370 s.Resistor erj3geyj 271 v (270 Ω) r8 7030006070...

  • Page 22

    S.=surface mount [main unit] [main unit] r215 7030003400 s.Resistor erj3geyj 471 v (470 Ω) r216 7030003470 s.Resistor erj3geyj 182 v (1.8 k Ω) b 7030003480 s.Resistor erj3geyj 222 v (2.2 k Ω) a r217 7030003600 s.Resistor erj3geyj 223 v (22 k Ω) r218 7030003600 s.Resistor erj3geyj 223 v (22 k Ω) r219...

  • Page 23

    S.=surface mount [main unit] [main unit] c92 4030007030 s.Ceramic c1608 ch 1h 150j-t c93 4030007020 s.Ceramic c1608 ch 1h 120j-t c94 4030007090 s.Ceramic c1608 ch 1h 470j-t c95 4030006860 s.Ceramic c1608 jb 1h 102k-t c96 4030006860 s.Ceramic c1608 jb 1h 102k-t c97 4030007090 s.Ceramic c1608 ch 1h 47...

  • Page 24

    [main unit] c305 4030007100 s.Ceramic c1608 ch 1h 560j-t c306 4030009910 s.Ceramic c1608 ch 1h 040b-t c307 4030006980 s.Ceramic c1608 ch 1h 070d-t c308 4030009530 s.Ceramic c1608 ch 1h 030b-t c309 4030006900 s.Ceramic c1608 jb 1h 103k-t c310 4030006860 s.Ceramic c1608 jb 1h 102k-t c311 4030006860 s....

  • Page 25: Section 7

    Section 7 mechanical parts 7 - 1 mc1 mp1 + mp2 mp9 mp10 w2 w1 mp3 mp4 mp5 mp6 mp7 mp8 ic om lcd-sticker j1 6510004880 connector mr-ds-e 01 1 mp1 8010019060 2601 chassis [25w] 1 8010019130 2601 long chassis [50w] 1 mp2 8110007820 2601 cover 1 mp3 8810008660 screw ph bt m3 × 8 ni-zu 8 mp4 8810008660 s...

  • Page 26

    Mp8 (c) r14 (f) j1 (f) mp10 (f) w1 (f) mp7 (f) mp8 (f) front unit unit abbreviations (f): front unit (m): main unit (c): chassis parts mp4 (f) mp3 (f) mp5 (f) mp1 (f) sp1 (f) mp2 (f) mp9 (f) mp5 (c) mp7 (m) mp1 (c) j1 (c) mp4 (c) mp3 (m) mp1 (m) main unit mp9 (m) mp2 (m) mp3 (c) mp6 (m) mp2 (c) mp7 ...

  • Page 27

    Section 8 semi-conductor information • transistors and fet’s • diodes b e c b e c b e c b e c b e c b e c b e c b c e g g d d s s s d g g s d d s g2 g1 b e c b e c b e c e1 b1 b2 c1 c2 e1 e2 b2 c1 b1 c2 2sa1577 t106 q 2sc3356 t1b r25 2sc4081 t106 r 2sc4116 bl 2sc4215 o 2sc4226 t1 r25 2sc5107 o 2sd16...

  • Page 28

    Section 9 board layouts 9-1 front unit • top view 1 4 8 5 8v 1 to microphone 7 2 8 j1 afo mice gnd clo ptt mic cli 9 - 1.

  • Page 29

    1 16 20 11 1 1 7 14 8 10 17 32 33 48 49 64 1 39 2 to main unit j2 40 j2 dim d ast rmut mmut opt3 opt2 opt1 bu s y sck si so cirq ccs mic eptt horno beep pw on 8v gnd gnd to n e tenc nois nwc tmut unlk plst cdec sdec o v12 rssi lvin temp ba tv rxc afon 5v cpu5 afo 9 - 2 • bottom view (front unit).

  • Page 30

    Ant chassis j1 to dc cable w2 1 4 8 5 1 8 16 9 1 8 16 9 1 to optional unit 15 30 16 j1 gnd 5v vcc nc afono beepo nc det disc nc ccs cirq so si sck ptti ptt o mco t mcin nc bu s y nc sigo opt1 opt2 opt3 gnd opv3 opv2 opv1 dim 40 2 39 to front unit j2 1 j2 d ast rmut mmut opt3 opt2 opt1 bu s y sck si ...

  • Page 31

    Sp 14 8 1 1 7 14 8 7 12 24 1 13 9 - 4 • bottom view (main unit).

  • Page 32

    Section 10 block diagram disc mic afo beep 8v mcot mic mod rssi mixer 8v csft 19.6608 mhz beep f d e det disc j6 main unit front unit j1 ctcss/dtcs dec 5/2 tone dec j1 beep0 afano 182.35 mhz-220.35 mhz 46.35 mhz 450 khz sqin det 45.9 mhz 15.3 mhz hvc362 d21 bal ref 136-174 mhz tenc nwc af vr pwr p0-...

  • Page 33

    Section 11 voltage diagrams 11-1 front unit j2 dim dast rmut mmut opt3 opt2 opt1 busy sck si so cirq ccs mic eptt horno beep pwon 8v gnd gnd tone tenc nois nwc tmut unlk plst cdec sdec ov12 rssi lvin temp batv rxc afon 5v cpu5 afo to main unit j2 ic1 hd6433687a05fp 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1...

  • Page 34

    11-2 main unit j1 sck si so cirq ccs disc det beepo afono ov12 dast opt3 opt2 opt1 sigo busy r266 47k r267 27k r268 10k r265 18k r270 100k r264 68k r269 100k r263 1m r262 1m r261 1m cp24 cp25 r271 100k mic c311 0.001 sck si ov12 so dast cirq ccs opt3 opt2 disc opt1 det sigo beepo busy afono main uni...

  • Page 35

    Main unit (1) bus line2 c110 470p l41 68n r75 120k c105 0.001 q12 2sc5107 r8v c104 0.001 r74 120k l22 68n r76 470 r73 100 c109 0.001 c102 10p r71 100 q11 2sc5107 r310 8.2k r311 220 c335 0.001 c301 0.001 r234 8.2k l21 82n q10 2sc5107 c100 10p d14 ma77 d15 ma77 r69 4.7k r50 10k r235 1k c303 0.001 r70 ...

  • Page 37

    1-1-32, kamiminami, hirano-ku, osaka 547-0003, japan s-13906hz-c1vs-e © 2003 icom inc..

  • Page 38: Service

    Service manual uhf transceiver if210s if211s if221s.

  • Page 39

    Introduction this service manual describes the latest service information for the ic-f210s, ic-f211s and ic-f221s uhf mobile transceiver at the time of publication. Danger never connect the transceiver to an ac outlet or to a dc power supply that uses more than 16 v. This will ruin the transceiver. ...

  • Page 40

    Table of contents section 1 specifications section 2 inside view section 3 disassembly instructions section 4 circuit description 4 - 1 receiver circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 1 4 - 2 transmitter cir...

  • Page 41: Section 1

    1 - 1 section 1 specifications all stated specifications are subject to change without notice or obligation. Measurement method frequency coverage type of emission number of conventional channels power supply voltage (negative ground) current drain (approx.) antenna impedance usable temperature rang...

  • Page 42: Section 2

    2 - 1 section 2 inside view antenna switch/ low-pass filter circuit mixer* (q3: 3sk299) 2nd if filter* (fi2: alfym450f=k) d/a converter* (ic6: m62363fp-650c) if ic (ic1: ta31136fn) 1st if filter fi1: fl-335 [eur] fl-313 [usa],[gen] * located under side of the point. Final fet module ic3 : ra30h4452m...

  • Page 43: Section 3

    3 - 1 section 3 disassembly instructions • opening case and removing the front unit q unscrew 4 screws a , and remove the bottom cover. W disconnect the flat cable b from j2. E disconnect the cable c from j7. R unscrew 2 screws d , and remove the front unit in the direction of the arrow. B c d a j2 ...

  • Page 44: Section 4

    Section 4 circuit description 4 - 1 4-1 receiver circuits 4-1-1 antenna switching circuit (main unit) the antenna switching circuit functions as a low-pass filter while receiving and as resonator circuit while transmitting. This circuit does not allow transmit signals to enter the receiver circuits....

  • Page 45

    4 - 2 4-1-5 af amplifier circuit (main unit) the af amplifier circuit amplifies the demodulated af sig- nals to drive a speaker. The af signals from the fm if ic (ic1, pin 9) are applied to the active filter circuit (ic16). The active filter circuit (high- pass filter) removes ctcss or dtcs signals....

  • Page 46

    4 - 3 4-2-4 power amplifier circuit (main unit) the power amplifier circuit amplifies the driver signal to an output power level. The rf signal from the drive amplifier (q8) is passed through the low-pass filter circuit (l18, c90, c89) and applied to the power module (ic3) to obtain 25 w or 45 w of ...

  • Page 47

    4-4 power supply circuits 4-4-1 voltage lines (main unit) 4-5 port allocations 4-5-1 led driver (front unit; ic4) 4-5-2 output expander (main unit; ic6) 4-5-3 cpu (front unit; ic1) output leds control signals. Low : while leds are on. Outputs busy led control signal. Outputs tx led control signal. O...

  • Page 48

    Cpu-continued 4 - 5 outputs control signal for the power switching circuit (main unit; q23, q24). Outputs if bandwidth control signal. Low : while if bandwidth is narrow. Outputs control signal for the af mute circuit (main unit; q35, q36, d29). High : while af amplifier (main unit; ic8) is activate...

  • Page 49: Section 5

    5 - 1 section 5 adjustment procedures + audio generator 300 hz to 3 khz ac millivoltmeter mice mic ptt ptt switch ptte add a jumper wire here • *opc-1122 (jig cable) electrolytic capacitor 47 µf opc-1122 (cloning cable) 5-1 preparation when you adjust the contents on pages 5-5 and 5-6, soft- ware ad...

  • Page 50

    5 - 2 personal computer to the mic connector to an rs-232c port db9 female plug rs-232c cable (straight) *opc-1122 (jig cable) ac millivoltmeter audio generator fm deviation meter (dc measurable) attenuator 40 db or 50 db to the antenna connector to dc cable standard signal generator –127 to –17 dbm...

  • Page 51

    5 - 3 cs-f100s adj rev.1.0 file com 1: open option connect reload (f5) disp para [a / d] vin : 178 : b2h : 19.96 v temps : 177 : b1h : 26.44 'c lvin : 176 : b0h : 3.45 v sd : 23 : 17h : 0.45 v power (hi) : 198 [ # # # # # # # # # # # # # # # # # – – – ] power (l2) : 115 [ # # # # # # # # # – – – – –...

  • Page 52

    C133 pll lock voltage adjustment for rx c134 pll lock voltage adjustment for tx lv pll lock voltage check point dc power supply 13.2 v / 15z a 5 - 4 5-2 pll adjustment pll lock voltage 1 2 3 4 • operating freq. : 400.000 mhz [l] 440.000 mhz [h] • receiving • output power : low1 • transmitting • oper...

  • Page 53

    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 2 1 2 1 • operating freq. : 490.000 mhz 430.000 mhz • output power : low1 • connect the rf power meter or 50 Ω dummy load to the antenn...

  • Page 54

    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 55

    5 - 7 tx/rx 1 2 3 4 r59 beep volume adjustment 5-4 trimmer adjustment • make this adjustment if necessary (for example, when beep sound is too loud or too soft). • be careful!: 5-tone calling beep sound becomes loud or soft when beep volume adjusts to loud or soft. Beep volume 1 • operating freq. : ...

  • Page 56: Section 6

    [front unit] [front unit] ic1 1140010890 s.Ic hd6433687a05fp ic2 1110005770 s.Ic s-80942cnmc-g9c-t2 ic3 1130010390 s.Ic hn58x2416ti ic4 1130009670 s.Ic bu2092fv-e2 ic5 1110005340 s.Ic njm12902v-te1 q1 1530002060 s.Transistor 2sc4081 t106 r q2 1590001050 s.Transistor dtc114tua t106 q3 1590000430 s.Tr...

  • Page 57

    J2 6510022470 s.Connector 40flt-sm1-tb ds1 5040002670 s.Led cl-165hr/yg ds2 5040002310 s.Led sml-311ytt86 ds3 5040002310 s.Led sml-311ytt86 ds4 5040002310 s.Led sml-311ytt86 ds5 5040002310 s.Led sml-311ytt86 ds6 5040002310 s.Led sml-311ytt86 ds7 5040002310 s.Led sml-311ytt86 ds8 5040002310 s.Led sml...

  • Page 58

    S.=surface mount [main unit] [main unit] l32 6200005690 s.Coil eljre 18ng-f h, i l33 6200002850 s.Coil nl 252018t-r82j l35 6200002840 s.Coil nl 252018t-r22j l37 6200006980 s.Coil eljre r10g-f l38 6200005690 s.Coil eljre 18ng-f l41 6200005710 s.Coil eljre 27ng-f r1 7030000620 s.Resistor mcr10ezhj 100...

  • Page 59

    S.=surface mount [main unit] [main unit] r195 7030003490 s.Resistor erj3geyj 272 v (2.7 k Ω) r196 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) r197 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) r198 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) r199 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) r20...

  • Page 60

    S.=surface mount [main unit] [main unit] c77 4030006860 s.Ceramic c1608 jb 1h 102k-t c78 4030006860 s.Ceramic c1608 jb 1h 102k-t c79 4030011810 s.Ceramic c1608 jb 1a 224k-t c80 4030006880 s.Ceramic c1608 jb 1h 472k-t c81 4030006860 s.Ceramic c1608 jb 1h 102k-t c82 4030011040 s.Ceramic grm31m4c2h2r0c...

  • Page 61

    Ep1 6910013370 s.Bead blm18bb221sn1d ep3 6910011560 bead hf70bb4.5x5x1.6 ep4 6910010280 bead hf70bb9.5x10.4x4.9 ep5 6910010280 bead hf70bb9.5x10.4x4.9 ep6 0910055595 pcb b 5895e ref order description no. No. S.=surface mount [main unit] c293 4030006860 s.Ceramic c1608 jb 1h 102k-t c294 4030006860 s....

  • Page 62: Section 7

    Section 7 mechanical parts 7 - 1 mc1 mp1 + mp2 mp9 mp10 w2 w1 mp3 mp4 mp5 mp6 mp7 mp8 ic om lcd-sticker j1 6510004880 connector mr-ds-e 01 1 mp1 8010019060 2601 chassis [25w] 1 8010019130 2601 long chassis [45w] 1 mp2 8110007820 2601 cover 1 mp3 8810008660 screw ph bt m3 × 8 ni-zu 8 mp4 8810008660 s...

  • Page 63

    Mp8 (c) r14 (f) j1 (f) mp10 (f) w1 (f) mp7 (f) mp8 (f) mp12 (c) front unit unit abbreviations (f): front unit (m): main unit (c): chassis parts mp4 (f) mp3 (f) mp5 (f) mp1 (f) sp1 (f) mp2 (f) mp9 (f) mp5 (c) mp7 (m) mp1 (c) j1 (c) mp4 (c) mp11 (c) mp11 (m) mp1 (m) main unit mp8 (m) mp3 (m) mp3 (c) m...

  • Page 64

    Section 8 semi-conductor information • transistors and fet’s • diodes b e c b e c b e c b e c b e c g g d d s s d g s b c e b e c b e c s d g g s d d s g2 g1 d s g2 g1 b e c b e c b e c e1 b1 b2 c1 c2 e1 e2 b2 c1 b1 c2 2sa1577 t106 q 2sc3356 t1b r25 2sc4081 t106 r 2sc4116 bl 2sc4215 o 2sc4226 t1 r25...

  • Page 65

    Section 9 board layouts 9-1 front unit • top view 1 4 8 5 8v 1 to microphone 7 2 8 j1 afo mice gnd clo ptt mic cli 9 - 1.

  • Page 66

    1 16 20 11 1 1 7 14 8 10 17 32 33 48 49 64 1 39 2 to main unit j2 40 j2 dim d ast rmut mmut opt3 opt2 opt1 bu s y sck si so cirq ccs mic eptt horno beep pw on 8v gnd gnd to n e tenc nois nwc tmut unlk plst cdec sdec o v12 rssi lvin temp ba tv rxc afon 5v cpu5 afo 9 - 2 • bottom view (front unit).

  • Page 67

    Ant chassis j1 to dc cable w2 1 4 8 5 1 8 16 9 1 8 16 9 1 to optional unit 15 30 16 j1 gnd 5v vcc nc afono beepo nc det disc nc ccs cirq so si sck ptti ptt o mco t mcin nc bu s y nc sigo opt1 opt2 opt3 gnd opv3 opv2 opv1 dim 40 2 39 to front unit j2 1 j2 d ast rmut mmut opt3 opt2 opt1 bu s y sck si ...

  • Page 68

    Sp 14 8 1 1 7 14 8 7 12 24 1 13 9 - 4 • bottom view (main unit).

  • Page 69

    Section 10 block diagram mic afo beep 8v mcot mic mod rssi mixer 8v csft 19.6608 mhz beep f d e det disc j6 main unit front unit j1 ctcss/dtcs dec 5/2 tone dec j1 beep0 afano 353.65 mhz-443.65 mhz 46.35 mhz 450 khz sqin det 45.9 mhz 15.3 mhz hvc362 d21 bal ref 440-490 mhz 400-430 mhz nwc af vr pwr p...

  • Page 70

    Section 11 voltage diagrams 11-1 front unit j2 dim dast rmut mmut opt3 opt2 opt1 busy sck si so cirq ccs mic eptt horno beep pwon 8v gnd gnd tone tenc nois nwc tmut unlk plst cdec sdec ov12 rssi lvin temp batv rxc afon 5v cpu5 afo to main unit j2 ic1 hd6433687a05fp 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1...

  • Page 71

    11-2 main unit j1 sck si so cirq ccs disc det beepo afono ov12 dast opt3 opt2 opt1 sigo busy r266 47k r267 27k r268 10k r265 18k r270 100k r264 68k r269 100k r263 1m r262 1m r261 1m cp8 cp9 r271 100 mic c311 0.001 sck si ov12 so dast cirq ccs opt3 opt2 disc opt1 det sigo beepo busy afono main unit (...

  • Page 72

    Main unit (1) bus line2 c110 470p l41 27n r75 150k c105 0.001 q12 2sc5107 r8v c104 0.001 r74 100k r72 470 r76 220 r73 100 c109 0.001 c102 12p r71 33 q11 2sc5107 c365 6p c301 470p r234 47k 22n/27n l21 q10 2sc5107 c100 10p c98 2p r66 100k r65 220 l20 27n c101 0.001 d14 1sv307 d15 ma77 r69 4.7k r50 100...

  • Page 74

    1-1-32, kamiminami, hirano-ku, osaka 547-0003, japan s-13906hz-c1us-w c 2002, 2003 icom inc..