Kirisun PT260 Service Manual
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Kirisun PT260 Service Manual

Commercial two-way radio
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Summary of Contents for Kirisun PT260

  • Page 2: Table Of Contents

    Figure 1 PT260 Schematic Circuit Diagram....23 Though the radio is waterproof, it's better to avoid putting it in Figure 2 PT260 Top Layer Numeric Value Diagram ..24 rain or snow, or any other liquid to ensure its life and performance.

  • Page 3: Chapter 1 Overview

    PT260 Service Manual Chapter 1 Overview Replacement Part Application 1.1 Scope of Application This manual applies to the service and maintenance of PT260 Product Part Name Part Parameters Material No. series of FM portable radios, and is intended for use by engineers Type and professional technicians that have been trained by Kirisun.

  • Page 4: Chapter 3 Circuit Description

    PT260 Service Manual 2.2 Functional Keys POWER AFCN POWER ① LED indicator ANT SW AF POWER AMP RDA1845 MUTE SP K JACK Red LED lights in transmitting; Green LED lights in FROM TX W558 receiving. Red LED flashes in low battery warning.
  • Page 5 PT260 Service Manual control signal to make the frequency of VCO equals to the designed frequency. RDA1845 RF PA ANT SW RF PA DRIVER DRIVER 3.5 Voice Annunciation Circuit APC FROM MCU CONTROL This product has voice annunciation function, which is...
  • Page 6 PT260 Service Manual Figure 3.4 MCU Unit Principle Diagram Table 3.1 CTCSS Frequency List MCU unit controls the operation of each unit of the radio so No. Frequency Frequency No. Frequency No. Frequency [Hz] [Hz] [Hz] [Hz] as to realize all the functions.

  • Page 7: Chapter 4 Function Description And Parameter Setting

    PT260 Service Manual Pin No. Port Name Function 3.8 Semiconductor Components RLED Red LED control MCU Description BATT Battery voltage check Table 3.3 Description for Port of Microprocessor VREF ADC reference voltage (M30C026FPG#U0) PTT button check Pin No. Port Name...
  • Page 8 PT260 Service Manual During the scan, press the PTT button, the radio will transmit If you continuously transmit longer than the preset TOT time, the signal on the last receiving channel; if the scan stops at one the radio will stop transmitting and make an alert tone. To stop the channel, press the PTT button, the radio will transmit the signal on warning tone, release the PTT button.
  • Page 9 4. If the radio cannot work after the edit, please open the backup user may reset the working frequency, channels, CTCSS/DCS and data and reedit them. automatic scan etc, of the radio. Thus, Kirisun has specially 5. “Model Information” contains important information about the designed a set of Chinese/English programming software KSP260 radio and is unchangeable.

  • Page 10: Chapter 5 Disassembly For Repair

    PT260 Service Manual 1) Frequency tuning Removing the Battery 2) Transmitting power Press the belt clip, and then push backward until it separates 3) Low voltage threshold from the radio. 4.4 Wired Clone Parameter If there are many radios needing to be edited, and one radio has already been edited by the computer, the data in this radio can be cloned to other radio through the wire.
  • Page 11 PT260 Service Manual 5.4 Installing/Removing the Belt Clip Installing the belt clip: Match the belt clip to the two screw holes at the rear of the radio. Use two screws to fix the belt clip. Removing the belt clip: Use the screwdriver to take off the screws and separate the belt clip from the radio.
  • Page 12 PT260 Front cabinet Material: ABS, black, silk-screen 7MHP-7134-07A-WC PT260 Light guide Material: PMMA, translucence 7MHS-7134-01A-W PT260 Stainless steel net Material: steel, hardness: 0.2mm, aperture: ø0.8mm Material: black waterproof cloth, diameter φ36mm* 7GCB-360001-W0 φ36 waterproof net of the speaker depth 0.1mm(558)

  • Page 13: Chapter 6 Adjustment

    PT260 Service Manual Ni-plated M2*4 Cross round head machine Material: steel hardened, Φ2mm*4mm, cross round 7SMF-020040M-SZYB-N screw head machine screw, metric coarse thread, nylon patch 7MHR-7025-05A-WO PT-3500S Earphone jack gasket Material: silica gel, black, hardness: 55° PT-3500S Battery touch sheet...
  • Page 14 Some of the parameters can be adjusted (PC mode) by signal. The waveform should be smooth (near to square wave). Kirisun’s program software. These parameters include: Then adjust the deviation within the range of 0~255 to make it to 1) Frequency error be 0.75 ±0.25kHz。...

  • Page 15: Chapter 7 Specifications

    PT260 Service Manual Table 6.2 Rx part Test Test Item Test conditions Test equipments Requirement Remarks point mode Audio Test frequency: Intermediate RF signal generator; Speaker (Rotate level frequency point Oscilloscope; jack VOLOME Input from antenna Audio voltage meter; Knob connector;...

  • Page 16: Chapter 8 Troubleshooting

    PT260 Service Manual communication range. 7.2 Rx Part Usable sensitivity (12dB ≤ 0.25μV No signal A. The antenna is in poor contact. Please SINAD) fasten it. Squelch On sensitivity ≤ 0.18uV @ squelch level 3 B. The HF amplifying tube is broken.

  • Page 17: Appendix 1 Abbreviations

    PT260 Service Manual g) Max. charging voltage of the battery: 8.32~8.42V RED LED Indicator: Charging GREEN LED Indicator: Power on/Charging completes YELLOW LED Indicator: Abnormal 9.2 Functions Introduction 1. This is an intelligent charger, which charges quickly, stably, safely, and saturatly.

  • Page 18: Appendix 2 Electronic Parts Lists

    PT260 Service Manual Appendix 2 Electronic Parts Lists Part No. Descriptions Position Mark 1IP1-M30C026FPGP MCU/CPU,R8C/24,M30C026FPGP#U0,52PIN,8 bits chip,FLASH,ROHS 1IM1-AT24C08BN-SH Memory IC/AT24C08AN-SU27,ROHS 1IS1-RDA1845 IC/RDA1845,PLL&IF&AF&TX&RX,ROHS 1IS1-TA7368PLA TA7368PL,SSOP-10 1IS1-NA019 Voice annunciation of Channel NA019,SOP8 1IS1-XC62FP3002PR Regulator IC/FP3002,SOT-89,ROHS 1IL1-RC4558DR Double operation amplification RC4558DR,SOIC-8 1IS1-LM358G-2 LM358G-2,SOP8...
  • Page 19 PT260 Service Manual 2RS1-10-470J Sheet resistor /0402,47R±5%,ROHS 2RS1-10-102J Sheet resistor /0402,1K±5%,ROHS R713 R714 R715 R712 R79 R710 R38 R414 R41 R73 R78 R54 R218 R223 R626 2RS1-10-103J Sheet resistor/0402,10K±5%,ROHS R48 R416 R621 R42 R313 R236 R120 R413 R310 R610 R91 2RS1-10-104J Sheet resistor/0402,100K±5%,ROHS...
  • Page 20 PT260 Service Manual 2RS1-20-000O Sheet resistor/0805,0R±5%,ROHS R510 2RE1-10-1503 Sheet resistor/0402,150K±1%,ROHS R32 R229 R230 R227 R228 R226 R225 2RS1-10-154J Sheet resistor/0402,150K±5%,ROHS 2RS1-16-364J Sheet resistor/0603,360K±5%,ROHS R622 2RS1-20-683J Sheet resistor/0805,68K±5%,ROHS 2RS1-32-R36J Sheet resistor/1206,0.36R±5%,ROHS R231 R232 R233 2RW3-RP08110SNAX-B R08710NS 2CC1-10-C0G500-100D 0402,10P±0.5P,50V,C0G,ROHS C232 2CC1-10-C0G500-101J 0402,100P±5%,50V,C0G,ROHS...
  • Page 21 PT260 Service Manual 2CC1-10-X7R160-473K 0402,0.047uF±10%,16V,X7R,ROHS C713 C31 C4 2CC1-10-X5R100-474K 0402,0.47uF±10%,10V,X5R,ROHS C326 C29 C219 C319 C322 2CC1-10-COG500-6R0C 0402,6P±0.25P,50V,COG,ROHS C110 2CC1-10-COG500-5R0C 0402,5P±0.25P,50V,COG,ROHS C13 C15 C234 C230 2CC1-10-X7R160-682K 0402,6800P±10%,16V,X7R,ROHS C38 C616 C246 2CC1-16-COG500-8R0C 0603,8P±0.25P,50V,COG,ROHS 2CC1-16-C0G500-220J 0603,22P±5%,50V,C0G,ROHS C214 2CC1-16-C0G500-200J 0603,20P±5%,50V,C0G,ROHS 2CC1-16-C0G500-130J 0603,13P±5%,50V,C0G,ROHS 2CC1-16-C0G500-101J 0603,100P±5%,50V,C0G,ROHS 2CC1-16-X7R500-102K 0603,1000P±10%,50V,X7R,ROHS...

  • Page 22: Appendix 4 Accessories Lists

    PT260 Service Manual 5FE1-BLM11A221SPT EMI,FILTER, SMT,BLM11A221S,0603,ROHS L41 L61 L71 L73 L60 5FE1-BLM21P300S EMI,FILTER, SMT,BLM21P300S,0805,ROHS L27 L31 L24 4SM3-6027-A56B Microphone, Φ=6.0mm,H=2.7mm,-56dB±2dB, with MIC1 terminal (aside)，ROHS 5OD1-13R0-DBF3-0302 Chip fixed temperature compensation transistor /NT5032SC,13±2.5PPM,3.0*2.5*1.6mm,ROHS 5XT1-CSTCR-7R30G53 CSTCR7M30G53-R0,7.3M,ROHS 3CE3-ST212-35K 3.5mm Microphone jack/SP/MIC,ST-212,ROHS 3CE3-EJ-2507-CCPAK 2.5mm Earphone jack /SP/MIC,EJ-2507-CCPA,ROHS...
  • Page 23 PT260 Service Manual Earphone KME-008 KME-010 Charger Base KBC-260 4 hours standard charger base Adapter KTC-24C DC OUT 12V 500mA Antenna Rubber antenna...

  • Page 24: Figure 1 Pt260 Schematic Circuit Diagram

    PT260 Service Manual Figure 1 PT260 Schematic Circuit Diagram...

  • Page 25: Figure 2 Pt260 Top Layer Numeric Value Diagram

    PT260 Service Manual Figure 2 PT260 Top Layer Numeric Value Diagram...
  • Page 26 PT260 Service Manual Figure 3 PT260 Bottom Layer Numeric Value Diagram...
  • Page 27 PT260 Service Manual Figure 4 PT260 Top Layer Position Mark Diagram...

  • Page 28: Figure 5 Pt260 Bottom Layer Position Mark Diagram

    PT260 Service Manual Figure 5 PT260 Bottom Layer Position Mark Diagram...

  • Page 29: Figure 6 Charger Schematic Circuit Diagram

    PT260 Service Manual Figure 6 Charger Schematic Circuit Diagram...

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