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Icom IC-FR3000 Series Service Manual

Manual is about: VHF FM REPEATER

Summary of IC-FR3000 Series

  • Page 1

    Vhf fm repeater ic-fr3000 ic-fr3 1 0 0

  • Page 2

    Introduction this service manual describes the latest service informa- tion for the ic-fr3000/ic-fr3100 vhf fm repeater. To upgrade quality, all electrical or mechanical parts and internal circuits are subject to change without notice or obligation. Danger use only the specified ac voltage described...

  • Page 3

    Table of contents section 1 specifications section 2 inside views section 3 circuit description 3 - 1 receiver circuits ................................................................................................... 3 - 1 3 - 2 transmitter circuits ..................................................

  • Page 4: Section 1 Specifications

    Measurement method frequency range type of emission channel spacing frequency stability number of channels antenna connector power supply requirement current drain (approx.) operating temperature range dimensions (proj. Not included) weight rf output power (high/low) modulation system maximum freque...

  • Page 5: Section 2

    2 - 1 jack1 unit* front unit jack2 unit* tx unit rx unit pa unit reg unit logic unit* section 2 inside views • board layout *: located under side of this point. • pa unit top view pre-drive (q4: 2sk3475) apc ctrl (ic1: ta75s01f q9: dtc143zu q10: dtc114eu) +9 v switch (q7: dtc114eu q8: 2sa1362) +5 v ...

  • Page 6

    2 - 2 • logic unit top view bottom view splatter filter (ic4: njm2902v) ctcss decoder (ic29: fx805lg) d/a converter (ic25: m62364) mic mix amplifier (ic2: njm2902v) mic amplifier (ic1: njm2902v) af amplifier (ic17: la4425a) mic mute (ic13: bu4066) led current ctrl (q18, q19, q20: xp1114) temperature...

  • Page 7

    2 - 3 • tx unit top view *: located under side of this point. • rx unit top view *: located under side of this point. Pll reference oscillator 12.8 mhz (x1: cr-759) pll ic* (ic2: mb1511pfv) tx vco circuit mixer (ic6: njm2107f) d/a converter* (ic5: m62364fp) rf amplifier (q1: 2sc5337) pll ic* (ic4: m...

  • Page 8: Section 3

    Section 3 circuit description 3 - 1 3-1 receiver circuits 3-1-1 rf circuit (rx unit) received signals from the rx antenna connector enter the rx unit j1 and pass through a tuned bandpass filter (d3, d4, l2, l3, c5–c8, c12, c13, c205, c206, c220, 221) which is controlled by the d/a converter ic (logi...

  • Page 9

    3 - 2 3-1-6 receiver mute circuits (logic unit) • noise squelch the noise squelch circuit cuts out af signals when no rf signals are received. By detecting noise components in the af signals, the squelch circuit switches the af mute switch. Some noise components in the af signals from the fm if ic (...

  • Page 10

    3 - 3 the mixed signals are applied to the splatter filter (ic4). • incase of the af signals from the antenna connector the af signals (received signals) from the antenna connec- tor (rx unit; j1) are applied to the buffer amplifier (ic9), ctcss detector (ic29) and af amplifier (ic6). The ampli- fie...

  • Page 11

    3 - 4 3-3 pll circuits 3-3-1 general each receiver and transmitter circuit has an independent pll circuit for controlling frequencies. All pll circuits are shielded and installed on the rx and tx units. Pll circuits steadily oscillate the transmit frequency and the receive local frequency. The pll o...

  • Page 12

    3 - 5 3-4 other circuit 3-4-1 telephone if circuit (logic unit) the signals from the telephone line (front, j13) are applied to the ringer detect circuit (ic48, d1, d5, r131, r143, r145, c100, c103, c375). The detected signals are applied to the cpu (ic33, pin 73) via “ring” line. The “hookc” signal...

  • Page 13

    Input port for the strobe signal. Input port for the clock signal. Outputs the serial data to the cpu (logic unit; ic33). Input port for the received af signal. Outputs the adjusted af signal for the repeater output. Outputs the adjustment signal for the pll reference frequency on the rx unit. Outpu...

  • Page 14

    3 - 7 outputs the strobe signal for the pll ic (rx unit; ic4). Outputs the strobe signal for the pll ic (tx unit; ic2). Input port for the unlock signal from the pll ic (tx unit; ic2). Outputs the tx mute control signal for the tx unit. Outputs the tx mute control signal for the pa unit. Input port ...

  • Page 15

    3 - 8 outputs the strobe signal for the port expander ic (logic unit; ic41). Outputs the strobe signal for the port expander ic (logic unit; ic40). Outputs the strobe signal for the port expander ic (logic unit; ic39). Outputs the strobe signal for the d/a converter ic (logic unit; ic25). Outputs th...

  • Page 16

    4 - 1 4-1 preparation some adjustments must be performed on the “adjustment mode”. Refer to the next page in detail. ■ required test equipment section 4 adjustment procedures equipment dc power supply rf power meter (terminated type) frequency counter fm deviation meter digital multimeter grade and ...

  • Page 17

    ■ entering the adjustment mode 1 turn the power off. 2 push and hold [ch-dn] and [ch-up] buttons, then turn the power on, keep on pushing [ch-dn] and [ch-up] buttons until sounds 1 beep audio. 3 push [ch-dn] button, then sounds 2 beep audio. ■ exiting the adjustment mode 1 turn the power off. 2 push...

  • Page 18

    173.725 173.725 162.275 150.275 150.275 162.275 162.275 150.275 173.725 162.275 162.275 162.275 165.275 165.275 4 - 3 ■ adjustment mode ch list a01 a02 a03 a04 a05 a06 a07 a08 a09 a10 a11 a12 a13 a14 a01 lw txref *** a02 lw hrtun *** a03 lw mrtun *** a04 lw lrtun *** a05 lw rptsql *** a06 hw power *...

  • Page 19

    4 - 4 4-2 pll adjustment tx vco lock voltage rx vco lock voltage reference frequency 1 1 1 2 • lcd display : a01 lw txref 127 • transmitting • lcd display : a01 lw txref 127 • receiving • wait for 5 minutes after power on. • lcd display : a01 lw txref connect an rf power meter or 50 Ω dummy load to ...

  • Page 20

    Cp4 c17 (tvco unit) tx vco lock voltage adjustment cp4 tx vco lock voltage check point cp4 4 - 5 cp18 cp2 cp1 cp3 lv c17 (rvco unit) rx vco lock voltage adjustment cp2 reference frequency check point cp3 rx vco lock voltage chack point cp2 l10 • tx unit top view rx unit tx unit dc/reg units pa unit ...

  • Page 21

    4 - 6 4-3 receiver adjustment rx sensitivity repeater sensitivity • lcd display : a02 lw hrtun • connect a standard signal generator to the [rx] antenna connector and set as: frequency : 173.925 mhz level : 32 µv* (–77 dbm) modulation : 1 khz deviation : ±3 khz • receiving • lcd display : a03 lw mrt...

  • Page 22

    4 - 7 4-4 software adjustment select an operation using [ch-up] / [ch-dn] keys, then set specified value using [rpt/base] / [moni] keys on the front panel. 1 2 1 2 1 2 • lcd display : a06 hw power • operating freq. : 162.2750 mhz • connect an rf power meter to the [tx] antenna connector. • transmitt...

  • Page 23

    4 - 8 *the output level of the standard signal generator (ssg) is indicated as the ssg’s open circuit. Software adjustment – continued select an operation using [ch-up] / [ch-dn] keys, then set specified value using [rpt/base] / [moni] keys on the front panel. ±3.0 khz [other] ±2.4 khz [frg2] ±1.5 k...

  • Page 24: Section 5

    [reg unit] [reg unit] ic1 1180001320 ic njm7809fa t ic2 1180002290 s.Ic njm7809dl1a-te b ic3 1180001860 s.Ic ta78m05f (te16l) b ic4 1180002480 s.Reg ta78dl12af (te16l) t ic6 1180001540 s.Ic ta78l08f (te12r) b ic7 1110002860 s.Ic ta75s393f (te85r) t ic9 1110002400 s.Ic njm2107f-te1 t ic11 1110002750 ...

  • Page 25

    [front unit] q1 1530002060 s.Transistor 2sc4081 t106 r t d1 1750000930 s.Diode nncd8.2c-t1 t d2 1750000930 s.Diode nncd8.2c-t1 t d3 1750000930 s.Diode nncd8.2c-t1 t l1 6200001620 s.Coil eljfc 1r0k-f t r1 7030003400 s.Resistor erj3geyj 471 v (470 Ω) t r2 7030003200 s.Resistor erj3geyj 100 v (10 Ω) t ...

  • Page 26

    [logic unit] [logic unit] q48 1160000150 s.Transistor imz4 t108 b q49 1590001960 s.Transistor xp4311 (tx) t q50 1590001960 s.Transistor xp4311 (tx) t q51 1540000570 s.Transistor 2sd1760 tlq [eur2], [frg2] b q52 1530001950 s.Transistor 2sc2712-gr (te85r) [eur2], [frg2] b d1 1730002650 s.Zener ptz te2...

  • Page 27

    [logic unit] [logic unit] r144 7030000480 s.Resistor mcr10ezhj 6.8 k Ω t r145 7030000410 s.Resistor mcr10ezhj 1.8 k Ω t r148 7030003760 s.Resistor erj3geyj 474 v (470 k Ω) t r149 7030003450 s.Resistor erj3geyj 122 v (1.2 k Ω) t r150 7030003450 s.Resistor erj3geyj 122 v (1.2 k Ω) t r151 7030003280 s....

  • Page 28

    [logic unit] [logic unit] r371 7030003640 s.Resistor erj3geyj 473 v (47 k Ω) b r372 7030003200 s.Resistor erj3geyj 100 v (10 Ω) b r373 7030003520 s.Resistor erj3geyj 472 v (4.7 k Ω) b r375 7030003680 s.Resistor erj3geyj 104 v (100 k Ω) b r376 7030003540 s.Resistor erj3geyj 682 v (6.8 k Ω) b r382 703...

  • Page 29

    [logic unit] [logic unit] c85 4030017490 s.Ceramic c1608 jb 1a 105k-t b c87 4030011600 s.Ceramic c1608 jb 1e 104k-t b c88 4030011600 s.Ceramic c1608 jb 1e 104k-t b c89 4030008870 s.Ceramic c1608 jb 1h 183k-t t c90 4030011600 s.Ceramic c1608 jb 1e 104k-t t c91 4030009490 s.Ceramic c1608 jb 1h 821k-t ...

  • Page 30

    [logic unit] [logic unit] c292 4550006250 s.Tantalum teesva 1a 106m8l b c294 4550006250 s.Tantalum teesva 1a 106m8l t c295 4550006250 s.Tantalum teesva 1a 106m8l t c296 4550006250 s.Tantalum teesva 1a 106m8l t c297 4550006250 s.Tantalum teesva 1a 106m8l t c301 4510004630 s.Electrolytic ecev1ca100sr ...

  • Page 31

    [rx unit] [rx unit] ic1 1190000450 s.Ic gn2011-q (tx) t ic2 1110003490 s.Ic ta31136fn (d,el) t ic3 1180000420 s.Ic ta78l05f (te12r) t ic4 1140002130 s.Ic mb1511pfv-g-bnd b ic5 1110002750 s.Ic ta75s01f (te85r) b ic6 1180000420 s.Ic ta78l05f (te12r) b ic7 1180000430 s.Ic ta78l06f (te12l) t ic8 1110003...

  • Page 32

    [rx unit] [rx unit] r155 7030003520 s.Resistor erj3geyj 472 v (4.7 k Ω) t r156 7030003620 s.Resistor erj3geyj 333 v (33 k Ω) t r157 7030003680 s.Resistor erj3geyj 104 v (100 k Ω) t r158 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) t r159 7030003440 s.Resistor erj3geyj 102 v (1 k Ω) t r160 703000352...

  • Page 33

    [rvco unit] [rx unit] c198 4030008880 s.Ceramic c1608 jb 1h 223k-t b c199 4030006860 s.Ceramic c1608 jb 1h 102k-t t c200 4030006860 s.Ceramic c1608 jb 1h 102k-t t c201 4550006250 s.Tantalum teesva 1a 106m8l b c202 4030006860 s.Ceramic c1608 jb 1h 102k-t t c203 4030011600 s.Ceramic c1608 jb 1e 104k-t...

  • Page 34

    [tx unit] [tx unit] ic1 1180000420 s.Ic ta78l05f (te12r) b ic2 1140002130 s.Ic mb1511pfv-g-bnd b ic3 1110002400 s.Ic njm2107f-te1 b ic4 1180000430 s.Ic ta78l06f (te12l) b ic5 1190001350 s.Ic m62364fp 600d b ic6 1110002400 s.Ic njm2107f-te1 t q1 1530002380 s.Transistor 2sc4215-y (te85r) t q3 15300032...

  • Page 35

    [tvco unit] [tx unit] c74 4030006860 s.Ceramic c1608 jb 1h 102k-t t c75 4030006860 s.Ceramic c1608 jb 1h 102k-t t c76 4030006860 s.Ceramic c1608 jb 1h 102k-t b c77 4030006860 s.Ceramic c1608 jb 1h 102k-t t c78 4030006860 s.Ceramic c1608 jb 1h 102k-t b c79 4030007170 s.Ceramic c1608 ch 1h 221j-t b c8...

  • Page 36

    [pa unit] [pa unit] ic1 1110002750 s.Ic ta75s01f (te85r) t ic2 1150002110 ic s-av33 (i) [eur2], [frg2] t 1150002160 ic s-av32 (i2) [usa2], [gen2], [gen4] t ic3 1110002400 s.Ic njm2107f-te1 t ic7 1180000420 s.Ic ta78l05f (te12r) t q4 1560001160 s.Fet 2sk3475 (te12l) t q7 1590000680 s.Transistor dtc11...

  • Page 37

    [jack1 unit] [pa unit] c112 4030011600 s.Ceramic c1608 jb 1e 104k-t [usa2], [gen2], [gen4] t j1 6510022800 s.Connector b10b-ph-sm3-tb t j2 6510007020 connector tmp-j01x-v6 t t2 591000 1000 transformer tc-7 t w3 7030003860 s.Resistor erj3ge jpw v t ep1 6910014490 terminal op-100 m3 t ep2 6910014490 t...

  • Page 38

    [jack2 unit] d1 1750000930 s.Diode nncd8.2c-t1 t d2 1750000930 s.Diode nncd8.2c-t1 t d3 1750000930 s.Diode nncd8.2c-t1 t d4 1750000930 s.Diode nncd8.2c-t1 t d5 1750000930 s.Diode nncd8.2c-t1 t d6 1750000930 s.Diode nncd8.2c-t1 t d11 1750000930 s.Diode nncd8.2c-t1 b d12 1750000930 s.Diode nncd8.2c-t1...

  • Page 39: ■ Voice Scrambler Unit

    Section 6 option unit installation 6 - 1 ■ opening the repeater’s case follow the case and cover opening procedures shown here when an optional unit is installed or adjust the in- ternal units, etc. Caution: disconnect the ac power cable and/or dc power cable from the repeater. Other- wise, there is...

  • Page 40: Section 7

    7 – 1 section 7 mechanical parts and disassembly screw abbreviations b0, bt: self-tapping ph: pan head fh: flat head ni-zu: nickel-zinc zk: black w2 8900011521 opc-1049a (power sw cable) 1 w7 8900011571 opc-1055a (logic-jack2 cable a) 1 w8 8900011580 opc-1056 (logic-jack2 cable b) 1 w9 8900011590 op...

  • Page 41

    7 – 2 mp19 mp101 mp101 mp27 w5 (l) w4 (l) mp69 ep3 (f) ep2 (f) ep4 (f) ep7 (f) ep6 (f) ep5 (f) mp68 mp68 mp68 mp84 w17 mp84 mp84 mp82 mp82 w2 mp67 mp67 mp66 mp66 mp14 mp15 w16 mp1 mp4 mp3 mp10 mp8 sp1 mp9 mp16 mp6 mp2 mp5 mp12 mp12 mp11 mp101 mp101 mp20 mp20 mp20 mp20 mp65 mp65 mp65 mp65 mp65 mp11 e...

  • Page 42

    7 - 3 w1 mp100 mp34 w5 mp83 mp35 mp35 mp59 j1 w12 w3 mp33 w10 w11 mp32 ep7 (r) ep8 (r) ep4 (r) ep9 (r) ep5 (r) ep3 (r) ep10 (r) ep6 (r) mp33 mp83 mp83 mp83 mp83 mp83 f6 (r) f2 (r) f4 (r) f5 (r) f1 (r) mp60 mp60 mp61 mp61 w15 ep4 ep5 mf2 mf1 mp97 w14 mp93 mp94 mp96 mp96 mp28 mp30 mp100 mp100 mp100 mp...

  • Page 43

    7 - 4 mp1 8510014700 2368 rvco case 1 ref order description no. No. Qty. [rvco unit] mp1 8510014690 2368 tvco case 1 ref order description no. No. Qty. [tvco unit] ep1 6910014490 terminal op-100 m3 1 ep2 6910014490 terminal op-100 m3 1 mp1 8930060410 2367 module holde 1 mp2 8930060420 2367 module pl...

  • Page 44: Section 8

    8 - 1 section 8 semi-conductor information 8 - 1 transistors and fets 2sc4116-y (symbol: ly) 2sc4215-o (symbol: qo) 2sc5006-t1 (symbol: 24) 2sa1362-y 2sb1182 tl q (symbol: b1182, q ) (symbol: aey) b e c 2sa1576a t106r (symbol: fr) b e c 2sc4226-t1 r25 (symbol: r25) 2sk880y (symbol: xy) s d g b e c b...

  • Page 45

    8 - 2 8 - 2 diodes 1ss226 (te85r) (symbol: c3) a c 1ss268 (te85r) (symbol: bf) c a1 a2 1ss319 (te85r) (symbol: a4) a1 a2 c1 c2 a a c c 1ss355 te-17 (symbol: a) a c a c a a c c a c a c a c 1sv308 (tpl3) (symbol: tx) a c d1uba80-4062 (symbol: ua80) dsa3a1 (symbol: none) fch30a03l (symbol: fch30a03l) h...

  • Page 46

    9 - 1 gnd a5v lcdv rs r/w ena db0 db1 db2 db3 db4 db5 db6 db7 blv gnd gnd lv gnd v9v rx out gnd to lcd ds7 j4 to rx unit volume squelch modc 7 mod lv gnd tx out v9v j3 j1 j5 j6 j4 j2 j1 6 1 to tx unit to tx unit r1 r2 1 7 2 8 to sp/mic clone m ptt mic m moni l9v spr mice spg 1 3 2 4 j7 j6 to line l1...

  • Page 47

    9 - 2 vr unit ¡bottom view tvco unit ¡bottom view rvco unit ¡bottom view dcl txl basel d5v db7 db5 ena rs gnd prog chdn i r/b to logic unit j3 to logic unit j4 remote mice gnd clone m moni j1 j2 progl rmtl busyl d5v db6 db4 r/w a5v gnd disp chup i moni 1 2 24 23 1 2 10 9 spmute mic l9v m ptt gnd to ...

  • Page 48

    9 - 3 j9 1 3 4 5 6 7 8 9 10 11 12 13 11 spg sp to jack1 unit j3 –ptt +ptt –afout +afout –extmod +extmod +b usy –b usy gnd j11 1 13 b usy out txout co axsw m/so m/si d0 e r/b e pt2 e moni d3/dt o d4/dti d2/r ts d1/cts to jack2 unit j2 j10 1 13 af gnd dc gnd af gnd +e15v disc out af out e modg rssi e ...

  • Page 49

    9 - 4 dcl progl txl rmtl basel busyl d5v d5v db7 db6 db5 db4 ena r/w rs a5v gnd gnd prog disp chdn chup i r/b i moni j1 1 2 21 22 ndet sql gnd disc gnd gnd gnd gnd gnd gnd tune rvcon rlv rssi w/ns runlk r9c rplstb sdto sck m9v m9v j2 1 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 ...

  • Page 50

    9 - 5 to logic unit j1 rx ant j1 w12 j2 gnd gnd m9v m9v r9c gnd rssi gnd runlk rlv sck sdto rplstb w/ns ndet gnd gnd disc gnd tune rvcon sql 2 21 1 22 1 2 3 4 5 6 gnd rx out v9v lv gnd gnd 9 - 6 rx unit ¡top view the combination of this page and the next page shows the unit layout in the same config...

  • Page 51

    9 - 6 ¡bottom view rx unit the combination of this page and the previous page shows the unit layout in the same configuration as the actual p.C. Board..

  • Page 52

    9 - 7 to logic unit j2 to pa unit j2 21 j3 22 1 2 j5 to pa unit j1 10 m9v m9v tmute2 pcon patemp rvswr fwswr gnd gnd gnd 1 j4 sck sdto da1stb tplstb m9v m9v gnd tunlk w/ns tlv gnd tmute1 gnd fwswr rvswr patemp tmute2 txaf gnd etone gnd i tone w1 9 - 7 tx unit ¡ top view the combination of this page ...

  • Page 53

    9 - 8 ¡bottom view tx unit the combination of this page and the previous page shows the unit layout in the same configuration as the actual p.C. Board..

  • Page 54

    9 - 9 to tx unit j1 w1 txrfin gnd to tx unit j4 10 m9v m9v tmute2 pcon patemp rvswr fwswr gnd gnd gnd 1 gnd vcc1 to reg unit ep7 ep2 ep1 to reg unit ep8 tx ant w13 ic2 9 - 8 pa unit ¡ top view the combination of this page and the next page shows the unit layout in the same configuration as the actua...

  • Page 55

    9 - 10 to tx unit j1 w1 txrfin gnd gnd vcc1 to reg unit ep7 ep2 ep1 to reg unit ep8 ic2 ¡bottom view pa unit the combination of this page and the previous page shows the unit layout in the same configuration as the actual p.C. Board..

  • Page 56

    9 - 11 to logic unit j5 to logic unit j6 to pa unit ep2 to pa unit ep1 ps 0v ps 15v battery – ps 15v battery + ps 0v gnd gnd vcc1 vcc1 a5v regtemp m9c l9v m9v l9v a5v psd m9v gnd 1 9 2 10 1 2 w2 w2 w15 w9 w9 w14 1 4 j13 m sw ps 0v j17 j14 1 2 gnd pa f12v j16 to pa fan 1 2 gnd pa f12v j18 to reg fan ...

  • Page 57

    9 - 12 jack1 unit ¡bottom view jack2 unit ¡bottom view to pa unit ep2 to pa unit ep1 ps 0v ps 15v battery – ps 15v battery + ps 0v to logic unit j10 af gnd disc out dc gnd af out af gnd e modg e mod2 e mod3 e modg e dtcs e modg rssi 13 1 j3 +e15v ¡bottom view reg unit the combination of this page an...

  • Page 58

    10 - 1 tx unit sck,sdto,da1stb,tplstb i tone txaf patemp tlv tunlk fwswr rvswr ic4d tx- tone fil q1: xp1214 ctdto from cpu ic4: njm2902v splat fil ic4a, b, c ic3: njm2902v limit ic3a sig mix ic3b pre- emp ic2c cp2 mico hpf ic2a, b sw-c ic1c af amp ic2: njm2902v mic mix ic2d ic1d ic1: njm2902v af amp...

  • Page 59

    10 - 2 t5v m9v ic5: m62364fp t6v +6 reg +5 reg m9v ic1: ta78l05f ic4: ta78l06f v9v q1: 2sk508 d5: 1sv305 d1: 1sv305 d2: 1sv305 d3: 1sv305 d4: 1sv305 q6: 2sc3661 d4: ma2s111 tvco unit q2: 2sc4226 tx unit d1: 1sv308 d3: 1sv308 q1: 2sc4215 patemp pa unit m9v +5v reg +5v q1: 2sk3475 ic7: ta78l05f ic3: n...

  • Page 60

    11 - 1 display rx unit chassis unit rvco unit tx unit unit tvco pa unit front unit jack1 unit vr unit reg unit logic unit jack2 unit mice to sp mic to line m ptt spr clone l9v 1 2 3 4 5 6 7 8 j7 l9v remote spmute mice mic gnd spr spg 1 2 3 4 5 6 7 8 9 10 j4 1 2 j3 1 2 3 4 5 6 7 8 9 10 j1 w4 (logic) ...

  • Page 61

    12 - 1 note : voltage line rx line 13 25 12 24 11 23 10 22 9 21 8 20 7 19 6 18 5 17 4 16 3 15 2 14 1 j1 l22 blm21pg221sn1 l20 blm21pg221sn10 l18 blm21pg221sn1 d0 m/s in m/s out coaxial sw tx out busy out l23 blm21pg221sn1 l21 blm21pg221sn1 l19 blm21pg221sn1 l17 blm21pg221sn1 d0 m/si m/so coaxsw txou...

  • Page 62

    12 - 2 note : voltage line rx line c41 0.001 l33 0.39 µh c182 56p c39 0.001 l9 458db-1011 c40 0.001 r15 100 r17 100 r187 100 c35 0.001 c34 0.001 r14 100 g1 6 d1 5 d2 4 s2 3 s1 2 g2 1 ic1 gn2011-q w2 l8 458db-1011 w1 c22 18p c30 15p c31 0.001 l7 c6342a-r11j-a c18 0.001 c24 12p c21 6p c152 0.01 c3 0.0...

  • Page 63

    12 - 3 note : voltage line tx line modc r95 100 tx out v9v v9v v9v gnd gnd mod r1 18 r2 18 r3 18 c4 0.001 c77 0.001 r5 3.9k c2 0.001 r4 10k c10 8p c15 0.001 c16 0.001 l2 lqw2bhnr10j01l r6 100 l14 36cs-656lz-09k=p3 l31 47nh c9 10p c17 0.001 l8 2.2 µh c29 0.001 c20 10p l9 2.2 µh r17 1.2k r96 1,2k r97 ...

  • Page 64

    12 - 4 note : voltage line tx line pa unit r63 1k [eur2], [frg2] 1.5k [usa2], [gen2], [gen4] r58 1.5k d16 hsu88trf c112 0.1 [usa2], [gen2], [gen4] c57 0.1 c11 0.001 c83 1p d13 hsu88trf l15 blm31pg121sn1 c109 1 [eur2], [frg2] r61 1.2k [eur2], [frg2] 1.5k [usa2], [gen2], [gen4] c80 100p r29 56 c30 0.0...

  • Page 65

    Note : voltage line tx line rx line logic unit q52 2sc2712 q51 2sd1760 c303 0.1 1 2 3 11 4 r32 22k r342 3.9k r340 10 a5v cp2 r313 100k r40 4.7k c7 0.1 c8 0.1 c9 0.1 c11 0.1 c10 0.1 8 9 10 7 6 5 r314 4.7k r26 15k r27 5.6k r28 680 r29 3.9k r30 2.2k r31 270 r312 6.8k r341 3.9k r5 15k r6 180k c382 22p c...

  • Page 66

    12- 6 voltage line tx line rx line logic unit to rx unit j2 to tx unit j3 l4 blm31pg121sn1 1 2 3 4 5 6 j5 l9v vcc2 l1 blm31pg121sn1 l2 blm31pg121sn1 l3 blm31pg121sn1 c249 47 c247 47 c248 10 c234 0.001 c235 0.001 c236 0.001 c237 0.001 c238 0.001 1 2 3 4 5 6 7 8 9 10 j6 c438 0.001 c233 0.001 vcc2 m9v ...

  • Page 67

    12 - 7 1 2 3 4 j17 c36 0.001 c4 0.001 r17 22 r3 47k r66 22k m sw c15 0.001 s1 rxe160 r16 22 d7 fch30a03l c34 22 r42 10 r27 680 r37 10 c51 0.01 c7 2200 f3 atc-20 f1 f2 c6 2200 c5 0.001 1 2 3 4 ep3 1 2 3 4 ep10 ps 15v ps 15v ps 15v ps 15v ps 15v ps 15v cp5 1 2 3 4 ep4 ps 0v ps 0v ps 0v ps 0v m sw ps 0...

  • Page 69

    S-14004mz-c1 © 2003 icom inc. 1-1-32, kamiminami, hirano-ku, osaka 547-0003, japan.

  • Page 70

    Uhf fm repeater ic-fr4000

  • Page 71

    Introduction this service manual describes the latest service informa- tion for the ic-fr4000 uhf fm repeater. To upgrade quality, all electrical or mechanical parts and internal circuits are subject to change without notice or obligation. Danger use only the specified ac voltage described on the ac...

  • Page 72

    Table of contents section 1 specifications section 2 inside views section 3 circuit description 3 - 1 receiver circuits ................................................................................................... 3 - 1 3 - 2 transmitter circuits ..................................................

  • Page 73: Section 1

    1 - 1 section 1 specifications ‘ ‘ general • frequency range : 450–480 mhz • type of emission : 16k0f3e / 8k50f3e • frequency resolution : 25 or 12.5 khz • number of channels : max. 32 channel • antenna connector :n-type × 2 (50 Ω) • power supply requirement : 100–120 v ac [120v version] 220–240 v a...

  • Page 74: Section 2

    2 - 1 jack1 unit* front unit jack2 unit* tx unit rx unit 50pa unit reg unit logic unit* section 2 inside views • board layout *: located under side of this point. • 50pa unit top view temp sensor (ic4: njm2107f d1: ma29wb) pre-drive (ic1: sc-1323) power amplifier (q2: 2sc3102) +8v reg (ic3: ta7808f)...

  • Page 75

    2 - 2 • logic unit top view bottom view splatter filter (ic4: njm2902v) ctcss decoder (ic29: fx805) off-hook ctrl (ic47: lc73701m, ic50: tc4w53) d/a converter (ic25: m62364) mic mix amplifier (ic2: njm2902v) mic amplifier (ic1: njm2902v) mic mute (ic13: bu4066) led current ctrl (q18, q19, q20: xp111...

  • Page 76

    2 - 3 • tx unit top view *: located under side of this point. • rx unit top view *: located under side of this point. Pll reference oscillator 12.8 mhz (x1: cr-732) pll ic* (ic2: mb15a02pfv1) tx vco circuit mixer (ic6: njm2107f) d/a converter* (ic5: m62364fp) rf amplifier (q1: 2sc5337) pll ic* (ic4:...

  • Page 77: Section 3

    Section 3 circuit description 3 - 1 3-1 receiver circuits 3-1-1 rf circuit (rx unit) received signals from the rx antenna connector enter the rx unit j1 and pass through a tuned bandpass filter ( d3, d4, l1–l3, l32, c2, c5–c8, c10–c12, c14, c205, c206, c210,) which is controlled by the d/a converter...

  • Page 78

    3 - 2 3-1-6 receiver mute circuits (logic unit) • noise squelch the noise squelch circuit cuts out af signals when no rf signals are received. By detecting noise components in the af signals, the squelch circuit switches the af mute switch. Some noise components in the af signals from the fm if ic (...

  • Page 79

    3 - 3 • in case of the af signal from the antenna connector the af signals (received signals) from the antenna connec- tor (rx unit; j1) are applied to the buffer amplifier (ic9), ctcss detector (ic29) and af amplifier (ic6). The ampli- fied signals are applied to the expander ic (ic25) to adjust to...

  • Page 80

    3 - 4 rent of the drive amplifier (ic1, pin 2) to reduce the output power. 3-3 pll circuits 3-3-1 general each receiver and transmitter circuit has an independent pll circuit for controlling frequencies. All pll circuits are shielded and installed on the rx and tx units. Pll circuits steadily oscill...

  • Page 81

    3 - 5 3-4 other circuit 3-4-1 telephone if circuit (logic unit) the signals from the telephone line (front, j13) are applied to the ringer detect circuit (c100, c103, c375, r131, d1, d5, r143, r145, ic48). The detected signals are applied to the cpu (ic33, pin 73) via “ring” line. The “hookc” signal...

  • Page 82

    3 - 6 input port for the strobe signal. Input port for the clock signal. Outputs the serial data to the cpu (logic unit; ic33). Input port for the received af signal. Outputs the adjusted af signal for the repeater output. Outputs the adjustment signal for the pll reference frequency on the rx unit....

  • Page 83

    3 - 7 outputs the strobe signal for the pll ic on the rx unit. Outputs the strobe signal for the pll ic on the tx unit. Input port for the unlock signal from the pll ic on the tx unit. Outputs the tx mute signal for the tx unit. Outputs the tx mute signal for the pa unit. Input port for the ptt swit...

  • Page 84

    3 - 8 outputs the strobe signal for the port expander ic (logic unit; ic41). Outputs the strobe signal for the port expander ic (logic unit; ic40). Outputs the strobe signal for the port expander ic (logic unit; ic39). Outputs the strobe signal for the d/a converter ic (logic unit; ic25). Outputs th...

  • Page 85

    4 - 1 4-1 preparation when adjusting the contents on page 4-7, a jig cable is required. Some adjustments must be performed on the “adjustment mode”. Refer to the next page in detail. ■ required test equipment section 4 adjustment procedures equipment dc power supply rf power meter (terminated type) ...

  • Page 86

    ■ entering the adjustment mode 1 turn the power off. 2 push and hold [ch-dn] and [ch-up] buttons, then turn the power on, keep on pushing [ch-dn] and [ch-up] buttons until sounds 1 beep audio. 3 push [ch-dn] button, then sounds 2 beep audio. ■ exiting the adjustment mode 1 turn the power off. 2 push...

  • Page 87

    450.275 465.275 450.275 450.275 465.275 450.275 479.725 465.275 465.275 465.275 465.275 465.275 4 - 3 ■ adjustment mode ch list a01 a03 a05 a06 a07 a08 a09 a10 a11 a12 a13 a14 a01 lw txref *** a03 lw mrtun *** a05 lw rptsql*** a06 hw power *** a07 lw m dev *** a08 lw lmodc *** a09 lw hmodc *** a10 l...

  • Page 88

    4 - 4 4-2 pll adjustment tx vco lock voltage rx vco lock voltage reference frequency 1 1 1 2 • lcd display : a01 lw txref • receiving • lcd display : a01 lw txref • receiving • wait for 5 minutes after power on. • lcd display : a01 lw txref • connect an rf power meter or 50 Ω dummy load to the tx an...

  • Page 89

    Cp1 c17 tx vco lock voltage adjustment cp1 tx vco lock voltage check point 4 - 5 cp18 hj4 cp1 c17 rx vco lock voltage adjustment hj4 reference frequency check point cp1 rx vco lock voltage chack point • tx unit top view rx unit tx unit • ic-fr4000 top view • rx unit top view.

  • Page 90

    4 - 6 4-3 rx adjustment rx sensitivity • lcd display : a03 lw mrtun • connect a standard signal generator to the rx antenna connector and set as: frequency : 465.075 mhz level : 10 µv* (–87 dbm) modulation : 1 khz deviation : ±3 khz • receiving rx connect a digital multi meter or oscilloscope to che...

  • Page 91

    4 - 7 4-4 software adjustment select an operation using [ch-up] / [ch-dn] keys, then set specified value using [rpt/base] / [moni] keys on the front panel. 1 2 1 2 1 2 • lcd display : a06 hw power • operating freq. : 465.2750 mhz • connect the rf power meter to the tx antenna connector. • transmitti...

  • Page 92: Section 5

    [reg unit] [reg unit] ic1 1180001320 ic njm7809fa ic2 1180002290 s.Ic njm7809dl1a-te ic3 1180001860 s.Ic ta78m05f (te16l) ic4 1180002480 s.Reg ta78dl12af (te16l) ic6 1180001540 s.Ic ta78l08f (te12r) ic7 1110002860 s.Ic ta75s393f (te85r) ic8 1110002860 s.Ic ta75s393f (te85r) ic9 1110002400 s.Ic njm21...

  • Page 93

    Q1 1530002060 s.Transistor 2sc4081 t106 r d1 1750000930 s.Diode nncd8.2c-t1 d2 1750000930 s.Diode nncd8.2c-t1 d3 1750000930 s.Diode nncd8.2c-t1 l1 6200001620 s.Coil eljfc 1r0k-f r1 7030003400 s.Resistor erj3geyj 471 v (470 Ω) r2 7030003200 s.Resistor erj3geyj 100 v (10 Ω) r3 7030003200 s.Resistor er...

  • Page 94

    S.=surface mount [logic unit] [logic unit] q44 1590002430 s.Transistor dta144ee tl q45 1510000590 s.Transistor 2sa1362-y (te85l) q48 1160000150 s.Transistor imz4 t108 q49 1590001960 s.Transistor xp4311 (tx) q50 1590001960 s.Transistor xp4311 (tx) d1 1730002650 s.Zener ptz te25 36b d4 1710001180 s.Br...

  • Page 95

    S.=surface mount [logic unit] [logic unit] r128 7030003680 s.Resistor erj3geyj 104 v (100 k Ω) r129 7030006480 s.Resistor mcr100jzhj 10 Ω (100) r130 7030003620 s.Resistor erj3geyj 333 v (33 k Ω) r131 7030001430 s.Resistor mcr50jzhj 27 k Ω r137 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) r138 70300...

  • Page 96

    S.=surface mount [logic unit] [logic unit] r341 7030003510 s.Resistor erj3geyj 392 v (3.9 k Ω) r342 7030003510 s.Resistor erj3geyj 392 v (3.9 k Ω) r345 7030003500 s.Resistor erj3geyj 332 v (3.3 k Ω) r346 7030003450 s.Resistor erj3geyj 122 v (1.2 k Ω) r347 7030003540 s.Resistor erj3geyj 682 v (6.8 k ...

  • Page 97

    S.=surface mount [logic unit] [logic unit] c64 4030006860 s.Ceramic c1608 jb 1h 102k-t c66 4030008850 s.Ceramic c1608 jb 1h 123k-t c67 4030010760 s.Ceramic c1608 ch 1h 331j-t c68 4030007170 s.Ceramic c1608 ch 1h 221j-t c70 4030009980 s.Ceramic c1608 jb 1h 152k-t c71 4030008900 s.Ceramic c1608 jb 1h ...

  • Page 98

    S.=surface mount [logic unit] [logic unit] c250 4030011600 s.Ceramic c1608 jb 1e 104k-t c251 4030011600 s.Ceramic c1608 jb 1e 104k-t c252 4030011600 s.Ceramic c1608 jb 1e 104k-t c253 4030006860 s.Ceramic c1608 jb 1h 102k-t c254 4510004630 s.Electrolytic ecev1ca100sr c255 4030011600 s.Ceramic c1608 j...

  • Page 99

    S.=surface mount [rx unit] [logic unit] w4 8900009230 cable opc-908 (p=1 n=10 l=60) w5 8900008740 cable opc-867 (p=1 n=24 l=60) w7 7030003860 s.Jumper erj3ge jpw v w8 7030007150 s.Jumper mcr50jzhj jpw w10 8900009270 cable opc-912 (p=1 n=22 l=70) w11 8900009270 cable opc-912 (p=1 n=22 l=70) w12 70300...

  • Page 100

    S.=surface mount [rx unit] [rx unit] r1 7030003670 s.Resistor erj3geyj 823 v (82 k Ω) r2 7030003680 s.Resistor erj3geyj 104 v (100 k Ω) r3 7030003680 s.Resistor erj3geyj 104 v (100 k Ω) r4 7030003500 s.Resistor erj3geyj 332 v (3.3 k Ω) r5 7030003500 s.Resistor erj3geyj 332 v (3.3 k Ω) r6 7030003280 ...

  • Page 101

    5 - 10 s.=surface mount [rx unit] [rx unit] c64 4030006860 s.Ceramic c1608 jb 1h 102k-t c65 4030006860 s.Ceramic c1608 jb 1h 102k-t c67 4510004630 s.Electrolytic ecev1ca100sr c68 4550000460 s.Tantalum tesva 1c 105m1-8l c69 4030006860 s.Ceramic c1608 jb 1h 102k-t c70 4030011600 s.Ceramic c1608 jb 1e ...

  • Page 102

    S.=surface mount [tx unit] [rvco unit] q1 1560001280 s.Fet 2sk508 k53 t1b q2 1530002920 s.Transistor 2sc4226-t1 r25 d1 1720000640 s.Varicap 1sv284 (tph3) d2 1720000640 s.Varicap 1sv284 (tph3) d3 1720000640 s.Varicap 1sv284 (tph3) d4 1720000640 s.Varicap 1sv284 (tph3) l1 6200007120 s.Coil eljnd 1r0j ...

  • Page 103

    S.=surface mount [tx unit] [tx unit] r45 7030003520 s.Resistor erj3geyj 472 v (4.7 k Ω) r50 7030003480 s.Resistor erj3geyj 222 v (2.2 k Ω) r51 7030003520 s.Resistor erj3geyj 472 v (4.7 k Ω) r52 7030003480 s.Resistor erj3geyj 222 v (2.2 k Ω) r53 7030003300 s.Resistor erj3geyj 680 v (68 Ω) r54 7030003...

  • Page 104

    S.=surface mount [50pa unit] [tvco unit] q1 1530000371 s.Transistor 2sc3356-t1b r25 q2 1530002920 s.Transistor 2sc4226-t1 r25 d1 1720000640 s.Varicap 1sv284 (tph3) d2 1720000640 s.Varicap 1sv284 (tph3) d3 1720000640 s.Varicap 1sv284 (tph3) d4 1720000640 s.Varicap 1sv284 (tph3) d5 1720000640 s.Varica...

  • Page 105

    S.=surface mount [50pa unit] [50pa unit] r45 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) r46 7030000180 s.Resistor mcr10ezhj 22 Ω (220) r47 7030003320 s.Resistor erj3geyj 101 v (100 Ω) r48 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) r50 7030003200 s.Resistor erj3geyj 100 v (10 Ω) r51 7030003680 ...

  • Page 106

    S.=surface mount [jack2 unit] [vr unit] r1 7210003110 variable rk0971110 10ka r2 7210003120 variable rk0971110 10kb j1 6510018950 s.Connector b7b-ph-sm3-tb ep1 0910056093 pcb b 5653c l1 6200009940 s.Coil blm21pg221sn1 l2 6200009940 s.Coil blm21pg221sn1 l3 6200009940 s.Coil blm21pg221sn1 l4 620000994...

  • Page 107

    S.=surface mount [chassis unit] j1 6510022970 connector n-pa-jj (ni) sp1 2510001200 speaker c057fa510-10 mf1 2710000750 fan fba08a12lz mf2 2710000740 fan fba06a12l w1 8900011510 cable opc-1048 (ac input cable) w2 8900011520 cable opc-1049 (power sw cable) w3 8900011530 cable opc-1050 (backup dc cabl...

  • Page 108: ■ Voice Scrambler Unit

    Section 6 option unit installation 6 - 1 ■ opening the repeater’s case follow the case and cover opening procedures shown here when an optional unit is installed or adjust the in- ternal units, etc. Caution: disconnect the ac power cable and/or dc power cable from the repeater. Other- wise, there is...

  • Page 109

    7 - 1 section 7 mechanical parts and disassembly screw abbreviations b0, bt: self-tapping ph: pan head ni-zu: nickel-zinc zk: black w2 8900011520 opc-1049 (power sw cable) 1 w7 8900011570 opc-1055 (logic-jack2 cable a) 1 w8 8900011580 opc-1056 (logic-jack2 cable b) 1 w9 8900011590 opc-1057 (logic-ja...

  • Page 110

    7 - 2 mp19 mp101 mp101 mp27 w5 (l) w4 (l) mp69 ep3 (f) ep2 (f) ep4 (f) ep7 (f) ep6 (f) ep5 (f) mp68 mp68 mp68 mp84 w17 mp84 mp84 mp82 mp82 w2 mp67 mp67 mp66 mp66 mp14 mp15 w16 mp1 mp4 mp3 mp10 mp8 sp1 mp9 mp16 mp6 mp2 mp5 mp12 mp12 mp11 mp101 mp101 mp20 mp20 mp20 mp20 mp65 mp65 mp65 mp65 mp65 mp11 m...

  • Page 111

    7 - 3 w1 mp100 mp34 w5 mp83 mp35 mp35 mp59 j1 w12 w3 mp33 w10 w11 mp32 ep7 (r) ep8 (r) ep4 (r) ep9 (r) ep5 (r) ep3 (r) ep10 (r) ep6 (r) mp33 mp83 mp83 mp83 mp83 mp83 f6 (r) f2 (r) f4 (r) f5 (r) f1 (r) mp60 mp60 mp61 mp61 w15 ep4 ep5 mf2 mf1 mp97 w14 mp93 mp94 mp96 mp96 mp28 mp30 mp100 mp100 mp100 mp...

  • Page 112

    7 - 4 mp1 8510014700 2368 rvco case 1 ref order description no. No. Qty. [rvco unit] mp1 8510014690 2368 tvco case 1 ref order description no. No. Qty. [tvco unit] ep1 6910014490 terminal op-100 m3 1 ep2 6910014490 terminal op-100 m3 1 mp1 8930056630 2368 module holder y602 1 mp2 8930056640 2368 mod...

  • Page 113

    8 - 1 8 - 2 diodes 1sr154-400 te25 (symbol: 14) 1ss226 (te85r) (symbol: c3) a c 1ss268 (te85r) (symbol: bf) c a1 a2 1ss319 (te85r) (symbol: a4) a1 a2 c1 c2 a a c c 1ss355 te-17 (symbol: a) a c a c a a c c a c a c a c a c 1sv284 (tph3) (symbol: tl) a c a c 1sv308 (tpl3) (symbol: tx) d1uba80-4062 (sym...

  • Page 114

    9 - 1 9 - 2 vr unit ¡ top view 9 - 3 tvco unit ¡ top view 9 - 4 rvco unit ¡ top view 2 4 6 8 2 1 4 3 1 3 5 7 lcd gnd a5v lcdv rs r/w ena db0 db1 db2 db3 db4 db5 db6 db7 blv gnd gnd lv gnd v9v rx out gnd to lcd ds7 j4 to rx unit volume squelch modc 7 mod lv gnd tx out v9v j3 j1 j5 j6 j4 j2 j1 6 1 to ...

  • Page 115

    9 - 2 rvco unit ¡ bottom view tvco unit ¡ bottom view vr unit ¡ bottom view dcl txl basel d5v db7 db5 ena rs gnd prog chdn i r/b to logic unit j3 to logic unit j4 remote mice gnd clone m moni j1 j2 progl rmtl busyl d5v db6 db4 r/w a5v gnd disp chup i moni 1 2 24 23 1 2 10 9 spmute mic l9v m ptt gnd ...

  • Page 116

    9 - 3 j9 1 3 4 5 6 7 8 9 10 11 12 13 11 spg sp to jack1 unit j3 –ptt +ptt –afout +afout –extmod +extmod +b usy –b usy gnd j11 1 13 b usy out txout co axsw m/so m/si d0 e r/b e pt2 e moni d3/dt o d4/dti d2/r ts d1/cts to jack2 unit j2 j10 1 13 af gnd dc gnd af gnd +e15v disc out af out e modg rssi e ...

  • Page 117

    9 - 4 dcl progl txl rmtl basel busyl d5v d5v db7 db6 db5 db4 ena r/w rs a5v gnd gnd prog disp chdn chup i r/b i moni j1 1 2 21 22 ndet sql gnd disc gnd gnd gnd gnd gnd gnd tune rvcon rlv rssi w/ns runlk r9c rplstb sdto sck m9v m9v j2 1 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 ...

  • Page 118

    9 - 5 to logic unit j1 rx ant j1 w12 j2 gnd gnd m9v m9v r9c gnd rssi gnd runlk rlv sck sdto rplstb w/ns ndet gnd gnd disc gnd tune rvcon sql 2 21 1 22 1 2 3 4 5 6 gnd rx out v9v lv gnd gnd 9 - 6 rx unit ¡ ¡ top view the combination of this page and the next page shows the unit layout in the same con...

  • Page 119

    9 - 6 1 2 3 4 5 6 gnd rx out v9v lv gnd gnd ¡ ¡ bottom view rx unit the combination of this page and the previous page shows the unit layout in the same configuration as the actual p.C. Board..

  • Page 120

    9 - 7 to logic unit j2 to 50pa unit j2 21 j3 22 1 2 j5 to 50pa unit j1 10 m9v m9v tmute2 pcon patemp rvswr fwswr gnd gnd gnd 1 j4 sck sdto da1stb tplstb m9v m9v gnd tunlk w/ns tlv gnd tmute1 gnd fwswr rvswr patemp tmute2 txaf gnd etone gnd i tone w1 9 - 7 tx unit ¡ ¡ top view the combination of this...

  • Page 121

    9 - 8 ¡ ¡ bottom view tx unit the combination of this page and the previous page shows the unit layout in the same configuration as the actual p.C. Board..

  • Page 122

    9 - 9 8 - 9 varister unit ¡ top view ic1 mp2 q2 c85 c19 c18 c125 c126 v arist or-unit to tx unit j5 w1 to tx unit j4 10 j2 m9v m9v tmute2 pcon patemp rvswr fwswr gnd gnd gnd 1 ps 0v vcc1 to reg unit ep7 ep2 ep1 to reg unit ep8 tx ant w13 1 2 3 1 2 3 9 - 8 50pa unit ¡ ¡ top view the combination of th...

  • Page 123

    9 - 10 varister unit ¡ bottom view) ¡ ¡ bottom view 50pa unit the combination of this page and the previous page shows the unit layout in the same configuration as the actual p.C. Board..

  • Page 124

    9 - 11 9 - 11 jack1 unit ¡ top view 9 - 12 jack2 unit ¡ top view to logic unit j5 to logic unit j6 to 50pa unit ep2 to 50pa unit ep1 ps 0v ps 15v battery – ps 15v battery + ps 0v gnd gnd vcc1 vcc1 a5v regtemp m9c l9v m9v l9v a5v psd m9v gnd 1 9 2 10 1 2 w2 w2 w15 w9 w9 w14 1 4 j13 m sw ps 0v j17 j14...

  • Page 125

    9 - 12 jack2 unit ¡ bottom view jack1 unit ¡ bottom view to 50pa unit ep2 to 50pa unit ep1 ps 0v ps 15v battery – ps 15v battery + ps 0v to logic unit j10 af gnd disc out dc gnd af out af gnd e modg e mod2 e mod3 e modg e dtcs e modg rssi 13 1 j3 +e15v ¡ bottom view reg unit the combination of this ...

  • Page 126

    10 - 1 tx unit sck,sdto,da1stb,tplstb i tone txaf patemp tlv tunlk fwswr rvswr ic4d tx- tone fil q1: xp1214 ctdto from cpu ic4: njm2902v splat fil ic4a, b, c ic3: njm2902v limit ic3a sig mix ic3b pre- emp ic2c cp2 mico hpf ic2a, b sw-c ic1c af amp ic2: njm2902v mic mix ic2d ic1d ic1: njm2902v af amp...

  • Page 127

    10 - 2 t5v m9v ic5: m62364fp t6v +6 reg +5 reg m9v ic1: ta78l05f ic4: ta78l06f v9v q1: 2sc3356 d5: 1sv284 d1: 1sv284 d2: 1sv284 d3: 1sv284 d4: 1sv284 q6: 2sc3661 d4: ma2s111 tvco unit q2: 2sc4226 tx unit d1: 1sv308 q2: 2sc4703 q1: 2sc3356 lpf patemp 50pa unit m9v +5v reg +5v q1: 2sk3475 ic1: sc-1323...

  • Page 128

    11 - 1 13 25 12 24 11 23 10 22 9 21 8 20 7 19 6 18 5 17 4 16 3 15 2 14 1 j1 l22 blm21pg221sn1 l2 blm21pg221sn10 l18 blm21pg221sn1 d0 m/s in m/s out coaxial sw tx out busy out l23 blm21pg221sn1 l21 blm21pg221sn1 l19 blm21pg221sn1 l17 blm21pg221sn1 d0 m/si m/so coaxsw txout busyout 1 2 3 4 5 6 7 8 9 1...

  • Page 129

    11 - 2 c41 0.001 l33 0.22 µ h c182 6p c39 0.001 l9 458db-1011 c40 0.001 r15 100 c35 0.001 c34 0.001 r14 100 g1 6 d1 5 d2 4 s2 3 s1 2 g2 1 ic1 gn2011-q w2 l8 458db-1011 c31 0.001 w1 c22 4p c30 4p c153 5p l7 22nh c26 10p c18 0.001 c24 4p c21 4p c152 470p c20 56p c23 5p c27 10p l4 22nh c28 20p l6 22nh ...

  • Page 130

    11 - 3 modc r95 100 tx out v9v v9v v9v gnd gnd mod r1 18 r2 18 r3 18 c4 0.001 c77 0.001 r5 2.2k c2 100p r8 10 r4 4.7k c5 100p l2 27nh r6 68 l1 18nh c3 7p r9 1k r10 220 c8 0.001 d3 1sr154-400 l3 15nh r11 4.7 r57 10 c6 8p c17 0.001 l8 0.1 µ h c15 0.001 c29 0.001 c9 0.001 l15 22nh c90 10p l9 0.1 µ h r1...

  • Page 131

    11 - 4 logic unit c303 0.1 1 2 3 11 4 r32 22k r342 3.9k r340 10 a5v cp2 r313 100k r40 4.7k c7 0.1 c8 0.1 c9 0.1 c11 0.1 c10 0.1 8 9 10 7 6 5 r314 4.7k r26 15k r27 5.6k r28 680 r29 3.9k r30 2.2k r31 270 r312 6.8k r341 3.9k r5 15k r6 180k c382 22p c287 10 c2 0.0022 r57 1m r56 1m r58 1m r59 1m 1 4 5 6 ...

  • Page 132

    11 - 5 logic unit to rx unit j2 to tx unit j3 l4 blm31pg121sn1 1 2 3 4 5 6 j5 l9v vcc2 l1 blm31pg121sn1 l2 blm31pg121sn1 l3 blm31pg121sn1 c249 47 c247 47 c248 10 c234 0.001 c235 0.001 c236 0.001 c237 0.001 c238 0.001 1 2 3 4 5 6 7 8 9 10 j6 c438 0.001 c233 0.001 vcc2 m9v l9v a5v regtemp psd m9c gnd2...

  • Page 133

    11 - 6 c1 0.001 c2 0.001 r13 18 j2 to tx unit j5 to reg unit ep7 to reg unit ep8 txrfin to tx unit j4 l1 6.8nh l13 8.2nh l3 y655ly-02m l4 y655ly-03k=p3 l5 y655ly-01m c8 2p c56 2p c9 2p c90 470p c93 470p c91 0.001 c94 0.001 r3 270 r5 270 r4 18 c66 2p c7 0.001 c10 470p c95 470p c87 6p c14 100p c96 0.0...

  • Page 134

    11 - 7 1 2 3 4 j17 c36 0.001 c4 0.001 r17 22 r3 47k r66 22k m sw c15 0.001 r16 22 d7 fch30a03l c34 22 r42 10 r27 680 r37 10 c51 0.01 c7 2200 f3 atc-20 f1 f2 c6 2200 c5 0.001 1 2 3 4 ep3 1 2 3 4 ep10 ps 15v ps 15v ps 15v ps 15v ps 15v ps 15v ps 15v cp5 1 2 3 4 ep4 ps 0v ps 0v ps 0v ps 0v m sw ps 0v w...

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