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QUANTUN QP650U Plus Service Manual

Summary of QP650U Plus

  • Page 1

    - 1 - qp-650u plus service manual quantun electronics，llc.

  • Page 2: Revised History

    - 2 - revised history no: date decription version note 1 2010-3-9 issue v0.1a.

  • Page 3: Content

    - 3 - content general……………………………………………………………………………3 brief introduction………………………………………………………………..4 software description…………………………………………………………..6 circuit description……………………………………………………………..10 cpu pins…………………………………………………………………………15 part list 1………………………………………………………………………..17 adjustment description……………...

  • Page 4: General

    Qp-650u plus general - 4 - general manual scope this manual is intended for use by experienced technicians familiar with similar types of communication equipment. It contains all service information required for the equipment and is current as of the publication date. User safety information the fol...

  • Page 5: Brief Introduction

    Qp-650u plus brief introduction - 5 - brief introduction 1. Antenna 2. Led indicator the light will glow red during transmission. The light will glow green during receiving. During transmission, the light flashes red when the battery voltage is low. 3. Channel selector knob turn the channel selector...

  • Page 6

    Qp-650u plus brief introduction - 6 - 1)vox 2)power level 3)monitor 4)monitor momentary 5)scan 6)squelch off 7)squelch off momentary 8)channel lock 9) battery indicator 7. Microphone 8. Speaker 9. External jack remove the jack cover and insert an earphone; or insert programming cable into the jack t...

  • Page 7

    Qp-650u plus software specification - 7 - software specification radio feature description 1. Use channel selector knob to choose from 16 channels 2. Channel annunciation, the feature enables radio to report the current channel number when power on or switching channel,. 3. Channel spacing 12.5khz/2...

  • Page 8

    Qp-650u plus software specification - 8 - （ 4） high/low power （ 5） busy channel lockout （ 6） tail elimination （ 7） vox level （ 8） squelch level （ 9） time-out timer （ 10） dtmf ptt id （ 11） vox level （ 12） scan mode （ 13） scan revert channel （ 14） priority scan channel （ 15） channel annunciation （ 16）...

  • Page 9

    Qp-650u plus software specification - 9 - 4. Manual adjust mode (1) enter the manual adjust mode turn channel knob to channel1, turn on the power while holding down ptt and side key simultaneously for 2 seconds, orange led will flashing two times., release the ptt and sk1 key , then press ptt button...

  • Page 10

    Qp-650u plus software specification - 10 - defination ch. No. Frequency bandwidth 1 f1 w 2 f2 w 3 f3 w 4 f4 w 5 f5 w 6 f3 m 7 f1 n 8 f3 n 9 f5 n 5. User wired clone mode (1). Turn on the power while holding down side key for 2 seconds, green led flash two times, the radio enters wired clone mode. (2...

  • Page 11: Circuit Description

    Qp-650u plus circuit description - 11 - circuit description 1. Power supply power supply of the radio is derived from the battery, which supplies battery b+ through power switch. U608 supplies 5v (5m) voltage for the control circuit. U607 supplies 3v voltage for the pll circuit. And u200 supplies vo...

  • Page 12

    Qp-650u plus circuit description - 12 - the output signal from phase comparator is filtered through a low pass filter to generate a level d.C., and the level d.C. Controls oscillator frequency by controlling vco. Vco the operating frequency is generated by q100 in transmit mode and by q101 in receiv...

  • Page 13

    Qp-650u plus circuit description - 13 - again in u200 to create a 450 khz second if signal. The second if signal then passes through a 450khz ceramic filter to eliminate unwanted signals before it is amplified and detected in u200. 4. Transmitter af and signaling af signal from the microphone is amp...

  • Page 14

    Qp-650u plus circuit description - 14 - 5. Base band and signaling system the block diagram of signaling section is shown as figure 5. Fig. 5 af and signaling circuit ctc/cdc transmit: ctc/cdc signaling produced by ctc_pll pass a low pass filter and then enters vcxo. Ctc/cdc signaling produced by ct...

  • Page 15

    Qp-650u plus circuit description - 15 - ptt/rxd rssi moni busy qt_in voxdet batt ld beep apc_sw dtmfo qt_out apc/tv save w/n m_band spv_c mic_en ctc/cdc code pll ic audio processor txd/rxd fig.6 mcu block diagram circuit in this section is mainly comprised of mcu, eeprom etc. Mcu control circuit acc...

  • Page 16: Cpu Pins

    Qp-650u plus mcu pins - 16 - cpu pins pin no. Pin name i/o description 1 nc 2 sdl i/o eeprom data 3 mode 4 nc 5 nc 6 reset i reset input 7 xout crystal oscillator output pin 8 gnd gnd 9 xin crystal oscillator input pin 10 vcc i vcc 11 nc 12 dtmf o dtmf output 13 apc/tv o power control/ receiver tuni...

  • Page 17

    Qp-650u plus mcu pins - 17 - pin no. Pin name i/o description 38 nc 39 nc 40 ledr o red light control：h，lit；l，out 41 ledg o green light control：h，lit；l，out 42 ptt i ptt key in 43 sk1 i side key1 44 ext_dev i ext_dev detect 45 apcsw o apc sw 46 nc 47 nc 48 nc 49 nc 50 busy i squelch level input 51 ba...

  • Page 18

    Qp-650u plus part list1 - 18 - part list 1 no. P/n description refer. No. Qty. Note 1 1501061040 capacitor 0603 0.1uf k 50v c100 1 2 1701084750 tan-capacitor 0805 4.7uf m 10v c101 1 3 1701121060 tan-capacitor 1206 0.1uf m 16v c102 1 4 1501041030 capacitor 0402 0.01uf k 25v c105 1 5 1501041020 capaci...

  • Page 19

    Qp-650u plus part list1 - 19 - no. P/n description refer. No. Qty. Note 19 1501040600 capacitor 0402 6pf b 50v c124 1 20 1501060590 capacitor 0603 0.5pf b 50v c125 1 21 1501061040 capacitor 0603 0.1uf k 50v c126 1 22 1501041040 capacitor 0402 0.1uf k 16v c127 1 23 1501040600 capacitor 0402 6pf b 50v...

  • Page 20

    Qp-650u plus part list1 - 20 - no. P/n description refer. No. Qty. Note 38 1501044710 capacitor 0402 470pf j 50v c201 1 39 1501044740 capacitor 0402 0.47uf z 25v c202 1 40 1501042240 capacitor 0402 0.22uf z 25v c203 1 41 1501041020 capacitor 0402 1000pf k 50v c204 1 42 1501041040 capacitor 0402 0.1u...

  • Page 21

    Qp-650u plus part list1 - 21 - no. P/n description refer. No. Qty. Note 57 1501044730 capacitor 0402 0.047uf k 25v c225 1 58 1501041050 capacitor 0402 1uf k 6.3v c226 1 59 1501046830 capacitor 0402 0.068uf k 25v c227 1 60 1501043910 capacitor 0402 390pf j 50v c228 1 61 1701081060 tan-capacitor 0805 ...

  • Page 22

    Qp-650u plus part list1 - 22 - no. P/n description refer. No. Qty. Note 76 1501045620 capacitor 0402 5600pf k 25v c244 1 77 1501043300 capacitor 0402 33pf j 50v c245 1 78 1501041050 capacitor 0402 1uf k 6.3v c246 1 79 1501041050 capacitor 0402 1uf k 6.3v c247 1 80 1501041040 capacitor 0402 0.1uf k 1...

  • Page 23

    Qp-650u plus part list1 - 23 - no. P/n description refer. No. Qty. Note 95 1501041020 capacitor 0402 1000pf k 50v c265 1 96 1501041010 capacitor 0402 100pf j 50v c266 1 97 1501041040 capacitor 0402 0.1uf k 16v c267 1 98 1501041040 capacitor 0402 0.1uf k 16v c272 1 99 1501041010 capacitor 0402 100pf ...

  • Page 24

    Qp-650u plus part list1 - 24 - no. P/n description refer. No. Qty. Note 114 1501041050 capacitor 0402 1uf k 6.3v c310 1 115 1501041030 capacitor 0402 0.01uf k 25v c311 1 116 1701081060 tan-capacitor 0805 10uf m 6.3v c312 1 117 1701081060 tan-capacitor 0805 10uf m 6.3v c313 1 118 1701084750 tan-capac...

  • Page 25

    Qp-650u plus part list1 - 25 - no. P/n description refer. No. Qty. Note 133 1501041040 capacitor 0402 0.1uf k 16v c333 1 134 1501041010 capacitor 0402 100pf j 50v c334 1 135 1501044710 capacitor 0402 470pf j 50v c335 1 136 1501041020 capacitor 0402 1000pf k 50v c336 1 137 1501044710 capacitor 0402 4...

  • Page 26

    Qp-650u plus part list1 - 26 - no. P/n description refer. No. Qty. Note 152 1501041020 capacitor 0402 1000pf k 50v c408 1 153 1501044710 capacitor 0402 470pf j 50v c410 1 154 1501042200 capacitor 0402 22pf j 50v c411 1 155 1101040000 resistor 0402 0Ω j 1/16w c412 1 156 1501041020 capacitor 0402 1000...

  • Page 27

    Qp-650u plus part list1 - 27 - no. P/n description refer. No. Qty. Note 171 1501044710 capacitor 0402 470pf j 50v c437 1 172 1501041020 capacitor 0402 1000pf k 50v c439 1 173 1501041050 capacitor 0402 1uf k 6.3v c440 1 174 1501041050 capacitor 0402 1uf k 6.3v c441 1 175 1501044710 capacitor 0402 470...

  • Page 28

    Qp-650u plus part list1 - 28 - no. P/n description refer. No. Qty. Note 190 1501041800 capacitor 0402 18pf j 50v c459 1 191 1501040600 capacitor 0402 6pf b 50v c500 1 192 1501041800 capacitor 0402 18pf j 50v c502 1 193 1501041500 capacitor 0402 15pf j 50v c504 1 194 1501040500 capacitor 0402 5pf b 5...

  • Page 29

    Qp-650u plus part list1 - 29 - no. P/n description refer. No. Qty. Note 209 1501041810 capacitor 0402 180pf j 50v c526 1 210 1501041030 capacitor 0402 0.01uf k 25v c527 1 211 1501041030 capacitor 0402 0.01uf k 25v c528 1 212 1501041030 capacitor 0402 0.01uf k 25v c529 1 213 1501044710 capacitor 0402...

  • Page 30

    Qp-650u plus part list1 - 30 - no. P/n description refer. No. Qty. Note 228 1501041030 capacitor 0402 0.01uf k 25v c546 1 229 1501041030 capacitor 0402 0.01uf k 25v c547 1 230 1501044710 capacitor 0402 470pf j 50v c548 1 231 1501041040 capacitor 0402 0.1uf k 16v c549 1 232 1501040200 capacitor 0402 ...

  • Page 31

    Qp-650u plus part list1 - 31 - no. P/n description refer. No. Qty. Note 247 1501041020 capacitor 0402 1000pf k 50v c666 1 248 1501041020 capacitor 0402 1000pf k 50v c667 1 249 1701084750 tan-capacitor 0805 4.7uf m 10v c668 1 250 1701082250 tan-capacitor 0805 2.2uf m 10v c669 1 251 1501041030 capacit...

  • Page 32

    Qp-650u plus part list1 - 32 - no. P/n description refer. No. Qty. Note 266 1501041030 capacitor 0402 0.01uf k 25v c689 1 267 1501041030 capacitor 0402 0.01uf k 25v c690 1 268 1501041020 capacitor 0402 1000pf k 50v c694 1 269 1701081060 tan-capacitor 0805 10uf m 6.3v c695 1 270 cf21990030 ceramic fi...

  • Page 33

    Qp-650u plus part list1 - 33 - no. P/n description refer. No. Qty. Note 285 d201050020 varactor hvc350btrf-e d503 1 286 d201050020 varactor hvc350btrf-e d504 1 287 d201050020 varactor hvc350btrf-e d506 1 288 d201050020 varactor hvc350btrf-e d507 1 289 d401050010 diode hsm88astl-e d508 1 290 d5010900...

  • Page 34

    Qp-650u plus part list1 - 34 - no. P/n description refer. No. Qty. Note 304 2001063350 inductor 0603 3.3uh l109 1 305 2001063350 inductor 0603 3.3uh l110 1 306 2001042730 inductor 0402 27nh l111 1 307 2001041230 inductor 0402 12nh l113 1 308 2001043930 inductor 0402 39nh l114 1 309 2001043330 induct...

  • Page 35

    Qp-650u plus part list1 - 35 - no. P/n description refer. No. Qty. Note 323 2201042210 ferrite 0402 220Ω l402 1 324 2001101050 inductor 1008 1uh l403 1 325 2201086000 ferrite 0805 60Ω±25% l404 1 326 2001042220 inductor 0402 2.2nh l405 1 327 2301360080 coil e2-0.35*1.6*8tr l406 1 328 2201086000 ferri...

  • Page 36

    Qp-650u plus part list1 - 36 - no. P/n description refer. No. Qty. Note 342 2301320050 coil e2-0.30*1.2*5tl l507 1 343 2001041030 inductor 0402 100nh l508 1 344 2001065640 inductor 0603 560nh l509 1 345 2001065640 inductor 0603 560nh l510 1 346 2001041530 inductor 0402 15nh l530 1 347 2001041530 ind...

  • Page 37

    Qp-650u plus part list1 - 37 - no. P/n description refer. No. Qty. Note 361 t101130010 ufmmt717 pnp q205 1 362 f101010020 2sk1824-t1-a q206 1 363 t101040010 dta114ee(tl) q300 1 364 t101020010 2sc5108-y q400 1 365 t101050010 2sc4988frtr-e q401 1 366 f101030010 rd01 q402 1 367 f101030020 rqa0002 q403 ...

  • Page 38

    Qp-650u plus part list1 - 38 - no. P/n description refer. No. Qty. Note 380 1101042710 resistor 0402 270Ω j 1/16w r101 1 381 1101041520 resistor 0402 1.5kΩ j 1/16w r102 1 382 1101041030 resistor 0402 10kΩ j 1/16w r104 1 383 1101041210 resistor 0402 120Ω j 1/16w r105 1 384 1101041510 resistor 0402 15...

  • Page 39

    Qp-650u plus part list1 - 39 - no. P/n description refer. No. Qty. Note 399 1101043310 resistor 0402 330Ω j 1/16w r206 1 400 1101041040 resistor 0402 100kΩ j 1/16w r207 1 401 1101041040 resistor 0402 100kΩ j 1/16w r208 1 402 1101041530 resistor 0402 15kΩ j 1/16w r210 1 403 1101042240 resistor 0402 2...

  • Page 40

    Qp-650u plus part list1 - 40 - no. P/n description refer. No. Qty. Note 418 1101043940 resistor 0402 390kΩ j 1/16w r227 1 419 1101041850 resistor 0402 1.8mΩ j 1/16w r228 1 420 1101041240 resistor 0402 120kΩ j 1/16w r229 1 421 1101043320 resistor 0402 3.3kΩ j 1/16w r230 1 422 1101044720 resistor 0402...

  • Page 41

    Qp-650u plus part list1 - 41 - no. P/n description refer. No. Qty. Note 437 1101041020 resistor 0402 1kΩ j 1/16w r246 1 438 1101041000 resistor 0402 10Ω j 1/16w r247 1 439 1101044790 resistor 0402 4.7Ω j 1/16w r249 1 440 1101041020 resistor 0402 1kΩ j 1/16w r250 1 441 1101044790 resistor 0402 4.7Ω j...

  • Page 42

    Qp-650u plus part list1 - 42 - no. P/n description refer. No. Qty. Note 456 1101044730 resistor 0402 47kΩ j 1/16w r305 1 457 1101041540 resistor 0402 150kΩ f 1/16w r306 1 458 1101042230 resistor 0402 22kΩ j 1/16w r307 1 459 1101044710 resistor 0402 470Ω j 1/16w r308 1 460 1101041010 resistor 0402 10...

  • Page 43

    Qp-650u plus part list1 - 43 - no. P/n description refer. No. Qty. Note 475 1101041030 resistor 0402 10kΩ j 1/16w r328 1 476 1101041030 resistor 0402 10kΩ j 1/16w r329 1 477 1101041030 resistor 0402 10kΩ j 1/16w r330 1 478 1101041030 resistor 0402 10kΩ j 1/16w r400 1 479 1101042200 resistor 0402 22Ω...

  • Page 44

    Qp-650u plus part list1 - 44 - no. P/n description refer. No. Qty. Note 494 1101062710 resistor 0603 270Ω j 1/10w r419 1 495 1101120590 resistor 1206 0.5Ω j 1/4w r420 1 496 1101120590 resistor 1206 0.5Ω j 1/4w r421 1 497 1101120590 resistor 1206 0.5Ω j 1/4w r422 1 498 1101041540 resistor 0402 150kΩ ...

  • Page 45

    Qp-650u plus part list1 - 45 - no. P/n description refer. No. Qty. Note 513 1101041040 resistor 0402 100kΩ j 1/16w r502 1 514 1101042210 resistor 0402 220Ω j 1/16w r503 1 515 1101041230 resistor 0402 12kΩ j 1/16w r504 1 516 1101041230 resistor 0402 12kΩ j 1/16w r505 1 517 1101043920 resistor 0402 3....

  • Page 46

    Qp-650u plus part list1 - 46 - no. P/n description refer. No. Qty. Note 532 1101041030 resistor 0402 10kΩ j 1/16w r530 1 533 1101040000 resistor 0402 0Ω j 1/16w r540 1 534 1101044720 resistor 0402 4.7kΩ j 1/16w r630 1 535 1101042240 resistor 0402 220kΩ j 1/16w r631 1 536 1101043940 resistor 0402 390...

  • Page 47

    Qp-650u plus part list1 - 47 - no. P/n description refer. No. Qty. Note 551 1101061050 resistor 0603 1mΩ j 1/16w r671 1 552 1101041020 resistor 0402 1kΩ j 1/16w r672 1 553 1101041020 resistor 0402 1kΩ j 1/16w r673 1 554 1101041020 resistor 0402 1kΩ j 1/16w r674 1 555 1101041020 resistor 0402 1kΩ j 1...

  • Page 48

    Qp-650u plus part list1 - 48 - no. P/n description refer. No. Qty. Note 570 1101044730 resistor 0402 47kΩ j 1/16w r704 1 571 1101041030 resistor 0402 10kΩ j 1/16w r705 1 572 1101041030 resistor 0402 10kΩ j 1/16w r710 1 573 1101041030 resistor 0402 10kΩ j 1/16w r711 1 574 1101040000 resistor 0402 0Ω ...

  • Page 49

    Qp-650u plus part list1 - 49 - no. P/n description refer. No. Qty. Note 589 cf21990020 ceramic filter 450khz±4kh u614 1 590 1401996830 varistor(2*2) 68kΩ(+25%) vr200 1 591 1401996830 varistor(2*2) 68kΩ(+25%) vr260 1 592 1401996830 varistor(2*2) 68kΩ(+25%) vr300 1 593 1401996830 varistor(2*2) 68kΩ(+2...

  • Page 50: Adjustment Description

    Qp-650u plus adjustment description - 50 - adjustment description the radio can be adjusted by manual adjustment. Manual adjustment procedure is as follow. (refer to “all reset mode” and “manual adjust mode” in the section software specification.) instrument: radio communication test set 1 set 3a/10...

  • Page 51

    Qp-650u plus adjustment description - 51 - tx section item condition test instrument method purpose 1. Transmit frequency turn to ch5; tx test adjust vr200 frequency error ≤ 100hz 2. Cdcss balance turn to ch5. Adjust at 1 point (wideband), tx test hpf：20hz lpf：300hz ptt key sfk2 key standard wavefor...

  • Page 52

    Qp-650u plus adjustment description - 52 - 7. Dtmf deviation turn to ch8. Adjust at 1 point (wideband), 1 point (medium band), 1 point (narrow band). Tx test hpf: 20hz lpf: 15khz ptt key sk1 key 3.2khz (25khz) 2.5khz (20khz) 1.8khz (12.5khz),) 8. Vox gain1 turn to ch9. Adjust at 1 point (wideband). ...

  • Page 53: Disassembly And Assembly

    Qp-650u plus disassembly and assembly - 53 - disassembly and assembly remove the battery 1. Turn the radio off. 2. Slide the battery latches upwards. 3. Pull the top part of the battery away from the radio’s body and lift the battery from the radio. Figure 1 disassemble main unit (aluminum chassis a...

  • Page 54

    Qp-650u plus disassembly and assembly - 54 - figure 3 the disassembly is shown as the figure 4. Figure 4 disassemble ptt button push the ptt button in indicated direction until out of the cover. (see figure 5) 1 2 figure 5.

  • Page 55

    Qp-650u plus disassembly and assembly - 55 - assemble ptt button paste double-coated tape to the cover. And then press the ptt button into the corresponding opening in the cover. (see figure 6) 1 2 figure 6 attach the battery 1. Fit the extensions at the bottom of the battery into the slots on the r...

  • Page 56: Exploded View

    Qp-650u plus exploded view - 56 - exploded view f f 1 2 3 4 5 7 9 11 6 8 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 29 28.

  • Page 57: Part List 2

    Qp-650u plus part list 2 - 57 - part list 2 no. P/n. Material name specification qty 1 5100300000 650 unit waterproof ring 1.00 2 5002200000 650 power jack 1.00 3 5201500000 650 positive pole 1.00 4 6500100000 pc part 1.00 5 6102010000 screw 2.00 6 5300100000 650 aluminum chassis 1.00 7 4600000020 6...

  • Page 58

    Qp-650u plus pc board view - 58 - pc board view qp-650u plus pcb top layer view (1).

  • Page 59

    Qp-650u plus pc board view - 59 - qp-650u plus pcb top layer view (2).

  • Page 60

    Qp-650u plus pc board view - 60 - qp-650u plus pcb bottom layer view (1).

  • Page 61

    Qp-650u plus pc board view - 61 - qp-650u plus pcb bottom layer view (2).

  • Page 62

    Qp-650u plus block diagram - 62 - block diagram.

  • Page 63

    Qp-650u plus schematic diagram - 63 - schematic diagram rf section.

  • Page 64

    Qp-650u plus schematic diagram - 64 - af section.

  • Page 65

    Qp-650u plus schematic diagram - 65 - mcu section.

  • Page 66: Specifications

    Qp-650u plus specifications - 66 - specifications general frequency range uhf: 400-470mhz channel capacity 16 channel spacing 25/20/12.5khz operating voltage 7.4v battery 1400mah(li-ion) frequency stability ±2.5ppm operating temperature -20℃~+50℃ antenna impedance 50Ω transmitter rf power output 5w/...

  • Page 67

    - 67 - © 2009 quantun electronics, llc. All rights reserved 1379 shotgun road, sunrise, florida 33326 v0.1a p/n : 7136501001.