Kenwood TK-2170ST Service Manual
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Kenwood TK-2170ST Service Manual

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VHF FM TRANSCEIVER
TK-2170/2170ST
SERVICE MANUAL
REVISED
TK-2170 K2,M
TK-2170ST M
Knob (Selector)
(K29-9340-03)
Knob (Volume)
(K29-9278-13)
Badge
(B43-1178-04)
Knob (PTT)
(K29-9339-03)
Key top (Side)
(K29-9341-03)
Plastic cabinet assy
(A02-3891-13)
Packing
(G53-1652-11)
Does not come with antenna.
Antenna is available as an option.
GENERAL ................................................... 2
SYSTEM SET-UP ....................................... 2
REALIGNMENT .......................................... 3
DISASSEMBLY FOR REPAIR .................. 21
CIRCUIT DESCRIPTION ........................... 23
SEMICONDUCTOR DATA ....................... 28
COMPONENTS DESCRIPTION ............... 29
PARTS LIST .............................................. 31
EXPLODED VIEW ..................................... 39
PACKING .................................................. 40
TK-2170 K
CONTENTS
ADJUSTMENT ......................................... 41
TERMINAL FUNCTION ............................ 49
SCHEMATIC DIAGRAM ........................... 56
BLOCK DIAGRAM .................................... 64
LEVEL DIAGRAM ..................................... 66
KSC-30 (RAPID CHARGER) ..................... 67
SPECIFICATIONS .................. BACK COVER
© 2005-6 PRINTED IN JAPAN
B51-8720-10 ( N ) 1390
Packing
(G53-1651-01)
Plastic cabinet assy
(A02-3890-03)
This product uses Lead Free solder.

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  • Page 1: Table Of Contents

    VHF FM TRANSCEIVER TK-2170/2170ST SERVICE MANUAL REVISED © 2005-6 PRINTED IN JAPAN B51-8720-10 ( N ) 1390 TK-2170 K2,M TK-2170 K TK-2170ST M Knob (Selector) (K29-9340-03) Knob (Volume) (K29-9278-13) Badge (B43-1178-04) Knob (PTT) Packing (K29-9339-03) (G53-1651-01) Key top (Side) (K29-9341-03)

  • Page 2: General

    RF power Type TK-2170 K,K2,M TX/RX 136~174 Choose the type of transceiver TK-2170ST M A personal computer (IBM PC or compatible), programming Transceiver programming interface (KPG-22), and programming software (KPG-101D) are required for programming. (The frequency, TX power HI/LOW, and signaling data are programmed for the transceiver.)

  • Page 3: Realignment

    TK-2170/2170ST REALIGNMENT 1. Modes 2. How to Enter Each Mode Mode Operation User mode User mode Power ON Panel test mode [A] + Power ON Panel test mode Panel tuning mode PC mode Received commands from PC Panel tuning mode [Panel test mode] + [S] PC mode Data programming mode...
  • Page 4 TK-2170/2170ST REALIGNMENT 5-2. Connection Procedure 6. Press write button in the window. When the transceiver starts to receive data, the “LOADING” is displayed. 1. Connect the transceiver to the personal computer with 7. If writing ends successfully, the checksum is calculated the interface cable.
  • Page 5 TK-2170/2170ST REALIGNMENT How to enter the password with the selector; If the selector is rotated while “CLN LOCK” is displayed, numbers (0 to 9) are displayed flashing. When you press the [C] key, the currently selected number is determined. If you press the [S] key after entering the password in this TX-RX UNIT (B/4) Foil side procedure, “CLONE”...
  • Page 6 TK-2170/2170ST REALIGNMENT ■ Channel edit mode 8-3. Zone/Channel Select Mode ■ To enable Zone/Channel select mode 1. Press the [A] key so that the “▼“ indicator is located on the right side, above the channel number. 1. Press the [Side2] key when “SELF” is displayed. The 2.
  • Page 7 TK-2170/2170ST REALIGNMENT Function Choices Display Remarks DQT 023~754 Inverse D Q T 0 2 3 I _ (Standard Table Mode) D Q T 7 5 4 I _ D Q T 0 0 0 I ∗ DQT 000~777 Inverse D Q T 7 7 7 I ∗ (1 Step Mode) TX Frequency Step 2.5kHz...
  • Page 8 TK-2170/2170ST REALIGNMENT Function Choices Display Remarks ←Default Wide/Narrow Wide W I D E _ _ _ _ Narrow N A R R OW _ _ ←Default Busy Channel Lockout B C L _ N O _ _ QT/DQT Tone B C L _ Q T _ _ Option Signaling B C L _ O P T _ Carrier Only...
  • Page 9 TK-2170/2170ST REALIGNMENT ■ Channel edit mode flow chart Self programming mode [Side2] Channel select mode Zone select mode [Side1] RX frequency Blank [B] (Write data) [Side1] [C] (Don’t write data) [Side1] [Side1] [Side1] [Side2] RX signaling Blank DQT N DQT I [B] (Write data) [C] (Don’t write data) [Side1]...
  • Page 10 TK-2170/2170ST REALIGNMENT ■ Zone edit mode ■ Zone edit mode flow chart 1. Press the [A] key so that the “▼“ indicator is located on Self programming mode the left side, above the zone number. 2. Rotate the selector select your desired zone number. [Side2] 3.
  • Page 11 TK-2170/2170ST REALIGNMENT 8-4. Function Setting Mode 4. Press the [B] key to store the value in memory and ad- vance to the next setting. 1. Press the [Side1] key when “SELF” is displayed. The 5. Press the [C] key to skip any settings you do not wish to transceiver enters Function Setting Mode.
  • Page 12 TK-2170/2170ST REALIGNMENT Function Choices Display Remarks Talk Around A U X _ _ 3 3 _ A U X _ _ 3 4 _ Zone Up A U X _ _ 3 5 _ Zone Down A U X _ _ 3 6 _ [S1] No Function S 1 _ _ O F F _...
  • Page 13 TK-2170/2170ST REALIGNMENT Function Choices Display Remarks [S2] No Function S 2 _ _ O F F _ 2-tone S 2 _ _ _ _ 1 _ Autodial S 2 _ _ _ _ 2 _ S 2 _ _ _ _ 3 _ Optional Board=None Autodial Programming S 2 _ _ _ _ 4 _...
  • Page 14 TK-2170/2170ST REALIGNMENT Function Choices Display Remarks Autodial Programming S _ _ _ _ _ 4 _ Call 1 S _ _ _ _ _ 5 _ Call 2 S _ _ _ _ _ 6 _ CH/GID Down S _ _ _ _ _ 7 _ CH/GID Up S _ _ _ _ _ 8 _ Channel Entry...
  • Page 15 TK-2170/2170ST REALIGNMENT Function Choices Display Remarks CH/GID Up A _ _ _ _ _ 8 _ Channel Entry A _ _ _ _ _ 9 _ Direct CH1 A _ _ _ _ 1 0 _ Direct CH2 A _ _ _ _ 1 1 _ Direct CH3 A _ _ _ _ 1 2 _ Direct CH4...
  • Page 16 TK-2170/2170ST REALIGNMENT Function Choices Display Remarks Direct CH3 B _ _ _ _ 1 2 _ Direct CH4 B _ _ _ _ 1 3 _ Display Character B _ _ _ _ 1 4 _ Home/CH/GID B _ _ _ _ 1 6 _ Key Lock B _ _ _ _ 1 7 _ Lamp...
  • Page 17 TK-2170/2170ST REALIGNMENT Function Choices Display Remarks Key Lock C _ _ _ _ 1 7 _ Lamp C _ _ _ _ 1 8 _ ←Default Low Transmit Power C _ _ _ _ 1 9 _ Monitor C _ _ _ _ 2 0 _ Monitor Momentary C _ _ _ _ 2 1 _ C _ _ _ _ 2 2 _...
  • Page 18 TK-2170/2170ST REALIGNMENT Function Choices Display Remarks DTMF (Autodial) K E Y O _ A T D DTMF (Keypad Auto PTT) K E Y O _ K A P FleetSync (SelCall) K E Y O _ S E L FleetSync (Status) K E Y O _ S T A FleetSync (SelCall+Status) K E Y O _ S / S...
  • Page 19 TK-2170/2170ST REALIGNMENT Function Choices Display Remarks First Digit Time 0, 100, 500, 1000 F D T _ _ _ _ 0 Default=0 ∗ and # Digit ∗ # _ _ _ _ _ 0 0, 100, 500, 1000 Default=0 Dial ID ON/OFF D I D _ O F F _ Default=OFF, Key=16key only...
  • Page 20 TK-2170/2170ST REALIGNMENT ■ Function setting mode flow chart Self programming mode Auto backlight Dwell time [Side1] [B] (Write data) [B] (Write data) [C] (Don’t write data) [C] (Don’t write data) [AUX] key function Power-on tone DTMF speed [B] (Write data) [C] (Don’t write data) [B] (Write data) [B] (Write data)

  • Page 21: Disassembly For Repair

    TK-2170/2170ST DISASSEMBLY FOR REPAIR 1. Removing the FPC 3. How to Assemble the Antenna Connec- 1) Remove the solder from the TX-RX unit using a solder iron tor and its Terminal ( q ). The antenna connector and its terminal are supplied as 2) Peel the double-sided tape ( w ).
  • Page 22 TK-2170/2170ST DISASSEMBLY FOR REPAIR 4) Lift the speaker holder ( r ), then flip it over to the left 4. Replacing the Speaker and Microphone ( t ). 1) After affixing the double-sided tape (5.4 x 2.7 mm) to the 5) Insert the tabs of the speaker holder into the slots of the speaker, attach the speaker to the speaker holder ( q ).

  • Page 23: Circuit Description

    TK-2170/2170ST CIRCUIT DESCRIPTION The filtered first IF signal is amplified by the first IF amplifier 1. Frequency Configuration (Q703) and then applied to the lF system IC (IC701). The IF The receiver utilizes double conversion. The first IF is system IC provides a second mixer, second local oscillator, 49.95MHz and the second IF is 450kHz.
  • Page 24 TK-2170/2170ST CIRCUIT DESCRIPTION 2-5. Audio Amplifier Circuit IC13 IC12 (1/2) IC13 (2/2) The demodulated signal from IC701 is amplified by IC10, AQUA-L and goes to AF amplifier through IC13. The signal then goes through an volume control (IC16), and is routed to an audio power amplifier (IC18) where it is MMUTE amplified and output to the speaker.
  • Page 25 TK-2170/2170ST CIRCUIT DESCRIPTION 4. Frequency Synthesizer Circuit 5. Control Circuit 4-1. Frequency Synthesizer The control circuit consists of microprocessor (IC7) and its peripheral circuits. It controls the TX-RX unit. IC7 mainly per- The frequency synthesizer consists of the TCXO (X501), forms the following;...
  • Page 26 TK-2170/2170ST CIRCUIT DESCRIPTION 5-3. Low Battery Warning 6. Signaling Circuit The battery voltage is monitored by the microprocessor 6-1. Encode (IC7 pin 123 : BATTLVL). When the battery voltage falls be- ■ Low-speed data (QT, DQT) low the voltage set by the Low Battery Warning adjustment Low-speed data is output from pin 30 of the CPU.
  • Page 27 TK-2170/2170ST CIRCUIT DESCRIPTION IC17 (1/2) BUFF IC13 TCXO AQUA-L IC16 IC12 IC14 EXTLIMIN HSDO RX Audio AF AMP RXAF LSDO Fig. 12 Encode 6-2. Decode 7. Power Supply ■ QT/DQT There are five 5V power supplies for the microprocessor: The output signal from IF IC (IC701) enters the micropro- 5M, 5MS, 5C, 5R and 5T.

  • Page 28: Semiconductor Data

    TK-2170/2170ST SEMICONDUCTOR DATA Microprocessor : 30625MGP234HU (TX-RX unit IC7) Pin No. Port Name Function Pin No. Port Name Function KEY2 Key matrix 2 input RXD2/AINH RXD2 (COM1) KEY3 Key matrix 3 input AFDAT BB TDATA and DTRCLK TX APC adjust AFDIO BB DI/O HSDO...
  • Page 29 TK-2170/2170ST SEMICONDUCTOR DATA / COMPONENTS DESCRIPTION TX-RX unit (X57-7000-XX) Pin No. Port Name Function TCLK/DTRDO BB TCLK and DTRDO Ref. No. Use / Function Operation / Condition 5R control Voltage detector / INT KEY1O Key matrix output Voltage regulator / 5V KEY2O Key matrix output Voltage detector / RESET...

  • Page 30: Components Description

    TK-2170/2170ST COMPONENTS DESCRIPTION Ref. No. Use / Function Operation / Condition Ref. No. Use / Function Operation / Condition Transistor AF amplifier DC supply control switch D12,13 10 key back light AF amplifier DC supply switch D14,16 Diode Radio state detector Q25,26 MIC ALC Diode...

  • Page 31: Parts List

    TK-2170/2170ST PARTS LIST ✽ New Parts. indicates safety critical components. L : Scandinavia K : USA P : Canada Parts without Parts No. are not supplied. Y : PX (Far East, Hawaii) T : England E : Europe Les articles non mentionnes dans le Parts No. ne sont pas fournis. Y : AAFES (Europe) X : Australia M : Other Areas...
  • Page 32 TK-2170/2170ST PARTS LIST TX-RX UNIT (X57-7000-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation CK73HB1H471K CHIP C 470PF C129 CK73GB1E105K CHIP C 1.0UF CK73GB1E105K CHIP C 1.0UF C130 CK73HB1A104K CHIP C 0.10UF CK73HB1A104K CHIP C...
  • Page 33 TK-2170/2170ST PARTS LIST TX-RX UNIT (X57-7000-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C510 CK73HB1C223K CHIP C 0.022UF C611 CC73HCH1H470J CHIP C 47PF C511 CK73GB1E105K CHIP C 1.0UF C612 CK73HB1H102K CHIP C 1000PF...
  • Page 34 TK-2170/2170ST PARTS LIST TX-RX UNIT (X57-7000-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C725 CK73HB1A104K CHIP C 0.10UF E11-0457-05 PHONE JACK (2.5/3.5) C726 CK73HB1C103K CHIP C 0.010UF C727 CK73HB1H102K CHIP C 1000PF F901...
  • Page 35 TK-2170/2170ST PARTS LIST TX-RX UNIT (X57-7000-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation L717 L40-5675-57 SMALL FIXED INDUCTOR (56.0NH) R55,56 RK73HB1J474J CHIP R 470K 1/16W L901 L92-0149-05 CHIP FERRITE RK73HB1J103J CHIP R 1/16W...
  • Page 36 TK-2170/2170ST PARTS LIST TX-RX UNIT (X57-7000-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R144 RK73HB1J472J CHIP R 4.7K 1/16W R229,230 RK73HB1J123J CHIP R 1/16W R145 RK73HB1J154J CHIP R 150K 1/16W R231 RK73HB1J103J...
  • Page 37 TK-2170/2170ST PARTS LIST TX-RX UNIT (X57-7000-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R611 RK73HB1J393J CHIP R 1/16W R745 RK73HB1J104J CHIP R 100K 1/16W R612 RK73HB1J101J CHIP R 1/16W R748 RK73HB1J104J CHIP R...
  • Page 38 TK-2170/2170ST PARTS LIST TX-RX UNIT (X57-7000-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation ✽ IC701 TA31136FNG MOS-IC UMG3N TRANSISTOR FP210 TRANSISTOR UPA672T UMG3N TRANSISTOR UPA672T DTA114EE DIGITAL TRANSISTOR SSM6J08FU(F) 2SC4617(S) TRANSISTOR 2SB1132(Q,R)

  • Page 39: Exploded View

    TK-2170/2170ST EXPLODED VIEW 701x2 RF UNT TX-RX unit (D/4) SHIELDING PLATE TX-RX unit (A/4) TX-RX unit (B/4) TX-RX unit (C/4) 707 : M : N09-2438-05 : N14-0583-04 : N14-0805-04 D M2.6 x 10 : N30-2610-48 705 : K M3 x 6 BLK : N30-3006-45 M2 x 3 : N79-2030-48 G M2 x 5...

  • Page 40: Packing

    TK-2170/2170ST PACKING 48 Item carton case (H52-2066-02) : TK-2170 (H52-2115-02) : TK-2170ST 17 Instruction manual (B62-1809-10) : K,K2 (B62-1810-00) : M,ST 53 Hook (J29-0701-15) 6 Cap (B09-0686-03) 51 Holder (J19-5483-23) 47 Protection bag (H25-0029-04) 46 Packing fixture (H12-3150-02) Parts with the exploded numbers larger than 700 are not supplied.

  • Page 41: Adjustment

    TK-2170/2170ST ADJUSTMENT ■ Frequency and Signaling Controls The set has been adjusted for the frequencies shown in Selector Selector the following table. When required, readjust them following Volume Volume the adjustment procedure to obtain the frequencies you want in actual operation. •...
  • Page 42 TK-2170/2170ST ADJUSTMENT ■ 3 or 5 reference level adjustments frequency Panel Tuning Mode ■ Preparations for tuning the transceiver Tuning point RX (MHz) TX (MHz) Before attempting to tune the transceiver, connect the 136.05000 136.10000 unit to a suitable power supply. Low’...
  • Page 43 TK-2170/2170ST ADJUSTMENT ■ Flow chart 3 reference level Frequency adjustments 5 reference level High power adjustments 3 reference level Low power adjustments Center 3 reference level Balance Narrow adjustments [Side2] [Side2] Max deviation Narrow Max deviation Wide High 3 reference level adjustments 3 reference level adjustments exit...
  • Page 44 Refer to page 26 for details. nut, use a recommendation tool. KENWOOD part No. : W05-1123-00 Note : When using the battery jig, you must measure the voltage at the terminals of the battery jig. Otherwise, a slight...
  • Page 45 TK-2170/2170ST ADJUSTMENT Common Section Measurement Adjustment Item Condition Specifications/Remarks Test- 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 ±...
  • Page 46 TK-2170/2170ST ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 5. Low power [Panel test mode] Power meter Panel Check 0.7~1.4W check 1) CH-Sig : 1-1 Ammeter 1.0A or less Set low power (Push [S]) PTT : ON 2) CH-Sig : 2-1 PTT : ON 3) CH-Sig : 3-1...
  • Page 47 TK-2170/2170ST ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment ± 40Hz 12. DQT 1) Adj item : [DQT_ _] Power meter Panel Panel Selector 0.35kHz deviation Adjust : [✳✳✳.] knob adjust Deviation meter filter Deviation SP/MIC LPF : 3kHz meter...
  • Page 48 TK-2170/2170ST ADJUSTMENT Receiver Section Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 1. Sensitivity 1) Adj item : [SENS_] Panel Panel Selector Adjust for Rotate the selector knob and adjust Adjust : [✳✳✳] knob RSSI MAX increase the adjustment value 2) Adj item : [S.ENS_] →...

  • Page 49: Terminal Function

    TK-2170/2170ST TERMINAL FUNCTION ■ CN60 ■ Solder Point Connection Pin No. Pin Name I/O Function Designation Function Condiition / Value MIC_I MIC input Input sensitivity / impedance (1kHz std. dev.) Switched B output 500mVrms± 100mV, @22kΩ load DC (Battery terminal)± 0.5V, 150mA max MIC_O MIC output Output voltage / impedance...

  • Page 50: Pc Board

    TK-2170/2170ST PC BOARD TX-RX UNIT (X57-7000-XX) (A/4) -10 : TK-2170 K -11 : TK-2170 K2 -21 : TK-2170 M, TK-2170ST M Component side view (J72-0963-19 A/4) Component side Layer 1 Ref. No. Address Layer 2 IC501 Layer 3 L619 IC601...
  • Page 51 TK-2170/2170ST PC BOARD TX-RX UNIT (X57-7000-XX) (A/4) -10 : TK-2170 K -11 : TK-2170 K2 -21 : TK-2170 M, TK-2170ST M Foil side view (J72-0963-19 A/4) Component side Layer 1 Ref. No. Address Ref. No. Address Layer 2 Q502 D509...
  • Page 52 Layer 4 IC14 Layer 5 IC15 Layer 6 IC16 Foil side TX-RX UNIT (X57-7000-XX) (B/4) -10 : TK-2170 K -11 : TK-2170 K2 -21 : TK-2170 M, TK-2170ST M Component side view (J72-0963-19 B/4) C129 (D/4) CN63 CN79 R106 R173...
  • Page 53 TK-2170/2170ST PC BOARD TX-RX UNIT (X57-7000-XX) (C/4) -10 : TK-2170 K -11 : TK-2170 K2 -21 : TK-2170 M, TK-2170ST M Component side view (J72-0963-19 C/4) J72-0963-19 C/4 TX-RX UNIT (X57-7000-XX) (B/4) -10 : TK-2170 K -11 : TK-2170 K2 -21 : TK-2170 M, TK-2170ST M...
  • Page 54 TK-2170/2170ST TK-2170/2170ST PC BOARD PC BOARD TX-RX UNIT (X57-7000-XX) (C/4) -10 : TK-2170 K -11 : TK-2170 K2 -21 : TK-2170 M, TK-2170ST M Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Component side view (J72-0963-19 C/4)
  • Page 55 TK-2170/2170ST PC BOARD TX-RX UNIT (X57-7000-XX) (C/4) -10 : TK-2170 K -11 : TK-2170 K2 -21 : TK-2170 M, TK-2170ST M Foil side view (J72-0963-19 C/4) J72-0963-19 C/4 CN71 TX-RX UNIT (X57-7000-XX) (B/4) -10 : TK-2170 K -11 : TK-2170 K2 -21 : TK-2170 M, TK-2170ST M...
  • Page 56 Layer 3 Layer 4 Layer 5 Layer 6 IC10 Foil side TX-RX UNIT (X57-7000-XX) (B/4) -10 : TK-2170 K -11 : TK-2170 K2 -21 : TK-2170 M, TK-2170ST M Foil side view (J72-0963-19 B/4) (D/4) CP49 CP42 CN60 R239 C185...
  • Page 57 TK-2170/2170ST TK-2170/2170ST PC BOARD PC BOARD TX-RX UNIT (X57-7000-XX) (C/4) -10 : TK-2170 K -11 : TK-2170 K2 -21 : TK-2170 M, TK-2170ST M Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Foil side view (J72-0963-19 C/4)

  • Page 58: Schematic Diagram

    BACK LIGHT SSBC T:5V R:0V Q5 1/2 Q5 2/2 LCDBL 5TC SW SAVE SW LAMP ON:0V(Lo) OFF:4.8V(Hi) X57-7000-XX TK-2170 (4KEY) TK-2170 (16KEY) B30-2050-05 B30-2050-05 B30-2050-05 B30-2050-05 TK-2170 (16KEY) B30-2050-05 B30-2050-05 B30-2050-05 B30-2050-05 TK-2170ST (16KEY) X57-700 (B/4) 1/6, X57-700 (C/4) 1/1...
  • Page 59 TK-2170/2170ST SCHEMATIC DIAGRAM TX-RX UNIT (X57-7000-XX) (B/4) B38-0901-05 4KEY BOARD (X57-7000) (D/4) E29-1204-X4 E29-1205-X4 VOLIN VOLIN D24-27 KEY4O SFTOE KEY3O RESET KEY2O INPUT LEDR DETECT LEDG KEY1O KEY1I MA2S111 KEY2I MA2S111 KEY3I MA2S111 CP32 COM3 KEY4I 1k*4 MA2S111 COM4 1000p NARROW WIDE VLCD...
  • Page 60 LCDCE SIM/LCDCE KEY1O KEY1O MA2S111 D14,16 RADIO STATE DETECTOR SFTSTB DATA DATA BATT BATT VOXMUTE VOXMUTE OPST OPST MMUTE MMUTE AQSFT AQSFT SP_M SP_M STSW STSW X57-7000-XX TK-2170 (4KEY) MA2S111 TK-2170 (16KEY) MA2S111 TK-2170 (16KEY) TK-2170ST (16KEY) X57-700 (B/4) 3/6...
  • Page 61 TK-2170/2170ST SCHEMATIC DIAGRAM TX-RX UNIT (X57-7000-XX) (B/4) OPTDET OPTDET DACCLK DACCLK DACLD DACLD BEEP SHIFT/MODEL XOUT DACDAT DACDAT HSDIN HSDIN LSDOUT HSDO R103 EXTLIMIN 0.015u LSD FILTER CPU CLOCK C130 0.1u IC11 SHIFT SW TK62012F MDSW AF SW EEPROM 2SC4649(N,P) SPLI IC14 TC7W53FK(F)
  • Page 62 TK-2170/2170ST SCHEMATIC DIAGRAM TX-RX UNIT (X57-7000-XX) (B/4) OPTDET OPTDET DACCLK DACCLK DACLD DACLD DACDAT DACDAT EXTLIMIN AF SW SPLO RN4910(F) R165 C134 R156 R164 C135 330k 150k 0.1u 180k R157 C118 0.1u 330k C131 4.7u C100 4.7u 820p C102 0.01u FILTERO DTRLOAD AFSTD...
  • Page 63 TK-2170/2170ST SCHEMATIC DIAGRAM TX-RX UNIT (X57-7000-XX) (B/4) DACCLK DACLD R224 100k DACDAT 0.01u C175 RX BPF TUNNE R116 VOLTAGE AMP R189 VIN1 VIN8 IC19 TC75S51FE(F) R190 VOUT1 VOUT8 R230 VOUT2 VOUT7 IC17 TK62012F VIN2 VIN7 R199 R177 RESET R178 C177 0.1u VDAref VIN3...
  • Page 64 TK-2170/2170ST SCHEMATIC DIAGRAM TX-RX UNIT (X57-7000-XX) (A/4) PRE-DRIVE AMP Q602 RF AMP TX RF SW 2SK3077F Q507 C579 D516 C601 R923 R602 C611 2.1V 2SC5488 C576 R537 C581 HSC277 1000p 1000p 1.4V T:0.9V(Hi) 0.75V(Lo) R:0V F901 T:2.5V(Hi) F53-0324-05 LOCAL L901 2.1V(Lo) BATT R:0V...
  • Page 65 TK-2170/2170ST SCHEMATIC DIAGRAM TX-RX UNIT (X57-7000-XX) (A/4) D604 L616 L618 L617 D604,605 TX DRIVE AMP SURGE RF FINAL AMP HVC131 ANT SW ABSORBER Q603 Q604 D605 L610 L612 L613 C670 C676 C679 C681 C683 RD01MUS1 2SK2595 HVC131 1000p C617 L604 R616 C618 R626...
  • Page 66 1000p RIPPLE FILTER STABILIZATION W:0V DIODE NARROW N:5V CN60 E40-5932-05 2nd_Lo 2nd_Lo X57-7000-XX X57-7000-XX TK-2170 (4KEY) TK-2170 (4KEY) MA2S111 TK-2170 (16KEY) B30-2050-05 B30-2050-05 B30-2050-05 B30-2050-05 TK-2170 (16KEY) MA2S111 TK-2170 (16KEY) TK-2170 (16KEY) TK-2170ST (16KEY) B30-2050-05 B30-2050-05 B30-2050-05 B30-2050-05 TK-2170ST (16KEY)

  • Page 67: Block Diagram

    TK-2170/2170ST BLOCK DIAGRAM MAIN BOARD RF BOARD X57-700 (B/4) X57-700 (A/4) SIDE KEY Q501 B30-2278-05 2SC5488 DOUBLER Q502 UPA672T 2SK508NV(K5 D504,505,506,5 CONTROL CIRCUIT 1SV325Fx4 TUNE D513 1SV278F LEDG,LEDR D502,503,512 2SC4617(S) HSC277x3 D501 2SB1132(Q,R) PLE,PDAT, HSC277 PCLK LOOP TX,RX PTT BOARD FILTER X57-700 (C/4) IC501...
  • Page 68 TK-2170/2170ST BLOCK DIAGRAM Q502 SK508NV(K52) D610 04,505,506,507 1SV325Fx4 AVRM1608270MAB D513 VARISTOR 1SV278F D516,519 Q602 D604,605,606,608 Q506 Q507 Q603 Q604 HSC277x2 HVC131x4 2SC5488 2SC5488 2SK3077F RD01MUS1 2SK2595 BUFFER TX/RX PRE-DRIVE DRIVE RF FINAL SWITCH D601 UDZS4.7B L616,617,618 Q505 5T,5R ZENER 2SC4617(S) D514 136~174MHz HSC277...

  • Page 69: Level Diagram

    TK-2170/2170ST LEVEL DIAGRAM...
  • Page 70 TK-2170/2170ST KSC-30 (RAPID CHARGER) External View Operating Flow Chart Power ON Initialization Insert battery Does S terminal connect? Parts List Vs : High Battery is not (Li-ion) Distinguish the Desti- correspond Ref. No. Parts No. Description kinds of battery parts nation LED OFF A02-3656-08...

  • Page 71: Specifications

    13, Boulevard Ney, 75018 Paris, France Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road, Kwai Fong, N.T., Hong Kong KENWOOD House, Dwight Road, Watford, Herts., WD18 9EB United Kingdom 1 Ang Mo Kio Street 63, Singapore 569110...

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