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Icom IC-F110 Service Manual

Other manuals for IC-F110: Instruction Manual, Instruction Manual

Summary of IC-F110

  • Page 1

    Vhf transceiver if110 if111 if121 service manual.

  • Page 2

    Introduction this service manual describes the latest service information for the ic-f110, f111 and f121 vhf 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. Do not expose th...

  • 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: s-av33) cpu 5v regurator* (ic10: ...

  • Page 6: Section 3

    3 - 1 section 3 disassembly instructions • opening case 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. B c d a j2 j7 ➄ unscrew 8 screws e . ➅ remove the filter case f . ➆ u...

  • 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, l43, c89, c90, c92, c380, c381, c510) and applied to the power module (ic3...

  • Page 10

    4 - 4 description the voltage from a dc power supply. The same voltage as the hv line which is con- trolled by the power switching circuit (q23, q24). When the [power] switch is pushed, the cpu outputs the “pwon” control signal to the power switching circuit to turn the circuit on. Common 5 v for th...

  • Page 11

    Outputs dimmer control signal. High: dimmter is on. Outputs backlight control signal. High: backlight is on. Output lcd segment signals. Output lcd common signals. 4 - 5 i/o ports for the optional board control signals. Input port for the clock sigal from the optional board via j1. Input port for th...

  • 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 electrolytic capacitor 47 f opc-1122 (cloning cable) 5-1 preparation when you adjust the contents on pages 5-5 and 5-6, soft- ware adjustment, the optional cs...

  • 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-f100 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 [ # # # # # # # # # ] power (l1) : 5...

  • 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: Section 6

    [front unit] [front unit] ic1 1140011260 s.Ic hd6433687a11fp (fx-2622a) ic2 1110005770 s.Ic s-80942cnmc-g9c-t2 ic3 1140008650 s.Ic hn58x2464ti ic5 1110005340 s.Ic njm12902v-te1 ic6 1130009090 s.Ic lc75834w q1 1530002850 s.Transistor 2sc4116-bl (te85r) q2 1590001050 s.Transistor dtc114tua t106 q3 159...

  • Page 19

    S.=surface mount [main unit] [front unit] j1 6450002210 connector 3017-8821 j2 6510022470 s.Connector 40flt-sm1-tb ds1 5040002310 s.Led sml-311ytt86 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 ...

  • Page 20

    S.=surface mount [main unit] [main unit] l37 6200003640 s.Coil mlf1608e 100k-t l38 6200009460 s.Coil 0.25-1.9-7tl 67n l39 6200008150 s.Coil 0.35-1.6-7tl 44n l41 6200009160 s.Coil eljre 68nj-f3 l42 6200003550 s.Coil mlf1608a 4r7k-t l43 6200005740 s.Coil eljre 47ng-f r1 7030000620 s.Resistor mcr10ezhj...

  • Page 21

    S.=surface mount [main unit] [main unit] r195 7030003440 s.Resistor erj3geyj 102 v (1 k Ω) r196 7030003600 s.Resistor erj3geyj 223 v (22 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) r200 ...

  • Page 22

    S.=surface mount [main unit] [main unit] c49 4030007040 s.Ceramic c1608 ch 1h 180j-t c50 4030006860 s.Ceramic c1608 jb 1h 102k-t c51 4030006860 s.Ceramic c1608 jb 1h 102k-t c52 4030007060 s.Ceramic c1608 ch 1h 270j-t c53 4030006900 s.Ceramic c1608 jb 1h 103k-t c54 4030006860 s.Ceramic c1608 jb 1h 10...

  • Page 23

    S.=surface mount [main unit] c264 4030011600 s.Ceramic c1608 jb 1e 104k-t c265 4510008030 s.Electrolytic ecev1ea471p c266 4510004630 s.Electrolytic ecev1ca100sr c268 4550006700 s.Tantalum ecst1ay106r c269 4030006860 s.Ceramic c1608 jb 1h 102k-t c270 4030006860 s.Ceramic c1608 jb 1h 102k-t c271 45100...

  • Page 24: Section 7

    Section 7 mechanical parts and disassembly 7 - 1 mc1 mp1 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 1 mp2 8110007820 2601 cover 1 mp3 8210019340 2622 front panel 1 mp4 8930059010 2622 keyboard 1 mp5 8930059090 2622 lcd pl...

  • Page 25

    Mp15 (c) r14 (f) j1 (f) mp16 (c) ds11 (f) mp5 (c) w1 (f) mp12 (c) mp1 (f) front unit unit abbreviations (f): front unit (m): main unit (c): chassis parts ep2 (f) mp6 (c) mp7 (c) mp3 (c) sp1 (f) mp4 (c) mp17 (c) mp11 (c) mp7 (m) mp1 (c) j1 (c) mp10 (c) mp10 (m) mp1 (m) main unit mp9 (m) mp11 (m) mp9 ...

  • Page 26

    Section 8 semi-conductor information • transsistors and fet’s • diodes 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 2sc4213 b 2sc4215 o 2sc4226 t1 r25 2sc5107 o 2sd1664 t100q 2sj144 gr 2sj377 2...

  • Page 27

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

  • Page 28

    1 16 1 48 24 13 12 36 37 25 1 7 14 8 17 32 33 48 49 8 5 1 4 64 1 39 2 to main unit j2 40 j2 dim d ast opt3 opt2 opt1 ptt o ptti rem sck si so cirq ccs mic eptt nc beep pw on 8v gnd gnd t one tenc nois exoe exst unlk plst cdec sdec o v12 rssi lvin temp ba tv nc nc 5v cpu5 afo 1 13 2 14 j3 gnd gnd pw ...

  • Page 29

    Ant chassis j1 to dc cable w2 ic3 1 4 8 5 1 8 16 9 1 8 16 9 1 to optional unit 15 30 16 j1 gnd 5v vcc mmute afono beepo rmute det disc rem ccs cirq so si sck ptti ptt o mco t mcin nc bu s y nc sigo opt1 opt2 opt3 gnd d ast o v12 o v12 dim 40 2 39 to front unit j2 1 j2 d ast opt3 opt2 opt1 ptt o ptti...

  • Page 30

    Sp 14 8 1 1 8 16 9 1 7 14 8 7 12 24 1 13 9 - 4 • bottom view (main unit).

  • Page 31

    Section 10 block diagram disc mic afo beep 8v mcot mcin beepo rssi mixer 8v csft 19.6608 mhz beep nois dim cdec sdec eptt lvin rssi f d e det disc j6 main unit front unit j1 ctcss/dtcs dec 5/2 tone dec j1 beep0 182.35 mhz-220.35 mhz 46.35 mhz 450 khz sqin det 45.9 mhz 15.3 mhz hvc362 d21 bal ref 136...

  • Page 32

    Section 11 voltage diagrams 11-1 front unit j2 dim dast opt3 opt2 opt1 ptto ptti rem sck si so cirq ccs mic eptt nc nc nc beep pwon 8v gnd gnd tone tenc nois exoe exst unlk j3 nmi res res opt2 nc gnd gnd gnd gnd gnd pwon opt1 p87 p86 cpu5v plst cdec sdec ov12 rssi lvin temp batv 5v cpu5 afo to main ...

  • Page 33

    11-2 main unit j1 sck si so cirq ccs gnd gnd disc det beepo afono ov12 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 r271 100 mic cp24 cp23 c311 0.001 sck si ov12 so dast cirq ccs opt3 rem opt2 disc opt1 det sigo beepo rmu...

  • Page 34

    Q20 2sc4116 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 c30...

  • Page 36

    1-1-32, kamiminami, hirano-ku, osaka 547-0003, japan s-13911hz-c1 c 2003 icom inc..