Kenwood TK-5210 Service Manual
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Kenwood TK-5210 Service Manual

Kenwood TK-5210 Service Manual

Vhf p25 transceiver
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Document Copyrights
Copyright 2006 by Kenwood Corporation. All rights reserved.
No part of this manual may be reproduced, translated, distributed, or transmitted in any
form or by any means, electronic, mechanical, photocopying, recording, or otherwise, for
any purpose without the prior written permission of Kenwood.
Disclaimer
While every precaution has been taken in the preparation of this manual, Kenwood
assumes no responsibility for errors or omissions. Neither is any liability assumed for
damages resulting from the use of the information contained herein. Kenwood reserves
the right to make changes to any products herein at any time for improvement purposes.

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Summary of Contents for Kenwood TK-5210

  • Page 1 Kenwood. Disclaimer While every precaution has been taken in the preparation of this manual, Kenwood assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. Kenwood reserves...

  • Page 2: Table Of Contents

    (A02-3875-01) (4key) (DTMF) Key top (A02-3877-11) (A02-3879-11) (DTMF) (K29-9321-13) TK-5210 K TK-5210 K2 TK-5210 K3 Does not come with antenna. Antenna is available as an option. CONTENTS GENERAL ............... 2 PC BOARD SYSTEM SET-UP ........... 2 TX-RX UNIT (X57-6820-XX) ......56 REALIGNMENT ............

  • Page 3: General

    TK-5210 GENERAL / SYSTEM SET-UP INTRODUCTION NOTE SCOPE OF THIS MANUAL You must use KPG-95D version 4.00 or later for transceiv- This manual is intended for use by experienced technicians ers with hardware version 2.0; KPG-95D versions 1.XX to familiar with similar types of commercial grade communications 3.XX will not work properly.

  • Page 4: Realignment

    TK-5210 REALIGNMENT 1. Modes 2. How to Enter Each Mode Mode Operation User mode User mode Power ON ∗ ∗ ∗ Panel test mode 2 Press and hold the [Side3] and [PTT] keys Panel test mode Panel tuning mode while turning the transceiver power ON and then release the [PTT] key first.
  • Page 5 TK-5210 REALIGNMENT 5-4. KCT-53U description (USB adapter : Option) 5. PC Mode The KCT-53U is a cable which connects the KPG-36A to a 5-1. Preface USB port on a computer. The transceiver is programmed by using a personal com- When using the KCT-53U, install the supplied CD-ROM puter, programming interface (KPG-36/36A), USB adapter (with driver software) in the computer.
  • Page 6 TK-5210 REALIGNMENT 3. Set the firmware to be updated by File name item. 2. When you enter the correct password, and “CLONE MODE” 4. Press and hold the [Side3] and [PTT] keys while turning is displayed, the transceiver can be used as the cloning the transceiver power ON and then release the [Side3] key source.
  • Page 7 TK-5210 REALIGNMENT ■ Clone operation depending on hardware and • RX frequency • TX frequency firmware versions • Channel type When Clone is executed between transceivers using • TX mode (When the channel type is selected "MIXED".) different versions of hardware and firmware, the Clone •...
  • Page 8 TK-5210 REALIGNMENT Key operation Item Zone-Channel RX Frequency TX Frequency Channel Type TX Mode Channel Spacing RX Signaling TX Signaling Go to the next item 2.5kHz/5kHz/6.25kHz/ Zone/Channel QT/DQT(N)/DQT(I)/OFF 7.5kHz/1MHz Unused switching switching step switching Zone/Channel ANALOG/P25/MIXED ANALOG/P25 Channel spacing 1 step down...
  • Page 9 TK-5210 REALIGNMENT ● Self programming mode flow chart [Side2] + [PTT] + POWER ON Release [PTT] Input Password Read authorization password entry (6 digits) Self programming mode Zone/Channel Zone selection Channel selection When the [Side3] key is pressed, new data is written into memory.
  • Page 10 TK-5210 REALIGNMENT 9. Firmware Version Information (K2 and K3 models only) Press and hold the [Side3] key while turning the transceiver power ON and then keep pressing and holding the [Side3] key, the firmware version information appears on the LCD.

  • Page 11: Disassembly For Repair

    TK-5210 DISASSEMBLY FOR REPAIR ■ Removing the CONTROL PCB (X57-682 B/5) Disassembly Procedure from the chassis. ■ Removing the front case from the chassis. 1. Remove the six screws 1. Remove the rear panel with a flat-head screwdriver. Insert the screwdriver between the rear panel (right side) CONTROL PCB and the chassis (the place next to the "...
  • Page 12 TK-5210 DISASSEMBLY FOR REPAIR ■ Removing the top panel from the chassis. Precautions for Reassembly ç √ 1. Remove the volume knob and channel knob ■ Installing the VOL/CH FPC and CONTROL-TOP ∫ 2. Remove the concentric switch knob FPC on the TOP PCB 3.
  • Page 13 TK-5210 DISASSEMBLY FOR REPAIR 7. Insert the VOL/CH FPC and the CONTROL-TOP FPC 2. Fit the two tabs on the right side of the holder and the into the connectors (CN902, CN903) of the TOP PCB. two tabs on the left side of the holder into the 8.
  • Page 14 TK-5210 DISASSEMBLY FOR REPAIR ■ Top Packing (G53-1638-04) Installation Procedure 2. Tighten the two screws from the TX-RX PCB side. 1. Ensure that the hardware fixture is first secured to the chassis. Two screws 2. Hook the packing (coated with silicon oil) in the upper left...
  • Page 15 TK-5210 DISASSEMBLY FOR REPAIR 3. Remove the separation paper (white) from the sheet in 6. Fix the two hardware fixtures with the hexagon nut step 1 , then attach the LCD ASSY to the sheet. 7. Apply bond (Three Bond 1401C) to the tip of the lever 4.

  • Page 16: Circuit Description

    TK-5210 CIRCUIT DESCRIPTION 2nd IF of 450KHz. The 450KHz signal is then passed through 1. Overview a ceramic filter (CF201) and fed back into IC204 for additional This transceiver is a VHF/FM/P25 portable transceiver amplification. designed to operate in the frequency range of 136 to...
  • Page 17 TK-5210 CIRCUIT DESCRIPTION 3-5. Audio Amplifier Circuit 3-6. Squelch Circuit • AF signal It amplifies the demodulated noise signal from FM IC The AF signal from CODEC (IC406) is amplified by IC407 (IC204) after filtering through BPF circuit. Then, the amplified and goes through IC408.
  • Page 18 TK-5210 CIRCUIT DESCRIPTION 4-3. Transmit Signal Amplification Circuit (Q407) adjusts the signal path so that the audio signal is input to the CODEC through the scrambler board. (From T/R switch to Final amplifier) The audio signal is input to the CODEC (base band circuit) The transmit signal passing through the T/R switch through the above path.
  • Page 19 TK-5210 CIRCUIT DESCRIPTION difference increases when the set frequency is changed. To 5. PLL Frequency Synthesizer supplement this, the rheostat is used before control by the The PLL Frequency Synthesizer consists of the following PLL IC to bring the VCO oscillation frequency close to the components: desired frequency.
  • Page 20 It corrects the LCD contrast voltage using IC704. The mode. voltage corresponding to the temperature is sent to pin 3 of The TK-5210 realizes this function using DSP (IC8). IC704 from the CPU (IC5) according to the temperature measurement results using a temperature IC (IC4).
  • Page 21 9. Compander Circuit The term “compander” means compressor and expander. The compander reduces noise by utilizing a compressor and an expander. The TK-5210 contains DSP(IC8) to perform this operation. The TK-5210 compander can be turned on or off using the FPU.

  • Page 22: Terminal Function

    TK-5210 TERMINAL FUNCTION TX-RX unit (X57-6820-XX A/5) Name Function Name Function Switched B output CN15 (for production) 1~20 Data set ready CN19 (K2 and K3 models only) LCD chip select Serial data input Serial data Output I/O Data bus 0...
  • Page 23 TK-5210 TERMINAL FUNCTION Name Function Name Function CH_A Rotary switch input 1 TGL1 Concentric switch output 1 3.3V 3.3V CH_B Rotary switch input 2 CH_A Rotary switch output 1 2.5V 3.3V CH_C Rotary switch input 3 CH_B Rotary switch output 2 1.5V...
  • Page 24 TK-5210 TERMINAL FUNCTION Option board unit (X57-6820-XX D/5) Name Function Name Function Vout Raising voltage output 3.3V CN901 OPT1 Scramble code input 1 (Scrambler board) No connection Channel busy (ANI board) Busy (VGS-1) I/O Data bus 7 OPT3 Scramble code input 2 (Scrambler board)
  • Page 25 TK-5210 TERMINAL FUNCTION Top panel unit (X57-6820-XX C/5) Name Function CN902 3.6V S36M 3.6V Volume level input 3.3V CH_A Rotary switch input 1 TGL2 Concentric switch input 2 TGL1 Concentric switch input 1 CH_B Rotary switch input 2 CH_D Rotary switch input 4...

  • Page 26: Semiconductor Data

    TK-5210 SEMICONDUCTOR DATA CPU:30625MGP346HU (TX-RX unit IC 5) Port Name Function Port Name Function HLDA No connection BATT DET I(A/D) Battery detection terminal Wide/Narrow ceramic filter switching (L:Narrow, H:Wide) NC(ANEX0) NC (For expansion A/D) LCDV O(D/A) LCD contrast adjustment Wide,Narrow/P25 ceramic filter...
  • Page 27 TK-5210 SEMICONDUCTOR DATA Shift Register:BU4094BCF (TX-RX unit IC701) Port Name Function Port Name Function FRST Flash memory reset output No connection STRB Latch clock input Data bus 7 DATA Serial data input Data bus 6 Serial clock input Data bus 5...

  • Page 28: Components Description

    TK-5210 COMPONENTS DESCRIPTION TX-RX unit (X57-6820-XX A/5) Ref. No. Part name Description Q110 SPDT EXT/INT switch Ref. No. Part name Description Q111 Transistor 3.3V➝5V level converter RTC IC Q201 Transistor Ripple filter EEPROM Q202 RF AMP Voltage DET Q204 IF AMP...
  • Page 29 TK-5210 COMPONENTS DESCRIPTION Control unit (X57-6820-XX B/5) Top Panel unit (X57-6820-XX C/5) Ref. No. Part name Description Ref. No. Part name Description IC601,602 Audio AMP D901 TX/RX LED IC603 OP AMP (AF Pre-AMP/TX AF AMP) IC604 AF mute switch IC606...

  • Page 30: Parts List

    E: Europe Les articles non mentionnes dans le Parts No. ne sont pas fournis. Y: AAFES (Europe) X: Australia M: Other Areas Teile ohne Parts No. werden nicht geliefert. TK-5210 (Y50-5950-XX) Ref. No. Address Parts No. Description Destination Ref. No.
  • Page 31 TK-5210 PARTS LIST TX-RX UNIT (X57-6820-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts C121 CK73HB1H102K CHIP C 1000PF K TX-RX UNIT (X57-6820-XX) -10 :K -11 :K2 -12 :K3 C122 CC73GCH1H040B CHIP C 4.0PF...
  • Page 32 TK-5210 PARTS LIST TX-RX UNIT (X57-6820-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts C223 CK73HB1H102K CHIP C 1000PF K C331 CK73HB1H102K CHIP C 1000PF K C225 CC73GCH1H060B CHIP C 6.0PF C333...
  • Page 33 TK-5210 PARTS LIST TX-RX UNIT (X57-6820-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts C417,418 CK73GB0J475K CHIP C 4.7UF C529 CK73HB1H102K CHIP C 1000PF K C419 CK73FB0J106K CHIP C 10UF C601 CK73HB1A104K CHIP C 0.10UF K...
  • Page 34 TK-5210 PARTS LIST TX-RX UNIT (X57-6820-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts E40-5856-05 FLAT CABLE CONNECTOR L125,126 L34-4577-05 AIR-CORE COIL ∗ CN14 E40-6357-05 PIN ASSY L201 L34-4820-05 COIL ∗ CN15...
  • Page 35 TK-5210 PARTS LIST TX-RX UNIT (X57-6820-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts R90-0745-05 MULTIPLE RESISTOR RK73HB1J103J CHIP R J 1/16W R90-0743-05 MULTIPLE RESISTOR RK73HB1J474J CHIP R 470K J 1/16W CP8 ,9...
  • Page 36 TK-5210 PARTS LIST TX-RX UNIT (X57-6820-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts R303 RK73HB1J102J CHIP R 1.0K J 1/16W R156 RK73HB1J272J CHIP R 2.7K J 1/16W R306 RK73HB1J101J CHIP R...
  • Page 37 TK-5210 PARTS LIST TX-RX UNIT (X57-6820-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts R410 RK73HB1J223J CHIP R J 1/16W R478 RK73HB1J474J CHIP R 470K J 1/16W R411 RK73HH1J154D CHIP R 150K...
  • Page 38 TK-5210 PARTS LIST TX-RX UNIT (X57-6820-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts R591 RK73HB1J470J CHIP R J 1/16W R767 RK73HH1J223D CHIP R D 1/16W K2,K3 R592 RK73HB1J000J CHIP R J 1/16W...
  • Page 39 TK-5210 PARTS LIST TX-RX UNIT (X57-6820-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts D801 1SS301 DIODE IC807 TK11250CUCB MOS-IC D802 HRB0502A DIODE IC808 XC9101D09AKR ANALOGUE IC D803,804 DA221 DIODE D805 CUS01...

  • Page 40: Exploded View

    TK-5210 EXPLODED VIEW (TK-5210 K) Control PCB (X57 B/5) 46x2 Top PCB (X57 C/5) TX-RX PCB (X57 A/5) A :N08-0531-14 CF202 Option PCB B :N09-2439-25 (X57 D/5) 62 40 C :N09-2440-15 D :N09-2441-15 XF201 E :N09-2442-15 ANT PCB (X57 E/5)
  • Page 41 TK-5210 EXPLODED VIEW (TK-5210 K2, K3) 76x2 Control PCB (X57 B/5) 46x2 40x2 Top PCB (X57 C/5) A :N08-0531-14 CF202 B :N09-2439-25 TX-RX PCB C :N09-2440-15 (X57 A/5) 62 40 D :N09-2441-15 E :N09-2442-15 XF201 Option PCB (X57 D/5) F :N09-2443-14...

  • Page 42: Packing

    TK-5210 PACKING 18. INSTRUCTION MANUAL (ENGLISH) (B62-1796-00) 15. PAMPHLET (B59-2390-00) 16. SUB-INSTRUCTION MANUAL(QRC/ENGLISH) (B59-2393-00) 19. INSTRUCTION MANUAL 17. SUB-INSTRUCTION MANUAL(QRC/FRENCH) (FRENCH) (B59-2439-00) M. PAN HEAD (B62-1871-00) MACHINE SCREW (N30-3008-60) x2 65. BELT CLIP (J29-0710-35) A. DRESSED SCREW(CAP) (N08-0531-14) 8. CAP(SP/MIC) (B09-0682-13) 35.

  • Page 43: Adjustment

    TK-5210 ADJUSTMENT • Key operation Controls Function Display Selector [Selector] Test frequency channel up/down Channel No. Volume [Concentric switch] Channel spacing switching Wide :"W" Concentric Switch (Position "A":Wide, Narrow :"N" Position "B":Narrow, P25 :"A" Position "C":P25) Side 1 key [Lever switch] RF output power switching Low power :"LO"...
  • Page 44 TK-5210 ADJUSTMENT ■ Frequency and Signaling Panel Tuning Mode (K2 and K3 models only) The transceiver has been adjusted for the frequencies The transceiver is adjusted in this mode. shown in the following table. When required, readjust them For the K model (without LCD), perform "Tuning mode"...
  • Page 45 TK-5210 ADJUSTMENT • Key operation • 3 or 5 reference level adjustments frequency Function Tuning point Display RX (MHz) TX (MHz) [Selector] Unused 136.10000 136.00000 [Concentric switch] Channel spacing switching (Position "A": Wide, Low' 145.60000 145.50000 Position "B": Narrow, Position "C": P25) Center 155.10000...
  • Page 46 TK-5210 ADJUSTMENT ADJUSTMENT ■ Flow Chart Panel Test Mode [Side 3] [Side 3] (Panel Tuning Mode) [Side 1] 3 reference level [Side 1] 5 reference level RX V Assist adjustments adjustments [Side 1] [Side 1] 5 reference level Center TX V Assist...
  • Page 47 C4FM (P25) Deviation Adjustment 1. The Panel Test Mode is used to measure the BER (Refer 1. The TK-5210 adjusts the deviation between High Devia- to "Test mode operation features" described on page 42.). tion ±1800Hz for the C4FM (P25).
  • Page 48 TK-5210 ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Specifications Standard Signal Generator Frequency Range 136 to 174MHz (SSG) Modulation Frequency modulation and external modulation Output -127dBm/0.1µV to greater than -47dBm/1mV Power Meter Input Impedance 50Ω Operation Frequency 136 to 174MHz...
  • Page 49 TK-5210 ADJUSTMENT ADJUSTMENT • Panel tuning How to Remove the Flat Cable 1. Gently draw out both sides of the connector lever uni- formly in the direction of the arrow with tweezers. (CN7, CN19, CN604, CN751, CN752, CN753) CN19, CN604, CN751: K2 and K3 models only...
  • Page 50 TK-5210 ADJUSTMENT Common Section Measurement Adjustment Item Condition Test- Specifications/Remarks Unit Terminal Unit Parts Method equipment 1. Setting 1) BATT terminal voltage:7.5V 2) SSG standard modulation [Wide] MOD:1kHz,DEV:3kHz [Narrow] MOD:1kHz,DEV:1.5kHz 2. Assist [Panel tuning mode] Power meter Panel Panel [C],[D] Change the 1.88V±0.1V...
  • Page 51 TK-5210 ADJUSTMENT Measurement Adjustment Item Condition Test- Specifications/Remarks Unit Terminal Unit Parts Method equipment REF 0.0 dBm ATT 10dB A_Write Norm B_Blank 5) Adj item:[C RX Front-end] Spectrum Panel Panel [C],[D] Change the 10dB/ CENTER Spectrum analyzer setting analyzer TX-RX...
  • Page 52 TK-5210 ADJUSTMENT Measurement Adjustment Item Condition Test- Specifications/Remarks Unit Terminal Unit Parts Method equipment 4. MIC 1) Adj item:[Mic Sense] Deviation Panel Adjust AG input 15mV±3.5mV sensitivity Adjust:[129] meter Universal to get a standard Note:The SSW terminal check PTT:ON Oscilloscope connector MOD., 3.0kHz.
  • Page 53 TK-5210 ADJUSTMENT Measurement Adjustment Item Condition Test- Specifications/Remarks Unit Terminal Unit Parts Method equipment 7. P25 high 1) Adj item:[A APCO Hi Dev] Power meter Panel Panel [C],[D] 2827Hz 2771~2883Hz deviation Adjust:[***] Deviation Universal adjust Deviation meter filter meter connector...
  • Page 54 TK-5210 ADJUSTMENT Measurement Adjustment Item Condition Test- Specifications/Remarks Unit Terminal Unit Parts Method equipment 10.DTMF 1) Adj item:[W DTMF Dev] Power meter Panel Panel [C],[D] 3.0kHz ±50Hz deviation Adjust:[***] Deviation Universal adjust Deviation meter filter meter connector •Wide LPF:15kHz Oscilloscope...
  • Page 55 TK-5210 ADJUSTMENT Receiver Section Measurement Adjustment Item Condition Test- Specifications/Remarks Unit Terminal Unit Parts Method equipment 1. AF level [Panel test mode] Panel Panel Volume Turn the Volume 0.63V±0.1V Setting 1) CH-Sig:1-1 Universal Knob Knob to obtain SSG output:-47dBm(1mV) AF VTVM connector 0.63V AF output.
  • Page 56 TK-5210 ADJUSTMENT Measurement Adjustment Item Condition Test- Specifications/Remarks Unit Terminal Unit Parts Method equipment 5. Squelch 1) Adj item:[W Squelch(9)] Panel Panel After input After adjusting SQL, (Tight) Adjust:[***] AF VTVM Universal signal from SSG, check SQL open/close. adjust 2) Adj item:[WL Squelch(9)]t...

  • Page 57: Pc Board

    TK-5210 PC BOARD TX-RX UNIT (X57-6820-XX) (A/5) : TX-RX section -10 : K -11 : K2 -12 : K3 Component side view (J72-0926-49 A/5) XF201 J72-0926-49 A/5 C205 C253 C250 C248 R239 R159 C204 R294 L216 L218 D109 R235 R237...
  • Page 58 TK-5210 PC BOARD TX-RX UNIT (X57-6820-XX) (A/5) : TX-RX section -10 : K -11 : K2 -12 : K3 Component side view (J72-0926-49 A/5) R539 D303 L321 C363 R555 MAND C374 R556 C495 Q313 L308 L318 R427 R345 IC13 C491...
  • Page 59 TK-5210 TK-5210 PC BOARD PC BOARD TX-RX UNIT (X57-6820-XX) (A/5) : TX-RX section TX-RX UNIT (X57-6820-XX) (A/5) : TX-RX section -10 : K -11 : K2 -12 : K3 Component side view (J72-0926-49 A/5) -10 : K -11 : K2 -12 : K3 Component side view (J72-0926-49 A/5)
  • Page 60 TK-5210 PC BOARD TX-RX UNIT (X57-6820-XX) (A/5) : TX-RX section -10 : K -11 : K2 -12 : K3 Foil side view (J72-0926-49 A/5) R310 IC301 R81 R575 C312 R573 CP11 CP16 CP18 R306 CP12 CP14 CP15 IC14 C343 +...
  • Page 61 TK-5210 PC BOARD TX-RX UNIT (X57-6820-XX) (A/5) : TX-RX section -10 : K -11 : K2 -12 : K3 Foil side view (J72-0926-49 A/5) R103 R158 C184 C343 + C103 Q102 C112 R112 R101 R110 C387 D210 C142 L102 F401...
  • Page 62 TK-5210 TK-5210 PC BOARD PC BOARD TX-RX UNIT (X57-6820-XX) (A/5) : TX-RX section TX-RX UNIT (X57-6820-XX) (A/5) : TX-RX section -10 : K -11 : K2 -12 : K3 Foil side view (J72-0926-49 A/5) -10 : K -11 : K2 -12 : K3 Foil side view (J72-0926-49 A/5)
  • Page 63 TK-5210 PC BOARD TX-RX UNIT (X57-6820-XX) (B/5) : Control section -10 : K -11 : K2 -12 : K3 Component side view (J72-0926-49 B/5) CN603 R721 J72-0926-49 B/5 TX-RX UNIT (X57-6820-XX) (C/5) : Top section -10 : K -11 : K2 -12 : K3 Component side view (J72-0926-49 C/5) Ref.

  • Page 64: Tx-Rx Unit (X57-6820-Xx)

    TK-5210 PC BOARD Ref. No. Address D705 D706 D707 D708 D709 D711 D712 D713 D715 D716 D723 Component side Layer 1 Layer 2 Layer 3 Layer 4 Layer 5 Layer 6 Foil side TX-RX UNIT (X57-6820-XX) (D/5) TX-RX UNIT (X57-6820-XX) (E/5)
  • Page 65 TK-5210 TK-5210 PC BOARD PC BOARD TX-RX UNIT (X57-6820-XX) (B/5) : Control section -10 : K -11 : K2 -12 : K3 Component side view (J72-0926-49 B/5) Ref. No. Address D705 D706 D707 D708 D709 D711 D712 D713 D715 D716...
  • Page 66 TK-5210 PC BOARD TX-RX UNIT (X57-6820-XX) (B/5) : Control section -10 : K -11 : K2 -12 : K3 Foil side view (J72-0926-49 B/5) TP912 CN601 IC704 C769 D604 L706 R762 R763 R621 C621 C628 CN604 C604 R618 R626 C623...
  • Page 67 TK-5210 PC BOARD Ref. No. Address Ref. No. Address Ref. No. Address IC601 Q601 D608 IC602 Q605 D609 CN751 IC603 Q606 D701 IC604 Q607 D702 IC606 Q608 D703 R634 C760 C759 C751 R767 Q610 IC701 Q609 D704 C762 C761 C752...
  • Page 68 TK-5210 TK-5210 PC BOARD PC BOARD TX-RX UNIT (X57-6820-XX) (B/5) : Control section -10 : K -11 : K2 -12 : K3 Foil side view (J72-0926-49 B/5) TP912 CN601 IC704 C769 Ref. No. Address Ref. No. Address Ref. No. Address...

  • Page 69: Schematic Diagram

    TK-5210 SCHEMATIC DIAGRAM TX-RX UNIT :TX-RX SECTION(X57-6820-XX)(A/5) DQ11 DQ13 BATT DETECT FLASH ROM DQ15/A-1 BATT GND(Y) VSS1 +B(Y) TC7S08FU 1 INB F401 7.5V 3.15A L401 2 INA 3 GND OUTY VSS2 BUFFER REVERSE PROTECTION POWER CAE3 R538 470k 1000p 33M(Y)
  • Page 70 TK-5210 SCHEMATIC DIAGRAM TX-RX UNIT :TX-RX SECTION(X57-6820-XX)(A/5) POWER 15D(Y) 33A(Y) BDX1 BFSX1 SRESET DVSS7 CVSS9 BCLKX1 0.01u DVDD5 CVSS8 CVDD5 INT3 INT2 INT1 INT0 INT0 HBIL IACK BDX2 BDX2 BDX0 SDTI DVSS6 POWER CVDD6 DVDD4 CVSS10 HRDY HDS1 BFSX2 BFSX2...
  • Page 71 TK-5210 SCHEMATIC DIAGRAM TX-RX UNIT :TX-RX SECTION(X57-6820-XX)(A/5) POWER POWER OPTION Q404,405 DETECTION AUTO GAIN CONTROL D402 RB706F-40 R413 C422 OP AMP IC407 Q404 0.1u R456 TC75W51FK 2SC4738(GR) D403 SWITCH RB706F-40 R415 IC408 C423 TC7W66FK R455 R463 1 IN_oUT1 Q405 0.1u...
  • Page 72 TK-5210 SCHEMATIC DIAGRAM TX-RX UNIT :TX-RX SECTION(X57-6820-XX)(A/5) POWER OPTION C415 RX SUMMING AMP 0.1u IC418 TC75S51FE D/A CONVERTER R563 R905 IC411 3.3k M62364FP-F R569 OP AMP 100k VIN1 VIN8 IC412 TC75W51FK VOUT1 VOUT8 C950 R414 C456 R521 R906 VOUT2 VOUT7 C484 6.8k...
  • Page 73 TK-5210 SCHEMATIC DIAGRAM TX-RX UNIT :TX-RX SECTION(X57-6820-XX)(A/5) R369 IC414 RIPPLE FILTER MCP41100T RHEOSTAT 14.51V 13.75V 7.17V Q315 SWITCH 2SC4617(S) R306 Q415 SSM6L05FU BYPASS IC301 DIODE LMC7101BIM5 D314 DA221 OUTPUT 5M(Y) RIPPLE FILTER 1.48V R311 INPUT+ INPUT- IC520 TK11250CUCB 3.22V R360...
  • Page 74 TK-5210 SCHEMATIC DIAGRAM TX-RX UNIT :TX-RX SECTION(X57-6820-XX)(A/5) 3.32V RIPPLE FILTER Q309 4.27V Q307 SWITCH 4.98V Q308 2SJ347 R:0V 2SC4617(S) SSM6L05FU L313 T:4.19V R:4.26V R368 T:0V C343 10u6.3 R345 SWITCH L318 R339 150k 220n BUFFER AMP D303,306,308,309 RX VCO 3.91V Q313...
  • Page 75 TK-5210 SCHEMATIC DIAGRAM TX-RX UNIT :TX-RX SECTION(X57-6820-XX)(A/5) T:7.2V(H) 7.4V(L) R:0V T:1.71V(H) C120 T:4.94V 1.34V(L) L104 L105 RF AMP C112 R112 C113 R103 R:0V R:0V R:0V 1.8n Q102 1000p T:2.40V T:4.74V T:0.86V LOCAL SW 2SC5192-A Q103 C385 R356 C386 D101 C103...
  • Page 76 TK-5210 SCHEMATIC DIAGRAM TX-RX UNIT :TX-RX SECTION(X57-6820-XX)(A/5) D106,107 ANTENNA SW SPDT RF ANT(Y) D106 IC102 T:7.2V(H) R:0V R:0V MASWSS0006 7.4V(L) T:1.60V T:0.8V HVC131 C193 C194 C162 L119 CN101 T:2.49V(H) Q105 L111 R158 L113 C192 D107 C148 L116 L118 C158 1000p 1.85V(L)
  • Page 77 TK-5210 SCHEMATIC DIAGRAM TX-RX UNIT :TX-RX SECTION(X57-6820-XX)(A/5) TX-RX UNIT :CONTROL SECTION(X57-6820-XX)(B/5) X57-6820-XX CN19 R491 R492 R493 R494 R495 R496 R497 R498 R501 R503 R517 X57-6820-XX CN604 IC704 L706 E41-1634-05 E41-1634-05 LMC7101BIM5 L92-0446-05 E41-1634-05 E41-1634-05 LMC7101BIM5 L92-0446-05 X57-6820-XX R762 R763 R764...
  • Page 78 TK-5210 SCHEMATIC DIAGRAM TX-RX UNIT :CONTROL SECTION(X57-6820-XX)(B/5) X57-6820-XX CN751 D701 D702 D703 L704 L705 R701 R702 R703 E40-6337-05 IMN10 IMN10 L92-0446-05 L92-0446-05 E40-6337-05 IMN10 IMN10 IMN10 L92-0446-05 L92-0446-05 X57-6820-XX R704 R705 R706 R707 R708 R709 R710 R711 R712 R713 R714...
  • Page 79 TK-5210 SCHEMATIC DIAGRAM TX-RX UNIT :CONTROL SECTION(X57-6820-XX)(B/5) X57-6820-XX D704 D705 D706 D707 D708 D709 D711 D712 D713 D715 D716 B30-2171-05 B30-2171-05 B30-2261-05 B30-2261-05 IMN10 B30-2171-05 B30-2171-05 B30-2171-05 B30-2171-05 B30-2261-05 B30-2171-05 B30-2171-05 B30-2261-05 B30-2171-05 B30-2171-05 X57-6820-XX D717 D720 D723 Q705 Q706...
  • Page 80 TK-5210 SCHEMATIC DIAGRAM TX-RX UNIT :CONTROL SECTION(X57-6820-XX)(B/5) CN603 INT SP L606 VOLTAGE REGULATOR TP903 D803 IC801 3.76V XC6204B332M 3.32V REVERSE L607 33M(Y) R805 PROTECTION VOUT INT MIC (MAIN) D803 DA221 TP904 IC802 3.73V 3.3V XC6204B332M 33A(Y) R806 VOUT D804 DA221...
  • Page 81 TK-5210 SCHEMATIC DIAGRAM ● Note : The components marked with a dot ( ) are parts of layer1. TX-RX UNIT :TX-RX SECTION(X57-6820-XX)(A/5) D106,107 POWER POWER POWER POWER 3.32V RIPPLE FILTER ANTENNA SW SPDT 4.98V Q307 Q308 4.27V 2SJ347 Q309 SWITCH...

  • Page 82: Interconnection Diagram

    TK-5210 INTERCONNECTION DIAGRAM...

  • Page 83: Block Diagram

    TK-5210 BLOCK DIAGRAM CONCENTRIC SELECTOR X57-6820-XX C/5 KNOB X57-6820-XX B/5 (Control Unit) CH_A TGL0 IC704 CH_B LMC7101BIM5 7.8-8.9V CH_C CH_D TGL1 LCDV TGL2 ORANGE X57-6820-XX A/5 (TX-RX Unit) BUSY D901 Q703 Q704 16key POWER SW/ SSM6L05FU SSM6L05FU Volume matrix Q706...
  • Page 84 TK-5210 BLOCK DIAGRAM X57-6820-XX A/5 TX : 272.00 - 348.00 MHz (TX-RX unit) VCO Vdd TX : 136.00 - 174.00 MHz RX : 371.90 - 447.90 MHz F401 FUSE TX VCO IC402 Q308,Q309 Q313 IC304 D102,D210 Q314 Q101 Q102 LOOP Filter...
  • Page 85 TK-5210 BLOCK DIAGRAM Main ANT EXT ANT TX/RX :136.00 - 174.00 MHz Q103 Q105 RD01MUS1 RD07MVS1 D106/D107/D108/D109 IC102/IC103 Drive AMP Final AMP HVC131 x4 MASWSS0181 x2 X57-6820-XX E/5 Q110 EXT ANT 2SJ243 IC101 Lo1 : 185.95 - 223.95MHz TA75W01FU RX : 136 - 174 MHz...

  • Page 86: Level Diagram

    TK-5210 LEVEL DIAGRAM Receiver Section RF (Center Frequency) IF1 (49.95MHz) Mode : Wide IC102&103 Q202 IC202 Q204 IC204 C158&159 C204 C230 C246 C250 C261 FM-IC 12dB SINAD (dBm) -122.9 -123.6 -124.3 -115.8 -113.0 -118.1 -112.0 IF2 (450kHz) CF202 Mode : Wide...

  • Page 87: Optional Accessories

    TK-5210 OPTIONAL ACCESSORIES KNB-31A (Ni-Cd 7.2V 1700mAh) KNB-33L (Li-ion 7.4V 1700mAh) ■ External View KNB-32N (Ni-MH 7.2V 2500mAh) ■ External View ■ Schematic Diagram ■ KNB-31A Schematic Diagram Discharging terminals Discharging terminals – – 47kΩ – – Charging terminals Charging terminals KSC-32 (Rapid Charger) ■...

  • Page 88: Specifications

    Radio only ..............TK-5210 K : 11.11 oz. (315g) TK-5210 K2 : 11.64 oz. (330g) TK-5210 K3 : 11.64 oz. (330g) TK-5210 K2 with battery, ..........22.22 oz. (630g) with KNB-31A battery antenna(KRA-22) and belt clip(KBH-11) 23.28 oz. (660g) with KNB-32N battery 17.64 oz.

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