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Icom IC-FR4000 Series Service Manual

Summary of IC-FR4000 Series

  • Page 1

    Uhf fm repeater ic-fr4000

  • Page 2

    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 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

    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 5: 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 6

    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 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-732) pll ic* (ic2: mb15a02pfv1) tx vco circuit mixer (ic6: njm2107f) d/a converter* (ic5: m62364fp) rf amplifier (q1: 2sc5337) pll ic* (ic4:...

  • 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, l1–l3, l32, c2, c5–c8, c10–c12, c14, c205, c206, c210,) which is controlled by the d/a converter...

  • 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 • 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 11

    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 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 (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 13

    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 14

    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 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 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 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

    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 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 • 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 20

    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 21

    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 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. : 465.2750 mhz • connect the rf power meter to the tx antenna connector. • transmitti...

  • Page 23: 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 24

    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 25

    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 26

    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 27

    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 28

    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 29

    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 30

    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 31

    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 32

    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 33

    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 34

    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 35

    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 36

    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 37

    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 38

    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 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

    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 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 m...

  • 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 8930056630 2368 module holder y602 1 mp2 8930056640 2368 mod...

  • Page 44: Section 8

    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 45: Lcd

    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 46

    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 47

    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 48

    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 49

    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 50

    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 51

    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 52

    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 53

    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 54

    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 55

    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 56

    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 57: Unit

    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 58: Tx Unit

    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 59: Jack2 Unit

    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 60: Rx Unit

    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 61: Tx Unit

    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 62: Logic Unit

    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 63: Logic Unit

    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 64: Varistor

    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 65: Chassis Unit

    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...

  • Page 67

    1-1-32, kamiminami, hirano-ku, osaka 547-0003, japan s-13913mz-c1 © 2003 icom inc..

  • Page 68

    ©2008 icom america inc. Page 1 icom america, inc. 2380 116 th ave ne bellevue, wa 98004 425.540.6087 fr4000 pa replacement 1. Remove old pa board from fr4000. The new pa kit part number is 98415323. 2. See the following image. Verify there are 2 little shields, one big shield panel, one brick final,...

  • Page 69

    ©2008 icom america inc. Page 2 icom america, inc. 2380 116 th ave ne bellevue, wa 98004 425.540.6087 5. Put a layer of white transistor grease on the bottom shield so it will contact the final brick. Note: there is now grease on both sides of the shield. 6. See the following image. Set the final “br...