Kirisun PT4200 Service Manual
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2 PT4200 SERVICE MANUAL Chapter 3 Electrocircuit 3.1 Frequency Configuration Figure3.1 Frequency Configuration This radio adopts the 2nd Mixer, the 1st IF 49.95MHz, the 2nd IF 450kHz. The receiver's first local oscillation is generated by the frequency synthesizer. The second local oscillation is generated by the crystal o
Kirisun PT4200, Port Name Pin Name I/O FunctionPin No . 023 114 174 315 445 631 025 115 205 331 464 632 026 116 223 343 465 654 031 125 226 346 466 662 032 131 243 351 503 664 043 132 244 364 506 703 047 134 245 365 516 712 051 143 251 371 532 723 054 152 261 411 546 731 065 155 263 412 565 732 071 156 265 413 606 734 072 162 271 423 612 743 073 165 306 431 624 754 074 172 311 432 627 5 PT4200 SERVICE MANUAL DCS DCS (digital code squelch) is a kind of continuous digital code modulated with voice signals on carrier wave to control squelch. 83 groups of standard codes (positive and inverse co
Kirisun PT4200, 3 PT4200 SERVICE MANUAL Figure 3.5 Amplifier and Antenna Switch Diagram CTCSS Signal Filtering The IC5 demodulated output audio signals may contain CTCSS (continuous tone coded squelch system) and DCS (digital coded squelch). The frequency spectrum of CTCSS/DCS is 2-250Hz. The filtering circuit constructed by IC4 can filter out the signals out of the CTCSS/DCS frequency spectrum to ensure MCU to decode CTCSS/DCS more precisely. 3.2 Transmitter (TX) Transmitter Amplifier Figure 3.6 APC Circuit The modulated signals from VCO are amplified at Q2, Q3, and Q12 and then are sent to Q11 for amplification. Q11 output power: 4.5W. The Q11 and Q12 gate offset is controlled by APC cir
Kirisun PT4200, PT4200 SERVICE MANUAL DANGEROUS! Do not connect the AC power or DC power over 8.6V with any connector or terminals of the radio. Otherwise it will cause fire or electric shock or damage to the radio. WARNING! Do not reverse power connection. It may cause harm to the radio if signal input on the antenna connector is bigger than 20 dBm (100mW). Do not turn on the power before the antenna or load connection is completed. If the antenna has been damaged, do not use the radio. Damaged antenna may cause lightly burning on skin. Though the radio is waterproof, it's better avoid putting it in rain or snow,
Kirisun PT4200, 11 PT4200 SERVICE MANUAL Chapter 6 Radio Debugging Before test/debugging, make sure all the equipments have been well connected to the ground. Before test/debugging, make sure the antenna output terminal has been connected properly to the corresponding devices and load. The transmitter output must pass RF power attenuator before being connected to the standard signal source/ frequency deviator/ frequency spectrum. When testing the receiver, make sure not to conduct transmitting operation. When in debugging/testing/service, make sure static
Kirisun PT4200, 4 PT4200 SERVICE MANUAL IC15 is a voice memory chip which stores the voice indication of channels, and every time you change the channel, the speaker will sound voice annunciation of the current channel number. Press voice annunciation key will repeat the voice annunciation of the current channel number. If the voice annunciation function has been set, press voice annunciation key in the stand by mode and the speaker will sound voice annunciation of the current channel number. If turn on the radio again with the voice annunciation key pressed, the voice type will be changed. Repeat turning on the radio with the voic
Kirisun PT4200, PT4200 SERVICE MANUAL Appendix 5 Accessory List Item Battery Hand Strap Earphone Charger Adapter Antenna Accessory Figure Specification 7.4V 1200mAh Li-Poly 7-hour standard charger DC OUT 15V 400mA Model KB-42A 8AJD-20K KME-201 KME-202 KBC-58L KTC-58C1 KA-3U064 Short Antenna 21
PT4200 SERVICE MANUAL 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 109-040473-001 109-040474-001 109-040562-001 109-040563-001 109-040564-001 109-040682-001 109-040683-001 109-040821-001 109-040822-001 109-040823-001 109-040913-001 109
Kirisun PT4200, 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 112-0635R0-001 112-0636R0-001 112-0637R0-001 112-0638R0-001 112-063R50-001 112-072225-001 112-072475-001 112-073105-001 112-073225-001 112-102105-001 112-102106-002 112-102156-001 112-172107-002 113-010100-001 114-06E220-001 114-06E270-001 114-06E560-001 114-06E680-001 114-06G101-003 114-06G102-001 114-06G120-001 114-06G221-002 114-06G270-001 114-06G332-001 114-06G470-001 114-06G6R8-001 114-08E103-001 114-08E821-001 114-10E221-001 115-1R53R0-004 115-1R54R0-004 115-1R55R0-001 115-1R58R0-002 117-000000-004
Kirisun PT4200, PT4200 SERVICE MANUAL conducted for over 10 seconds, the battery power saving will be activated. When it is receiving signals or in operating state, battery power saving is inactive. 4.1.6 Low Battery Warning When the battery power appears low, the indicator flashes. If the battery power is lower than the preset value during transmitting, the status indicator flashes red. When the speaker sounds warning tone, the radio will stop transmitting. 4.1.7 Monitor When no signals are being received, the radio squelch circuit mutes the speaker. Press the MONI key to cut off the squelch control circuit, and you will hear noise from
Kirisun PT4200, 7 PT4200 SERVICE MANUAL Chapter 4 Function Description and Parameter Setting 4.1 Major Functions 4.1.1 16 Channels/15 Channels +Scanning Channel The radio stores 16 channels including one scanning channel. 4.1.2 Scanning Function Control If you switch the channel to channel 16, the radio is in the scanning state. After starting scanning, it will pause when receiving signals. If you switch the channel to channel 1-15, the scanning function is inactivated. 4.1.2.1 Carrier Wave Control Scanning If the radio scanning setting is carrier wave control scanning , switch the channel to channel 16 to set the radio in the scanning work
Kirisun PT4200, 9 PT4200 SERVICE MANUAL radio will not exit it automatically and you have to turn on the radio again to enter the user's mode. Operating steps are as follows: 1) Turn on the radio with the MONI key pressed, and 2 seconds later the red light flashes twice and two beep tones sound, and then the radio enters the wired clone mode. 2) Press the PTT button on the host radio to activate/inactivate the wired clone mode on the sub radio. But the wired clone mode of the host radio will not be changed. When pressing the PTT button, the green light flashing
13 PT4200 SERVICE MANUAL Chapter 7 Major Specifications 7.1 General Specification Model PT4200 Frequency (1)420~470MHz (2)400~450MHz Modulation 11K F3E Number of Channels 16(15+S) Channel Spacing 12.5 kHz MF 1st MF 49.95 MHz 2nd MF 450kHz Workin
Kirisun PT4200, 17 PT4200 SERVICE MANUAL 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 104-MT717T-001 104-SC1623-001 104-SC3356-001 104-SC4617-001 104-SC4738-001 104-SC4919-001 104-SC5108-001 104-TA1298-001 104-TC4082-001 105-2SJ243-001 105-2SK508-001 105-3SK318-001 105-RD01MU-001 105-RD07MV-001 105-SK1588-001 105-SK1824-001 106-0BA010-001 106-454548-001 106-LBE010-001 106-RD835E-001 108-455C24-001 108-CF450H-001 108-XF4995-001 109-040000-001 109-040100-001 109-040101-001 109-040102-001 109-040103-001 109-040104-001 109-040105-001 109-040122-001 1
Kirisun PT4200, 1 PT4200 SERVICE MANUAL Chapter 1 Introduction 1.1 Introduction This manual applies to the service and maintenance of PT4200 series of FM mobile radios, and is designed for the engineers and professional technicians that have been trained by Kirisun. In this manual you can find all the information of product service. Kirisun reserves the rights to modify the product structure and specification without notice in order to enhance product performance and quality. You can also log on our website www.kirisun.com to download the latest service manual o
Kirisun PT4200, 14 PT4200 SERVICE MANUAL PROBLEM SOLUTION No . The indicator lights red when in transmitti ng but no voice can be heard. A. The power amplifier tube Q11 is broken and there is no power output and please change it with a new tube. B. The microphone is broken, and please change it with a new one. C. The operational amplifier IC3 is broken, and please change it with a new one. The indicator lights green when in receiving but no voice can be heard. A. The speaker is broken, and please chang
Kirisun PT4200, PT4200 SERVICE MANUAL 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 26 29 28 27 23 22 20 18 17 16 15 14 13 11 10 9 8 7 6 4 3 2 12 24 25 19 21 5 1 2 1 1 2 1 1 1 1 1 2 2 1 1 1 11 1 2 1 1 1 1 1 1 44 43 42 41 40 39 38 32 33 34 35 36 37 24 23 22 25 26 27 28 29 30 31 AL LABLE M2 SCREW AL LABLE arial Aluminum bracket ANTENNA HEAD WATERPROOF WASHER INSULATING WASHER M1.7 SCREW arial POSITIVE TERMINAL WASHER WASHER POSITIVE TERMINAL FRAME WASHER WASHER M2 SCREW M2.5 SCREW PUSH FASTENER PUSH FASTENER SPRING TOP COVER AL ALLOY LABLE PCB BOARD WATERPROOF LABLE 204-
16 PT4200 SERVICE MANUAL 19 20 21 22 23 24 25 26 27 202-000558-001 202-000558-002 202-000558-003 202-000558-004 202-000558-005 202-000558-006 202-000558-007 202-000558-008 202-000558-009 Earpiece-Mic jack panel cover£¬black silica gel(enhanced elasticity)£¬hardness70 PTT button£¬black silica gel£¬hardness50 Alert button£¬orange silica gel (enhanced elasticity)£¬hardness6
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