Home

SERVICE MANUAL

1.
2.
3.
4.
5.
6. ne z 769 gt on C773 5 C361 zi C360 C774 9 E TH302 i 9 775 313 gt D719 C357 9 9 TH303 e
7. D J701 C958 D SUB C962 9700 752 34 C956 00 A a 1 34 s E T C949 729 C727 C725 723 C721 C720 s E gt ON ed D241 D709 5706 615 BLES mec C937 oo C954 El C934 5 mm Er 3 9 5115118 gj 19718 cg 11111 AZ Z Z Z 919 D R946 942 O Q 2 O Q 1307 D r C892 C EN Ls 8707 R940 2 L308 C3
8. A ADDRESS TABLE OF BOARD PARTS A lt C 0 Each address may have an address error by interval POWER 1 z L S cp D23 e v dum VEO TE V B B B x B B B 54 367 B B 4 J79 0249 29 B B B B B B A Em B B B B B B B E E B B B J1 A B S A B C 3 E B B B B 1 2 3 4 5 E E B B B B Foil side view J79 0249 29 2 2 0 O O Qu O O s OL SII O O 9 O O O R42 ONO NO 2 O Q9 Q6 s CN1 n uti Bs See s 5 OO pg M O _ O S DERE O 2 Sc OO O e SO R40 O O 5 2 O O Bear 6 A 46 oi S 2111 GSE R36 O SEC 2 6
9. L12 92 C69 R58 D12 C80 L31 14 R 1 71V c95 0 2 ss a t lh d fu ENT 4T 03 R70 989 STS STS 270n 47 1SV325F 5 lt 20 a UP LEY 50 gle ot SS gt ne DRIVE T 8 86V San E Ero T Q300 92 9 470 M 6 9 5 fe gt N 88 S TX RX BAND SWITCH R 0V RD00HVS1 T113 Z GB 56 C313 02 15 eal 5 BUFFER AMP a T 3 36V T 2 32V n T ES As Sse 26320 C301 1300 1301 L302 92 08 22 270 1 300 js 50 Q12 742V 3 Mp 82n 47n 10n ror B R51450k 4 5 0 738V b 2 31 28C5108 Y F C108 R 3 37V8 5 a Sla HHW TOV lt gle 1 e t C101 1 14 MTO 2502636 rie SSM3J15FS JE Di T o E 2 12 R 0V 4p C103 x 52 4 ola olg io 1 10 192 0163 05 RIO T 7 64V 2 555 2p 9 x Sls 18 58 PLL_LE 3 Ein AMP 97 E Qo 7 56 eI HS
10. D5 D6 D7 D8 D309 D310 D501 L7 18 19 110 111 112 114 116 119 120 121 122 123 124 125 126 127 129 130 131 132 134 136 138 140 141 1300 1301 1302 1303 1304 1305 1310 1312 1313 1314 1316 1317 1318 1503 1504 1506 1507 0 11 1SV325F 1SV325F RKP351KW 1P2RKP351KW 1Pq 1SV305F 6 8n 22n 270n 270 220 220 220 220 220 220 22 22 270 270 33n 33n 8 2n 4 7n 10n 15n 12n 12n L34 1039 05L 34 1039 05 34 1113 05134 1113 05 18n 18n 270n 680n 6 8n 6 8n 0 22 1SV325F 1SV325F RKP351KW 1P2RKP351KW 1Pq 1 305 6 8n 22n 270 270 220 i 220n 220n 220n 220n 220 22 22 270 270 33n 33n 8 2n 4 10 15 12 121 L34 1039 05 34 1039 05 L34 1113 05 L34 1113 05 18n 18n 270n 680n 6 8n 6 8n L508 L509 L510 L512 L513 L514 L516 L517 L709 R6 R16 R26 R27 R41 R47 R51 R53 R59 R61 R63 R67 R68 R72 R75 R76 R79 R310 R311 R312 R318 R324 R327 R335 R336 R340 R344 R358 R359 R360 R504 R508 R536 R545 R546 R548 R550 R554 R563 R564 R565 0 11 6 8n 270n 27 6 8 6 8 18 18 82 180k 390k 1 5k 18k 2 2M 150k 22 47k 39k 560 68 100 120k 68k 1k 22 22 47 220k 33k 22k 56 82 200 470 10 470 560k 1 5k 390k 1 5k 1k 270k 390 470k 1M 0 22 6 8n 270n 27n 6 8n 6 8n 18 18 82 180k 390k 1 5k 18k 2 2M 150k 22 47k 39k 560 68 100 120k 68k 1k 22 22 47 220k 33k 22k 56 82 200 470 10 470 560k 1 5k 390k 1 5k 1k 270k 390 470k 1M
11. SECTION 3 DISASSEMBLY 3 1 Disassembly Procedure 4 To remove the speaker holder first remove the two screws 1 When removing the cabinet first remove the two screws from the display PCB using a phillips screwdriver from the right and left with a phillips screwdriver Then insert a flat head screwdriver under the tabs of the Then hook your finger on the edge of the cabinet and pull speaker holder and tilt it in the direction shown by the ar it out until it is over the chassis protrusion Remove the cab inet by prying the cabinet shown below Remove the speaker from the front panel by turning it in the direction indicated together with the speaker holder and display PCB P 24 2 holder 2 To remove the panel assembly first turn the transceiver 4 upside down Then insert flat head screwdriver into the holes of the l chassis and tilt it in the direction as shown by the arrow g 1 Display 5 When removing the PCB first remove top ing Then remove the solder of the antenna hot and posi tive terminal of the DC cord Remove the 15 screws from the TX RX PCB power mod ule and audio amp Panel assembly Positive terminal of the DC cord Antenna hot pin 3 Disconnect the flat cable from connector of the panel as sembly 011 lt 001
12. ee i ae ea es I I H I POWER i Q2 i bere TEN a11 012 0300 IC300 TX D305 306 LA07CDB 7 25 5108 2SC5108 Y F RDOOHVS1 T113 44521101 450 520MHz 309 0310 i IC2 COUPPLER TX RX DRIVE POWER KMO11 1541 ps 17 POWER ANT PILLE Q9 DET 5 LOOP KRX102U D16 17 1 PLL DATA PLL Filter RN142S PDN2 IC s is RX 1st LOCAL Power KMO2 zl 5MS D307 308 1 x 33C 400 05 470 05MHz RECTIFIER RB706F 40 I C gt 1 PLL_UL 5 9 RIPPLE 9CL 010 0500 16 8 4 KMO3 Hoe KTC4075E Y GR e 2 2 num CONTROL BD754 i 50 4MHz 2nd Local H pe in 542 SSM3J05FU F n 0501 XF500 Q503 Q506 HA17358BFEL E Kia aste ASSIST MOD2 KTC4075E Y GR L71 0684 05 3SK318 3SK318 TCXO 25 Filter MCF 1 33 5 SQIN IF 49 95MHz BPF BPF BEF 1 DEMODULATOR RSSI I LED ATSTSW 33M MUMESI Q4 3 IR RF BPF RF BPF IC503 DISPLAY 2SK1824 A 33MS D502 503 TUNE TUNE D504 505 HA17358BFEL E 1SV305F 1SV305F 1 IC500 DC ie I 709 1 NJM2100V ZB 19 2MHz Q714 I M D MOD ae 308 IC706 SSM3KOSFU 20 58 se MIC MIC MOD BASEBAND NJM2100V ZB s 25 3928 Ic 719
13. am Be m P 9 A R867 C789 e RE T oer DOO fy ou ce eels E Q Hoos 8 D C561 C553 54 1 09 5 K R747 za EAL 4 a mL an in 3228 Res a 2 R779 S Cum Cu ca 35 3 5 Esz 98526 C528 C517 C512 39 3D OL R008 28 C543 C541 L502 Reza R524 500 18 E r Eje U ram 8 56 C539 9 07 L705 2 a e N NI R523 C542 gt 0700 LE ra E e C737 O Soso 80801 8 5 C571 5 6538 L J 5 x as 2 5 R734 2 E R984 a S aod E rJ 8 T C537 d my r r D500 915 744 R743 R740 Ez a gt 2 8 505 io 8558 2 gt 6529 Lis Q502 C547 BAG R3 C755 R780 5 5 5 R M EF R546 MIC IC706 W o 3 n nre C544 R543 IC715 C525 R530 519 O x m 0 R508 011 lt 001 gt 2 2 2 2 011 lt 001 gt ADDRESS TABLE OF BOARD PARTS A 1C Each address may have an address error by one interval Side REF NO LOCATION REF NO LOCATION LOCATION REF NO LOCATION REF NO LOCATION REF NO LOCATION REF NO LOCATION REF NO LOCATION REF NO LOCATION REF NO LOCATION RE
14. 2 Refer to 2 RXD of 2 3 7 Changing Serial Port Level 1 8 No RAO11 Rev 001 2 3 6 Extended Function COM Port 0 and COM Port 1 Location of COM Port 0 and COM Port 1 of the transceiver is shown below COM Port 1 COM Port 0 You must configure the transceiver COM Port 0 and COM Port 1 using the KPG 175D When you set as Data the Function port 1 and 2 will be auto matically fixed as Input ports The reason for this is because function port 1 TXD and 2 RXD share the same circuit path of TXD and RXD line 2 3 7 Changing Serial Port Level 2 3 7 1 Change FNC1 TXD and FNC2 RXD of D SUB 15 pin connector from TTL level to RS 232C level FNC1 TXD 6pin and FNC2 RXD 7pin of D SUB 15 pin con nector are configured at the TTL level as the default value But you can change these serial port level to RS 232C level through the RS 232C level converter IC 1C704 by configuring the port BFNC1 TXD Remove the R761 chip jumper and solder the clip jumper to R767 W ss TTL level RS 232C level R761 5 1 OQ chip jumper R767 6 1 chip jumper 2 RXD Remove the R724 and R762 chip jumpers and solder the chip jumpers to R725 and R756 pU TTL level RS 232C level R724 7 R762 9 1 00 chip jumper R725 8 R756 10 1 0Q chip jumper 1 The value in square bracket is the silk print number on the TX RX unit TX RX unit Component side
15. R72 C98 L1 B 5 8 R11 CT R720 4 DS 4 0504 9287 P LIS e340 c579 48 105 136 lh B 4 R40 CLK CML d 2 0 LNA R573 v D301 m caa 26 nil R99 bsg C339 Sar 3 c95 270 m IC3 E c D N IC709 L512 E Ke e e 8 R71 06 a e 3579 D 8 B B 8 9 B 157 e lt C791 E40 E lt e 1999 5 SIN q B R577 R578 9 x R67 Bie 05 IAR CV X1 CP704 N BIS O e t IRA Te Cea B3 C64 R55 v N O R81 8 O K R809 C375 9 127 C790 8 B 58 Q4 d a J 977 1 093 503 aso LI 29 gta 2 amp d a RXENA6n7 s ol P pa ree 28 Ree 1 um T32 lt Eg r3 zi 18991 5 d e PLE niti SPU ES RE frei cu e 242 e zn BB ug _ 18 3 O O 6 9 L508 R362 3 e y p pF 38 88 eza 0 029 pa ES 744 5 CS cw 5 560 559 SEP c 3 op 4 33 A 5 ec 809 65727 du MIXER E VET UN ERE x 4 Z 5 x o o C567 2 54 R865 o Ue ke Ree _ XF500 IC712 Reg oe lesd lt fa 5 5 9 m R868 R748 2 2 R848 R792 CE 8 93 6562 x d O 5 9 M 9 E IC708 a aie
16. s mE F 1 UNIT 218709 o g AUDloouT 6501 AVSS3 28 7 5 1 SET ee Ole BS 351318158 i 88 lt 30 16 e WO BS R520 281710 e 1 gg spa 2 5518 BS 815 x E e s ISS 2 x CN1 454 9 3 3V LEVEL SHIFTER MKEY HOOK ONT ONT R510 cs50 R515 C516 100 DISGoUT 6 6 6 6 54 El qs RAN PDoUT Ss oJ 9o al 18 o 0 100k RSSIoUT x 5 g le 19 8705 0 0721 gd 5 SGT R975 3 RAM 0 0825310 R97Z 4 7k R97 256 R540 25 20 A 470k J DETAF 0500 SQUELCH RECTIFIER a504 R 0 73V 954 2 _ ne 155 Bh 21 e LA 0 1C724 1 725 z fs 37 s dl RB706F 40 KTC4075E Y GR R558 lo I lo lo 9c 2 RF BPF DC C548 R546 0 22 18704 0 TC7WT126FU F TC7WH126FU F RTS 2 o ll 0 01u NY Y xx 22 IC503 A 23 8714 0 GND ANN 1 5 aps 3 4 7 gl 82k 21519 ge HA17358BFEL E R 8 99V 9 gt 4 100k LE 2 vss 0 22u Vc 5 8 x 5 5 OTS woa piii 9 R582 24 6 Ts Q502 O 9 wee E IC715 hy VCC ls Bo R715 CLS 762 R503 2SC2412K S Q505 TV1_IN g A 25 SIS x A BAT i 3 CN503 LTCO14EEBFS8 4 SIS J JAVDDAK2331vouTo 5 ST A Je 26 o VCC x 0 509 6512 12k CN500
17. gt lt A N o 3 N 60 N gt R41 2 2k D22 D3 R21 2 2 R29 10k Q6 25 3928 B30 2321 05 R27 Q7 e 1 141 Q1 RT1N441U JN _ 777 Q2 N 9 BUSY 4 54V RT1N441U Q8 RT1P141U R23 120 BUSY 2 32V I D23 B30 2151 05 T 1 87V T 4 65V KMO1 2 KMI1 KMO2 C KMO3 2 No RAO11 lt Rev 001 gt 2 7 5522 C31 C32 i 1000p C35 1000p 1000p 1000p E 2 7 011 lt 001 gt 910074 10 o0UT5 1110076 f2 a2 b2 12100 7 2 LEVEL DIAGRAM Receiver Section 5 RF Center Frequency 103dBm Zu N 120 dBm 119 5dBm lY 4 To make measurements in the RF section connect the RF level meter In the RF section use a 0 01uF coupling capacitor The display shows the SSG input value required to obtain 12dB SINAD B Transmitter Section AF 1KHz 3 4 24mVrms 12 1mVrms 50 1mVrms 49 8mVrms MIC x 1706 Baseband IC _ Baseband 2 amplifier 1 24 709 20 20 709 24 To make measureme
18. 8 18 2CN 1 61 4 C703 11 C747 1u 10 5 33BD EEPROM Slo vecja 1 G1 TIN SHIETERITXD2 2 1000 3 VoUT vss CE 555 12 12 1 705 ET Sls 255 538 627 VCC 8 R1oUT C2 85 2 gjo 575 2 98 2 511110 SON S 9 28 gis 498 NIE G2 7 3 C2 vcc 5 8 5 Yr E ox DETECT 4 bee 3 715 a 4 crag INA 2 5k e CN933 Rxoo T enD donb SUE o 88 Dor e cribro tote cen Tz 629 5 vss CNZ01 CN70 TxD0 21518 Ej 15 GND GND uh EE 9 CN721 5 STS 1410 OF BORG gt S Sxce224p3s2N G C710 0 01u TC7WT126FU F E vec Ct m ja E gt gt gt gt z BS R C757 0 01u w o CML_XTAL 5555 pm TXDO o ADMZOZEARN 08FUE 05 Un 9 4 C990 R855 5 5 E 398 gt Uo 09 5 8 2 0 01 82 O U m T Q 2 No RA011 lt Rev 001 gt 2 5 2 5 No RA011 lt Rev 001 gt TX RX UNIT 2 2 1 0010 11 NX 840H K UHF K 450 520M UHF M 450 520M UHF K 450 520M UHF M 450 520M UHF K 450 520M UHF M 450 520M UHF K 450 520M UHF M 450 520M UHF K 450 520M UHF M 450 520M UHF K 450 520M UHF M 450 520M NX 840H U K XC1 0010 22 NX 840 M
19. 1 Using the 1750 select your desired item Model Name and Frequency from the Model gt Product Infor mation menu then use Program gt Write Data to the Transceiver to write the FPU data PC Programming mode When writing to the transceiver a Warning Mes sage corresponding to the item selected appears Click OK to continue writing the data 2 Enter Program gt Test Mode then adjust the various ad justment data PC Test Mode as described in the SEC TION 4 ADJUSTMENT 3 Attach the new labels corresponding to the new printed circuit board Refer to the images right for label place ment 4 If necessary write the FPU data used by the customer with the KPG 175D Note e When a new printed circuit board is used the KENWOOD ESN changes as does the Transceiver Information dis play of the KPG 175D but this does not have any effect on the operation of the transceiver e f changing to the original ESN please contact our service center OV lt IMI c ss et oe erent ce ESCEA EE E lt 3 L s SSS i d ER EE ERE lt ri lt 4 g E en la Se Sea FRETS I BE Su a a 0 a 5 K ER fe _ di 1
20. N N SP LEDM 4 y 1 470p C45 470 3 C10 0 01u R34 1k MBL RLED N N N GLED N BLED KMO1 1k C36 1000p cO KMO2 1k 92 1k N KMI1 KMI2 O R3 R4 1k 1k C34 STH 1000p 4 94V D37 HDSP 521A R5 1k 5 L1 LEDI m L92 0138 05 R40 10 C46 470p R36 4 7k R35 12k 25 3928 777 777 1 RK74HB1J102J C16 0 01u CN2 TCA62746AFNAG 92 92 2 24 23 SoUT 22 00711116 00710115 0079 14 oUT8 13 1 GND 2 SIN 3 SCK N LECE LECL C30 I 6 1000p C29 1000 LELH GND MIC 91 9 42 HOOK RXD PTT TXD MKEY 0 N POWER 5 cag 100 10k R28 p C47 1000 4 93V 100 033 DZ2J062 M
21. 1815 5 a I fa m lt xu x O O R CN702 D704 D707 D7 C736 x CN728 O gt 3606522380 S CN747 0 220 DA22 DA22 DA 32 cum A 4052 298525140 ong gt x gt NC 7 CN713 1 R748 a BS uL 2 9 maT 5 24514 O z 0 D712 D713 g R802 N729O CN938 5 VSS2 CML_IRQ 2 FNC 2 MC2858 1111 155372 C754 50 380 52 i 54 139 0 0 3 lax x lt Towa 1 BATT IN 8 57 Sz gt PS ooZ o ATT INT Li Q CNIS L 3 R739 1u MICJAEO x 815 x SWCLK NLSDO 1000 faol 81 18 804 PAON Roz7 POWER wl of Aa CN704 ENGA R747 STT CN730 O 9 a a POWKEY Hgo ala 3 o 820 Pw 06 gle E HSDO 41 1k IGNIN 5 5 si 22 5 8 cNros o N FNC _ Q701 100 5 NJM2100V zB 8 sx mm 0 IGNIN Hg mE 9J Oley 85 9 5 8 T FNC 6 290491 R758 p 14 58 Ir CN711 1 xe nae C746 R749 330k 8 AU R88 0 43566 REDLED REDLED SSM3KO5FU ar 001 00 069 O 8 Nz2a SS C976 SQIN R87 44 GRNLED 742 2 2 R796 HSDOJ 0 R829 R832 R836 SQIN GRNLED ppt n 67 9 Wl CN732 0 4 136 22 Sides te 72
22. 6 a N D KENWOOD NWOOD X 840H UHF DIGITAL TRANSCEIVER HH DC13 6V 14A 000000 000000 rec ws44s2zm ram TT KENWOOD ESN 1S OE TAE f ERATION N000000000000 NXDN E S N aac eese cir 77 MEME E QE I JVCKENWOOD Corporation MADE IN Mod el N a me Plate La bel W AVOID CONTACT DURING PROLONGED USE LG O O9 xSusSITTTE uzGS Z ey No RA011 lt Rev 001 gt 1 29 PRINTED CIRCUIT TX RX UNIT 1 0010 11 NX 840H K NX 840H U K 1 0010 22 840 Component side view J7C 0002 10
23. 011 lt 001 gt 1 15 2 4 7 Power Supply Circuit When the power switch on the display unit is pressed the power port on the display unit which is connected pin 140 POWKEY goes low then pin88 SBC goes high Q718 turns on SB SW Q719 turns on and power SB is supplied to the transceiver When the DC power supplied to the transceiver the voltage regulator IC IC720 amp IC718 and supply into the MCU VDD and reset voltage detect IC 723 IC723 will generate signal RESET into the reset terminal on the MCU IC714 to carry out a power on reset When the DC power voltage deceases from normal voltage the INT voltage detector IC IC722 will set to high on MCU port 141 INT If B line becomes less than about 8 5V MCU will send the backup data to EEPROM 1C716 and go into STOP mode This circuit has an overvoltage protection circuit If a DC voltage of 18V or higher is applied to the base of 0712 this voltage turns Q712 on and sets port 141 BATT_INT to low As a result port 88 SBC is low and turns Q719 and Q720 SB off R899 R898 Fig 16 Power supply circuit 2 5 SEMICONDUCTOR DATA 2 5 1 MCU 2F405ZGT6KFKA TX RX unit IC714 1 LED Data LECE LED Enable LECL LED Clock 4 LELH LED Latch LERE LED Reset ACR SW E ACR switch for HSDO D A port s No Nooo 00 EE No connection Function P8l O Expander 2 Data Function P7I O Expander I2C Data
24. c ND Part Description PLASTIC CABINET PANEL ASSY CAP D SUB BADGE FRONT GLASS RF COAXIAL GROUND TERMINAL DC CORD FLAT CABLE 30P PANEL PACKING DC CORD PACKING RECEPTACLE PACKING CHASSIS PACKING PANEL HOLDER SPEAKER KEY TOP SPEAKER SHIELD CASE BINDING HEAD MACHINE SCREW PAN HEAD SEMS SCREW PAN HEAD TAPTITE SCREW x BRAZIER HEAD TAPTITE SCREW SERVICE TX RX UNIT SERVICE TX RX UNIT SERVICE TX RX UNIT Block No Local HK HUK 011 lt 001 gt 3 3 Electrical parts list DISPLAY UNIT A SymbolNo Part No Part Name Description Local X54 3890 20 R38 RK73HB1J100J RESISTOR 10J 1 16W Block 0 1 R39 RK73HB1J150J RESISTOR 15 J 1 16W R40 RK73HB1J100J RESISTOR 10J 1 16W Symbol No Part No Part Name Description Local R41 RK73HB1J222J RESISTOR 2 2K J 1 16W R42 RK73HB1J102J MG RESISTOR 1 0K J 1 16W TC62D748CFNAG MOS IC 11 192 0138 05 FERRITE 01 LTCO44EEBFS8 TRANSISTOR 101 J31 0565 15 COLLAR 02 LTCO44EEBFS8 TRANSISTOR CN1 E40 6851 05 FLAT CABLE CONNECTOR Q3 KRA225S TRANSISTOR CN2 E23 1262 05 TERMINAL Q4 KRC102S P TRANSISTOR CP1 RK74HB1J102J 1 0K J 1 16W Q5 25 3928 TRANSISTOR J1 J1 MODULAR JACK Q6 25 3928 TRANSISTOR Q7 LTAO14EEBFS8 TRANSISTOR Q8 LTAO44EEBFS8 TRANSISTOR 09 25 3928 TRANSISTOR TX RX UNIT D1 B30 2337 05 LED YELLOW 1 0010 11 NX 84
25. 2 Key Matrix Input 2 Key Matrix Input 3 eo xoz and UART for DES RXD2 2 UART for DE15 m voo 73 CML CSN C BUS Chip Select CML SCLK E C BUS Clock CML RDATA C BUS Data CML_CDATA 07 C BUS Command Data _ Data EEP DATAI EEPRON Data In EEP SCLK EX EEPROM Clock 80 EEP CS Chip Select EEP WP Write Protect BUCNT1 I1 PTT TXD buffer control ws le No 1 DTM MIC Keyinput T PLL UniockDetect SB Control MIC Key output BUNT PLL UL SBC mevo fo ec 00 x HOOK I Hook ASTSW O Assist Speedup Swin VSS GND 95 VDD FM SDATA 33MD 0 Select TOO O FMiCPowerD TXD Serial Data to Mic Jack RXD Serial Data Jack TxRx O punce toa HORN _ aF _ ws w SWCLK 170 SSOUT 1 Audio Godec Chip Select 111 EPSCLK Aucio Codec Clock 112 ewL_erso 0 Audio Codec Data ou CMLEPSI 1 Audio Codec Data in ma Nocom LEDM LED Dimmer MBL Panel and Mic Key Backlight 1 Funcion pacts Funcion fie nc 122 sc 0 cowo
26. 99 0443 05 I L 4 1039 05 d ado 34 4903 05 16 8MHz O R11 L1 R19 C24 16 8MHz L15 R61 ODULATION 77 L407CDB 5 X L ot gio gis GND ajo 39k L28 CONTROL Te Power 9 5 e 3216 RTN ere 586 0 ol 47u 12k 001 192 0163 05 25189 glesle eese palsalBarna Sata 59917 o oUTPUT 23 SINSLS TAS SO HS MRSA O x BEY Lane 3216 16 5 a 69 g 4 gj 5 584 o TOS STE TOS OTTON 216 2 S toan N i O e e p e gt ore 578 928 ST AJANT SWITCH amp TEMP DETECT 330k F 8 99V 010 7 57 d a S S Jaz rg a i 3 R7 FREQ oo KTC4075E Y GR 9CL 529 pem 0 1u 5183123530 5218 jal x 321 8888 0 Si x 5 8 d cad 7 STS STs E179 BT ors f EDS 8 59578 253 8188188 i N Nex 1 301 T 8 86V 8 zb d gt 5 xg 21335 OD 8 E m Gr 5 R329 amp C36 5 9 Six VOLTAGE PROTECTION x T y OTS TN 15 Be 2 5 li 2 5 c 2 gt o o o a 3 528 mle ar R6 180 R16 i E o x c 6 2 5 35396 lt 9 o 2 VEE 5 x g 916 E 390k amp 077 t Power rectifier 5 33MS 33 5 HA17358BFEL E R334 Bee 100k R341Hsc277 REVP 0307 g GTs Bry Sse XC6
27. 1 24 No RA011 lt Rev 001 gt 4 3 Preparations for Tuning the Transceiver Before attempting to tune the transceiver connect the unit to a suitable power supply Whenever the transmitter is tuned the unit must be connected to a suitable dummy load i e power meter The speaker output connector must be terminated with 40 dummy load and connected to an AC voltmeter and an audio dis tortion meter or a SINAD measurement meter at all times during tuning 5 reference level adjustments frequency TEST CH RX MHz TX MHz Low 450 050000 450 05000 450 10000 467 55000 467 60000 Center 485 05000 485 10000 502 55000 502 60000 519 95000 519 90000 4 4 Section Condition Measurement Adjustment Specifications 1 Setting 2 Receive Assist voltage 3 Transmit Assist voltage Note 1 1 Power supply voltage DC power supply terminal 13 6V 1 Select each tab Test Terminal IRemarks equipment CH Low CH Center CH High CH High Note 1 1 Select each tab CH Low CH Center CH High CH High Note 1 FPU Voltage level indi 2 5 0 1V cated in PC window show VCO Lock voltage Change the adjust ment to get the VCO Lock Voltage within the limit of the spec ified voltage Click Tune Assist Voltage button on Test Mode dialog box these adjustment can be done by automatic When automatic adjustment is done
28. 0 wicamuTe 0 ws SPMUTE 0 fsm i Shimuke pot iar sm vs Nc _ No RAO11 lt Rev 001 gt 1 17 Function ino mm 00 129 B No connection mops p mo NC No connection SWO SWO for SWD wows _ Ws urb Ou m eneo oferen 197 Reone fofa _ Test Pointto enable Bootloader POWKEY PowerKey input iat eant iS 2 1 Baseband IC IRG _ ERO E Reset 2 6 COMPONENTS DESCRIPTION 2 6 1 Display Unit 54 3890 20 Ret No Description Transistor Indication LED switch 2 6 2 Unit XC1 0010 XX Reo Description IC502 Voltage regulator 33MS IC503 IC700 IC701 RF BPF DC amplifier I2C level shifter IC 3 3V level shifter RXDO CTSO expander 1 18 011 lt 001 gt Part Name Description RS 232C driver IC 5V level shifter TXD2 IC Evol DAC EEPROM IC Voltage regulator 9R Voltage regulator 33MA Voltage regulator 5M O menit PLL Fin ampiter Assist filter control switch Q2 Q5 TX RX VCO switch Q7 Q10 Q12 Transistor TX RX VCO switch Quz Transistor commen amp Q501 Transis
29. IC709 3 Controls the PLL IC2 amp TX RX outputs 4 Controls IO expender through 2 level converter 5 Controls the display unit N lt 2 u 0 jl jl oj 4 RSTN IC501 FM IC SCLK 714 SDATA MCU O gt 1 16 X I SS LED Driver Display unit Fig 8 Control circuit 2 4 5 1 Memory Circuit The transceiver has an 256k bit EEPROM 1C716 The EE PROM contains adjustment data The MCU IC714 controls the EEPROM through three serial data lines 2 4 5 2 Display Circuit The 714 controls the Display 7 segment LED and LEDs When power is on the MCU will use the MBL line to control the key backlight LEDs When the transceiver is busy the GLED line goes high Q1 turns on and the green LED D23 lights after Q4 turn on In transmit mode the RLED line goes high Q2 and Q8 turns on and the red LED D23 lights BLED will be set high when the function select FPU setting is on Q6 turn on and the blue LED D22 lights The dimmer function is controlled by the switch Q5 The LED driver IC1 controls the functions of the 7 segment LED through the LEDI LECE LECL LELH lines from the MCU C DATA IC709 IRQ Baseband CSN E IC level lO converter expender IC700 IC702 _ EEP_CLK IC714 EEP DATAI IC716 MC
30. 5 22 VRE 919 818 27 18701 100 8 SO BO eae Geng 2 th g s 5 5 2 e o gt th 28 8702 100 a J Zla x gt gt gt RE T 5 R581 ow I 10 9 22 R703 ik 0 1u 1 x DETAF AMP C872 eg 3 29 3 ao 6216 5 8 12 1u 88 2 Bue i UST 8 EEUU S 8 45 62 2 R850 120K D 3 R912 ziz gt 0 a 9 8 33MA 1 2 gt gt 5 o wy lt Q704 R 4 98V ZAS i TEMP 27 Ary 2 x BK Sw eft 5 2 ER Ire DETO KTC4075E Y GR R777 mE 53 R889 2 x amp gg gu i 20k n4 av ET SS 12k 15 m amp _ Sts 499 258 ROOD FE 39 S 2 EM RST z 331 827 2 Tal TAS o iE o oN 1 gt FOR BOARD TEST MN R765 C761 355 PDN dees 8 85 5 EX EIE S R956 2 5 x ESET lt 5 5 S S S tru SER ASIS 8 g N741 xis 95222 22 pix 22k 2 x il SURGE R745 5 e z 274 R 3 29V ci PROTECTION C743 82k CN727 2 n928 R949 p E S D700 1 R 64 18 0714 DA221 EB amp 5 358 St 5 W Teal SF
31. B30 2151 05 58 0536 05 F1CNT didis oF MUTE 2581694 i KMO1 SWO IC703 M BATT INT INT 5V 3 TC7WH126FU F CL oe 2A 5 CSN BLULED 19 2MHz I i Expander F1CNT CML SCLK GRNLED l SURGE F2CNT CML CDATA REDLED 5 721 PROTEC 5M F34CNT D 5V 3 3V 5M LTCO14EEBFS8 TA7805F NQ RT1P141U T il F34CNT 2 723 9RC AVR pater DISC DC XC6120N302N G m 5V 1 Q2 SHIFT RESET RXD2 CML_EPSI SSM3J05FU F REDLED RT1N441U gum 5 3 3 33MD RESET RESET 33M EEP SP Q703 Q702 01 1 EL IGNI DRIVER TC7WH126FU F 7 TEMP2 DETO 5MS PLL_UL POWERKEY 0711 981400 LTC014TEBFS8 5MS IC704 SON 0706 LTC014EEBFS8 us HORN ADM202EARNZ HOOK CML_IRQ LTC044TUBFS8 IC720 5CC Q3 D1 15 i MOOV M E D SSM3J05FU F XC6221B332N G i KRA225S B30 2282 05 CVIN 5V_TXD2 i id 33BA 5M 5MS x SB KEY BACK LIGHT IC502 IC718 Ic710 IC726 XC6221B332N G MM1856A33N XC6221B332N G XC6221B332N G Q713 0721 AUR UE LTCO44TUBFS8 SSM3JOSFU F 33MS 5M 33MD 33BD AVR AVR 3 3V 3 3V IM 3 3V 5M 33C 3 5M Q723 eM INT I RXD2 LTCO14EEBFS8 Q722 LTC014EEBFS8 1 Q4 1 P 08 SBC 33BC 33CC OVER VOLTAGE DET 33BC SBC a
32. Le cin SS E gt 27 O E SS CRAS ES rom O 3 O O o x L 5 pss DES O x E3 I C41 a O 7 D O Sr TB 9 o EE a rm O c1 54 367 BL b R1 179 0249 29 f C O O O z Cm Ome N O Oe O q I a OO PO 5 4 3 2 1 011 lt 001 gt 2 4 2 4 011 lt 001 gt SCHEMATIC DIAGRAM TX RX UNIT 1 2 1 0010 11 NX 840H K NX 840H U K 1 0010 22 840 RX VCO 6p Q5 m527V 89 6 MCH3914 7 H 5
33. 900 4 HSD EVOL T LA4600 75 L HOOK RXD POWER IC715 Oe SP2 DM MKEY AGC CML_SSOUT LEDI EEP DATAO AK2331 SB SP 1 DET CML_EPSCL LECE IC716 lt sus EEP_SCLK 33C EVOL_SCLK Q6 4 5 0700 CML_CSN LECL EEP_CS M95512 RDW6TP i lt sp 2564919 0712 cML_SCLK LELH EEP WP 2 2SC3928A 2858 CML RDATA CDATA SSM3K05FU i 4 6 4 _ LERE BUCNT1 SCLK ML D713 SW 2 EEP DATAO PA BLULED PTT 1SS372F EVOL_DACCE SBC EEP_CS LTC014EEBFS8 4 4 TXD EVOL SCLK EEP_DATAI d 522 LECE JE EVOL DATA 9RC EEP_WP AMPSW 4 5201 0 BUCNT2 I2CDT 9C GRNLED 1 FM_RSTN i lt 724 LSDO FM_SCLK ener e IINT45P oir lt TC7WT126FU F HSDO FM_CSN Q719 lt 0 3CC FM_PDN FM_SDATA Q710 TA4809BF 2SJ645 1 i 5 TXD SWDIO 2SB1694 i M Q1 KH PLL DATA TXRX ce AVR RT1N441U KMI3 MKEYI PLL_CE HORN IC744 B a 1 i PLL_CLK CMLEPSO 708 Q718 i GRNLED 1 725 SMT32F405ZGT6 i TC7WT126FU F eke LTC014EEBFS8 KTC4075E Y GR 33MD PA MBL 1 Q7 AMP_SW 33BC 9TC SBC i 0704 706 707 709 711 702 700 9TC MICTMUTE IC722 D23 4700 0221 PCA9555AHF TC7WBD125AFK KMO3 MIC2MUTE 0709 BD4740G
34. C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR Description 470PF 470PF 100PF J 470PF 470PF 470PF 470PF 100PF J 100PF J 0 010UF K 1 0UF K 1 0UF K 1 0UF K 0 010UF K 470PF 0 10UF K 1 0UF K 0 10UF K 1000 0 109 1 0UF K 1 0UF K 1 0UF K 1 0UF K 100 100PF J 68PF J 1 0UF K 1 0UF K 0 010UF K 0 10UF K 0 10UF K 1 0UF K 4 7UF 0 033UF K 100PF J 100PF J 100PF J 100PF J 100PF J 100PF J 100PF J 100PF J 100PF J 0 022UF K 100PF J 1 0UF K 0 10UF K 0 10UF K 10UF K 0 10UF K 1 0UF K 470PF K 1 0UF K 0 10UF K 10UF K 1 0UF K 0 10UF K 470PF K 10UF K 100PF J 4 7UF M 100PF J 270 10UF K 0 010UF K 1 0UF K 10UF K 1000PF K 0 010UF K 0 068UF K 0 010UF K 0 010UF K 0 10UF K 0 10UF K 0 010UF K 0 10UF K 0 10UF K Symbol C843 C844 C845 C846 C847 C848 C849 C850 C851 C853 C856 C857 Part No CK73HB1A104K CK73HB1H102K CK73HB1A104K CK73HB1H102K CK73HB1A104K CK73HB1H102K CK73GB1H102K CK73HB1H102K CK73HB0J225K CK73HB1H103K CK73HB0J105K CK73HB1H103K CK73HB0J105K CK73HB1H471K CK73GB1H102K CK73HB1A104K CK73HB1H102K CK73HB1H1
35. K e 368 C940 C332 R341 C347 C938 oF 0 5 ES 320 0307 c C968 t 312 8 RE 2 8 Pam L311 2 3 18 8 _ 9 8 IC720 5 l O LO i gt 9 5 gt D309 C355 m C304 1 L302 4 L303 1308 O D D gt 0310 on 5 9 6335 30 R310 C301 D SU C704 C351 O D N N 8 1726 8 o a C989 D D gt 3 3 x 6980 D gt c 14 C981 Q721 L514 5 ROS CP703 CP702 IM 5 D R26 R25 R21 IC703 12 N R993 R C31 O O 0 R985 R50 Oo 506 T di on 4 C28 1 c818 C348 1 r 4 DON DER 520 C26 v 10702 81 3 pass B 9 8 3 CP708 R729 J 16714 E E m 0308191 C52 ei 4 TF 11 E 5 Mm ze R338 2 9 5 2 9 C757 R759 752 80 SES R343 R334 R342 Did E a RGD 22 m 5 IC301 gt 5 as C705 1 710 Pu R320 D17 R80 B E 8 1 a 2 5 L1 04 5 ES 6 m M C101 j 2 52 8E s vU E eum N 8 8 5 9 gt J C87 8 H de psos 8 4 5 B o C97 8 B 2 R13 oat aso 8828 R830 lo d 98 C83 C591 1 583 9 2 T324
36. MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR 3 10 011 lt 001 gt Description 100K J 1 16W 100K J 1 10W 1 0K J 1 16W 10K J 1 16W 0 0 J 1 16W 0 0 J 1 16W 100K J 1 16W 1 0K J 1 16W 220K J 1 16W 100K J 1 16W 100K J 1 16W 0 0 J 1 16W 39K J 1 16W 100K J 1 16W 100K J 1 16W 10 J 1 10W 100 J 1 16W 100K J 1 16W 0 0 J 1 10W 12K J 1 16W 100 J 1 16W 47K J 1 16W 100K J 1 16W 100 J 1 16W 100K J 1 16W ATK J 1 16W 100 J 1 16W 0 0 J 1 16W 47K J 1 16W 0 0 J 1 16W 10K J 1 16W 120K D 1 16W 220K D 1 16W 82 J 1 16W 0 0 J 1 16W 6 8K J 1 16W 0 0 J 1 10W 4 7K J 1 16W 0 0 J 1 16W 2 2K J 1 16W 47K J 1 16W 330K D 1 16W 150K D 1 16W 3 3K J 1 16W 22 J 1 16W 470K J 1 16W 82 J 1 16W 0 0 J 1 16W 1 0K J 1 16W 47K J 1 16W 1 0K J 1 16W 1 0K J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 47K J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 100K J 1 16W 12K J 1 16W 0 0 J 1 16W 1 0M J 1 16W 15K J 1 16W 1 0K J 1 16W 1 0K J 1 16W 2 2K J 1 16W 1 0K J 1 16W 130K D 1 10W 12K D 1 10W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W ATK J 1 16W 100K J 1 16W 1 0K J 1 16W 10K J 1 16W Local N Symbol No R907 R908 R909 R910 R911 R912 R913 Part No RK73HB1J100J RK73HB1J473J RK73HB1J473J RK73HB1J473J RK73HB1J473J RK73HB1J
37. NT NT NT NT NT FPU IMake the demodulation wave into square wave F The Deviation of 20Hz frequency is fixed Change the 1kHz adjustment value to become the same deviation of 20Hz within the specified range 2 0kHz According to larger 0 35kHz 0 35kHz u 1 5 2 1 337kHz 1 00kHz FPU 0 1W 4 0A or less 15Hz ss 50Hz Note FPU auto input 1kHz 150mV 50Hz 100Hz 40Hz 40Hz 50Hz Condition Measurement Adjustment Specifications Test Terminal IRemarks equipment 12 MSK 1 Test Center 1 point Deviation Deviation 2 Deviation meter filter Meter Analog LPF 15kHz Oscilloscope Narrow HPF OFF 3 PTT ON Transmit Note 2 Only 1 DQT Balance need to align either Balance1 Balance2 Note 3 for the NXDN Very Narrow Maximum Deviation and CW ID Deviation alignment Must do the NXDN Very Narrow Maximum Deviation and CW ID Deviation alignment after the DQT Balance alignment and Maxi mum Deviation alignment Analog 4 6 Receiver Section 1 Receive Sensitivity Semiauto matic 2 Open Squelch 5 Condition High High 5 point 2 SSG output 90dBm AF Freq 1kHz Mod Dev 1 5kHz Analog Narrow 1 Test CH Low Low Center High High 5 point 2 SSG output 120dBm AF Freq 1kHz Mod Dev 1 5kHz NXDN Very Narrow 1 Test CH Low Low Center High H
38. 0 0 J 1 16W 0 0 J 1 16W 100K J 1 16W 100K J 1 16W 100K J 1 16W 56 D 1 10W 100K J 1 16W 100K J 1 16W 82 D 1 10W 0 0 J 1 16W 0 0 J 1 16W 100K J 1 16W 200 D 1 10W 0 0 J 1 16W 100 J 1 2W 1 0K J 1 10W 0 0 J 1 10W 0 0 J 1 10W 0 0 J 1 10W 0 0 J 1 10W 120 D 1 10W 180 D 1 10W 0 OHM 4 7K J 1 16W 470 J 1 16W 10 J 1 16W 470 J 1 16W 0 0 J 1 16W 10 J 1 16W 100K J 1 10W 0 0 J 1 10W 560K J 1 16W 1 5 J 1 16W Local Symbol No R509 R510 R512 R513 R514 R515 R516 Part No RK73HB1J123J RK73HB1J104J RK73HB1J123J RK73HB1J334J RK73HB1J101J RK73HB1J332J RK73HB1J332J RK73HB1J000J RK73HB1J563J RK73HH1J473D RK73HB1J105J RK73HB1J224J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J104J RK73HB1J000J RK73HB1J100J RK73HB1J101J RK73HB1J473J RK73HB1J394J RK73HB1J121J RK73HB1J183J RK73HB1J474J RK73HB1J101J RK73HB1J682J RK73HB1J470J RK73HB1J152J RK73HB1J102J RK73HB1J104J RK73HB1J274J RK73HB1J391J RK73HB1J684J RK73HB1J224J RK73HB1J000J RK73HB1J474J RK73HB1J154J RK73HB1J823J RK73HB1J000J RK73HB1J823J RK73HB1J823J RK73HB1J000J RK73HB1J000J RK73HB1J105J RK73HB1J105J RK73HB1J105J RK73HB1J000J RK73HB1J000J RK73HB1J473J RK73HB1J151J RK73HB1J000J RK73HB1J104J RK73HB1J564J RK73HB1J223J RK73HB1J104J RK73HB1J683J RK73HB1J000J RK73HB1J223J RK73HB1J223J RK73HB1J000J RK73HB1J000J RK73HB1J104J RK73HB1J104J RK73FB2B000J RK73HB1J000J RK73HB1J473J RK73HB1J000J RK73HB1J100J RK7
39. 0K J 1 16W 470K J 1 16W 4 7K J 1 16W 4 7K J 1116W 100K J 1 16W 0 0 J 1 16W 0 0 J 1 10W 100 J 1 16W Local HK HUK HK HUK Symbol No R998 R999 CN700 CP701 CP702 CP703 CP704 CP705 CP706 Part No RK73HB1J101J RK73HB1J101J L41 4795 39 L92 0442 05 L92 0443 05 L40 6865 71 L40 2275 71 L40 2785 92 L40 2785 92 L92 0163 05 L40 2285 92 L92 0163 05 L40 2285 92 L40 2285 92 L40 2285 92 L40 2285 92 L40 2285 92 L92 0443 05 L41 2278 14 L41 2278 14 L40 2702 86 L40 2785 92 L40 2785 92 L40 2702 86 L92 0443 05 L40 3375 71 L40 3375 71 L40 8265 71 L40 4763 71 L40 1075 92 L40 1575 92 L40 1275 92 L40 1275 92 L92 0179 05 L92 0179 05 L92 0179 05 L34 1039 05 L34 4902 05 L34 1039 05 L34 1113 05 L34 1113 05 L34 4902 05 L40 1875 71 L40 1875 71 L41 1885 53 L40 1085 71 L40 1591 86 L41 2785 39 L41 6885 39 L41 6868 14 L41 6868 14 L41 6868 14 L41 2788 45 40 2775 92 L41 6868 14 L41 6868 14 L40 1875 92 L40 1875 92 L41 8275 45 L92 0163 05 L92 0163 05 L92 0163 05 L92 0163 05 L92 0163 05 L92 0443 05 L92 0163 05 L92 0163 05 L92 0161 05 E40 6847 05 Part Name Description Local 100 J 1 16W 100 J 1 16W MG RESISTOR MG RESISTOR SMALL FIXED INDUCTOR 4 7U CHIP FERRITE CHIP FERRITE SMALL FIXED INDUCTOR SMALL FIXED INDUCTOR SMALL FIXED INDUCTOR SMALL FIXED INDUCTOR BEADS CORE SMALL FIXED INDUCTOR 220NH BEADS CORE SMALL FIXED INDUCTOR 220NH SMALL FIXED INDUCTOR 220NH SMALL FIXED
40. 100 J 1 16W 6 8K J 1 16W 47 J 1 16W 1 5K J 1 16W 1 0K J 1 16W 100K J 1 16W 270K J 1 16W 390 J 1 16W 680K J 1 16W 220K J 1 16W 0 0 J 1 16W 470K J 1 16W 150K J 1 16W 82K J 1 16W 0 0 J 1 16W 82K J 1 16W 82K J 1 16W 0 0 J 1 16W 0 0 J 1 16W 1 0M J 1 16W 1 0M J 1 16W 1 0M J 1 16W 0 0 J 1 16W 0 0 J 1 16W 47K J 1 16W 150 J 1 16W 0 0 J 1 16W 100K J 1 16W 560 J 1 16W 22K J 1 16W 100K J 1 16W 68K J 1 16W 0 0 J 1 16W 22K J 1 16W 22K J 1 16W 0 0 J 1 16W 0 0 J 1 16W 100K J 1 16W 100K J 1 16W 0 0 J 1 8W 0 0 J 1 16W 47K J 1 16W 0 0 J 1 16W 10 J 1 16W 0 0 J 1 16W 2 2K J 1 16W 22K J 1 16W 100 J 1 16W 100K J 1 16W 100 J 1 16W 100 J 1 16W 1 0K J 1 16W Local Symbol No R704 705 706 707 708 709 Part RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J104J RK73HB1J682J RK73HB1J682J RK73HB1J104J RK73HB1J000J RK73HB1J474J RK73HB1J102J RK73HB1J102J RK73HB1J000J RK73HB1J104J RK73HB1J561J RK73HB1J472J RK73HB1J681J RK73GB2A000J RK73HB1J102J RK73HB1J821J RK73HB1J223J RK73HB1J221J RK73HB1J000J RK73HB1J223J RK73HB1J473J RK73HB1J823J RK73HB1J101J RK73HB1J000J RK73HB1J222J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J471J RK73HB1J334J RK73HB1J471J RK73HB1J823J RK73HB1J000J RK73HB1J000J RK73HB1J183J RK73GB2A000J RK73
41. 2 3 8 Changing of Signal 2 3 8 1 Change signal input of D SUB connector from DI to MIC The input Spin of D SUB 15 pin connector is configured at the DI as the default value Remove the R737 chip jumper and solder the chip jumper to R735 TX RX unit Component side r F 38536 II AJ 2 x parag en ee oO x p r 2 3 9 Emergency 2 3 9 1 Installation Procedure 1 Remove the two screws on both the right and left sides of the transceiver then remove the cabinet and top packing from the transceiver 2 solder the MIC connection cable as below a solder the MIC ve cable signal line to EMGMIC solder pad b solder the ve cable GND to GND solder pad 824 oL Ta E MIC ve cable x ve cable signal line ee 1 f 7 joker p VP Component side Note You must set up using the KPG 175D 3 Dress the cable as shown in the figure The cable needs to pass through one of two indentations located on the rear panel of the transceiver enn 4 Cut off the projection of the top packing using a pair of nip pers or similar tool If the cable is dressed to be routed through the indentations on the right side in step 4 the
42. 587 588 589 590 592 595 596 597 599 C600 C601 C602 C705 C707 C711 C713 C717 C719 C722 C731 C753 C791 C852 C855 C873 C955 C959 C963 0 11 470p 13p 470p 470p 470p 470p 470p 470p 15p 3 5p 0 75p 1 4 5 15 1 5 2 15 470p 470p 470p 470p 2p 15 3p 3 5p 15p 5p r 30p 4p 1 5p 100p 100p 100p 100p 100p 100p 100p 100p 68p 470p 470p 470p 0 22 470p 13p 470p 470p 470p 470p 470p 470p 15p 3 5p 0 75p 1p 4 5p 15p 1 5p 2p 15p 3p 470p 470p 470p 470p 2p 15p 3p 3 5p 15p 5p 30p 4 1 5 100 100 100 100 100 100 100 100 68 470 470p 470p C965 C966 C968 C970 C991 C992 C993 0 11 4 0 100 47 470p 1000p 220p 470p 0 22 470p 100p 47p 470p 1000p 220p 470p 011 lt 001 gt 2 6 D 2 6 No RAO11 Rev 001 DISPLAY UNIT X54 3890 20 J1 TS bo R1 OND 1 TO TX RX UNIT 1 2 CN700 10 R37 100 D20 DA221 C1 Ho 0 01u KEY BACKLIT D1 N 4 2 S 4 06V 13 53V Q3 R10 AAA KRA225S SS B30 2337 05 D3 B30 2337 05 D4 SS 5 6k 4 06V R11 VW 4 05 B30 2337 05 B30 2337 05 5 6k 1 90V R12 04 lt 4 B30 2337 05 6 8k KRC102S P PES CD N SP N
43. C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR 3 8 No RA011 lt Rev 001 gt Description 10UF K 1000PF K 2 2UF K 0 10UF K 22PF J 0 039UF K 1000PF K ATPF J 220PF 100PF J 470PF K 470PF 22PF J 22PF J 470PF K 470PF ATPF J 0 010UF K 22PF J 470PF 470PF K 100PF J 1000 ATPF J 470PF K 470PF K 220PF K 0 10UF K 0 10UF K 1 0UF K 1 0UF K 56PF J 0 10UF K 1 0UF K 1000PF K 1 0UF K 1000PF K 1000PF K 47UF 10WV 47UF 10WV 0 010UF K 1000PF K 220PF J 470PF K 10K J 1 16W 330K J 1 16W 180K J 1 16W 0 0 J 1 16W 100 J 1 16W 10 J 1 16W 100 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 1 0K J 1 16W 0 0 J 1 16W 390K J 1 16W 330 J 1 16W 1 2K J 1 16W 27 J 1 16W 10 J 1 16W 10K J 1 16W 10 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 1 5K J 1 16W 18K J 1 16W 390 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 10K J 1 16W 1 0K J 1 16W 22K J 1 16W 15K J 1 16W 2 2M J 1 16W 0 0 J 1 16W 470 J 1 16W 150K J 1
44. CAPACITOR 1 060 C CAPACITOR CC73HCH1H110J C CAPACITOR CC73HCH1H240J C CAPACITOR CK73HB1H102K CAPACITOR CK73HB1H471K CAPACITOR CC73HCH1H110J C CAPACITOR CK73HB1H471K CAPACITOR Description Local 270PF 0 010UF 0 010UF 10PF 0 109 100PF J 0 047UF K 0 010UF 10PF B 0 010UF 0 010UF K 100PF J 100PF J 0 22UF K 0 22UF K 270PF K 0 010UF K 1 5UF 20WV 270PF K 0 1UF 35WV 470PF K 100PF J 8 0PF B 470PF 3 0PF B 8 0PF B 33PF J 10PF B 270PF K 270PF K 0 1UF J 0 10UF K 470PF ATPF J ATPF J 470PF 470PF 10UF 10PF C 100PF J 0 75 B 20PF J 0 5 B 470PF K 470PF K 100PF J 100PF J 3 5PF B 470PF K 2 5PF B 6 0PF B 470PF K 8 4 0 6 0PF B 470PF K 0 3PF B 0 5 B 10UF 16WV 470PF K 470PF K 470PF K 4 0PF B 2 0PF B 2 0PF B 470PF K 470PF K 470PF K 2 0PF B ATOPF K 11PF J 6 0PF B 11PF J 24PF J 1000PF K ATOPF K 11PF J 470PF K No RA011 lt Rev 001 gt 3 5 N Symbol C311 C312 C313 C315 C320 C323 C325 C326 C327 C328 C527 C528 C529 C530 C531 C532 C534 Part No Part Name CC73HCH1H1R5B C CAPACITOR CK73HB1E223K C CAPACITOR CC73GCH1H271J C CAPACITOR CC73GCH1H101J C CAPACITOR CK73HB1H471K CAPACITOR CK73GB1H221K CAPACITOR CC73GCH1H220J C CAPACITOR CK73GB1H102K CAPACITOR CC73GCH1H101J C CAPACITOR CC73GCH1H101J C CAPACITOR CK73HB1A154K C CAPACITOR CK73GB1H471K CAPACITOR CC73GCH1H101J C CAPACIT
45. INDUCTOR 220NH 6 8 22NH 270NH 270NH SMALL FIXED INDUCTOR 220NH SMALL FIXED INDUCTOR 220NH CHIP FERRITE SMALL FIXED INDUCTOR 22NH SMALL FIXED INDUCTOR 22NH SMALL FIXED INDUCTOR 27UH SMALL FIXED INDUCTOR 270NH SMALL FIXED INDUCTOR 270NH SMALL FIXED INDUCTOR 27UH CHIP FERRITE SMALL FIXED INDUCTOR SMALL FIXED INDUCTOR SMALL FIXED INDUCTOR SMALL FIXED INDUCTOR SMALL FIXED INDUCTOR SMALL FIXED INDUCTOR SMALL FIXED INDUCTOR SMALL FIXED INDUCTOR CHIP FERRITE CHIP FERRITE CHIP FERRITE AIR CORE COIL AIR CORE COIL AIR CORE COIL AIR CORE COIL AIR CORE COIL AIR CORE COIL SMALL FIXED INDUCTOR 18NH SMALL FIXED INDUCTOR 18NH SMALL FIXED INDUCTOR 0 18UH SMALL FIXED INDUCTOR 100NH SMALL FIXED INDUCTOR 1 5UH SMALL FIXED INDUCTOR 0 27U SMALL FIXED INDUCTOR 0 68U SMALL FIXED INDUCTOR 6 8NH SMALL FIXED INDUCTOR 6 8NH 33NH 33NH 8 2NH 4 7NH 10NH 15NH 12NH 12NH SMALL FIXED INDUCTOR 6 8NH SMALL FIXED INDUCTOR 270NH SMALL FIXED INDUCTOR 27 NH SMALL FIXED INDUCTOR 6 8NH SMALL FIXED INDUCTOR 6 8NH SMALL FIXED INDUCTOR 18NH SMALL FIXED INDUCTOR 18NH SMALL FIXED INDUCTOR 82NH RK75HA1J101J RK74HA1J104J RK74HB1J104J RK74HA1J104J RK75HA1J473J RK74HA1J102J RK75HA1J473J BEADS CORE BEADS CORE BEADS CORE BEADS CORE BEADS CORE CHIP FERRITE BEADS CORE BEA
46. KMC 30 ACCESSORY MICROPHONE KMC 35 ACCESSORY Block No M2MM Block No MII2 IM M Local HK HUK M HK HUK M HK HUK HK HUK KENWOOD JVC KENWOOD Corporation Communications Equipment Div No RA011 lt Rev 001 gt Printed in Japan VSE
47. Lock Voltage can not be confirmed on the window If you would like to confirm it please check the lock voltage on Receive Assist Voltage adjustment window and Transmit Assist Volt age adjustment window 4 5 Transmitter Section Condition Adjustment Specifications Test Terminal Remarks equipment 1 Frequency 2 High Transmit Power 3 Mid Transmit Power NX 840HK Power meter 1 Test CH Low Low Ammeter Center High High 5 point 2 Baterry Terminal voltage 13 6V 3 PTT ON Transmit NX 840 Power meter 1 Test Low Low Center High High 5 point 2 Baterry Terminal voltage 13 6V 3 PTT ON Transmit NX 840HK Power meter 1 Test Low Center High High 5 point 2 Baterry Terminal voltage 13 6V 3 PTT ON Transmit 1 1 Test Center 1 point Center 1 point Frequency ANT TX RX FPU 1485 100 2 50 2 PTT ON Transmit counter FPU 45 0W 2 0W 14 0A or less FPU 25 0W 1 0W 8 0A or less FPU 25 0W 1 0W 8 0A or less No RA011 lt Rev 001 gt 1 25 Condition IRemarks Test erminal Parts equipment 4 Low Transmit 6 Maximum Deviation Analog Narrow 7 Maximum Deviation NXDN Very Narrow Note 3 8 CW ID Deviation NXDN Very Narrow Note 3 9 DQT Deviation Analog Narrow 10 QT Deviation Analog Narrow 11 DTMF Deviation Analog Narrow 1 Test CH Low Low Cen
48. R566 R567 R569 R570 R571 R572 R585 R586 R592 R653 R657 R659 R783 R798 R829 R980 R981 R983 R994 C35 C46 C48 C49 C51 C52 C58 C60 C61 C65 C69 C70 C73 C75 C80 C81 C82 C83 C84 C85 C86 C87 C88 C90 C92 C95 C96 C99 C100 C101 C102 0 11 1M 1M 0 47k 150 100k 100k 0 0 68k 3 9k 12k 0 0 270 100 8 8 10 270 270 470 47 470 470 10 20 0 5 470 470 100 100 3 5 470 2 5 470p 4 0 3p 0 5p 470p 470p 4p 2p 0 22 1 1 0 47k 150 100k 100k 0 0 0 68k 3 9k 12k 270 100 8 8 10 270p 270p 470p 47p 470p 470p 10p 20p 0 5p 470p 470p 100p 100p 3 5p 470p 2 5p 470p 4 0 3p 0 5p 470p 470p 4p 2p C103 C104 C105 C106 C107 C108 C300 C301 C302 C303 C304 C309 C310 C311 C313 C314 C315 C324 C329 C330 C332 C336 C340 C343 C344 C347 C348 C350 C351 C352 C355 C356 C357 C359 C360 C361 C363 C364 C367 C370 C371 C372 C374 C375 C376 C534 C535 C537 C538 C542 0 11 2p 470p 470p 470p 2 470 11 11 24 11 470p 1 5p 270p 100p 0 15u 470p 100p 3p 470p 470p 470p 470p 470p 470p 3 5p 1 15 2 1 4 1 470 10 3p 4p 4p 10 2 20 2 20 470 0 01 1 0 22 2 470 470 470 2 470 11 11 24 11p 470p 1 5p 270p 100p 0 15u 470p 100p 3p 470p 470p 470p 470p 470p 470p 3 5p 1 15 2 1 4 1p 3p 470p 10p 3p 4p 4p 10 2 2u 2 2u 470p 0 01u 1 551 552 555 558 560 561 562 564 565 566 567 568 569 570 571 573 574 575 576 580 582 584
49. RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR Description 10 J 1 16W 47 J 1 16W 47K J 1 16W 47K J 1 16W 47K J 1 16W 0 0 J 1 16W 1 0K J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 10K J 1 16W 1 0K J 1 16W 10K J 1 16W 47 J 1 16W 47 J 1 16W 47K J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 47 J 1 16W 47 J 1 16W 10K J 1 16W 4 7K J 1 16W 1 5 J 1 16W 4 7K J 1 16W 47 J 1 16W 47K J 1 16W 0 0 J 1 16W 4 7K J 1 16W 220K J 1 16W 220K J 1 16W 82K J 1 16W 82K J 1 16W 470 J 1 16W 2 2K J 1 16W 2 2K J 1 16W 100K J 1 16W 100K J 1 16W 1 0K J 1 16W 220 J 1 10W 390 J 1 16W 0 0 J 1 8W ATK J 1 10W 0 0 J 1 8W 330K J 1 10W 470K J 1 16W 560K J 1 16W 0 0 J 1 16W 100K J 1 16W 0 0 J 1 16W 470K J 1 16W 470K J 1 16W 47 J 1 16W 4 7K J 1 16W 10K J 1 16W 22K J 1 16W 0 0 J 1 16W 0 0 J 1 10W 10K J 1 16W 1 0K J 1 16W 1 0K J 1 16W 1 0K J 1 16W 1
50. RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR JUMPER REST MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR Description 1 0K J 1 8W 22 J 1 16W 10K J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W ATK J 1 16W 39K J 1 16W 39K J 1 16W ATK J 1 16W 560 D 1 16W 390 D 1 16W 100K J 1 10W 4 7K J 1116W 68 D 1 16W 100 D 1 16W 1 0K J 1 16W 0 0 J 1 16W 0 0 J 1 16W 120K J 1 16W 0 0 J 1 16W 100 J 1 16W 68K J 1 16W 100 J 1 16W 100 J 1 16W 1 0K J 1 16W 0 0 J 1 16W 2 2K J 1 16W 4 7K J 1 10W 27 J 1 16W 4 7K J 1 16W 10K J 1 16W 22 J 1 10W 22 J 1 10W 4T J 1 10W 100 J 1 16W 4T J 1 10W 0 0 J 1 16W 220K J 1 16W 10K J 1 16W 10K J 1 16W 0 0 J 1 16W 33K J 1 16W 0 0 J 1 16W 22K J 1 16W
51. if ammeter equipped mTest cable for microphone input E30 3360 28 iTuning cable E30 3383 05 GREEN Adapter cable E30 3383 05 is required for injecting an audio if PC tuning is used See PC section for the connection O N lt T No RA011 lt Rev 001 gt 1 23 4 2 Frequency and Signaling The transceiver has been adjusted for the frequencies shown in the following table When required re adjust them following the adjustment procedure to obtain the frequencies you want in ac tual operation frequency 1 4850500 4851000 2 4040000 _ 559000 _ 4 45000 48500000 _ 485 20000 485 20000 e 4854000 48540000 _ re BAnalog Signaling e 0 7 parpozan 8 0010754 07541 D7541 07541 Decode C Encode Code 159D Code 159D FleetSync E 1000 100 1000 Single Tone 1000Hz 2 tone Decode 2 tone Encode A 304 7Hz A 304 7Hz B 3106 0Hz B 3106 0Hz DTMF Tone 1477Hz Single Tone Single Tone 979 9Hz 979 9Hz Noe MSKPN9 PN9 Digital Signaling Signaling RX Decode TX Encode No wu nn RAN 1 Maximum Deviation pattern FSW PN9 MOD Set up 1 Tone Pattern 1031Hz Tone Pattern 1031Hz RAN Radio Access Number PN9 Pseudo Random Pattern for production only 1 To output 150Hz square wave for production only
52. output 80dBm AF Freq 1kHz Mod Dev 1 5kHz 1 IF NXDN Very Narrow RSSI tuning is selected it will align for the NXDN Very Narrow band only 2 If Analog Narrow Band RSSI tuning is seleted Analog Narrow band and NXDN Very Narrow will be align with same tuning value Note 4 1 28 011 lt 001 gt SECTION 5 TROUBLESHOOTING BAfter Changing the PCB 5 1 Replacing TX RX Unit mTX RX unit Information Original TX RX For Service TX RX unit Number unit Number XC1 0010 11 XC2 0020 10 Model Name NX 840HU K XC1 0010 11 XC2 0020 11 XC1 0010 22 XC2 0020 21 mSupplied Accessories of Service TX RX unit Item Including Parts Number Quantity TX RX Unit XC2 002 Model Name Plate li Service TX RX unit Data The following data is written on the service TX RX unit Firmware NX 740H 840H Firmware FPU Data XC2 002 NX 840H 840HU K type data PC program XC2 002 NX 840 M type data ming mode KENWOOD Model name NX 840H NX 840HU or NX 840 Type K or M The same number as the Model Name Plate label is written The same number as the Model Name Plate label is written iModel Name Plate Label Layout EI TT L iIT a IIS s j ee UI I W r asa 2 c F 1 P 8 ee posee
53. signal ouput ouput rr meo O Bue LED contol output key maix oupi fis 0 Keymatix output koy matrix oups Hsu key maxina 36 kw i Keymatixinput s a O 5 _ ister 0 lED daout o LED enais oup 22 LED reset ouput ajno jme i Moswaiu Moswumd 0 POWER Detection input of power wich 1 20 011 lt 001 gt KMO3 Function J700 D SUB 15pin SB Battery voltage DC supply DC 13 6 15 1 0 max sf Ignition sens input 16 0V max E R Speaker output DETO FM detector output 500 5 External transmit signal input 200x50mVp p Programable programmed by FPU 1 0mA max FNC2 Programable programmed by FPU 1 0mA max FNC3 Programable programmed by FPU 1 0mA max FNC4 Programable programmed by FPU 1 0mA max 10 5 Programable l O programmed by FPU 1 0mA max 11 FNC6 Programable l O programmed by FPU 1 0mA max 12 5MS 5V DC power supply 100mA max 13 HR1 Horn alert signal output 16 0V 2 0A max 14 2 Horn alert signal output 16 0V 2 0A max eom 1 2 7 3 Function Port Assignment P x FNG Ps mok O o 3 SP2 FNC1 Nap
54. two tabs of the chassis bottom side by turning the panel assembly 3 3 Correspondence when replacing the LED B30 2321 05 When replacing the LED B30 2321 05 cut the leg of the LED to 4mm 0 16 inch after installing the Collar J31 0565 15 LED gt i 4mm 0 16 inch lt gt Collar SECTION 4 ADJUSTMENT 4 1 Test Equipment Required for Alignment Test Equipment Major Specifications 1 Standard Signal Generator Frequency Range 100 to 520MHz SSG Frequency modulation and external modulation 127dBm 0 1uV to greater than 7dBm 100mV 2 Power Meter Input Impedance 500 JE 5 Operation Frequency 100 to 520MHz Measuring Range Vicinity of 100W Frequency Range 100 to 520MHz 4 Digital Volt Meter DVM Measuring Range 1V to 20V DC Input Impedance High input impedance for minimum circuit loading DC through 30MHz 6 High Sensitivity Frequency Frequency Range 10Hz to 1000MHz 3 Deviation Meter 5 Oscilloscope Frequency Stability 0 2ppm or less NI O O gt 41 rr O r 5 r N gt 8 AF Volt Meter VM Frequency Range 50Hz to 10kHz Voltage Range 1mV to 3V 9 Audio Generator AG Frequency Range 20Hz to 20kHz or more 0 to 1V 10 Distortion Meter Capability 3 or less at 1kHz Input Level 50mV to 10Vrms 11 40 Dummy Load Approx 40 10W or more 12 Regulated Power Supply 13 6V approx 20A adjusted from 9 to 17V Useful
55. 0 1705 TUB nS eX wo 39k lu ANN ANY TAG RSSI 8878 45 RSSI BLULED ss N CN719 IGN Se 152544305 22k 16 sear 5 4 55 R800 783 0 meg TE Ames qM lt 46 35 srs Tere 918 CN718T EG EQ R80 33k Qiu 5 CUIN azl SRST 434 swo 3185 3 DETO 5 R734 eo S C759 16 358 us swo sss 906 754 a 898988 760 220 OT_1 I9 Ot 516 feb 136 2701 CN715 2 R738 Sx MOD2 LSDI 50 A 188 F53 0327 15 t Y 59 RXAFLO 15000 R973 rt TEST_2 VSS9 Ho 5 OPERARE EO x S gil 51 ol2 lo a 3 gt ololo 0 osna C845 VSS3 NC els lex sls amp SNINA CN71 RXAFO An E AA reo 129 818 58 8 8 CN708 Y 7 ALT DATAI 1 C781 DISCFB MOD2 LSDI C833 HSDI D pe 92 NC T uua sS 7 D ANY 1 PLL DATA 846 53 714 5 N xoOUO Sas CN92 7 p 0 19 11 els u R857 Bex PLL LE 1000p p STM32F405ZGT6 SIM2 127 522 188 9999 9190 R783 956 8 2398 54 o Go MOD2 68k 525 8s 0 0 5286 CIK PLL_LE SIM1 Hg D SP AUTE LTCOI4EEBFSS m Q705 55 SP MUTE 0718 EEE BEER SSM3JO5FU F 2 PLL_PDN2 125 M2MUTE KTC4
56. 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 100K J 1 16W 6 8K J 1 16W 6 8K J 1 16W 100K J 1 16W 0 0 J 1 16W 470K J 1 16W 1 0K J 1 16W 1 0K J 1 16W 0 0 J 1 16W 100K J 1 16W 560 J 1 16W 4 7K J 1 16W 680 J 1 16W 0 0 J 1 10W 1 0K J 1 16W 820 J 1 16W 22K J 1 16W 220 J 1 16W 0 0 J 1 16W 22K J 1 16W 47 J 1 16W 82K J 1 16W 100 J 1 16W 0 0 J 1 16W 2 2K J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 470 J 1 16W 330K J 1 16W 470 J 1 16W 82K J 1 16W 0 0 J 1 16W 0 0 J 1 16W 18K J 1 16W 0 0 J 1 10W 560 J 1 16W 100 J 1 16W 100 J 1 16W 0 0 J 1 16W 100 J 1 16W 100 J 1 16W 100 J 1 16W 470 J 1 16W 100 J 1 16W 120K J 1 10W 0 0 J 1 16W 47K D 1 16W 47K D 1 16W 100K J 1 16W 220K J 1 16W 68K J 1 16W 10 J 1 16W 0 0 J 1 16W 1 0K J 1 16W 1 0K J 1 16W 0 0 J 1 16W 33K J 1 16W 5 6K J 1 16W 3 9K J 1 16W 39K J 1 16W 33K J 1 16W 0 0 J 1 16W Local 011 lt 001 gt 3 9 N Symbol R804 R805 R807 R809 811 812 813 815 816 819 820 R821 Part No RK73HB1J104J RK73GB2A104J RK73HB1J102J RK73HB1J103J RK73HB1J000J RK73HB1J000J RK73HB1J104J RK73HB1J102J RK73HB1J224J RK73HB1J104J RK73HB1J104J RK73HB1J000J RK73HB1J393J RK73HB1J104J RK73HB1J104J RK73GB2A100J RK73HB1J101J RK73HB1J104J RK73GB2A000J RK73HB1J123J RK73HB1J101J RK73HB1J473J RK73HB1J104J RK73HB1J101J RK73HB1J104J RK73HB1J473J RK73HB1J101J RK73HB1
57. 000J RK73HB1J102J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J103J RK73HB1J102J RK73HB1J103J RK73HB1J473J RK73HB1J473J RK73HB1J473J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J473J RK73HB1J473J RK73HB1J103J RK73HB1J472J RK73HB1J152J RK73HB1J472J RK73HB1J473J RK73HB1J473J RK73HB1J000J RK73HB1J472J RK73HB1J224J RK73HB1J224J RK73HB1J823J RK73HB1J823J RK73HB1J471J RK73HB1J222J RK73HB1J222J RK73HB1J104J RK73HB1J104J RK73HB1J102J RK73GB2A221J RK73HB1J391 J RK73FB2B000J RK73GB2A473J RK73FB2B000J RK73GB2A334J RK73HB1J474J RK73HB1J564J RK73HB1J000J RK73HB1J104J RK73HB1J000J RK73HB1J474J RK73HB1J474J RK73HB1J473J RK73HB1J472J RK73HB1J103J RK73HB1J223J RK73HB1J000J RK73GB2A000J RK73HB1J103J RK73HB1J102J RK73HB1J102J RK73HB1J102J RK73HB1J102J RK73HB1J474J RK73HB1J472J RK73HB1J472J RK73HB1J104J RK73HB1J000J RK73GB2A000J RK73HB1J101J Part Name MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG
58. 02K CK73HB1H102K CK73HB1A104K CK73HB1A104K CK73HB1H102K CK73HB1A104K CK73HB1A104K CK73HB0J105K CK73HB1A104K CK73HB1H682K CC73HCH1H101J CK73HB0J225K CK73HB1A104K CK73HB1H102K CK73HB1A104K CK73HB1A104K CK73HB1A104K CK73HB1H102K CK73HB1H102K CK73HB1H102K CK73HB1H102K CK73HB1A104K 577 21 220 CK73HB1E103K CK73HB1H102K CK73HB1H102K CK73GB1A105K CK73HB0J105K CK73GB1A105K CK73HB0J105K 577 21 220 CK73HB1H102K CK73HB1A104K CK73HB1A104K CK73HB1A104K CK73HB1A224K CK73HB1A104K CK73GB1C224K CE32BM1C471M CK73HB1H102K CK73GB1H102K CK73HB0J105K CK73HB1H102K CK73HB1H102K CK73HB1A105K CK73GB1A105K CS77BA1C4R7M CK73GB1H102K CS77BA1A100M CE32CL1C470M CS77MB20J101M CK73HB1H102K CK73HB1E103K CE32BD1C471M CK73GB1H102K CK73HB1H102K CE32BD1C471M CK73GB1H102K CK73GB1A105K CK73HB1E103K CK73HB1H102K Part Name C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C
59. 075E Y GR 2 Ras E x fol 2 PLL_PDN2 MIC2MUTE CN929 5 5 0 x ae AMP_SW sg MIC1 Aw Q716 5 0V 7805 MOD1 53 8 532353 33BC 177 5 SSM3JOSFU F 1 8288 f 5 58 LSDO 0 59 2 IN L SHIFTER gt 11 x coo 9TC VDD10 2 2 5 F704 5 a 0 BSFT C847 121 2521 85 ale nle 5 915 C703 001u A 9 2999 60 psFT 55758 sae v x N18 52 2 91455 5 0317 15 2 4 120 T Y 5 opm IC700 5 01 9 VSS4 CN750 gt R823 R8 NC CP708 0 0 TCTWBD125AFK amp 100 1606 p 848 162 vops an RISO 2 ToET z e P 2 R769 FNC1 R798 G C804 cao 2 0 elus 0 R8731900p 63 2 2 CIS ERES 5 CN756 3 VO EXPANDER ANY 725 MESA KMO3 4 CTSO LTCO14EEBFS8 224 9 1 5 5 5 10 C765 3 9k 100p 1000 270 R859 R863 LSDO 0 R881 164 2 R934 CN751 1k MBL c SSM3JO5FU F 3 gt apo 227 100 6 M mo 8883 85 lt lt z 0 176 07 a n SM B 4717 2 33MD BiG x i 865 ANN KM LEDM R940 2 fa 4ND E 2905 Ph 28 S BS p 582 25 25 25 83 1018884 limit 0006 NEL UE TS gh g
60. 0H K NX 840H U K D2 B30 2337 05 LED YELLOW D3 B30 2337 05 LED YELLOW XC1 0010 22 NX 840 M D4 B30 2337 05 LED YELLOW 05 30 2337 05 LED YELLOW Block No 0 2 D20 DA221 DIODE 022 B30 2321 05 LED BLUE LED Symbol No Part No Part Name Description Local D23 B30 2151 05 LED RED GREEN 098 0220820 ZENER DIODE C2 IC3 BD7542FVM MOS IC 301 HA17358BFEL E MOS IC C8 CC73HCH1H101J C CAPACITOR 100PF J cee 9 CK73HB1H102K CAPACITOR 1000PF K pe a E C10 CK73HB1E103K CAPACITOR 0 0100 K 502 XC6209B332M G MOS IC C16 CK73HB1E103K CAPACITOR 0 0100 K 503 HA17358BFEL E MOS IC 627 CC73HCH1H101J C CAPACITOR 100PF J IC700 TC7WBD125AFK MOS IC C29 CK73HB1H102K CAPACITOR 1000PF K IC701 TC7WH126FU F MOS IC C30 CK73HB1H102K CAPACITOR 1000PF 702 PCA9555AHF MOS IC C31 CK73HB1H102K CAPACITOR 1000PF K 703 TC7WT126FU F MOS IC C32 CK73HB1H102K CAPACITOR 1000PF K 704 ADM202EARNZ MOS IC C33 CK73HB1H102K CAPACITOR 1000PF K 705 TC7SETOBFU F MOS IC C34 CK73HB1H102K 1000PF K eran C35 CK73HB1H102K CAPACITOR 1000PF I Scan C36 CK73HB1H102K CAPACITOR 1000PF 710 XC6221B332N G MOS IC C38 CC73HCH1H101J CAPACITOR 100PF J IC713 SM5023CNDH G MOS IC C39 CC73HCH1H101J C CAPACITOR 100PF J o 40 CK73HB1H102K CAPACITOR 1000PF ree Mns s C41 CC73HCH1H101J C CAPACITOR 100PF J 9 IC716 M95512 RDW6TP ROM IC C42 C
61. 11 lt 001 gt 2 4 6 3 Receiving For Digital Data Mode The demodulated signal from 501 Pin13 feed into baseband IC Pin 16 for decoding The decoded digital data will pass to MCU through C BUS MCU determines whether or not to output sound from speaker by check ing if the data match For Digital Voice Mode If the digital data match in MCU the digital voice payload data will goes into Vocoder in MCU for conversion to PCM The PCM data will go to baseband IC through SPI input where it will be converted to analog by DAC Analog voice will be filtered and finally send to audio amplifier 709 Baseband IC714 C BUS Vocoder Y E Vol 0 14 system 2 4 6 4 Transmitting For Digital Data Mode The digital data will be generated by MCU where it wil be pass to baseband IC through C BUS for encoding process The encoded data finally will transmit through TCXO and VCO modulation For Digital Voice Mode The analog voice from mic will go to ADC after audio filter to convert to PCM data The PCM data will send to Vocoder through SPI output Vocoder will convert the PCM to NXDN protocol where it will be sent to baseband through C BUS In baseband IC the data will be encoded and finally transmit through TCXO and VCO modulation IC709 Baseband IC714 MCU C BUS 4 Vocoder From 0 15 transmit system
62. 16W Local N Symbol No R52 R53 R54 R55 R57 R58 R59 R60 R61 R62 R63 R64 R65 R66 R67 R68 R69 R70 R71 R72 R73 R74 R76 R77 R78 R79 R80 R81 R300 R301 R302 R303 R310 R311 R312 R314 R316 R317 R318 R320 R504 R508 Part No RK73FB2B102J RK73HB1J220J RK73HB1J103J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J473J RK73HB1J393J RK73HB1J393J RK73HB1J473J RN73HH1J561D RN73HH1J391D RK73GB2A104J RK73HB1J472J RN73HH1J680D RN73HH1J101D RK73HB1J102J RK73HB1J000J RK73HB1J000J RK73HB1J124J RK73HB1J000J RK73HB1J101J RK73HB1J683J RK73HB1J101J RK73HB1J101J RK73HB1J102J RK73HB1J000J RK73HB1J222J RK73GB2A472J RK73HB1J273J RK73HB1J472J RK73HB1J103J RK73GB2A220J RK73GB2A220J RK73GB2A470J RK73HB1J101J RK73GB2A470J RK73HB1J000J RK73HB1J224J RK73HB1J103J RK73HB1J103J RK73HB1J000J RK73HB1J333J RK73HB1J000J RK73HB1J223J RK73HB1J000J RK73HB1J000J RK73HB1J104J RK73HB1J104J RK73HB1J104J RK73GH2A560D RK73HB1J104J RK73HB1J104J RK73GH2A820D RK73HB1J000J RK73HB1J000J RK73HB1J104J RK73GH2A201D RK73HB1J000J RK73RB2H101J RK73GB2A102J RK73GB2A000J RK73GB2A000J RK73GB2A000J RK73GB2A000J RK73GH2A121D RK73GH2A181D 92 1061 05 RK73HB1J472J RK73HB1J471J RK73HB1J100J RK73HB1J471J RK73HB1J000J RK73HB1J100J RK73GB2A104J RK73GB2A000J RK73HB1J564J RK73HB1J152J Part Name MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG
63. 2 0701 IC709 Q12 Q300 IC714 1 2 Q2 Fig 5 Transmitter system 2 4 3 2 Power Amplifier Circuit The transmit output signal from the VCO passes through the transmission reception selection diode D16 and amplified by Q300 The amplified signal goes to the RF power module IC300 through a low pass filter The lowpass filter removes unwanted high frequency harmonic components and the resulting signal is goes the antenna terminal 011 lt 001 gt 1 11 2 4 3 3 Circuit The automatic transmission power control circuit detects part of a final amplifier output with a coupler circuit and applies volt age to IC301 301 compares the APC control voltage APCC generated by the baseband IC IC 709 and DC amplifier IC503 with the detection output voltage 301 generates the voltage to control 300 and stabilizes transmission output The APC circuit is configured to protect over current of Q300 and IC300 due to fluctuations of the load at the antenna end and to stabilize transmission output at voltage and temperature variations D305 D306 Q300 IC300 D309 D310 RF POWER D16 DRIVE AMP MODULE APCC IC709 pin 32 APC Coupler control circuit 503 301 Fig 6 circuit Power amplifier circuit 2 4 4 PLL Frequency Synthesizer The PLL circuit generates the first local oscillator signal for reception and the RF signal for transmission 2441 Circuit The f
64. 209B332M G als 0304 515 RB706F340 CN700 SURGE 2 R322 R325 R327 R330D301 eis p E40 6847 05 2702 D705 0708 PROTECTION XRX 55 v Aw 1 1 DA221 DA221 DA221 Sieg 99 BT ess 2 5 sla Rex 0 22k 0 155355 TRIPLER See T C517 O OTN 928 0308 2 2ND LOCAL NGA R342 R345 FWDP Hh ASSIST VOLTAGE g 8 4 DC CN 5 o 1 ofa 9500 8 8 38 E 5 8 4080 CN502 po s CN506 8 Lf s 10u QS CN937 Besra 183 DERS 18 1702 521 99 C527 By ne R 8 85V _ R 2 16V 9 e nu A H i 0 01u R2 17V L514 1516 L703 pal E T 500 10 x o ko jo o Jw FE 936 R536 d CN504 18n 18 4121174 R519 ages ons C528 R 0 64V 2 glx C567 C568 C571 C573 12 16706 0 VEE 96452202222 poor 9539 Ree CS ea ue 27 0562 p 0 i LoIN 29 100p 1 100 JegO bus o 13 18707 0 ASSIST FILTER ae lide LoCAP sr IE ne 501 0 01u 120 SES 0 470 BLS we R708 0 28K1824 A R04 11 NAMPo AGNDIN IL KTC4075E Y GR em R 0 10V DNE oye R 2 10v SSk348 C585 0 8 DISPLAY 4 5 R40 560k 30 5 5 sl Pot lee t Tals tals T 5603 i 38 518 470 2 6J 15 R717 1k 12 NAMPI AK2365 AGNDoUT zg 4 181786 Fen of 98 1S 8 Bag
65. 20J CK73HB1A393K CK73GB1H102K CC73HCH1H470J CK73GB1H221K CC73HCH1H101J CK73GB1H471K CK73HB1H471K CC73HCH1H220J Part Name C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR CAPACITOR O CC73GCH1H220J C CAPACITOR CK73HB1H471K CK73GB1H471K C CAPACITOR C CAPACITOR CC73GCH1H470J C CAPACITOR CK73HB1E103K C CAPACITOR CC73HCH1H220J C CAPACITOR CK73GB1H471K CK73HB1H471K C CAPACITOR C CAPACITOR CC73GCH1H101J C CAPACITOR CK73GB1H102K C CAPACITOR CC73GCH1H470J C CAPACITOR CK73GB1H471K CK73GB1H471K CK73GB1H221K CK73HB1A104K CK73HB1A104K CK73HB0J105K CK73HB0J105K CC73HCH1H560J CK73HB1A104K CK73GB1A105K CK73HB1H102K CK73GB1A105K CK73HB1H102K CK73HB1H102K CS77BB21A470M TA E CAPACITOR CS77BB21A470M TA E CAPACITOR CK73HB1E103K CK73HB1H102K CC73HCH1H221J CK73HB1H471K RK73HB1J103J RK73HB1J334J RK73HB1J184J RK73HB1J000J RK73HB1J101J RK73HB1J100J RK73HB1J101J RK73HB1J000J RK73HB1J000J RK73HB1J102J RK73HB1J000J RK73HB1J394J RK73HB1J331J RK73HB1J122J RK73HB1J273J RK73HB1J100J RK73HB1J103J RK73HB1J100J RK73HB1J000J RK73HB1J000J RK73HB1J152J RK73HB1J183J RK73HB1J391J RK73HB1J000J RK73HB1J000J RK73HB1J103J RK73HB1J102J RK73HB1J223J RK73HB1J153J RK73HB1J225J RK73HB1J000J RK73HB1J471J RK73HB1J154J C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR
66. 3 S38 23 ne oye T 2 39V SI POWER MODULE 41 1643 28100 2 q KRX102U 139 abe a 1 2 A ou tT gig 4 tho E BSN MER PLL_DATA 5 DVSS 91529 m 192 0443 05 OTS we o zit OT 818 PLL CLK t S T4 C29 8 1 9 883542 rh R73 pa m EE STE lt EVREF1 75 1 101 a 6 e le 44589 13 0 22 R69 DE D e 2 m 7 OTY gel 8 5 oTe ES ale 1 OTs o 75 d cde m 1 see R22 STE T089V 2 815 ES PLL UL AES 110 92 C67 657 75 130 14 1 R71 R 346V Ons C371 R351 R352 PLL_PDN2 RB Sle 0 5 0 9 ZT 0V B z 100 270p SUE den Vel Be xem 818 5 x R310 pis LUN 3 xi ONT ese LS R359 41 si 2 2 145 8 8 o 881 4p 22 Ssa VSS R356 1 518975 195 3161829 83 Ere 4 1808 e slal ale COUPPLER 0 due Tee R92 1061 05 1 68V 177 3128 05 3 15V gsto 0 01u Suo T o oio 18 e ast E eem 5 P 1p 1P4 OIN 8 5 Ro Tito sc GEG 0305 L407CDB H 3216 R10 228 a A gt TS 935 ov x 9 98 T3 T olo gio 5 Yi O dj E 1 VCoNT 41 82 4 oo 3 4 1310 0306 354 VOD iz 10
67. 30 8 0708 2151418 890 Zz L309 mie CN752 1 Ge 3 F703 N d 60 ER TMEP 2 Q710 R891 1 2 Q L3 oh ici X X Q CN72d C715 N B 1 717 iun 4 emm GN cud 656 C891 5 R875 08 5 R996 R776 1 344 R876 S C300 a 718 Bie 5 Per 56 dor m 9 718 lt K Us y C716 5 o 2 R949 RS i CN711 h L_ C898 R953 Hass 2269 e 8 4 9 E R904 n a L cg 9 5 a O gt x C887 amnis gt R948 5 5 488 RVCO 24 a N S 18 g 0942 10716 R923 ama e 2 01 R922 gt eee 1 ERO 5000 C863 a R899 B F702 O1 E C974 D720 C831 R975 8 O wc TXD gt cw lt O a R974 R977 Mot V EC MOD2 IC719 e ue Rio be GN E 5H I diri EU BI LE en LSDI SN R948 R91 zm gt 2 ad pi 3 24 Coro VW R920 o C502 A SN i F T RLI x av A C880 E CNZ51CN750 2 CN729 CNZ47 0881 o 8 E 5 5 pus 2876 Ub 4 2 E 201 ASTC E m id vog id swe Weng Soh POWER 1888 33MS ow E LAP y H 570 m 1 SQI
68. 3HB1J000J RK73HB1J222J RK73HB1J223J RK73HB1J101J RK73HB1J104J RK73HB1J101J RK73HB1J101J RK73HB1J102J Part Name MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR Description 12K J 1 16W 100K J 1 16W 12K J 1 16W 330K J 1 16W 100 J 1 16W 3 3K J 1 16W 3 3K J 1 16W 0 0 J 1 16W 56K J 1 16W 47K D 1 16W 1 0M J 1 16W 220K J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 100K J 1 16W 0 0 J 1 16W 10 J 1 16W 100 J 1 16W 47K J 1 16W 390K J 1 16W 120 J 1 16W 18K J 1 16W 470K J 1 16W
69. 4 3890 20 a power Deeecionouputorpower switch sie Mosa s Wc 0 mesora Too spe Th Bae i LED enabie inot LEDI LED data input Key matrix output 3 Hskwa Keymetrxoutpat2 1 Key matixinputs 1 2 1 KMO1 BLED GLED Green LED control signal input RLED ER Red LED control signal input 23 MBL MIC backlight control signal input zfs i Speakerin 26 5 Speakerin _ 27 SP Key matrix input 1 Blue LED control signal input Se _ 1 eder 1 Bater votage DC supy _ 1 Battery voltage supy No RA011 lt Rev 001 gt 1 19 1MBL O Backlight of Microphone 2 5 S Bater votage DC surely npn PTT P serial deta trom radio SE f meoo seral data to radio MIC data detection 2 7 2 unit XC1 0010 XX Function 1 8 S Bateryvotage DC surely 2 s8 Batey votage 00 suy O Spearmon a Besermu rs spe jseaernus re spe Speakerinput LEDM O LED LED dimmer output LED dimmer output MBL EE backlight control signal output RLED O Red LED control signal ouput LED control Red LED control
70. B B B B B B B B B B QJ gt gt gt UJ UJ UJ QJ UJ UJ QJ UJ UU UJ UJ UU UJ UJ UU UU QU UJ yy QJ QJ P P GQ 0 0 Q Q Q gt G PL Q Q Q 09 02 02 09 L 09 Q N SN gt gt gt gt gt gt gt gt gt gt gt gt gt gt 1 00 N N N N N gt No RA011 lt Rev 001 gt 2 3 2 3 No RA011 lt Rev 001 gt DISPLAY UNIT 54 3890 20 Component side view 479 0249 29
71. B1J102J MG RESISTOR 1 0K J 1 16W 2 SCR EET R35 RK73HB1J123J MGRESISTOR 12K J 1 16W KTC4075E Y GR TRANSISTOR R36 RK73HB1J472 RESISTOR 4 7K J 1 16W TRANGIGTOR R37 RK73HB1J100J RESISTOR 10J 1 16W Q 3 4 011 lt 001 gt Symbol No Q506 Q700 Q701 Q702 Q703 Q704 Q705 Q706 Q707 Q708 Q709 Q710 Q711 Q712 Q713 Q714 Q715 Q716 Q717 Q718 Q719 Q720 Q721 Q722 Q723 Part No 35 318 25 1824 25 4919 5 LTCO14TEBFS8 25645 KTC4075E Y GR SSM3JO5FU F LTCO44TUBFS8 LTCO14EEBFS8 LTCO14EEBFS8 2581694 2581694 LTCO14EEBFS8 KTC4075E Y GR LTCO44EEBFS8 SSM3KO5FU SSM3KO5FU SSM3JO5FU F SSM3JO5FU F KTC4075E Y GR 254645 LTCO14EEBFS8 SSM3JO5FU F LTCO14EEBFS8 LTCO14EEBFS8 1SV325F 1SV325F 1SV325F 1SV325F 1SV325F 1SV325F 1SV325F 1SV325F 1SV278F RN142S RN142S UDZW5 1 B 155355 5 277 1407 0 1407 0 RB706F 40 RB706F 40 RKP351KW 1P2 RKP351KW 1P2 RB706F 40 1SV305F 1SV305F 1SV305F 1SV305F 1SV305F DA221 DA221 DA221 DA221 DA221 DA221 DA221 DA221 DA221 DA221 DA221 2858 111 1SS372F DB2S310 DB2S310 UDZW18 B RB521S 30 TP Z5W27V DB2S310 DB2S310 CC73HCH1H101J CK73HB1E103K CC73HCH1H101J CC73HCH1H101J CC73HCH1H101J Part Name Description FET FET TRANSISTOR TRANSISTOR FET TRANSISTOR FET TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR FET FET FET FET
72. C CAPACITOR CK73GB0J106K CK73HB1A104K CK73HB1A224K CK73HB1H271K CK73HB1E103K C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR CC73HCH1H101J C CAPACITOR CC73HCH1H101J C CAPACITOR CK73HB1A224K CK73GB0J106K CK73HB1A104K CK73HB0J225K C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR 3 6 No RAO11 lt Rev 001 gt Description 1 5PF B 0 022UF K 270PF J 100PF J 470PF 220PF 22PF J 1000 100PF J 100PF J 0 15UF K 470PF K 100PF J 470PF K ATPF J 22PF J 3 0PF C 0 10UF K 470PF K 470PF K 470PF K 0 010UF K 470PF K 470PF K 0 010UF K 470PF K 3 5PF B 1 0PF C 1000PF K 1000PF K 9 0PF B 15PF J 2 0PF C 1000PF K 1 0PF C 4 0PF D 1 0PF C 3 0PF C 1000PF K 1000PF K 470PF K 0 010UF K 470PF K 10PF D 3 0PF 4 0PF B 4 0PF B 10PF C 2TOPF K 0 10UF K 2TOPF K 0 10UF K 56PF J 1500PF K 0 10UF K 680PF K 1800PF K 33PF J 0 010UF K 22PF J 82PF J 0 010UF K 0 10UF K 1000PF K 39PF J 0 033UF K 82PF J 10UF K 0 10UF K 0 22UF K 2TOPF K 0 010UF K 100PF J 100PF J 0 22UF K 10UF K 0 10UF K 2 2UF K Symbol No C535 C536 C537 C538 C539 C540 C541 C542 C543 C544 718 C719 Part No CK73HB0J225K CK73GB1A105K CK73HB1H471K CK73HB1E103K CK73HB1E103K CK73HB0J225K Part Name C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR CC73HCH1H020B C CAPACITOR CK73HB1A105K CAPACITOR CC73HCH1H100C C CAPACITOR CK73HB1A224K CAPACITOR CC73H
73. C73HCH1H101J C CAPACITOR 100PF J IC717 TA4809BF ANALOGUE IC C43 CK73HB1H471K 470PF d C44 CK73HB1H471K 470PF 45 CK73HB1H471K 470PFK me GRC C46 CK73HB1H471K 470PF 2 47 CK73HB1H102K CAPACITOR 1000PF K oe R1 RK73HB1J101J RESISTOR 100 J 1 16W 722 XC6120N302N G MOS 724 TC7WT126FU F MOS IC R2 RK73FB2B000J MG RESISTOR 0 0 J 1 8W 725 TC7WH126FU F MOS IC R3 RK73HB1J102J MG RESISTOR 1 0K J 1 16W R4 RK73HB1J102J MG RESISTOR 1 0K J 1 16W I i R5 RK73HB1J102J MG RESISTOR 1 0K J 1 16W R6 RK73HB1J102J MGRESISTOR 1 0K J 1 46W x 1 da R7 RK73HB1J102 MG RESISTOR 1 0K J 1 16W gt n isl R8 RK73HB1J102J MG RESISTOR 1 0K J 1 16W d R10 RK73HB1J562J MG RESISTOR 5 6K J 1 46W En i R11 RK73HB1J562J MG RESISTOR 5 6K J 1 16W Q U R12 RK73HB1J682J MG RESISTOR 6 8K J 1 16W Q7 MCH3914 7 H 09 KRX102U TRANSISTOR R21 RK73HB1J222 MG RESISTOR 2 2K J 1 16W Q10 KTC4075E Y GR TRANSISTOR R22 RK73HB1J820J MG RESISTOR 82 1 16W 011 2SC5108 Y F TRANSISTOR R23 RK73HB1J121 MGRESISTOR 120J 1 16W Q12 2SC5108 Y F TRANSISTOR R26 RK73HB1J000 RESISTOR 0 0J 1 16W Q300 RDOOHVS1 1113 FET R27 RK73HB1J000 RESISTOR 0 0J 1 16W Q500 KTC4080E P TRANSISTOR R28 RK73HB1J103J MG RESISTOR 10K J 1 16W Q501 KTC4075E Y GR TRANSISTOR R29 RK73HB1J103J MGRESISTOR 10K J 1 16W gt iN S R34 RK73H
74. CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR E CAPACITOR C CAPACITOR E CAPACITOR E CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR E CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR Description 0 10UF K 1000 0 109 1000 0 10UF 1000 1000 1000 2 20 0 010UF 1 00 0 010UF 1 00 470PF K 1000PF K 0 10UF K 1000PF K 1000PF K 1000PF K 0 10UF K 0 10UF K 1000PF K 0 10UF K 0 10UF K 1 0UF K 0 10UF K 6800PF K 100PF J 2 2UF K 0 10UF K 1000PF K 0 10UF K 0 10UF K 0 10UF K 1000PF K 1000PF K 1000PF K 1000PF K 0 10UF K 22UF 16WV 0 010UF K 1000PF K 1000PF K 1 0UF K 1 0UF K 1 0UF K 1 0UF K 22UF 16WV 1000PF K 0 10UF K 0 10UF K 0 10UF K 0 22UF K 0 10UF K 0 22UF K 470UF 16WV 1000PF K 1000PF K 1 0UF K 1000PF K 1000PF K 1 0UF K 1 0UF K 4 7UF 16WV 1000PF K 10UF 10WV 47UF 16WV 100UF 6 3WV 1000PF K 0 010UF K 470UF 16WV 1000 1000 470UF 16WV 1000 1 0UF K 0 010UF K 1000PF K No RA011 lt Rev 001 gt 3 7 N Symbol C941 C942 C944 C945 C947 C948 C949 C950 C951 C952 C954 C955 R51 Part No CK73EB1E106K CK73HB1H102K CK73FB1E225K CK73HB1A104K CC73HCH1H2
75. CAPACITOR CS77MA1VOR1M TA E CAPACITOR CK73HB1H471K C CAPACITOR CC73HCH1H101J C CAPACITOR 1 080 C CAPACITOR CK73HB1H471K CAPACITOR 1 C CAPACITOR CC73HCH1H080B C CAPACITOR CC73HCH1H330J C CAPACITOR CC73HCH1H100B C CAPACITOR CK73HB1H271K CAPACITOR CK73HB1H271K CAPACITOR C93 0787 05 C CAPACITOR CK73HB1A104K CAPACITOR CK73HB1H471K CAPACITOR CC73HCH1H470J C CAPACITOR CC73HCH1H470J C CAPACITOR CK73HB1H471K CAPACITOR CK73HB1H471K CAPACITOR CK73FB0J106K CAPACITOR 1 100 C CAPACITOR CC73HCH1H101J C CAPACITOR CCT3HCH1HR75B C CAPACITOR CC73HCH1H200J C CAPACITOR CC73HCH1HORSB C CAPACITOR CK73GB1HA71K CAPACITOR CK73GB1HA71K CAPACITOR CC73HCH1H101J C CAPACITOR CC73HCH1H101J C CAPACITOR CC73HCH1H3R5B C CAPACITOR CK73GB1H471K CAPACITOR CC73HCH1H2R5B C CAPACITOR 1 060 CAPACITOR CK73GB1H471K CAPACITOR 1 080 CAPACITOR 1 040 CAPACITOR 1 060 CK73HB1H471K C CAPACITOR CC73HCH1H0R3B C CAPACITOR CC73HCH1H0R5B C CAPACITOR CS77BB21C100M TA E CAPACITOR CK73HB1H471K CAPACITOR CK73HB1H471K CAPACITOR CK73HB1H471K CAPACITOR CC73HCH1H040B C CAPACITOR 1 020 C CAPACITOR CC73GCH1H020B C CAPACITOR CK73HB1H471K CAPACITOR CK73HB1H471K CAPACITOR CK73HB1H471K CAPACITOR CC73GCH1H020B C CAPACITOR CK73HB1H471K CAPACITOR CC73GCH1H110J C
76. CAPACITOR CC73HCH1H101J C CAPACITOR CK73HB1H471K CK73HB1H471K CK73HB1H103K CC73HCH1H101J CK73HB1H471K C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR CC73HCH1H101J C CAPACITOR CK73HB1A104K CK73HB1H471K CK73HB1H471K CC73HCH1H101J CK73HB1H471K CC73HCH1H101J C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR Description 2 2UF K 1 0UF K 470PF K 0 010UF K 0 010UF K 2 2UF K 2 0PF B 1 0UF K 10PF C 0 22UF K 2 0PF B 0 47UF K 1000PF K 0 010UF K 0 10UF K 0 010UF K 470PF 13PF J 0 010UF K 470PF K 0 22UF K 470PF ATOPF 0 010UF K 470PF ATOPF K 470PF 470PF 15 J 3 5 B 0 75 B 1 0PF B 4 5PF B 15 J 1 5PF B 1000PF K 2 0PF B 15PF J 3 0PF B 470PF K 470PF 0 10UF K 470PF 470PF 470PF 470PF 470PF 470PF K 2 0PF B 15 J 3 0PF B 1000PF K 3 5PF B 15 J 5 0PF B 30PF J 4 0PF B 1 5PF B 470PF 470PF 100PF J 0 010UF K ATOPF K 100PF J 470PF 100PF J 470PF ATOPF K 0 010UF K 100PF J 470PF 100PF J 0 10UF K ATOPF K 470PF 100PF J 470PF 100PF J Local Symbol No C720 C721 Part No CK73HB1H471K CK73HB1H471K CC73HCH1H101J CK73HB1H471K CK73HB1H471K CK73HB1H471K CK73HB1H471K CC73HCH1H101J CC73HCH1H101J CK73HB1H103K CK73GB1A105K CK73HB0J105K CK73HB0J105K CK73HB1H103K CK73HB1H471K CK73GB1C104K CK73HB0J105K CK73HB1A104K CK73HB1H102K CK73HB1A104
77. CH1H020B C CAPACITOR CK73HB1A474K CK73HB1H102K CK73HB1E103K CK73HB1A104K CK73HB1E103K CK73HB1H471K CC73HCH1H130J CK73HB1E103K CK73HB1H471K CK73HB0J224K CK73GB1H471K CK73HB1H471K CK73HB1E103K CK73HB1H471K CK73HB1H471K CK73HB1H471K CK73HB1H471K C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR CC73HCH1H150J CAPACITOR CC73HCH1H3R5B C CAPACITOR CC73HCH1HR75B C CAPACITOR CC73HCH1H010B C CAPACITOR CC73HCH1H4R5B C CAPACITOR CC73HCH1H150J C CAPACITOR CC73HCH1H1R5B C CAPACITOR CK73HB1H102K CAPACITOR CC73HCH1H020B C CAPACITOR CC73HCH1H150J C CAPACITOR CC73HCH1H030B C CAPACITOR CK73HB1H471K CK73HB1H471K CK73HB1A104K CK73HB1H471K CK73HB1H471K CK73HB1H471K CK73HB1H471K CK73HB1H471K CK73HB1H471K C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR CC73HCH1H020B CAPACITOR CC73HCH1H150J C CAPACITOR CC73HCH1H030B C CAPACITOR CK73HB1H102K CAPACITOR CC73HCH1H3R5B C CAPACITOR CC73HCH1H150J C CAPACITOR CC73HCH1H050B C CAPACITOR CC73HCH1H300J C CAPACITOR CC73HCH1H040B C CAPACITOR CC73HCH1H1R5B C CAPACITOR CK73HB1H471K CK73HB1H471K C CAPACITOR C CAPACITOR CC73HCH1H101J C CAPACITOR CK73HB1H103K CK73HB1H471K C CAPACITOR C CAPACITOR CC73HCH1H101J C CAPACITOR CK73HB1H471K
78. D310 BPF L512 L513 and varactor diodes D504 D505 After the signal is amplified 0506 the signal is filtered by BPF L506 L507 L508 and varactor diodes D501 D502 0503 to eliminate unwanted signals before it is passed to the first mixer The voltage of these diodes are controlled by the TVC according to the channel frequency See Figure 2 2 4 2 2 First Mixer The signal from the RF amplifier is heterodyned with the first local oscillator signal from the PLL frequency synthesizer circuit at the first mixer Q503 to create 49 95MHz first intermediate frequency 1st IF signal The first IF signal is then fed through one pair of monolithic crystal filter MCF XF500 to further remove spurious signals 2 4 2 3 IF Amplifier Circuit The first IF signal is amplified by Q501 and the enters 501 FM processing The signal is heterodyned again with a second local oscillator signal within IC501 to create a 450kHz second IF signal The second IF signal is fed through 450 kHz filter 501 to further eliminate unwanted signals before it is amplified and FM detected in IC501 1 10 011 lt 001 gt 2 4 2 4 AF Signal System The detection signal from FM 16501 goes to the baseband 10709 DISC input 16 after pass through 500 for character izing the signal Analog signal The demodulated AF signal pass through IC709 with the signal processing and output at AUDIO pin26 to the
79. DS CORE BEADS CORE FLAT CABLE CONNECTOR CHIP COM 100 J 1 16W CHIP COM 100K J 1 16W CHIP COM 100K J 1 16W CHIP COM 100K J 1 16W CHIP COM 47 J 1 16W CHIP COM 1 0K J 1 16W CHIP COM 47K J 1 16W Symbol No CP707 CP708 F700 F701 F702 F703 F704 J700 J701 TH301 TH302 TH303 TH502 X1 X700 XF500 Part No Part Name Description Local RK75HA1J102J 1 0K J 1 16W RK74HA1J102J 1 0K J 1 16W F53 0324 15 FUSE 2 5A F53 0327 15 FUSE 4A F53 0324 15 FUSE 2 5A F53 0317 15 FUSE 500 53 0317 15 FUSE 500 58 0567 05 SUB SOCKET D E1B 0001 00 3 5D PHONE JACK B57331V2104J THERMISTOR B57331V2104J THERMISTOR B57331V2104J THERMISTOR NCP18WM474J0S THERMISTOR L77 3128 05 16 8 2 L77 3129 05 TCXO 19 2MHZ L71 0684 05 MCF 49 95MHZ No RAO11 lt Rev 001 gt 3 11 Packing materials and accessories parts list Packing and accessories Symbol No 5 0031 10 5 0030 10 E30 7523 55 F52 0024 05 F52 0023 05 H12 3178 05 H52 2674 02 J19 1584 15 J29 0726 03 N99 2039 05 T91 0624 65 T91 0639 65 3 12 No RAO011 Rev 0012 Part Name Description INSTRUCTION MANUAL INSTRUCTION MANUAL DC CORD ASSY ACCESSORY FUSE BLADE 15 ACCESSORY x2 FUSE BLADE TYPE 10A ACCESSORY x2 PACKING FIXTURE x2 ITEM CARTON CASE HOLDER MIC HANGER BRACKET ACCESSORY SCREW SET MICROPHONE
80. E Vol before the Audio amplifier IC719 AF signal from IC719 switches between the internal speaker and speaker jack J701 output NXDN Digital signal The recovered 4L FSK signal obtained from IC501 is decoded in the baseband IC IC709 Decoded signal is fed into microprocessor IC714 and converted to PCM audio signal and return to baseband IC 709 for con verting to audio signal This audio signal will output at AUDIO pin26 to the E Vol before the Audio amplifier IC719 The AF signal from IC719 switches between the internal speaker and speaker jack J701 output 501 500 709 IC715 IC719 Baseband IC Build Vocoder Fig 3 AF signal system 2 4 2 5 Squelch Circuit Part of the AF signal goes a rectifier circuit to produce DC voltage corresponding to the noise level after filtering and amplification This DC voltage send to MCU 10714 SQIN input pin The MCU controls squelch according to the voltage SQIN level The signal from the RSSI pin of 16501 is monitored The electric field strength of the receive signal can be known before the SQIN voltage is input to the MCU and the scan stop speed is improved Q500 Q502 Noise DET NAMPO Noise AMP Fig 4 Squelch circuit 2 4 3 Transmitter System 2 4 3 1 Outline The transmitter circuit produces and amplifies the desired frequency directly It FM modulates the carrier signal by means of a varicap diode ANT MIC IC706 071
81. F NO LOCATION REF NO LOCATION REF NO LOCATION REF NO LOCATION REF NO LOCATION REF NO LOCATION B 2B A 3B A 2B A 2B A 2B A 2A B 2A B 2A B 1B A 2A A 2C B 2B B 2B B 2B CJ UJ UU gt QJ UJ UU UJ QJ N N 00 U gt gt U U U U UJ CAPACITOR B 3B 2 2 2 2 4 4 B 4B B 4B B 3B B 4B B 4B B 4B B 3A B 3B B 4B B 3B B 4A B 3B B 4A B 4A B 3A B 4A B 4B B 4B B 4B B 3B B 3B B 4B m gt gt gt gt gt DZ gt gt gt Q gt gt Z G D D Q gt WHA QG IS IS N N N G S N N N N OQ Z OW 00 gt gt gt gt gt gt gt G N N N N N Q Q IS Q Q Q Q S B B B P P E P G d P C gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt A A A A A A A A B B B B A A A A R B B
82. HB1J561J RK73HB1J101J RK73HB1J101J RK73HB1J000J RK73HB1J101J RK73HB1J101J RK73HB1J101J RK73HB1J471J RK73HB1J101J RK73GB2A124J RK73HB1J000J RK73HH1J473D RK73HH1J473D RK73HB1J104J RK73HB1J224J RK73HB1J683J RK73HB1J100J RK73HB1J000J RK73HB1J102J RK73HB1J102J RK73HB1J000J RK73HB1J333J RK73HB1J562J RK73HB1J392J RK73HB1J393J RK73HB1J333J RK73HB1J000J Part Name MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR Description 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0 0 J 1 16W 0
83. I2CDT I2CCK 12 evor O Funston PACE Tor EVOL 15 EVOL O FunonPSCIKTEVOL EVOL DATA 0 Function PADATA orEVOL ND vss VDD 33MD BEEP for Side Tone 1 Noconnecion 1 16 No RA011 lt Rev 001 gt Function Pin Port Name No PCBVER version identification 2 IFDET IFDET for ACR improvement 2 optional Adjustment T owm ozM 2 5 25 RESET 1 MCUResetpin 0 25 sb 1 uow Speed Data input High Speed Data Input 25 Teme 1 Temp __ 1 2 5 9 vo ao aps fend RE Ta VDDA TEST TX TEST RX em _ s ws _ Port Function No voo Bow LSDO Low Speed Data Output 41 IHSDO High Speed Data Output OGG E 33C Control 5CC 5C Control 44 SQIN Squelch Input RSSI RSSI Input BATT Battery Voltage CVIN VCO Lock Voltage BOOT 1 Test Point to enable Bootloader TEST 1 Test Point 1 for Debug TEST 2 Test Point 2 for Debug le s von PLL DATA PLL IC Data PLL LE PLL IC Enable PLL CLK E PLL IC Clock PLL PDN2 PLL IC Power Down PA E Public Address SW EI AF amplifier so ferc 0 aT Conta 60 BSFT Beat Shift VDD 33MD KMO3 Key Matrix Output 3 KMO2 Key Matrix Output 2 KMO1 1 66 KMM Matrix Input 1
84. J000J RK73HB1J473J RK73HB1J000J RK73HB1J103J RK73HH1J124D RK73HH1J224D RK73HB1J820J RK73HB1J000J RK73HB1J682J RK73GB2A000J RK73HB1J472J RK73HB1J000J RK73HB1J222J RK73HB1J473J RK73HH1J334D RK73HH1J154D RK73HB1J332J RK73HB1J220J RK73HB1J474J RK73HB1J820J RK73HB1J000J RK73HB1J102J RK73HB1J473J RK73HB1J102J RK73HB1J102J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J473J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J104J RK73HB1J123J RK73HB1J000J RK73HB1J105J RK73HB1J153J RK73HB1J102J RK73HB1J102J RK73HB1J222J RK73HB1J102J RK73GH2A134D RK73GH2A123D RK73HB1J000J RK73HB1J000J RK73HB1J000J RK73HB1J473J RK73HB1J104J RK73HB1J102J RK73HB1J103J Part Name MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR MG RESISTOR
85. K CK73HB1A105K CK73HB1A105K CK73HB1A105K CK73HB1A105K CK73FB0J106K CC73HCH1H101J CC73HCH1H680J CK73HB0J105K CK73HB0J105K CK73HB1H103K CK73HB1A104K CK73HB1A104K CK73HB0J105K CK73GB0J475K CK73HB1C333K CC73HCH1H101J CC73HCH1H101J CC73HCH1H101J CC73HCH1H101J CC73HCH1H101J CC73HCH1H101J CC73HCH1H101J CC73HCH1H101J CC73HCH1H101J CK73HB1E223K CC73HCH1H101J CK73HB0J105K CK73HB1A104K CK73HB1A104K CK73GB0J106K CK73HB1A104K CK73HB0J105K CK73HB1H471K CK73HB0J105K CK73HB1A104K CK73GB0J106K CK73HB0J105K CK73GB1C104K CK73GB1H471K CK73FB0J106K CC73HCH1H101J CK73HB0J475M CC73HCH1H101J CK73HB1H271K CK73FB0J106K CK73HB1E103K CK73GB1A105K CK73GB0J106K CK73HB1H102K CK73HB1H103K CK73HB1A683K CK73HB1H103K CK73HB1E103K CK73HB1A104K CK73GB1H104K CK73HB1E103K CK73HB1A104K CK73HB1A104K Part Name C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR
86. KENWOOD SERVICE MANUAL UHF DIGITAL TRANSCEIVER NX 840H 840 Note Lead free solder used in the board material Sn Ag In Bi melting point 227 Centigrade TABLE OF CONTENTS T PRECAUTION 24 5 25x06 3 875 ICI m ADR a 1 4 2 SPECIFIC SERVICE 1 4 3 DISASSEMBLY aaa pag a su babi ua q a m maa 1 21 4 ADJUSTMENT eh 1 23 5 TROUBLESHOOTING 3 2 35 23 479 9 9 4 8 2 00 8 887 RR 9a CI OEC CR BER REED 3 DT RR ACA eT 1 29 This product complies with the RoHS directive for the European market This product uses Lead Free solder B5B 7127 00 COPYRIGHT 2014 JVC KENWOOD Corporation No RA011 lt Rev 001 gt 2014 5 Document Copyrights Copyright 2014 by JVC KENWOOD Corporation All rights reserved No part of this manual may be reproduced translated distributed or transmitted any form by any means electronic mechan ical photocopying recording or otherwise for any purpose without the prior written permission of JVC KENWOOD Corporation Disclaimer While every precaution has been taken in the preparation of this manual JVC KENWOOD Corporation assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of the information contained herein JVC
87. KENWOOD Corporation reserves the right to make changes to any products herein at any time for improvement purposes Firmware Copyrights The title to and ownership of copyrights for firmware embedded in KENWOOD product memories are reserved for JVC KENWOOD Corporation Any modifying reverse engineering copy reproducing or disclosing on an Internet website 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 Transceivers containing AMBE 2 Vocoder The AMBE 2 voice coding technology is embedded in the firmware under the license of Digital Voice Systems Inc 1 2 No RAO11 Rev 001 SPECIFICATION GENERAL Frequency Range 450 520MHz Number of Channels Max 32ch Number of Zones 2 zones Max 16ch per Zone Channel Spacing 12 5kHz Digital 6 25kHz Operating Voltage 13 6V DC 15 Operating Temperature Range 22 F 140 F 30 60 C Frequency Stability 1 0ppm Antenna Impedance 500 Dimensions W x H x D 160 x 43 x 122 6 mm 6 29 x 1 69 x 4 82 in Projections not included Weight net Radio only 1 10 kg 2 42 lb RECEIVER Sensitivity Digital 0 28uV Analog 12dB SINAD 0 28uV Selectivity 65dB Intermodulation Distortion 65dB Spurious Response 75dB Audio Output 4Q impedance 4W with less than 5 distortion T
88. N i O R509 C707 E B N colD7 c 0705 708 LR c IC500 gt CN700 R735 737 GND Busy 1500 1 2 3 4 No RA011 lt Rev 001 gt 2 1 2 1 No RA011 lt Rev 001 gt TH301 C35 J J7C 0002 10 00 O OO XC1 001 R980 i 2 O O O OG 0 10 0 11 9 EE 0 12 R983 0 21 R653 0 22 0 23 TX RX UNIT 1 0010 11 NX 840H K NX 840H U K 1 0010 22 NX 840 M Foil side view J7C 0002 10 0715 R789 C745 786 R741 R356 4 9 O Q702 an C950 C952 C955 DJ C965 C987 R744 0703 C768 C364 C766
89. OR CK73GB1HA71K CAPACITOR CC73GCH1H470J C CAPACITOR CC73GCH1H220J C CAPACITOR C93 0553 05 CK73HB1A104K CK73GB1H471K CK73HB1H471K CK73GB1H471K CK73GB1H103K CK73HB1H471K CK73HB1H471K CK73GB1H103K CK73HB1H471K CC73GCH1H3R5B C93 0550 05 C93 0603 05 C93 0603 05 C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR CC73GCH1H090B CAPACITOR CC73GCH1H150J C CAPACITOR C93 0552 05 CK73GB1H102K C93 0550 05 CM73F2H040D C93 0550 05 C93 0553 05 CK73GB1H102K CK73HB1H102K CK73HB1H471K CK73HB1E103K CK73HB1H471K C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR CC73HCH1H100D C CAPACITOR 1 CAPACITOR CC73HCH1H040B C CAPACITOR CC73HCH1H040B C CAPACITOR CC73HCH1H100C C CAPACITOR CK73HB1H271K CK73HB1A104K CK73HB1H271K CK73HB1A104K CC73HCH1H560J CK73HB1H152K CK73HB1A104K CK73HB1H681K CK73HB1H182K C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR CC73HCH1H330J C CAPACITOR CK73HB1E103K C CAPACITOR CC73HCH1H220J C CAPACITOR CC73HCH1H820J C CAPACITOR CK73HB1E103K CK73HB1A104K CK73HB1H102K CC73HCH1H390J CK73HB1A333K C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR CC73HCH1H820J
90. RANSMITTER RF Power Output SW 45W NX 840H 5W 25W 840 Spurious Response 70dB FM Hum amp Noise Anaig 4098 Audio Distortion Less than 5 Modulation 11KOF3E 4K00F1E 4K00F1D 4KOOF7W 4K00F2D Measurements made per TIA EIA 603 and specifications shown are typical JVC KENWOOD Corporation reserves the right to change specifications without prior notice or obligation No RA011 lt Rev 001 gt 1 3 SECTION 1 PRECAUTION This service manual does not describe PRECAUTION SECTION 2 SPECIFIC SERVICE INSTRUCTIONS 2 1 SYSTEM SET UP 450 520 NX 840 M Choose the type of transceiver 450 520 NX 840H K 450 520 NX 840H U K Transceiver programming A personal computer programming interface KPG 46A 46U and FPU programming software are required for programming KCT 60 Option d KCT 36 Extension cable Option Option Option KES 3 KCT 18 KES 5 External speaker Ignition sense cable External speaker 2 2 REALIGNMENT 2 2 2 How to Enter Each Mode Option User mode Data programming mode PC test mode PC tuning mode User mode For normal use Received commands from PC Clone mode y Power ON Two seconds PC mode Used for communication between the transceiver and PC IBM compatible PC programming Used to read and write frequency data mode and other features to and from the transceiver PC test mode Used to check the transceiv
91. TRANSISTOR FET TRANSISTOR FET TRANSISTOR TRANSISTOR VARIABLE CAPACITANCE DIODE VARIABLE CAPACITANCE DIODE VARIABLE CAPACITANCE DIODE VARIABLE CAPACITANCE DIODE VARIABLE CAPACITANCE DIODE VARIABLE CAPACITANCE DIODE VARIABLE CAPACITANCE DIODE VARIABLE CAPACITANCE DIODE VARIABLE CAPACITANCE DIODE DIODE DIODE ZENER DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE VARIABLE CAPACITANCE DIODE VARIABLE CAPACITANCE DIODE VARIABLE CAPACITANCE DIODE VARIABLE CAPACITANCE DIODE VARIABLE CAPACITANCE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE ZENER DIODE DIODE SURGE ABSORBER DIODE DIODE 50V 1W 50V 1W C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR C CAPACITOR 100PF J 0 010UF K 100PF J 100PF J 100PF J Local Symbol C14 C15 C16 C17 C18 C19 C21 C22 C23 C24 C25 C26 C27 C28 Part No Part Name CK73HB1H271K CAPACITOR CK73HB1H103K CAPACITOR CK73HB1E103K CAPACITOR CC73HCH1H100B C CAPACITOR CK73HB1A104K CAPACITOR CC73HCH1H101J C CAPACITOR CK73HB1A473K CAPACITOR CK73HB1E103K CAPACITOR CC73HCH1H100B C CAPACITOR CK73HB1E103K CAPACITOR CK73HB1E103K CAPACITOR CC73HCH1H101J C CAPACITOR CC73HCH1H101J C CAPACITOR CK73HB1A224K CAPACITOR CK73HB1A224K CAPACITOR CK73HB1H271K CAPACITOR CK73HB1E103K CAPACITOR O CS77MA1D1R5M TA E CAPACITOR CK73HB1H271K C
92. U cs EEP WP Fig 9 Memory circuit LEDM Q5 SW Display 7 LED O 0 Al LELH driver D1 D5 Key backlight MBL Q3 Q4 gt M SW SW GLED Q1 Q7 SW SW Q2 Q8 SW SW BLED Q6 M SW IC714 MCU Fig 10 Dsplay circuit 011 lt 001 gt 1 13 2 4 5 3 Key Matrix Circuit The front panel has function keys Each of them is connected to a cross point of a matrix of the KMI1 to KMO3 ports of the micro processor The 1 to KMO3 ports are always high while the to KMI3 ports are always low The microprocessor monitors the status of the KMI1 to KMO3 ports If the state of one of the ports changes the microprocessor assumes that the key at the matrix point corresponding to that port has been pressed IC714 MCU Fig 11 Key matrix circuit 2 4 6 Signaling Circuit 2 4 6 1 Encode 1 Low speed data QT DQT Low speed data is output from pin 40 LSDO of the MCU IC714 The signal passes through a low pass CR filter The signal is mixed with the audio signal and goes to the VCO TCXO 1 modulation input after signal processing the baseband IC 709 2 High speed data 2 tone High speed data HSD is output from pin 41 HSDO of the MCU The signal passes through a low pass CR filter TX deviation making an adjustment by microprocessor is applied to the base band 709 signal is mixed with th
93. a 0252022652602 6626022526224 011 lt 001 gt 2 9 2 9 011 lt 001 gt EXT SP O PARTS LIST INX 840H NX 840H U NX 840 SAFETY PRECAUTION Parts identified by the symbol are critical for safety Replace only with specified part numbers BEWARE OF BOGUS PARTS Parts that do not meet specifications may cause trouble in regard to safety and performance We recommend that genuine parts be used x in a description column shows the number of the used part Contents Exploded view of general assembly and parts list 3 2 Electrical parts list n stp di utt 3 4 Packing materials and accessories parts list 3 12 011 lt 001 gt 3 1 Exploded view of general assembly and parts list Block No M1MM 3 2 No RA011 lt Rev 001 gt General assembly A Symbol No Part No A02 4073 21 0004 00 09 0732 03 B4D 0003 00 B10 2794 03 E04 0167 15 E23 1346 04 E30 7684 25 E37 1461 05 G53 1643 04 G53 1662 04 G53 1819 21 G53 1820 03 J19 5528 03 K29 9448 01 16 T07 0785 15 F10 3140 13 N35 2604 43 N67 3008 48 N80 2008 48 N87 2608 48 XC2 0020 10 XC2 0020 11 XC2 0020 21
94. arget 4 Press the S key on the source transceiver The data of the source is sent to the target While the source is sending data red LED blinked While the target is receiving the data is displayed green LED blinked When cloning of data is completed the source displays En and the source red LED turned off and the target automatically operates in the User mode The target can then be operated by the same program as the source 5 The other target can be continuously cloned Carry out the operation in step 2 to 4 2 2 4 1 Adding the data password If the data password is set in the optional feature menu you must enter the password Source transceiver to activate a clone mode You can use 0 9 to configure the password The maximum length of the password is 6 digits 1 Power ON 2 PS is displayed on the LED 3 If the A and xz keys is pressed while PS is displayed numbers 0 to 9 are displayed flashing When you press the C gt key the currently selected number is determined If you press the S key after entering the password in this procedure cL is displayed if the entered password is cor rect If the password is incorrect PS is redisplayed Cloning cable E30 3382 05 Fig 2 No RAO11 lt Rev 001 gt 1 5 2 2 4 2 Flow chart Source transceiver Press x7 key Power ON for 2 seconds Is password set Read Authorization passw
95. e audio signal and goes to the VCO The side tone is audio ouput of baseband IC IC709 at the same time to audio power amplifier and then to the speaker 3 MSK DTMF MSK and signal is self genarated by the baseband IC IC709 The TX deviation adjustment is done by the output gain of baseband IC IC709 and is routed to the VCO When encoding MSK DTMF the microphone input signal is muted TCXO IC709 MOD QT DQT Baseband IC DTMF HSDO MSK Fig 12 Encode 2 4 6 2 Decode 1 Low speed data QT DQT The demodulated signal from the FM IC IC501 will input to baseband IC IC701 to remove frequency above 300Hz The signal is input to pin 26 LSDI of the MCU The MCU digitizes this signal performs processing such as DC restoration and decodes the signal 2 High speed data 2 tone The demodulated signal from the FM IC IC501 is amplified by baseband IC and passes through a band pass filter in IC709 to remove frequency of 3kHz or above and 300 2 or below MCU digitizes this signal anddecodes the signal after receive the signal at pin 27 HSDI 3 MSK DTMF The demodulated signal from theFM IC IC501 will input to baseband IC IC709 then the baseband IC will decode and send the decode information to MCU by the data line The MCU then processes the decoded information Baseband DTMF MSK decode data DTMF MSK decode LSDI QT DQT HSDI 2 TONE Fig 13 Decode MCU 1 14 0
96. e to pins 13 and 14 of the square plug 4 Connect the square plug to the 15 pin connector of the KCT 60 5 Connect the remaining two Horn alert cables to your car Horn alert signal control The internal FET switch can be controlled by turning the HA function on off and by using a signaling decode output The maximum current of HA is 2A This FET switch is the open drain circuit Therefore a DC power supply is necessary to use the HR1 The voltage range is from 5V to 16V 1 SB 1 SB Default More than 8 O 5 913 HR1 13 HR1 13 HR1 14 HR2 14 HR2 14 HR2 More than 8 O 3 GND 3 GND 3 GND A Crimp terminal Horn alert cable 2 3 3 Ignition Sense Cable KCT 18 Option 18 is optional cable for enabling the ignition func tion The ignition function lets you turn the transceiver power on and off with the car ignition key 2 3 3 1 Installing the 18 Ignition sense cable in the transceiver 1 The KCT 18 can be installed in the transceiver by the fol lowing two methods Method A Method B Method A The 18 is soldered to the IGN pad on the unit Method B The KCT 18 is connected to the 15 pin connec tor of the KCT 60 connected to the transceiver installation Procedure Method 1 Remove the two screws on both the right and left sides of the transceiver then remove the cabinet and top pack ing from the transceiver 2 Cut the crimp terminal side of the KCT 18 us
97. er using the PC This feature is included in the FPU PC tuning mode Used to tune the transceiver using the PC Clone mode Used to transfer programming data from one transceiver to another 1 4 No RAO11 Rev 001 2 2 3 Mode 2 2 3 1 Preface The transceiver is programmed using personal computer programming interface KPG 46A 46U and FPU programming software The programming software can be used with PC Figure 1 shows the setup of a PC for programming KPG 46A or KPG 46U Tuning cable E30 3383 05 KPG 46U Fig 1 2 2 3 2 Connection procedure 1 Connect the transceiver to the computer using the interface cable Note You must install the KPG 46U driver in the computer to use the USB programming interface cable 460 2 When the Power is switched on you can immediately enter user mode When the PC sends a command the transceiv er enters PC mode and Pc is displayed on the LED When data is transmitting from the transceiver the red LED blinks When data is receiving by the transceiver the green LED blinks Note The data stored in the computer must match the Model Name when it is written into the EEPROM 2 2 3 3 KPG 46A description PC programming interface cable Option The KPG 46A is required to interface the transceiver to the com puter It has a circuit in its D sub connector 46 9 pin case that converts the RS 232C logic level to the TTL level T
98. gt 1 21 Note When you supply power to the TX RX PCB after remov ing the TX RX PCB from the chassis solder the positive and ground terminals of the DC cord Recommendation E30 3448 25 to the and GND terminals of the TX RX PCB Component side 1565 6 Pull it out behind chassis rotating the bush 3 of the DC cord 90 degrees in the direction of the arrow after the screw 1 in the negative terminal is removed and the pos itive terminal 2 is removed from the chassis DC cord 1 QUT ar gt 3 2 Precautions for Reassembly 1 When mounting the speaker holder while suppressing the speaker rear part shaded area fix the four tabs of the speaker holder into the hollows of the front panel in order 1 2 3 Then tighten the two screws of the display PCB 2 Speaker holder 11 5 Display 7 Z E Speaker 2 1 22 011 lt 001 gt 2 When mounting the panel assembly pass the flat cable through the hole of the chassis as shown below then con nect the flat cable to connector of the panel assembly Panel assembly Panel assembly Hole of the chassis Chassis Chassis 3 Fit the panel assembly into the two tabs of the chassis top side first Then fit the panel assembly into the
99. he KPG 46A connects the 8 pin microphone connector of the transceiver to the RS 232C serial port of the computer 2 2 3 4 460 description USB programming interface cable Option The KPG 46U is a cable which connects to a USB port on a com puter When using the KPG 46U install the supplied CD with driver software in the computer The KPG 46U driver runs under Win dows XP Vista 7 or 8 The latest version of the USB driver is available for download from the following URL http www kenwood com usb com This URL may change without notice 2 2 3 5 Programming Software KPG 175D description The FPU is the programming software for the transceiver sup plied on a CD This software runs under Windows XP Vista 7 or 8 on a PC The data can be input to or read from the transceiver and edited on the screen The programmed or edited data can be printed out It is also possible to tune the transceiver 2 2 4 Clone Mode Programming data can be transferred from one transceiver to an other by connecting them via their cloning cable The operation is as follows the transmit transceiver is the source and the re ceive transceiver is a target Note Clone mode should be enabled 1 Turn the source transceiver power ON with the key held down 2 seconds cL is displayed on the LED 2 Power on the target transceiver 3 Connect the cloning cable No E30 3382 05 to the modu lar microphone jacks on the source and t
100. he ignition line of the car Note You must set up using the KPG 175D Ignition line of the car 2 3 4 External Speaker Option 2 3 4 1 KES 3 The KES 3 is an external speaker for the 3 5 mm diameter speaker jack procedure 1 Remove the speaker jack cap on the rear of the trans ceiver 2 Connect the KES 3 to the 3 5 mm diameter speaker jack on the rear of the transceiver Pa 011 lt 001 gt 1 7 2 3 4 2 KES 5 External speaker 5 5 be installed for 60 procedure 1 Remove the ACC cap on the rear of the transceiver 2 Connect the D sub connector of the KCT 60 to the D sub 15 pin terminal of the transceiver 3 Insert the two crimp terminals of the KES 5 to pins 3 and 12 of the square plug 4 Connect the square plug to the 15 pin connector of the KCT 60 Note You must set up using the KPG 175D Before the external speaker can be used you must assign one of the keys as External Speaker using the KPG 1750 This also applicable to public address provide you must assign one of the keys as Public Address using the KPG 175D Black White lead 3 Square plug Black lead 2 3 5 GPS Receiver Connection 2 3 5 1 Connecting the GPS receiver 1 Soldering position TX RX unit FNC2 DATA OUT _ 2 5M POWER n OW GND s GROUND
101. igh 5 point 2 SSG output 124 AF Freq 400Hz Mod Dev 1 1kHz Analog Narrow 1 Test CH Low Low Center High High 5 point 2 SSG output 116dBm AF Freq 1kHz Mod Dev 1 5kHz Analog Narrow 1 Test CH Low Low Center High High 5 point 2 SSG output 120dBm AF Freq 1kHz Mod Dev 1 5kHz NXDN Very Narrow 1 Test CH Low Low Center High High 5 point 2 SSG output 120dBm AF Freq 1kHz Mod Dev 1 5kHz Measurement Test Terminal tions equipment IRemarks 1 Test CH Low Low Center SSG Oscilloscope Audio Analyzer SSG Oscilloscope Audio Analyzer SSG Oscilloscope Audio Analyzer SSG Oscilloscope Audio Analyzer SSG Oscilloscope Audio Analyzer SSG Oscilloscope Audio Analyzer Adjustment Specifica FPU Press Start tuning Press Start tuning FPU Press Start tuning FPU Press Start tuning FPU Press Start tuning FPU Press Start tuning No RAO11 lt Rev 001 gt 1 27 Condition Measurement Adjustment Specifica tions IRemarks 5 High RSSI Analog Narrow ANT FPU Press Start Auto Note 4 1 Test CH Low Low Center Oscilloscope High High 5 point 2 SSG output 80dBm AF Freq 1kHz Mod Dev 1 5kHz NXDN Very Narrow ANT FPU Press Start Auto 1 Test CH Low Low Center Oscilloscope High High 5 point 2 SSG
102. ing a pair of nippers or similar tool t 3 Solder the cable side cut in the above step 3 to the IGN pad on the TX RX unit TX RX unit Component side LE 0 4 m 4 Dress the 18 cable shown the figure KCT 18 cable needs to pass through one of two indenta tions located on the rear panel of the transceiver 5 Cut off the projection of the top packing using a pair of nippers or similar tool If the KCT 18 cable is dressed to be routed through the indentations on the right side in step 5 the right side of the projection needs to be cut off If the KCT 18 cable is dressed to be routed through the indentations on the left side the left side of the projection needs to be cut off Following is a figure presenting an example for when the right side of the projection is cut off 6 Reinstall the top packing Check the correct fitting of the top packing then reinstall the cabinet and two screws for the right and left sides 7 Connect the other side of the KCT 18 to the ignition line of the car minstallation Procedure Method 1 Remove the ACC cap on the rear of the transceiver 2 Connect the D sub connector of the KCT 60 to the D sub 15 pin terminal of the transceiver 3 Insert the crimp terminal side of the KCT 18 to pin 2 of the square plug 4 Connect the square plug to the 15 pin connector of the KCT 60 5 Connect the other side of the KCT 18 to t
103. k als NEE einisio 100k2 ER 5 34 AVSS2 EPSo R997 100 1VCoNT vca 230 62185 ate 925529250 Nn Q703 R774 3 R998 100 glz e S OI S RESET R948 Lus R971 8187815 25 645 4 2807 AUXDAC3 w E 5 192MHZ aly BND 0 2718 x 278 0 t X lt 9 Epsl R999 100 x 9 52 3 e SSS N OVER 5 521 30 8 r 199 HORN Lw Ise lo d 7 ANY oUTPUT A lt lt x wet lt DETECT BLO 9 Q722 CN758 4 PASA 5 3 lt lt lt 10 l lt 3 1V gis LTCO14bEEBFS8 o gt E gt AQA gt O gt 9 lt lt O 52N 33MD 0702 57 e Bek kK 5 O eB ooo 4 9191191855525 5 gt ac m amp jM i m RXD_FNC2 2527 1 LTCO14TEBESS S 8 e s 3 s ss S We 5 33 S 9 4 4 e E MM1856A33N 8957 1 RS232C DRIVER C774 GND 054 935 R840 Su oe 2 9 Z Q712 5 VIN Jo 8 22i R755 ol 11 0 022u 21918 S SV LEVEL SHIFTER RXDOC 150 04 E 2 93 IGNITION 5 KTC4075E Y GR 0281 818 33MD 01 9 Llo sp C778 o H T 5 218 o R929 5 sje TORO UT RZUT RAIN sow 1 5202 Mi EI SUR R930 27 SEE 726 33 Q713 er 8 CONT ela 0 5V LEVEL SHIFTER TXDO RTSO 10 T2oUT y 1000 220p 1 8 710 R931 47k
104. nts in the AF section connect the AC level meter AG is set so that MIC input becomes 1 5kHz Narrow DEV at AF 1kHz 2 1 101 5dBm LNA _ d 1 MD Dee oo Q506 IF 2 450kHz 1 49 95 2 Frequency 1kHz 242mVrms N 116 5dBm 84mVrms 82mVrms 83mVrms N 100dBm 281mVrms IF amplifier _ FMIC y v Basebandle idi Q501 IC501 16 C709 17 16 1 709 0 100Vrms 4 59 Vrms 4 Vrms To make measurement in the AF section connect the AC level meter ANT input 53dBm AF 1kHz FM Dev 1 5kHz The AF output level is adjusted near 4 0Vrms 4ohm by adjust VOL key TX VCO RF CENTER FREQUENCY TARA uni __ TX RX unit 2 3dBm L 5W 12dBm 54dBm 6 2dBm BEEN 23dBm x 17dBm ar Q11 I 0300 T DUE s IC300 0305 make measurements the RF section connect the RF Wattmeter 50 In the RF section use a 1000pF coupling capacitor C D E No RA011 lt Rev 001 gt 2 8 2 8 No RA011 lt Rev 001 gt DIAGRAM DISPLAY UNIT 54 389 UNIT 1 001 22 SSS
105. ord Shows PS Enter password Is entered password correct Clone mode 5 Start the clone funnction 2 3 INSTALLATION 2 3 1 Connection Cable 60 Option The KCT 60 connection cable kit is used to connect the trans ceiver to a Horn alert cable KCT 18 Ignition sense cable KES 5 External speaker or through the KCT 36 extension cable 2 3 1 1 Installing the KCT 60 Connection cable in the transceiver 1 Remove the ACC cap on the rear of the transceiver 2 Connect the D sub connector of the KCT 60 to the D sub 15 pin terminal of the transceiver 3 Connect the 15 pin connector of the KCT 60 to a Horn alert cable KCT 18 KES 5 or through a KCT 36 extension ca ble Note You must set up using the KPG 175D Me es N 2 Horn alert cable KCT 18 KES 5 or through KCT 36 extension cable 2 3 1 2 Terminal function D sub 15 pin Pin No Molex 15 pin Pin No 3 PA or 12 External SP DETO 1 6 No RAO11 Rev 001 D sub 15 Pin 15 pin Pin 07001 FN2 2 3 2 Horn Alert Function The Horn alert function max 2A drive is enabled by installing the KCT 60 in the transceiver 2 3 2 1 Installation Procedure 1 Remove the ACC cap on the rear of the transceiver 2 Connect the D sub connector of the KCT 60 to the D sub 15 pin terminal of the transceiver 3 Insert the two crimp terminals of the Horn alert cabl
106. requency step of the PLL 15 2 5 5 0 6 25 or 7 5 kHz 16 8MHz reference signal is divided at IC2 by a fixed counter to produce the reference frequency The voltage controlled oscillator VCO feedback output is divided by a programmable counter 2 The 2 signals are phase compared filtered through a low pass filter and passed to VCO to control the oscillator frequency 2442 VCO Circuit The operating frequency is generated by Q7 in transmit mode and Q5 in receive mode The oscillator frequency is controlled by applying the control voltage which obtained from the phase comparator to varactor diodes D5 D6 D9 D10 D11 in transmit mode and D7 D8 D12 D13 D14 in receive mode The TX RX pin is set High in receive mode causing turn on Q9 And T R pin is set Low in transmit mode causing turn on Q6 D9 D10 D11 IC2 PLL IC TX VCO AMP Q11 BUFF LPF E Q6 Q9 T R SW Assist voltage 16 8 2 2 O D12 D13 D14 Fig PLL and VCO circuit 2 4 4 3 Unlock Circuit If low level appears at the LD pin of IC2 then PLL an unlock condition occurs It causes the voltage applied to the PLL UL pin of the microprocessor to go low When the microprocessor detects this condition the transmitter is disabled by ignoring the push to talk switch input signal 1 12 011 lt 001 gt 2 4 5 Control Circuit The MCU carries out the following tasks 1 Controls the FM IC 501 2 Controls the baseband
107. right side of the projection needs to be cut off If the cable is dressed to be routed through the indentations on the left side the left side of the projection needs to be cut off Following is a figure presenting an example for when the right side of the projection is cut off Top packing 5 Reinstall the top packing Check the correct fitting of the top packing then reinstall the cabinet and two screws for the right and left sides 011 lt 001 gt 1 9 2 4 CIRCUIT DESCRIPTION 2 4 1 Frequency Configuration The receiver utilizes double conversion The first IF is 49 95MHz and the second IF is 450kHz The first local oscillator signal is sup plied from the PLL circuit The PLL circuit in the transmitter generates the necessary frequencies Figure 1 shows the frequencies 1st MCF MIX 49 95MHz Fig 1 Frequency configuration 2 4 2 Receiver System The receiver is double conversion superheterodyne The frequency configuration is shown in Figure 1 L507 L508 512 513 506 0501 D305 D306 D504 D505b 0506 0502 0503 0503 XF500 Q501 D309 D310 BPF RF AMP BPF MIX MCF IF AMP su gt atii Pile IC503 1st local TCXO Tripler OSC VCO PLL Fig 2 Receiver system 2 4 2 1 Front end RF Amplifier An incoming signal from the antenna is applied to an RF amplifier Q506 after passing through a transmit receive switch circuit D305 D306 D309 and
108. t N 2100 IC702 ibis 1 3 52 vik 22 ALB do fr ano 8885 24559 CME EPSI 5 9 87S 39 RD glx RESET INT15P 22 1 01 100 Cf 26 AUDIo C829 R864 R886 68 gt 773 CML EPSO Q711 9 958 1 723 T INT PCA9555AHF yss omc CP701 R771 100p 5MS R813 GPIoA 0 0680 22k CML EPSO LTCO14EEBES8 Q723 XC6120N302N G 23 A1 721 Hmh y 768 m Em ADC1 RXENA T0 _OCN726 A KTXD2 69 CML_EPSCLK LTCO14EEBFS8 9 imm apes R772 100p FNC3 J700 10k 28 ADC2 vobec Toste 8 5 als R868 LRxD2 map z x zx dieque CML_SSOUT cele ae ea 5 gt s 9 58 0567 08 d 29 BASEBAND IC 555 5 x BFS BTS SIS 3 3k lo zivcae 1 55996 25 2 888 110 SWCLK epo RTS FNC3 750 0111 100p sp2 3 30V 30 ancy DVSS1 ET VODG aJ al lial ial 5 US 59 P 9 2 Z 2 ss SWCLK Fagg ANN T tow R751 1131 il 1 6 2 704 CML IRQ Coy i 1 S uus e 499499499 ed 703 AAT 221518 L 32 paci BooTEN1 X700 XIN 8 4848588333 EEE 4 59 ND w HORN ALE R752 ol 31 5 L77 3129 05 KMD WA 0 Am 33 DAC2 EPSCSNiz 47
109. ter High High 5 point 2 Baterry Terminal voltage 13 6V 3 PTT ON Transmit DQT Balance 1 1 Test CH Low Low Center High High 5 point 2 Deviation meter filter LPF 15kHz HPF OFF 3 PTT ON Transmit DQT Balance 2 1 Test CH Low Low Center High High 5 point 2 Deviation meter filter LPF 3kHz HPF OFF 3 PTT ON Transmit 1 Test CH Low Low Center High High 5 point 2 Deviation meter filter LPF 15kHz HPF OFF 3 PTT ON Transmit 1 Test CH Low Low Center High High 5 point 2 Deviation meter filter LPF 15kHz HPF OFF 3 PTT ON Transmit 1 Test Center 1 point 2 Deviation meter filter LPF 15kHz HPF OFF 3 PTT ON Transmit 1 Test CH Center 1 point 2 Deviation meter filter LPF 3kHz HPF OFF 3 PTT ON Transmit 1 Test Center 1 point 2 Deviation meter filter LPF 3kHz HPF OFF 3 PTT ON Transmit 1 Test CH Center 1 point 2 Deviation meter filter LPF 15kHz HPF OFF 3 PTT ON Transmit 1 26 011 lt 001 gt Power meter Ammeter Deviation Meter Oscilloscope Deviation Meter Oscilloscope Deviation Meter Oscilloscope Deviation Meter Oscilloscope Deviation Meter Oscilloscope Deviation Meter Oscilloscope Deviation Meter Oscilloscope Deviation Meter Oscilloscope gt gt gt gt gt gt NT
110. tor ET Q504 Squelch input switch Q505 Squelch input control switch Q506 Front end LNA Q700 FET MIC mute switch Q701 Q702 Transistor Horn alert control switch Q707 Transistor 9R control switch Q708 Transistor 9T control switch Transistor MIC mute switch ar Q711 Transistor 5C control switch Q712 Transistor 0713 Transistor Overvoltage detect Q715 Q720 Transistor AF amp switch Q721 FET 5MS switch Q722 Transistor 5MS control switch Q723 33BA control switch Variable TX VCO tune Capacitance Diode Variable TX VCO tune Capacitance Diode Variable RX VCO tune Capacitance Diode Variable RX VCO tune Capacitance Diode Variable TX VCO tune Capacitance Diode Variable TX VCO tune Capacitance Diode Variable TX VCO tune Capacitance Diode Variable RX VCO tune Capacitance Diode Variable RX VCO tune Capacitance Diode D Variable RX VCO tune Capacitance Diode D15 Variable Modulation Control TX VCO Capacitance Diode D16 D17 TX RX band switch Voltage Protection D300 Zener Diode 0301 TX power control D304 Reverse power rectifier D305 Diode ANT switch D306 D307 Diode Power rectifier D308 D309 Diode ANT switch D310 D500 Squelch voltage rectifier 0502 Variable RF BPF tuning D505 Capacitance Diode 0700 Diode Surge protection D702 D5 D7 D10 D11 D12 D13 14 Diode D712 Diode MIC AGC detection D713 D714 Diode RXD2 level shifter D715 2 7 TERMINAL FUNCTION 2 7 1 Display unit X5

SERVICE MANUAL

Contents

Download Pdf Manuals

Related Search

Related Contents