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CS700 Service Manual..

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2. DR6000 2 DR7000 2 Service Manual d Appendix 1 Abbreviations AMP amplify amplifier ANT Cantenna APC Cautomatic power control BPF band pass filter CTCSS continuous tone control squelch system DCS Digital code squelch DEMOD demodulation HPF high pass filter IDC instantaneous deviation control IF intermediate frequency LED Light Emitting Diode LNA noise amplifier LPF Clow pass filter MCU micro control unit MIC microphone MOD modulation MONI monitor PLL phase lock loop PTT push to talk RX receiver SPK speaker TCXO Temperature Compensated Crystal Oscillators TX transmitter UL un lock VCO voltage control oscillator 67 DR6000 2 DR7000 2 Service Manual d Appendix 2 Main Technical Indexes Technical Parameters DR6000 2 DR7000 2 General Specifications Power Supply 7 4V DC 20 Frequencies Full Bandsplit 400 470 2 Numbe
3. 152 153 1120732005091 0805 20 GRM2165C1H200JA01D 1 C130 C200 C304 C307 C332 C527 C614 C627 C632 154 1120731066031 0805 CHIP C 10pF GRM21BR61A106K 16 C636 C665 C666 C700 C722 C740 C956 C970 155 0805 CHIP C 22uF GRM21BR61A226M 2 C653 C655 156 157 1120721047081 CHIP TAN 0 1 TC211P104M035A 2 C12C18 158 1120722257031 2 2uFP TEESVP1A225M8R 2 C15C311 159 1121021066051 10uF TEESVA1C106K8R 3 C56 C646 C964 160 2205 TEESVA1C226K8R 1 C643 161 1121221077021 100 TEESVB20J107M8R 1 C337 162 CERAMIC TRIMMER 163 1130110000001 TZY2Z100A001R00 2 TC1TC2 CAP 10pF 164 165 166 INDUCTOR L7 110119 L103 L206 L500 L601 L602 L604 167 1170660100001 0603 FERRITE CHIP BLM18AG601S 15 L605 L606 L609 L610 L611 L904 168 1170722100001 0805 FERRITE CHIP BLM21PG221S 3 L105 L501 L502 169 1170760000001 0805 FERRITE CHIP BLM21PG600S 1 L107 SMALL FIXED 170 1140618N28001 MLG1608B8N2S 1 L119 INDUCTOR 8 2nH SMALL FIXED 171 1140611505001 MLG1608B15NJ 1 L102 INDUCTOR 15nH SMALL FIXED 172 1140611805001 MLG1608B18NJ 3 L6L101 L607 INDUCTOR 18nH SMALL FIXED 173 1140612205001 MLG1608B22NJ 4 L21 L100 L202 L212 INDUCTOR 22nH SMALL FIXED 174 1141012305001 LQW31HN23NJ03 1 114 INDUCTOR 23nH SMALL FIXED C2012C 27nJ or L1
4. 2 3 4 5 6 7 8 1 607 10604 SKY72310 XC6204B502MR 400 470MHz gt gt 5 le PLL DAT AMP s 255066 STC ge Q6 0100 020 0101 0102 0105 0107 D101 ANT 1C602 Q610 206908 5066 25 5066 25077 2SCS066 2SC498 2SK3475 RD07 HVUI31 Loo TX TR RF RF RF NT F XC6204B502MR 4 gt Spur 2 Ab RP gt LPF gt SC_A 5 gt gt 5 x br Tor 717 7 1 100 XC6204B332MR 7 05 2904 51 gt XL 3V3 RIP 5 swpspasumca 18017 per 7 1C603 Q604 AK XC6204BS0DMR DTAI23IE gt 165 28C4617 IC gt gt gt gt gt 5 03 CHSW gt 9 0108 DC 2 COJ2SK508 DTC144EE LSW SRC APCSW 1 605 2 202 1C200 38K318 D203 Q203 D201 gt 3V3 25 5066 TA31136 XF201 0206 3SK318 D202 F 15 F gt Amp First ruer eH Nip ee 7 49 95MHz 2 L 4 IC608A CD200 SR Barc Be Thee NIM2904V 1 608 450KHz BAT gt K gt Ts gt 0608 77 xeo I PBR951 Q SCLK lt 12400 m D401 II 29 4912MHz z z IDMR SDI LED LED GREEN DMR 500 vec DS FS d IC300A gt POW DET
5. 26 1090439150001 0402 CHIP 3900 RC0402JR 07390R 1 R152 27 1090447150001 0402 CHIP R 4700 RC0402JR 07470R 1 R630 28 1090468150001 0402 CHIP R 6800 RC0402JR 07680R 1 R110 C531 R222 R328 R413 29 1090410250001 0402 CHIP R 1kQ RC0402JR 071K 16 2 638 660 661 662 670 685 695 901 30 1090415250001 0402 CHIP R 1 5kO RC0402JR 071K5 2 R112 R331 31 1090418250001 0402 CHIP R 1 8 RC0402JR 071K8 1 R201 32 1090422250001 0402 CHIP 2 2kO RC0402JR 072K2 3 R226 R605 R623 33 1090433250001 0402 CHIP 3 3kO RC0402JR 073K3 8 ee R153 R203 R204 R303 34 1090439250001 0402 CHIP 3 9kO RC0402JR 073K9 2 R205 R972 R32 R601 R602 R619 35 1090447250001 0402 CHIP R 4 7kO RC0402JR 074K7 10 R643 R652 R671 R672 R690 R691 36 1090456250001 0402 CHIP 5 RC0402JR 075K6 5 Ge 37 1090482250001 0402 CHIP 8 2kO RC0402JR 078K2 3 R339 R410 R426 38 0402 CHIP 9 1kQ 1 R650 R15 R143 R308 R327 R609 R611 R613 R614 R616 R617 R625 R636 39 1090410350001 0402 CHIP 10 RC0402JR 0710K 26 R637 R654 R655 R656 R658 R659 R669 R676 R677 R680 R684 R687 R698 R699 40 1090412350001 0402 CHIP 12kQ RC0402JR 0712K R117 R312 41 1090415350001 0402 CHIP 15 RC0402JR 0715K R647 R668 R693 42 1090418350001 0402 CHIP 18kQ RC0402JR 0718K R305 R649 43 1090422350001 0402 CHIP 22kQ RC0402JR 0722K 8 D R674 R689 R69
6. 42 Chapter 8 DR6000 2 DR7000 2 DR6000 2 PARTS LIST E Ver 1 0 Parts Description DAE Qty Ref No Name Specification 702DR6000201 DR6000 2 UNIT DR6000 2 portable 4 701DR6000201 1 two way radio DR6000 2 kagi 5 605DR6000201 1 6 71200CT01001 CT 01 radio ring 1 7 70700CP01001 CP 01 rapid charger 1 8 7100600240471 CU600 U1 antenna G RAPK15165093 B0072 1 9 7110CLP01001 CLP 01 clip 1 10 709CA01US001 CA 01US adaptor Selectable 1 11 709CA02BZ001 CA 02Brazil adaptor Selectable 1 CB 01 Li ion battery 12 70600CB01001 Selectable 1 1700 mAh CB 02 Li ion battery 13 70600CB02001 Selectable 1 2000 mAh 14 15 DR6000 2 16 701086000201 dass two way radio 17 18 RESISTOR C339 C423 R4 R5 R7 R13 R140 R233 R538 19 1090400050001 0402 CHIP 00 RC0402JR 070R 19 R539 R603 R621 R678 R686 R707 R709 966 R973 R975 R634 R635 R657 R673 20 1090410050001 0402 CHIP R 100 RC0402JR 0710R 6 R696 R697 21 1090422050001 0402 CHIP R 220 RC0402JR 0722R 3 R9 R536 R537 22 1090456050001 0402 CHIP 560 RC0402JR 0756R 1 R10 R19 R342 R639 R640 23 1090410150001 0402 CHIP R 1000 RC0402JR 07100R 6 R641 R642 24 1090422150001 0402 CHIP R 2200 RC0402JR 07220R 1 R211 25 1090433150001 0402 CHIP R 3300 RC0402JR 07330R 2 R108 R113 DR6000 2 DR7000 2 Service Manual d
7. 89 90 1190647350001 Thermistor NCP18WB473J03RB 1 TH102 91 92 93 CAPACITOR 94 112043 500091 0402 CHIP C 0 5pF GRM1555C1HR50BZ01D 2 C40 C49 95 1120431 00091 0402 CHIP C 1pF GRM1555C1H1ROBZO1D 2 C226 C238 96 1120432 00091 0402 CHIP 2pF GRM1555C1H2ROBZO1D 2 C29 C239 97 1120433 00091 0402 GRM1555C1H3ROBZO1D 3 C54 C233 C951 98 1120434 00091 0402 CHIP C 4pF GRM1555C1H4ROBZ01D 8 257220 0 227 229 234 99 1120435 00091 0402 5 GRM1555C1H5ROBZO1D 1 41 100 1120436P00091 0402 CHIP 6pF GRM1555C1H6ROBZO1D 6 V AU MAIOR C679 C680 101 1120437P00091 0402 CHIP C 7pF GRM1555C1H7ROBZO1D 1 C108 102 1120439P00091 0402 CHIP C 9pF GRM1555C1H9ROBZO1D 1 C235 103 1120431005091 0402 CHIP C 10pF GRM1555C1H100JZ201D 8 222 2 C728 C766 C767 104 1120431205091 0402 CHIP C 12pF GRM1555C1H120JZ01D 1 C219 105 1120431505091 0402 CHIP C 15pF GRM1555C1H150JZ01D 1 C965 106 1120431805091 0402 CHIP C 18pF GRM1555C1H180JZ01D 1 C35 107 1120432205091 0402 CHIP C 22pF GRM1555C1H220JZ01D 3 C28 C51 C100 108 1120433005091 0402 CHIP C 30pF GRM1555C1H300JZ01D 5 109 1120433305091 0402 GRM1555C1H330JZ01D 1 C212 110 1120434705091 0402 CHIP C 47pF GRM1555C1H470JZ01D 3 C10 C16 C208 111 1120435605091 0402 CHIP C 56pF GRM1555C1H560JZ01D 2 C134 C338 112 11204368
8. Mode Function How to access Normal User For normal use Power on Mode 958 Field Mode Programming the basic Menu or Programmable Programming information of the radio Key Mode Data Reading and writing TP Receive instructions from Programming frequency data and other functions PC Test Mode Used to tune the radio Receive instructions from Mode using the PC the PC Firmware Upgrades the software ME Receive instructions from Upgrading when new features are the PC Mode added Normal User Mode You can enter Normal User Mode conventional communication mode by turning on the power switch Users in the mode can use the defined function of the radio Field Programming Mode You can enter the Field Programming Mode by pressing the Menu Key or a programmable key to enter this mode Data programming mode Before leaving the factory the radio has been set in factory However due to different requirements of users functional parameters of the radio such as working frequency channels CTCSS DCS and auto scanning etc should be set again Therefore the company has specially designed a set of DR 6000 programming software with friendly interface convenient operation and visualized display for setting functional parameters of the radio Steps for setting the functional parameters of the Radio by computer are as follows 10 DR6000 2 DR7000 2 Service Manual 1 Install
9. 243 1020000500001 5000 1 609 PROCESSOR 50 DR6000 2 DR7000 2 Service Manual d 244 1020000755101 TC75S51F 1 610 AMPLIFIER 245 1020000300001 WATCHDOG HR V3000S 1 611 246 1020000324051 MICROPROCESSOR STM32F405VGT6 1 614 247 248 249 5 250 1221008000001 DSX321G 8 2 1 X603 RESONATOR 251 1221029491201 1 X602 RESONATOR 29 4912 2 252 1221016800001 DSA321SDA 16 8 2 1 X601 253 1080000499501 CRYSTAL FILTER DM E 1 XF201 254 1110206303201 FUSE F0603HI3000V032T 1 F500 255 1060000001001 TACT SWITCH SKRTLAEO10 1 S404 256 1010600020101 DR6000 2 PCB DR6000 2V02 PCB 257 1080000045001 Ceramic Filter va didus 1 CF201 LTWC450G 258 1230001801001 B dE 0 5mm 18PIN 1 J801 Connector 259 260 1080004502401 Discriminator JTM450C24 1 CD200 261 1102210300001 POWER SWITCH RP08110SNAX V02 0000 1 VR401 262 1061001010001 ROTARY SWITCH RE1001BA V01 0001 1 5401 263 1230525200801 2 5 PJ D2008K 1 J501 264 1230535302702 SOCKET 3 5 PJ D3027D 1 J500 265 1212602762201 MIC ELEMENT PF0 6027P 62 2dB 1 MIC1 266 267 1010600200202 CU600 KEY PCB CU6002v02 PCB 1 268 1211361601001 SPEAKER 936 160 1W 1 269 270 27
10. 6 SPK Speaker Output Control High Active 93 7 Audio Amplifier Control High Active 94 Connect 10K resistor to Ground PB8 95 SCL Software Control Watch Dog Serial Clock 2 1 SCL PB9 96 SDA Software Control Watch Dog Serial Data 2 1 SDA 97 Power Switch High Active 98 1 K1 Key Board K2 Input 99 S VSS 3 VSS 3 Connect to Ground 100 S VDD 3 VDD 3 Connect to 3 3V Table 4 Functional description of semiconductor device Item Model Function Description IC1 SKY72310 Frequency Synthesizer 100 NJM2904 APC Voltage Comparison Driving 200 NJM2591V Receiver 2 Local Oscillation 279 IC Amplification Limitation Demodulation Noise Amplification 300 NJM2902V Receiver demodulated signal Amplification Filtering 601 TA75WO1FU MIC Amplification 302 TDA2822D Audio Frequency Power Amplification IC613 W25Q80 FLASH Channel Frequency Data Storage Function Setting Parameter Debug Mode Parameter 34 DR6000 2 DR7000 2 Service Manual d 614 STM32F405VGT6 MCU IC615 PST9124NR MCU Reset Circuit IC609 HR C5000 1 Base Band Processor 35 DR6000 2 DR7000 2 Service Manual d Chapter 6 PCB Layout 36 ed nu Map e ER 675 gt HR cs61 DR6000 2 DR7000 2 Service
11. C114 147 1120631026091 0603 CHIP 1000pF GRM188R71H102KA01D 1 C119 148 1120631036091 0603 CHIP 0 01 L GRM188R71H103KA01D 1 C214 149 1120631046091 0603 CHIP C 0 1ML GRM188R71H104KA01D 3 C331 C333 C335 150 1120634746051 0603 CHIP 0 47 GRM188R71C474KA01D 1 C931 151 1120631056051 0603 CHIP GRM188R61C105KA01D 3 C126 C313 C969 47 DR6000 2 DR7000 2 Service Manual 152 153 1120732005091 0805 20 GRM2165C1H200JA01D 1 C130 C200 C304 C307 C332 C527 C614 C627 C632 154 1120731066031 0805 CHIP C 10pF GRM21BR61A106K 16 C636 C665 C666 C700 C722 C740 C956 C970 155 0805 CHIP C 22uF GRM21BR61A226M 2 C653 C655 156 157 1120721047081 CHIP TAN 0 1 TC211P104M035A 2 C12C18 158 1120722257031 2 2uFP TEESVP1A225M8R 2 C15C311 159 1121021066051 10uF TEESVA1C106K8R 3 C56 C646 C964 160 2205 TEESVA1C226K8R 1 C643 161 1121221077021 100 TEESVB20J107M8R 1 C337 162 CERAMIC TRIMMER 163 1130110000001 TZY2Z100A001R00 2 TC1TC2 CAP 10pF 164 165 166 INDUCTOR L7 110119 L103 L206 L500 L601 L602 L604 167 1170660100001 0603 FERRITE CHIP BLM18AG601S 15 L605 L606 L609 L610 1611 1904 168 1170722100001 0805 FERRITE CHIP 21 2215 3 11051501 1502 169 1170760000001 080
12. phase comparator and low pass filter LPF RX VCO Unit consists of Q3 D1 D3 L13 C34 C38 C39 and C42 TX VCO Unit consists of Q4 D2 04114 C35 C41 C44 and C45 D5 is the modulation circuit of VCO 607 SKY72310 is PLL integrated circuit and contains programmable parametric frequency divider PPFD programmable frequency divider PFD phase comparator and charge pump etc Low pass filter consists of Rb R7 R9 R10 C12 C15 and C18 Reference frequency is provided by X1 16 8 2 Reference frequency of TCXO Temperature controlled Crystal Oscillator is divided by PPFD in IC607 to produce reference frequency of 5kHz or 6 25kHz controlled by MCU based on the set channel frequency The oscillation frequency of VCO is compared with reference frequency to produce error signal after divided by PFD in 607 The error signal is filtered by low pass filter before changing the VCO frequency to the set value in VCO it is locking N Fyco Fr N Division Frequency VCO Oscillation Frequency Fr Reference Frequency Lock lost detection When PLL is out of lock IC pin4 will output low level signal to MCU and then MCU prohibit transmitter from transmitting with a warning tone Q8 the power filter can provide PLL with more purified power to reduce the noise of frequency synthesizer 5 5 Base Band Processor HR_C5000 1 609 is a low power high performance base band processor supporting Tier 1 and Tier 2 of the
13. 1120433926091 0402 CHIP C 3900pF GRM155R71H392KA01D C762 120 121 1120434726091 1120435626091 0402 CHIP C 4700pF 0402 CHIP C 5600pF GRM155R71H472KA01D GRM155R71H562KA01D C204 C685 C308 C690 122 1120436826091 0402 CHIP C 6800pF GRM155R71H682KA01D C309 C601 C602 123 1120438226091 0402 CHIP C 8200pF GRM155R71H822KA01D C300 124 1120431036071 0402 CHIP 0 01 GRM155R71E103KA01D 46 C19 C20 C128 C137 C158 C201 C217 C220 C221 C305 C306 C312 C316 C330 C334 C336 C418 C420 C421 C422 C633 C648 C651 C654 C658 C672 C702 C703 C705 C707 C712 C719 C721 C739 C743 C744 C752 C757 C758 C768 C919 C924 C939 C961 C962 C963 125 1120431536071 0402 CHIP C 0 015 GRM155R71E153KA01D C691 C764 126 1120431836071 0402 CHIP C 0 018 L GRM155R71E183KA01D C301 C692 C761 C763 127 1120432236071 0402 CHIP C0 022uF GRM155R71E223KA12D C618 C622 C625 128 1120433336051 0402 CHIP 0 033 GRM155R71C333KA01D C318 C320 C321 129 1120433936051 0402 CHIP C0 039uF GRM155R71C393KA01D C211 130 1120434736051 0402 CHIP C0 047 uF GRM155R71C473KA01D NO gt 02 9 C146 C319 46 DR6000 2 DR7000 2 Service Manual d C63 C64 C104 C113 C131 C156 C207 C209 C210 C256 C302 C303 C322 C327 C41
14. 32 1090422250001 0402 CHIP 2 2kO RC0402JR 072K2 3 R226 R605 R623 33 1090433250001 0402 CHIP 3 3kO RC0402JR 073K3 8 ee R153 R203 R204 R303 34 1090439250001 0402 CHIP 3 9kO RC0402JR 073K9 2 R205 R972 R32 R601 R602 R619 35 1090447250001 0402 CHIP 4 7 RC0402JR 074K7 10 R643 R652 R671 R672 R690 R691 36 1090456250001 0402 CHIP 5 RC0402JR 075K6 5 die DIRAS 37 1090482250001 0402 CHIP 8 2kO RC0402JR 078K2 3 R339 R410 R426 38 0402 CHIP R 9 1kQ 1 R650 R15 R143 R308 R327 R609 R611 R613 R614 R616 R617 R625 R636 39 1090410350001 0402 CHIP 10 RC0402JR 0710K 26 R637 R654 R655 R656 R658 R659 R669 R676 R677 R680 R684 R687 R698 R699 40 1090412350001 0402 CHIP 12kQ RC0402JR 0712K R117 R312 41 1090415350001 0402 CHIP 15 RC0402JR 0715K R647 R668 R693 42 1090418350001 0402 CHIP 18 RC0402JR 0718K R305 R649 43 1090422350001 0402 CHIP 22kQ RC0402JR 0722K 8 R674 R689 R692 R958 44 1090433350001 0402 CHIP RC0402JR 0733K 1 R141 45 1090439350001 0402 CHIP RC0402JR 0739K 1 R313 R22 R107 R118 R126 46 1090447350001 0402 CHIP 47kQ RC0402JR 0747K 16 _ R423 R424 R425 R427 R428 R624 R627 R679 47 1090456350001 0402 CHIP 56 RC0402JR 0756K 2 R216 R229 48 1090468350001 0402 CHIP 68kQ RC0402JR 0768K 3 R224 R306 R622 49 1090491350001 0402 CHIP 91 RC0402JR 0791K 1 R300 R21 R3
15. ADC12 IN8 PB1 36 ADC12 IN9 37 PB2 BOOT1 FM SW FM Receive IF Switch High Active 38 7 Mute High Active 39 0 8 VCOVCC SW RXVCO TXVCO Control High for RX 40 9 DMR SW DMR Receive IF Switch High Active 41 10 VOL MAX Max Volume Control High Active 42 11 _ Ext PTT Input 43 12 _ PTT Input 44 PE13 ALARM KEY Top Key Input 45 14 ENCODE INO Channel Encode INO 46 15 1 Channel IN1 47 10 2 Channel 2 48 11 Channel Encode IN3 49 S VCAP 1 VCAP 1 Connect a Capacitor to Ground 50 S VDD 1 VDD 1 Connected to 3 3V PB12 51 _ 5 C5000 Chip Select SPI2 NSS PB13 52 DMR SCLK C5000 Serial Clock Output From MCU SPI2 SCK 32 DR6000 2 DR7000 2 Service Manual 14 53 DMR SDO C5000 Serial Data Input SPI2 MISO PB15 54 C5000 Serial Data Output SPI2 MOSI 55 PD8 PLL LD PLL Lock Detect High Active 56 PD9 PLL CS PLL Chip Select 57 PD10 PLL DAT PLL DATA Output 58 PD11 PLL CLK PLL Clock Output 59 PD12 LCD RES LCD RES 60 PD13 LCD A0 LCD 0 61 PD14 LCD 51 LCD 51 62 15 FL Fast Lock Switch Control High Active PCG TIM8 C 63 H1 E FAST LOCK Fast Lock PW
16. 10 709CA01US001 CA 01US adaptor Selectable 1 11 709CA02BZ001 CA 02Brazil adaptor Selectable 1 CB 01 Li ion battery 12 70600CB01001 Selectable 1 1700 mAh CB 02 Li ion battery 13 70600CB02001 Selectable 1 2000 mAh 14 15 DR7000 2 portable 16 701DR7000201 two way radio 17 18 RESISTOR C339 C423 R5 R7 R13 R140 R233 R538 R539 19 1090400050001 0402 CHIP R OQ RC0402JR 070R 19 R603 R621 R678 R686 R707 R709 R966 R973 R975 R634 R635 R657 R673 20 1090410050001 0402 CHIP R 100 RC0402JR 0710R 6 R696 R697 21 1090422050001 0402 CHIP R 220 RC0402JR 0722R 3 R9 R536 R537 22 1090456050001 0402 CHIP R 560 RC0402JR 0756R 1 R10 R19 R342 R639 R640 23 1090410150001 0402 CHIP R 1000 RC0402JR 07100R 6 R641 R642 24 1090422150001 0402 CHIP R 2200 RC0402JR 07220R 1 R211 25 1090433150001 0402 CHIP R 3300 RC0402JR 07330R 2 R108 R113 26 1090439150001 0402 CHIP R 3900 RC0402JR 07390R 1 R152 27 1090447150001 0402 CHIP 4700 RC0402JR 07470R 1 R630 28 1090468150001 0402 CHIP R 6800 RC0402JR 07680R 1 R110 53 DR6000 2 DR7000 2 Service Manual C531 222 R328 R413 29 1090410250001 0402 CHIP 1kQ RC0402JR 071K 16 638 660 661 662 670 685 695 901 30 1090415250001 0402 CHIP R 1 5kO RC0402JR 071K5 2 R112 R331 31 1090418250001 0402 CHIP R 1 8 RC0402JR 071K8 1 R201
17. 15pF GRM1555C1H150JZ01D 1 C965 106 1120431805091 0402 CHIP C 18pF GRM1555C1H180JZ01D 1 C35 107 1120432205091 0402 CHIP C 22pF GRM1555C1H220JZ01D 3 C28 C51 C100 108 1120433005091 0402 CHIP C 30pF GRM1555C1H300JZ01D 5 109 1120433305091 0402 GRM1555C1H330JZ01D 1 C212 110 1120434705091 0402 CHIP C 47pF GRM1555C1H470JZ01D 3 C10 C16 C208 111 1120435605091 0402 CHIP C 56pF GRM1555C1H560JZ01D 2 C134 C338 112 1120436805091 0402 CHIP C 68pF GRM1555C1H680JZ01D 1 C202 C31 C673 C674 C675 113 1120431015091 0402 CHIP C 100pF GRM1555C1H101JZ01D 9 C678 C688 C689 C729 C730 114 1120432216091 0402 CHIP 220pF GRM155R71H221KA01D 5 Mos 115 1120432716091 0402 CHIP 270 GRM155R71H271KA01D 1 C17 116 1120433316091 0402 CHIP C 330pF GRM155R71H331KA01D 1 C26 45 DR6000 2 DR7000 2 Service Manual 117 1120434716091 0402 470 GRM155R71H471KA01D 63 C24 C25 C46 C48 C52 C55 C78 C79 C81 C82 C83 C84 C101 C102 C103 C106 C107 C109 C110 C120 C121 C125 C129 C139 C143 C152 C157 C159 C160 C161 C162 C165 C203 C218 C224 C228 C231 C232 C236 C237 C253 C254 C257 C402 C406 C528 C529 C532 C603 C604 C605 C624 C664 C667 C670 C676 C694 C735 C938 C950 C957 C958 C959 118 1120431026091 0402 CHIP C 1000pF GRM155R71H102KA01D 14 C30 C43 C116 C123 C314 C340 C642 C647 C657 C677 C682 C726 C732 C932 119
18. 2 R19 R22 279 1090618250001 0603 CHIP L 1 8 RC0603JR 071K8 4 R15 R16 R17 R18 62 DR6000 2 DR7000 2 Service Manual 280 281 1120434716091 0402 CHIP C470pF GRM155R71H471KA01D 3 C11 C16 C17 282 1120431036071 0402 CHIP C0 01uF GRM155R71E103KA01D 2 C12 C15 283 1120631046091 0603 CHIP 1 GRM188R71H104KA01D 3 C3 C4 C10 284 1120631056051 0603 CHIP 1 L GRM188R61C105KA01D 7 C5 C6 C7 C8 C9 C14 285 1120731066031 CHIP TAN 1 GRM21BR61A106K 1 C13 286 287 1040000014402 TRANSISTOR DTC144EE TL 1 Q2 288 1040000071701 TRANSISTOR FMMT717 1 Q1 289 1020620130201 LDO XC6201P302MR 1 290 291 1212602762201 MIC ELEMENT 6027 62 2 1 292 1010780200301 CU780 CU780FPCV01 pcb 1 J2 293 1070700000001 he 1 MODULE 294 295 296 STRUCTURE 297 298 2010CU780001X CU780 radio front cabinet black PC 1414 1 299 2010CU780002X CU780 LCD lens 1 300 2010DR600002X DR6000 PTT plastic key blue PC ABS 2950 1 301 2010CU600003X CU600 ear phone plastic plug black PC ABS 2950 1 302 2010CU600004X CU600 ear phone cabinet PC ABS 2950 1 303 2010CU600005X CU600 radio top cover black PC ABS 2950 1 304 2010CU600006X CU600 volume knob black ABS 700 1 305 2010 0600007 CU600 encoder knob black ABS 700 1
19. 49 95MHz in IC200 Audio signals demodulated and outputted by 200 after the second IF signals are amplified and limited in 200 and then filtered by ceramic filter 450KkHz 23 DR6000 2 DR7000 2 Service Manual 450K Hz Noise Amp p E Demodulator 51 4MHz CD200 49 95MHz Limiter Amp Figure 3 Schematic Diagram for IF System Receiving Audio Signal Processing The audio processing circuit of receiver consists of IC300 Voice signals from IC300 are sent to 301 CCTCSS signaling filter circuit Squelch Circuit Part of the AF signal from the IC200 enters the FM IC again and the noise component is amplified and rectified by a filter and an amplifier to produce a DC voltage corresponding to the noise level The DC signal from the FM IC goes to the analog port of the microprocessor IC403 1C403 determines whether to output sounds from the speaker by checking whether the input voltage is higher or lower than the preset value To output sounds from the speaker IC403 sends high signal to the MUTE and AFCO lines and turns 302 on through Q302 0304 Q305 Audio Power Amplification The audio power amplifying circuit consists of 302 and the peripheral components The signals are amplified by audio power amplifier to drive the speaker after collecting the receiving audio signals voice signals and warning tone signals The warning tone has no volume limitation When AFCO is h
20. Adjustment Items Some detection and adjustment shall be made to the station technical data after changing the components during the maintenance The debugging introduction of some related circuits goes as follows Some parameters of the product can be adjusted Interphone Performance Tuning by use of ARDOO1 Programming Software of our company The adjustable parameters are as follows Frequency stability 2 Transmitting power 3 Alarm threshold for battery low voltage 4 Squelch level 5 QT frequency offset 6 DCS frequency offset 7 Receiving sensitivity Steps for adjustment Enter Computer Test Mode by selecting Test Mode in main menu of ARDOO1 Programming Software b Select the items to be adjusted in choice menus and then adjust the parameters by function keys on the computer keyboard Exit Computer Test Mode after adjustment 7 3 Adjustment 7 3 1 VCO Adjustment Close Power saving Mode Set receiving frequency to low frequency point see Table 2 and in the receiving state test voltage of PD by DMM and adjust fine tuning capacitor TC1 TC2 to get CV voltage of 1 0V 0 2V Set transmitting frequency to high frequency point refer to Table 2 press PTT and test voltage of PD by DMM which shall less than 4 0V Table 2 High Intermediate Low Frequency Point of All Models 38 DR6000 2 DR7000 2 Service Manual d Low Frequency Point Intermediate High Frequency Point Frequency Point
21. DR 6000 programming software on the computer As shown in the figure below connect the radio to the computer through a special serial or USB programming cable Computer Programming Radio RS232 serial port cable Earphone Program port USB port Figure 3 1 3 on the power of the computer 4 on the power of the Radio 5 Click on DR 6000 icon to perform the program 6 In the main menu of the programming software click on Read to read the parameters of the radio into the computer click on Write to write the parameters set in the computer into the radio Caution 1 Before editing for the first time the data should be read from the Radio and properly backed up 2 If the edited data cannot work normally after being written into the Radio please open the backup data and rewrite them 3 Model Information is the important information of the Radio and should not be altered Test Mode According to Figure 3 1 connect the radio to the computer with the special programming cable Warning Before entering the Test Mode please first connect a high frequency load of 50 ohm to the antenna port of the radio or connect the radio a certain test instrument With the DR 6000 Programming Software you can enter the adjustment status in Computer Test Mode to adjust the following parameters of the radio 1 Frequency stability 2 RF transmitting high power 3 RF transmitting Middle power 4 RF transmitting Low
22. Green LED lights when a carrier is detected in the 7 DR6000 2 DR7000 2 Service Manual current channel Red LED lights during transmission Flashes orange when receiving 5 Tone signaling or 2 Tone signaling Green LED flashes when scanning or Red LED flashes when low battery 20 Speaker Microphone Jacks Used to connect the optional speaker microphone Programmable Button Function The dealer can program the Side Button 1 Side Button 2 Top Button and lt gt Keys with the following Optional functions None No Function Channel Up Channel Down Zone Up Zone Down Display CH Frequency Display CH Alias Display Mode Switch OST H M L Power Switch Squelch Adjust Lock Keyboard Scan Noise Channel Delete Voice Expander Scrambler Home Channel Talk Around VOX Monitor Momentary Call Cancel Monitor Call Cancel Squelch Off Momentary Call Cancel Squelch Off Call Cancel Emergency Call Only for TOP key Cancel Emergency Call Only for TOP key Radio Call Call1 Call2 Call3 Call4 Menu Select Enter Only for O key Lone Work Scan List Edit GPS Information Display VOX Level Back Light DR6000 2 DR7000 2 Service Manual d GPS Auto TX ZoneO Scan ADD DEL Man Down Normal Record Record Stop Protected Record Record Stop Record play Play Next Play Stop Record Delete Surveillance DR6000 2 DR7000 2 Service Manual d Chapter 3 Mode Introduction Mode combinations
23. Manual d Chapter 7 ADJUSTMENT 7 1 Required Test Equipment signal source Table 1 Number Name Parameter requirements 1 Computer Above P2 compatible IBM PC WINDOWS 98 ME 2000 XPOperating System 2 Programming ARDOO1 software 3 Programming cable Dubbing cable CPL 01 DC regulator Output voltage 7 4V output electric current 2 5A 6 Test range 0 5 10W RF power Frequency range 100MHz 500MHz meter Resistance 500 SWRsz1 2 Frequency range 0 1 600MHz Frequency E 7 Frequency accuracy higher 1 10 meter Sensitivity higher than 100mV 8 Frequency Frequency range DC 600MHz deviator Test range 0 5kHz 9 Input resistance above 10 DC capable of measuring voltage electric current and resistance 10 Audio signal Frequency range 2 3000Hz generator Output level 1 500mV 11 RF power Decrement 40 50db attenuator Receive power higher than10W 12 Standard Frequency range 10MHz 1000MHz Output level 0 1uV 32mV 127dBm 17dBm 13 Frequency range DC 20MHz Oscillograph Test range 10mV 20V 14 Audio Test range 10mV 10V Frequency voltmeter Recommend how to use item 6 7 8 10 11 and 12 which listed in the table can be substituted by integrated tester 8920 8921 37 DR6000 2 DR7000 2 Service Manual 5 Figure 1 External Speaker microphone Interface Definition 7 2
24. Service Manual C255 C260 1211 1209 1208 0201 0202 0204 RX TX switch 0101 0102 0103 After being filtered out the useless out of band signals the signals are amplified LNA consisting of 0203 and external components Signals from LNA are filtered again by BPF which consists of C228 C226 C238 C229 C227 C239 C947 C259 C948 L214 L204 L203 D905 D203 and D206 before entering the 1st mixer Q202 The PWM wave is output by MCU composed of 58 foot and then commutated to adjustable voltage after filtering to change the capacity of varactor diode 0905 0203 0206 0201 0202 0204 to control the center frequency of BPF 1 mixer The first IF 49 95MHz signal is produced after mixing of the receiving signal from LNA and the 1 local oscillation signal from frequency synthesizer The first IF signal is filtered out adjacent channel and other useless signals by crystal filter XF201 IF Circuit The 1 IF signal from crystal filter is amplified by the first IF amplifier 0201 before processing of IC in IF IC200 NJM2591V or TA31136FN IF IC consists of the 279 mixer 2 local oscillation IF amplifier limiter frequency discriminator and noise amplifier Frequency 16 8MHz produced by TCXO X1 is amplified and then selects 3 harmonics 51 4MHZ as the second local oscillator signal source The second IF signals 450kHz are generated after signals mixing of the second local oscillation 51 4MHz and the first IF
25. high spring silicon 1 27 2010DR600002X PTT plastic key blue PC ABS 2950 1 28 301200407001X Machine screw M2 0X4 0 PB Ni plate nylok blue patch 13 29 MAIN PCB 1 30 2020CU600002X Cabinet waterproof ring orange 40A 50 high spring silicon 1 31 2030CU600001X AL cabinet polishing ADC 12 1 32 301200807001X Machine screw M2 0X8 0 six lobe pan Ni plate nylok blue 2 patch 33 70600CB01001 Battery CB 01 OR CB 02 70600CB02001 1 34 7110CLP01001 CLP 01 clip 1 35 4010CLPO1EO01X Clip label 1 19 DR6000 2 DR7000 2 Service Manual DR7000 2 20 DR6000 2 DR7000 2 Service Manual d NO Parts No Description Qty 1 2010CU780002x CU780 LCD lens 12 2 2010CU600008X Ear phone cover 3 2010CU780001x CU780 cabinet 4 2020CU780002x Mic waterproof 5 LCD 6 1211401601001 speaker 7 2020 0600001 PTT silicon key 8 2010DR600002X PTT plastic key blue 5 2950 9 301200407001X Machine screw M2 0X4 0 10 2010CU600003X CU600 ear phone plastic plug 11 301060400001X Volume screw M6X0 75 special shape brass 12 2010CU600006X Volume knob black ABS 700 13 2010CU600007X Encoder knob black ABS 700 14 Antenna 15 2020CU600007X Knob washer silicon 16 301070500001X Encoder screw 7 0 75 17 2010 0600005 Radio top cover black 18 301250607001X Machine screw M2 5X6 0 19 2020CU600005X Power socket washe
26. power 5 Maximum TX voice deviation 6 VOXA1 Tight 7 VOX10 8 2 5tone deviation 9 DTMF deviation 10 MSK deviation 11 DCS LTR balance 12 DCS deviation DR6000 2 DR7000 2 Service Manual d 13 CTCSS 67 0Hz deviation 14 CTCSS 254 1Hz deviation 15 Battery warning level 16 RX Sensitivity 17 RX squelch 9 open level 18 RX squelch 9 close level 19 RX squelch 1 open level 20 RX squelch 1 close level 21 RSSI 120dBm 22 RSSI 70dBm 23 TX Low Voltage Firmware Upgrading Mode The radio is equipped with an internal FLASH ROM it can be upgraded if required 1 Connect the radio to the PC with a proper programming cable then power on the radio 2 Run computer programming software 3 Select the right port and suitable Baud Rate you connected and the upgrading firmware and then click on E P to start downloading 4 Turn off the radio and exit the programming software DR6000 2 DR7000 2 Service Manual d Chapter 4 Disassembly For Repair The radio is a kind of sophisticated communication equipment with small and fine mechanical structure You should assemble and disassemble it carefully during the maintenance process The Instruction for assembly and disassembly are as follows Installing Removing the Battery Pack To install the battery please place it into the groove on the top of the radio chassis about 5mm away from latch If the radio has the belt clip installed you w
27. signals The station has 83 kinds of standard codes including positive and inverse code for your selection such as Table 2 DCS signals produced by MCU PWM waveform are sent to TCXO for modulation CTCSS DCS signals from receiver are sent to MCU for decoding and then MCU test if there are DCS codes with the same setting of the station to decide whether open the speaker or not Table 2 DCS Coding Schedule 023 114 174 315 445 631 025 115 205 331 464 632 026 116 223 343 465 654 031 125 226 346 466 662 30 DR6000 2 DR7000 2 Service Manual d 032 131 243 351 503 664 043 132 244 364 506 703 047 134 245 365 516 712 051 143 251 371 532 723 054 152 261 411 546 731 065 155 263 412 565 732 071 156 265 413 606 734 072 162 271 423 612 743 073 165 306 431 624 754 074 172 311 432 627 5 9 Description of Semiconductor Devices The distribution of each pin goes as the table 3 Table 3 Definition of CPU Base Pin Pin Type Pin Name Port Name Function 1 2 FLASH CS SPI Flash Chip Select 2 FLASH SCLK SPI Flash pibe LCD DB6 LCD DB6 multiplexing 3 4 FLASH SDO SPI Flash Serial Data BE FLASH SDI SPI Flash Serial Data Output MCU LCD DB7 LCD DB7 multiplexing 5 6 DMR SLEEP POWERDOWN High Active 6 S VBAT VBAT Connected to VDD 7 PC13 TX LED TX LE
28. 0014301 TRANSISTOR DTA143ZETL 1 0902 213 1040000011401 TRANSISTOR DTC114EE TL 2 0400 0401 214 1040000011402 TRANSISTOR DTC114TE TL 1 C110 0106 0304 0306 0308 215 1040000014402 TRANSISTOR DTC144EE TL 7 Q605 Q607 Q903 Q7 Q601 Q609 Q610 216 1040000000401 TRANSISTOR UMCA NTR 6 Q611 Q612 217 1040000071701 TRANSISTOR FMMT717 1 Q606 218 1040000095101 TRANSISTOR PBR951 1 Q608 219 220 221 FET 222 1050000224301 25 243 1 1 05 223 1050000230201 572302 1 Q307 224 1050002182401 2 1824 2SK3019 1 9302 225 1050000001201 RD01MUS2 T113 1 10105 226 1050000007201 FET RD07MUS2B T112 1 0107 227 1050000250801 FET 25 508 1 52 2 93094 228 1050000331801 35 318 2 0202 0203 229 230 231 232 1020620450201 LDO 6204 502 3 IC602 603 604 233 1020620433201 LDO XC6204B332MR 1 618 234 1020000235901 DC DC MP2359DJ 1 605 235 1020000258001 FLASH IC W25Q80BVSIG 1 613 FM IF 236 1020000311361 TA31136FN 1 200 DEMODULATOR OPERATIONAL 237 1020000290201 NJM2902V 1 IC300 AMPLIFIER OPERATIONAL 238 1020000290401 NJM2904V 3 1C100 C301 IC608 AMPLIFIER OPERATIONAL 239 1020000750101 TA75WO1FU 1 601 OPERATIONAL 240 1020000912401 PST9124NR 1 615 241 1020000282201 TDA2822D 1 302 242 1020000723101 PLL IC SKY72310 1 607
29. 0207701 DIOED 25077 4 0100 0102 0103 D200 196 1030019213201 LED RED HT19 2132SURC HHH 1 D400 197 1030019213202 LED GREEN HT19 2132SYGC 2 D401 D402 VARIABLE D201 D202 D203 D206 198 1030000035001 CAPACITANCE HVC350BTRF 5 0905 DIOED VARIABLE 199 1030000127801 CAPACITANCE 1 278 1 05 DIOED VARIABLE 200 1030000132501 CAPACITANCE 15 325 4 0102 03 D4 DIOED 201 1031544002501 DIOED 15 154 400 25 1 0502 202 203 204 TRANSISTOR 205 1040002136201 TRANSISTOR 25 1362 1 0305 206 1040002158601 TRANSISTOR 25 1586 1 0603 207 1040002411601 TRANSISTOR 25 4116 1 0602 208 1040002461701 TRANSISTOR 25 4617 5 2 Q8 0300 60 DR6000 2 DR7000 2 Service Manual 209 1040002498801 TRANSISTOR 25 1 0102 1 Q2 Q6 0100 0101 210 1040002506601 TRANSISTOR 25 5066 6 hes A 211 1040000012301 TRANSISTOR DTA123JE TL 1 Q604 212 1040000014301 TRANSISTOR DTA143ZETL 1 0902 213 1040000011401 TRANSISTOR DTC114EE TL 2 0400 0401 214 1040000011402 TRANSISTOR DTC114TE TL 1 C110 0106 0304 0306 0308 215 1040000014402 TRANSISTOR DTC144EE TL 7 Q605 Q607 Q903 7 Q601 Q609 Q610 Q611 216 1040000000401 TRANSISTOR UMCA NTR 6 P 217 1040000071701 TRANSISTOR FMMT717 1 Q606 218 1040000095101 TRANSISTOR PBR951
30. 05091 0402 CHIP C 68pF GRM1555C1H680JZ01D 1 C202 C31 C673 C674 C675 113 1120431015091 0402 CHIP C 100pF GRM1555C1H101JZ01D 9 C678 C688 C689 C729 C730 114 1120432216091 0402 CHIP C 220pF GRM155R71H221KA01D 5 7 MAE 115 1120432716091 0402 CHIP C 270pF GRM155R71H271KA01D 1 C17 116 1120433316091 0402 CHIP 330pF GRM155R71H331KA01D 1 C26 56 DR6000 2 DR7000 2 Service Manual 117 1120434716091 0402 470 GRM155R71H471KA01D 63 C24 C25 C46 C48 C52 C55 C78 C79 C81 C82 C83 C84 C101 C102 C103 C106 C107 C109 C110 C120 C121 C125 C129 C139 C143 C152 C157 C159 C160 C161 C162 C165 C203 C218 C224 C228 C231 C232 C236 C237 C253 C254 C257 C402 C406 C528 C529 C532 C603 C604 C605 C624 C664 C667 C670 C676 C694 C735 C938 C950 C957 C958 C959 118 1120431026091 0402 CHIP C 1000pF GRM155R71H102KA01D 14 C30 C43 C116 C123 C314 C340 C642 C647 C657 C677 C682 C726 C732 C932 119 1120433926091 0402 CHIP C 3900pF GRM155R71H392KA01D 120 121 1120434726091 1120435626091 0402 CHIP C 4700pF 0402 CHIP C 5600pF GRM155R71H472KA01D GRM155R71H562KA01D C762 C204 C685 C308 C690 122 1120436826091 0402 CHIP C 6800pF GRM155R71H682KA01D C309 C601 C602 123 1120438226091 0402 CHIP C 8200pF GRM155R71H822KA01D C300 124 1120431036071 0402 CHIP 0 01ML GRM155R71E103KA01D 46 C1
31. 1 614 247 248 249 OTHERS CHIP CRYSTAL 250 1221008000001 DSX321G 8 2 1 X603 RESONATOR CHIP CRYSTAL DSB321SDA 251 1221029491201 1 X602 RESONATOR 29 4912MHz 252 1221016800001 VC TCXO DSA321SDA 16 8MHz 1 601 DSF753SDF 49 95MHZ 253 1080000499501 CRYSTAL FILTER 57 1 XF201 254 1110206303201 FUSE F0603HI3000V032T 1 F500 255 1060000001001 TACT SWITCH SKRTLAE010 1 404 256 1010600020101 DR6000 2 PCB DR6000 2V02 PCB ELFY450G 257 1080000045001 CeramicFilter 1 CF201 LTWC450G 18 258 1230001801001 0 5mm 18 1 4801 259 260 261 1080004502401 Discriminator JTM450C24 1 CD200 262 1102210300001 POWER SWITCH RP08110SNAX V02 0000 1 VR401 263 1061001010001 ROTARY SWITCH RE1001BA V01 0001 1 401 264 1230525200801 2 5 PJ D2008K 1 J501 265 1230535302702 SOCKET 3 5 PJ D3027D 1 J500 266 267 1010600200202 CU600 KEY PCB CU6002v02 PCB 1 268 1211361601001 SPEAKER 936 160 1W 1 269 087000 LCD 270 271 272 1010780200202 CU780 Icd 0780 02 1 273 1030019213202 LED GREEN HT19 2132SYGC 8 D2 D3 D4 D5 D6 D7 D8 09 274 275 1090400050001 0402 CHIP R 00 RC0402JR 070R 2 R1 R20 R2 R3 R4 R5 R6 R7 R8 R9 276 1090410250001 0402 CHIP R 1kQ RC0402JR 071K 13 R10 R11 R12 R13 R14 277 1090447350001 0402 CHIP 47kQ RC0402JR 0747K 1 R21 278 1090639150001 0603 CHIP 3900 RC0603JR 07390R
32. 1 Q608 219 220 221 FET 222 1050000224301 25 243 1 1 05 223 1050000230201 572302 1 Q307 224 1050002182401 2 1824 2SK3019 1 9302 225 1050000001201 RD01MUS2 T113 1 0105 226 1050000007201 FET RD07MUS2B T112 1 0107 227 1050000250801 FET 25 508 1 52 2 Q3 Q4 228 1050000331801 FET 35 318 2 0202 0203 229 230 231 232 1020620450201 LDO 6204 502 3 IC602 603 604 233 1020620433201 LDO XC6204B332MR 1 618 234 1020000235901 DC DC MP2359DJ 1 605 235 1020000258001 FLASH IC W25Q80BVSIG 1 613 FM IF 236 1020000311361 TA31136FN 1 200 DEMODULATOR OPERATIONAL 237 1020000290201 NJM2902V 1 IC300 AMPLIFIER OPERATIONAL 238 1020000290401 NJM2904V 3 IC100 C301 IC608 AMPLIFIER OPERATIONAL 239 1020000750101 TA75WO1FU 1 601 OPERATIONAL 240 1020000912401 PST9124NR 1 615 241 1020000282201 TDA2822D 1 302 242 1020000723101 PLL IC SKY72310 1 607 243 1020000500001 5000 1 609 PROCESSOR 61 DR6000 2 DR7000 2 Service Manual OPERATIONAL 244 1020000755101 TC75S51F 1 610 AMPLIFIER 245 1020000300001 WATCHDOG HR V3000S 1 C611 246 1020000324051 MICROPROCESSOR STM32F405VGT6
33. 1 806 NJM2902V bu BAIS BAND AMP lt i lt PROCESSOR DC Q c TC7SSSIF IC301A gt i ae a IC300D 1 300 1C300B NIM2904V 1 301 IX LED PWR SW VOL ava HPF k HPF LPF gt LPF gt DCS IN lt Bea Toca Boa Tc 4 dig A F ALARM Q307 12302 Sw CUT0002 25 1588 TDA2822D 2 tunm 7 a E Rm FM me LCD MODULE LCD SP 10613 LAMP 0306 DICI44EE DC SW MICROPROCESSOR X603 XOUT ee gt EXTSW XIN RT aa MI 8 3V3 UE gt 1C500A 1C500B 4X4 KEY BOARD NIM2900V NIM2900V cu70002 AMP gt VOX l 4 5M DR6000 2 DR7000 2 BLOCK DIAGRAM Size Number Revision VER 1 0 Drawn 2 4 5 6 7 8 DR7000 LCD 18 LCD lu C2 C3 11 470p 0 XC6201P302MR ou 12 Olu 14 15 lu 0 01u 12 18pinBTB GREEN 8 1 8k 717
34. 1 STRUCTURE 272 273 2010CU600001X CU600 radio front cabinet black PC1414 1 274 2010DR600002X DR6000 PTT plastic key blue 2950 1 275 2010CU600003X CU600 ear phone plastic plug black PC ABS 2950 1 276 2010CU600004X CU600 ear phone cabinet PC ABS 2950 1 277 2010CU600005X 0600 radio top cover black PC ABS 2950 1 278 2010CU600006X CU600 volume knob black ABS 700 1 279 2010CU600007X CU600 encoder knob black ABS 700 1 280 2010CU600008X CU600 ear phone cover black 1 51 DR6000 2 DR7000 2 Service Manual d 281 2010CU600009X CU600 battery locker black 2950 282 2010CU600010X CU600 light guider clear PC 283 2020CU600001X CU600 PTT silicon key block 60A 50 high spring silicon 284 2020CU600002X CU600 cabinet waterproof ring orange 40A 50 high spring silicon 285 2020CU600003X CU600 alarm silicon key orange 60A 50 high spring silicon 286 2020CU600004X CU600 mic waterproof washer 60A 50 high spring silicon 287 2020CU600005X CU600 power socket washer 60A 50 high spring silicon 288 2020CU600006X CU600 RF socket washer 60A 50 high spring silicon 289 2020CU600007X CU600 knob washer 60A 50 high spring silicon 290 2030CU600001X CU600 AL cabinet polishing ADC 12 291 2030CU600002X CU600 battery metal locker polishing 505304 292 2030CU600003X SMA RF s
35. 2 C413 C415 C525 C606 C613 C615 C619 C626 C630 C631 C635 C639 C641 131 1120431046031 0402 CHIP C 0 1ML GRM155R61A104KA01D 64 662 668 669 671 C681 C686 C701 C710 C711 C713 C714 C716 C717 C723 C724 C725 C727 C731 C734 C738 C741 C746 C747 C748 C749 C753 C754 C755 C765 C769 C915 C918 C505 C607 C609 C612 C616 C620 C621 C623 C640 C650 C656 C660 C661 C663 C687 C693 132 1120431056031 0402 CHIP GRM155R61A105KE15D 33 C704 C706 C708 C715 C718 C720 C733 C736 C737 C742 C745 C750 C751 C756 C759 C760 C949 133 134 1120631P00091 0603 CHIP C 1pF GRM1885C1H1ROBZO1D 3 C47 C135 C149 135 1120631P50091 0603 CHIP C 1 5pF GRM1885C1H1R5BZO1D 2 C151 C154 136 1120632P00091 0603 CHIP C 2pF GRM1885C1H2ROBZO1D 2 C144 C155 137 1120632P50091 0603 CHIP C 2 5pF GRM1885C1H2R5BZ01D 1 C148 138 1120633P00091 0603 CHIP C 3pF GRM1885C1H3ROBZO1D 1 C147 139 1120634P00091 0603 CHIP C GRM1885C1HAROBZO1D 2 C142 C153 140 1120635P00091 0603 CHIP C 5pF GRM1885C1H5ROBZO1D 2 C136 C150 141 1120636 00091 0603 CHIP C 6pF GRM1885C1H6ROBZO1D 1 C140 142 1120631805091 0603 CHIP C 18pF GRM1885C1H180JA01D 1 C111 143 1120632705091 0603 CHIP C 27pF GRM1885C1H270JA01D 1 C118 144 1120635605091 0603 CHIP C 56pF GRM1885C1H560JA01D 1 C138 145 1120636805091 0603 CHIP C 68pF GRM1885C1H680JA01D 2 C34 C145 146 1120634716091 0603 CHIP 470 GRM188R71H471KA01D 1
36. 2 R958 44 1090433350001 0402 CHIP R RC0402JR 0733K 1 R141 45 1090439350001 0402 CHIP RC0402JR 0739K 1 R313 R22 R107 R118 R126 46 1090447350001 0402 CHIP 47kQ RC0402JR 0747K 16 rR RA R423 R424 R425 R427 R428 R624 R627 R679 47 1090456350001 0402 CHIP R 56kQ RC0402JR 0756K R216 R229 48 1090468350001 0402 CHIP R 68kQ RC0402JR 0768K R224 R306 R622 R300 49 1090491350001 0402 CHIP 91kQ RC0402JR 0791K 1 43 DR6000 2 DR7000 2 Service Manual R21 R34 202 221 R225 R318 R323 R325 50 1090410450001 0402 CHIP R 100kO RC0402JR 07100K 21 626 629 644 645 R651 R653 R667 R675 R683 51 1090412450001 0402 CHIP R 120kO RC0402JR 07120K 5 E 52 1090415420001 0402 CHIP R 150 RC0402DR 07150K 7 137 138 632 53 1090418450001 0402 CHIP R 180kO RC0402JR 07180K 2 145 R604 54 1090420450001 0402 CHIP 200kO RC0402JR 07200K 1 R628 55 1090422450001 0402 CHIP 2200 RC0402JR 07220K 2 R322 R666 56 1090427450001 0402 CHIP R270kQ RC0402JR 07270K 3 R16 R18 R317 57 1090433450001 0402 CHIP 330kO RC0402JR 07330K 2 R8 R506 58 1090439450001 0402 CHIP 390kO RC0402JR 07390K 1 R315 59 1090447450001 0402 CHIP 470 RC0402JR 07470K 7 PAn R615 618 R984 60 1090468450001 0
37. 3 L203 L204 L208 L209 175 1140712705001 7 INDUCTOR 27nH SDWL2012C27NJSTF L214 SMALL FIXED 176 1140611015001 MLG1608BR10J 2 18142 INDUCTOR 100nH SMALL FIXED C2012CR22J or 177 1140712215001 2 11091201 INDUCTOR 220nH SDWL2012CR22JSTF L9 L11 L15 L16 L17 L207 SMALL FIXED 178 1140612215001 MLG1608SR22J 7 L901 INDUCTOR 220nH 59 DR6000 2 DR7000 2 Service Manual SMALL FIXED 179 1140623316001 MLF1608AR33KT000 1 L4 INDUCTOR 330nH SMALL FIXED 2012 56 180 1140715615001 1 1200 INDUCTOR 560nH SDWL2012CR56JSTF SMALL FIXED 181 1140625616001 MLF1608DR56KT 1 L5 INDUCTOR 0 56uH SMALL FIXED 182 1141021027001 LQH32MN1ROM23 1 L118 INDUCTOR pH SMALL FIXED C2012C1ROJ 183 1140711025001 1 L104 INDUCTOR SDWL2012C1ROJSTF SMALL FIXED 184 1140623326001 MLF1608A3R3KT 3 L20 L608 L902 INDUCTOR 3 3UH SMALL FIXED 185 1142021037001 0125100 1 L603 INDUCTOR 10LLI SMALL FIXED 186 1142024737001 SWPA3012S470MT 1 L612 INDUCTOR 47yH 187 1152R351R6041 AIR CORE COIL 4T ERO 35x1 6x4 4 L110L112L113L114 188 1152R351R6081 AIR CORE COIL 81 0 35 1 6 8 1 1106 189 190 191 192 1030000137201 DIOED 155372 3 D601 0602 0603 193 1030000013101 DIOED HVU131TRF or BA592 1 D101 194 1030000211101 DIOED 25111 4 060604 0605 0606 195 103000
38. 306 2010CU600008X CU600 ear phone cover black 1 307 2010CU600009X CU600 battery locker black PC ABS 2950 1 308 2010CU600010X CU600 light guider clear PC 1 CU600 PTT silicon key block 60A 50 high spring 309 2020CU600001X 1 silicon 310 2020CU600002X 60000 286109 waterproof ring orange 40A 50 high spring silicon 311 2020CU600003X 80090 eam silicon key orange 60A 50 high 1 spring silicon 312 2020CU600005X 60600 power socket washer 60 50 high spring 1 silicon 313 2020CU600006X RF socket washer 60A 50 high spring 1 silicon 314 2020CU600007X CU600 knob washer 60A 50 high spring silicon 1 315 2020CU780001X CU780 Keypad rubber 1 316 2020CU780002X CU780 MIC washer 1 63 DR6000 2 DR7000 2 Service Manual 317 2030CU600001X CU600 AL cabinet polishing 12 1 318 2030CU600002X CU600 battery metal locker polishing SUS304 1 319 2030CU600003X SMA RF socket 1 320 2030 0600004 Spring 2 3 10 5 0 25 spring steel Ni plate 2 321 2040CU600001X 3 PIN power socket 1 J502 322 2040CU600002X CU600 PTT metal dome plate 1 323 2040CU600003X 36mm air filter nylon weave 1 324 2040CU600004X 7mm mic air filter 7 0 4 5 0 2 1 325 2040CU780001X CU780 Keypad metal dome plate 326 301070500001X Encoder screw M7X0 75 special shape brass 1 327 301060400001X Volume screw M6X0 75 special sh
39. 4 R202 R221 R225 R318 R323 R325 R341 50 1090410450001 0402 CHIP R 100kO RC0402JR 07100K 21 R629 R644 R645 651 R653 R667 R675 R683 54 DR6000 2 DR7000 2 Service Manual 55 51 1090412450001 0402 CHIP 120kO RC0402JR 07120K 5 2 eae 52 1090415420001 0402 CHIP 150kO RC0402DR 07150K 7 137 138 632 53 1090418450001 0402 CHIP R 180kO RC0402JR 07180K 2 R145 R604 54 1090420450001 0402 CHIP 200 RC0402JR 07200K 1 R628 55 1090422450001 0402 CHIP 2200 RC0402JR 07220K 2 R322 R666 56 1090427450001 0402 CHIP R 270kO RC0402JR 07270K 3 R16 R18 R317 57 1090433450001 0402 CHIP R 330kO RC0402JR 07330K 2 R8 R506 58 1090439450001 0402 CHIP 390kO RC0402JR 07390K 1 R315 59 1090447450001 0402 CHIP 470kO RC0402JR 07470K 7 D AE NS R615 R618 R984 60 1090468450001 0402 CHIP R 680kO RC0402JR 07680K 1 R208 61 1090475450001 0402 CHIP 750kO RC0402JR 07750K 1 R206 62 1090482450001 0402 CHIP 820kO RC0402JR 07820K 1 610 63 1090410550001 0402 CHIP 1MQ RC0402JR 071MO 5 Denim ep 64 1090418550001 0402 CHIP R 1 8 RC0402JR 071M8 1 R646 65 66 1090600050001 0603 CHIP 100 RC0603JR 070R R120 R147 R311 67 1090648750001 0603 CHIP 4 70 RC0603JR 074R7 R332
40. 402 CHIP R 680kO RC0402JR 07680K 1 R208 61 1090475450001 0402 CHIP 750kO RC0402JR 07750K 1 R206 62 1090482450001 0402 CHIP R 820kO RC0402JR 07820K 1 610 63 1090410550001 0402 CHIP 1MQ RC0402JR 071MO 5 64 1090418550001 0402 CHIP 1 8 RC0402JR 071M8 1 646 65 66 1090600050001 0603 CHIP R 0Q 0603 070 120 147 11 67 109064 750001 0603 4 70 RC0603JR 074R7 R332 R959 68 1090610050001 0603 CHIP R 100 RC0603JR 0710R 5 a 69 1090622050001 0603 CHIP R 220 RC0603JR 0722R 5 p 70 1090647050001 0603 CHIP 470 RC0603JR 0747R 4 R121 R128 R212 R220 71 1090610150001 0603 CHIP R 1000 RC0603JR 07100R 3 R14 R26 R31 72 1090615150001 0603 CHIP 1500 RC0603JR 07150R 2 R25 R27 73 1090622150001 0603 2200 0603 07220 3 210 215 402 74 1090627150001 0603 2700 0603 07270 3 102 139 154 75 1090647150001 0603 4700 0603 07470 2 R535 R969 76 1090656150001 0603 5600 RC0603JR 07560R 1 R20 77 1090610250001 0603 CHIP R 1kQ RC0603JR 071K 1 R33 78 1090618250001 0603 CHIP R 1 8kO 0603 071 8 1 R534 79 1090622250001 0603 CHIP 2 2kO 0603 072 2 1 R144 80 1090627250001 0603 CHIP 2 7kO 0603 072 7 1 R209 81 1090610350001 0603 CHIP 10 0603 0710 1 R214 82 10
41. 5 FERRITE CHIP BLM21PG600S 1 1107 SMALL FIXED 170 1140618N28001 MLG1608B8N2S 1 L119 INDUCTOR 8 2nH SMALL FIXED 171 1140611505001 MLG1608B15NJ 1 L102 INDUCTOR 15nH SMALL FIXED 172 1140611805001 MLG1608B18NJ 3 L6L101 L607 INDUCTOR 18nH SMALL FIXED 173 1140612205001 MLG1608B22NJ 4 L21 L100 L202 L212 INDUCTOR 22nH SMALL FIXED 174 1141012305001 LQW31HN23NJ03 1 114 INDUCTOR 23nH SMALL FIXED C2012C 27nJ or L13 L203 L204 L208 175 1140712705001 7 INDUCTOR 27nH SDWL2012C27NJSTF L209 L214 SMALL FIXED 176 1140611015001 MLG1608BR10J 2 181142 INDUCTOR 100nH SMALL FIXED C2012CR22J or 177 1140712215001 2 11091201 INDUCTOR 220nH SDWL2012CR22JSTF L9 L11 L15 L16 L17 SMALL FIXED 178 1140612215001 MLG1608SR22J 7 L207 L901 INDUCTOR 220nH 48 DR6000 2 DR7000 2 Service Manual d SMALL FIXED 179 1140623316001 MLF1608AR33KT000 1 L4 INDUCTOR 330nH SMALL FIXED 2012 56 180 1140715615001 1 1200 INDUCTOR 560nH SDWL2012CR56JSTF SMALL FIXED 181 1140625616001 MLF1608DR56KT 1 L5 INDUCTOR 0 56uH SMALL FIXED 182 1141021027001 LQH32MN1ROM23 1 L118 INDUCTOR pH SMALL FIXED C2012C1ROJ 183 1140711025001 1 L104 INDUCTOR SDWL2012C1ROJSTF SMALL FIXED 184 1140623326001 MLF1608A3R3KT 3 L20 L608 L902 INDUCTOR 3 3UH SMALL FIXED 185 1142021037001 0125100 1 L603 INDUCTOR 10LLI SM
42. 61A105KE15D 33 C704 C706 C708 C715 C718 C720 C733 C736 C737 C742 C745 C750 C751 C756 C759 C760 C949 133 134 1120631P00091 0603 CHIP C 1pF GRM1885C1H1ROBZO1D 3 C47 C135 C149 135 1120631P50091 0603 CHIP C 1 5pF GRM1885C1H1R5BZO1D 2 C151 C154 136 1120632P00091 0603 CHIP C 2pF GRM1885C1H2ROBZO1D 2 C144 C155 137 1120632P50091 0603 CHIP C 2 5pF GRM1885C1H2R5BZ01D 1 C148 138 1120633P00091 0603 CHIP C 3pF GRM1885C1H3ROBZO1D 1 C147 139 1120634P00091 0603 CHIP C GRM1885C1HAROBZO1D 2 C142 C153 140 1120635P00091 0603 CHIP C 5pF GRM1885C1H5ROBZO1D 2 C136 C150 141 1120636 00091 0603 CHIP C 6pF GRM1885C1H6ROBZO1D 1 C140 142 1120631805091 0603 CHIP C 18pF GRM1885C1H180JA01D 1 C111 143 1120632705091 0603 CHIP C 27pF GRM1885C1H270JA01D 1 C118 144 1120635605091 0603 CHIP C 56pF GRM1885C1H560JA01D 1 C138 145 1120636805091 0603 CHIP C 68pF GRM1885C1H680JA01D 2 C34 C145 146 1120634716091 0603 CHIP 470 GRM188R71H471KA01D 1 C114 147 1120631026091 0603 CHIP 1000pF GRM188R71H102KA01D 1 C119 148 1120631036091 0603 CHIP 0 01 L GRM188R71H103KA01D 1 C214 149 1120631046091 0603 CHIP C 0 1ML GRM188R71H104KA01D 3 C331 C333 C335 150 1120634746051 0603 CHIP C 0 47uF GRM188R71C474KA01D 1 C931 151 1120631056051 0603 CHIP GRM188R61C105KA01D 3 C126 C313 C969 58 DR6000 2 DR7000 2 Service Manual
43. 9 0 25 MOD 1kHz DEV 1 5kHz CH Receiving Center Normal Frequency Point squelch Level 9 opening after omputer RF OUT output 116dBm es LC Test Mode Normal 505 Level 1 squelch RF OUT output 122dBm opening after adjustment Table 5 Transmitting part Item Test condition Instrumentation Test point Correcting Requirement Remarks member Frequency Counter Computer RF rate Integrated Tester Test Mode VIII 250112 DOS Oscillograph Nearly waveform flat waveform Integrated Tester balance Square wave Power Tester Computer Adjust to Within Power Power 7 4V Integrated Tester Test Mode 4 25W 0 25W Ammeter Max 5 Modulation CH Transmitting Center Adjust to Frequency Point 200 2 Frequency 2 1kHz AG 1kHz 120mV 3 Offset deviator Integration Antenna Tester Check Transmitting Center Modulation Frequency Sensitivity Offset 1 1kHz 1 8kHz Frequency CTCSS Computer Adjust to t DEV CTCSS 67Hz deviator Integration Test Mode 0 35kHz 150 2 Tester Frequency Computer Adjust to t DCS DEV DCS 023N deviator Integration Test Mode 0 35kHz 150 2 Tester Indicator light Battery Terminal 6 8 twinkles after Warning Test Mode adjustment 41 DR6000 2 DR7000 2 Service Manual d
44. 9 C20 C128 C137 C158 C201 C217 C220 C221 C305 C306 C312 C316 C330 C334 C336 C418 C420 C421 C422 C633 C648 C651 C654 C658 C672 C702 C703 C705 C707 C712 C719 C721 C739 C743 C744 C752 C757 C758 C768 C919 C924 C939 C961 C962 C963 125 1120431536071 0402 CHIP C 0 015 GRM155R71E153KA01D C691 C764 126 1120431836071 0402 CHIP C 0 018 GRM155R71E183KA01D C301 C692 C761 C763 127 1120432236071 0402 CHIP C0 022uF GRM155R71E223KA12D C618 C622 C625 128 1120433336051 0402 CHIP 0 033 GRM155R71C333KA01D C318 C320 C321 129 1120433936051 0402 CHIP 0 039 GRM155R71C393KA01D C211 130 1120434736051 0402 CHIP C0 047uF GRM155R71C473KA01D 57 NO gt 146 319 DR6000 2 DR7000 2 Service Manual 63 64 104 113 131 156 207 209 210 256 302 303 322 327 412 413 415 525 606 613 615 619 626 630 631 635 639 641 644 131 1120431046031 0402 GRM155R61A104KA01D 64 C668 C669 C671 C681 C686 C701 C710 C711 C713C714C716C717 C723 C724 C725 C727 C731 C734 C738 C741 C746 C747 C748 C749 C753 C754 C755 C765 C769 C915 C918 C505 C607 C609 C612 C616 C620 C621 C623 C640 C650 C656 C660 C661 C663 C687 C693 132 1120431056031 0402 CHIP GRM155R
45. 90647350001 0603 CHIP 47kQ 0603 0747 2 R125 R338 44 DR6000 2 DR7000 2 Service Manual 83 1090610450001 0603 CHIP R 100kO RC0603JR 07100K 2 R217 R227 84 1090610550001 0603 CHIP R 1MQ RC0603JR 071M R304 85 86 1090700050001 0805 CHIP 00 RC0805JR 070R 2 R127 R962 87 88 10910R3950001 1206 CHIP R 0 390 RC1206JR 07R39 3 R130 R131 R132 89 90 1190647350001 Thermistor NCP18WB473J03RB 1 TH102 91 92 93 CAPACITOR 94 112043 500091 0402 CHIP C 0 5pF GRM1555C1HR50BZ01D 2 C40 C49 95 1120431 00091 0402 CHIP C 1pF GRM1555C1H1ROBZO1D 2 C226 C238 96 1120432 00091 0402 CHIP 2pF GRM1555C1H2ROBZO1D 2 C29 C239 97 1120433 00091 0402 GRM1555C1H3ROBZO1D 3 C54 C233 C951 98 1120434 00091 0402 CHIP C 4pF GRM1555C1H4ROBZ01D 8 C227 C229 C234 99 1120435 00091 0402 5 GRM1555C1H5ROBZO1D 1 C41 100 1120436 00091 0402 CHIP 6pF GRM1555C1H6ROBZO1D 6 C679 C680 101 1120437 00091 0402 CHIP C 7pF GRM1555C1H7ROBZO1D 1 C108 102 1120439P00091 0402 CHIP C 9pF GRM1555C1H9ROBZO1D 1 C235 103 1120431005091 0402 CHIP C 10pF GRM1555C1H100JZ201D 8 C684 C728 C766 C767 104 1120431205091 0402 CHIP C 12pF GRM1555C1H120JZ01D 1 C219 105 1120431505091 0402 CHIP C
46. ALL FIXED 186 1142024737001 SWPA3012S470MT 1 L612 INDUCTOR 47yH 187 1152R351R6041 AIR CORE COIL 4T ERO 35x1 6x4 4 L110L112L113L114 188 1152R351R6081 AIR CORE COIL 81 0 35 1 6 8 1 1106 189 190 191 192 1030000137201 DIOED 155372 3 D601 0602 0603 193 1030000013101 DIOED HVU131TRF or BA592 1 D101 194 1030000211101 DIOED 25111 4 D6 D604 0605 0606 195 1030000207701 DIOED 25077 4 D100 0102 0103 D200 196 1030019213201 LED RED HT19 2132SURC HHH 1 D400 197 1030019213202 LED GREEN HT19 2132SYGC 2 D401 D402 VARIABLE D201 D202 D203 D206 198 1030000035001 CAPACITANCE HVC350BTRF 5 0905 DIOED VARIABLE 199 1030000127801 CAPACITANCE 1 278 1 05 DIOED VARIABLE 200 1030000132501 CAPACITANCE 15 325 4 0102 03 D4 DIOED 201 1031544002501 DIOED 15 154 400 25 1 0502 202 203 204 TRANSISTOR 205 1040002136201 TRANSISTOR 25 1362 1 0305 206 1040002158601 TRANSISTOR 25 1586 1 0603 207 1040002411601 TRANSISTOR 25 4116 1 0602 208 1040002461701 TRANSISTOR 25 4617 5 2 Q8 Q300 49 DR6000 2 DR7000 2 Service Manual d 209 1040002498801 TRANSISTOR 25 1 0102 1 Q2 Q6 0100 0101 210 1040002506601 TRANSISTOR 25 5066 6 hes SUR E 211 1040000012301 TRANSISTOR DTA123JE TL 1 0604 212 104000
47. D High Active 8 14 LED RX LED High Active 9 15 LAMP Keyboard Lamp High Active 10 S VSS 5 VSS 5 Connected to VSSA 11 S VDD 5 VDD 5 Connected to 3 3V 12 05C 8MHz Crystal Input 13 OSC OUT OSC OUT 8MHz Crystal Output 14 RESET RESET Reset Input Low Active 15 PCO EXTIO DMR TIME SLOT Interrupt 16 1 11 SYS INTER DMR SYS Interrupt 17 2 2 RF TX INTER Interrupt 18 RF INTER RF Interrupt AD123 IN13 19 S VDD VDD Connected to 3 3V 20 S VSS VSS Connected to VSSA 21 S VREF VREF Connected to 3 3V DR6000 2 DR7000 2 Service Manual d 22 S VDDA VDDA Connected to 3 3V 23 MANDOWN MANDOWN Input ADC123 INO PA1 24 Battery Input 123 IN1 PA2 25 QT DQT IN CTCSS DCS Input ADC123 IN2 PA3 26 Input ADC123 27 5 VSS 4 VSS 4 Connected to 55 28 S VDD 4 VDD 4 Connected to 3 3V 4 29 APC TV D A Output DAC OUT1 PA5 30 MOD2 BIAS TCXO Frequency D A Adjust DAC OUT2 PA6 31 I _ Power Detect High Active ADC12 IN6 32 7 _ Power Control High Active 33 RF APC SW RF Amplifier Switch High Active 34 5 5TC 5T Power Control High Active 35 RSSI RSSI Detect Input
48. DMR protocol it completes the entire physical layer and data link layer and voice processing part of the call control layer of DMR compliant with ETSI TS 102 361 27 DR6000 2 DR7000 2 Service Manual E m 2 out DMR Coder 1 Tierl II Modulator D A Qout Mod1 DMR 4 FSK Tierl II Decoder DeModulator VoCoder Interface RF RF Control SPI Control Lin IF in D O Qin CodeC User PLL Interface Interface Miss System Interupt PS SPI i 5 U SPI 3 3V CLKOUT XTALI Interupt Figure 8 Base Band Processor 5 6 Voice Circuit The station is equipped with Voice Prompt Function which is very useful during night or under dark condition The speaker will voice the current channel number when changing the channel every time because of the voice memory chip 613 which stores channel voice prompts It will repeat the current channel number once pressing Voice Prompts The speaker will voice the current channel number under standby state if the Voice Prompt Function is set Press Voice Prompts for reset to switch voice types Press Voice Prompts repeatedly for power connection then the voice types will be switched in circle in the order of Chinese male voice English male voice Chinese female voice English female voice no prompts 5 7 Power Supply The station use lithium battery 7 4V 1700mAh
49. DR6000 2 400 100 MHz 435 100 MHz 469 975 MHz DR7000 2 7 3 2 PLL frequency calibration Double click to enter Frequency Stability in Interphone Performance Tuning to achieve the rated transmitting frequency by adjusting the number from 0 to 255 Error lt 200HZz 7 3 3 Transmitting frequency adjustment Double click to enter Transmitting High Power in Interphone Performance Tuning to adjust the five frequency points including Lowest Low Mid High and Highest respectively and set transmitting power to over 4W by adjusting the number from 0 to 255 and observe the operating current lt 1 6 at the same time Double click to enter Transmitting Low Power in Interphone Performance Tuning to adjust the five frequency points including Lowest Low Mid High and Highest respectively and set transmitting power to over 1W by adjusting the number from 0 to 255 7 3 4 Transmitting low voltage alarm Adjust power voltage to 6 8V and double click to enter Transmitting Low Voltage in Performance Tuning Mode for automatic detection of the software and then click Save for exit after no or little variation in numbers 7 3 5 Frequency offset adjustment Input audio signal 12mV 1000Hz at MIC jack of interphone Adjust and set frequency offset to 2 1kHz 7 3 6 DCS transmitting signal waveform and frequency offset adjustment Double click
50. DR6000 2 DR7000 2 Service Manual d DR6000 2 DR7000 2 Service Manual DR6000 2 DR7000 2 Service Manual d Contents Chapter 1 General Chapter 2 Radio Overview Chapter 3 Mode Introduction Chapter 4 Disassembly For Repair Chapter 5 Circuit Description Chapter 6 PCB Layout Chapter 7 Adjustment Chapter 8 Bill Of Materials Chapter 9 Charger Chapter 10 Block and Schematic Appendix 1 Abbreviations Appendix 2 Main Technical Indexes Appendix 3 Trouble Shooting DR6000 2 DR7000 2 Service Manual d Chapter 1 General 1 1 Introduction This manual applies to the service and maintenance of DR6000 2 and DR7000 2 radios and is for the engineers and professional technicians that have been trained by our company In this manual you can find all the information of product service Our company reserve the rights to modify the product construction and specification without notice in order to enhance product performance and quality Read this manual before repairing the product 1 2 Attention Safety Do not touch the antenna connector with your skin directly Do not reverse the power polarities Do not turn on the radio before the antenna and load connection is completed Do not contact the damaged antenna when transmitting or may make lightly burning on the skin Electromagnetism Interference It s prohibited to use or repair the radio the following places Hospital health center air port Any area with a potentially exp
51. GHz ETS 300 086 69 DR6000 2 DR7000 2 Service Manual d Appendix 3 Troubleshooting No Problems Solutions The radio cannot Battery pack may be installed properly Remove the 1 be switched on or battery pack and install it again no display after Battery power may be insufficient Recharge or replace switched on the battery pack 2096 batery The battery life is finished please replace it with a new 2 consume quickly battery pack after charging frequency or CTCSS DCS signaling are other identical and please reprogram it 3 Make sure the setting the selective signaling 5 members in your 4 group in he RX Squelch Mode is proper the radio efficient communication range Other voices from non group Change the CTCSS DCS tone and make sure change 4 members are the tone on all radios in your group heard on Please set 5 Tone selective signaling the channel channel Make sure the antenna is well connected 5 Communication Make sure the antenna is the originally supplied one range is too small Check if the battery power is in the normal state Ask your local dealer to adjust the squelch level Make sure the PTT button has been pressed completely 6 Unable to Battery power may be insufficient Recharge or replace transmit the battery pack Transmitting
52. M L Power Switch Squelch Adjust Monitor Momentary Call Cancel Monitor Call Cancel Squelch Off Momentary Call Cancel Squelch Off Call Cancel Lock Keyboard Battery Check FCS Normal Record Record Stop Protected Record Record Stop Record play Play Next Play Stop Record Delete Surveillance DR6000 2 DR7000 2 Service Manual d b DR7000 2 A L A ERA Ni Lor 5 SSS 8 92 39 3 4 P 25 6 M 3 jn 4 L amp 10 PUSH TO TALK Button To make a call press and hold the PTT button then speak into the microphone in normal voice Release the PTT button to receive signals 11 Side Button 1 Programmable Button 12 Side Button 2 Programmable Button 13 MIC Input Please keep your mouth about 10 cm 3 4 inches away from the microphone input to achieve the best voice quality If the distance is too far or too close to the radio it will affect the voice quality 14 LCD 15 Key Pad 16 Top Button Programmable Button 17 Channel Selector Rotate to select channel 1 512 18 Power Volume Knob Turn clockwise to switch on the radio Turn counterclockwise till a click is heard to switch off the radio Rotate to adjust the volume after turning on the radio 19 LED Indicator LED Indicator Status Alert
53. M Output PC7 TIM8 C 64 H2 gt CIC 0C5 0 I CTCSS DCS Output PC8 TIM8 C 65 BEEP ALARM DTMF Output 66 9 5 5R Power Switch Control High Active 67 8 5C Power Switch Control High Active PA9 68 501 KEY Side Key 1 Input USART1 TX PA10 69 I SD2 KEY Side Key 2 Input USART1 RX PA11 USBD 70 USBD USB DM PA12 USBD 71 USBD USB DP JTMS SWDI SWDIO 72 Wide Narrow Band Control High Wide WORN SW PA13 E 73 5 2 2 Connect to Ground 74 S VSS 2 VSS 2 Connect to Ground 75 S VDD 2 VDD 2 Connect to 3 3 JTCK SWCL SWCLK 76 IC MANDOWN Power Switch High Active MANDOWN SW PA14 15 77 125 FS 125 5 1253 VV5 10 78 125 125 1253 11 79 125 125 125 SD DR6000 2 DR7000 2 Service Manual 12 80 25 TX 125 1253 SD 81 2 2 82 IC PD1 K3 Key Board K3 Input 83 PD2 K4 Key Board K4 Input 84 5 5 85 IC PD4 K6 Key Board 6 Input 86 IC PD5 K7 Key Board K7 Input 87 PD6 K8 Key Board K8 Input 88 7 C5 DMR V CS PB3 89 V SCLK DMR V SCLK SPI3 SCK PB4 90 V 500 V SDO SPI3 MISO PB5 91 SDI V SDI SPI3 MOSI 92
54. R959 68 1090610050001 0603 CHIP R 100 0603 0710 5 ihe 69 1090622050001 0603 CHIP 220 0603 0722 5 70 1090647050001 0603 CHIP 470 RC0603JR 0747R 4 R121R128 R212 R220 71 1090610150001 0603 CHIP 1000 RC0603JR 07100R 3 R14 R26 R31 72 1090615150001 0603 CHIP 1500 0603 07150 2 R25 R27 73 1090622150001 0603 CHIP R 2200 RC0603JR 07220R 3 R210 R215 R402 74 1090627150001 0603 CHIP 2700 RC0603JR 07270R 3 R102 R139 R154 75 1090647150001 0603 CHIP 4700 0603 07470 2 R535 R969 76 1090656150001 0603 5600 RC0603JR 07560R 1 R20 77 1090610250001 0603 CHIP R 1kQ RC0603JR 071K 1 R33 78 1090618250001 0603 CHIP R 1 8kO RC0603JR 071K8 1 R534 79 1090622250001 0603 CHIP 2 2kO 0603 072 2 1 R144 80 1090627250001 0603 CHIP 2 7 0603 072 7 1 R209 81 1090610350001 0603 CHIP R 10 0603 0710 1 R214 82 1090647350001 0603 CHIP 47 0603 0747 2 R125 R338 83 1090610450001 0603 CHIP 100 RC0603JR 07100K 2 R217 R227 84 1090610550001 0603 CHIP R 1MQ RC0603JR 071M 1 R304 85 86 1090700050001 0805 CHIP 100 RC0805JR 070R 2 R127 R962 87 88 10910R3950001 1206 CHIP R 0 390 RC1206JR 07R39 3 R130 R131 R132 DR6000 2 DR7000 2 Service Manual
55. ally the output power of transmitter will decrease or vice versa Thus the output power of transmitter will keep stable under any different working condition MCU can set the power by changing the voltage input to IC100B Audio Signal Processing of Transmitter C609 BASE BAND PROCESSOR TOXO CTC DCS 16 8MHz Figure 6 Schematic Diagram for Audit Circuit of Receiver The audio signal processing circuit of Transmitter consists of IC601 and 609 Voice signals from MIC are sent to VCO for modulation together with CTCSS DCS after amplification limitation and filtering C609 is bais band processor circuit consists of 0601 0602 and 0602 0603 The signal amplitude is reduced to ensure distortion in case of oversized MIC signal Q601 the power switch of voice processing circuit controlled by MCU will give power supply to IC601 only during transmission J501 is the socket for external MIC and the internal MIC will disconnect automatically when using external MIC but the internal PTT is still effective 5 4 PLL Frequency Synthesizer 607 DAT CLK CS TO MCU Q101 D100 D200 CTCSS 16 8MHz DCS Freq Adj TO MUC MOD IN Figure 7 Schematic Diagram for Frequency Synthesizer The DR 6000 7000 adopts PLL frequency synthesizer 26 DR6000 2 DR7000 2 Service Manual Frequency synthesizer consists of reference oscillator voltage controlled oscillator VCO programmable frequency divider PFD
56. ape brass 1 Machine screw 2 0 4 0 PB Ni plate nylok 328 301200407001X 14 blue patch 329 301200807001X Machine screw M2 0X8 0 six lobe pan Ni plate 2 nylok blue patch 330 301250607001X Machine screw M2 5X6 0 black Ni plate 2 331 306006005001X Mic washer 6 0 0 5 soft PVC 1 332 2010CU780002X Lcd lens 1 333 2020CU780001X CU780 key board silion 1 334 2020CU780002X CU780 mic washer 1 335 2040CU780001X CU780 key board dome 1 336 304200400001X key board screw 2X4 5 337 304200307001X key board screw 2X3 5 338 64 DR6000 2 DR7000 2 Service Manual d Chapter 9 CP 01 Charger 9 1 General Description Function intelligent rapid charging Applicable battery CB 01 1700mAh 7 4V Li ion battery 02 2000 7 4V Li ion battery Battery type identification External Input power supply DC12 0 5V 1000mA ripples 500mV 9 2 Operating environment Temperature 5 C 2 C 55 2 Humidity 95 40 C 9 3 Safety requirements In accordance with safety requirements of CCC CE and UL etc 9 4 Technical Specifications Current 850 100 Max charging time 300 minutes Max Battery temperature 55 Specified voltage of charged battery Nickel hydrogen battery recovery the battery when the voltage lt 3 7V pre charging when the voltage lt 6 4 0 1V when the battery voltage reaches 6 4 0 1V the char
57. e a call press and hold the PTT button then speak into the microphone in normal voice Release the PTT button to receive signals 2 Side Button 1 Programmable Button 3 Side Button 2 Programmable Button 4 Top Button Programmable Button 5 Channel Selector Rotate to select channel 1 16 6 Power Volume Knob Turn clockwise to switch on the radio Turn counterclockwise till a click is heard to switch off the radio Rotate to adjust the volume after turning on the radio 7 LED Indicator LED Indicates Status Alert Green LED lights when a carrier is detected in the current channel Red LED lights during transmission Orange LED flashes when receiving the Radio ID 5 Tone signaling or 2 Tone signaling or MDC signaling Green LED flashes when scanning Red LED flashes when low battery 8 Speaker Microphone Jacks Used to connect the optional speaker microphone 9 MIC Input Please keep your mouth about 10 cm 3 4 inches away from the microphone input to achieve the best voice quality If the distance is too far or too close to the radio it 5 DR6000 2 DR7000 2 Service Manual d will affect the voice quality Programmable Button Function The dealer can program the Side Button 1 Side Button 2 and the Top Button with the following Optional functions None No Function Annunciation Selection Talkaround Call1 Call2 Call3 Call4 Lone Work Emergency Call Cancel Emergency Call Man Down Scan Noise Channel Delete Call Forward H
58. eceiving Low voltage Alarm Adjust power voltage to 6 8V and double click to enter Receiving Low Voltage in Interphone Performance Tuning Mode for automatic detection of the software and then click Save for exit after no or little variation in numbers 7 5 Adjusting explanation Table 3 Voltage controlled oscillator Item Test condition Instrumentation Test point Cotrecting Requirement Remarks member Supply voltage battery Setting terminal 7 4V BMM cy CH Receiving low Locking frequency point TC2 1 0V 0 2V Adjustment voltage CLI Transmitting high lt 4 0V Observation frequency point Table 4 Receiving part Item Test condition Instrumentation Test point Correcting Requirement member 40 DR6000 2 DR7000 2 Service Manual d Audio Test frequency RF signal Volume knob Power of Power Intermediate Frequency generator Speaker clockwise to the Point Interface the end Audio internal Antenna Interface Input Oscillograph Power gt 0 3W speaker RF OUT 47dBm 1mV gt 1 1W MOD 1kHz Audio frequency DEV 1 5kHz voltmeter Audio load 160 distortion test CH Low Frequency Computer SINAD Point Adjustment 12dB or higher CH Integrated tester Frequency Point Sensitivity CH High Frequency Point RF 119
59. frequency has not been set on the channel and the radio has been remote killed Battery power may be insufficient Recharge or replace 7 Noise is too loud the battery pack Beyond the efficient communication range 70
60. ging turns to rapid charging When the battery voltage reaches 8 35V the battery will be deemed as full and the charging will be stopped Li ion battery pre charging when the voltage lt 6 4 0 1V when the battery voltage reaches 6 4 0 1V the charging turns to rapid charging Charging process checking battery voltage battery temperature rise V charging time max Battery temperature 9 5 LED Status Table LED Status RED GREEN Standby battery 0 2s ON not installed 4 5s OFF charging ON Charging ON completed Error 0 2s ON 0 25 65 DR6000 2 DR7000 2 Service Manual d Chapter 10 Block and Schematic 66
61. he holes in the aluminum case If you want to remove the clip from the radio just unscrew them and remove the clip you can put the screws back to make sure you do not loose them Installing Removing the Chassis PCB 1 Remove the antenna channel selector and power volume knob 2 Screw off the two screws at the bottom of the radio by a hexagon screwdriver 3 Pry up the aluminum shell peaking a straight screwdriver in the cross slot at the 15 DR6000 2 DR7000 2 Service Manual d bottom of the aluminum shell and then pull out the surface shell after placing the aluminum shell inclined to the back but please be careful not to snap off the cable of the speaker 4 Screw off the 4 screws M2X3 on the keyboard PCB by a cross screwdriver and take out the FPC from the socket then screw the 5 especially screws M2X3 from main PCB 5 Screw off the 6 screws on the PCB by a cross screwdriver 6 Unsolder the endpoints of the antenna PTT key board and speaker by an electric iron then remove the main board After the disassembly above you can carry out corresponding reparation and debugging according to the actual malfunction 16 DR6000 2 DR7000 2 Service Manual d Exploded View of the Parts 17 DR6000 2 DR7000 2 Service Manual 13 18 DR6000 2 No Parts No Description Qty 1 301250607001X Machine screw M2 5X6 0 b
62. igh level Q304 is on IC302 begins to work and the speaker sounds Speaker Impedance 16ohm CTCSS Signal filtering 24 DR6000 2 DR7000 2 Service Manual The audio signals after demodulation in 12200 may contain CTCSS continuous tone control squelch system or DCS digital squelch signals The spectrum component CTCSS DCS is 67 to 250Hz filtering circuit composed of IC301 can filter out signals except CTCSS DCS spectrum which makes MCU decode the CTCSS DCS more accurately 5 3 Transmitter Tx Transmitter Power Amplifier Figure 4 Schematic Diagram for Power Amplifier and Antenna Switch The modulated RF signals from VCO are amplified by Q101 Q102 and Q105 before the power amplification in Q107 Gate bias of Q105 and Q107 is controlled by APC circuit so the output power of transmitter can be controlled conveniently by changing the gate bias voltage APC Automatic Power Control To Q105 Q107 IC100A 1008 0105 0107 0 395X3 fl Figure 5 Schematic Diagram for Circuit R130 R131 and R132 are power amplification current detector 100 is power amplification current sampling amplifier and ICOOB is power comparison amplifier The power amplification current and IC100A output will increase with oversized output power of transmitter When the output voltage of IC100B decreases the bias voltage of Q105 and Q107 will 25 DR6000 2 DR7000 2 Service Manual decrease fin
63. ill have to press one side of the clip to raise it and slide the battery in proper position Press the battery with your fingers and push the battery until you hear a latch click the battery is now installed Removing the battery pack If you want to remove the battery from the radio first press the battery latch located on the bottom of the radio and then press down to slide the battery about 5mm to release the latch Notice Do not short circuit the battery terminals or dispose the battery in fire 13 DR6000 2 DR7000 2 Service Manual Do not disassemble the battery case Installing Removing Antenna Channel Selector Power Volume Knob Screw the antenna out of the connector at the top of the radio by holding the bottom of the antenna and turn it counter clockwise until apart Using a smooth tool or a tool protected with cloth to hold or prize up form the bottom of channel selector or volume knob until apart Install external speaker MIC Open the cover of the jack for external speaker MIC and then insert the plug of the external speaker or microphone into the jack on the radio When inserting the accessory plug make sure it is properly aligned straight to avoid internal damage to the connector in the radio Installing Removing the Belt Clip 14 DR6000 2 DR7000 2 Service Manual Use the 2 screws 2 5 8 0 supplied with the radio and these screws the holes the radio clip and into t
64. lack Ni plate 2 2 2010CU600005X Radio top cover 1 3 2030CU600003X SMA RF socket standard 1 4 301070500001X Encoder screw M7X0 75 special shape brass 1 5 2020CU600006X RF socket washer 60A 50 high spring silicon 1 6 2020CU600007X Knob washer 60A 50 high spring silicon 1 7 301060400001X Volume screw 6 0 75 special shape brass 1 8 2020CU600005X Power socket washer 60A 50 high spring silicon 1 9 2040CU600002X PTT metal dome plate 1 10 6020600100201 KEYBOARD 1 11 2010CU600004X Ear phone cabinet PC ABS 2950 1 12 1211401601001 SPEAKER 1 13 2020CU600001X PTT silicon key block 60A 50 high spring silicon 1 14 7100600240471 CU600 2 antenna 1 DR6000 2 DR7000 2 Service Manual 15 2010CU600007X Encoder knob black ABS 700 1 16 2010CU600006X Volume knob black ABS 700 1 17 2020 0600003 Alarm silicon key orange 60A 50 high spring silicon 1 18 2010CU600010X Light guider clear PC 1 19 4010CU600E01X LABEL 1 20 2010CU600008X Ear phone cover black 1 21 2010CU600001X Radio front cabinet black PC ABS 2950 1 22 2030CU600004X Spring 2 3 10 5 0 25 spring steel Ni plate 2 23 2040CU600003X 36mm air filter nylon weave 1 24 2010CU600009X Battery locker PC ABS 2950 1 25 2040CU600004X mic air filter 7 0 4 5 0 2 1 26 2020CU600004X Mic waterproof washer 60A 50
65. losive atmosphere e g fuel and chemical storage and transport devices etc Any area of dynamite or exploder Change Components All the components used in repair service should be supplied by our company Other components of the same models available on the market are not surely able to use in this product and we do not guarantee the quality of the product using such components 1 3 Service All the our company products are subject to the service warranty After sales service will be provided and the length of warranty is stated by our company The radio and its accessories are all in the warranty However in one of the following cases charge free service will be not available No valid service warranty or original invoice DR6000 2 DR7000 2 Service Manual Malfunction caused disassemble repair reconstruct the radio by the users without permission Wear and tear or any man made sabotage such as mechanical damage burning or water leaking Product serial number has been damage or the product trademark is difficult to identify Beyond the warranty time lifetime service is still available with paid And we also provide service components to service stations and staff DR6000 2 DR7000 2 Service Manual d Chapter 2 Radio Overview a DR6000 2 4 5 6 T 1 7 8 E re I rf K WHE _ WY ff V 1 PUSH TO TALK Button To mak
66. ocket 293 2030CU600004X Spring 2 3 10 5 0 25 spring steel Ni plate 294 2040CU600001X 3 PIN power socket J502 295 296 297 298 2040CU600002X 2040CU600003X 2040CU600004X 301070500001X CU600 PTT metal dome plate air filter nylon weave mic air filter 7 0 4 5 0 2 Encoder screw M7X0 75 special shape brass 299 301060400001X Volume screw M6X0 75 special shape brass gt 300 301200407001 Machine screw 2 0 4 0 Ni plate nylok blue patch gt 301 301200807001X Machine screw 2 0 8 0 six lobe Ni plate nylok blue patch 302 301250607001X Machine screw M2 5X6 0 PB black Ni plate 303 306006005001X Mic washer 6 0X0 5mm soft PVC 304 305 306 307 308 309 310 52 DR6000 2 DR7000 2 Service Manual DR7000 2 PARTS LIST EE Ver 1 0 m Component No Parts No Description MAN Qty Ref No Name Specification 702DR7000201 DR7000 2 UNIT DR7000 2 portable 4 701DR7000201 1 two way radio DR7000 2 packaging 5 605DR7000201 1 BOM 6 71200CT01001 CT 01 radio ring 1 7 70700CP01001 CP 01 rapid charger 1 8 7100600240471 CU600 U1 antenna G RAPK15165093 B0072 1 9 7110CLP01001 CLP 01 clip 1
67. r Channels 512 DR7000 2 16 DR6000 2 Channel Spacing 12 5kHz TX High 1 6A Current Drain Approx RX Max audio 450mA Internal SP Standby 70mA Antenna Impedance 500 The Gain of Antenna OdBi Battery Standard Configuration Lithium ion Battery 1700mAH 7 4V Operating Temperature 30 60 C Dimensions H x W x D mm 113 5 X 54 X 33 5 With battery gt 2800 DR6000 2 Weight With battery and antenna 2939 DR7000 2 Transmitter Specifications Frequency Stability 30 C to 60 C 25 C Ref 1ppm Power Output 4W FM Modulation 11 E 12 5 2 Data Only 7K60FXD 12 5KHz Data amp Voice 7K60FXW Digital Vocoder Type SELP Digital Protocol ETSI TS102 361 1 2 3 Modulation Limiting 2 5 2 FM amp Noise 40dB typical Conducted Radiated Emission 36dBm 1GHz 30dBm 1GHz Adjacent Channel Power 60dB Audio Response 300 3000Hz 1 3 Audio Distortion 3 Receiver Specifications Sensitivity Analog 0 28 typical 12dB SINAD Analog 0 50 typical 20dB SINAD Digital 0 30uV BER 5 Intermodulation EIA 65 dB 68 DR6000 2 DR7000 2 Service Manual Adjacent Channel Selectivity 60 dB Spurious Rejection 70 dB Rated Audio 750 mW 16 amp Audio Distortion Rated Audio 396 Audio Response 300 3000 2 1 3 dB Conducted Spurious Emission 57 dBm 1 GHz 47 dBm 1
68. r 20 7110CLPO1001 CLP 01 clip 21 70600 01001 Battery CB 01 OR CB 02 70600CB02001 22 2020CU600002X Cabinet waterproof ring 23 301200807001X Machine screw M2 0X8 0 six lobe pan 24 Main PCB 25 Key broad PCB 26 304200400001x Key screw 2X4 27 2040CU780001x Key broad dome 28 304200307001x Key broad screw 2X3 29 2010CU600009X Battery locker black 2950 30 2020CU780001x Key broad 21 DR6000 2 DR7000 2 Service Manual Chapter 5 Circuit Description 5 1 Frequency configuration The reference frequency of frequency synthesizer is provided by 16 8MHz crystal oscillator X1 TCXO The receiver adopts quadric mixing mode The first IF is 49 95MHz and the second IF is 450kHz The first local oscillation signal of the receiver is produced by frequency synthesizer and the second local oscillation signal selects the 4 harmonics of 16 8MHz of crystal oscillator X1 TCXO The signal of transmitter is produced by frequency synthesizer directly D101 D102 RF AMP PROCESSOR vco PLL 0 16 8MHz Figure 1 Frequency configuration 5 2 Receiver Rx The receiver is double conversion superheterodyne designed to operate in the frequency range of 400 to 470MHz The frequency configuration in Fig 1 1 BASE BAND PROCESSOR Figure 2 Receiver section configuration Front End of Receiver Signals from the antenna are filtered by BPF which consists of C235 C236 C233 C604 C252 C951 C234 22 DR6000 2 DR7000 2
69. receiver are sent to MCU pin 25 for decoding and then MCU test if there are CTCSS DCS signals with the same setting of the station to decide whether open the speaker or not CTCSS continuous tone control squelch system hereinafter referred to as CTCSS is a kind of squelch control system with modulation on carrier and continuous sub audio signals as pilot tone If CTCSS function is set the call is available only at the same CTCSS frequency of both receiving and transmitting parties to avoid the disturbance of other signals The station has 39 groups of standard CTCSS frequency for your selection such as Table 1 CTCSS signals produced by MCU are sent to TCXO for modulation Table 1 CTCSS Frequency Table No Frequency No Frequency No Frequency No Frequency Hz Hz Hz Hz 1 67 0 11 94 8 21 131 8 31 186 2 2 69 3 12 97 4 22 136 5 32 192 8 3 71 9 13 100 0 23 141 3 33 203 5 4 74 4 14 103 5 24 146 2 34 210 7 5 77 0 15 107 2 25 151 4 35 218 1 6 79 7 16 110 9 26 156 7 36 225 7 7 82 5 17 114 8 27 162 2 37 233 6 8 85 4 18 118 8 28 167 9 38 241 8 9 88 5 19 123 0 29 173 8 39 250 3 10 91 5 20 127 3 30 179 9 DCS signaling DCS Digital code squelch is a kind of continuous digital code modulated on carrier with voice signal and used for squelch control If DCS function is set the speaker is available only when receiving the same DCS code to avoid the disturbance of useless
70. to enter DCS frequency offset in Interphone Performance Tuning Mode adjust potentiometer VR1 to observe demodulated signal the waveform shall be smooth and similar to square wave and then click Broadband to adjust all points including Lowest Low Mid High and Highest respectively for frequency offset of 0 8kHz After that click Narrowband to adjust the frequency offset to 0 4kHz 7 3 7 CTCSS frequency offset adjustment Double click to enter 67 frequency offset in Interphone Performance Tuning Mode and click Broadband to adjust the five frequency points including Lowest Low Mid High and Highest respectively to 0 75kHz and then click Narrowband to adjust the frequency offset to 0 35kHz Select QT 254 frequency offset Interphone Performance Tuning Mode and the debugging method is the same as that of QT 670 frequency offset 7 3 8 Receiving Sensitivity Double click to enter Receiving Sensitivity in Interphone Performance Tuning Mode to adjust the five 39 DR6000 2 DR7000 2 Service Manual amp frequency points including LCVV85L Low Mid High and Highest respectively and the number from 0 to 255 for setting max sensitivity of all points 7 3 9 Receiver Squelch setting Double click to enter SQL9 open in Interphone Performance Tuning Mode and click Broadband to make the frequenc
71. while transmitter amplifier circuit 0105 0107 and receiver audio amplifier IC302 use battery directly for power supply and other circuits use regulated voltage 5V and 3 3V 602 5C controlled by MCU 5V LDO 603 5M 5R controlled by MCU 5V LDO 604 5T controlled by MCU 5V LDO 605 3 3V DC DC C618 3 3V LDO is the supply power of frequency synthesizer 28 DR6000 2 DR7000 2 Service Manual 5 8 MCU Unit TOPLL CTC DCS OUT MOD2 BIAS Control C su DQT IN POW DET Channel SW Figure 9 Schematic Diagram for MCU Unit MCU Unit controls the operation of every unit to realize all functions of the DR 6000 7000 Communication with external PC State data access Control PLL for the generation receiving and transmitting of local oscillation frequency Access to the current channel state Control LED status indicator Control power supplied condition of every unit Detect action of every function key Produce CTCSS signal Produce DCS signal Produce power controlled signal Finish CTCSS decoding Finish DCS decoding Squelch detection and control Control voice prompt content Memory FLASH Channel data CTCSS DCS data and other function setting data and parameter adjustment data CTCSS DCS signal coding and decoding 29 DR6000 2 DR7000 2 Service Manual CTCSS DCS signals from MCU are sent to TCXO for modulation respectively CTCSS DCS signals from
72. y of the transmitting signal corresponding to the receiving frequency level of 116dBm modulation signal of 1kHz and frequency offset of 3kHz showed at each frequency point of the software Enter all points including Lowest Low Mid High and Highest respectively for automatic adjustment of software and then press next point after no big change to numbers After that adjust Narrowband the debugging method is the same as that of Broadband except the input modulation signal is changed to frequency of 1kHz and frequency offset of 1 5kHz Select 5019 open Interphone Performance Tuning Mode and click Broadband to make the frequency of the transmitting signal corresponding to the receiving frequency level of 118dBm modulation signal of 1kHz and frequency offset of 1 5kHz showed at each frequency point of the software Enter all points including Lowest Low High and Highest respectively for automatic adjustment of software and then press next point after no big change to numbers After that adjust Narrowband the debugging method is the same as that of Broadband except the input modulation signal is changed to frequency of 1kHz and frequency offset of 1 5kHz Select 5011 open and SQL1 close respectively in Interphone Performance Tuning Mode and adjust by the same method except the open level of transmitting signal changed to 120dBm and the close level to 126dBm 7 4 R

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