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HYT TC-508, Service Manual

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HYT TC-508 Service Manual Download Page 66

TC-508 Service Manual

64

No.

Part No.

Description

Qty Ref No. Print No.

275 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C559

T4I

276 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C562

T2H

277 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C565

T4I

278 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C576

T2J

279 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C577

T2I

280 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C579

T1F

281 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C581

T4J

282 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C583

T4J

283 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C584

T4J

284 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C585

T3J

285 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C586

T3J

286 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C587

T3J

287 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C589

T4J

288 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C591

T3J

289 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C592

T3I

290 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C595

T2I

291 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C606

T2B

292 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C612

B2J

293 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C617

B3J

294 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C635

B4H

295 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C637

B4I

296 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C643

T2A

297 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C648

T1D

298 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C649

B3J

299 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C663

T2E

300 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C670

B2G

301 3101051030020 Chip capacitor 0.01UF K 25V(RoHS)

1

C675

B1G

302 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C207

B2H

303 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C218

B2F

304 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C321

B2D

305 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C537

T4J

306 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C547

T2J

307 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C555

T3I

308 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C572

T3I

309 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C588

T3J

310 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C590

B1I

311 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C627

B2I

312 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C628

B2I

313 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C634

B4H

314 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C671

B1H

315 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C672

B1H

316 3101051050000 Chip capacitor 1UF K 6.3V(RoHS)

1

C679

B1F

Summary of Contents for TC-508

Page 1: ......

Page 2: ...duct Controls 2 Software Specifications 3 Circuit Description 7 CPU Pins 13 Parts List 1 17 Tuning Description 72 Troubleshooting Flow Chart 78 Disassembly and Assembly 81 Exploded View 84 Parts List 2 85 Packing Guide 86 PCB View 87 Level Diagram 91 Block Diagram 92 Schematic Diagram 93 Specifications 99 ...

Page 3: ...oduct shall not be deemed to grant either directly or by implication any rights to the purchaser regarding Hytera computer programs Any Hytera computer programs may not be copied modified distributed decompiled or reverse engineered in any manner without the prior written consent of Hytera Disclaimer Hytera endeavors to achieve the accuracy and completeness of this manual but no warranty of accura...

Page 4: ... 1 PTT Key 2 SK1 programmable 3 SK2 programmable 4 Antenna 5 Channel Selector Knob 6 Radio On Off Volume Control Knob 7 Speaker 8 Microphone 9 LED Indicator 10 Battery Latch 11 Accessory Jack Cover 12 Accessory Jack 13 Strap Hole 14 Belt Clip 15 Battery 16 Screw 17 Charging Piece ...

Page 5: ... orange In this case press any key to turn it off b Factory Clone The LED flashes orange in presence of error In this case press any key to turn it off The LED glows green after cloning is completed Status of the target radio in Wired Clone Mode The LED glows green during cloning The green LED goes out after cloning is completed Power On to enter User Mode When the radio is turned on a power on al...

Page 6: ... restart the radio Wired Clone Mode includes Clone Mode and Factory Clone Mode 1 Clone Mode Connect two radios using a cloning cable Power on the source radio while holding down the SK1 key and it will enter Clone Mode in approximately 2 seconds The target radio can be directly turned on to enter the User Mode In this mode data stored in EEPROM of the source radio will be cloned to EEPROM of the t...

Page 7: ...he Channel Selector knob locates Note To enter the Manual Tune Mode make sure its switch is set to Open via the programming software If this switch is set to Close the radio cannot enter this mode which helps avoid change of parameters and degradation of radio performance caused by user s misoperations Keep this option unchecked after values are well adjusted from factory to avoid any unexpected c...

Page 8: ...ed once it reaches the allowed maximum value Short press the SK2 key to decrease the value in step of 1 or hold down this key to decrease the value continuously in steps of 1 The value will remain unchanged once it reaches the allowed minimum value 7 About several special items TX group CH8 represents TX Low Voltage Threshold which is related to AD sampling Press the SK1 or SK2 key after entering ...

Page 9: ...ses through the low pass filter circuit and directly goes to VCO for frequency modulation The modulated HF carrier signal passes through the buffer amplifiers Q104 and Q406 and goes to the amplifier Q401 through the RF switch D404 Then the amplified RF signal enters the low pass filter circuit after it is further amplified by the pre driver Q402 and final stage power amplifier Q403 and then it wil...

Page 10: ...ers PLL circuit The 5V voltage will be converted via LDO U606 to 4 5V including two channels VT and V SAVE V SAVE powers VCO circuit and VT powers TX circuit Finally V SAVE controlled by Q604 and Q305 outputs VR which supplies RX circuit 2 Realization Methods of Basic Functional Modules 2 1 PLL Frequency Synthesizer The PLL circuit mainly provides the first local oscillator signal for RX and RF ca...

Page 11: ... amplifier Q401 the pre driver Q402 and the final stage amplifier Q403 orderly Finally it goes to the LC low pass filter LPF and is transmitted from the antenna after high order harmonics are removed by LPF APC circuit is composed of Q404 Q405 and U401 U401 controls the bias voltage at the gates of Q402 and Q403 to control TX current and to further regulate power 2 3 RX LNA and Mixer Circuit RX Se...

Page 12: ...g U611 and CD501 to generate audio signals which are delivered to IC Q613 for amplification and output in two channels After simple filtering one channel of signals is sent to MCU U601 for CTCSS CDCSS decoding for the other channel it goes through two stages of low pass filter first and then it goes to high pass filter U610 consisting of four operational amplifiers for audio processing Finally the...

Page 13: ...ital signal by analog to digital conversion ADC Afterwards the converted signal will go through a series of processing including low pass filtering AGC companding high pass filtering encrypting and pre emphasizing and then it will be output as baseband signal after digital to analog conversion DAC The baseband signal is processed by the active low pass filter and then sent to VCO for modulation fo...

Page 14: ...y voltage is converted to 5V via DC DC module U604 and further converted via LDO U602 to 3V including two channels VCC and VDD VCC powers CPU and VDD powers PLL circuit The 5V voltage will be converted via LDO U606 to 4 5V including two channels VT and V SAVE V SAVE powers VCO circuit and VT powers TX circuit Finally V SAVE controlled by Q604 and Q305 outputs VR which supplies RX circuit ...

Page 15: ...O For RX power control valid at high level 16 Vssd GND S Power ground for digital circuit 17 Vddd VCC 3 0V S Power supply for digital circuit 18 P50 INT0 Reserve O Reserved 19 P51 INT1 Reserve O Reserved 20 P52 INT2 Reserve O Reserved 21 P53 INT3 SK2 I Programmable SK2 pin valid at low level connected with pull up resistor 22 P54 INT4 SK1 I Programmable SK1 pin valid at low level connected with pu...

Page 16: ... SQL AD For detecting noise 40 P70 AD0 BAT_DET AD For detecting battery strength 41 XTAL0 OSC0 For connecting 32 678KHz main crystal oscillator 42 XTAL1 OSC1 43 PLL_CAP PLL_CAP For connecting PLL external capacitor 10nF 44 NC 45 NC 46 NC 47 NC 48 NC 49 P03 COM3 VOICE_DATA O Voice IC data pin 50 P02 COM2 VOICE_BUSY I Voice IC feedback pin 51 P01 COM1 VOICE_CLK O Voice IC clock pin 52 P00 COM0 VOICE...

Page 17: ...erve O Reserved 77 P33 SEG19 Reserve O Reserved 78 P34 SEG20 Reserve O Reserved 79 P35 SEG21 Reserve O Reserved 80 P36 SEG22 Reserve O Reserved 81 P37 SEG23 Reserve O Reserved 82 P40 SEG24 Reserve O Reserved 83 P41 SEG25 SCL O EEPROM clock pin connected with pull up resistor 84 P42 SEG26 SDA O EEPROM data pin connected with pull up resistor 85 P43 SEG27 W N O Wide narrow band control pin H wide L ...

Page 18: ...Reset input pin 94 Vssa GND S Power ground for analog circuit 95 Vdda VCC 3 0V S Power supply for analog circuit 96 BG_REF O Reference voltage output pin 97 MIC_IN MIC_IN I Microphone input pin 98 DEMODE DEMODE I Baseband signal input pin audio and CTCSS 99 MODOUT MODOUT O Baseband signal output pin audio and CTCSS 100 NC ...

Page 19: ...1051010000 Chip resistor 100Ω J 1 16W RoHS 1 R531 T3I 19 3001051010000 Chip resistor 100Ω J 1 16W RoHS 1 R604 B4I 20 3001051010000 Chip resistor 100Ω J 1 16W RoHS 1 R605 B4A 21 3001051010000 Chip resistor 100Ω J 1 16W RoHS 1 R614 B1C 22 3001051010000 Chip resistor 100Ω J 1 16W RoHS 1 R623 B2I 23 3001051020000 Chip resistor 1KΩ F 1 16W RoHS 1 R109 T4H 24 3001051020000 Chip resistor 1KΩ F 1 16W RoHS...

Page 20: ... resistor 100KΩ F 1 16W RoHS 1 R213 B2H 60 3001051040000 Chip resistor 100KΩ F 1 16W RoHS 1 R513 T3E 61 3001051040000 Chip resistor 100KΩ F 1 16W RoHS 1 R517 T2F 62 3001051040000 Chip resistor 100KΩ F 1 16W RoHS 1 R518 T2F 63 3001051040000 Chip resistor 100KΩ F 1 16W RoHS 1 R521 T2E 64 3001051040000 Chip resistor 100KΩ F 1 16W RoHS 1 R522 T3E 65 3001051040000 Chip resistor 100KΩ F 1 16W RoHS 1 R52...

Page 21: ...stor 2 7KΩ F 1 16W RoHS 1 R502 T3I 103 3001052720010 Chip resistor 2 7KΩ F 1 16W RoHS 1 R504 T3I 104 3001053320000 Chip resistor 3 3KΩ J 1 16W RoHS 1 R110 T4H 105 3001053320000 Chip resistor 3 3KΩ J 1 16W RoHS 1 R203 B2H 106 3001053320000 Chip resistor 3 3KΩ J 1 16W RoHS 1 R204 B2H 107 3001053320000 Chip resistor 3 3KΩ J 1 16W RoHS 1 R431 T3G 108 3001053320000 Chip resistor 3 3KΩ J 1 16W RoHS 1 R5...

Page 22: ... resistor 4 7Ω J 1 16W RoHS 1 R318 B2D 146 3001055610000 Chip resistor 560Ω J 1 16W RoHS 1 R118 T4H 147 3001055630000 Chip resistor 56KΩ J 1 16W RoHS 1 R411 T5E 148 3001055630000 Chip resistor 56KΩ J 1 16W RoHS 1 R615 T1D 149 3001056810000 Chip resistor 680Ω J 1 16W RoHS 1 R646 B1G 150 3001056830000 Chip resistor 68KΩ J 1 16W RoHS 1 R102 T5I 151 3001056830000 Chip resistor 68KΩ J 1 16W RoHS 1 R124...

Page 23: ...capacitor 7PF B 50V RoHS 1 C503 T4D 189 3101050700010 Chip capacitor 7PF B 50V RoHS 1 C504 T4D 190 3101050700010 Chip capacitor 7PF B 50V RoHS 1 C511 T3D 191 3101050700010 Chip capacitor 7PF B 50V RoHS 1 C574 T3F 192 3101051000020 Chip capacitor 10PF J 50V RoHS 1 C103 T4I 193 3101051000020 Chip capacitor 10PF J 50V RoHS 1 C104 T4I 194 3101051000020 Chip capacitor 10PF J 50V RoHS 1 C117 T4I 195 310...

Page 24: ... capacitor 1000PF K 50V RoHS 1 C412 T5E 232 3101051020010 Chip capacitor 1000PF K 50V RoHS 1 C413 T4E 233 3101051020010 Chip capacitor 1000PF K 50V RoHS 1 C417 T5E 234 3101051020010 Chip capacitor 1000PF K 50V RoHS 1 C462 B3E 235 3101051020010 Chip capacitor 1000PF K 50V RoHS 1 C505 T3E 236 3101051020010 Chip capacitor 1000PF K 50V RoHS 1 C543 T3I 237 3101051020010 Chip capacitor 1000PF K 50V RoHS...

Page 25: ...1040060 Chip capacitor 0 1UF K 16V RoHS 1 C217 B1F 275 3101051040060 Chip capacitor 0 1UF K 16V RoHS 1 C220 B2H 276 3101051040060 Chip capacitor 0 1UF K 16V RoHS 1 C326 B2D 277 3101051040060 Chip capacitor 0 1UF K 16V RoHS 1 C327 B3D 278 3101051040060 Chip capacitor 0 1UF K 16V RoHS 1 C334 B1A 279 3101051040060 Chip capacitor 0 1UF K 16V RoHS 1 C422 B4E 280 3101051040060 Chip capacitor 0 1UF K 16V...

Page 26: ...ip capacitor 0 22UF Z 10V RoHS 1 c333 T1I 318 3101053690000 Chip capacitor 3 6PF B 50V RoHS 1 C507 T3D 319 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C119 T3H 320 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C142 T5G 321 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C147 T4G 322 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C152 T3H 323 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C...

Page 27: ...010 Chip capacitor 470PF K 50V RoHS 1 C656 T2B 361 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C661 B1G 362 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C662 B1G 363 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C664 B1G 364 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C669 B1H 365 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C673 B4A 366 3101054710010 Chip capacitor 470PF K 50V RoH...

Page 28: ...2ohm RoHS 1 L111 T3G 405 3210305220000 Multi layer chip inductor 22nH J 300mA 0 42ohm RoHS 1 L114 T3H 406 3210305220000 Multi layer chip inductor 22nH J 300mA 0 42ohm RoHS 1 L404 T3G 407 3210305220000 Multi layer chip inductor 22nH J 300mA 0 42ohm RoHS 1 L418 T4F 408 3210305220000 Multi layer chip inductor 22nH J 300mA 0 42ohm RoHS 1 L505 T3E 409 3210305220000 Multi layer chip inductor 22nH J 300m...

Page 29: ...100mA 1V RoHS 1 D405 T3F 447 3303990000060 Switching diode 35V 100mA 1V RoHS 1 D502 T4C 448 3303990000060 Switching diode 35V 100mA 1V RoHS 1 D503 T4C 449 3303030300000 Schottky barrier diode 40V 30mA 0 26V 1mA RoHS 1 D616 B1H 450 3303060300010 Switching diode 60V 100mA 0 8V 10mA RoHS 1 D105 T4G 451 3304040200000 Varactor VR 30V 19 7pF 1VR 2 1pF 28VR RoHS 1 D103 T5G 452 3304060300050 Varactor VR 1...

Page 30: ...701038450000 Crystal oscillator 38 4MHz 3ppm 2 8V RoHS 1 XT101 T5I 490 3701327610060 Crystal 32 768KHz 20ppm 12 5pF RoHS 1 X601 B5I 491 3001051520000 Chip resistor 1 5KΩ J 1 16W RoHS 1 R440 T4F 492 3001051520000 Chip resistor 1 5KΩ J 1 16W RoHS 1 R515 T2E 493 3001052730000 Chip resistor 27KΩ J 1 16W RoHS 1 R412 T5E 494 3001052730000 Chip resistor 27KΩ J 1 16W RoHS 1 R539 T4I 495 3001053920000 Chip...

Page 31: ...p capacitor 3PF B 50V RoHS 1 C515 T2E 533 3101052210010 Chip capacitor 220PF K 50V RoHS 1 C522 T3H 534 3101052700000 Chip capacitor 27PF J 50V RoHS 1 C106 T4G 535 3101052700000 Chip capacitor 27PF J 50V RoHS 1 C107 T4G 536 3101055610000 Chip capacitor 560PF K 50V RoHS 1 C571 T3I 537 3101055620010 Chip capacitor 5600PF K 25V RoHS 1 C554 T3I 538 3101055620010 Chip capacitor 5600PF K 25V RoHS 1 C567 ...

Page 32: ...resistor 10Ω F 1 16W RoHS 1 R315 B1A 10 3001051000020 Chip resistor 10Ω F 1 16W RoHS 1 R323 B1F 11 3001051000020 Chip resistor 10Ω F 1 16W RoHS 1 R408 T5F 12 3001051000020 Chip resistor 10Ω F 1 16W RoHS 1 R530 T2J 13 3001051000020 Chip resistor 10Ω F 1 16W RoHS 1 R531 T3I 14 3001051000020 Chip resistor 10Ω F 1 16W RoHS 1 R534 T3J 15 3001051010000 Chip resistor 100Ω J 1 16W RoHS 1 R101 T5I 16 30010...

Page 33: ...3 T3F 51 3001051030000 Chip resistor 10KΩ J 1 16W RoHS 1 R428 B4E 52 3001051030000 Chip resistor 10KΩ J 1 16W RoHS 1 R430 T3G 53 3001051030000 Chip resistor 10KΩ J 1 16W RoHS 1 R433 T3F 54 3001051030000 Chip resistor 10KΩ J 1 16W RoHS 1 R616 B2I 55 3001051030000 Chip resistor 10KΩ J 1 16W RoHS 1 R617 B2I 56 3001051040000 Chip resistor 100KΩ F 1 16W RoHS 1 R113 T5F 57 3001051040000 Chip resistor 10...

Page 34: ...215 B2H 93 3001052230000 Chip resistor 22KΩ F 1 16W RoHS 1 R560 T3I 94 3001052240000 Chip resistor 220KΩ J 1 16W RoHS 1 R509 T3H 95 3001052240000 Chip resistor 220KΩ J 1 16W RoHS 1 R562 T2I 96 3001052240000 Chip resistor 220KΩ J 1 16W RoHS 1 R602 B5I 97 3001052240000 Chip resistor 220KΩ J 1 16W RoHS 1 R649 B1H 98 3001052710000 Chip resistor 270Ω F 1 16W RoHS 1 R537 T2G 99 3001053310000 Chip resist...

Page 35: ...oHS 1 R611 B3J 135 3001054730010 Chip resistor 47KΩ F 1 16W RoHS 1 R612 B3J 136 3001054730010 Chip resistor 47KΩ F 1 16W RoHS 1 R613 T2D 137 3001054730010 Chip resistor 47KΩ F 1 16W RoHS 1 R620 B3J 138 3001054730010 Chip resistor 47KΩ F 1 16W RoHS 1 R624 B2I 139 3001054740000 Chip resistor 470KΩ J 1 16W RoHS 1 R548 T4J 140 3001054740000 Chip resistor 470KΩ J 1 16W RoHS 1 R549 T4J 141 3001054790000...

Page 36: ... 177 3101050590020 Chip capacitor 0 5PF B 50V C0G RoHS 1 C109 T4G 178 3101050590020 Chip capacitor 0 5PF B 50V C0G RoHS 1 C144 T4G 179 3101050600010 Chip capacitor 6PF B 50V COG RoHS 1 C401 T3F 180 3101050600010 Chip capacitor 6PF B 50V COG RoHS 1 C404 T4F 181 3101050600010 Chip capacitor 6PF B 50V COG RoHS 1 C409 T5E 182 3101050600010 Chip capacitor 6PF B 50V COG RoHS 1 C453 T3G 183 3101050600010...

Page 37: ...3101051020010 Chip capacitor 1000PF K 50V X7R RoHS 1 C126 T5I 220 3101051020010 Chip capacitor 1000PF K 50V X7R RoHS 1 C133 T4H 221 3101051020010 Chip capacitor 1000PF K 50V X7R RoHS 1 C139 T3F 222 3101051020010 Chip capacitor 1000PF K 50V X7R RoHS 1 C141 T3G 223 3101051020010 Chip capacitor 1000PF K 50V X7R RoHS 1 C145 T5F 224 3101051020010 Chip capacitor 1000PF K 50V X7R RoHS 1 C154 T4I 225 3101...

Page 38: ... 1 C612 B2J 261 3101051030020 Chip capacitor 0 01UF K 25V X7R RoHS 1 C617 B3J 262 3101051030020 Chip capacitor 0 01UF K 25V X7R RoHS 1 C635 B4H 263 3101051030020 Chip capacitor 0 01UF K 25V X7R RoHS 1 C637 B4I 264 3101051030020 Chip capacitor 0 01UF K 25V X7R RoHS 1 C648 T1D 265 3101051030020 Chip capacitor 0 01UF K 25V X7R RoHS 1 C649 B3J 266 3101051030020 Chip capacitor 0 01UF K 25V X7R RoHS 1 C...

Page 39: ...303 3101051500020 Chip capacitor 15PF J 50V COG RoHS 1 C538 T3I 304 3101051500020 Chip capacitor 15PF J 50V COG RoHS 1 C638 B5I 305 3101051500020 Chip capacitor 15PF J 50V COG RoHS 1 C639 B4I 306 3101051590000 Chip capacitor 1 5PF B 50V 402 RoHS 1 C558 T2F 307 3101052200010 Chip capacitor 22PF J 50V C0G RoHS 1 C513 T3E 308 3101052200010 Chip capacitor 22PF J 50V C0G RoHS 1 C526 T2I 309 31010522000...

Page 40: ...T4I 345 3101054710010 Chip capacitor 470PF K 50V X7R RoHS 1 C578 T1G 346 3101054710010 Chip capacitor 470PF K 50V X7R RoHS 1 C582 T2G 347 3101054710010 Chip capacitor 470PF K 50V X7R RoHS 1 C593 T3I 348 3101054710010 Chip capacitor 470PF K 50V X7R RoHS 1 C607 T2D 349 3101054710010 Chip capacitor 470PF K 50V X7R RoHS 1 C622 B2I 350 3101054710010 Chip capacitor 470PF K 50V X7R RoHS 1 C623 B4J 351 31...

Page 41: ... 388 3101051050160 Chip capacitor 1uF K 10V X5R RoHS 1 C555 T3I 389 3101062250000 Chip capacitor 2 2UF K 10V X5R RoHS 1 C604 T2D 390 3101062250000 Chip capacitor 2 2UF K 10V X5R RoHS 1 C614 T2E 391 3101062250000 Chip capacitor 2 2UF K 10V X5R RoHS 1 C615 T2D 392 3101064790010 Chip capacitor 4 7PF B 50V COG RoHS 1 C421 T5C 393 3101082260020 Chip capacitor 22UF M 10V X5R RoHS 1 C329 B3D 394 31029920...

Page 42: ... RoHS 1 L523 T1G 428 3221506601000 Bead 600Ω 100MHz 25 500mA RoHS 1 L527 T3F 429 3221506601000 Bead 600Ω 100MHz 25 500mA RoHS 1 L602 T3H 430 3221506601000 Bead 600Ω 100MHz 25 500mA RoHS 1 L606 B2I 431 3221506601000 Bead 600Ω 100MHz 25 500mA RoHS 1 L607 T2D 432 3221507221000 Bead 220Ω 100MHz 25 2000mA RoHS 1 L407 B4E 433 3221507221000 Bead 220Ω 100MHz 25 2000mA RoHS 1 L608 T2A 434 3221507600000 Bea...

Page 43: ...010 NPN transistor 10V 50mA 150 RoHS 1 Q501 T3E 472 3499000000140 N JFET VGS 15V VGSoff 1 4V IDSS 50mA RoHS 1 Q102 T4G 473 3499000000180 PNP transistor 12V 2 5A 180 270 RoHS 1 Q303 B3D 474 3501020000030 N MOSFET VDS 6V ID 20mA VGS th 0 7V RoHS 1 Q502 T2G 475 3503010000010 P MOSFET VDS 30V ID 100mA VGS th 1 9V RoHS 1 Q604 T2D 476 3503020000030 N MOSFET VDS 30V ID 100mA VGS th 3 0V RoHS 1 Q202 B1F 4...

Page 44: ... C545 T2F 514 3101051200020 Chip capacitor 12PF J 50V COG RoHS 1 C575 T2G 515 3104071060080 Tantalum capacitor 10UF M 6 3V RoHS 1 C132 B5I 516 3104072250060 Tantalum capacitor 2 2UF M 10V RoHS 1 C518 T2J 517 3210108230010 Wire wound inductor 23nH J 590mA 0 046ohm 1206 RoHS 1 L104 T2G 518 3210305150010 Multi layer chip inductor 15nH J 300mA 0 32ohm 402 RoHS 1 R441 T5E 519 3001061050010 Chip resisto...

Page 45: ... B 50V COG RoHS 1 C112 T4G 554 3101063690000 Chip capacitor 3 6PF B 50V COG RoHS 1 C148 T4G 555 3231321460000 Air core inductor 0 32 1 4 6TL RoHS 1 L515 T2F 556 3231321460000 Air core inductor 0 32 1 4 6TL RoHS 1 L518 T2E 557 3231321460000 Air core inductor 0 32 1 4 6TL RoHS 1 L519 T3E 558 3231321460000 Air core inductor 0 32 1 4 6TL RoHS 1 L520 T4D 559 3001052720010 Chip resistor 2 7KΩ F 1 16W Ro...

Page 46: ...0000 Chip resistor 100Ω J 1 16W RoHS 1 R604 B4I 20 3001051010000 Chip resistor 100Ω J 1 16W RoHS 1 R605 B4A 21 3001051010000 Chip resistor 100Ω J 1 16W RoHS 1 R614 B1C 22 3001051010000 Chip resistor 100Ω J 1 16W RoHS 1 R623 B2I 23 3001051020000 Chip resistor 1KΩ F 1 16W RoHS 1 R109 T4H 24 3001051020000 Chip resistor 1KΩ F 1 16W RoHS 1 R114 T4G 25 3001051020000 Chip resistor 1KΩ F 1 16W RoHS 1 R121...

Page 47: ...0 Chip resistor 100KΩ F 1 16W RoHS 1 R521 T2E 62 3001051040000 Chip resistor 100KΩ F 1 16W RoHS 1 R522 T3E 63 3001051040000 Chip resistor 100KΩ F 1 16W RoHS 1 R526 T2E 64 3001051040000 Chip resistor 100KΩ F 1 16W RoHS 1 R603 B5I 65 3001051050000 Chip resistor 1MΩ F 1 16W RoHS 1 R218 B1F 66 3001051050000 Chip resistor 1MΩ F 1 16W RoHS 1 R405 B4E 67 3001051050000 Chip resistor 1MΩ F 1 16W RoHS 1 R43...

Page 48: ...istor 3 3KΩ J 1 16W RoHS 1 R538 T3I 105 3001053320000 Chip resistor 3 3KΩ J 1 16W RoHS 1 R561 T3I 106 3001053330010 Chip resistor 33KΩ J 1 16W RoHS 1 R125 T5I 107 3001053330010 Chip resistor 33KΩ J 1 16W RoHS 1 R416 T5E 108 3001053330010 Chip resistor 33KΩ J 1 16W RoHS 1 R542 T4J 109 3001053330010 Chip resistor 33KΩ J 1 16W RoHS 1 R559 T3I 110 3001053330010 Chip resistor 33KΩ J 1 16W RoHS 1 R563 T...

Page 49: ...stor 8 2KΩ J 1 16W RoHS 1 R407 B4E 148 3001058220000 Chip resistor 8 2KΩ J 1 16W RoHS 1 R514 T3E 149 3001058220000 Chip resistor 8 2KΩ J 1 16W RoHS 1 R607 B5I 150 3001058230000 Chip resistor 82KΩ J 1 16W RoHS 1 R524 T3J 151 3001060000000 Chip resistor 0Ω J 1 10W RoHS 1 L403 T5E 152 3001060000000 Chip resistor 0Ω J 1 10W RoHS 1 R555 T3I 153 3001062710000 Chip resistor 270Ω J 1 10W RoHS 1 R418 B4B 1...

Page 50: ...0V C0G RoHS 1 C117 T4I 191 3101051000020 Chip capacitor 10PF J 50V C0G RoHS 1 C129 T3H 192 3101051000020 Chip capacitor 10PF J 50V C0G RoHS 1 C136 T3H 193 3101051000020 Chip capacitor 10PF J 50V C0G RoHS 1 C153 T3G 194 3101051000020 Chip capacitor 10PF J 50V C0G RoHS 1 C439 T3G 195 3101051000020 Chip capacitor 10PF J 50V C0G RoHS 1 C523 T2E 196 3101051010030 Chip capacitor 100PF J 50V C0G RoHS 1 C...

Page 51: ...or 1000PF K 50V X7R RoHS 1 C564 T2E 234 3101051020010 Chip capacitor 1000PF K 50V X7R RoHS 1 C605 B5I 235 3101051020010 Chip capacitor 1000PF K 50V X7R RoHS 1 C613 B2I 236 3101051020010 Chip capacitor 1000PF K 50V X7R RoHS 1 C616 B3J 237 3101051020010 Chip capacitor 1000PF K 50V X7R RoHS 1 C640 T2A 238 3101051030020 Chip capacitor 0 01UF K 25V X7R RoHS 1 C138 T3F 239 3101051030020 Chip capacitor 0...

Page 52: ...hip capacitor 0 1UF K 16V X7R RoHS 1 C463 B3E 277 3101051040060 Chip capacitor 0 1UF K 16V X7R RoHS 1 C464 B3F 278 3101051040060 Chip capacitor 0 1UF K 16V X7R RoHS 1 C514 T3E 279 3101051040060 Chip capacitor 0 1UF K 16V X7R RoHS 1 C520 T2H 280 3101051040060 Chip capacitor 0 1UF K 16V X7R RoHS 1 C521 T3F 281 3101051040060 Chip capacitor 0 1UF K 16V X7R RoHS 1 C547 B2J 282 3101051040060 Chip capaci...

Page 53: ...acitor 470PF K 50V X7R RoHS 1 C209 B2H 320 3101054710010 Chip capacitor 470PF K 50V X7R RoHS 1 C330 B3E 321 3101054710010 Chip capacitor 470PF K 50V X7R RoHS 1 C332 B2D 322 3101054710010 Chip capacitor 470PF K 50V X7R RoHS 1 C403 B3E 323 3101054710010 Chip capacitor 470PF K 50V X7R RoHS 1 C406 T5F 324 3101054710010 Chip capacitor 470PF K 50V X7R RoHS 1 C407 T3F 325 3101054710010 Chip capacitor 470...

Page 54: ...p capacitor 470PF K 50V X7R RoHS 1 C674 B4A 363 3101054720000 Chip capacitor 4700PF K 50V X7R RoHS 1 C204 B2H 364 3101054720000 Chip capacitor 4700PF K 50V X7R RoHS 1 C205 B2H 365 3101054720000 Chip capacitor 4700PF K 50V X7R RoHS 1 C647 B2H 366 3101054720000 Chip capacitor 4700PF K 50V X7R RoHS 1 C675 B1E 367 3101054740020 Chip capacitor 0 47uF K 10V X5R RoHS 1 C537 T4J 368 3101054740020 Chip cap...

Page 55: ...F 405 3210305270000 Multi layer chip inductor 27nH J 300mA 0 46ohm 402 RoHS 1 L507 T3F 406 3210305270000 Multi layer chip inductor 27nH J 300mA 0 46ohm 402 RoHS 1 L510 T2F 407 3212106221000 Multi layer chip inductor 220nH J 300mA 0 4ohm 603 RoHS 1 L108 T4G 408 3210306561010 Multi layer chip inductor 560nH K 35mA 1 55ohm 603 RoHS 1 L511 T1G 409 3210306561010 Multi layer chip inductor 560nH K 35mA 1...

Page 56: ... 9 3 21pF 2 2 RoHS 1 D510 T1F 449 3304180000000 Varactor 15V 9 3 21pF 2 2 RoHS 1 D513 T2E 450 3304180000000 Varactor 15V 9 3 21pF 2 2 RoHS 1 D514 T3E 451 3304180000000 Varactor 15V 9 3 21pF 2 2 RoHS 1 D515 T3D 452 3305180300000 Variable resistance diode 100mA max 1Ω RoHS 1 D401 T4C 453 3307110100060 LED 200mcd 30mA 1 9V RoHS 1 D602 B4A 454 3399990000260 Rectifier diode 10V 15mA 380mV 1mA RoHS 1 D5...

Page 57: ... 1 R546 T3J 491 3001055620000 Chip resistor 5 6KΩ J 1 16W RoHS 1 R540 T4I 492 3001056840000 Chip resistor 680KΩ J 1 16W RoHS 1 R541 T4J 493 3001057540000 Chip resistor 750KΩ J 1 16W RoHS 1 R547 T4J 494 3101051520000 Chip capacitor 1500PF K 50V X7R RoHS 1 C569 T3I 495 3603018000000 IF processor 10 150MHZ 1 8 5 5V RoHS 1 U611 T2J 496 3604007000000 PLL IC 1 2GHZ BCC 16 RoHS 1 U102 T4H 497 36050020570...

Page 58: ... layer chip inductor 82nH J 300mA 0 85ohm 603 RoHS 1 L506 T3E 535 3399990000080 Zener diode 6 8V SOD 523 Rohm RoHS 1 D303 B1A 536 3399990000080 Zener diode 6 8V SOD 523 Rohm RoHS 1 D609 B2I 537 3801045030240 Ceramic filter 450KHz 6KHz 6 0dB RoHS 1 CF501 T1I 538 3001054320000 Chip resistor 4 3KΩ J 1 16W RoHS 1 R643 B1H 539 3499000000150 Composite transistor 50V 50V 100mA 100mA HFE 68 68 RoHS 1 Q555...

Page 59: ... 4400100008000 SMA RF connector 50Ω female RoHS 1 W401 T5A VHF 146 174MHz No Part No Description Qty Ref No Print No 1 3001050000000 Chip resistor 0Ω J 1 16W RoHS 1 C129 T3G 2 3001050000000 Chip resistor 0Ω J 1 16W RoHS 1 C410 T3F 3 3001050000000 Chip resistor 0Ω J 1 16W RoHS 1 C536 T2F 4 3001050000000 Chip resistor 0Ω J 1 16W RoHS 1 C603 T3E 5 3001050000000 Chip resistor 0Ω J 1 16W RoHS 1 R103 T5...

Page 60: ... R644 T2I 42 3001051020000 Chip resistor 1KΩ F 1 16W RoHS 1 R683 T1D 43 3001051020000 Chip resistor 1KΩ F 1 16W RoHS 1 R684 T5F 44 3001051020000 Chip resistor 1KΩ F 1 16W RoHS 1 R690 B4J 45 3001051020000 Chip resistor 1KΩ F 1 16W RoHS 1 R691 B4J 46 3001051020000 Chip resistor 1KΩ F 1 16W RoHS 1 R692 B3J 47 3001051020000 Chip resistor 1KΩ F 1 16W RoHS 1 R693 B3J 48 3001051030010 Chip resistor 10KΩ ...

Page 61: ...29 T3G 84 3001051540000 Chip resistor 150KΩ F 1 16W RoHS 1 R523 T1F 85 3001051540000 Chip resistor 150KΩ F 1 16W RoHS 1 R528 T2G 86 3001051540000 Chip resistor 150KΩ F 1 16W RoHS 1 R545 T3J 87 3001051540000 Chip resistor 150KΩ F 1 16W RoHS 1 R558 T3I 88 3001051540000 Chip resistor 150KΩ F 1 16W RoHS 1 R651 B1F 89 3001052210010 Chip resistor 220Ω F 1 16W RoHS 1 R201 B1F 90 3001052210010 Chip resist...

Page 62: ...S 1 R625 B4A 126 3001054720000 Chip resistor 4 7KΩ J 1 16W RoHS 1 R112 T3F 127 3001054720000 Chip resistor 4 7KΩ J 1 16W RoHS 1 R311 B2D 128 3001054720000 Chip resistor 4 7KΩ J 1 16W RoHS 1 R434 T3F 129 3001054720000 Chip resistor 4 7KΩ J 1 16W RoHS 1 R436 B3E 130 3001054720000 Chip resistor 4 7KΩ J 1 16W RoHS 1 R437 B3F 131 3001054720000 Chip resistor 4 7KΩ J 1 16W RoHS 1 R608 B2J 132 30010547200...

Page 63: ...RoHS 1 R423 B4F 168 3001061540010 Chip resistor 150KΩ D 1 10W RoHS 1 R424 B4F 169 3001061540010 Chip resistor 150KΩ D 1 10W RoHS 1 R425 B4F 170 3001061540010 Chip resistor 150KΩ D 1 10W RoHS 1 R426 B4F 171 3001061540010 Chip resistor 150KΩ D 1 10W RoHS 1 R427 B4F 172 3001062710000 Chip resistor 270Ω J 1 10W RoHS 1 R418 B3B 173 3001062710000 Chip resistor 270Ω J 1 10W RoHS 1 R444 B3B 174 3001070000...

Page 64: ...10 3101051010030 Chip capacitor 100PF J 50V RoHS 1 C563 T2E 211 3101051010030 Chip capacitor 100PF J 50V RoHS 1 C571 T3I 212 3101051010030 Chip capacitor 100PF J 50V RoHS 1 C574 T3F 213 3101051010030 Chip capacitor 100PF J 50V RoHS 1 C629 B2H 214 3101051020010 Chip capacitor 1000PF K 50V RoHS 1 C102 T4I 215 3101051020010 Chip capacitor 1000PF K 50V RoHS 1 C113 T4H 216 3101051020010 Chip capacitor ...

Page 65: ...1 C138 T3F 252 3101051030020 Chip capacitor 0 01UF K 25V RoHS 1 C150 T4F 253 3101051030020 Chip capacitor 0 01UF K 25V RoHS 1 C160 T3G 254 3101051030020 Chip capacitor 0 01UF K 25V RoHS 1 C217 B1F 255 3101051030020 Chip capacitor 0 01UF K 25V RoHS 1 C220 B1H 256 3101051030020 Chip capacitor 0 01UF K 25V RoHS 1 C322 B2D 257 3101051030020 Chip capacitor 0 01UF K 25V RoHS 1 C326 B2D 258 3101051030020...

Page 66: ...1UF K 25V RoHS 1 C617 B3J 294 3101051030020 Chip capacitor 0 01UF K 25V RoHS 1 C635 B4H 295 3101051030020 Chip capacitor 0 01UF K 25V RoHS 1 C637 B4I 296 3101051030020 Chip capacitor 0 01UF K 25V RoHS 1 C643 T2A 297 3101051030020 Chip capacitor 0 01UF K 25V RoHS 1 C648 T1D 298 3101051030020 Chip capacitor 0 01UF K 25V RoHS 1 C649 B3J 299 3101051030020 Chip capacitor 0 01UF K 25V RoHS 1 C663 T2E 30...

Page 67: ...08 B2H 336 3101052230000 Chip capacitor 0 022UF K 16V RoHS 1 C333 B1I 337 3101052230000 Chip capacitor 0 022UF K 16V RoHS 1 C597 T2I 338 3101052230000 Chip capacitor 0 022UF K 16V RoHS 1 C642 B5I 339 3101053300000 Chip capacitor 33PF J 50V RoHS 1 C134 T5G 340 3101053300000 Chip capacitor 33PF J 50V RoHS 1 C143 T4I 341 3101053300000 Chip capacitor 33PF J 50V RoHS 1 C504 T3D 342 3101053300000 Chip c...

Page 68: ...oHS 1 C593 T3I 378 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C607 T2E 379 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C622 B2J 380 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C623 B4J 381 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C624 B4J 382 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C625 B3J 383 3101054710010 Chip capacitor 470PF K 50V RoHS 1 C626 B3J 384 3101054710010 C...

Page 69: ... T5H 421 3101071040000 Chip capacitor 0 1UF K 25V RoHS 1 C147 T5H 422 3101082260020 Chip capacitor 22UF M 10V RoHS 1 C329 B3D 423 3102992000040 Adjustable capacitor 10pF 2 5pF RoHS 1 TC101 T4G 424 3102992000040 Adjustable capacitor 10pF 2 5pF RoHS 1 TC102 T4G 425 3104071060080 Tantalum capacitor10UF M 6 3V RoHS 1 C132 B5I 426 3104072250060 Tantalum capacitor2 2UF M 10V RoHS 1 C518 T2J 427 31040747...

Page 70: ...000 Wire wound inductor 27nH J 400mA 0 30Ω RoHS 1 L507 T2E 461 3217112102020 Wire wound inductor 1uH J 370mA 1 75Ω RoHS 1 L524 T1G 462 3221506601000 Bead 600Ω 100MHz 25 500mA RoHS 1 L106 T4F 463 3221506601000 Bead 600Ω 100MHz 25 500mA RoHS 1 L107 T4I 464 3221506601000 Bead 600Ω 100MHz 25 500mA RoHS 1 L109 T4I 465 3221506601000 Bead 600Ω 100MHz 25 500mA RoHS 1 L111 T4H 466 3221506601000 Bead 600Ω 1...

Page 71: ...0100180 Varactor 10V 10 45PF 4 3 RoHS 1 D515 T3E 505 3305180300000 Variable resistance diode 100mA max 1Ω RoHS 1 D401 T4C 506 3307110100060 LED 200mcd 30mA 1 9V RoHS 1 D602 B4A 507 3307110100080 LED 15mcd 25mA 2 2V RoHS 1 D601 B4A 508 3399990000080 Zener diode 6 8V RoHS 1 D609 B2I 509 3399990000260 Rectifier diode 10V 15mA 380mV 1mA RoHS 1 D505 T3E 510 3401001000490 PNP transistor 50V 150mA RoHS 1...

Page 72: ... U601 B3I 545 3612031000510 Memory EEPROM 16KB 1 8 5 5V RoHS 1 U603 B2I 546 3701038450000 Crystal oscillator 38 4MHz 3ppm 2 8V RoHS 1 XT101 T5I 547 3701327610060 Crystal 32 768KHz 20ppm 12 5pF RoHS 1 X601 B5I 548 3801045030240 Ceramic filter 450KHz 6KHz 6 0dB RoHS 1 CF501 T1I 549 41005001021A0 Main PCB board RoHS 1 550 3001051010000 Chip resistor 100Ω J 1 16W RoHS 1 R412 T5E 551 3001051220000 Chip...

Page 73: ...W RoHS 1 R519 T3E 580 3001055630010 Chip resistor 56KΩ F 1 16W RoHS 1 R512 T3E 581 3101051810010 Chip capacitor 180p J 50V RoHS 1 C522 T3J 582 3101060700020 Chip capacitor 7PF B 50V RoHS 1 C110 T3G 583 3101060700020 Chip capacitor 7PF B 50V RoHS 1 C131 T3G 584 3210108390000 Wire wound inductor 39nH J 490mA 0 067ohm RoHS 1 L104 T3H 585 3001055130000 Chip resistor 51KΩ F 1 16W RoHS 1 R652 B1F 586 30...

Page 74: ...e radio for real time tuning in PC Programming Mode 2 Description of Tuning Items Channel No Tuning Item Tunable Frequency Wide Band Narrow Band Low Medium High Low Medium High 1 TX Low Power Y Y Y 2 TX High Power Y Y Y 3 CDCSS Balance Y Y Y Y Y Y 4 CDCSS Deviation Y Y Y Y Y Y 5 CTCSS Deviation 67Hz Y Y Y Y Y Y 6 CTCSS Deviation 151 4Hz Y Y Y Y Y Y 7 CTCSS Deviation 254 1Hz Y Y Y Y Y Y 8 TX Low Vo...

Page 75: ... 4V Set to CH1 and hold down PTT to transmit Check 0 5V RX VCO Lock Voltage Set to CH3 TC101 Check 3V 4V Set to CH1 Check 0 5V 2 Tuning in the mode Note Make sure that the antenna or load is connected before tuning rotate the Channel Selector knob to save the value Item Condition Measurement Tuning Specificati ons Remarks Test Instrument Test Point Part Method TX Power High Set to CH2 low frequenc...

Page 76: ...and low frequency are selected Press SK1 or SK2 to make tuning until the CDCSS deviation meets the requirements 500 900Hz Short press PTT to switch among different frequencies low medium and high Narrow Band Long press PTT to enter narrow band low frequency Press SK1 or SK2 to make tuning until the CDCSS deviation meets the requirements 300 500Hz Short press PTT to switch among different frequenci...

Page 77: ...mum Frequency Deviation Wide Band Set to CH9 At this time wide bandwidth and low frequency are selected Short press PTT to switch among different frequencies low medium and high Long press PTT to switch to narrow band Communicati on Test Set BPF 20Hz 15kHz AF 1kHz 120mV Antenna connector Accessor y Jack Apply SK1 or SK2 to ensure that the value meets the requirements After tuning is completed rota...

Page 78: ... 3 3KHz Sam as above Squelch level 5 121 1dBm Squelch Off Wide Band Set to CH11 and SQL Off 5 Press SK1 or SK2 to sample the current value At this time wide band and low frequency are selected Short press PTT to switch frequencies Communicati on test set SSG 126dBm MOD 1KHz DEV 3KHz Filter 0 3 3KHz Antenna connector Accessor y Jack Tune the output signals of SSG to the squelch level Rotate the Cha...

Page 79: ...imited SINAD 12dB Short press PTT to switch among different frequencies low medium and high Appendix 1 Reference Value for Source Radio Test Item Wide Band Narrow Band Freq 1 Freq 2 Freq 3 Freq 1 Freq 2 Freq 3 TX Low Power 38 40 39 TX High Power 83 81 83 CDCSS Balance Dependent on the waveform CDCSS Deviation 87 85 87 50 51 52 CTCSS Deviation 67Hz 119 120 119 75 72 71 CTCSS Deviation 151 4Hz 121 1...

Page 80: ...er supply LED of D604 glows red Check the TX power supply TX VCO locked Check the TX VCO Check the TX channel Replace D604 No sound LED fails to glow flash Check the antenna Check Q402 Q403 and Q404 Yes No Check the APC circuit Low TX power Check the voice channel MIC D102 Replace D604 Yes No No Yes ...

Page 81: ... MCU U601 outputs signals normally The modulation parts work normally IF mixer circuit works normally RF mixer circuit works normally Change the RX frequency Change the RX SQL level Replace the RX LED D601 Change the RX signaling Replace the speaker Check the audio amplifier circuit Replace the Volume Control knob Replace MCU Check and replace CD501 and CF501 Check U611 Q502 XF501 and XF502 Check ...

Page 82: ...works normally Yes No Yes No Clock crystal X601 of MCU works normally Normal VCC operating voltage of MCU Yes No Check U601 U602 U604 and U606 Replace X601 No Yes Other pins control normally MCU works normally Yes No Check pin connection or reprogram Replace the speaker ...

Page 83: ...selector knob and the volume control knob 3 Unscrew the two screws with a screwdriver at the bottom of the radio 4 Lift the chassis by 25 degrees and pull it backwards 5 Unsolder the speaker cable with an electric iron and remove the chassis 3 2 4 5 1 Figure 7 25 Figure 8 Disassembling the speaker 1 Unscrew the screw shown in Figure 9 and remove the speaker fixing sheet 2 Remove the speaker ...

Page 84: ...igure 9 Disassembling the PCB 1 Loosen the screw fixing the PCB and fixing the PTT keypad Then unsolder the antenna connector 2 Remove the main board from the chassis 8 6 7 天线端子焊锡位置 Figure 10 Screw Speaker fixing sheet Antenna connector ...

Page 85: ...rrounding the chassis is well fitted into the slot 5 Insert the antenna core into the sleeve and solder the speaker cable to the PCB 6 After the chassis and front case are fully assembled press the bottom of the chassis downwards and then secure them with the screw so as to fit the chassis into the radio case Note If the waterproof ring is not properly positioned after assembly use your fingers to...

Page 86: ...TC 508 Service Manual 84 Exploded View 17 16 18 19 20 22 21 23 31 32 33 34 37 35 36 24 25 28 30 27 26 29 13 14 1 2 3 4 5 6 7 8 9 10 11 12 15 ...

Page 87: ...0335000000 O_ring for antenna RoHS 1 18 6100370000000 Waterproof ring for switch RoHS 2 19 4304030000010 Rotary switch RoHS 1 20 4302020000140 Volume switch RoHS 1 21 6100314000000 Waterproof ring for battery connector RoHS 1 22 6000852000000 Bracket for accessory jack RoHS 1 23 16010415W0050 Antenna RoHS 1 24 6000845100010 Encoder knob RoHS 1 25 6000846100000 Volume control knob RoHS 1 26 6201739...

Page 88: ...TC 508 Service Manual 86 Packing Guide ...

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Page 93: ...AMP Q506 AF AMP U302 1 2 TX VCO Q102 Q104 POWER MATCH NETWORK VT ANT LPF 1 2 MIC B201 U601 MCU SRT3210 122dBm 121dBm 123dBm 107dBm 104dBm 104dBm 115dBm 100dBm 240mVrms 350mVrms 240mVrms AF LEVEL EXPLODED CIRCUIT AF_SW R327 130mVrms 2450mVrms POWER AMP Q403 RD07 POWER AMP Q402 RD01 POWER AMP Q401 2SC4226 LOCAL OSCILLATOR AMP Q406 2SC4226 6dBm 6dBm 24dBm 10mVrms 60mVrms 36dBm 0dBm 3dBm ...

Page 94: ...VCC VDD POWER AMP Q403 RD07 POWER AMP Q402 RD01 POWER AMP Q401 2SC4226 LOCAL OSCILLATOR AMP Q406 2SC4226 BUFFER AMP Q105 2SC4226 LOCAL OSCILLATOR AMP Q104 2SC5108 SW Q405 DTC114EE IF1 AMP Q506 R_LED T_LED LED D601 LED D602 VDD SPK MODE_OUT RXD TXD SP_JACK J3 PJ D3027D 1 2 MIC B201 QT_OUT MODE T R T R SW Q103 D105 QT_OUT HYT Science technology Co Ltd Model name Part Name File No Prepare Page Date C...

Page 95: ...0R R696 1k R696 1k R611 47k R611 47k R204 3 3k R204 3 3k C333 0 22U C333 0 22U R603 100k R603 100k C643 0 1u C643 0 1u L606 601s L606 601s R326 0R R326 0R C649 0 01u C649 0 01u C329 22U C329 22U C662 470p C662 470p TP110 SK1 TP110 SK1 1 C625 470p C625 470p R619 47 R619 47 R613 47K R613 47K R219 10k R219 10k C642 0 022u C642 0 022u R317 NC R317 NC Q604 2SJ243 Q604 2SJ243 2 3 1 R646 680 R646 680 R63...

Page 96: ... 0 22u R515 1 5k R515 1 5k C596 56p C596 56p C129 10p C129 10p L527 601s L527 601s C560 7P C560 7P C517 4P C517 4P C513 22p C513 22p C121 100p C121 100p C583 0 01U C583 0 01U C591 0 01U C591 0 01U C577 0 1u C577 0 1u C579 0 01u C579 0 01u C571 560p C571 560p C515 3P C515 3P C561 7P C561 7P L506 82nH L506 82nH L112 18nH L112 18nH C595 0 01u C595 0 01u C103 10p C103 10p L520 6T L520 6T C510 6P C510 ...

Page 97: ...D503 BA277 D503 BA277 1 2 C444 470p C444 470p R425 150k 1 R425 150k 1 C131 100p C131 100p D103 BB179 D103 BB179 2 1 R435 1M R435 1M C401 6p C401 6p C573 4P C573 4P R116 47k R116 47k R434 4 7K R434 4 7K C437 0 01u C437 0 01u Q410 NC Q410 NC 2 3 1 R106 47k R106 47k C404 6p C404 6p C416 100p C416 100p R109 1k R109 1k C438 13p C438 13p C423 NC C423 NC C429 1p C429 1p Q406 2SC4226 Q406 2SC4226 2 3 1 C5...

Page 98: ...TC75W51FU B A A OUT B OUT A A B B V V U203 TC75W51FU 1 2 3 4 5 6 7 8 D602 RED D602 RED 1 2 C321 1u C321 1u C330 470P C330 470P R311 4 7K R311 4 7K J3 PJ D3027D J3 PJ D3027D 1 5 2 4 3 R649 220k R649 220k C625 470p C625 470p R693 1k R693 1k C324 NC C324 NC C604 2 2uF C604 2 2uF R310 2 7K R310 2 7K C209 470p C209 470p C671 1u C671 1u C205 1000P C205 1000P C647 4700p C647 4700p C663 0 01u C663 0 01u C...

Page 99: ... GND 15 MIX IN 16 L506 330nH L506 330nH C579 0 01u C579 0 01u R507 2 2k R507 2 2k C588 0 68u C588 0 68u C154 1000P C154 1000P R533 0R R533 0R R505 560R R505 560R L523 601s L523 601s C533 12P C533 12P C556 NC C556 NC XF501 38 85MHz XF501 38 85MHz 2 1 3 Q502 3SK318 Q502 3SK318 3 2 4 1 C561 33P C561 33P C523 33P C523 33P R538 3 3k R538 3 3k L528 4T L528 4T C137 10P C137 10P C557 33P C557 33P R545 150...

Page 100: ... L424 6T L424 6T C441 0 1u C441 0 1u L102 3 3U L102 3 3U R425 150k 1 R425 150k 1 C444 470p C444 470p TP100 CV TP100 CV 1 C456 470p C456 470p D503 BA277 D503 BA277 1 2 R116 390R R116 390R C574 100P C574 100P L410 600sg L410 600sg R446 NC R446 NC L103 6 8U L103 6 8U C407 470p C407 470p C429 6P C429 6P C405 15p C405 15p L119 6 8U L119 6 8U C416 100p C416 100p C404 1000P C404 1000P R114 51 R114 51 Q41...

Page 101: ... Weight with standard antenna battery 280g Frequency Stability 2 5ppm Receiver Sensitivity 0 251uV 0 282uV Adjacent Channel Selectivity 65dB 55dB Intermodulation 60dB Spurious Response Rejection 65dB Rated Audio Power Output 0 5W Speaker impedance 16 ohm Rated Audio Distortion 5 0 5W Transmitter RF Power Output 4W 2W Spurious and Harmonics 26dBm Modulation Limiting 5KHz 25KHz 2 5KHz 12 5KHz FM Noi...

Page 102: ...8130050800100 ...

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