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Dual-Band Service Manual Introduction The Scope for the

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Contents

1. SP PLL LE ROM WP DI ROM CLK ROM DATANW C815 R620 apout 03 Voice CLK 03 Voice CLK Voice Data R814 D811 mus 1 RLS4148 ark DI 814 0815 FM SDIO FM SDIONoice Data D2 GREEN Sm QTIDQT SWVoice Busy E 03 GREEN D4 1821 REDITXD R821 R822 ke 150R 560R T814 1815 1862 DTC114EE DTC114EE 8823 REDMD aH RP811 ATK PLLLEROWWP L E E R831 LAMP1 55CU 10819 KI K Gi B Ki DI ni SW811A ED087410 c axe a 8832 R833 min C820 ie min 822 min C823 an ank pur T 00 100P L 4 coo 5M C847 CNto w Tie Tow CNZo CNZ CNZ zr auum l m Raa ROM DATAINIW Tone BeepMIC MUTE Tone BeepMIC MUTE T 8850 ARXout 220P9 220 E c 103P C850 8859 220P A son Version 0905 V1 Page 38 of 38
2. acters For reading out or reading in the frequency data and other functions COMPUTER TEST For examining handset by computer PATTERN DUPLICATION For programming data reproduction from a handset to another PATTERN Version 0905 V1 Page 1 of 38 2 Enter the Mode USER MODE DATA PROGRAMMING MODE COMPUTER TEST MODE COMPUTER HARMONIOUS MODE COMPUTER MODE DUPLICATION MODE 3 Computer Mode This handheld transceiver programs by computer the programming connection and the programming software The programming software can be used in the IBM computer or compatible machine PC Series PORT fe VM RF Power meter or SSG a Duplication Mode 1 Duplication Mode can copy the data of a handheld transceiver to another one The dealers can do this duplication without a personal computer 2 Operating Method DConnectting the duplicated source radio with waiting duplicated target radio by cloning Line The waiting duplicated target radio need to be putting through the power source Pressing MONI key on duplicated source radio the duplication starts When duplicating the flickering red light means sending data After duplicating successfully the red light extinguishes and the source radio enters the standby mode If the red light keeps flickering it means the duplication failed The green light flickers when the target radio duplicates The duplication finishes when the green l
3. ES BE mgr T T318 Li ET AW E3 pose o posee DEV E3 E3 ES E3 E rar E3 p Version 0905 V1 Page 31 of 38 Mainboard Bottom Layer Components Chart 0087410 ANT 2 LI g D he JEH e LI De us RT LED sene CIE a E ME Mo iww oe Ven Be m br aH a aso EDE EIE tn D E 02zuphev a wet EJ t3 cu 14 4MHz carta O UF EV M EE 22uFH6V 8 Version 0905 1 Page 32 of 38 Mainboard Bottom Digit No Chart Version 0905 1 e C151 E150 cu cu Li Che C146 c143 ED De Page 33 of 38 Liquid Crystal Board Layer Components and Digit Chart Liquid Crystal Bottom Layer Chart amp Digit No Chart Version 0905 1 Page 34 of 38 JP612 JP20 Circuit Chart Version 0905 1 Page 35 of 38 SP D812 LED Y pw Ds L 4 T812 R814 LANP DTC114EE TR m ifaw 5612 5621 Bn LeDett wol LCD HDAUTBO dd pe
4. Inductance Low Frequency 129 Laminated CI560nH L0603 1 L157 Inductance Low Frequency 30 Laminated CI100nH L0805 4 1333 1174 1328 1179 Inductance 31 Line Inductance HW4 7nH L0603 L191 32 Line Inductance HW6 8nH L0603 2 1163 1192 33 Line Inductance HW12nH L0603 L190 34 Line Inductance HW18nH L0603 L164 35 Line Inductance HW27nH L0603 3 1345 1188 1187 36 Line Inductance HW39nH L0603 1343 37 Line Inductance HWS6nH L0603 L189 38 Line Inductance HW82nH L0603 2 C415 1320 39 Line Inductance HW120nH L0603 2 1346 C336 40 Line Inductance HWI50nH L0603 1 L165 41 Line Inductance HW560nH L0603 3 1326 1173 L172 42 Line Inductance HWluH L0805 2 1329 1175 43 Line Inductance HW220nH L0805 2 1176 1330 44 Line Inductance HW560nH L0805 1 L327 45 0 31 1 3 10T LC035158T 2 1332 1178 46 0 35 1 6 7 LCO3155T 1 1335 47 0 35 1 6 8T LCO3155T 2 1338 1336 48 High Temperature 0 4 1 0 4T LC04103T 2 R355 L334 49 Not Rise 0 4 1 2 4T LC03155T 1 L181 50 0 4 1 3 5T LC03157T 1 L183 51 0 4 1 5 4 LCO3155T 1 L185 52 04 1 5 5 LCO3155T 1 L182 53 Diode 1SV305 D ESC 6 0145 0144 0143 0142 D319 D318 54 Diode HVC376 D ESC 8 D328 0327 0325 D324 0140 0139 0132 D131 0133 0323 D316 0315 0314 0312 0148 D138 55 Diode HSC277 D ESC 12 D137 136 0135 D311 56 Diode RLS4148 D ESC 5 0682 D681 0542 D541 0661 57 Diode 592
5. ge pem 4 Dlo 5615 S616 625 5626 9629 4 5 0 zie zal Fal j De AB HD44780 SW628 5617 5618 5627 5628 1K 5628 7 g Di FE R623 161 AB 07 CH O NH 5 D4 Q WT WT 03 1 Ki D2 DE _ Ja m mim C613 wuC614 615 mim C616 mta C617 m C618 806 00 7100P 100 100 w100P 100 4 4 4 Version 0905 1 Page 36 of 38 Version 0905 V1 Page 37 of 38 5V L R818 100K ERR
6. 4 Controlling the open and close of squelch according to the output DC voltage from squelch circuit 5 Controlling the tone frequency mute according to the decoding data VII Keypad and display circuit 1 Keyboard entry examination KI K2 K3 K4 are keypad fan out D1 D2 D3 D4 are keypad input end They are managed after examining by microprocessor IC811 See PIC8 MEHU UP DOWH EXIT D1 Pin8 D2 Pin9 D3 Pin10 D4 Pin11 K4 Pin K3 Pin6 K2 Pin5 K1 Pind PIC8 MONI LEY TDR KEY D1 Pin8 D4 Pin11 D2 Pin9 D3 Pin10 PIC9 2 Display Circuit LCD demonstrated the information IC811 controls the screen by the microprocessor liquid crystal to demonstrate that the actuation integrated circuit causes the screen liquid crystal the monitor demonstration corresponding information See PIC 10 Version 0905 V1 Page 9 of 38 CPU 10811 PIC10 3 Backlight Circuit The backlight of LCD and keypad is single colored which is controlled by the pin of microprocessor See PIC11 5 Pin2 PIC11 4 Illumination Circuit The illumination circuit is controlled by the pin of the microprocessor IC811 See PIC12 5Y D926 Pin3 926 12 Vil Memorizer Circuit The memorizer circuit is made up of CCPU IC811 and EEPROM 0811 The capacitance is 64k bits including the handset controlling program by CPU and the operation function data See PIC13 Version 0905 V1 Page 10 of 38 CLK 1C811 DATA U
7. 150R 402 1 R821 36 Resistance 330R R0402 2 R829 R665 37 Resistance 560R R0402 1 R822 38 Resistance IK R0402 7 R824 R669 R668 R663 R359 R815 R814 39 Resistance 1 2K R0402 1 R595 R820 R666 R639 R622 R573 R119 Ris Ri 40 Resistance 2 2K R0402 10 R390 R378 41 Resistance 3 3K R0402 3 R842 R636 R626 42 Resistance 3 9K R0402 1 R624 43 Resistance 4 7K R0402 8 R854 R839 R630 R623 R618 R219 R927 629 44 Resistance 5 6K R0402 2 R845 R844 R672 R671 R850 R813 R811 R643 R634 RBBB 45 Resistance 10K R0402 14 R627 R620 R144 R140 R651 R134 46 Resistance 18K R0402 1 R640 47 Resistance 22K R0402 8 R674 R673 R384 R852 R848 R613 R576 R862 48 Resistance 24K 402 1 RS81 49 Resistance 30K R0402 1 R637 50 Resistance 33K R0402 3 R629 628 R621 Version 0905 V1 Page 19 of 38 R843 R817 R596 R135 R118 RII6 R113 R648 51 Resistance 47K R0402 12 R389 R379 R667 8861 52 Resistance 51K R0402 1 R635 53 Resistance 56K R0402 2 R841 R216 54 Resistance 68K R0402 2 C233 R145 55 Resistance 82K R0402 1 R853 56 Resistance 91K R0402 1 R846 57 Resistance 100K R0402 7 R818 R642 R139 R137 R650 R647 R646 58 Resistance 120K R0402 3 R675 R851 R830 59 Resistance 150K R0402 2 R655 R654 60 Resistance 180K R0402 1 R131 61 Resistance 220K R0402 6 R858 R828 R819 R578 R218 R112 62 Resistance 470K R0402 1 R860 63 Resistance 680K R0402 2 R110 R638 64 Resistance 1M R040
8. then goes through BPF L344 and L345 and is enlarged by RF amplifier T324 The signal goes through L320 L342 1 341 L340 and then enters the mixing These D318 D319 D320 D321 adjusted by the variable condenser The input voltage by variable condenser is adjusted by the outputting voltage by microprocessor IC811 See PIC 2 5UT 450KHz 28 8MHz 3 The 1st Mixer The signals from the front end of U Band and the Rx LO prouduced by PLL electrocircuit creat the 1 immediate frequency signal of 29 250MHz on T144 Mixing The created signal is sent to the changeover on off on U V Band The signals from the front end of V Band and the Rx LO prouduced by PLL electrocircuit creat the 1 immediate frequency signal of 29 250MHz on T323 Mixing The created signal is sent to the changeover on off on U V Band The changeover on off switches the signals according to the working state of U V Band on microprocessor IC811 Version 0905 V1 Page 4 of 38 After switching the signals are sent to MCF FL515 FL516 See PIC2 4 The enlarging circuit on Intermediate Frequency The first signal from intermediate frequency eliminate the signals from adjacent channels through MCF FL515 FL516 The amplifier T520 enlarges and enters the I F system chip 0516 The 1 system chip provides the second mixer the second LO signal limiting amplifier orthogonal detector and RSSI received signal intensity indicator The second mixer se
9. 1321 1322 Uer ST Vv PIC 7 3 Automatic Power Control Circuit APC APC circuit always monitor the circuit that is through the radio frequency RF amplifier T142 or T322 and maintain the stable electric current The diversification of electronic current that is enlarged by radio frequency power amplifier can cause the lower voltage of R615 R616 R659 and R660 The voltage is sent to difference amplifier U612 2 2 U612 1 2 and compares the outputting voltage of IC101 2 2 with the reference voltage from 1C405 The output voltage of U612 1 2 control the radio frequency RF amplifier drive amplifier VG of pre drive amplifier to keep the voltage consistent The changes of high low power are realized by changing the reference voltage The two terminal amplifiers of this transceiver use the same APC circuit So they are switched on the output VG voltage from APC When U Band transmitting the VG voltage that sends APC to V Band resists to ground short circuit On the contrary when V Band transmitting the VG voltage that sends APC to U Band resists to ground short circuit See PIC7 4 Coding Signaling QT DQT The DQT QT data outputs from the CPU 23 base pins The signal through the low pass CR filter a partial signal delivers TCXO CR112 Another part of signal and the tone signaling mix then inputs separately to U or V Band of VCO V Electrical Power 10 electrical power of 5V is used in this transceiver They respectively provide to
10. 2 2 R645 R644 65 Resistance 1 8M R0402 2 R612 R611 66 Resistance NC R0402 4 R625 R217 R138 R856 67 Resistance 270R R0603 2 R358 R356 69 Resistance 15K R0603 2 R361 R360 70 Resistance 150K R0603 4 R658 R657 R656 R614 71 Resistance 0 39R R1206 4 R660 R659 R615 R616 RP81 RP81 72 Rank Resistance 47K RP 1206 4 2 2 1 Adjustable RV1008 2 2 RES6 73 50K 1 Resistance 11 Adjustable RV1206 3 3 RVII 74 50K 1 Resistance J 2 Laminated 75 2 2uF 16V C0805 2 E615 E614 Capacitance Laminated 76 4 TuF 16V C0805 3 E612 E611 E117 Capacitance Laminated 77 10uF 16V C0805 8 C662 C661 E518 C196 C195 C193 C456 C457 Capacitance Laminated 78 22uF 16V C0805 1 C194 Capacitance High Frequency 79 Laminated CH68nH L0603 1 L518 Inductance High Frequency 80 Laminated CH100nH L0603 4 1811 1611 1520 1517 Inductance High Frequency 81 Laminated CH120nH L0603 1 L519 Inductance Version 0905 V 1 Page 20 of 38 High Frequency 82 Laminated CH220nH L0603 1 L522 Inductance 83 Diode RLS4148 D ESC 4 D811 0518 D326 D169 84 Diode RL4148 D ESC 2 D611 D610 85 Dynatron 188372 D USM 2 0812 D612 86 Dynatron 25 4617 T ESM 2 T615 T614 87 Dynatron DTA114EE T ESM 1 T661 T674 T673 1672 1671 1815 1814 T611 1146 88 Dynatron DTC114EE T ESM 12 T613 T219 1862 1326 89 Dynatron 5 T TSM 6 T812 T138 T137 1136 T318 1317 90 Dynatron 25 2712 T TSM 1 1926 91
11. 22 of 38 C144 C558 C556 C433 C413 C407 C403 C649 C261 C257 C185 184 C174 C172 C321 C147 C648 C619 C366 C343 C285 C117 C231 C181 C176 C384 C383 30 Capacitance 473P C0402 1 C554 31 Capacitance 474P C0402 1 C549 C818 C311 C423 C559 C442 C425 4 C404 C399 32 Capacitance NC C0402 22 C378 C376 C372 C235 C224 C222 C209 C244 C284 C432 C225 C430 C280 C377 33 Capacitance 0 5P C0603 3 C446 C149 C143 34 Capacitance 1P C0603 1 C140 35 Capacitance 3P C0603 1 C154 36 Capacitance 4 C0603 1 C444 37 Capacitance SP C0603 2 C371 C153 38 Capacitance 6P C0603 2 C150 C145 39 Capacitance 7P C0603 2 C151 D320 40 Capacitance 9P C0603 1 C155 41 Capacitance 10P C0603 C427 C116 42 Capacitance 12P C0603 2 C453 C450 Capacitance 13P C0603 1 L319 43 Capacitance 22P C0603 3 C368 1340 1341 44 Capacitance 24P C0603 1 C436 45 Capacitance 27P C0603 1 C126 46 Capacitance 33P C0603 5 C420 C367 C349 C146 Cl4l 47 Capacitance 51 C0603 1 C438 48 Capacitance 56P C0603 1 C238 49 Capacitance 100P C0603 1 C320 50 Capacitance 220P C0603 1 C356 51 Capacitance 470P C0603 3 C352 C128 C121 C312 C449 C448 C440 C437 C374 C223 C421 52 Resistance OR C0402 12 C417 C226 R214 R331 53 Resistance 10R R0402 5 R438 R339 R324 R147 195 54 Resistance 22R R0402 2 R334 R193 R418 R354 R350 R208 R202 R192 R205 R187 55 Resistance 47R R0402 9 R452 56 Resistance 75R R0
12. 232 C259 C182 10 Capacitance 7P C0402 5 C410 C246 C245 C265 C119 11 Capacitance 8P C0402 4 C452 C255 C175 C328 12 Capacitance 10P C0402 5 C526 C381 R335 C210 R341 13 Capacitance 0402 2 189 186 14 Capacitance 12P C0402 5 C439 C395 C337 C333 C253 15 Capacitance 18 C0402 4 C313 C346 C180 C177 16 Capacitance 20P C0402 1 C530 17 Capacitance 24P C0402 2 C406 C112 18 Capacitance 33P C0402 1 C447 19 Capacitance 51P C0402 1 C211 20 Capacitance 82P C0402 1 C227 C557 C547 C539 C560 215 C213 C212 C208 21 Capacitance 100P C0402 12 C204 C202 C192 C385 C666 C819 C317 C361 C139 C682 4 C574 C281 L339 C357 C355 C351 C350 4 C339 C332 C326 C129 C125 C120 115 C283 C618 C348 C347 22 Capacitance 102P C0402 46 C555 C531 C429 C408 C405 C400 C391 C443 C258 C228 C220 C219 C286 C171 C170 C852 C127 C124 C130 C123 C331 C217 C622 C525 C363 C135 C345 C540 C536 C532 23 Capacitance 103P C0402 20 C426 C401 C221 C183 C650 C620 C538 C205 C354 C422 C113 C230 C667 C316 C353 C561 C684 C683 C573 C264 R364 C529 C621 C122 C114 C428 C424 C414 24 Capacitance 104P C0402 31 C251 C234 C595 C546 C543 C542 C562 C203 C402 C133 C387 C329 C323 C319 C218 25 Capacitance 105P C0402 2 C358 C131 26 Capacitance 180P C0402 1 C282 27 Capacitance 220P C0402 2 C528 C527 28 Capacitance 223P C0402 2 C550 C563 C665 C416 C137 C365 C572 C247 C240 C239 29 Capacitance 470P C0402 43 L186 C392 C375 254 252 C248 C236 C266 Version 0905 V1 Page
13. 4 R448 R447 R445 R362 84 Resistance 100K R0402 4 R463 R446 R198 R128 85 Resistance 120K R0402 5 R460 R458 R210 R209 R199 86 Resistance 150K R0402 5 R321 R325 R171 R200 R159 87 Resistance 180K R0402 3 R599 R512 R122 88 Resistance 200K R0402 2 R459 R123 89 Resistance 220K R0402 1 R160 90 Resistance 330K R0402 2 R515 R148 91 Resistance 470K R0402 1 R527 92 Resistance NC R0402 6 R539 R392 R333 R127 R465 R464 93 Resistance IM R0402 7 R215 R130 R129 R125 R124 R451 R450 94 Resistance OR R0603 5 R203 L342 1344 L33l L318 95 Resistance 10R R0603 1 R197 96 Resistance 270R R0603 2 R213 R212 97 Resistance NC C0603 8 C45 C435 C409 C142 C132 C118 C267 98 Resistance NC C0805 2 C256 C338 Laminated 99 luF 16V C0805 1 C571 Capacitance Laminated 100 4 TuF 16V C0805 1 E118 Capacitance Laminated 101 10uF 16V C0805 8 E665 E667 E519 E684 E574 E520 E521 C454 Capacitance Version 0905 V1 Page 24 of 38 02 Ta Capacitance 0 luF 16V EIA3216 E313 122 E21 03 Ta Capacitance 0 22uF 16V EIA3216 E314 04 Ta Capacitance 2 2uF 16V EIA3216 E119 05 Ta Capacitance 4 TuF 16V EIA3216 E311 E120 06 Ta Capacitance 10uF 16V EIA3216 E616 E613 E312 07 Ta Capacitance 100uF EIA6032 E522 High Frequency 08 Laminated CHI2nH L0402 L159 Inductance High Frequency 109 Laminated CHI5nH L0402 L171 Inductance High Frequency 110 Laminated CH27nH L0402 C173 Inductance Version 0905 V1 Page 25 of 38 111 Hi
14. 402 1 R168 R511 R524 R513 R380 R329 R326 R178 R176 57 Resistance 100R R0402 14 R173 R172 R149 R126 R136 C342 58 Resistance 150R R0402 3 R525 R456 R166 59 Resistance 180R R0402 2 R372 R319 60 Resistance 220R R0402 1 R327 6l Resistance 330R R0402 2 R444 R121 62 Resistance 470R R0402 1 R417 63 Resistance 560R R0402 4 R315 R313 R153 8151 Version 0905 V1 Page 23 of 38 64 Resistance 680R R0402 5 R316 R177 R194 R190 R188 65 Resistance 820R R0402 3 R516 R395 R120 R835 R834 R320 R526 R538 R338 R330 R146 66 Resistance IK R0402 13 R158 R143 R142 R141 C537 67 Resistance 1 5K R0402 2 R537 R154 68 Resistance 1 8K R0402 2 R317 R206 69 Resistance 2K R0402 1 R514 R682 R681 R542 R541 R523 R518 R155 R191 70 Resistance 2 2K R0402 10 R376 R383 71 Resistance 2 7K R0402 2 R535 R455 72 Resistance 3 3K R0402 7 R536 R387 R377 R353 R175 R180 R517 73 Resistance 3 9K R0402 3 R520 R439 R196 R823 R534 R161 R533 R388 R382 R184 R183 74 Resistance 4 7K R0402 12 R182 R181 R179 R322 79 Resistance 5 6K R0402 4 R352 R328 R174 R332 77 Resistance 10K R0402 7 R598 R532 R394 R349 R186 RI185 R531 78 Resistance 22K R0402 1 R661 79 Resistance 33K R0402 1 R528 R833 R832 R831 R683 8543 R522 R363 R348 80 Resistance 47K R0402 12 RI62 R204 R201 R375 81 Resistance 56K R0402 1 R529 82 Resistance 68K R0402 1 R207 83 Resistance 82K R0402
15. 51 C164 C162 C158 C617 C6l4 841 C396 C83 C827 C817 C814 C812 C655 C514 513 C59 C589 C518 515 13 Capacitance 105P C0402 C67 C642 R840 R133 14 Capacitance 200P C0402 C59 15 Capacitance 202P C0402 C63 16 Capacitance 220P C0402 C85 C832 C831 C552 C927 17 Capacitance 223P C0402 C83 C816 C635 C633 C597 C216 C157 18 Capacitance 224P C0402 C52 C520 19 Capacitance 332P C0402 C62 20 Capacitance 393P C0402 C52 21 Capacitance 470P C0402 C65 C167 C163 C134 C643 C6l6 C390 22 Capacitance 472P C0402 C82 C625 C156 23 Capacitance 473P C0402 C63 C631 C628 C519 24 Capacitance 680P C0402 C63 C627 25 Capacitance 683P C0402 C82 C826 26 Capacitance NC C0402 C82 C623 C237 27 Capacitance IP C0603 C13 28 Capacitance 30P C0603 C43 29 Capacitance 104P C0603 C51 C647 30 Capacitance 104P C0805 C45 Version 0905 V1 Page 17 of 38 Version 0905 V1 Page 18 of 38 31 Resistance OR 402 5 R859 R838 R816 R641 R632 32 Resistance 10R R0402 1 R619 33 Resistance 56R R0402 1 R926 34 Resistance 100R 402 5 R855 664 R662 R617 R572 35 Resistance
16. 811 WP CPU EEPROM PIC 13 IX Batterypack Low Voltage Prompt Monitoring the batterypack voltage by microprocessor The transceiver will sound when the voltage is lower than the alarm voltage See PIC14 BATT R360 R359 O ANA re R361 PIC 14 X Programming Communication The transceiver communicates data with PC through RXD TXD on earphone seat See PIC 15 5v P SPK J3 MIC JACK RXD PTT J4 SP JACK Version 0905 V1 Page 11 of 38 XI JP811 Terminal Function Terminal INPUT amp Function Description NAME Pin No OUTPUT 1 SP Output SPK Output 2 MIC Input MIC Input 3 BATT Input Input Electronic Source of Keypad backlight 4 5V Input LCD Drive IC amp Input Electronic Source of LCD Backlight 5 GND 6 GND ih GND 8 LCD CS Output BATT TEST Electronic Source Voltage Examination 9 Output LCD RS Read Write End Control of LCD Drive IC 0 1 Output Electronic Source Control of LCD Backlight 11 GND 2 KI Input Keypad Matrix Input 3 K2 Input Keypad Matrix Input 4 K3 Input Keypad Matrix Input 5 K4 Input Keypad Matrix Input 6 DI Output Keypad Matrix Output 7 D2 Output Keypad Matrix Output 8 D3 Output Keypad Matrix Output 9 D4 Output Keypad Matrix Output 20 GND Terminal Function of Microprocessor IC811 Pin NO Tube Feet Name Function Description 1 PLL LE R
17. C612 C613 C614 C615 C616 C617 C618 2 Capacitance 102P C0402 1 C812 3 Capacitance 103P C0402 1 C619 4 Capacitance 104P C0402 1 C620 S Capacitance 220P C0402 1 C624 Version 0905 V1 Page 28 of 38 6 Resistance 100R R0402 R623 7 Resistance 150R R0402 R615 R616 8 Resistance 1 2K R0402 R612 9 Resistance 2 2K R0402 R613 R614 R617 R618 0 Resistance 1 8K R0402 R621 1 Resistance 4 7K R0402 R619 R814 2 Resistance 91K R0402 R611 3 Resistance 150R R0603 R812 4 Resistance NC R0603 R813 5 White Lamp White D0603 D611 D612 D615 D616 6 Dynatron T ESM T812 T611 Eliminating 7 IK RP 1206 4 R622 Resistance 8 Row Seate JP20 JP 20 2 JP612 9 Ta Capacitance 10uF 16V EJA3216 E611 High Frequency 20 Lamineted CH100nH L0603 L611 Capacitance Tringle Singl 21 Colored White Lamp LED LED D812 Board MIC61 22 MIC MIC MIC60 1 U CHIP80 23 State Fix HD44780 S6A0069 Version 0905 V1 Page 29 of 38 Mainboard Chart Mainboard Top Layer Components Chart Page 30 of 38 Version 0905 1 Mainboard Top Layer Digit No EJ SW613 615 5 614 EJ EJ LI E EJ O JK513 cI EI kam con EI res LI a EI C661 piov WE a 29 EEE sp 8 FACE Elea E EJ ESE 19 s Bale os
18. D USC 2 0322 D146 58 Diode BB639 D USC 1 D317 59 Diode H D USC 1 D141 60 No Stick NC D ESC 1 D321 61 Dynatron HSM88A D TSM 2 0443 D147 Version 0905 V1 Page 27 of 38 62 Dynatron 25 4617 T ESM 2 1132 T313 63 Dynatron DTA114EE T ESM 1 T526 64 Dynatron DTC114EE T ESM 5 1681 7541 7523 7524 1383 65 Dynatron 25 3357 T SOT89 2 1320 T140 66 Dynatron 2SK1588 T SOT89 1 T525 68 Dynatron 5B1 T TSM 4 1684 T574 T522 1316 69 Dynatron 25 3356 T TSM 2 T319 T139 70 Dynatron 25 4215 T USM 2 1520 T129 71 Dynatron 2504226 T USM 6 T311 7312 TI35 T131 T130 T315 72 Power Tube 25 3475 T SOT89 2 T321 1141 73 Single Bar Tube K52 T TSM 2 1325 T134 74 Double Bar Tube 3SK318 T US4 4 1324 T323 T144 T143 U SSOP10 75 Integrate Circuit TA7368 U515 175 P10 U SSOP16 76 Integrate Circuit TA31136F U516 175 P065 U SSOP20 77 Integrate Circuit LMX2336 1112 175 065 FL FL51 78 Filter 450K PBFC455R 4 FLS51 FLSI 79 Crystal 29 250MHz FL UM 5 3S 2 6 5 FX 80 Crystal 14 4MHz 1 19 2MHZ 2 CRSI 81 Chinaware C24 FX 6060 28 1 2 82 5V5 Foot 5 5V 2 0616 0613 Channel S SW8 83 Potentiometer ED087410 1 ED087410 11 Switch SW6 184 Potentiometer R08710NS S R08710NS 1 12 185 Antenna Adapter ANT 2 ANT KX01 1 112 LC Board Components List No Name Item Spec Dosage Digit No 1 Capacitance 100P C0402 8 611
19. Dual Band Service Manual Introduction The Scope for the Manual This manual is for the technicians who know well about the communication and have some experiences of maintenance All necessary information of maintenance and actual published date are included in this manual If there is any change after publishing we will complement it by Maintenance Aviso or Manual Revision according to the requirements Personal Safety Please pay attention to the below proceedings for your safety Don t transmit before you carefully check all plugs for TX Frequency or any of the unfolded plugs doesn t connect to the relative ends Please turn off the power and don t operate the equipment when you are near the electric detonator or on flammability gas station Only the qualified technicians can maintain the equipment Maintenance Service In order to maintain the equipment easily and establish the complete maintenance system we supply the information including principium chart printing circuitry chart and the settings of the equipment Mode Combination 1 Mode Combination USER PATTERN DATA PROGRAMMING PATTERN COMPUTER TEST PATTERN COMPUTER HARMONIOUS PATTERN PATTERN DUPLICATION PATTERN FUNCTION USER PATTERN For nonnal use a _ Correspondence between the handset user and computer COMPUTER PATTERN Compatible Machine DATA PROGRAMMING
20. Dynatron 25 4116 T USM 1 T811 92 Dynatron 2504226 T USM 1 T521 93 Dynatron 1SS4181 T USM 1 T616 94 Power Tube 25 3476 T 2 5NIA 2 T322 T142 U QFN24 95 Integration CL6010 1 0514 0404 050 U SOP8 157 96 Integration 24C64 1 U811 P127 U SOP8 157 97 Integration LM4558 1 0611 P127 L1006 U SOP8 157 98 Integration LM358 1 U612 P127 61 99 Touch On Off MONI KEY S TD 26EA 1 4 SW61 00 Touch On Off S TD 26EA l 5 61 01 Touch On off PTT KEY S TD 30EA 1 3 02 5 Earphone 02 2 5 mm JK ST 104 1 JK513 Seat 03 5 Earphone 03 3 5mm JK ST 301 1 JK611 Seat D LED 04 05 White Lamp LED 1 D926 05025L 05 ERE JP20 JP 20 2 1 JP811 U QFP44 06 Main CMOS Chip EM78P568 44 1 IC811 1010 P100 07 Voice Chip VOICE U VOICE 1 1 0812 CR81 08 Crystalloid 32 768KHz FX MC 146 1 1 09 Green Light GREEN 20603 1 D814 10 Red Light RED D0603 1 D815 Version 0905 V1 Page 21 of 38 Mainrboard first floor part detailed list No Name Item Spec Dosage Digit No 1 Capacitance 0 5 C0402 2 C330 C250 2 Capacitance 0 75P C0402 1 C242 3 Capacitance 1P C0402 1 C191 4 Capacitance 1 5P C0402 3 C419 C418 C322 5 Capacitance 2P C0402 2 C445 C533 6 Capacitance 3P C0402 3 C188 C187 7 Capacitance 4P C0402 4 C179 C178 C152 C229 8 Capacitance 5P C0402 4 C398 C263 C262 C260 9 Capacitance 6P C0402 4 C318 C
21. OM WP Phase locked loop Data End Stored IC Write Protection Board 2 LAMPI Backlight Control 3 SSC UHF Control by UHF VCO Electrical Source 4 KI Row Line on KI Keypad 5 K2 Row Line 2 on K2 Keypad 6 K3 Row Line 3 on K3 Keypad 7 K4 Row Line 4 on K4 Keypad 8 D1 PLL CLK ROM CLK MONI LCD Line 1 on Keypad Phase locked Loop Clock DO Squelch Key LCD Drive Data 9 D2 PLL DATA PF1 LCD D1 Row Line 2 on Keypad Phase locked Loop Data Sidekey1 LCD Drive Data 10 D3 Viose CLK A B LCD D2 Row Line 3 on keypad Voice Clock A B Button LCD Drive Data 11 D4 PF2 LCD D3 Row Line 4 on keypad Topkey PF2 LCD Drive Data 12 CN2 CN2 Channel Decoding Bit Version 0905 V1 Page 12 of 38 13 CN1 CNI Channel Decoding Bit 14 N W ROM Data Wide Narrow Bandwidth Control Packet Data 15 AVDD 16 RXO Microprocessor Audio Amplifier Output 17 RXI Microprocessor Audio Amplifier Input 18 MICI Microprocessor Audio Amplifier Output 19 MICO Microprocessor Audio Amplifier Input 20 TONE DTMF Beep Audio Signal Output Double Audio Signal Output Prompt Output 21 PLLC 22 AVSS 23 CTCSS DCS TUNE CTCSS DCS Receiving Auto Track Gain Output 24 APC Auto Power Control Voltage Output 25 AURX Input End of Microprocessor Audio Channel 26 Batt TEST LCD RS Battery Voltage Sampling Input LCD Drive IC Control End 27 VOX MIC Sampling Data Input 28 ANSQL Squelch Vol
22. gh Frequency Laminated Inductance CH47nH 10402 1314 112 High Frequency Laminated Inductance CH68nH L0402 C412 L325 113 Low Frequency Laminated Inductance CI2 2uH L0402 R157 114 High Frequency Laminated Inductance CH2 2nH L0603 L177 115 High Frequency Laminated Inductance CH12nH L0603 L158 116 High Frequency Laminated Inductance CH15nH L0603 L155 117 High Frequency Laminated Inductance CH18nH L0603 L313 L170 L169 L154 118 High requency Laminated Inductance CH33nH L0603 R351 119 High Frequency Laminated Inductance CH68nH L0603 R346 120 High Frequency Laminated Inductance CH100nH L0603 L153 L317 121 High Frequency Laminated Inductance CH120nH L0603 L316 L312 L311 122 High Frequency Laminated Inductance CH220nH L0603 L324 L323 123 High Frequency Laminated Inductance CH270nH L0603 L168 L162 1161 1160 124 Laminated Inductance CIluH L0603 L156 125 Low Frequency Laminated Inductance 10603 1166 1322 1167 1321 Version 0905 V1 Page 26 of 38 Low Frequency 126 Laminated Cl6 8uH L0603 1 L315 Inductance Low requency 128 Laminated CI100nH L0603 1 L152
23. ight extinguishes Version 0905 V1 Page 2 of 38 Assembling amp Dissembling Chart Disassembling Shell Chart I Frequency Structure 29 250 Disassembling TX RX Board Chart 450KHz Frequency A D Structure D 136 165 250 400 429 25 174 995MHz 204 245MHz 470 995MHz 500 245MHz 2 136 165 250 450 479 25 174 995MHz 204 245MHz 520 995MHz 550 245MHz 3 136 165 250 245 274 25 Version 0905 V1 Page 3 of 38 174 995MHz 204 245MHz 245 995MHz 275 245MHz Chart 1 Please refer the frequency of A B C D points of PIC 1 on Chart 1 The 15 intermediate frequency of this radio is 29 250MHz the 2 is 450KHz II Receiving 1 The front end of U Band RF Amplifier The signal which is received from the antenna enters the transmission receive change over switch diode circuit D148 D137 D138 and D147 then goes through BPF L191 and L192 and is enlarged by RF amplifier T322 The signal goes through the BPF L185 L189 L187 L188 and then enters the mixing These BPF D142 D143 D144 D145 is adjusted by the variable condenser The input voltage by variable condenser is adjusted by the outputting voltage by microprocessor IC811 See PIC 2 2 The front end of V Band RF Amplifier The signal which is received from the antenna enters the transmission receive change over switch diode circuit D322 D315 D316 D443
24. l See PIC 2 7 Squelch A part of AF signals from FM IC U516 enter IC again The noise components are enlarged and revised by the filter and then creates the DC voltage corresponded to the noise level Version 0905 V1 Page 5 of 38 The DC signal is sent to the simulated port Pin28 of microprocessor through FM IC IC405 decides whether outputs the sound from the speaker by testing the outputted voltage is higher or lower than the default value See PIC4 RECEIVE SIGNALLING 0516 7811 0515 1525 gt AFAMP sw T523 T524 PIC4 8 Receiving Signaling QT DQT The signal from FM IC U516 enters and is processed by microprocessor IC811 See PIC4 Microprocessor IC811 determin whether QT DOT matches the setting value and control the output of P SPK and loudhail by this result See PIC 4 PLL Frequency Syntheses PLL circuit produces the Rx LO for receiving and the RF signal for transmitting This transceiver is adopted double channel integrate circuit which can simultaneously produce two different Rx LO and RF signal 1 PLL The frequency step of PLL circuit is 5 or 6 25kHz The referring surge signal of 14 4MHz is divided frequency by a fixed arithmometer in U112 The signal from the oscillator VCO is cushioned and enlarged by T130 and T311 separately and is divided frequency by programmable double modulation arithmometer separately in U112 In the U112 phase comparator the frequency division proce
25. nds and mixes the first intermediate frequency signal and the second LO signal of 28 8MHZ and then creates the second LO signal of 450kHz The second intermediate frequency signal keeps eliminating the signals of the adjacent channels by the chinaware wave filter The second signal through filter is enlarged by limiting amplifier and demodulated by orthogonal detector with chinaware discriminator The demodulated signal enters the tone circuit on microprocessor IC811 and processes See PIC2 5 Wide Narrow Switch Circuit We can set the bandwidth of all channels by turning on the Wide Narrow switch The data from Wide low level and Narrow high level is outputted by the 14 pin on microprocessors T528 is connected when receiving the data from WIDE low level T528 is disconnected when receiving the data from NARROW high level T528 is connected disconnected by WIDE NARROW data The regular changing level from U516 detector is used to maintain the constant output level on WIDE NARROW signals See PIC3 T520 U516 FM IF SYSTEM QUAD IFOUT C560 RX_W N 10911 Pin14 L Wide Narrow CR512 lt lt SR PIC3 6 Tone Amplifier Circuit The demodulated signal is sent to the tone amplifier by T811 from the 25 feet tube of microprocessor IC811 after entering the tone circuit and being processed After being enlarged by the tone power amplifier the signal is outputted to the loudhailer by AF volume contro
26. sses compare After being filtered by the different lowpass the two created signals separately are sent to the two independent controlling frequency of oscillator See PIC 5 TC chy em 0324327 A 0325328 I PIC5 2 VCO Band on the Transceiver The frequency that is used in U Band on the transceiver is produced by T134 vibration when it is transmitting or Version 0905 V1 Page 6 of 38 receiving frequency points Through the phase comparator will receive transportation to the VCO control voltage variable diode 0132 D139 D131 D140 to control the oscillation frequency Oscillation frequency of signal by the T135 T135 amplification levels with the D136 and D135 were sent to the RF amplifiers and receivers for the first points of the vibration frequency See PICS V Band VCO on the Transceiver The frequency that is used in V Band on the transceiver is produced by T325 vibration when it is transmitting or receiving frequency points Through the phase comparator will receive transportation to the VCO control voltage variable diode D324 D325 D327 D328 to control the oscillation frequency Oscillation frequency of the signal by the T135 T135 amplification levels with the D136 and D135 were sent to the RF amplifiers and receivers for the first points of the vibration frequency See PICS IV Transmitting Part System 1 Speaker Amplifier The signal from speaker processes regula
27. tage Sample Input End 29 XIN 30 XOUT 31 VSS 32 RESET 33 VDD 34 5SC VHF VHF VCO Electronic Source Control 35 P TX RX VHF VHF Transmitting Receiving electronic source control 36 P SPK Audio Power Amplifier Electronic Power Control 37 LAMP2 Illumination Control 38 P TX RX UHF UHF Transmit Receive Electronic Source Control 39 LCD_CS LCD Drive CMOS chip 40 RXD PTT Communication Data Foot Input Transmit Key Examination 41 Voice BUSY DTMF STD Voice Chip Busy Line Double Audio Decoding Valid Data Receiving Symbol Bite 42 FM SDIO Voice DATA Reception Chip Serial Data Voice Chip Serial Data 43 GREEN Controlled by Receiving Indicator Light 44 RED TXD Receiving Indicator Light serial communication data foot outputs Adjustment Apparatus used in Adjustment Lineless Integration Test Apparatus Digital voltage stabilized source Digital Multimeters Nominal Voltage 7 4V 6 2 Alarm Voltage Tone Power 0 5W Test Instrument Test Contents Text Range Test Value Points Apparatus VHF VCO TX RX CV V 136 000MHz Higher than 0 8 Digital Multimeters Version 0905 V 1 Page 13 of 38 TX RX CV V 174 995MHz Lower than 4 0V Digital Multimeters UHF VCO TX RX CV U 400 000MHZ Higher than 1 0V Digital Multimeters UHF VCO TX RX CV U 470 995MHZ Lower than 4 0V Digital Multimeters Version 0905 V1 Page 14 of 38 DCS Modulation Lineless Integra
28. the microprocessor 5V 5M When connecting 5M always keep outputting Although 5M is the regular output it is closed when turn off the electrical power to prevent the microprocessor from malfunction 5C V is the public 5V on V Band which keeps output on non save mode 5C U is the public 5V on U Band which keeps output on non save mode 5R U is the receiving 5 on U Band which keeps output during receiving 5T U is the transmitting 5V on U Band which keeps output during transmitting 5R V is the receiving 5V on V Band which keeps output during receiving Version 0905 V1 Page 8 of 38 5T V is the transmitting 5V Band which keeps output during transmitting SR is the shard 5V by the intermediate frequency circuit U band and band of receiving use in common the partial power source The electrical power is used in enlarging the speaker The shared partial electrical source on U Band and V Band There are another two overall electrical sources BATT and BATT BATT is input electronic source BATT is electronic source by controlled by power switch VI Controlled Electrical Circuit The controlled circuit is made up of microprocessor IC811 and exterior circuit It controls the TX RX unit The main functions of IC811 are as bellows 1 Transforming the transmitting and receiving states according to PTT input signal 2 Numerating system group frequency and program data from the stored circuit 3 Sending frequency data to PLL
29. tion 0 3KHz X 0 7KHz Spoke Test Apparatus Debugging Lineless Integration 3dB 3dB Characteristic Test Apparatus Lineless Integration VHF POWER 136 174 995MHz 24 3W Test Apparatus Lineless Integration UHF POWER 400 470 995MHz 4 0W Test Apparatus Components List Mainboard Top Layer Part Detailed List NO Name Item Spec Dosage Bit No 1 Capacitance 2P C0402 C5 35 2 Capacitance 8P C0402 C5 34 3 Capacitance 10P C0402 C8 51 C632 4 Capacitance 12P C0402 C5 88 5 Capacitance 20P C0402 C5 21 6 Capacitance 24P C0402 C5 98 7 Capacitance 27 C0402 C8 49 C848 8 Capacitance 68P C0402 5 94 9 Capacitance 100P C0402 13 C8 23 C822 C821 C820 C657 C656 C653 C65 C2 06 C160 C646 C397 C394 10 Capacitance 102P C0402 10 CI 90 C838 C639 C611 516 C373 C169 C16 c6 45 R631 11 Capacitance 103P C0402 22 60 C847 C839 C837 C829 C815 C813 C612 C5 96 C545 C541 C512 C168 C166 C388 C844 CI C159 C138 C644 615 C393 Version 0905 V1 Page 15 of 38 Version 0905 V1 Page 16 of 38 12 Capacitance 104P C0402 36 C83 C364 C846 C845 C389 C843 C842 C840 R16 C652 C641 C640 C636 C634 C624 C599 C
30. tion of the maximum frequency deviation by tone processor U611 And then it is sent to VCO on U Band or V Band for modulating and inputting See PIC 6 U611 MIC AMP U CO MIC Limiter Splatter filter CO PIC6 2 Drives and Terminal Amplifier This transceiver has two separation drives and terminal amplifiers on U Band and V Band ODrives and Terminal Amplifier on Band The signal from T R Switch D136 ON is enlarged to 50mW by pre drive amplifier T139 T140 and drive amplifier T141 The output of drive amplifier is enlarged to 4 0W by the RF power amplifier T142 works as when low power is 1W The output of RF power amplifier is through the harmonic filter LPF and the antenna switch D148 and is sent to the terminal of the antenna See PIC 7 Q Drives and Terminal Amplifier on Band The signal from T R Switch D312 ON is enlarged to 50mW by pre drive amplifier T319 T320 and drive amplifier T322 The output of drive amplifier is enlarged to 4 0W by the RF power amplifier T322 works as when low power is 1W The output of RF power amplifier is through the harmonic filter LPF and the antenna switch and is sent to the terminal of the antenna D322 See PIC 7 Version 0905 V1 Page 7 of 38 UHF 1439 1140 MH 1142 0148 From Pre DRIVE gen 0612 vi B R615 R616 R659 R660 PCTV Pin24 T319 T320 From Si e a P rone 1 gt

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