HYT TM-800K Service Manual Download Page 94

Page: 94 / 128

TM-800K Service Manual

Troubleshooting Flow Chart

Normal Power-on

alert tone?

MCU

Check

RF circuit can’t

be driven

Yes

Speaker works

well?

Replace

the speaker

9.8304MHz works

normally?

Yes

Read available

or not?

Yes

Q117 works

normally?

Replace Q117

MCU works well

Pin10 is of

high level?

Check the

control circuit

Check read

circuit

Reset

Yes

Check 5V

Summary of Contents for TM-800K

Page 1: ......

Page 2: ...Circuit Description 16 Semiconductor Data 21 TM 800K Parts List 1 28 Tuning Description 77 Terminal Function 89 Troubleshooting Flow Chart 92 Disassembly and Assembly for Repair 96 Exploded View 98 TM...

Page 3: ...z Transmit only when people inside and outside the vehicle are at least the minimum distance away from a properly installed externally mounted antenna z Mobile antenna substitution Don t substitute HY...

Page 4: ...containing radio equipment shall be isolated by a seal from the space in which the LP gas container and its fittings are located 2 Remote outside fitting connections shall be used 3 Good ventilation...

Page 5: ...on off The knob may be programmed by your dealer to select Volume Up Down Channel Up Down and Zone Up Down Turn the knob clockwise to adjust upwards and counter clockwise to adjust downwards 4 LCD Di...

Page 6: ...on 1 Display zone channel number 2 Display transmit power level H M or L 3 Display the preprogrammed function Appears when the current channel is busy Appears when the Monitor key is pressed to monito...

Page 7: ...al 5 Rear Panel View 1 DB15 Further development interface 2 DC power jack Used to connect 13 6V DC power 3 Fuse of DC power 4 Grounding terminal 5 Switch of AC power 6 Fuse of AC power 7 AC power jack...

Page 8: ...lding down PF4 key turn on the radio Wired Clone Mode While holding down PF5 key turn on the radio PC Programming Mode Receive commands from PC Note When power on password is enabled you must input th...

Page 9: ...if it is disabled by your dealer It can be set ON only after being programmed through the programming software Firmware Version Display Mode Turn the radio on while holding down PF3 to enter Firmware...

Page 10: ...n the target radio 4 Press PF6 to start cloning the LED of source radio glows red and that of target radio glows green during cloning PROGRAMMING is also displayed on the target radio END appears on t...

Page 11: ...465 15 440 15 489 85 452 55 477 55 465 00 465 20 465 40 440 490M U4 TX MHz 465 00 440 00 490 00 452 50 477 50 465 00 465 20 465 40 RX MHz 503 15 480 15 525 85 491 75 515 25 503 00 503 20 503 40 480 52...

Page 12: ...Enable disable Clock Shift A icon appears when clock shift is enabled PF3 1200 2400bps MSK icon appears when 2400bps is selected PF4 Return to Test Mode PF5 None PF6 None 3 In Test Mode press PF3 to...

Page 13: ...Save the settings enter the next item Selector Knob Adjust upwards downwards 5 Setting Items 1 256 Setting Item Wide Medium Narrow band Frequency Main LCD Sub LCD Description Frequency Stability Wide...

Page 14: ...SS 151 4Hz Center 151 4 DEV n C CTCSS 151 4Hz Low 151 4 DEV n L CTCSS 151 4Hz Narrow High 151 4 DEV n H CTCSS 151 4Hz Center 254 1 DEV C CTCSS 254 1Hz Low 254 1 DEV L CTCSS 254 1Hz Wide High 254 1 DEV...

Page 15: ...Sens CL No signal SQL off Center Rx Sens C No signal SQL off High Center Rx Sens HC No signal SQL off RX Sensitivity High Rx Sens H No signal SQL off Center OpenSQL9 C No signalling Low OpenSQL9 L No...

Page 16: ...n L No signalling RSSI High Level Narrow High High RSSI n H No signalling Center Low RSSI C No signalling Low Low RSSI L No signalling Wide High Low RSSI H No signalling Medium Center Low RSSI m C No...

Page 17: ...450 512M U2 TX MHz 481 00 450 00 512 00 465 50 496 50 481 00 481 20 481 40 RX MHz 375 15 350 15 399 85 362 55 387 55 375 00 375 20 375 40 350 400M U5 TX MHz 375 00 350 00 400 00 362 50 387 50 375 00...

Page 18: ...ated from TCXO 73 5MHz the second local oscillator signal 50 4MHz of VHF model is generated from the frequency tripling of TCXO 16 8MHz The PLL circuit also generates the frequencies needed in the tra...

Page 19: ...F 73 5MHz VHF 50 4MHz to create a 450 KHz second IF signal The second IF signal is then fed to a ceramic filter N CF103 W CF104 to eliminate unwanted signals The resulting signal is detected by IC119...

Page 20: ...Power Module and passes through LPF before reaching the antenna terminal APC The APC is used to keep the power output at a constant preset value D105 and D106 transform the signal from detector into D...

Page 21: ...hase comparator is sent to TX VCO after passing through LPF Q804 Q805 In the meantime modulation signal TX is passed to TX VCO for frequency modulation The working principle in receive mode is similar...

Page 22: ...y software Figure 5 Power Switch Circuit Vout provides power supply to IC115 IC114 IC113 and IC111 which produces 8V 9V 5V and 3 3V voltage to the circuit Display Circuit Display circuit is comprised...

Page 23: ...oltage 3 Display CPU UPD78F0511GB Display Unit IC503 3 1 Pin Function Pin No Name I O Function 1 P41 2 P40 O SHIFT 3 RESET 4 P124 XT2 5 P123 XT1 6 FLMD0 7 P122 X2 8 P121 X1 9 REGC 10 VSS 11 VDD 12 P60...

Page 24: ...C040 90T1 TX RX Unit IC103 4 1 Pin Function Pin No Name I O Function 1 6 9 20 31 A18 A0 I Flash ROM address bus 7 WR I Flash ROM write enable 8 VCC 5V 21 23 25 29 D0 D7 I O Flash ROM data bus 24 VSS G...

Page 25: ...14 DIR I Serial data I O control pin 15 XOUT I Crystal oscillator connecting input pin 16 XIN I O Crystal oscillator connecting input and output pin 17 VDD Positive power supply pin 18 EXPOUT O Expan...

Page 26: ...3302P TX RX Unit IC111 TA7805F TX RX Unit IC113 TA78L09 TX RX Unit IC114 TA7808S TX RX Unit IC115 10 Amplifier NJM2904V TX RX Unit IC104 TX RX Unit IC110 TX RX Unit IC130 TA75W558FU TX RX Unit IC107 T...

Page 27: ...C H 24 P74 TA2out AFTDATA O Bandpass chip MSK serial data TDATA 25 P73 TA1in AFTCLK I Bandpass chip MSK serial clock TCLK 26 P72 TA1out AFDIR O Bandpass chip I O control DIR 27 P71 RXD2 RXD2 I Serial...

Page 28: ...FLASH ROM address bus 87 P10 PWR I PWR key input On L 88 P10 IGN I Ignition sense input H off L on PLLDAT O PLL data output 89 P10 DADAT O DA data output 90 P10 PLLCLK O PLL clock output 91 AN3 TEMP I...

Page 29: ...operational amplifier IC117 IC TA75S01F Single operational amplifier IC118 IC TA75W01FU Dual operational amplifier IC119 IC TA31136FN IF detector IC120 IC M16C CPU IC121 IC BU4066BCFV Quad analog swit...

Page 30: ...B8M 2 3001060000000 Chip resistor 0603 0 J 1 10W R 68 R116 B5E R172 B5E R182 B9H R184 B8H R193 T6E R210 T6F R211 B4K R218 T6E R254 B7C R270 B7K R281 B9K R290 T6E R312 B8E R317 B7J R318 B7J R324 B6J R...

Page 31: ...E R479 T8E R480 T8E R481 T8D R482 T8E R483 T8D R484 T8D R485 T8D R486 T8D R496 T8D R497 T7E R501 T10G R502 T10G R504 T7D R506 T7D R508 B9K R603 T7M R609 T7M R817 T9H R821 T9I R823 B8H 3 3001061000000...

Page 32: ...1K J 1 10W 24 R133 B7D R144 B8E R146 B5F R166 T4H R171 T7L R177 B2L R178 B3M R181 B9L R212 T10M R232 B6F R233 B5H R234 T6H R256 B7C R273 B9K R288 T8C R315 B8E R328 B7K R344 T5E R349 B7I R350 B6F R361...

Page 33: ...T7N R806 B8H R807 B7H R808 T8G R902 T7B R903 T7B 7 3001061040010 Chip resistor 0603 100K J 1 10 21 R104 T7F R108 B8I R127 B5D R129 B5E R179 B2M R188 T7E R203 T8B R215 T6D R277 B7K R304 T7C R321 T6D R...

Page 34: ...329 B6F 14 3001061540000 Chip resistor 0603 150K J 1 10 3 R216 T6D R292 T8C R369 T8C 15 3001061800000 Chip resistor 0603 18 J 1 10W 4 R147 B7E R151 B5G R152 B9D R228 T8I 16 3001061820000 Chip resistor...

Page 35: ...9H R159 B5E R319 T6D R801 B7H 24 3001062700000 Chip resistor 0603 27 J 1 10W 1 R809 T9H 25 3001062710000 Chip resistor 0603 270 J 1 10W 4 R145 B7E R148 B7E R241 B9D R243 B9D 26 3001062720000 Chip resi...

Page 36: ...R450 B6K R453 B6K 35 3001063940010 Chip resistor 0603 390K J 1 10 1 R103 T7F 36 3001064700000 Chip resistor 0603 47 J 1 10W 4 R136 T8I R167 T7L R253 B6C R257 B7D 37 3001064710000 Chip resistor 0603 4...

Page 37: ...740010 Chip resistor 0603 470K J 1 10 8 R106 B8I R111 B9H R185 T7E R297 T6E R336 B6F R381 B5M R382 B5M R818 T9H 41 3001065120000 Chip resistor 0603 5 1K J 1 10 1 R490 B8K 42 3001065130010 Chip resisto...

Page 38: ...1 8W R 1 R157 B5H 54 3001075690000 Chip resistor 0805 5 6 J 1 8W 1 R161 B3I 55 3001078210000 Chip resistor 0805 820 J 1 8W 2 R160 B3I R163 B3I 56 3001161210000 Chip resistor 2010 120 J 1 2W 1 R170 B5...

Page 39: ...capacitor 0603 3PF B 50V MU 2 C119 T8H C120 T8H 66 3101060400010 Chip capacitor 0603 4PF B 50V MU 6 C244 B7D C245 B6D C247 B4I C248 B6D C249 B7C C629 T6N 67 3101060500010 Chip capacitor 0603 5PF B 50V...

Page 40: ...205 B10F C206 B10F C207 T5C C208 T5C C303 B7E C388 T6I C446 T7E C448 T7E C628 T7N 74 3101061020000 Chip capacitor 0603 1000PF K 50V 71 C102 B9M C107 B1K C111 T6H C113 T8G C116 T8G C118 T8G C128 B8F C1...

Page 41: ...324 B6F C325 B6I C327 B9I C331 B9I C342 B3K C346 T8B C360 B6F C365 B6M C367 B1N C368 B1M C411 T4D C426 T9D C427 T9E C428 B10J C429 B10J C430 B10J C431 T10E C432 B10J C440 T8D C441 T8D C442 T7D C443 T7...

Page 42: ...C193 T6F C220 B4E C222 B7C C236 T6I C241 B6F C242 T6H C243 B6F C250 B6C C252 B6C C257 B7C C258 T8K C260 T9K C261 T9L C269 B8K C297 B4K C309 B7C C310 B7E C318 B6G C322 T4G C326 T4B C330 B6E C332 T7L C...

Page 43: ...6E C417 T8C C425 T9C C466 T7C C469 T7D C471 B3L C472 B3L C474 B6K C624 T7M C903 T8B 77 3101061050000 Chip capacitor 0603 1UF Z 25V MU 13 C101 B10N C219 B6I C230 B6I C341 B6H C361 B6H C434 T7C C436 T4C...

Page 44: ...C192 T6G C320 B6F C321 B6F 89 3101062220010 Chip capacitor 0603 2200PF K 50V 1 C201 T6F 90 3101062230020 Chip capacitor 0603 0 022UF K 25 3 C283 T9B C313 B6J C316 B7K 91 3101062240000 Chip capacitor...

Page 45: ...C160 T3J C162 B5D C173 B3A C176 B3A C180 B3A C217 T10M C221 T8H C228 T9J C229 T8I C256 B6C C266 B7L C304 B5E C306 B8E C308 B8E C334 T4D C335 T3D C336 T3D C371 B5E C374 B4E C601 T6M C604 T6M C608 T7N...

Page 46: ...805 12PF J 50V M 1 C151 B4I 107 3101073340010 Chip capacitor 0805 0 33UF K 25V 1 C311 B6J 108 3101080100010 Chip capacitor 1206 1pF C 500V N 2 C263 T5N C416 T4K 109 3101080200010 Chip capacitor 1206 2...

Page 47: ...ductor 1008 470nH NLV25T 2 L128 T6H L602 T8M 124 3213212682000 Multi layer chip inductor 1008 6 8uH NLV25T 1 L115 T8K 125 3213306151000 Multi layer chip inductor 0603 0 15uH MLF16 2 L125 B7C L131 B7C...

Page 48: ...20100060 Switching diode MA3J74200L 30V 3 6 D102 T6D D103 T6F D105 B3A D106 B3A D110 B6J D111 B7F 141 3303030100020 Switching diode DAN235E SOT 416 2 D115 T6H D116 T6G 142 3303060300010 Switching diod...

Page 49: ...KA PNP Rohm 4 Q135 B3L Q136 B2K Q137 B3K Q141 B3M 155 3403008000010 Transistor DTC114EE TL NPN R 8 Q101 B3M Q104 B4L Q105 B6K Q108 T9C Q109 T6C Q110 B5J Q111 B5K Q115 B5L 156 3403008000070 Transistor...

Page 50: ...B3L 176 3608002005490 Power management IC DC TA78L09F TE 1 IC114 B9I 177 3608002020890 Power management IC TA7805F TE16L F 1 IC113 T4B 178 3608015005600 Power management IC XC62FP3502PR 3V 1 IC111 T8...

Page 51: ...Tantalum capacitor 1206 0 1UF M 35VTE 1 C808 T9H 197 3002994730080 Trimmer resistor 3 65 3 0 1 5 47 1 VR101 T5J 198 3104081050090 Tantalum capacitor 1206 1UF M 16V TEE 5 C378 T8B C380 T8B C393 B6J C9...

Page 52: ...3104086840020 Tantalum capacitor 1206 0 68UF M 25V 1 C806 T9I 211 3001061240010 Chip resistor 0603 120K J 1 10 1 R449 B6K 212 3101080300010 Chip capacitor 1206 3pF C 500V N 1 C421 T3N 213 310108040001...

Page 53: ...9E R446 B6K R447 B6K R470 T8D R471 T8D R473 T7D R474 T7E R475 T7E R476 T7E R477 T7E R478 T8E R479 T8E R480 T8E R481 T8D R482 T8E R483 T8D R484 T8D R486 T8D R492 T10B R497 T7E R501 T10G R504 T7D R506 T...

Page 54: ...8I R229 T6I R236 T6H R251 B4E R520 T7C 5 3001061020010 Chip resistor 0603 1K J 1 10W 17 R127 B9L R144 B7E R166 T4H R177 B2L R178 B3M R232 B6F R234 T6H R256 B7C R273 B9K R288 T8C R328 B7K R344 T5E R349...

Page 55: ...8J R287 T8C R311 B7E R326 B6G R356 B3M R371 T8C R372 T8B R380 B5M R392 T8H R806 B8H R807 B8H R808 T8G R902 T7B R903 T7B 7 3001061040010 Chip resistor 0603 100K J 1 10 24 R108 B8I R171 B5D R179 B2M R20...

Page 56: ...B8H R123 B8I R124 T10J R165 B9K R341 B9K 13 3001061530010 Chip resistor 0603 15K J 1 10W 4 R201 T6F R219 T6H R227 T6G R329 B6G 14 3001061540010 Chip resistor 0603 150K D 1 10 3 R292 T8C R347 B7I R369...

Page 57: ...1 10 2 R110 B9H R323 B7G 24 3001062710000 Chip resistor 0603 270 J 1 10W 6 R244 B6E R245 B6E R246 B6D R247 B6D R309 T10K R310 T10L 25 3001062720000 Chip resistor 0603 2 7K J 1 10 2 R804 T8H R805 T9G 2...

Page 58: ...47 J 1 10W 3 R136 T8I R159 T7L R606 T7M 35 3001064710000 Chip resistor 0603 470 J 1 10W 3 R129 B5I R155 B5H R358 B3L 36 3001064720000 Chip resistor 0603 4 7K J 1 10 17 R121 T10C R122 T10C R125 T10B R...

Page 59: ...1 B9H R185 T7E R297 T6E R336 B6F R381 B5M R382 B5M R818 T9I 39 3001065120000 Chip resistor 0603 5 1K J 1 10 1 R490 B8K 40 3001065130010 Chip resistor 0603 51K J 1 10W 1 R195 T8A 41 3001065690000 Chip...

Page 60: ...91K D 1 10W 1 R188 T7E 53 3001070000000 Chip resistor 0805 0 J 1 8W Ro 1 L603 T7N 54 3001071800000 Chip resistor 0805 18 J 1 8W R 2 R157 B5H R161 T3F 55 3001072710000 Chip resistor 0805 270 J 1 8W 2 R...

Page 61: ...hip capacitor 0603 7PF B 50V MU 2 C245 B6E C248 B6D 68 3101060800010 Chip capacitor 0603 8PF B 50V MU 1 C374 B6F 69 3101060900010 Chip capacitor 0603 9PF B 50V MU 7 C132 B8E C602 T6M C607 T7M C611 T8M...

Page 62: ...C133 B4F C139 B4F C141 B5G C142 B5E C146 B5H C149 T5G C152 T5F C153 T4H C154 B7C C155 T10M C159 T4J C160 T3J C162 T5K C173 B5D C176 B3A C180 B3A C182 T7D C184 B7K C211 B2L C212 B1L C213 B1L C214 B2L C...

Page 63: ...300 B10G C302 B10G C304 T5M C306 B7D C308 B7D C310 B7E C314 B6J C317 B7J C323 B5K C325 B6I C327 B9I C330 B6E C331 B9I C332 T7L C334 T4D C335 T3D C336 T3D C337 T4D C338 T6L C342 B3K C346 T8B C360 B6F C...

Page 64: ...C622 T8M C725 B8F C801 B8H C802 T8H C803 T8H C804 T8G C812 T8G 73 3101061030010 Chip capacitor 0603 0 01UF K 25V 34 C112 B9I C115 B8I C166 T5K C167 B5D C187 B9J C193 T6F C217 B7H C219 B6H C227 T10J C2...

Page 65: ...Chip capacitor 0603 0 1UF K 16V 36 C156 T4H C158 T6E C161 T4J C164 T3J C185 T6E C188 T6E C197 T9C C202 T7E C215 T8F C216 B8I C233 T6H C234 T6G C235 T7I C262 T8K C267 B6K C276 T6E C277 T7C C279 T6E C2...

Page 66: ...23 T8H C226 T8H C240 B8E C609 T8N C620 T9M 3101061510000 Chip capacitor 0603 150PF J 50V 5 C144 B5G C198 T8B C243 B6F C250 B6C C616 T9M 79 3101061540000 Chip capacitor 0603 0 15UF K 25V 1 C189 T8A 80...

Page 67: ...r 0603 330PF K 50V 2 C183 T6E C312 B7G 92 3101063900000 Chip capacitor 0603 39PF J 50V R 1 C145 B4H 93 3101064700000 Chip capacitor 0603 47PF J 50V M 1 C104 T6D 94 3101064710000 Chip capacitor 0603 47...

Page 68: ...101010 Multi layer chip inductor 1008 100nH NLV25T 1 L142 T7L 113 3213212103000 Multi layer chip inductor 1008 10uH NLV25T 4 L108 B8H L114 B6C L140 B6F L601 T7M 114 3213212330000 Multi layer chip indu...

Page 69: ...1 IC111 T8F 133 3609018001090 IC BU4066BCFV Quad ana 1 IC121 T6C 134 3612031004460 wetproof memory AT29C040A 90TU 1 IC103 B9M 135 3701016850020 Temperature Compensated Crystal Oscillator 16 8MHz TCVCX...

Page 70: ...f Baseband processor IC AK2346 E2 T 2 IC106 T9B IC900 T7B 150 3612031004440 Memory AT24C64AN 10SU 2 7 1 IC105 B7J 151 3608002005490 Power managementIC DC TA78L09F TE 1 IC114 B9I 152 3605002054790 Oper...

Page 71: ...r diode UDZSTE 174 7B 4 1 D120 T6H 167 3303010500040 Switching diode 1SS355 TE17 SOD 8 D101 B5E D109 B2L D118 B3M D123 B5F D130 B6J D131 B9I D132 B3K D133 B2K 168 3303020100060 Switching diode MA3J742...

Page 72: ...0000 FET 2SJ506STR E P cha 1 Q142 T3D 187 3001164720000 Chip resistor 2010 4 7K J 1 2W 1 R359 T4D 188 3101082700000 Chip capacitor 1206 27PF J 500V 2 C168 T4K C263 T5N 189 410M8001011F0 TM 800V main b...

Page 73: ...4750070 Tantalum capacitor 1206 4 7UF M 20 1 15 C370 B9H C379 T6F C383 T6D C384 T6E C386 T7H C390 T6D C391 B6G C392 B7F C397 T4B C404 B8J C405 T8C C406 T5D C435 T5D C460 B5K C461 B6K 210 3104082260060...

Page 74: ...esistor 0603 1K J 1 10W RoHS 15 R532 B4G R533 B4G R534 B4G R535 B4G R536 B4G R537 B4G R538 B2E R539 B1E R540 B2J R541 B3J R542 B2F R543 B2E R544 B1I R13 B3C R14 B4B 3 3001061520000 Chip resistor 0603...

Page 75: ...7K J 1 4W RoHS 1 R50 B1C 12 3001062730010 Chip resistor 0603 27K J 1 10W RoHS 1 R521 B1E 13 3001063330010 Chip resistor 0603 33K J 1 10W RoHS 2 R559 B2J R17 B4B 14 3001063920000 Chip resistor 0603 3...

Page 76: ...5 3001162700000 Chip resistor 2010 27 J 1 2W RoHS 1 R520 B1D 26 3002994720030 Trimmer resistor 2 7 2 0 0 9 4 7K 25 TMC2K2J B4 7K TR RoHS 1 VR1 B1I 27 3101061010010 Chip capacitor 0603 100P J 50V GRM18...

Page 77: ...30 RoHS 2 L502 B3I L503 B4J 36 3221506601000 Chip ferrite bead 0603 600 25 BLM18AG601SN1 100MHz RoHS 2 L501 B2H L504 B1G 37 3302030500020 Zener diode UDZSTE 1718B 18V SOD 323 RoHS 2 D517 B4J D519 B2J...

Page 78: ...52 3608002020890 Power management IC TA7805F TE16L F 5V Three Terminal Positive Voltage Regulators RoHS 1 IC501 B3E 53 3610003000040 MCU UPD78F0511GB UES A 8 BIT RoHS 1 IC503 B2G 54 3701098340020 Cry...

Page 79: ...Key 6 LED Display 7 Numeric Keys and Function Keys 8 Speaker Panel Test Mode When the Function is Off icon does not appear Controls Function Description Up Volume up Down Volume down PF1 Wide medium n...

Page 80: ...unction PF6 No function Panel Tuning Mode Controls Function Description Up Volume up Down Volume down PF1 Test mode tuning mode switch PF2 Noise squelch switch When the squelch is open icon appears PF...

Page 81: ...35 00 435 20 435 40 RX MHz 465 15 440 15 489 85 452 55 477 55 465 00 465 20 465 40 440 490M U4 TX MHz 465 00 440 00 490 00 452 50 477 50 465 00 465 20 465 40 RX MHz 503 15 480 15 525 85 491 75 515 25...

Page 82: ...tion MSK Deviate 9 Single tone frequency deviation Tone Deviate 10 RX sensitivity Rx Sensitivi 11 Squelch open level Open SQL 12 Squelch close level Close SQL 13 Rssi High level High Rssi 14 Rssi Low...

Page 83: ...TM 800K Service Manual 81...

Page 84: ...for minimum circuit loading Oscilloscope DC through 70MHz High Sensitivity Frequency Counter Frequency Range Frequency Stability 10Hz to 600MHz 0 2ppm or less Ammeter 13A or more AF Volt Meter AF VTVM...

Page 85: ...ument Radio Communication Test Set 1 set Scanner 1 set 20A 30V Power Supply 1 set Digital Voltmeter 1 set Power Meter 1 set Signal Line with dummy load 1 pcs Adjustment 1 Download Connect the radio wi...

Page 86: ...465 00 440 00 490 00 452 50 477 50 465 00 465 20 465 40 RX MHz 503 15 480 15 525 85 491 75 515 25 503 00 503 20 503 40 480 526M U3 TX MHz 503 00 480 00 526 00 491 70 515 20 503 00 503 20 503 40 RX MHz...

Page 87: ...CH C CH L CH H CH mC CH nL CH nH CH nL Radio Communication Test Set FILTER 0 05 15KHz AF 1KHz 50mV ANT MIC Jack Adjust software settings press PF6 to save and enters the next item 1 9 0 1KHz N Check...

Page 88: ...ment item 8 Radio Communication Test Set FILTER LPF 3KHz ANT Change MSK settings with Selector Knob 3 0KHz 0 1KHz W 2 4KHz 0 1KHz M 1 5KHz 0 1KHz N 14 2 Tone 5 Tone Each Ch corresponds to a specific T...

Page 89: ...D 1KHz DEV 3KHz W 2 4KHz M 1 5KHz N FILTER 0 3 3 0KHz ANT SP Jack W N switch turn on the radio while holding down PF6 to enter Channel Set Mode UP DOWN to change channel Check SINAD 12dB or higher Rad...

Page 90: ...software settings once the value is changeless press PF6 to save it UHF 4KHz 0 1KHz W VHF 3 5KHz 0 1KHz W UHF 3 2KHz 0 1KHz M VHF 2 8KHz 0 1KHz M 23 DI Deviation Enter adjustment item 15 turn to CH C...

Page 91: ...LCD driver 4 LCDW LCD data write 5 LCDR LCD data read 6 LCDCS LCD control signal output 7 LCD LCD display contrast 8 LAMP Power for backlight J504 To DISPLAY UNIT 1 ME MIC ground 2 MIC MIC signal out...

Page 92: ...aker 2 SP2 BTL input for remote speaker output 3 SP1 BTL input for remote speaker output 4 GND GND J111 at the rear panel to Secondary Development Interface 1 TXD0 Serial data input 2 RXD0 Serial data...

Page 93: ...ignal Input from Option Board to Radio 5 5V 5V 6 TXD1 Serial data output 7 TXAF_OUT TX audio input before audio process from Radio to Option Board 8 RXD1T Serial data input 9 TXAF_DO TX audio output b...

Page 94: ...k RF circuit can t be driven Yes Speaker works well No Replace the speaker No 9 8304MHz works normally Yes Read available or not Yes Q117 works normally Replace Q117 MCU works well Pin10 is of high le...

Page 95: ...cillates And CV voltage is normal Yes Q706 works normal No Check Q703 outputs normally Check Q703 Normal feedback Check Q124 Check power supply circuit Check CPU data circuit 16 8MHz oscillates Q705 w...

Page 96: ...ormally L135 works normally Is there any input in IC119 PIN16 IF Is there any RF signal Replace L135 Check X105 UHF or Q120 VHF Check IC125 Check work status of IC119 peripheral components Check VCO F...

Page 97: ...nsistor Bias voltage and low pass network Repair transmission network Check the suited network VCO maintenance Flow chart Replace Q128 Replace Q127 Completed Completed Completed Control voltage is nor...

Page 98: ...shows step See Figure 1 3 Perform the above operations reversely to assemble the cover Figure 1 Disassembly and assembly of mobile radio 1 Remove the 4 pan head screws M4 X9 with screwdriver as shown...

Page 99: ...wer supply Figure 3 Disassembly and assembly of power board 1 Remove the 4 pan head screws M3 X6 with screwdriver as shown in step See Figure 4 2 Pull out the fuse of ATO in the directon as the arrow...

Page 100: ...TM 800K Service Manual 98 Exploded View...

Page 101: ...ing terminal RoHS 1 14 7203002400000 Nut M3 0 2 4mm 00 RoHS 2 15 4002000000030 ATO fuse 0257015 15A 32V RoHS 1 16 4210250000000 TR 50 DC jumper with 14 250mm long red RoHS 1 17 4210250000100 TR 50 DC...

Page 102: ...TM 800K Service Manual 100 Packing...

Page 103: ...101...

Page 104: ...102...

Page 105: ...103...

Page 106: ...104...

Page 107: ...105...

Page 108: ...106...

Page 109: ...4 SW 8R Q147 Local AMP 8R LPF BPF Q601 RF AMP 8R BPF BPF D603 D602 D601 PA Q125 8R Mixer CV IF AMP Q138 Q144 Q145 Q146 SW D119 W N SW D122 73 05M 73 05M SW SW D139 D138 Narrow Wide W N Q118 IF AMP 8R...

Page 110: ...cal AMP 8R LPF BPF Q601 RF AMP 8R BPF BPF D603 D602 D601 PA Q125 8R Mixer CV IF AMP Q138 Q144 Q145 Q146 SW D119 W N SW D122 49 95M 49 95M SW SW D139 D138 Narrow Wide W N Q118 IF AMP 8R IF BPF IF BPF S...

Page 111: ...C276 R290 0 R289 C186 0 039uF IN OUT CF103 450G IN OUT CF104 450E W I D E N A R R O W R242 2 2K R239 2 2K R249 2 2K R379 C366 C367 1000P Q143 2SJ243 R381 470K R382 470K Q115 DTC114EE C409 47U 25V R380...

Page 112: ...K D801 MA2S111 R801 220K C805 4 7U 16V R807 10K Q802 DTC144EE 5V UL Q801 DTC144EE R806 10K Q806 2SA1832 GR R802 100K R803 100K C801 1000P R809 27 C808 0 1U 35 R820 1K C807 0 1U R819 1K Q805 2SC4116 R8...

Page 113: ...705 1SV282 L707 1U C722 4P L708 1U C713 5P C712 5P L709 1U C720 0 5P R714 0 Q705 2SC4116 TC702 8P C714 4P C707 470P D703 1SV282 D704 1SV282 C715 0 3P D709 1SV278 C710 5P C702 4P C716 6P C717 5P R712 2...

Page 114: ...C3357 R604 2 7K R602 3 9K C608 470P R603 0 L1 C607 1P C606 0 5P C603 30P C605 30P R601 1M C602 0 5P L2 C601 470P C609 47P L3 C611 1P C614 0 5P C615 1P C612 30P C613 30P R607 1M C616 NC L4 L5 C618 1P C...

Page 115: ...47U C900 560P C904 33P R902 10K C903 0 1U C908 22uF 10V R904 10 C909 0 01UF AFSCK AFSCK AUX7 AUX6 AUX6 AUX7 XIN 5V GND AFOUT AFIN AGNDIN 1 AGND TXIN TXINO LIMLV EXTLIMIN MOD VSS TCLK TDATA DI O RDF F...

Page 116: ...11 0 R5321K R5331K R5341K R5351K R5361K R5371K R527 47K R525 47K R529 47K R528 47K R526 47K R524 47K R530 47K R531 47K R5381K R5391K R545 100 0 5W R5431K C527 1000P C526 100P C525 100P C524 100P C523...

Page 117: ...R27 470 0 5W R28 470 0 5W R29 470 0 5W R30 470 0 5W R24 1 5K R23 1 5K R22 1 5K R21 1 5K R19 1 5K R18 2 7K R25 1 5K Q2 2SC4617TLS C11 1000p 5 R15 22K 1 4 2 3 1 4 2 3 1 4 2 3 1 4 2 3 D11 1 4 2 3 1 4 2 3...

Page 118: ...C276 R290 0 R289 C186 0 039uF IN OUT CF103 450G IN OUT CF104 450E W I D E N A R R O W R242 2 2K R239 2 2K R249 2 2K R379 C366 C367 1000P Q143 2SJ243 R381 470K R382 470K Q115 DTC114EE C409 47U 25V R380...

Page 119: ...V R807 10K Q802 DTC144EE 5V UL Q801 DTC144EE R806 10K Q806 2SA1832 GR R802 100K R803 100K C801 1000P R809 820 C808 0 1U 35 R820 560 C807 0 22U R819 560 Q805 2SC4116 R818 470K C811 10U 16V C810 10U 16V...

Page 120: ...1SV282 C721 100P L710 50N D705 1SV282 L707 2 7U C722 47P L708 2 7U Q702 2SK508NV K52 C713 15P C712 10P L709 2 7U C720 1P R714 100 Q705 2SC4116 TC702 8P C714 15P C707 1000P D707 1SV282 D703 1SV282 D70...

Page 121: ...C624 0 1U C623 0 01U R606 47 C622 1000P R605 330 L602 82N Q601 2SC3357 R604 4 7K L603 0 R602 1K C608 1000P R603 0 L1 C607 9P C606 10P D603 1SV228 C603 220P C605 220P R601 100K C602 9P L2 C601 1000P C6...

Page 122: ...u R903 10K R901 9 1K C907 0 47U C900 560P C904 33P R902 10K C903 0 1U C908 22uF 10V R904 10 C909 0 01UF AFSCK AFSCK AUX7 AUX6 AUX6 AUX7 XIN 5V GND AFOUT AFIN 5Tone Decode Unit AGNDIN 1 AGND TXIN TXINO...

Page 123: ...6 0 R511 0 R5321K R5331K R5341K R5351K R5361K R5371K R527 47K R525 47K R529 47K R528 47K R526 47K R524 47K R530 47K R531 47K R5381K R5391K R545 100 0 5W R5431K C527 1000P C526 100P C525 100P C524 100P...

Page 124: ...17BF R27 470 0 5W R28 470 0 5W R29 470 0 5W R30 470 0 5W R24 1 5K R23 1 5K R22 1 5K R21 1 5K R19 1 5K R18 2 7K R25 1 5K Q2 2SC4617TLS C11 1000p 5 R15 22K 1 4 2 3 1 4 2 3 1 4 2 3 1 4 2 3 D11 1 4 2 3 1...

Page 125: ...0mm Weight 6 Kg Frequency Stability 2ppm Receiver Reference Sensitivity 0 25 V 12dB SINAD Adjacent Channel Selectivity 75 65dB Intermodulation Rejection 70 65dB Spurious Response Rejection 75dB UHF 80...

Page 126: ...nd store Each key can generate numeric and character information Pressing a key will cause the first character of the key s character cycle to appear on the LCD Subsequent pressing of the same key wil...

Page 127: ...or notice due to continuous technology development Changes which may occur after publication are highlighted by Revision History contained in Service Manual No part of this manual may be copied reprod...

Page 128: ......

Search results

Summary of Contents for TM-800K

Reviews:

Related manuals for TM-800K

Brands by name

Popular brands

HYT TM-800K, Service Manual

Search results

Summary of Contents for TM-800K

Reviews:

Related manuals for TM-800K

Brands by name

Popular brands