Kirisun FP460 Service Manual
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Kirisun FP460 Service Manual

Fm portable radios
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Summary of Contents for Kirisun FP460

  • Page 2: Table Of Contents

    Chapter 1 Overview 1.1 Introduction This manual applies to the service and maintenance of FP460 FM portable radios, and is intended for use by engineers and professional technicians that have been trained by Kirisun. It contains all the required service information for the equipment. Kirisun reserves the right to modify the product structure and specifications without notice in order to enhance product performance and quality.
  • Page 3 * Replacement Parts All components used for repair should be supplied by Kirisun. Components of the same type available on the market are not surely able to be used in this product and we do not guarantee the quality of the product using such components.

  • Page 4: Chapter 2 External View And Functional Keys

    FP460 Service Manual identify. After the warranty expires, lifetime service is still available. We also provide service components to service stations and staffs. Chapter 2 External View and Functional Keys 2.1 External View and Functional Keys Figure 2.1 1.Antenna 2. PTT Press the key and talk to make a call;...
  • Page 5 FP460 Service Manual confirm the selected item. 8. Confirmation Key 9. Down Key 10. Digital Keypad There are 12 keys. You can use them to enter the numbers you want to dial, edit the message or edit the contact. 11. Channel Knob Rotate to choose 1—16 channels.
  • Page 6 FP460 Service Manual Home screen: Returns to the Home Screen in menu status. Power level adjustment: Switch between high/low power Call log: Enter into call log menu. Monitor: If the current analog channel is with CTCSS/CDCSS, press the key to squelch mode to cancel the CTCSS/CDCSS function.
  • Page 7 FP460 Service Manual channel is high. Keypad Lock Indicate that the Keypad is locked. Display when pressing the Squelch on/off Squelch off shortcut key. The radio is in emergency alarm status Emergency Alarm (except secret alarm), or receives emergency alarm.

  • Page 8: Chapter3 Circuit Description

    FP460 Service Manual a. Enter Contacts menu, select one contact and then press and hold the PTT Button, speak to the MIC. b. Enter Call Log menu, and then enter Call Out or Call In item, select one contact, press the PTT Button and speak to the MIC.
  • Page 9 FP460 Service Manual The reference frequency of RD1846S is generated by 12.8MHz crystal oscillator X500 TCXO. 3.3 Principle of Receiver (RX) RDA1846 LT1801A POWER AFAMP Figure 3.3 Principle of Receiver Receiver is mainly used in receiving, selecting, amplifying, transforming, demodulating etc.
  • Page 10 FP460 Service Manual Audio signal from IC4 (RDA1846S) processed through LT1801, then through the volume potentiometer, to the audio power amplifier U600 (TDA2822). Audio power amplifier U600 and peripheral components makes up the audio power amplifier circuit Q601 base is the control end. High level: U2 begins to make audio; Low level: closed.
  • Page 11 FP460 Service Manual output power of the transmitter. The output is about 0.5 W, G about 14 db. Q500 RD07, end RF power amplifier, is part of the important and critical level. The output power and efficiency level at the end power amplifier are almost equal to transmitter output power and efficiency.
  • Page 12 FP460 Service Manual The machine uses 7.4 V batteries. Transmitter power amplifier circuit (Q500, Q501) and receiver audio processing (U600) directly uses the battery. All the other circuits are powered by constant 5 V power supply. IC100: 5T switch, controlled by MCU.
  • Page 13 FP460 Service Manual Low phase noise Extremely fast phase lock time High frequency resolution, frequency is adjustable The built-in crystal frequency error calibration circuit 3.6.6. Ultra low power sleep mode 3.6.7. Three line serial digital interface control 3.7 semiconductor devices MCU instructions Table 3.7 the microprocessor (LT1801A) port...
  • Page 14 FP460 Service Manual LCDCRD LCD_RD LCDCRS LCD_RS LCDCWR LCD_WR LCDCS0 LCD_CS LCDCS1 LCD_RST LCDC0 LCD_D0 LCDC1 LCD_D1 LCDC2 LCD_D2 SCLK1 SPEAKER_POP/AGC_PD（AGC enable chip） SSN1 SRX1 STX1 RX_SW PWM0 MOTO_EN 或 LAMP(Keypad light) PWM1 LCD_BACK GPO0 P_UL（Indicate frequency lock state） GPO1 5T（TX power control）...
  • Page 15 FP460 Service Manual LCDC14 LCD_D14 LCDC15 LCD_D15 VO or VOX battery voltage detection Simulation of the ADC module voltage RSSI input range is 0 to 3 v BUSY RFIF Simulation of DAC VCCN(TCXO reference voltage) module input voltage （AUXDA ）...
  • Page 16 FP460 Service Manual output MIC input MIC2(headphone MIC input) input amplitude=96mv when 24dB open; input amplitude=1.53V after closed MIC input MIC1(headphone MIC input) input amplitude=96mv when 24dB open; input amplitude=1.53V after closed RXD0 (for GPS) TXD0 (for GPS) RTS0 (for GPS)
  • Page 17 FP460 Service Manual No connection RFIN RF signal input AVDD Power supply No connection RFOUT RF signal output No connection No connection AVDD Power supply PABIAS PA bias supply for PA AVDD Power supply Chip enable, high active; Chip sleep, low active Gpio7/vox(When Gpio7=V , vox is active;...

  • Page 18: Chapter 4 Function Description And Parameter Settings

    FP460 Service Manual Q501 RD01MUS1 Transmitter power amplifier Q202 DTC144EE Audio power amplifier control switch U404 XC6204B502MR The adjustable 5 R, 5 T voltage output IC102 LN2407 1.8V output voltage adjustment IC103 LN2407 3.3V output voltage adjustment Q600 FMMT717 Audio output control switch...
  • Page 19 FP460 Service Manual You can make a call, check the detailed information of the contact, add number, send a Status Inquire call, set the contact as the default contact, and delete the call log under these two items. If the Kill or Revive function is enabled by your dealer, you can also send Radio Enable or Radio Disable command to the contact.
  • Page 20 FP460 Service Manual Contact list You can view the entire Contacts list through Contact menu or the Contact List shortcut key. These contacts can be edited by programming software or by inputting manually. Only the private call contact can be inputted manually.
  • Page 21 FP460 Service Manual Scanning Scan List Add Temp CH Delete Temp CH Scan Off Scan List Each channel can correspond to one scan list by dealer’s programming. Only the channel which is set in the Scan List item can enable scanning. Each scan list includes 16 channels at most, with both digital and analog channel.
  • Page 22 FP460 Service Manual The inbox stores the received messages. If there’s a new message, will be displayed on the home screen; if the inbox is full, will be displayed. If the inbox is full, the earliest received messages will be covered and disappeared after receiving a new message.
  • Page 23 FP460 Service Manual communication, but the battery’s working time will be lessened. refers to high power, refers to low power. Each channel’s power level can be set separately 2）Squelch Level The radio’s squelch level can be set from 0 to 9. If the squelch level is higher, the radio is affected less by noise, but harder to receive weak signal.
  • Page 24 FP460 Service Manual 4.2 Menu in analog mode In analog channel, there are Scan, Channel Info, Settings, APPs and Radio Info in the main menu, the contents of which are the same as on digital channel. (Refer to: Menu in...
  • Page 25 FP460 Service Manual 4.3.4 Messages Enter “Messages” menu, you can edit, send, receive, reply, forward and delete the message. 4.3.5 Shortcut Messages Enter “Messages Shortcut Message” menu, you can edit, send, receive, reply, forward and delete the shortcut message. The content of shortcut messages is set by local dealers.

  • Page 26: Chapter 5 Disassembly For Repair

    CPSc to set parameters on the radio. The programming steps are as following: Install the programming software of FP460 B．Connect the radio to the computer serial port with the specified programming cable,see figure17。...
  • Page 27 FP460 Service Manual battery. Installing the Battery If the radio with belt, ① ease upspring the belt. Install the two bulges at the bottom ② of the battery pack with the corresponding slots at the rear bottom of the radio.
  • Page 28 FP460 Service Manual 5.3 Installing/Removing the Belt Clip Match the grooves of the belt clip to the rear top of the battery, fixed it with two 2.5x8.0 screws. Loosen the two screws fixing clip, you can remove the clip. 5.4 Installing an optional headset When you use an external headset, to open outward headphones cover in the upper right of the radio, plug the external headphone cable into the headset port.
  • Page 29 FP460 Service Manual 5.5 Removing the Back Cabinet from the Chassis (1) Remove the antenna; (2) Remove the knobs; (2) Remove two screws on the knob and the screw on the antenna; (3) Remove the two screws on the back cabinet;...
  • Page 30 FP460 Service Manual (1) Screw off screws on the main board (2) Take down the waterproof cushion in top and use the soldering iron to cut off the antenna connecting point, and then separate the main board (include PTT PCB) from the aluminium alloy chassis.
  • Page 31 FP460 Service Manual 7MHR-4038-06A-W0 FP460 Number Laser carving; characters translucent; 7MHJ-4038-01A-W FP460 Lens 3M9448;Xinlongda; Adhesive 7MHP-4038-02A-WC FP460 lens PC, Transparent high-gloss, silk screen, with 40mm speaker 7GCB-S4038-01A FP460 speaker Nylon mesh; shaped, black; cover Xinlongda; non-lead 7PLJ-4038-E01A FP460 Trademark Transparent PC...
  • Page 32 FP460 Service Manual 3CR7-SMA-50JF-4 RF coaxial SMA-J, Flange mounting,used connectors for 7200 6BPM-784043-07415 Li-poly battery Li-poly battery pack 78mm* pack 40mm*4.3mm×2,7.4V,1500mAh 7MHP-4038-02A-W0 FP460 Cover PC+ABS; Black; texture 7SMF-020080M-MH M2*8 Plum-type Iron and hard, Φ2mm * 8mm HT-N1 Thick Head thick plum-type nickel-plated...

  • Page 33: Chapter 6 Adjustment

    FP460 Service Manual Screw Nickel-plated machine, Metric Coarse, plus drop-resistant treatment 7MHS-4038-04A-W FP460LCD Stand Imports of stainless steel， 0.3mm with shield Thick 4PC7-4038H-A FP460 LCD Imitation translucent, horizontal screen with vertical screen, backlit 42.7mm high, ZhongYiWei, non-lead 7MHM-4038-02A-W9 FP460LCD Foam T=0.5mm Sponge;...

  • Page 34: Chapter7 Major Specification

    FP460 Service Manual Voltage is 6.5V. Rx Part A. Max Volume Set RF of the comprehensive tester to be the center frequency, the single strength to be 1mV and the modulation deviation to be 3.0kHz/1.5kHz (wide/narrow band), and then in PC mode, adjust the value of “Max. Volume” to make the audio power to be 1.0-1.2W.

  • Page 35: Chapter 8 Service And Test Equipment

    FP460 Service Manual 7.2 RX Part Usable sensitivity (12dB SINAD) -121dBm Squelch On sensitivity ≤0.18uV Adjacent Channel Selectivity ≥70dB/≥60dB Intermodulation Rejection ≥65dB Spurious response rejection ≥70dB Audio output power 1W，Balance @ Distortion ≤5, 16Ω Rx current consumption ≤400mA 7.3 TX Part Tx power 4.0W/1.0W @7.4V DC...

  • Page 36: Chapter 9 Troubleshooting

    FP460 Service Manual High sensitivity Measuring range: 50Hz – 10KHz frequency counter Frequency stability: 0.2 ppm or lower Ammeter Audio frequency Frequency range: 50Hz – 10KHz voltmeter Voltage range: 1mv – 10v Audio frequency Frequency range: 50Hz – 5KHz or higher...

  • Page 37: Appendix1 Abbreviation

    FP460 Service Manual range. No signal A. The antenna is in poor contact. Please fasten it. B. The HF amplifying tube Q509 is broken. Please change it. C. The squelch level is too high, so the squelch cannot be opened. Please adjust the squelch level.

  • Page 38: Appendix 2 Electronic Parts List

    Receiver Transmitter Appendix 2 Electronic Parts List Part No. Name Specification Q’ Pulg-in Position 6SS2-4038-HMB FP460 mainboard FP460 mainboard patches parts, patches parts no Pb 6SS1-4038-HMB FP460-02 mainboard 400-470MHZ,FP460-02 patches parts (Version mainboard patches parts, no Pb 0SS1-4038-HMD FP460...
  • Page 39 FP460 Service Manual (production halts) 1IL1-NJM2904V Surface mounting Double arithmetic amplification IC301,IC500 linearity IC NJM2904V,TSSOP-8 1IM1-AT24C512C Surface mounting AT24C512C, manufacture: IC200 memorizer ATMEL, no Pb 1IM1-AT24C512BN (replaceable) 1IM1-DS28E10P Surface mounting Encryption chip, DS28E10P+, U201 memorizer IC no Pb 1IM1-M36LOT7050T3ZA Surface...
  • Page 40 FP460 Service Manual C543 2CC1-10-C0G500-151J flake multilayer 1005,150P±5%,50V,C0G C301,C561 capacitor 2CC1-10-C0G500-180J flake multilayer 1005,18P±5%,50V,C0G C520 capacitor 2CC1-10-C0G500-220J flake multilayer 1005,22P±5%,50V,C0G C313,C314,C518 capacitor 2CC1-10-C0G500-470J flake multilayer 1005,47P±5%,50V,C0G C558,C560 capacitor 2CC1-10-C0G500-4R0C flake multilayer 1005,4P±0.25P,50V,C0G C315,C316,C317,C318,C319, capacitor C320,C321 2CC1-10-C0G500-5R0C flake multilayer 1005,5P±0.25P,50V,C0G C310...
  • Page 41 FP460 Service Manual 2CC1-16-C0G500-1R0C flake multilayer 1608,1P±0.25P,50V,C0G C534 capacitor 2CC1-16-C0G500-1R5C flake multilayer 1608,1.5P±0.25P,50V,C0G C504 capacitor 2CC1-16-C0G500-220J flake multilayer 1608,22P±5%,50V,C0G C502 capacitor 2CC1-16-C0G500-270J flake multilayer 1608,27P±5%,50V,C0G C510 capacitor 2CC1-16-C0G500-2R0C flake multilayer 1608,2P±0.25P,50V,C0G C503 capacitor 2CC1-16-C0G500-3R0C flake multilayer 1608,3P±0.25P,50V,C0G C514,C516 capacitor 2CC1-16-C0G500-3R5C...
  • Page 42 FP460 Service Manual 2LL1-16-12NJ R multi-layer inductance 1608,12nH±5%(MLG1608B12N L511 J/LL1608-FH12N) 2LL1-16-18NJ R multi-layer inductance 1608,18nH±5%(MLG1608B18N L509 2LL1-16-3N3S multi-layer inductance 1608,3.3nH±0.3nH(MLG1608B3 L504 N3S) 2LW1-16UC-270J R Surface mounting wire 1608, 27nH±5%, Ceramic core L3,L6 wound inductance (C1608CB-27NJ) 2LW1-16UC-680J R Surface mounting wire 1608,68nH±5%, Ceramic core...
  • Page 43 FP460 Service Manual 7,R538,R539,R544,R545,R54 7,R551,R560,R622,R623 2RS1-10-103J R Chip Resistor 1005,10K±5% R100,R103,R110,R114,R226, R235,R245,R307,R314,R400, R601,R613,R616,R617 2RS1-10-104J R Chip Resistor 1005,100K±5% R107,R220,R221,R224,R225, R229,R231,R232,R233,R234, R309,R311,R324,R325,R326, R402,R403,R549 2RS1-10-105J R Chip Resistor 1005,1M±5% R526 2RS1-10-152J R Chip Resistor 1005,1.5K±5% R507 2RS1-10-153J R Chip Resistor 1005,15K±5% R302,R304,R542...
  • Page 44 FP460 Service Manual 2RS1-10-823J R Chip Resistor 1005,82K±5% R509 2RS1-16-000O R Chip Resistor 1608,0Ω L7,L100,L103,L105,L108,L10 9,L111,L510 2RS1-16-153J R Chip Resistor 1608,15K±5% R515 2RS1-20-000O R Chip Resistor 2012,0Ω C337,L104 2RS1-32-000O R Chip Resistor 3216,0Ω±5% F100 2RS1-32-R47J R Chip Resistor 3216,0.47Ω±5% R520,R521,R522...

  • Page 45: Appendix 3 Spare Parts List (Structure Part)

    FP460 keyborad layer board, DP460U-KEY-121205, thickness:0.6MM, Material:FR-4,46.6X40MM, Appendix 3 Spare Parts List (Structure Part) 0SS3-4038-HMB FP460 mainframe assemble FP460 mainframe assemble ,Lead free (PCB D Version） 7MHP-4038-02A-W0 FP460 Top Cover Material :PC+ABS; black;texturing;Guokai; Lead free 7MHP-4038-03A-W0 FP460 Volume Knob Material:ABS;black;texturing,white painted;Guokai;Lead free...
  • Page 46 FP460 Service Manual ead free 7MHR-4038-04A-W0 FP460 top waterproof Material :silica;black;polishing;Mingkun;L ead free 7MHR-4038-05A-W0 FP460 spring contact socket Material :silica;black;polishing;Mingkun;L ead free 7MHR-4038-06B-W0 FP460 Keypad Material :ABS/stainless steel/silica gel;laser carving;character translucidus;Jiaxinde;Lead free,silk printed 7MHS-4038-01A-W FP460 keypad metal dome Metal :φ4mm,SUS301...
  • Page 47 4SS7-4005-016-100C Speaker 7200,6500，S780， 11.3.25 craft changed,Φ40, impedance S785，FP460，S765,567 16Ω,Power1W, Supplier:Fushengda, Lead free 6SS3-BJ4038-A KBJ-17 Belt Clip FP460 Belt Clip, Lead free 0SS3-4038-A KBJ-17 Belt Clip Jacking PC+ABS,black , for FP460 7MJP-4038-01B-W0 KBJ-17 Belt Clip Material, black, PC+ABS; black ,thickened and enhanced, Mingli,...

  • Page 48: Appendix 4 Accessories Reference List

    SUS304, passed 48H salt spray test, Lead free Appendix 4 Accessories reference List Accessories Quantity Antenna Belt Clip Earphone Cover Screw Battery Charger Adaptor Instruction Book Warranty Card Sling Charger Battery Belt Clip Antenn Sling Adaptor Figure1 FP460 Schematic Pane Diagram Page 47 of 53...
  • Page 49 FP460 Service Manual Page 48 of 53...
  • Page 50 FP460 Service Manual Page 49 of 53...
  • Page 51 FP460 Service Manual Page 50 of 53...

  • Page 52: Figure2 Fp460 Top Board Position Mark Diagram

    FP460 Service Manual Figure2 FP460 Top Board Position Mark Diagram Page 51 of 53...

  • Page 53: Figure3 Fp460 Bottom Board Position Mark Diagram

    FP460 Service Manual Figure3 FP460 Bottom Board Position Mark Diagram Page 52 of 53...

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