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Connect Systems CS700 Service Manual

Manual is about: UHF/VHF Radio

Summary of CS700

  • Page 1

    Dr6000-2/dr7000-2 service manual 1 dr6000-2 dr7000-2 service manual.

  • Page 2

    Dr6000-2/dr7000-2 service manual 2 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 app...

  • Page 3

    Dr6000-2/dr7000-2 service manual 3 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 pr...

  • Page 4

    Dr6000-2/dr7000-2 service manual 4 malfunction caused by disassemble, repair or 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 difficu...

  • Page 5

    Dr6000-2/dr7000-2 service manual 5 chapter 2 radio overview a. Dr6000-2 1. Ptt ( 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. 2. Side button 1 (programmable button) 3. Side button 2(prog...

  • Page 6

    Dr6000-2/dr7000-2 service manual 6 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 emer...

  • Page 7

    Dr6000-2/dr7000-2 service manual 7 b. Dr7000-2 10. Ptt ( 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. ...

  • Page 8

    Dr6000-2/dr7000-2 service manual 8 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/micropho...

  • Page 9

    Dr6000-2/dr7000-2 service manual 9 gps auto tx zone0 scan add/del man-down normal record/record stop protected record/record stop record play/play next/play stop record delete surveillance … ….

  • Page 10: Mode Combinations

    Dr6000-2/dr7000-2 service manual 10 chapter 3 mode introduction mode combinations mode function how to access normal user mode for normal use power on user mode field programming mode programming the basic information of the radio menu or programmable key data programming mode reading and writing fr...

  • Page 11

    Dr6000-2/dr7000-2 service manual 11 1. Install dr-6000 programming software on the computer. 2. As shown in the figure below, connect the radio to the computer through a special serial or usb programming cable. Figure 3-1 3. Turn on the power of the computer. 4. Turn on the power of the radio. 5. Cl...

  • Page 12

    Dr6000-2/dr7000-2 service manual 12 （ 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(-...

  • Page 13

    Dr6000-2/dr7000-2 service manual 13 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 ar...

  • Page 14

    Dr6000-2/dr7000-2 service manual 14 * 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 to...

  • Page 15

    Dr6000-2/dr7000-2 service manual 15 use the 2 screws (m2.5x8.0) supplied with the radio and fix these screws on the holes in the radio clip and into the 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 m...

  • Page 16

    Dr6000-2/dr7000-2 service manual 16 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 ta...

  • Page 17

    Dr6000-2/dr7000-2 service manual 17 exploded view of the parts.

  • Page 18

    Dr6000-2/dr7000-2 service manual 18 dr6000-2 no. Parts no. Description qty. 1 301250607001x machine screw m2.5x6.0 pb(+) black ni-plate 2 2 2010cu600005x radio top cover black 1 3 2030cu600003x sma rf socket standard 1 4 301070500001x encoder screw m7x0.75 special shape brass 1 5 2020cu600006x rf so...

  • Page 19

    Dr6000-2/dr7000-2 service manual 19 15 2010cu600007x encoder knob black abs 700 1 16 2010cu600006x volume knob black abs 700 1 17 2020cu600003x alarm silicon key orange 60a 50% high spring silicon 1 18 2010cu600010x light-guider clear pc 1 19 4010cu600e01x logo label 1 20 2010cu600008x ear phone cov...

  • Page 20

    Dr6000-2/dr7000-2 service manual 20 dr7000-2.

  • Page 21

    Dr6000-2/dr7000-2 service manual 21 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 2020cu600001x ptt silicon key 8 2010dr600002x ptt plastic key blue pc+abs ...

  • Page 22

    Dr6000-2/dr7000-2 service manual 22 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 ...

  • Page 23

    Dr6000-2/dr7000-2 service manual 23 c255 c260 l211 l209 l208 d201 d202 and d204 via rx/tx switch (d101 d102 and d103). After being filtered out the useless out-of-band signals, the signals are amplified by lna consisting of q203 and external components. Signals from lna are filtered again by bpf whi...

  • Page 24

    Dr6000-2/dr7000-2 service manual 24 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 ic301 （ ctcss signaling filter circuit. Squelch circuit part of the af signal from the ic20...

  • Page 25

    Dr6000-2/dr7000-2 service manual 25 the audio signals after demodulation in ic200 may contain ctcss (continuous tone control squelch system) or dcs（digital squelch）signals. The spectrum component of ctcss/dcs is 67 to 250hz. The filtering circuit composed of ic301 can filter out signals except ctcss...

  • Page 26

    Dr6000-2/dr7000-2 service manual 26 decrease, finally 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 t...

  • Page 27

    Dr6000-2/dr7000-2 service manual 27 frequency synthesizer consists of reference oscillator, voltage controlled oscillator (vco), programmable frequency divider (pfd), 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 d...

  • Page 28

    Dr6000-2/dr7000-2 service manual 28 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 voi...

  • Page 29

    Dr6000-2/dr7000-2 service manual 29 5.8 mcu unit : 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 ...

  • Page 30

    Dr6000-2/dr7000-2 service manual 30 ctcss/dcs signals from mcu are sent to tcxo for modulation respectively . Ctcss/dcs signals from 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...

  • Page 31

    Dr6000-2/dr7000-2 service manual 31 032 131 243 351 503 664 043 132 244 364 506 703 047 134 245 365 516 712 051 143 251 371 532 723 054 152 261 411 546 731 065 155 263 412 565 732 071 156 265 413 606 734 072 162 271 423 612 743 073 165 306 431 624 754 074 172 311 432 627 5.9 description of semicondu...

  • Page 32

    Dr6000-2/dr7000-2 service manual 32 22 s vdda vdda connected to 3.3v. 23 i pa0/ adc123_in0 mandown mandown input; 24 i pa1/ adc123_in1 batt battery input; 25 i pa2/ adc123_in2 qt/dqt_in ctcss/dcs input 26 i pa3/ adc123_in3 vox vox input 27 s vss_4 vss_4 connected to vssa 28 s vdd_4 vdd_4 connected t...

  • Page 33

    Dr6000-2/dr7000-2 service manual 33 53 i pb14/ spi2_miso dmr_sdo c5000 serial data input 54 o pb15/ spi2_mosi dmr_sdi c5000 serial data output 55 i pd8 pll_ld pll lock detect(high active) 56 o pd9 pll_cs pll chip select 57 o pd10 pll_dat pll data output 58 o pd11 pll_clk pll clock output 59 o pd12 l...

  • Page 34

    Dr6000-2/dr7000-2 service manual 34 80 i pc12/ i2s3_sd i2s_tx dmr i2s_tx 81 i/o pd0 k2 key board k2 input 82 i/o pd1 k3 key board k3 input 83 i/o pd2 k4 key board k4 input 84 i/o pd3 k5 key board k5 input 85 i/o pd4 k6 key board k6 input 86 i/o pd5 k7 key board k7 input 87 i/o pd6 k8 key board k8 in...

  • Page 35

    Dr6000-2/dr7000-2 service manual 35 ic614 stm32f405vgt6 mcu ic615 pst9124nr mcu reset circuit ic609 hr_c5000-1 base band processor.

  • Page 36

    Dr6000-2/dr7000-2 service manual 36 chapter 6 pcb layout.

  • Page 37

    Mic1 c5 d4 d5 d8 c4 c3 r1 d2 d3 d6 c7 c8 c9 j1 d1 d9 c2 d7 c6 c13 c1.

  • Page 38

    R6 r5 r9 r3 r4 r2 r14 r12 r13 r10 r11 c15 j2 r8 q2 c16 c14 c12 r2 0 r1 8 r1 5 r1 7 c11 q1 r1 9 r2 2 c1 0 r7 r21 c1 7 r1 6 ic1 r2 3.

  • Page 39

    C6 5 4 c6 5 0 r671 r686 k1 r6 3 1 r687 c6 5 1 r1 5 3 r146 c80 r 145 c1 4 1 r 141 r 1 3 8 c7 3 4 c7 3 5 c7 1 7 c7 3 8 c653 r1 4 4 c1 5 2 c137 r142 r6 6 6 r6 6 7 q106 q612 c158 c139 c7 3 2 c7 3 3 r 664 c757 c750 c1 2 7 c1 6 2 r662 r663 l612 l6 10 d9 0 3 c 704 r 698 c740 r6 2 9 c751 c753 x602 r6 7 3 c4...

  • Page 40

    R3 2 3 c3 1 9 r6 8 1 c2 6 1 c1 4 7 r3 1 8 c3 1 8 r2 1 8 l212 d103 c144 r147 d102 l110 c145 l112 c150 l114 c154 c3 0 8 r3 2 0 l2 14 c947 r950 r228 r219 l207 c81 r230 r231 r232 c2 6 0 r3 1 6 d203 c958 r2 2 4 d201 c253 c83 c254 d204 c170 c 138 c1 4 3 c6 6 l113 c237 c949 c950 l1 09 r139 c 9 3 9 l9 04 r2...

  • Page 41

    Dr6000-2/dr7000-2 service manual 37 chapter 7 adjustment 7.1 required test equipment table 1 number name parameter requirements 1 computer above p2, compatible ibm pc, windows 98/me/2000/xpoperating system 2 programming software ard001 3 programming cable 4 dubbing cable cpl-01 5 dc regulator output...

  • Page 42

    Dr6000-2/dr7000-2 service manual 38 figure 1 external speaker/microphone interface definition 7.2 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 ...

  • Page 43

    Dr6000-2/dr7000-2 service manual 39 low frequency point intermediate frequency point high frequency point dr6000-2 dr7000-2 400.100 mhz 435.100 mhz 469.975 mhz 7.3.2 pll frequency calibration double-click to enter “frequency stability” in “interphone performance tuning” to achieve the rated transmit...

  • Page 44

    Dr6000-2/dr7000-2 service manual 40 frequency points including ”lowest”, “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 an...

  • Page 45

    Dr6000-2/dr7000-2 service manual 41 audio power test frequency: intermediate frequency point antenna interface input: rf out：-47dbm(1mv) mod：1khz dev：±1.5khz audio load: 16Ω (volume knob clockwise to the end) audio power>0.3w power of the internal speaker： >1.1w sensitivity ch: low frequency point c...

  • Page 46

    Dr6000-2/dr7000-2 service manual 42 chapter 8 dr6000-2/dr7000-2 bom tp-6000-2 dr6000-2 parts list ver. 1.0 no. Parts no. Description component name/specification qty. Ref. No. 1 2 3 702dr6000201 dr6000-2 unit 4 701dr6000201 dr6000-2 portable two-way radio 1 5 605dr6000201 dr6000-2 packaging bom 1 6 ...

  • Page 47

    Dr6000-2/dr7000-2 service manual 43 26 1090439150001 0402 chip r 390Ω rc0402jr-07390r 1 r152 27 1090447150001 0402 chip r 470Ω rc0402jr-07470r 1 r630 28 1090468150001 0402 chip r 680Ω rc0402jr-07680r 1 r110 29 1090410250001 0402 chip r 1kΩ rc0402jr-071k 16 c531 r222 r328 r413 r418 r419 r420 r631 r63...

  • Page 48

    Dr6000-2/dr7000-2 service manual 44 50 1090410450001 0402 chip r 100kΩ rc0402jr-07100k 21 r21 r34 r202 r221 r225 r318 r323 r325 r341 r606 r607 r608 r626 r629 r644 r645 r651 r653 r667 r675 r683 51 1090412450001 0402 chip r 120kΩ rc0402jr-07120k 5 r30 r316 r320 r340 r688 52 1090415420001 0402 chip r 1...

  • Page 49

    Dr6000-2/dr7000-2 service manual 45 83 1090610450001 0603 chip r 100kΩ rc0603jr-07100k 2 r217 r227 84 1090610550001 0603 chip r 1mΩ rc0603jr-071m 1 r304 85 86 1090700050001 0805 chip r 0Ω rc0805jr-070r 2 r127 r962 87 88 10910r3950001 1206 chip r 0.39Ω rc1206jr-07r39 3 r130 r131 r132 89 90 1190647350...

  • Page 50

    Dr6000-2/dr7000-2 service manual 46 117 1120434716091 0402 chip c 470pf 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 c40...

  • Page 51

    Dr6000-2/dr7000-2 service manual 47 131 1120431046031 0402 chip c 0.1μf grm155r61a104ka01d 64 c63 c64 c104 c113 c131 c156 c207 c209 c210 c256 c302 c303 c322 c327 c412 c413 c415 c525 c606 c613 c615 c619 c626 c630 c631 c635 c639 c641 c644 c645 c649 c659 c662 c668 c669 c671 c681 c686 c701 c710 c711 c71...

  • Page 52

    Dr6000-2/dr7000-2 service manual 48 152 153 1120732005091 0805 chip c 20pf grm2165c1h200ja01d 1 c130 154 1120731066031 0805 chip c 10μf grm21br61a106k 16 c200 c304 c307 c332 c527 c614 c627 c632 c636 c665 c666 c700 c722 c740 c956 c970 155 0805 chip c 22μf grm21br61a226m 2 c653 c655 156 157 1120721047...

  • Page 53

    Dr6000-2/dr7000-2 service manual 49 179 1140623316001 small fixed inductor 330nh mlf1608ar33kt000 1 l4 180 1140715615001 small fixed inductor 560nh c2012cr56j (or sdwl2012cr56jstf) 1 l200 181 1140625616001 small fixed inductor 0.56μh mlf1608dr56kt 1 l5 182 1141021027001 small fixed inductor 1μh lqh3...

  • Page 54

    Dr6000-2/dr7000-2 service manual 50 209 1040002498801 transistor 2sc4988frtr 1 q102 210 1040002506601 transistor 2sc5066-y 6 q1 q2 q6 q100 q101 q201 211 1040000012301 transistor dta123je-tl 1 q604 212 1040000014301 transistor dta143zetl 1 q902 213 1040000011401 transistor dtc114ee-tl 2 q400 q401 214...

  • Page 55

    Dr6000-2/dr7000-2 service manual 51 244 1020000755101 operational amplifier tc75s51f 1 ic610 245 1020000300001 watchdog hr_v3000s 1 ic611 246 1020000324051 microprocessor stm32f405vgt6 1 ic614 247 248 249 others 250 1221008000001 chip crystal resonator dsx321g (8mhz) 1 x603 251 1221029491201 chip cr...

  • Page 56

    Dr6000-2/dr7000-2 service manual 52 281 2010cu600009x cu600 battery locker black pc+abs 2950 1 282 2010cu600010x cu600 light-guider clear pc 1 283 2020cu600001x cu600 ptt silicon key block 60a 50% high spring silicon 1 284 2020cu600002x cu600 cabinet waterproof ring orange 40a 50% high spring silico...

  • Page 57

    Dr6000-2/dr7000-2 service manual 53 tp-7000-2 dr7000-2 parts list ver. 1.0 no. Parts no. Description component name/specification qty. Ref. No. 1 2 3 702dr7000201 dr7000-2 unit 4 701dr7000201 dr7000-2 portable two-way radio 1 5 605dr7000201 dr7000-2 packaging bom 1 6 71200ct01001 ct-01 radio ring 1 ...

  • Page 58

    Dr6000-2/dr7000-2 service manual 54 29 1090410250001 0402 chip r 1kΩ rc0402jr-071k 16 c531 r222 r328 r413 r418 r419 r420 r631 r638 r660 r661 r662 r670 r685 r695 r901 30 1090415250001 0402 chip r 1.5kΩ rc0402jr-071k5 2 r112 r331 31 1090418250001 0402 chip r 1.8kΩ rc0402jr-071k8 1 r201 32 109042225000...

  • Page 59

    Dr6000-2/dr7000-2 service manual 55 51 1090412450001 0402 chip r 120kΩ rc0402jr-07120k 5 r30 r316 r320 r340 r688 52 1090415420001 0402 chip r 150kΩ rc0402dr-07150k 7 r133 r134 r135 r136 r137 r138 r632 53 1090418450001 0402 chip r 180kΩ rc0402jr-07180k 2 r145 r604 54 1090420450001 0402 chip r 200kΩ r...

  • Page 60

    Dr6000-2/dr7000-2 service manual 56 89 90 1190647350001 thermistor ncp18wb473j03rb 1 th102 91 92 93 capacitor 94 112043p500091 0402 chip c 0.5pf grm1555c1hr50bz01d 2 c40 c49 95 1120431p00091 0402 chip c 1pf grm1555c1h1r0bz01d 2 c226 c238 96 1120432p00091 0402 chip c 2pf grm1555c1h2r0bz01d 2 c29 c239...

  • Page 61

    Dr6000-2/dr7000-2 service manual 57 117 1120434716091 0402 chip c 470pf 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 c40...

  • Page 62

    Dr6000-2/dr7000-2 service manual 58 131 1120431046031 0402 chip c 0.1μf grm155r61a104ka01d 64 c63 c64 c104 c113 c131 c156 c207 c209 c210 c256 c302 c303 c322 c327 c412 c413 c415 c525 c606 c613 c615 c619 c626 c630 c631 c635 c639 c641 c644 c645 c649 c659 c662 c668 c669 c671 c681 c686 c701 c710 c711 c71...

  • Page 63

    Dr6000-2/dr7000-2 service manual 59 152 153 1120732005091 0805 chip c 20pf grm2165c1h200ja01d 1 c130 154 1120731066031 0805 chip c 10μf grm21br61a106k 16 c200 c304 c307 c332 c527 c614 c627 c632 c636 c665 c666 c700 c722 c740 c956 c970 155 0805 chip c 22μf grm21br61a226m 2 c653 c655 156 157 1120721047...

  • Page 64

    Dr6000-2/dr7000-2 service manual 60 179 1140623316001 small fixed inductor 330nh mlf1608ar33kt000 1 l4 180 1140715615001 small fixed inductor 560nh c2012cr56j (or sdwl2012cr56jstf) 1 l200 181 1140625616001 small fixed inductor 0.56μh mlf1608dr56kt 1 l5 182 1141021027001 small fixed inductor 1μh lqh3...

  • Page 65

    Dr6000-2/dr7000-2 service manual 61 209 1040002498801 transistor 2sc4988frtr 1 q102 210 1040002506601 transistor 2sc5066-y 6 q1 q2 q6 q100 q101 q201 211 1040000012301 transistor dta123je-tl 1 q604 212 1040000014301 transistor dta143zetl 1 q902 213 1040000011401 transistor dtc114ee-tl 2 q400 q401 214...

  • Page 66

    Dr6000-2/dr7000-2 service manual 62 244 1020000755101 operational amplifier tc75s51f 1 ic610 245 1020000300001 watchdog hr_v3000s 1 ic611 246 1020000324051 microprocessor stm32f405vgt6 1 ic614 247 248 249 others 250 1221008000001 chip crystal resonator dsx321g (8mhz) 1 x603 251 1221029491201 chip cr...

  • Page 67

    Dr6000-2/dr7000-2 service manual 63 280 281 1120434716091 0402 chip c 470pf grm155r71h471ka01d 3 c11 c16 c17 282 1120431036071 0402 chip c 0.01μf grm155r71e103ka01d 2 c12 c15 283 1120631046091 0603 chip c 0.1μf grm188r71h104ka01d 3 c3 c4 c10 284 1120631056051 0603 chip c 1μf grm188r61c105ka01d 7 c1 ...

  • Page 68

    Dr6000-2/dr7000-2 service manual 64 317 2030cu600001x cu600 al cabinet polishing adc 12 1 318 2030cu600002x cu600 battery metal locker polishing sus304 1 319 2030cu600003x sma rf socket 1 320 2030cu600004x spring Φ2.3x10.5 Φ0.25 spring steel ni-plate 2 321 2040cu600001x 3 pin power socket 1 j502 322...

  • Page 69

    Dr6000-2/dr7000-2 service manual 65 chapter 9 cp-01 charger 9.1 general description : function: intelligent rapid charging applicable battery: cb-01(1700mah, 7.4v li-ion battery) cb-02(2000mah, 7.4v li-ion battery) battery type identification: external input power supply: dc12±0.5v, 1000ma, ripples ...

  • Page 70

    Dr6000-2/dr7000-2 service manual 66 chapter 10 block and schematic.

  • Page 71

    1 2 3 4 5 6 7 8 a b c d 8 7 6 5 4 3 2 1 d c b a ant lpf q107 rd07 d101 hvu131 rf amp ant sw q105 2sk3475 rf amp q102 2sc4988 rf amp q101 2sc5066 rf amp d100,d200 ma2s077 t/r sw q100 2sc5066 rf amp q6 2sc5066 buff amp q2 2sc5066 rf amp q4 2sk508 tx vco q7,q5 2sj243,umc4 dc sw q3 2sk508 rx vco q8 2sc4...

  • Page 72

    1 2 3 4 a b c d 4 3 2 1 d c b a k1 1 k2 2 k3 3 k4 4 k5 5 k6 6 k7 7 k8 8 lcd-1 9 lcd-2 10 lcd-3 11 lcd-4 12 lcd-5 13 lamp 14 vcc 15 gnd 16 mic 17 0 18 j2 18pinbtb cs 1 1 re s 2 a0 3 db6 4 db7 5 vdd 6 vs s 7 vout 8 c3p 9 c1n 10 c1p 11 c2p 12 c2n 13 v4 14 v3 15 v2 16 v1 17 v0 18 j1 18pinfpc mic1 c15 0....

  • Page 73

    1 2 3 4 5 6 7 8 9 10 11 12 13 a b c d e 13 12 11 10 9 8 7 6 5 4 3 2 1 e d c b a r102 270r c25 470p l6 18n c29 2p q400 dtc114ee q401 dtc114ee r402 220r r403 22r c406 470p r426 8.2k c402 470p r410 8.2k d 400 re d d 401 g r een r417 10r r5 0r c12 0.1u r7 0r r10 56r r9 22r c15 2.2u c18 0.1u r13 0r r15 1...

  • Page 74

    Dr6000-2/dr7000-2 service manual 67 appendix 1 abbreviations amp (amplify, amplifier) ant （antenna） apc （automatic 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 ...

  • Page 75

    Dr6000-2/dr7000-2 service manual 68 appendix 2: main technical indexes technical parameters dr6000-2 dr7000-2 general specifications power supply 7.4v dc ±20% frequencies - full bandsplit 400~470mhz number of channels 512 (dr7000-2) 16 (dr6000-2) channel spacing 12.5khz tx high rx max. Audio current...

  • Page 76

    Dr6000-2/dr7000-2 service manual 69 adjacent channel selectivity 60 db spurious rejection 70 db rated audio 750 mw(16Ω) audio distortion @ rated audio 3% audio response (300-3000hz) +1 ~ -3 db conducted spurious emission -57 dbm -47 dbm>1ghz ets 300 086.

  • Page 77

    Dr6000-2/dr7000-2 service manual 70 appendix 3: troubleshooting no. Problems solutions 1 the radio cannot be switched on or no display after switched on. Z battery pack may not be installed properly. Remove the battery pack and install it again. Z battery power may be insufficient. Recharge or repla...