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VZ-28 PARTS LIST 

136-174MHz

Footprint

Comment

Num

Cesignators

Capacitance

5P

C0402

1 C275

6P

C0402

1 C263

10P

C0402

7 C313

C265

C232

C226

C234

C238

C112

12P

C0402

1 C115

15P

C0402

1 C261

18P

C0402

1 C262

20P

C0402

2 C639

C638

33P

C0402

1 C122

39P

C0402

1 C132

47P

C0402

5 C527

C528

C529

C315

C890

52P

C0402

2 C318

C317

68P

C0402

1 C316

100P

C0402

8 C866

C865

C175

C104

C267

C815

C816

C352

102P

C0402

15 C631

C176

C183

C565

C117

C237

C135

C133

C127

C118

C113

C822

C856

C353

C841

103P

C0402

19 C314

C312

C174

C144

C904

C898

C239

C227

C221

C131

C101

C817

C812

C818

C913

C181

C147

C911

C356

104P

C0402

37 C236

C834

C635

C632

C326

C325

C324

C905

C103

C568

C114

C233

C235

C271

C258

C128

C240

C584

C585

C581

C821

C891

C893

C894

C895

C831

C813

C879

C148

C351

C844

C843

C842

C359

C357

C296

C567

105P

C0402

2 C295

C182

220P

C0402

1 C833

223P

C0402

1 C354

224P

C0402

2 C561

C569

333P

C0402

1 C871

470P

C0402

20 C173

C180

C145

C861

C862

C906

C907

C102

C294

C160

C272

C142

C141

C124

C121

C811

C892

R557

C814

C146

3P

C0603

1 C163

6P

C0603

2 C169

C151

10P

C0603

1 C164

13P

C0603

2 C168

C166

22P

C0603

1 C167

27P

C0603

1

C153

30P

C0603

1 C165

33P

C0603

1 C161

39P

C0603

1 C157

14

Содержание Mag One VZ Series

Страница 1: ...ded or hip only In most cases one side has only chip components and the other has either a mixture ofboth chip and leaded components varister coils electrolytic capacitors ICs etc or leaded components...

Страница 2: ...WARNING 11 13 CABLE CLOINE 11 14 PTT ID TRANSMIT MODE 11 15 THE SIDE KEY CAN BE PROGRAMMED THE FUNCTIONS AS FOLLOW 11 EXPLODED VIEW MISCELLANEOUS PARTS 12 VZ 28 SERIES SPARE PARTS 13 VZ 28 PARTS LIST...

Страница 3: ...to 60 C Frequency Stability RF Input Output Impedance Dimension W x H x D Weight 2 5 ppm 50 ohm 127 x 60 x 38mm 255 g with battery Receive Sensitivity 12dB SINAD 0 20 V Adjacent Channel Selectivity I...

Страница 4: ...to 60 C Frequency Stability RF Input Output Impedance Dimension W x H x D Weight 2 5 ppm 50 ohm 127 x 60 x 38mm 255 g with battery Receive Sensitivity 12dB SINAD 0 20 V Adjacent Channel Selectivity I...

Страница 5: ...C to 60 C Frequency Stability RF Input Output Impedance Dimension W x H x D Weight 2 5 ppm 50 ohm 127 x 60 x 38mm 255 g with battery Receive Sensitivity 12dB SINAD 0 20 V Adjacent Channel Selectivity...

Страница 6: ...ss radio repair VZ 28 major technical information and data Precautions In the case of before don t carefully verify all RF plugs or any open plugs don t connect to the appropriate terminals please don...

Страница 7: ...Transmitting receiving signals 6 Speaker It is used to output voices 7 Microphone Input voices 8 PTT Press PTT button to put the radio in transmitting state release the button restore to receiving sta...

Страница 8: ...read write the frequency of the radio via PC software 13 Battery Latch Fixed disassemble the battery pack 14 Battery Power supply for radio 6...

Страница 9: ...plified enter to 1846 for processing then output the audio the audio signal is amplified by UTC2822 and output by the speaker at last TRANSMITTE The signal from the microphone passes through 1846 afte...

Страница 10: ...to the processor Reset and backup circuit When turn on the power a positive pulse is output from the reset circuit consisting of D831 C831 and R831 to the third feed of reset terminal on U821 micropro...

Страница 11: ...al oscillator signal used to switch the RF input to a continuous low medium frequency Synthesizer provides the base clock to adjust the VCO frequency 3 BASE CLOCK 1846 supports more base clocks for ex...

Страница 12: ...mming software to adjust the squelch level 0 9 levels BEEP SETTING You can hear a beep sound when turn on the radio or press a key You can use programming software to open or close this function TIME...

Страница 13: ...the data and Slave unit begin to receive data from Master unit 3 During cable cloneing Master unit blink red and Slave unit blink Green 4 When cloning completed Slave unit restart automatically 5 Swit...

Страница 14: ...12...

Страница 15: ...ssis 8 F001A28M052 Aluminum Chassis 9 F001A28E001 PCBA 400 470MHz 9 1 F001A28M009 Channel Potentiometer 9 2 F001A28M014 Volume Potentiometer 10 F001A28E005 PCBA 136 174MHz 11 F001A28E007 PCBA 350 390M...

Страница 16: ...C0402 19 C314 C312 C174 C144 C904 C898 C239 C227 C221 C131 C101 C817 C812 C818 C913 C181 C147 C911 C356 104P C0402 37 C236 C834 C635 C632 C326 C325 C324 C905 C103 C568 C114 C233 C235 C271 C258 C128 C...

Страница 17: ...562 10K R0402 21 R527 R528 R177 R184 R567 R297 R294 R292 R897 R239 R882 R884 R886 R898 R899 R187 R821 R857 R872 R874 R888 10R R0402 3 R121 R359 R357 15K R0402 1 R584 22K R0402 2 R221 R585 33K R0402 3...

Страница 18: ...3 D262 D261 D266 HVC131 D ESC 2 D161 D160 HZU5 1B D USC 1 D180 KDS122 D USM MA742 1 D895 Triode RQA0009 T 2N1A 2SK3476 1 T141 DTC114EE T ESM DTA114EE 6 T851 T852 T102 T352 T171 T294 2SK1824 T ESM 2SK1...

Страница 19: ...K C BC 47S 13 D 1 BA901 JP18 JP 18 2 1 JP865 CALL JT 02 1 SW882 MONI JT 02 1 SW881 PTT JT 02 1 SW883 ALARM S SKHLLBA010 1 SW889 MIRCO USB MIRCO USB2 1 JP751 RD810S S R087FENS 1 SW354 ST 1041 JK ST 106...

Страница 20: ...C314 C312 C174 C144 C904 C898 C239 C273 C227 C221 C131 C817 C812 C818 C913 C181 C147 C911 C356 104P C0402 36 C236 C834 C635 C632 C326 C325 C324 C905 C103 C568 C567 C233 C235 C271 C258 C128 C101 C240...

Страница 21: ...R177 R184 R567 R297 R294 R292 R897 R239 R882 R884 R886 R898 R899 R187 R821 R857 R872 R874 R888 10R R0402 3 R121 R359 R357 12K R0402 1 R553 15K R0402 1 R584 22K R0402 2 R221 R585 33K R0402 3 R112 R186...

Страница 22: ...3 D262 D261 D266 HVC131 D ESC 2 D161 D160 HZU5 1B D USC 1 D180 KDS122 D USM MA742 1 D895 Triode RQA0009 T 2N1A 2SK3476 1 T141 DTC114EE T ESM DTA114EE 6 T851 T852 T102 T352 T294 T171 2SK1824 T ESM 2SK1...

Страница 23: ...25 BATTERY JK C BC 47S 13 D 1 BA901 JP18 JP 18 2 1 JP865 CALL JT 02 1 SW882 MONI JT 02 1 SW881 PTT JT 02 1 SW883 ALARM S SKHLLBA010 1 SW889 MIRCO USB MIRCO USB2 1 JP751 ST 1041 JK ST 106 1 JK875 ST 30...

Страница 24: ...17 C131 C221 C227 C273 C239 C898 104P C0402 36 C905 C324 C325 C326 C632 C635 C834 C236 C296 C357 C359 C842 C843 C844 C351 C148 C879 C813 C831 C895 C894 C893 C891 C581 C585 C584 C240 C101 C128 C258 C27...

Страница 25: ...402 2 R355 R186 47K R0402 17 R864 R863 R182 R631 R633 R844 R351 R869 R868 R867 R866 R127 R141 R142 R227 R235 R101 47R R0402 2 R126 R143 100K R0402 6 R636 R834 R856 R128 R314 R293 100R R0402 7 R885 R88...

Страница 26: ...T271 RD01MUS2 K6 T SOT89 2SK3078 1 T131 2SB624 T TSM 2SB624 2 T101 T291 HM3401 T TSM 2SB624 1 T351 2SC3356 T TSM 2SC3356 R25 1 T121 R3111Q271A T US4 1 U821 2SC4226 T TSM 2SC3356 R25 3 T266 T111 T315...

Страница 27: ...ST 3013 06 JK ST 301 5 1 JK871 ANT 1 PX 333 ANT 1 ANT160 BATT J TEST POINT 1 J1 SW S ED08903O 1 SW861 RD810S S R087FENS 1 SW354 25...

Страница 28: ...221 3V3 T111 2SC4226 T121 2SC3356 T131 2SK3078 T141 2SK4037 T271 3SK318 T267 DTA114YE T101 2SB624 T102 DTC114EE T181 DTA114YE T182 2SK1824 T171 DTC114EE BATT T555 2SK1824 3V3 3T 3T 3T 3V3 RDA_SCLK RDA...

Страница 29: ...SDIO RDA_SEN RDA_PDN RDA_SQ APC VOX_DET RDA_SCLK RDA_CSS IN OUT RDA_SDIO RDA_SEN RDA_PDN RDA_SQ APC VOX_DET BATDET R_LED G_LED 3V3 3V3 BATT_i 3V3 MIC C831 104P R833 150K C834 104P R831 330K C833 220P...

Страница 30: ...EN RDA_PDN RDA_SQ APC VOX_DET RDA_SCLK RDA_CSS IN OUT RDA_SDIO RDA_SEN RDA_PDN RDA_SQ APC VOX_DET BATDET R_LED G_LED 3V3 3V3 BATT_i 3V3 MIC C831 104P R833 150K C834 104P R831 330K C833 220P R834 100K...

Страница 31: ...ONE RDA_SCLK RDA_SDIO RDA_SEN RDA_PDN RDA_SQ APC VOX_DET RDA_SCLK RDA_CSS IN OUT RDA_SDIO RDA_SEN RDA_PDN RDA_SQ APC VOX_DET BATDET R_LED G_LED 3V3 3V3 BATT_i 3V3 MIC C831 104P R833 150K C834 104P R83...

Страница 32: ...VZ 28 D0 5 136 174MHz COMPONENTS VALUE 30...

Страница 33: ...31...

Страница 34: ...VZ 28 D0 5 136 174MHz BITMAP 32...

Страница 35: ...33...

Страница 36: ...VZ 28 G6 4 400 470MHz COMPONENTS VALUE 34...

Страница 37: ...35...

Страница 38: ...VZ 28 G6 4 400 470MHz BITMAP 36...

Страница 39: ...37...

Страница 40: ...VZ 28 F6 4 350 390MHz COMPONENTS VALUE 5 38...

Страница 41: ...5 39...

Страница 42: ...VZ 28 F6 4 350 390MHz BITMAP 5 40...

Страница 43: ...5 41...

Страница 44: ...VZ 28 PCB BOARD 42...

Страница 45: ...43...

Страница 46: ...44...

Страница 47: ...45...

Страница 48: ...VZ 28 GUIDELINE OF TROUBLESHOOTING 46...

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