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Icom IC-PW1 Service Manual

Summary of IC-PW1

  • Page 1

    Hf/50 mhz all band linear amplifier ic -pw1.

  • Page 2

    Introduction this service manual describes the latest service information for the ic-pw1 hf/50 mhz all band linear amplifier at the time of publication. To upgrade quality, all electrical or mechanical parts and inter- nal circuits are subject to change without notice or obligation. Danger high volt...

  • Page 3

    Table of contents section 1 specifications section 2 inside views section 3 circuit description 3-1 linear amplifier circuits ......................................................................................... 3 - 1 3-2 antenna tuner circuits ......................................................

  • Page 4: Section 1

    1 - 1 m general • frequency range : 1.800–1.999 mhz 3.500–3.999 mhz 4.630 mhz 7.000–7.300 mhz 10.100–10.150 mhz 14.000–14.350 mhz 18.068–18.168 mhz 21.000–21.450 mhz 24.890–24.990 mhz * 1 28.000–29.700 mhz * 1 50.000–54.000 mhz * 1 the usa version can only be used the antenna tuner on the 24–28 mhz ...

  • Page 5: Section 2

    2 - 1 section 2 inside views ant-sw unit sw board jack1 unit combinr unit front side splitr unit pa-1 unit pa-2 board pa-3 board pa-4 board filter unit front unit power unit lowpass filter.

  • Page 6

    2 - 2 tuner unit connect board front side main unit c-net board h-net board l-net board det board.

  • Page 7

    3-1 linear amplifier circuits 3-1-1 exciter input switching circuit (splitr unit) the applied signal from the exciter (transceiver) is passed through the exciter select circuit (rl1) then applied to the through/amp switching relay (rl2). The switched signal is passed through the attenuator circuit (...

  • Page 8

    3 - 2 2-step (3-step for the 50 mhz band) chebyschev low-pass filters are adopted, to obtain –60 db or less higher harmon- ic emissions for all hf bands or –70 db or less for the 50 mhz band. The filtered signal is passed through or bypasses the anten- na tuner and is then applied to one of four ant...

  • Page 9

    3 - 3 (2) tuning controls (main unit) a motor driver (ic15) rotates the tuning motors (mf1, mf2) to obtain a low swr. (3) tuning relays (c-net, l-net and h-net boards) according to the operating frequency band and antenna condition, tuning relays select the capacitors and coils. 3-3 protection circu...

  • Page 10

    3 - 4 3-3-4 temperature detector circuit (splitr and main units) the temperature detector circuit detects the temperature of the heatsink for final fets and controls amplifying operation. A thermistor (splitr unit; r16) detects temperature of the heatsink for final fets, and the detected temperature...

  • Page 11

    3 - 5 pin port description number name 4 5 11 12 13 14 15 outputs “3.5” led control signal. High: while “3.5” led is on. Outputs “1.8” led control signal. High: while “1.8” led is on. Outputs “amp/protect” led con- trol signal. High: while “amp/protect” led is on. Outputs “amp/protect” led con- trol...

  • Page 12

    3 - 6 pin port description number name pin port description number name 3-5-6 cpu (main unit; ic26) 7 8 9 10 11 12 16 17 32 33 35 36 37 38 39 40 41 42 for ref vc ic alcm temp usa jpn send i1/2 1.9mf 3.5mf 7mf 10mf 14mf 18mf 24mf 50mf input port for the forward power volt- age from ic2 (pin 1). Input...

  • Page 13: Section 4

    4 - 1 4-1 preparation ‘ ‘ required test equipment ■ connection equipment exciter (transceiver) rf power meter (terminated type) grade and range frequency range : 1.8–60 mhz output power : 50–100 w mode : rtty or fm ic-736 (for tuner basis voltage adjustment) measuring range : 10–1500 w frequency ran...

  • Page 14

    4 - 2 4-2 pa and front unit adjustment idling current must be taken out the pa unit from the main body. Idling current meter maximum point adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 2 3 4 1 2 • [power] switch : off • pre-set r9 and r10 on the pa1 b...

  • Page 15

    R9 r10 • idling current pre-setting • idling current adjustment l6 pa1–pa4 boards connect the lead of l6 to ground l5 connect the lead of l5 to ground 4 - 3 front side (after removed front panel) ammeter ws1 i d alc and i d meter check point r56 r57 meter maximum point adjustment switch board front ...

  • Page 16

    4 - 4 4-3 main unit adjustment the tuner basis voltage adjustment needs the ic-736 as an exciter. Swr detector circuit tuner basis volt- age adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 2 1 2 • input ac voltage : 200 v • pre-set r4, r6, r15 to 90˚ co...

  • Page 17

    4 - 5 c73 filter unit swr detector circuit adjustment main unit of ic-pw1 bottom view of ic-736 j18 connect j5 on the tuner unit of ic-736 to here j5 disconnect j5 from here s5 tuner basis voltage pre-setting cp1 main unit r22 r5 r4 r6 r15 swr detector pre-setting s3 s4 front side main unit front si...

  • Page 18

    4 - 6 main unit adjustment (continued) power set (hf band, ac 200 v,) (ac 100 v) [usa], [eur] only (50 mhz, ac 200 v) p o meter set (hf bands) (50 mhz band) swr meter set v d meter set adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 2 3 1 2 3 1 1 2 1 1 ...

  • Page 19

    4 - 7 ant4 acc-2 alc2 remote alc adj2 send2 alc1 send1 exciter controller acc-1 ant3 ant2 ant1 input1 input2 1 l n 1&2 remote alc adj1 rear panel alc adj1 • power set adjustment for hf band • p o meter set adjustment main unit r4 power set adjustment for hf band (ac 200 v) r6 power set adjustment fo...

  • Page 20

    4 - 8 main unit adjustment (continued) i d alc i d meter adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 2 3 4 1 • connect a dc ammeter to the “hv” line between power supply unit and pa unit. • meter-1 : [i d ] scale. • exciter frequency : 14.1 mhz • mo...

  • Page 21

    4 - 9 front side (after removed front panel) ammeter ws1 i d alc and i d meter check point ammeter front side (after removed front panel) load-resistor ws1 i d alc check point ammeter front side (after removed front panel) ws1 i d alc check point • i d alc and i d meter adjustment • i d alc adjustme...

  • Page 22: Section 5 Parts List

    S.=surface mount ic1 1110001340 s.Ic njm3403am-t1 ic2 1110000960 s.Ic njm4558m-t1 ic3 1110000960 s.Ic njm4558m-t1 ic4 1110000960 s.Ic njm4558m-t1 ic5 1180001070 s.Ic ta7805f (te16l) ic7 1140003610 s.Ic x24c04s8-2.7t6 ic8 1180001260 s.Ic ba9700af-t1 ic9 1110000960 s.Ic njm4558m-t1 ic10 1130003920 s.I...

  • Page 23

    5 - 2 s.=surface mount l36 6200003260 s.Coil nl 322522t-101j l37 6180000990 coil lal 04na 101k l38 6200003950 s.Coil hf50acc 322513-t l39 6200003950 s.Coil hf50acc 322513-t l40 6200003950 s.Coil hf50acc 322513-t l41 6200003950 s.Coil hf50acc 322513-t l42 6200003950 s.Coil hf50acc 322513-t l43 620000...

  • Page 24

    S.=surface mount r110 7030003560 s.Resistor erj3geyj 103 v (10 k Ω ) r111 7030003560 s.Resistor erj3geyj 103 v (10 k Ω ) r112 7030003640 s.Resistor erj3geyj 473 v (47 k Ω ) r113 7030003680 s.Resistor erj3geyj 104 v (100 k Ω ) r114 7030003440 s.Resistor erj3geyj 102 v (1 k Ω ) r115 7030003720 s.Resis...

  • Page 25

    5 - 4 s.=surface mount c61 4030011600 s.Ceramic c1608 jb 1c 104kt-n c64 4030011600 s.Ceramic c1608 jb 1c 104kt-n c65 4030011600 s.Ceramic c1608 jb 1c 104kt-n c66 4510005600 s.Electrolytic ecev1cs100sr c67 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c68 4030011600 s.Ceramic c1608 jb 1c 104kt-n c69 4030...

  • Page 26

    S.=surface mount l21 6180000990 coil lal 04na 101k l22 6140001000 coil lr-123 l23 6180000990 coil lal 04na 101k l27 6110003440 coil la-538 l28 6110003460 coil la-537 l29 6110003460 coil la-537 l30 6180001220 coil lal 04na 100k l31 6110002260 coil la-403 l32 6180000990 coil lal 04na 101k l33 69100006...

  • Page 27

    5 - 6 s.=surface mount ws1 8600035753 m.Other ex1900 p01*j01fi-3 ws2 8970022640 m.Other ex1900 1.5d coaxial (1)/fi ws3 8970022650 m.Other ex1900 teflon coaxial (1)/fi ws5 8970023250 m.Other ex1900 j lead set (1)/fi ep1 6910011330 terminal ot-009 m3 ep2 6910011330 terminal ot-009 m3 ep3 6910011330 te...

  • Page 28

    S.=surface mount ep1 0910048784 pcb b 4890d ep2 9034901004 tube d=1.0, l=10 mm ep3 9050409902 tube d=1.0, l=15 mm ep4 9019000830 tube plastic tube d=6.0, l=750 mm ep5 9001602001 tube irrax 0.7 (d) l=10 mm q1 1560001000 fet mrf150mp (srfj150mp) pair q2 1560001000 fet mrf150mp (srfj150mp) pair q3 1560...

  • Page 29

    5 - 8 s.=surface mount r10 7310003180 trimmer evn-2aca00 b24 (203) r11 7070000900 resistor erx3sj 1r8 (1.8 Ω ) r12 7070000900 resistor erx3sj 1r8 (1.8 Ω ) r15 7070000960 resistor erg3sj 561 (560 Ω ) r16 7080001300 resistor erg3sj 270 (27 Ω ) r17 7070000940 resistor erg3sj 331 (330 Ω ) r18 7070000890...

  • Page 30

    S.=surface mount d1 1750000270 s.Diode 1ss301 (te85r) d2 1750000270 s.Diode 1ss301 (te85r) d3 1750000270 s.Diode 1ss301 (te85r) d4 1750000270 s.Diode 1ss301 (te85r) l1 6110001730 coil la-262 l2 6140003040 coil lr-322b l3 6140002590 coil lr-296 l4 6140000720 coil lr-95 l5 6180000900 coil lal 03na 101...

  • Page 31

    5 - 10 s.=surface mount r14 7030009330 resistor erj1wyj300h r15 7030003560 s.Resistor erj3geyj 103 v (10 k Ω ) r16 7030003800 s.Resistor erj3geyj 105 v (1 m Ω ) r17 7030003560 s.Resistor erj3geyj 103 v (10 k Ω ) r18 7030003560 s.Resistor erj3geyj 103 v (10 k Ω ) r19 7030003440 s.Resistor erj3geyj 10...

  • Page 32

    S.=surface mount l9 6180000990 coil lal 04na 101k l10 6180000990 coil lal 04na 101k l11 6110003410 coil la-535 l12 6110003400 coil la-534 l13 6110003510 coil la-544 l14 6110003380 coil la-532 l15 6110003370 coil la-531 c1 4040000260 barrier uze 08x 104m c2 4040000260 barrier uze 08x 104m c3 40400002...

  • Page 33

    5 - 12 s.=surface mount l1 6200003260 s.Coil nl 322522t-101j l2 6200003260 s.Coil nl 322522t-101j l3 6200003260 s.Coil nl 322522t-101j l4 6200003260 s.Coil nl 322522t-101j l5 6200003260 s.Coil nl 322522t-101j l6 6200003260 s.Coil nl 322522t-101j r1 7310003820 trimmer evn-d2aa03 b14 r2 7310003820 tri...

  • Page 34

    S.=surface mount d1 1750000270 s.Diode 1ss301 (te85r) d2 1750000270 s.Diode 1ss301 (te85r) d3 1750000290 s.Diode 1ss300 (te85r) d4 1750000290 s.Diode 1ss300 (te85r) d5 1730002320 s.Zener ma8051-m (tx) d6 1750000270 s.Diode 1ss301 (te85r) d7 1750000290 s.Diode 1ss300 (te85r) d8 1750000270 s.Diode 1ss...

  • Page 35: Section 6

    Screw abbreviations: ph: pan head bt: self-tapping zk: black 6 - 1 section 6 mechanical parts and disassembly [chassis parts] [chassis parts] 6-1 frame disassembly j1 6510000410 connector mr-ds-e 02 1 j2 6510000410 connector mr-ds-e 02 1 j3 6510009290 connector mr-dse-02(ag) 1 j4 6510009290 connecto...

  • Page 36

    6 - 2 [jack-1 unit] j1 6450001590 connector tcs5073-17-4151 1 j3 6450001130 connector jpj2042-01-110 1 j4 6450000140 connector hsj0807-01-010 1 j5 6450001590 connector tcs5073-17-4151 1 j7 6450001130 connector jpj2042-01-110 1 j8 6450000140 connector hsj0807-01-010 1 j10 6510003450 connector b09b-eh...

  • Page 37

    6 - 3 mp1 mp4 mp12 me1 me2 mp20 mp20 mp12 mp8 mp8 mp5 mp8 mp12 mp12 mp12 mp3 mp6 mp14 mp14 ep2 ep1 ds2 ws1 ds1 mp11 mp17 mp17 mp17 mp11 mp18 mp18 mp16 mp15 mp15 mp19 ws1 mp16 mp16 mp19 mp2 mp13 mp13 sw board front unit p2 (co) mp1 (co) ep2 (co) ep1 (co) mp2 (co) ws1 (ch) ws2 (co) mp79 (ch) mp78 (ch)...

  • Page 38

    6 - 4 [front unit] ds1 5080000380 lamp hrs-4160a-h9 l150 1 ds2 5080000380 lamp hrs-4160a-h9 l150 1 ep1 6910011040 tube a-4210-g20 1 ep2 6910011040 tube a-4210-g20 1 me1 5510000470 meter me-39 ex1900 1 me2 5510000460 meter me-38 1 mp1 8210014260 1900 control panel 1 mp2 8110006101 1900 control cover-...

  • Page 39

    6 - 5 [pa unit] w1 8900006990 cable opc-683 (n:10 l:110) 1 w2 8900007360 cable opc-711 (n:10 l:250) 1 w3 8900006990 cable opc-683 (n:10 l:110) 1 w4 8900007360 cable opc-711 (n:10 l:250) 1 mf1 2710000620 fan pudc12z4-992 1 mf2 2710000620 fan pudc12z4-992 1 mf3 2710000620 fan pudc12z4-992 1 mp1 893004...

  • Page 40

    6 - 6 c d f f e a b a e h h i i b c d g g mp1 mp4 mp13 mp10 mp10 w1 mp4 mp16 mp12 mp5 mp4 mp5 mp106 (ch) w15 (ch) ws3 (ch) j1 (ch) j2 (ch) ws1 mp4 mp4 mp6 mp6 mp3 mp21 w2 w3 w4 mp17 w16 (ch) w18 (ch) mp22 mp113 (ch) mp4 mp19 mp4 mp18 mp14 mp5 mp4 mp4 mp4 mp8 mp8 mp8 mp2 mp7 mp11 mp11 mf3 mp11 mp7 mp...

  • Page 41

    C1 4620000130 uv55 150pf 1 c2 4620000130 uv55 150pf 1 ep7 9019001020 enpire tube 1 mf1 2710000460 stepping motor mp28ga 1 mf2 2710000460 stepping motor mp28ga 1 mf3 2710000630 fan fba08t12hc (w/beadscore) 1 mp1 8510011322 1900 a-tun case-2 1 mp2 8510011351 1900 a-tun cover-1 1 mp3 8930044041 1900 a-...

  • Page 42

    W1 8900007580 cable opc-730 1 w2 8900002260 cable opc-104 b 1 w3 8900002270 cable opc-125 b 1 w4 8900007290 cable opc-718 1 ep1 6510020330 terminal 5.5-5 pin 1 ep2 6910010480 dl-7c or-31-15-19h [usa], [eur] 10 mp1 8310039530 1900 front plate 1 mp3 8930043080 rubber (hole bush) 2 mp4 8810004430 screw...

  • Page 43: Section Parts

    Section parts list section 7 semi-conductor information 7-1 transistor and fet’s name symbol inside view 2sb1119s bb 2sb1123s bf 2sb1132r bar b e c c 2sk302-y ty d g s 2sa1588-gr sg 2sa1586-y sy c b e dtc114ee 24 dtc144ee 26 b e c 2sk515-t1b x33 g s d 2sc2714-o qo 2sc4116-gr gr b e c 7-2 diodes name...

  • Page 44: Section 8

    8 - 1 section 8 board layouts ep2 ep1 to ant1 to ant2 tout to det board gnd to ant3 to main unit j9 j3 c14 j4 gnd s1 s2 s3 s4 gnd s1 s2 s3 s4 j5 p1 ep5 j1 1 2 1 2 1 2 1 2 j6 chassis unit to ant4 1 2 3 4 5 c15 c16 8-1 ant- sw unit ep1 ep2 1 2 3 4 5 6 1 6 p1 j1 1 1 2 3 4 5 6 7 7 p2 co1b co2b co3b vhco...

  • Page 45

    8 - 2 8-3 l-net board ep1 to h-net board ep2 to main unit j22 1 2 3 p1 ep3 7m 35m gnd 7m 35m gnd lhw 8-4 h-net board 20mm ep2 ep1 j1 p1 1 1 2 3 4 5 6 7 8 to main unit j21 to c-net board lhw 50m 28m 21m 14m 10m gnd nc nc to l-net board ep1.

  • Page 46

    8 - 3 8-5 connect board j3 rw rx ry rz 12v rw rx ry rz 12v mf2 motor stepper rz ry rx rw 12v pz py px pw pz px 12v py pw 12v py pw pz px 12v m 10 2 9 1 to main unit j14 1 5 j2 pw px py pz 12v pw px py pz 12v mf1 motor stepper m 1 5 j1.

  • Page 47

    8 - 4 8-6 combinr unit w1, w2 w5, w6 w3, w4 mp5 mp3 j1 j2 j3 j4 mp4 bal – gnd p1 j8 to main unit j17 1 3 pao1 pao2 pao4 pao3 gnd fin ep1 ep1 to filter unit to pa1 board j2 ep2 ep2 j8 to pa2 board j2 to pa4 board j2 to pa3 board j2.

  • Page 48

    8 - 5 8-7 splitr unit ep4 to chassis in2 to chassis in1 1 1 1 3 9 6 p1 j11 j1 j8 j2 to filter unit j2 j4 j5 j6 j7 j9 j3 gnd temp 5v in driv gnd 2 10 1 9 j11 to pa1 board j3 to main unit j10 pa3-j1 pa4-j1 pa1-j1 pa2-j1 hv gnd gnd paf t8v gnd nc t8v paf gnd paf t13 f gnd temp 5v in driv f gnd paf t13 ...

  • Page 49

    8 - 6 8-8 pa unit j4 j5 j5 1 3 m gnd j1 j3 pa1 board j4 pa1 board j2 pa2 board j2 pa3 board j2 pa4 board j2 ep1 ep2 to pa-2 board j2 to px-1981 (option) to combinr unit to px-1981 (option) ep2 j1 j2 j4 j3 ep1 (each pa bords) (each pa bords) (each pa bords) (each pa bords) 10 2 9 1 to pa4 board j3 gn...

  • Page 50

    8 - 7 8-9 det board to main unit j6 to ant-sw unit to c-net board –13r 5v pv rv gnd p1 j1 1 5 ep2 ep1 cp3 tout cout gnd to filter unit to c-net board ep3 ep4 cp1 cp2 tin gnd cin gnd cp1 cp2 cp5 cp6 cp7 cp8 cp3 cp4 cp9 cp11 cp10

  • Page 51

    8 - 8 8-10 jack-1 unit alc adj.1 remote send1 alc1 acc1 remote send2 alc2 acc2 alc adj.2 1 4 5 6 3 2 7 1 4 5 6 3 2 7 1 1 & 2 exciter 1 10 18 9 1 gnd gnd fanv alc1 send2 13_2 1 5 10 10 ci5 alc2 send1 13_1 j9 j12 to main unit j2 1 2 fanv gnd mf3 tuner unit.

  • Page 52

    The combination of this page and the next page shows the unit layout in the same configuration as the actual p.C. Board. 8 - 9 8-11 sw board ¡ ¡ top view s9 s4 s6 s3 s2 s1 s5 s8 s7 input 1 2 ant p o i d temp meter-1 v d swr alc meter-2 1 2 3 4 up 50 28 24 21 18 14 10 7 3.5 1.8 auto down amp/protect ...

  • Page 53

    To main unit j3 front unit me1 cp5 cp6 clk j1 j1 1 9 p4 1 9 1 9 data datk str h12 s12 gnd data2 str2 clk p3 data datk str h12 s12 gnd data2 str2 cp2 ds-2 gnd cp1 ds-1 gnd ds1 lamp ds2 lamp cp3 cp4 me2 ¡ ¡ bottom view the combination of this page and the previous page shows the unit layout in the sam...

  • Page 54

    8 - 11 w12 mp6 ep7 ep6 1 13 p1 j1 to main unit j8 to combinr unit to spliter unit j8 fin 50m 24m 18m 10m 10m 14m 14m 7m 7m 35m 35m 19m 19m gnd 50m 24m 18m gnd gnd tru j2 t13 ep1 ep2 for ref gnd t13 for ref gnd ep3 ep4 8-12 filter unit ¡ ¡ top view the combination of this page and the next page shows...

  • Page 55

    8 - 12 to tuner unit (det board) tin gnd ep8 ep7 ¡ ¡ bottom view 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

    The combination of this page and the next page shows the unit layout in the same configuration as the actual p.C. Board. 8 - 13 ep7 j8 j17 ep6 1 1 1 3 1 cp44 cp43 cp42 cp41 cp45 cp46 cp47 10 13 1 1 5 5 1 4 13 j9 p1 to filter unit j1 to filter unit 10m 14m 7m 35m 19m 50m 24m 18m gnd 10m 14m 7m 35m 19...

  • Page 57

    8 - 14 ¡ ¡ bottom view the combination of this page and the previous page shows the unit layout in the same configuration as the actual p.C. Board..

  • Page 58

    9 - 1 section 9 block diagram (px-1981) chassis unit det board filter unit splitr unit freq det 1 2 1 2 input1 input2 pa1 pa unit q1: mrf150 hv lpf vswr det d15, d16: mbd701 ic5: ta79l05 –5v reg –13v for coupler coupler impedance det phase det d11, d12: md701 d3,d4, d5,d6: ma77 ic2: mc10125l ic4: ta...

  • Page 59

    10 - 1 section 10 voltage diagram p3 p1 pa i 2 j8 tru j4 pa i 2 j1 1 2 3 4 5 6 7 8 9 10 j4 tuner unit ant1 j6 ant1 gnd ant2 ant4 j3 j5 j4 ant2 ant4 gnd gnd gnd mf3 tout gnd ep1 ep2 ep5 ep6 w9,w10 –13r 5v pv rv gnd 1 2 3 4 5 j1 cin cout gnd cp11 cp2 cp3 cp9 w7 w6 det board tin gnd tout gnd ep7 ep8 cp...

  • Page 60

    J1 j3 hv gnd gnd t8v paf t8v paf gnd gnd nc 1 2 3 4 5 6 7 8 9 10 pao1 pao2 pao3 pao4 bal gnd p1 w8 w7 ep2 j1 r1 100 w1 w1 w2 l1 lr-119 r6 50 c3 68 p c6 22 p l3 lr-211 l5 lr-365 ep1 r8 15 r7 4.7 d3 1s953 c5 22 p c4 68 p r9 10 r4 10 j2 j3 w3 w5 l2 lr-119 r3 100 d1 1s953 c2 0.047 r11 100 c1 0.047 d2 1s...

  • Page 61

    10 - 3 ep3 ep4 filter unit to main unit j8 l23 100 µ h p3 tru to splitr unit j8 rl15 aw3033 c75 0.0047 d17 1ss53 j2 c104 0.0047 rl16 vb-12tbu-ul3 c91 12 p c129 12 p l27 la-538 c96 12 p c130 12 p c128 12 p c90 12 p c95 15 p l28 la-537 c88 22 p c118 27 p c119 27 p c120 12 p c89 12 p c123 12 p c86 12 p...

  • Page 62

    P1 p1 r18 15 c16 0.68 c18 0.68 c19 0.68 out j6 l4 lr-95 l3 lr-296 c51 0.68 r6 15 q1a mrf150 mp r2 2.2 k c4 0.68 r7 56 l2 lr-322b r20 33 r16 27 l1 la-262 j1 r15 560 c1 56 p r17 330 r21 820 c3 0.68 r8 56 r5 15 q1b mrf150 mp d3 1ss301 c56 0.0047 c11 0.1 c52 0.68 r4 2.2 k in w1 c17 0.68 j2 r12 3.9 r11 3...

  • Page 63

    Clr pr q to main unit j3 i g o aml r4 470 r2 150 q1 dtc114ee r1 150 r3 150 ds1 cl-200yg ds2 cl-200yg iml vml tml pml r5 150 r6 150 r7 150 r25 150 ds8 sec2462c sml tunl pal r8 120 str str data data prol c2 0.1 str clk c1 0.1 d1 1ss301 d2 1ss301 d6 1ss301 r39 47 k r40 47 k r41 47 k r43 47 k r60 47 k r...

  • Page 64

    D16 ma77 d17 ma77 r115 220 k q103 2sc4116 r116 100 k c88 0.22 c87 0.1 ic13 s-8054alb-lm o g r97–r100: 47 k r117 22 k a0 1 a1 2 a2 3 vss 4 sda 5 scl 6 wc 7 vcc 8 ic17 x24c01as-3.0 c106 0.1 1 2 3 4 5 ic27 tc4s81f sda scl ase [usa] c 1 1 2 2 3 4 4 8 5 s4 s-1010a r53 47 k r54 47 k r55 47 k r56 47 k r57 ...

  • Page 65

    Q103 2sc4116 tuner unit (c-net board j1) tuner unit (c-net board j2) l62 l63 l64 l65 l66 l67 l60–l67 hf50acc322513 ci3b vhci ci2b ci1b co1b in1 1 in2 2 in3 3 in4 4 in5 5 in6 6 in7 7 in8 8 vs 9 o1 18 o2 17 o3 16 o4 15 o5 14 o6 13 o7 12 o8 11 gnd 10 ic14 td62783af ci2 ci1 co1 co2 ci3 d72 1ss301 co3 l6...

  • Page 66

    D16 ma77 d17 ma77 r115 220 k q103 2sc4116 r116 100 k c88 0.22 c87 0.1 ic13 s-8054alb-lm o g r97–r100: 47 k tuner unit (c-net board j1) tuner unit (c-net board j2) l62 l63 l64 l65 l66 l67 l60–l67 hf50acc322513 ci3b vhci ci2b ci1b co1b in1 1 in2 2 in3 3 in4 4 in5 5 in6 6 in7 7 in8 8 vs 9 o1 18 o2 17 o...

  • Page 67

    L1 100 µ h d1 1ss53 c1 0.0047 rl1 vs12tbu-vd3 tu2 co1b co2b co3b vhco tu1 j1 j2 ep1 ep2 1 2 3 4 5 6 p1 1 2 3 4 5 6 7 p2 co1b co2b co3b vhco tu1 gnd to main unit j19 to main unit j20 tu2 vhci ci3b ci2b ci1b gnd gnd ci3b ci2b ci1b vhci tu2 ci2b ci3b tu1 ci1b l2 100 µ h d2 1ss53 c2 0.0047 rl2 vs12tbu-v...

  • Page 68

    53 l1 100 µ h c11 0.0047 c1 0.1 53 l2 100 µ h c12 0.0047 c2 0.1 50m 53 l3 100 µ h l4 100 µ h c3 0.1 c13 0.0047 53 53 c14 0.0047 c15 0.0047 l5 100 µ h c4 0.1 c5 0.1 28m 21m 53 l6 100 µ h c16 0.0047 c6 0.1 c17 0.0047 l7 100 µ h 53 c7 0.1 14m 21m 28m 50m 10m j1 to main unit j21 1 2 3 4 5 6 7 8 p1 50m e...

  • Page 69

    L1 100 µ h d1 1ss53 c1 0.0047 rl1 vs12tbu-vd3 tu2 co1b co2b co3b vhco tu1 j1 j2 ep1 ep2 1 2 3 4 5 6 p1 1 2 3 4 5 6 7 p2 co1b co2b co3b vhco tu1 gnd to main unit j19 to main unit j20 tu2 vhci ci3b ci2b ci1b gnd gnd ci3b ci2b ci1b vhci tu2 ci2b ci3b tu1 ci1b l2 100 µ h d2 1ss53 c2 0.0047 rl2 vs12tbu-v...

  • Page 70

    Introduction this service manual describes the latest service information for the ic-pw1 hf/50 mhz all band linear amplifier at the time of publication. To upgrade quality, all electrical or mechanical parts and inter- nal circuits are subject to change without notice or obligation. Danger high volt...

  • Page 71

    A-5449mz-s- 1 1999 icom inc. 6-9-16, kamihigashi, hirano-ku, osaka 547-0002, japan count on us! Hf/50 mhz all band linear amplifier ic -pw1.