Kirisun PT568-01 Service Manual
Kirisun PT568-01 Service Manual

Kirisun PT568-01 Service Manual

Pt568 series
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Dangerous!
Do not connect the AC power or DC power over 8.6V with
any connector or terminal of the radio. Otherwise it will cause fire,
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 higher than 20 dBm (100mW).
Do not turn on the radio before the antenna or load connection
is completed.
If the antenna has been damaged, do not use the radio.
Damaged antenna may cause light burning on skin.
Though the radio is waterproof, it's better to avoid putting it in
rain or snow, or any other liquid to ensure its life and
performance.
Statement!
Kirisun Electronics (Shenzhen) Co., Ltd owns the copyright of
KSP568 software.
Unauthorized Duplication of KSP568 software is strictly
prohibited.
Kirisun Electronics (Shenzhen) Co., Ltd owns the copyright of
the MCU software code.
Kirisun Electronics (Shenzhen) Co., Ltd owns the copyright of
the radio outward appearance/structure/circuit design.
Kirisun Electronics (Shenzhen) Co., Ltd owns the copyright of
this service manual. Unauthorized publication is prohibited.
Kirisun Electronics (Shenzhen) Co., Ltd owns the trademarks
"KIRISUN", "
", "
", and "科立讯".
Chapter 1 Overview ................................................................... 2
Chapter 2 External View and Functional Keys........................... 2
Chapter 3 Circuit Description..................................................... 3
Chapter 4 Mode Introduction ..................................................... 8
Chapter 5 Disassembly for Repair............................................ 11
Chapter 6 Adjustment............................................................... 12
Chapter 7 Specifications........................................................... 15
Chapter 8 Troubleshooting ....................................................... 15
Chapter 9 KBC-70Q Charger ................................................... 17
Appendix 1 Abbreviations........................................................ 18
Appendix 2 Electronic Parts List.............................................. 18
Appendix 3 Structural Parts List .............................................. 22
Appendix 4 Accessories ........................................................... 23
Figure 1 PT568 Block Diagram................................................ 24
Figure 2 PT568 Schematic Circuit Diagram............................. 25
Figure 3 PT568 Top Layer Position Mark Diagram ................. 26
Figure 4 PT568 Bottom Layer Position Mark Diagram ........... 27
1
PT568 Service Manual
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Summary of Contents for Kirisun PT568-01

  • Page 1: Table Of Contents

    Figure 5 PT568 Top Layer Position Value Diagram ....28 Figure 6 PT568 Bottom Layer Position Value Diagram ... 29 Statement! Kirisun Electronics (Shenzhen) Co., Ltd owns the copyright of KSP568 software. Unauthorized Duplication of KSP568 software is strictly prohibited.
  • Page 2: Chapter 1 Overview

    PT568 Service Manual If you want to apply for any component from Kirisun, please Chapter 1 Overview fill in an application form as below. e.g. 1.1 Introduction This manual applies to the service and maintenance of PT568 Component Application Form...
  • Page 3: Chapter 3 Circuit Description

    PT568 Service Manual Rotate the knob to select channel 1-16. Front end ③ On/Off/Volume Control Knob The signal coming from the antenna passes through the Turn clockwise until you hear a click to turn the radio power RX/TX switch circuit (D1, D2, D4 and D5), and passes through a on.
  • Page 4 PT568 Service Manual within 2-250Hz. The filtering circuit consists of IC4 can remove Audio signal processing The voice signal processing circuit of the receiver consists of signals outside the CTCSS/DCS spectrum, which enables the IC6 and its peripheral circuits. After being amplified in IC6-C, MCU to decode CTCSS/DCS more accurately.
  • Page 5 PT568 Service Manual The Tx voice signal processing circuit consists of IC7 and its peripheral components. After being amplified, limited and filtered, N: Times of frequency division the voice signal from MIC is sent to VCO for modulation together : Oscillation frequency of VCO with CTCSS/DCS signal.
  • Page 6 PT568 Service Manual CTCSS to PLL CTCSS (Continuous Tone Control Squelch System) is a APC CONTR squelch control system which is modulated on carrier and is VIOCE CHIP guided by a continuous sub-audio signal. If CTCSS is set, the IC10 TX/RX CONTROL communication between the transmitting and receiving radios can SAVE...
  • Page 7 PT568 Service Manual Table 3.2 DCS Codes RS-232C input, programming test point PLL clock output PLL data output PLL IC enable pin, H: locked Receiving enable 34 BUSY_V Busy signal of voice annunciation IC 35 DATA_V Data of voice annunciation IC 36 SCLK_V Clock of voice annunciation IC RLED...
  • Page 8: Chapter 4 Mode Introduction

    Nominal center frequency 450kHz frequencies, channels, CTCSS/DCS, scan, and other functional 6dB band width ±6kHz or higher parameters should be reprogrammed. Therefore, Kirisun has 50dB band width ±12.5kHz or lower Pulse 2.0dB or lower specially designed a set of Chinese/English programming software Insertion loss 6.0dB or lower...
  • Page 9 PT568 Service Manual Press the preprogrammed “Monitor” button to disable Radio Computer Programming CTCSS, DCS signalling, and you can receive signals that 10 Monitor (Earphone/Program (RS232 serial port) cable cannot be heard under normal operation. Press it again to ming interface) resume normal operation.
  • Page 10 PT568 Service Manual quit Emergency Alarm Mode, the radio stops making alert, or 11) Five frequency points for SQL1 Off (Narrowband) stops sending background sound and resumes normal operation. 12) Five frequency points for QT (67.0Hz) Deviation (Wideband) 13) Center frequency point for QT (67.0Hz) Deviation Channel Information 1) Receiving and transmitting frequencies of each channel (Narrowband)
  • Page 11: Chapter 5 Disassembly For Repair

    PT568 Service Manual on the master radio will light red, and the data of the master is sent Match the two holes of the belt clip with those on the rear of to the slave. While the slave is receiving the data, the LED lights the radio, and then fix the belt clip to the radio using the two green.
  • Page 12: Chapter 6 Adjustment

    PT568 Service Manual Chapter 6 Adjustment 5.5 Exploded View Before test/adjustment, make sure all equipment has been well connected to the ground! Before test/adjustment, make sure the antenna output terminal has been correctly connected to corresponding equipment or load! The transmitter output terminal must be terminated with an RF power attenuator and connected to a standard signal generator (SSG)/frequency counter/deviation meter/spectrum analyzer!...
  • Page 13 PT568 Service Manual PT568(2) 400.125MHz 425.125MHz 449.975MHz PT568(3) 420.125MHz 445.125MHz 469.975MHz 6.3.2 PLL frequency 1. In the Tuning Mode, double click “6250Hz precision” to enter. Adjust the parameter among 0-255 to make the Tx frequency at the rated value (error within ±200Hz). 2.
  • Page 14 PT568 Service Manual 0.75kHz. Then click narrowband, and adjust the value to make the modulation signal should be 1kHz, and the deviation should be deviation at 0.35kHz. 1.5kHz. In the Tuning Mode, double click “QT(151.4) DEV” to enter. In the Tuning Mode, double click “SQL9 Off” to enter. Click The tuning method is the same as that of “QT(67.0) DEV”.
  • Page 15: Chapter 7 Specifications

    PT568 Service Manual Level 1 adjustment RF OUT: -123dBm Table 6.5 Transmitter Section Test Measuring Adjustment Item Test condition Requirement Remark equipment terminal parts Frequency PC Tuning Tx frequency counter / Within ±200Hz Mode General test set Smooth and DCS waveform Oscilloscope / similar to square (balance)
  • Page 16: Chapter 9 Kbc-70Q Charger

    PT568 Service Manual 2. Status indication function: In the pre-charge process, the red group members B. The CTCSS/DCS of both users are not the same. Please reset it with PC. LED will flash; in the charging process, the red LED will light; if C.
  • Page 17: Appendix 1 Abbreviations

    PT568 Service Manual Face the charger, from left to right: HPF: High Pass Filter B-: Charging output negative terminal IDC: Instantaneous Deviation Control TYPE: Battery type detection IF: Intermediate Frequency Suspended: Ni-MH battery LED: Light-Emitting Diode Grounded: Li-poly battery LNA: Low Noise Amplifier TEMP: Battery temperature detection.
  • Page 18 PT568 Service Manual Q8, Q22, Q23, Q26, Q27, Q28, Q35, Q39, Q42, 104-C144EE-R01 Chip triode / DTC144EE(ROHM), ROHS Q44, Q45, Q46, Q52 104-C144EU-R01 Chip triode / DTC144EUA(ROHM), ROHS 104-KRX102-R01 Chip triode / KRX102U,with,bias,resistor, ROHS 104-MT717T-R01 Chip triode / FMMT717TA, ROHS 104-SA1586-R01 Chip triode / 2SA1586, ROHS 104-SC1623-R01...
  • Page 19 PT568 Service Manual 109-040220-R01 Chip resistor / 0402,22R±5%, ROHS R73, R93, R274 109-040221-R01 Chip resistor / 0402,220R±5%, ROHS R179, R180, R214, R215, R216, R244 109-040222-R01 Chip resistor / 0402,2.2K±5%, ROHS R2, R39, R185, R186, R187 109-040223-R01 Chip resistor / 0402,22K±5%, ROHS R106, R198, R209 R87, R126, R164, R207, R227, R233, R246, R251, 109-040224-R01...
  • Page 20 PT568 Service Manual C160, C161, C162, C190, C226, C232, C253, C296, C313 112-043104-R01 Chip capacitor / 0402,0.1uF,+80%--20%,16V,Y5V, ROHS C179, C185, C317, C318, C357, C358 C35, C82, C83, C85, C101, C167, C168, C173, 112-043104-R02 Chip capacitor / 0402,0.1uF±10%,16V,X7R, ROHS C174, C175, C176, C177, C178, C221, C231, C233, C254, C271, C307, C310 C25, C30, C123, C170, C225, C235, C248, C251, 112-043105-R01...
  • Page 21 PT568 Service Manual 112-043R75-R01 Chip capacitor / 0402,0.75P±0.1P,50V,C0G, ROHS C216, C217 112-063101-R01 Chip capacitor / 0603,100P±5%,50V,C0G, ROHS C144 112-063102-R01 Chip capacitor / 0603,1000P±10%,50V,X7R, ROHS 112-063150-R01 Chip capacitor / 0603,15P±5%,50V,C0G, ROHS C133 112-0631R0-R01 Chip capacitor / 0603,1P±0.25P,50V,C0G, ROHS C148, C236 112-0631R5-R01 Chip capacitor / 0603,1.5P±0.25P,50V,C0G, ROHS 112-063270-R01 Chip capacitor / 0603,27P±5%,50V,C0G, ROHS...
  • Page 22: Appendix 3 Structural Parts List

    PT568 Service Manual 114-08E821-R01 Chip inductor / FSLM2520-R82K,820nH±10%,1008, ROHS 115-1R53R0-R04 Chip air-cored coil / 0.4*1.5*3TL, negative, high pin, ROHS L1, L2, L3, L4, L5, L6, L7, L8, L9, L10 115-1R54R0-R04 Chip air-cored coil / 0.4*1.5*4TL, negative, high pin, ROHS L14, L15 115-1R55R0-R01 Chip air-cored coil / 0.5*1.5*5T, positive, high pin, ROHS 115-1R58R0-R02...
  • Page 23: Appendix 4 Accessories

    PT568 Service Manual 203-000568-R08A PT568 Top Gasket / stainless steel (SUS304), 0.30THK, ROHS PT568 Metal Speaker Net / stainless steel, Φ0.8 holes for sound penetration, 0.10THK, 203-000568-R09C ROHS 204-000558-R01 PT558 Waterproof Net for Speaker / black waterproof cloth, ROHS PT568 Waterproof Gasket for MIC Head / white, ventilative film,φ7.0*φ4.5, with 204-000568-R01A PVC, ROHS PT568 Double-sided Adhesive Tape for Front Casing / 3M"...
  • Page 24: Figure 1 Pt568 Block Diagram

    PT568 Service Manual Figure 1 PT568 Block Diagram 7.3MHz RESET...
  • Page 25: Figure 2 Pt568 Schematic Circuit Diagram

    PT568 Service Manual Figure 2 PT568 Schematic Circuit Diagram R 214 Q 22 220R D TC 144EE R 229 C 307 104 C 198 8. 2K C 265 * 10uF/ 6. 3V C 269 C 189 RS T VS S 1 C 188 S P K BUS Y...
  • Page 28: Figure 5 Pt568 Top Layer Position Value Diagram

    PT568 Service Manual Figure 5 PT568 Top Layer Position Value Diagram...
  • Page 29: Figure 6 Pt568 Bottom Layer Position Value Diagram

    PT568 Service Manual Figure 6 PT568 Bottom Layer Position Value Diagram...

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Pt568-02

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