Kenwood NEXEDGE NX-700 series Service Manual Download

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This product uses Lead Free solder.

This product complies with the

RoHS directive for the European market

SERVICE MANUAL

VHF DIGITAL TRANSCEIVER

NX-700, NX-700H

This service manual has been revised due to the modification of the Mixer IC.

This service manual applies to products with B2801161 (except B2801431 to B2801544) or

subsequent serial number. Refer to the NX-700/700H service manual (B51-8822-00) for any

information which has not been covered in this service manual.

SUPPLEMENT

No.RQ079

2015/11

B5B-7218-00

KMC-36

(Option)

Summary of Contents for NEXEDGE NX-700 series

Page 1: ...has been revised due to the modification of the Mixer IC This service manual applies to products with B2801161 except B2801431 to B2801544 or subsequent serial number Refer to the NX 700 700H service manual B51 8822 00 for any information which has not been covered in this service manual SUPPLEMENT COPYRIGHT 2015 JVC KENWOOD Corporation No RQ079 2015 11 B5B 7218 00 KMC 36 Option ...

Page 2: ...ngi neering copy reproducing or disclosing on an Internet web site of the firmware is strictly prohibited without prior written consent of JVC KENWOOD Corporation Furthermore any reselling assigning or transferring of the firmware is also strictly prohibited without embedding the firmware in KENWOOD product memories Disclaimer While every precaution has been taken in the preparation of this manual...

Page 3: ...C 0 80 150 220 330 470 750 Tolerance More than 10pF Code C D G J K M X Z P No code 0 25 0 5 2 5 10 20 40 80 100 More than 10μF 10 50 20 20 0 Less than 4 7μF 10 75 Voltage rating 2nd word A B C D E F G H J K V 1st word 0 1 0 1 25 1 6 2 0 2 5 3 15 4 0 5 0 6 3 8 0 1 10 12 5 16 20 25 31 5 40 50 63 80 35 2 100 125 160 200 250 315 400 500 630 800 3 1000 1250 1600 2000 2500 2150 4000 5000 6300 8000 Chip ...

Page 4: ...IP C 470PF K C49 CK73HBB1H471K CHIP C 470PF K C50 CK73HBB1H471K CHIP C 470PF K C51 CK73HBB1H471K CHIP C 470PF K C52 CC73HCH1H390G CHIP C 39PF G C53 CC73HCH1H180G CHIP C 18PF G C54 CK73HXR0J105K CHIP C 1 0UF K C55 CK73HBB1A104K CHIP C 0 1UF K TX RX UINT X57 8890 XX Ref No Address Parts No Description Desti nation C56 CC73HCH1H030B CHIP C 3 0PF B C57 CC73HCH1H020B CHIP C 2 0PF B C61 CC73HCH1H220G CH...

Page 5: ...IP C 1 5PF B K C177 CC73GCH1H0R3B CHIP C 0 3PF B HK C177 CC73GCH1H0R5B CHIP C 0 5PF B K C178 CK73HBB1H471K CHIP C 470PF K Ref No Address Parts No Description Desti nation C179 CM73F2H360J CHIP C 36PF J HK C179 CM73F2H390J CHIP C 39PF J K C182 CM73F2H220J CHIP C 22PF J K C182 CM73F2H270J CHIP C 27PF J HK C183 CK73HBB1H471K CHIP C 470PF K C184 CC73GCH1H030B CHIP C 3 0PF B K C184 CC73GCH1H060B CHIP C...

Page 6: ...C73HCH1H470J CHIP C 47PF J C330 CK73HBB1A104K CHIP C 0 1UF K C331 CK73HBB1A104K CHIP C 0 1UF K Ref No Address Parts No Description Desti nation C332 CK73HBB1A104K CHIP C 0 1UF K C333 CK73HBB1A104K CHIP C 0 1UF K C334 CK73HBB1A104K CHIP C 0 1UF K C335 CC73HCH1H100B CHIP C 10PF B C336 CK73HBB1E103K CHIP C 0 01UF K C337 CC73HCH1H220G CHIP C 22PF G C338 CC73HCH1H220G CHIP C 22PF G C341 CK73HBB1H102K C...

Page 7: ...C513 CK73HBB1A104K CHIP C 0 1UF K C514 CK73HBB1A104K CHIP C 0 1UF K C515 CK73HXR0J105K CHIP C 1 0UF K Ref No Address Parts No Description Desti nation C516 CK73HBB1A104K CHIP C 0 1UF K C517 CK73HBB1A104K CHIP C 0 1UF K C518 CK73GB1E105K CHIP C 1 0UF K C520 CK73HBB1E103K CHIP C 0 01UF K C521 CK73HBB1E103K CHIP C 0 01UF K C522 CK73HBB1E103K CHIP C 0 01UF K C523 CK73HBB1E103K CHIP C 0 01UF K C527 CK7...

Page 8: ...CK73HBB1E103K CHIP C 0 01UF K C701 CK73GB0J335K CHIP C 3 3UF K C702 CK73HXR0J105K CHIP C 1 0UF K K Ref No Address Parts No Description Desti nation C702 CK73HXR0J105K CHIP C 1 0UF K HK C704 CC73HCH1H030B CHIP C 3 0PF B C705 CK73HB1H122K CHIP C 1200PF K C706 CK73HB1H331K CHIP C 330PF K C707 CK73HBB1A104K CHIP C 0 1UF K C708 CK73HB1H122K CHIP C 1200PF K C709 CC73HCH1H221J CHIP C 220PF J C710 CK73HBB...

Page 9: ...102K CHIP C 1000PF K C901 CC73HCH1H101J CHIP C 100PF J C902 CK73HBB1H102K CHIP C 1000PF K C903 CC73HCH1H101J CHIP C 100PF J C904 CC73HCH1H101J CHIP C 100PF J C905 CC73HCH1H101J CHIP C 100PF J C906 CC73HCH1H101J CHIP C 100PF J Ref No Address Parts No Description Desti nation C907 CK73HBB1H102K CHIP C 1000PF K C908 CC73HCH1H101J CHIP C 100PF J C909 CC73HCH1H101J CHIP C 100PF J C910 CC73HCH1H101J CHI...

Page 10: ... DIODE D410 1SS388F SCHOTTKY BARRIER DIODE D411 1SS388F SCHOTTKY BARRIER DIODE D412 1SS388F SCHOTTKY BARRIER DIODE D501 1SS388F SCHOTTKY BARRIER DIODE D502 1SS388F SCHOTTKY BARRIER DIODE D503 1SS416 DIODE D504 1SS416 DIODE Ref No Address Parts No Description Desti nation D506 1SS416 DIODE D507 1SS416 DIODE D508 MC2850 DIODE D509 1SS416 DIODE D510 1SS416 DIODE D511 MC2850 DIODE D512 MC2850 DIODE D7...

Page 11: ...L FIXED INDUCTOR 100NH L31 LB73H0AV 003 CHIP FERRITE BEADS L32 LB73H0AV 003 CHIP FERRITE BEADS L33 LB73H0AV 003 CHIP FERRITE BEADS L34 LB73H0AV 003 CHIP FERRITE BEADS L35 LB73H0AV 003 CHIP FERRITE BEADS L36 LB73H0AV 003 CHIP FERRITE BEADS L40 LB73H0AV 003 CHIP FERRITE BEADS L41 LB73H0AV 003 CHIP FERRITE BEADS L101 L40 8275 92 SMALL FIXED INDUCTOR 82NH L102 L40 6875 92 SMALL FIXED INDUCTOR 68NH L10...

Page 12: ...ITAL TRANSISTOR Q202 LTC044EEBFS8 DIGITAL TRANSISTOR Q203 2SC5636 TRANSISTOR Q204 2SC3356 R23 TRANSISTOR Q205 2SC3356 R23 TRANSISTOR Q208 2SC5636 TRANSISTOR Ref No Address Parts No Description Desti nation Q209 2SC5383 T111 TRANSISTOR Q210 NESG240034 TRANSISTOR Q212 EMD9 TRANSISTOR Q401 LTC014EEBFS8 DIGITAL TRANSISTOR Q402 LTC014EEBFS8 DIGITAL TRANSISTOR Q403 LTC014TEBFS8 DIGITAL TRANSISTOR Q404 M...

Page 13: ... RK73GB2A000J CHIP R 0 0 J 1 10W R91 RK73GB2A000J CHIP R 0 0 J 1 10W Ref No Address Parts No Description Desti nation R92 RK73HB1J000J CHIP R 0 0 J 1 16W R93 RK73HB1J000J CHIP R 0 0 J 1 16W R101 RK73HB1J332J CHIP R 3 3K J 1 16W R102 RK73HB1J271J CHIP R 270 J 1 16W R103 RK73HB1J180J CHIP R 18 J 1 16W R104 RK73HB1J271J CHIP R 270 J 1 16W R105 RK73HB1J333J CHIP R 33K J 1 16W R106 RK73HB1J103J CHIP R ...

Page 14: ...0 J 1 16W R256 RK73HB1J221J CHIP R 220 J 1 16W R263 RK73HB1J101J CHIP R 100 J 1 16W Ref No Address Parts No Description Desti nation R264 RK73HB1J472J CHIP R 4 7K J 1 16W R265 RK73HB1J332J CHIP R 3 3K J 1 16W R266 RK73HB1J103J CHIP R 10K J 1 16W R267 RK73HB1J222J CHIP R 2 2K J 1 16W R268 RK73HB1J271J CHIP R 270 J 1 16W R269 RK73HB1J470J CHIP R 47 J 1 16W R270 RK73HB1J393J CHIP R 39K J 1 16W R272 R...

Page 15: ...0 0 J 1 16W R510 RK73HB1J474J CHIP R 470K J 1 16W R511 RK73HB1J220J CHIP R 22 J 1 16W Ref No Address Parts No Description Desti nation R512 RK73HB1J104J CHIP R 100K J 1 16W R514 RK73HB1J000J CHIP R 0 0 J 1 16W R515 RK73HB1J104J CHIP R 100K J 1 16W R516 RK73HB1J104J CHIP R 100K J 1 16W R520 RK73HB1J473J CHIP R 47K J 1 16W R521 RK73HB1J473J CHIP R 47K J 1 16W R522 RK73HB1J474J CHIP R 470K J 1 16W R5...

Page 16: ...16W R644 RK73GB2A000J CHIP R 0 0 J 1 10W R646 RK73HB1J682J CHIP R 6 8K J 1 16W Ref No Address Parts No Description Desti nation R648 RK73HB1J682J CHIP R 6 8K J 1 16W R650 RK73GB2A000J CHIP R 0 0 J 1 10W R651 RK73FB2B102J CHIP R 1 0K J 1 8W R652 RK73HB1J104J CHIP R 100K J 1 16W R654 RK73GB2A000J CHIP R 0 0 J 1 10W R656 RK73HB1J471J CHIP R 470 J 1 16W R658 RK73GB2A000J CHIP R 0 0 J 1 10W R659 RK73HB...

Page 17: ... 1 16W R776 RK73HB1J334J CHIP R 330K J 1 16W R777 RK73HB1J154J CHIP R 150K J 1 16W R778 RK73HB1J394J CHIP R 390K J 1 16W Ref No Address Parts No Description Desti nation R779 RK73HB1J474J CHIP R 470K J 1 16W R780 RK73HB1J104J CHIP R 100K J 1 16W R781 RK73HB1J104J CHIP R 100K J 1 16W R782 RK73HB1J153J CHIP R 15K J 1 16W R783 RK73HB1J000J CHIP R 0 0 J 1 16W R784 RK73HB1J154J CHIP R 150K J 1 16W R785...

Page 18: ... R908 RK73HB1J471J CHIP R 470 J 1 16W R909 RK73HB1J471J CHIP R 470 J 1 16W R910 RK73HB1J471J CHIP R 470 J 1 16W R911 RK73HB1J471J CHIP R 470 J 1 16W R912 RK73HB1J471J CHIP R 470 J 1 16W R913 RK73HB1J471J CHIP R 470 J 1 16W R914 RK73GB2A471J CHIP R 470 J 1 10W R915 RK73HB1J000J CHIP R 0 0 J 1 16W R918 RK73HB1J000J CHIP R 0 0 J 1 16W R919 RK73HB1J000J CHIP R 0 0 J 1 16W R920 RK73HB1J000J CHIP R 0 0 ...

Page 19: ...store the adjustment value Panel tuning mode PC test mode Write the value as followings Fixed L SENS2 Low 98 L SENS2 Low 114 C SENS2 Center 130 H SENS2 High 170 H SENS2 High 212 Variable Capacitor Tune voltage is adjusted Output voltage ad justment of IC205 3 Sensitivity 1 Adjust BPF adjust 1 Adj item SENS1 Adjust 2 Adj item L SENS1 Õ L SENS1 Õ C SENS1 Õ H SENS1 Õ H SENS1 Adjust Press key to store...

Page 20: ...1 C432 D405 C473 Q709 R124 R125 C135 C139 D102 R426 C477 R433 R444 R638 R639 R641 R642 R646 R648 R652 R659 R660 R661 R662 R663 R664 R665 R666 R667 R668 R669 R670 R671 D410 BATT CHK D411 C527 C534 R575 R576 R579 R582 R585 R586 R588 R590 R593 D511 RS 232C TTL C594 IC515 C595 IC516 4 4 1 5 8 1 5 8 C596 IC517 R603 C623 R413 C616 1 8 9 16 C817 C439 Q501 3 3 1 4 5 1 1 2 19 20 4 6 L512 L903 C543 OPT1 26P...

Page 21: ...3 C24 C25 C27 C28 C434 C437 C1 C2 C9 C447 C450 C452 IC406 C297 IC2 IC3 L34 R12 R18 R21 R23 R25 R26 R27 R28 R30 R35 R36 R2 R37 R3 R6 R9 R47 C190 L219 R83 R84 R88 L223 C12 C15 C16 C17 C26 C29 C33 D3 IC1 3 3 1 4 6 1 4 5 3 1 4 5 IC4 3 1 4 5 R13 R17 R20 Q1 Q2 R33 R34 R38 R5 R85 R89 X1 R233 R212 R215 R216 R218 R222 R223 R224 R225 R226 R227 R228 R231 R236 R239 R245 C212 C221 C222 C224 C229 C230 C232 C235...

Page 22: ...50 R277 C91 C94 R281 C95 C97 L241 C260 C261 C263 D205 C265 R270 C268 C269 C254 C279 R251 L16 R343 L27 L28 L36 CN540 CN543 D101 C359 Q208 R63 L209 R72 R73 R74 R75 R76 R77 R78 L210 L213 C38 C39 C41 C51 R441 R443 C64 C67 R450 C79 C80 C84 C85 C88 D7 D8 C461 D11 D12 D13 D15 L2 L3 L10 L11 L13 L22 L23 L25 L26 L41 Q9 R42 R64 R67 L215 R90 R91 C36 C44 C45 C49 C52 C53 R438 C62 C65 C86 C89 C90 D5 C457 C458 L7...

Page 23: ...702 IC703 3 1 4 6 IC510 IC705 IC706 C786 IC708 IC709 C789 C597 1 30 C598 C599 C790 IC712 C792 C793 IC714 C795 C796 C797 C799 C134 C136 R833 R834 R835 L101 L102 L103 R108 R112 R113 R114 C106 C111 C112 C115 C116 C120 C123 C128 C61 C91 C94 L16 L27 C38 C41 C51 R441 R443 C64 C84 C85 C88 D8 C461 D12 D15 L2 L3 L11 L22 L26 L41 R42 R67 R91 C36 C44 C45 C49 C52 C53 R438 C62 C65 C86 C89 C90 D5 C457 C458 L7 L8...

Page 24: ...2 R913 C909 C910 C911 C912 C913 C914 C916 C917 C918 C919 C920 C921 C923 L901 L902 1 30 C901 C908 D905 Q901 B E C C C C B E C C C C Q902 R901 R914 C907 C922 Ref No Address D905 5G D906 5H Ref No Address Q901 8G Q902 8H D901 9C D902 9D D903 9D Ref No Address D904 9E D907 9E D908 9E D909 9G D910 9G Ref No Address D911 9F D912 9F D913 9H D914 9H NX 700 700 H PC BOARD TX RX UNIT X57 8890 XX B 2 14 K 15...

Page 25: ...25 MEMO ...

Page 26: ...AM IF IF IC IC202 TK10931VTL G 50C 50R 2nd Local 57 6MHz IC203 1 2 TC75W51FK F TC75W51FK F IC203 2 2 D202 SW 33C W_ N SW CF CF201 D201 SW CF CF202 Wide Narrow CF203 SW BPF 50R OPT10SEL EVCS SCK0 SDO0 TXD 0 3 IFC TXC RXC SBC TONESW AMT STSW BEEP TONE PRST OVRB IGN PSW MM MM2 INAMT SCSW RTS0 PBSHIFT INT25P CTS0 RXD 0 3 VAGC PLD MPL BLVL SCK1 SDO1 RFAGC ASSIST DSW T_R W_ N W_ V H_L CV THP RSSI ASQDET...

Page 27: ...L AMP SW ANT 80T 80T B L407CDB ANT LPF APC APC MP H_L IC101 103 TA75W01FUF 80T PWR DET D107 108 109 HSM88AS E IC712 7 8 M62364FP F DAC BPF TV1 LNA 50R Q210 NESG240034 BPF BUFF DAC M62364FP F TV2 150C IC207 1 2 IC712 4 8 1st MIXER 2SC5636 BUFF Q208 IC204 AK1224 XF202 AMP IF Q205 Q204 AMP IF IF IC IC202 TK10931VTL G 50C 50R 50R 50R 2nd Local 57 6MHz IC203 1 2 TC75W51FK F TC75W51FK F IC203 2 2 VAGC R...

Page 28: ...No RQ079 Printed in Japan Communications Systems Business Unit ...

Page 29: ...OUTPUT 2 V 3 INPUT 4 INPUT 5 V C8 1 8 p D 1 8 1 S V 2 7 8 F R119 10k C174 C 3 9 470p C270 4 7 0 p C 1 3 6 100p C 2 6 1 0 0 p C167 C126 4 7 0 p R134 100k 2SC5383 T111 Q1 C94 15p C 9 7 0 1u C 4 2 100p R 4 6 22k C88 0 5p B R 2 9 6 8 k R 1 3 1 0 k C6 0 0 1 u C56 3p B C116 470p L 2 6 3 3 u 86 R 1 4 8 5 6 k R 3 1 1 5 0 R116 2SK1830F Q106 C109 33p C 2 2 1 0 0 p L109 R 6 8 1k R5 1 0 0 D102 K D Z 5 6 V P D...

Page 30: ... 1 8 9 16 C817 C439 Q501 3 3 1 4 5 1 1 2 19 20 4 6 L512 L903 C543 OPT1 26P_RD OPT10 AI GND OPT9 OPT8 OPT7 TXO RXEI OPT6 OPT3 26P_TD OPT4 OPT5 GND AO DTI OPT11 OPT2 RXEO TXI 25 1 26 2 C545 C546 C547 C548 C549 C551 C552 C553 C556 C558 C561 C562 C563 C565 C566 C567 C568 C569 C570 C571 C572 C573 C574 C575 C576 C577 C578 C579 IC512 L509 L510 R534 OPT10 OPT11 AGND 26P_RD 26P_TD TXD2 RXD2 OPT1 OPT3 OPT4 ...

Page 31: ...C61 R256 R252 C73 R263 R264 R250 R277 C91 C94 R281 C95 C97 L241 C260 C261 C263 D205 C265 R270 C268 C269 C254 C279 R251 L16 R343 L27 L28 L36 CN540 CN543 D101 C359 Q208 R63 L209 R72 R73 R74 R75 R76 R77 R78 L210 L213 C38 C39 C41 C51 R441 R443 C64 C67 R450 C79 C80 C84 C85 C88 D7 D8 C461 D11 D12 D13 D15 L2 L3 L10 L11 L13 L22 L23 L25 L26 L41 Q9 R42 R64 R67 L215 R90 R91 C36 C44 C45 C49 C52 C53 R438 C62 C...

Page 32: ...R913 C909 C910 C911 C912 C913 C914 C916 C917 C918 C919 C920 C921 C923 L901 L902 1 30 C901 C908 D905 Q901 B E C C C C B E C C C C Q902 R901 R914 C907 C922 Ref No Address D905 5G D906 5H Ref No Address Q901 8G Q902 8H D901 9C D902 9D D903 9D Ref No Address D904 9E D907 9E D908 9E D909 9G D910 9G Ref No Address D911 9F D912 9F D913 9H D914 9H NX 700 700 H PC BOARD TX RX UNIT X57 8890 XX B 2 14 K 15 H...

Page 33: ... XF202 AMP IF Q205 Q204 AMP IF IF IC IC202 TK10931VTL G 50C 50R 50R 50R 2nd Local 57 6MHz IC203 1 2 TC75W51FK F TC75W51FK F IC203 2 2 VAGC RSSI D202 SW 33C W_ N SW CF CF201 D201 SW CF CF202 Wide Narrow CF203 SW OPT10 50C 50R BPF 50R IC715 LA4425A IC514 TC7WBD125AFK LEVEL SHIFT IC517 SB G_RXD2 CN556 CN557 25P_TXD2 OPT10SEL EVCS SCK0 SDO0 TXD 0 3 IFC TXC RXC SBC TONESW AMT STSW BEEP TONE PRST OVRB I...

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