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                                          TC-500 Service Manual 

- 16 - 

 

 

No.

Ref. No.

Address

Material No.

Material Description

Remark

45

R51

B1F

3001061020010

Resistor 0603

 

1K

 

J

46

R52

T3F

3001061020010

Resistor 0603

 

1K

 

J

47

R53

B2D

3001061020010

Resistor 0603

 

1K

 

J

48

R54

T3G

3001064730000

Resistor 0603

 

47K

 

J

49

R55

T2E

3001061520000

Resistor 0603

 

1.5K

 

J

50

R56

B2B

3001061020010

Resistor 0603

 

1K

 

J

51

R57

B5B

3001061020010

Resistor 0603

 

1K

 

J

52

R58

T4B

3001061020010

Resistor 0603

 

1K

 

J

53

R59

T3B

3001061020010

Resistor 0603

 

1K

 

J

54

R60

T2D

3001061020010

Resistor 0603

 

1K

 

J

55

R61

T2D

3001061020010

Resistor 0603

 

1K

 

J

56

R62

B2I

3001064710000

Resistor 0603

 

470

 

J

57

R64

B2G

3001062720000

Resistor 0603

 

2.7K

 

J

58

R65

B2G

3001062720000

Resistor 0603

 

2.7K

 

J

59

R66

B1F

3001068210010

Resistor 0603

 

820

 

J

60

R67

B2D

3001062210000

Resistor 0603

 

220

 

J

61

R68

B2E

3001061510000

Resistor 0603

 

150

 

J

62

R69

B2C

3001061510000

Resistor 0603

 

150

 

J

63

R70

B3F

3001066810010

Resistor 0603

 

680

 

J

64

R72

B2D

3001061240010

Resistor 0603

 

120K

 

J

65

R74

B2C

3001061010000

Resistor 0603

 

100

 

J

66

R75

B4J

3001061010000

Resistor 0603

 

100

 

J

67

R76

B5E

3001061010000

Resistor 0603

 

100

 

J

68

R77

T2H

3001080000000

Resistor 1206

 

0

 

J

69

R79

B2D

3001065620010

Resistor 0603

 

5.6K

 

J

70

R80

B2D

3001061000000

Resistor 0603

 

10

 

J

71

R81

B3F

3001063020000

Resistor 0603

 

3.0K

 

J

72

R82

B4G

3001061000000

Resistor 0603

 

10

 

J

73

R84

B2C

3001064720000

Resistor 0603

 

4.7K

 

J

74

R85

T4F

3001066820000

Resistor 0603

 

6.8K

 

J

75

R87

T2A

3001064720000

Resistor 0603

 

4.7K

 

J

76

R88

T1C

3001064720000

Resistor 0603

 

4.7K

 

J

77

R89

T4I

3001061020010

Resistor 0603

 

1K

 

J

78

R90

T5H

3001061010000

Resistor 0603

 

100

 

J

79

R93

T2F

3001064730000

Resistor 0603

 

47K

 

J

80

R94

T3F

3001064740010

Resistor 0603

 

470K

 J

81

R96

B2B

3213306102000

Inductor  0603  1uH

82

R97

B3C

3001068230010

Resistor 0603

 

82K

 

J

83

R98

B3D

3001062030000

Resistor 0603

 

20K

 

J

84

R99

T1B

3001064720000

Resistor 0603

 

4.7K

 

J

85

R100

T4B

3001061030010

Resistor 0603

 

10K

 

J

86

R101

B4H

3001064730000

Resistor 0603

 

47K

 

J

87

R102

B3H

3001063330010

Resistor 0603

 

33K

 

J

88

R103

B4G

3001065630000

Resistor 0603

 

56K

 

J

89

R104

B3H

3001062230000

Resistor 0603

 

22K

 

J

90

R105

B1E

3001064730000

Resistor 0603

 

47K

 

J

 

Summary of Contents for HYT TC-500

Page 1: ...tion 5 Circuit Description 9 CPU Pins 13 TC 500 U Part List 1 15 TC 500 V Part List 1 27 Adjustment Description 39 Disassembly and Assembly 43 Exploded View 46 Part List 2 47 Packing 48 PC Board View...

Page 2: ...r in an explosive atmosphere z When in vehicles with an airbag do not place a portable radio in the area over an airbag or in the airbag deployment area z Do not expose the radio to direct sunlight fo...

Page 3: ...nob to select from channels 1 16 Channel 16 can be programmed by your dealer as scan function 4 Power Volume control knob Rotate the Power Volume Knob clockwise until a click is heard to turn the radi...

Page 4: ...insert programming cable into the jack to programme the radio via programming software 10 Battery 11 Belt clip Used to clip radio on your belt 12 Battery latch Used to fasten and remove the battery 1...

Page 5: ...odel short out the two MS2 points on PCB and then operate following the steps 3 5 and 6 If the radio is non standard model please disconnect the two MS2 points on PCB and then operate the following st...

Page 6: ...3 Busy channel lockout 4 Time out timer 5 Squelch level 6 Battery save 7 Audio alarm 8 Monitor mode 9 Scan mode 10 Scan revert channel 11 Priority scan channel 12 N W Model 13 High low power 14 N W s...

Page 7: ...1MHz Note To enable or disable manual adjust mode short out the two SELF points turn on the power to enter model set mode And then the manual adjust mode is enabled Press PTT manual adjust mode is di...

Page 8: ......

Page 9: ...600 501 550 501 650 0 11 220 000 239 995 21 4 230 000 230 100 220 000 220 100 239 975 239 900 230 500 230 550 230 600 230 550 230 650 1 1 240 000 259 995 21 4 250 000 250 100 240 000 240 100 259 975 2...

Page 10: ...Frequency Range 400 MHz 420MHz 450 MHz 470MHz 136 MHz 150MHz 150 MHz 174MHz Figure 1 frequency configuration 2 Receiver The receiver utilizes double conversion superheterodyne 1 Front end RF Amplifier...

Page 11: ...7 1 4 and then filtered by low pass filter Q19 and high pass filter Q20 and then de emphasized by R130 and C156 The resulting AF signal passes through a volume control circuit and then is amplified to...

Page 12: ...oscillator VCO passes through buffer amplifier Q14 and is divided at IC2 by the dual module programmable counter The divided signal is compared in the phase comparator IC2 with the 2 5 KHz or 6 25 KHz...

Page 13: ...lifier The transmit signal obtained from VCO buffer amplifier Q14 is amplified by Q15 and Q17 This amplified signal is passed to power amplifier Q32 and Q31 and is capable of producing a 4 0W RF power...

Page 14: ...te control H Mic mute L Mic enable 16 MS1 I Model set 17 GREEN O Green light control H light 18 RED O Red light control H light 19 TXD O RS 232C output 20 RXD I RS 233C input 21 PTTK I PTT key input 2...

Page 15: ...CSS code output 42 TONE4 O CTCSS code output 43 TONE3 O CTCSS code output 44 TONE2 O CTCSS code output 45 TONE1 O CTCSS code output 46 TONE0 O CTCSS code output 47 WNTC O W N L Wide H Narrow 47 70 NC...

Page 16: ...03 33K J 20 R25 B4B 3001063320000 Resistor 0603 3 3K J 21 R26 B4D 3001063320000 Resistor 0603 3 3K J 22 R27 B2F 3001063320000 Resistor 0603 3 3K J 23 R28 B1F 3001063320000 Resistor 0603 3 3K J 24 R29...

Page 17: ...65 R74 B2C 3001061010000 Resistor 0603 100 J 66 R75 B4J 3001061010000 Resistor 0603 100 J 67 R76 B5E 3001061010000 Resistor 0603 100 J 68 R77 T2H 3001080000000 Resistor 1206 0 J 69 R79 B2D 3001065620...

Page 18: ...001063330010 Resistor 0603 33K J 112 R130 B4B 3001065620010 Resistor 0603 5 6K J 113 R131 T4E 3001061820000 Resistor 0603 1 8K J 114 R132 B3C 3001062730010 Resistor 0603 27K J 115 R133 T2C 30010682300...

Page 19: ...J 157 R177 T2A 3001064720000 Resistor 0603 4 7K J 158 R191 B2B 3001064700000 Resistor 0603 47 J 159 R192 B4E 3001060000000 Resistor 0603 0 J 160 R194 B3F 3001060000000 Resistor 0603 0 J 161 R196 B4G...

Page 20: ...1051010030 Capacitor 0402 100P J 50V 204 C18 B5B 3101052700000 Capacitor 0402 27P J 50V 205 C19 B5H 3101061800000 Capacitor 0603 18P J 50V 206 C20 B4B 3101054710010 Capacitor 0402 470P K 50V 207 C21 B...

Page 21: ...10 Capacitor 0402 1000P K 50V 250 C66 T1E 3101051020010 Capacitor 0402 1000P K 50V 251 C67 B3H 3101052710000 Capacitor 0402 270P J 50V 252 C68 B3H 3101051020010 Capacitor 0402 1000P K 50V 253 C69 B3C...

Page 22: ...itor 0402 1000P K 50V 296 C115 B2C 3104081560019 Ta capacitor 1206 15uF 6 3V M 297 C117 B1B 3104084750000 Ta capacitor 1206 4 7uF 16V K 298 C118 T2E 3104082260020 Ta capacitor 1206 22uF 10V 299 C120 B...

Page 23: ...341 C169 T4G 3101052230000 Capacitor 0402 0 022uF K 16V 342 C171 T5F 3101055610000 Capacitor 0402 560P K 50V 343 C172 T5F 3101052720000 Capacitor 0402 2700P K 50V 344 C173 T4F 3104084750000 Ta capaci...

Page 24: ...C251 B3E 3101054710010 Capacitor 0402 470P K 50V 386 C252 B3B 3101051020010 Capacitor 0402 1000P K 50V 387 C253 B3A 3101051000000 Capacitor 0402 10P D 50V 388 C254 B3B 3101052220000 Capacitor 0402 220...

Page 25: ...B5E 3501020000019 FET 3SK318YB 434 Q28 B2J 3403008000019 Transisitor DTC114EE TL 435 Q30 B2J 3403008000019 Transisitor DTC114EE TL 436 Q31 B3I 3599000000029 FET RD07MVS1 437 Q32 B3G 3599000000019 FET...

Page 26: ...009 BLM18AG601SN1D 479 L10 B3J 3221507600000 BLM21PG600SN1D 480 L11 B3H 3221507221009 BLM21PG221SN1D 481 L12 B3G 3221506601009 BLM18AG601SN1D 482 L13 B2B 3221506601009 BLM18AG601SN1D 483 L14 T4H 32133...

Page 27: ...108230019 Inductor 1206 23nH 510 L45 B2D 3212105470000 Inductor 0402 47nH 511 L46 B2C 3213306332000 Inductor 0603 3 3uH 512 L47 B2C 3212105101000 Inductor 0402 100nH 513 L48 B1C 3212105101000 Inductor...

Page 28: ...03 470K J 20 R23 B3H 3001064730000 Resistor 0603 47K J 21 R25 B2I 3001063320000 Resistor 0603 3 3K J 22 R26 B2G 3001063320000 Resistor 0603 3 3K J 23 R27 B4E 3001063320000 Resistor 0603 3 3K J 24 R28...

Page 29: ...65 R70 B3E 3001068210010 Resistor 0603 820 J 66 R72 B4G 3001061240010 Resistor 0603 120K J 67 R74 B4G 3001061010000 Resistor 0603 100 J 68 R75 B2A 3001061010000 Resistor 0603 100 J 69 R76 B1F 3001061...

Page 30: ...R123 B3D 3001064700000 Resistor 0603 47 J 112 R124 T3F 3001062240010 Resistor 0603 220K J 113 R125 B3C 3001064700000 Resistor 0603 47 J 114 R126 B2G 3001066810010 Resistor 0603 680 J 115 R127 B1E 300...

Page 31: ...B3F 3001061040010 Resistor 0603 100K J 158 R174 T4H 3001062220000 Resistor 0603 2 2K J 159 R175 T2B 3001061040010 Resistor 0603 100K J 160 R176 T2B 3001061040010 Resistor 0603 100K J 161 R177 T2A 3001...

Page 32: ...01054710010 Capacitor 0402 470P K 50V 204 C26 B4I 3101054710010 Capacitor 0402 470P K 50V 205 C27 B3D 3101054710010 Capacitor 0402 470P K 50V 206 C28 B2C 3101054710010 Capacitor 0402 470P K 50V 207 C2...

Page 33: ...010 Capacitor 0402 1000P K 50V 250 C74 B2F 3101051020010 Capacitor 0402 1000P K 50V 251 C75 T4F 3101051020010 Capacitor 0402 1000P K 50V 252 C76 T4G 3101051020010 Capacitor 0402 1000P K 50V 253 C77 T4...

Page 34: ...3104084750000 Ta capacitor 1206 4 7uF 16V K 296 C125 B2E 3104081060080 Ta capacitor 1206 10uF 10V M 297 C126 B5I 3101053340000 Capacitor 0402 0 33uF K 6 3V 298 C128 B4J 3101055600000 Capacitor 0402 56...

Page 35: ...341 C173 T4F 3104084750000 Ta capacitor 1206 4 7uF 16V K 342 C174 T3F 3104081050000 Ta capacitor 1206 1 0uF 343 C175 T2B 3101053300000 Capacitor 0402 33P J 50V 344 C176 T3B 3101053300000 Capacitor 040...

Page 36: ...04060300049 Diode HVC362 385 D4 B5F 3399990000169 Diode MAZ36000L 386 D5 B3E 3303020100089 Diode MA2S07700L 387 D6 B3E 3303020100089 Diode MA2S07700L 388 D7 B5H 3303210200009 Diode MA2S37600L 389 D8 B...

Page 37: ...F 3215107680009 Inductor 68nH 434 L35 B2F 3215107680009 Inductor 68nH 435 L36 B1E 3101061020000 Capacitor 0603 1000P K 50V 436 L37 B3F 3213212102009 Inductor 1008 1uH 437 L38 B2E 3215107680009 Inducto...

Page 38: ...000019 Transistor DTC114EE TL 480 Q37 T2F 3403008000079 Transistor DTC144EE TL 481 Q40 T3F 3401001000039 Transistor 2SA1362 GR 482 Q41 T3F 3001060000000 Resistor 0603 0 J 483 TC1 B5G 3102992000049 Tri...

Page 39: ...sistor 10K 4 506 F1 T4G 3001080000000 Resistor 1206 0 J 507 X1 B2H 3802209540009 Crystal 20 945MHZ 508 X2 B3J 3702012850010 Crystal 12 8MHz 509 X3 T3B 3701737230049 Crystal 7 3728MHZ 510 CF1 B1H 38010...

Page 40: ...for details 2 Adjustment Some items can be adjusted in conventional communication mode and the others in manual adjust mode Turn on the power the radio enters conventional communication mode If manual...

Page 41: ...to CH14 in manual adjust mode long press MONI key to switch N W 5 sensitivity 3 RX High Turn to CH15 in manual adjust mode long press MONI key to switch N W Radio Communication Test Set 118dBm MOD 1K...

Page 42: ...67 0Hz CTCSS 10 CTCSS Balance 2 TX Center CTCSS 250 3Hz Turn to CH16 in manual adjust mode and press PTT Radio Communication Test Set LPF 300Hz ANT VR3 Adjust VR3 deviation tested on condition 1 and c...

Page 43: ...selector knob is positioned at channel 1 channel16 MIC jack can t connect with external cables After adjustment is completed short out the two SELF points and then turn the power on the radio enters...

Page 44: ...lift the battery from the radio See figure 1 Figure 1 Disassemble main unit aluminum chassis and PCB 1 Remove the two screws at the base of the chassis 2 Pull the volume knob and selector knob off 3 R...

Page 45: ...upwards and then pull the chassis away from the front cover See figure 3 Figure 3 The disassembly is shown as the figure 4 Figure 4 Disassemble PTT button Push the PTT button in indicated direction un...

Page 46: ...press the PTT button into the corresponding opening in the cover See figure 6 Figure 6 Attach the battery 1 Fit the extensions at the bottom of the battery into the slots on the radio chassis 2 Press...

Page 47: ...TC 500 Service Manual 46 Exploded View 2 3 3 1...

Page 48: ...500 Heat sinking pad 1 20 6300007001009 TC 500 Aluminum chassis 1 21 4400100004009 368S Antenna pedestal main unit SMA B01 1 22 6000051000009 TC 500 Rear cover 1 23 7000015000009 TC 500 Latch spring 1...

Page 49: ...TC 500 Service Manual 48 Packing Owner s Manual Antenna Strap Belt Clip Adapter Gift Box Owner s Manual Main Unit Charger Battery Pack...

Page 50: ...ion distortion 5 Modulation limiting 5KHz wide 2 5KHz narrow Bandwidth 16 KHz wide 8 5KHz narrow Audio response From 6 dB oct Pre Emphasis 3dB Conducted spurious emission 7 5 W Adjacent channel power...

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