Kenwood TK-3202 Service Manual
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Kenwood TK-3202 Service Manual

Kenwood TK-3202 Service Manual

Uhf fm transceiver
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UHF FM TRANSCEIVER
TK-3202/3206
SERVICE MANUAL
Knob (PTT)
(K29-9308-03)
Photo is TK-3202.
Antenna
(T90-1039-05): TK-3202(K,M)
(T90-1040-05): TK-3202(K2,M2)
(KRA-27: Option): TK-3206(M,M3)
Knob (CH-SELECTOR)
(K29-9318-03)
Knob (VOLUME)
(K29-9309-03)
Cabinet assy
(A02-3852-23)(8CH):
(A02-3851-23)(16CH):
TK-3206(M,M3)
TK-3206 :
Does not come with antenna.
Antenna is available as an option.
©
2004-2 PRINTED IN JAPAN
B51-8678-00 (S) 1246
CONTENTS
GENERAL ............................................................. 2
SYSTEM SET-UP ................................................. 2
REALIGNMENT .................................................... 3
DISASSEMBLY FOR REPAIR .............................. 5
CIRCUIT DESCRIPTION ....................................... 8
TERMINAL FUNCTION ...................................... 12
SEMICONDUCTOR DATA ................................. 12
COMPONENTS DESCRIPTION ......................... 13
PARTS LIST ........................................................ 14
EXPLODED VIEW ............................................... 21
PACKING ............................................................ 22
ADJUSTMENT ................................................... 24
TX-RX UNIT (X57-6890-XX) ......................... 30
SCHEMATIC DIAGRAM ..................................... 34
BLOCK DIAGRAM .............................................. 38
LEVEL DIAGRAM ............................................... 40
SPECIFICATIONS ............................ BACK COVER

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Summary of Contents for Kenwood TK-3202

  • Page 1: Table Of Contents

    BLOCK DIAGRAM ..........38 TK-3202(K,K2,M,M2) (A02-3851-23)(16CH): LEVEL DIAGRAM ..........40 TK-3206(M,M3) KSC-31 / KNB-29N / KNB-30A / KBH-10 ..41 SPECIFICATIONS ......BACK COVER Knob (PTT) (K29-9308-03) TK-3206 : Does not come with antenna. Antenna is available as an option. Photo is TK-3202.

  • Page 2: General

    Unit Model TX-RX Unit Frequency range Remarks & destination TK-3202 K,M X57-6890-20 450~490MHz TK-3206 IF1 : 38.85MHz TK-3206 M3 X57-6890-22 400~430MHz LOC : 38.4MHz...

  • Page 3: Realignment

    Used for communication between the machine. radio and PC (IBM compatible). The data can be input to or read from TK-3202/3206 and Data programming Used to read and write frequency data edited on the screen. The programmed or edited data can be mode and other features to and from the radio.
  • Page 4 TK-3202/3206 REALIGNMENT Clone Frequency Table 4. To switch the clone master to Clone mode, press and hold the [PTT] and [side2] keys while turning the transceiver MODEL TK-3202 TK-3206 power ON. Type K2,M2 Operating 5. Wait for 2 seconds. The LED will light orange and the Clone Frequency transceiver will announce "Clone".

  • Page 5: Disassembly For Repair

    TK-3202/3206 DISASSEMBLY FOR REPAIR Removing the battery release lever from the case Removing the case assembly from the chassis. assembly. 1. Remove the volume knob and channel knob 2. Remove the two screws 1. Press the upper part of the lever toward the inside of the 3.
  • Page 6 TK-3202/3206 DISASSEMBLY FOR REPAIR 2. Mounting the chassis to the case assembly. Assembling the battery release lever 1. Place the lever onto the stopper 1. Confirm that the waterproof packing attached to the 2. Place the thick spring onto the lever.
  • Page 7 TK-3202/3206 DISASSEMBLY FOR REPAIR 3. Attaching the antenna receptacle to the 5. Screw sequence for mounting the TX-RX unit chassis. to the chassis. Screw the antenna receptacle to the chassis in the order Attach the TX-RX unit to the chassis using the screws in shown in the drawing so that the antenna receptacle comes the order shown in the drawing below.

  • Page 8: Circuit Description

    Fig. 1 shows the frequencies. limiting amplifier, quadrature detector and RSSI (Received Signal Strength Indicator). The second mixer mixes the first TX/RX: 450 ~ 490MHz (TK-3202(K,M), TK-3206(M)) 450kHz 400 ~ 430MHz (TK-3206(M3)) IF signal with the 38.4MHz of the second local oscillator...
  • Page 9 TK-3202/3206 CIRCUIT DESCRIPTION 6) Squelch phase with the 5 or 6.25kHz reference signal from the phase comparator in IC1. The output signal from the phase Part of the AF signal from the IC enters the FM IC (IC201) comparator is filtered through a low-pass filter and passed again, and the noise component is amplified and rectified to the VCO to control the oscillator frequency.(See Fig.

  • Page 10: Power Supply

    TK-3202/3206 CIRCUIT DESCRIPTION and Pre-Drive amplifier to make both voltages the same. 4. Transmitter System The change of power high/low is carried out by the change 1) Microphone Amplifier of the reference voltage. The signal from the microphone passes through IC301.
  • Page 11 TK-3202/3206 CIRCUIT DESCRIPTION A beat sound may be able to be evaded from generation if IC405 R404 “Beat Shift” is set to ON when it is generated in the internal spurious transmission modulated sound of a transceiver. XOUT IC405 Q407,Q408 Fig.

  • Page 12: Terminal Function

    TK-3202/3206 TERMINAL FUNCTION / SEMICONDUCTOR DATA TERMINAL FUNCTION CN401 Name Function Name Function B (Battery Voltage) Encoder pulse input Switched B Audio input Encoder pulse input Audio output Encoder pulse input Encoder pulse input Encoder pulse input SEMICONDUCTOR DATA Microprocessor : 30622MAA-B89GP (TX-RX UNIT : IC405)

  • Page 13: Components Description

    TK-3202/3206 COMPONENTS DESCRIPTION TX-RX UNIT (X57-6890-XX) Ref. No. Use/Function Operation/Condition Ref. No. Use/Function Operation/Condition PLL system Variable Frequency control / TX VCO IC101 Comparator (APC) capacitance diode IC201 FM IF system Variable Frequency control / RX VCO IC301 Audio processor...

  • Page 14: Parts List

    AC ADAPTER(AC120V) ACCESSORY AK,AK2 W08-0971-05 AC ADAPTER(AC230V) ACCESSORY AM,AM2 ∗ ∗ G11-4313-04 SHEET(MIC ELEMENT) G11-4318-04 SHEET ∗ TX-RX UNIT (X57-6890-XX) -20 :TK-3202 (K,M) TK-3206 (M) ∗ G11-4320-14 SHEET -22 :TK-3206 (M3) -23 :TK-3202 (K2,M2) 2B,3B ∗ G11-4322-04 SHEET ∗ G11-4323-04 SHEET...
  • Page 15 AK,AM,BM C145 CC73GCH1H180J CHIP C 18PF CC73HCH1H060B CHIP C 6.0PF AK2,AM2 C145 CC73GCH1H300J CHIP C 30PF AK : TK-3202 (K) AK2 : TH-3202 (K2) AM : TK-3202 (M) AM2 : TH-3202 (M2) BM : TK-3206 (M) BM3 : TH-3206 (M3)
  • Page 16 CC73GCH1H2R5B CHIP C 2.5PF AK2,AM2 C230 CK73HB1C103K CHIP C 0.010UF K C270,271 CK73HB1H471K CHIP C 470PF AK : TK-3202 (K) AK2 : TH-3202 (K2) AM : TK-3202 (M) AM2 : TH-3202 (M2) BM : TK-3206 (M) BM3 : TH-3206 (M3)
  • Page 17 0.10UF K L102 L92-0138-05 FERRITE CHIP C370 CK73HB1A104K CHIP C 0.10UF K L103,104 L40-8265-92 SMALL FIXED INDUCTOR(8.2NH) AK : TK-3202 (K) AK2 : TH-3202 (K2) AM : TK-3202 (M) AM2 : TH-3202 (M2) BM : TK-3206 (M) BM3 : TH-3206 (M3)
  • Page 18 0 OHM J 1/16W RK73HB1J222J CHIP R 2.2K J 1/16W R190 RK73GB1J101J CHIP R J 1/16W AK : TK-3202 (K) AK2 : TH-3202 (K2) AM : TK-3202 (M) AM2 : TH-3202 (M2) BM : TK-3206 (M) BM3 : TH-3206 (M3)
  • Page 19 0 OHM J 1/16W D103,104 HVC131 DIODE R327 RK73GB1J184J CHIP R 180K J 1/16W D106 HVC131 DIODE AK : TK-3202 (K) AK2 : TH-3202 (K2) AM : TK-3202 (M) AM2 : TH-3202 (M2) BM : TK-3206 (M) BM3 : TH-3206 (M3)
  • Page 20 ADDITIONAL PCB C901,902 CK73GB1A105K CHIP C 1.0UF R901,902 RK73GB1J472J CHIP R 4.7K J 1/16W Q901 2SK1824 AK : TK-3202 (K) AK2 : TH-3202 (K2) AM : TK-3202 (M) AM2 : TH-3202 (M2) BM : TK-3206 (M) BM3 : TH-3206 (M3)

  • Page 21: Exploded View

    TK-3202/3206 EXPLODED VIEW MIC301 TX-RX Unit CF201 A :N14-0808-04 B :N14-0812-04 C :N30-2604-46 D :N30-2606-46 E :N83-2005-46 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 22: Packing

    TK-3202/3206 PACKING (TK-3202) 64.WHIP ANTENNA 66.AC ADAPTER 9 . INSTRUCTION MANUAL (T90-1039-05):K,M (W08-0970-05):K,K2(AC120V) (B62-1762-00) (T90-1040-05):K2,M2 (W08-0971-05):M,M2(AC230V) 45.PROTECTION BAG (H25-0085-04) 48.HOLDER(SP/MIC) 60.SCREW SET (J19-5472-03) (N99-2043-05) 44.CARTON BOARD 6. CAP(SP/MIC) (H13-2109-03) (B09-0680-03) 702. KNB-29N (Ni-MH BATTERY PACK) 43.PACKING FIXTURE (H12-3158-05) 65.CHARGER (W08-0969-05) 52.BELT CLIP...
  • Page 23 TK-3202/3206 PACKING (TK-3206) 10.INSTRUCTION MANUAL (B62-1763-00) 45.PROTECTION BAG (H25-0085-04) 48.HOLDER(SP/MIC) (J19-5472-03) 60.SCREW SET (N99-2043-05) 6. CAP(SP/MIC) (B09-0680-03) 43.PACKING FIXTURE (H12-3158-05) 52.BELT CLIP (J29-0713-05) 47.ITEM CARTON CASE (H52-2057-02) Parts with the exploded numbers larger than 700 are not supplied.

  • Page 24: Adjustment

    Test Equipment Required for Alignment Test Equipment Major Specifications Standard Signal Generator Frequency Range 450 to 490MHz (TK-3202(K, M) TK-3206(M) ) 470 to 512MHz (TK-3202(K2, M2) ) 400 to 430MHz (TK-3206(M3) ) (SSG) Modulation Frequency modulation and external modulation. Output -127dBm/0.1µV to greater than -47dBm/1mV...
  • Page 25 460.050MHz 460.100MHz the adjustment procedure to obtain the frequencies you want High’ 480.050MHz 480.100MHz in actual operation. Frequency (MHz) K, M type (TK-3202) M type (TK-3206) K2, M2 type (TK-3202) Channel No. RX Frequency TX Frequency TEST CH RX Frequency TX Frequency 470.050...
  • Page 26 [Wide] MOD:1kHz,DEV:3kHz [Narrow] MOD:1kHz,DEV:1.5kHz 2.VCO lock 1) CH:High Power meter 3.4V (TK-3202 (K,M), ±0.1V voltage TK-3206 (M) ) 3.2V (TK-3202 (K2,M2) ) 3.0V (TK-3206 (M3) ) 2) CH:Low Check 0.6V or more 3.VCO lock 3) CH:High 3.1V (TK-3202 (K,M), ±0.1V...
  • Page 27 TK-3202/3206 ADJUSTMENT Measurement Adjustment Specifications/ Item Condition Remark Test equipment Terminal Parts Method 6.VOX 10 TEST CH: Center Power meter Programming Writing AG:1kHz/3.0mV Deviation meter SP/MIC connector Software:KPG-87D 7.DQT TEST CH: Center Oscilloscope Programming Make the Balance Adjust Software:KPG-87D demodulation...
  • Page 28 TK-3202/3206 ADJUSTMENT Receiver Section Measurement Adjustment Specifications/ Item Condition Remark Test equipment Terminal Parts Method 1.BPF Wave (1)Center frequency Spectrum Programming Adjust the Mkrl 470.0 MHz Ref -46 dBm Atten 5 dB -54.4 dBm Peak Adjust Spectrum analyzer setting analyzer...
  • Page 29 TK-3202/3206 ADJUSTMENT Measurement Adjustment Specifications/ Item Condition Remark Test equipment Terminal Parts Method 2.Sensitivity TEST CH: Low Check 12dB SINAD or more check Center [Wide] High Oscilloscope SSG otuput:–117 dBm(0.3µV) AF VTVM SSG MOD:3.0kHz [Narrow] TEST CH:Center SSG otuput:–115 dBm(0.4µV) SSG MOD:1.5kHz...

  • Page 30: Pc Board

    TK-3202/3206 PC BOARD TX-RX UNIT (X57-6890-XX) Component side view (J72-0913-09) -20 : K,M (TK-3202), M (TK-3206) -22 : M3 (TK-3206) -23 : K2,M2 (TK-3202) L404 R203 CP404 TH203 C430 F401 R213 C405 C401 R416 R211 C402 C214 RSSI BATT+ MIC301 –...
  • Page 31 TK-3202/3206 PC BOARD TX-RX UNIT (X57-6890-XX) Component side view (J72-0913-09) -20 : K,M (TK-3202), M (TK-3206) -22 : M3 (TK-3206) -23 : K2,M2 (TK-3202) J72-0913-09 R438 R134 R409 R436 R410 R412 IC101 L111 R403 CN13 Q108 R411 C403 R142 R130...
  • Page 32 TK-3202/3206 PC BOARD TX-RX UNIT (X57-6890-XX) Foil side view (J72-0913-09) -20 : K,M (TK-3202), M (TK-3206) -22 : M3 (TK-3206) -23 : K2,M2 (TK-3202) J72-0913-09 S403 S402 S401 C268 R256 D104 L228 R254 R253 L223 or C156 L412 C254 C168...
  • Page 33 TK-3202/3206 PC BOARD TX-RX UNIT (X57-6890-XX) Foil side view (J72-0913-09) -20 : K,M (TK-3202), M (TK-3206) -22 : M3 (TK-3206) -23 : K2,M2 (TK-3202) S402 CN201 CD201 XF201 R226 D402 R227 L201 C228 C440 C219 C220 C241 R233 R236 R210...
  • Page 34 TX-RX UNIT (X57-6890-XX) Component side view (J72-0913-09) TX-RX UNIT (X57-6890-XX) Component side view (J72-0913-09) -20 : K,M (TK-3202), M (TK-3206) -22 : M3 (TK-3206) -23 : K2,M2 (TK-3202) -20 : K,M (TK-3202), M (TK-3206) -22 : M3 (TK-3206) -23 : K2,M2 (TK-3202)

  • Page 35: Pc Board Tx-Rx Unit (X57-6890-Xx)

    TX-RX UNIT (X57-6890-XX) Foil side view (J72-0913-09) TX-RX UNIT (X57-6890-XX) Foil side view (J72-0913-09) -20 : K,M (TK-3202), M (TK-3206) -22 : M3 (TK-3206) -23 : K2,M2 (TK-3202) -20 : K,M (TK-3202), M (TK-3206) -22 : M3 (TK-3206) -23 : K2,M2 (TK-3202)

  • Page 36: Tx-Rx Unit (X57-6890-Xx)

    TK-3202/3206 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6890-XX) 2.74V 100k PLL SYSTEM MB15A02 4.82V 470p 2SC5108(Y) RIPPLE FILTER PLL IC F_IN AMP 470p 4.76V MA2S111 0.01u R12-7491-05 4.9V L77-1931-05 F401 L401 4.7V BATT 12.8MHz 0.71V BATT oUTPUT 4.7u 330k 1000p 2.2k TXCO...
  • Page 37 TK-3202/3206 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6890-XX) R:0V TX/RX T:3.37V T:2.846V RF SW D2,4,6,7 D101 VCO OSCILLATION (TX) C101 C102 4.62V 220n FREQUENCY RF BUFFER AMP HSC277 470p CONTROL 3.86V /TX VCO RF AMP HVC376B 0.72V 2SC5108(Y) 2SC4619 100n 0.5p R:2.934V...
  • Page 38 TK-3202/3206 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6890-XX) C118 RF AMP TX DRIVE AMP R120 C120 TX FINAL AMP R:7.61V T:4.81V T:4.96V T:1.36V T:7.26V C123 Q102 Q103 L104 C107 C112 L103 L107 R103 R112 R111 2SK2596 R123 2SK3476 8.2n 8.2n Q101 2SK3077...

  • Page 39: Tk-3202(K,K2,M,M2)

    TK-3202/3206 SCHEMATIC DIAGRAM X57-6890-XX D210 L100 L101 L105 L107 L130 L206 L211 L214 L223 L228 L230 L290 L412 R120 R123 R194 R241 R449 R450 R454 TK-3202 HVC355B 1.2n 8.2n 8.2n L34-4572-05 8.2n 1.0M TK-3206 TK-3206 8.2n 8.2n L34-4564-05 TK-3202 K2,M2 HVC355B 1.2n...
  • Page 40 TK-3202/3206 SCHEMATIC DIAGRAM TX-RX UNIT (X57-6890-XX) C118 R120 T:4.81V RF AMP T:4.96V TX DRIVE AMP R:7.61V C120 TX FINAL AMP X57-6890-XX D210 L100 L101 L105 L107 L130 L206 L211 L214 L223 L228 L230 L290 L412 R120 R123 R194 R241 R449...

  • Page 41: Block Diagram

    TK-3202/3206 BLOCK DIAGRAM X57-689 IC404 BD4845FVE IC403 BD4845FVE IC1 MB15A02 PLL_DAT PLL_CLK RESET RESET PLL_STB D401 RB521S-30 IC401 XC6204B502MR Q4 2SK508NV(K52) D2,D4,D6,D7 1SV325 D10 1SV278 PROTECT Q405 DTA123JE Loop Filter DTA143TE 12.8MHz 5C_C L77-1931-05 Q403 CPH3317 QTTCXO Q3 2SK508NV(K52) D3,D5,D8,D9 1SV325...
  • Page 42 TK-3202/3206 BLOCK DIAGRAM TX/RX:450.00~490.00MHz (TK-3202(K,M) TK-3206(M)) TX/RX:470.00~512.00MHz (TK-3202(K2,M2)) TX/RX:400.00~430.00MHz (TK-3206(M3)) Q2 2SC5108(Y) D101,D202 Q100 Q101 Q102 Q103 D122,D103,D104,D106 2SC5108(Y) 2SC4619 HSC277 2SC4619 2SK3077 2SK2596 2SK3476 HVC131 BUFF Q104 DTC114EE Q105 Q109 IC101 2SK879(Y) DTA144EE TA75W01FU CURRENT Q108 2SK1824 DCSW APCSW...

  • Page 43: Level Diagram

    TK-3202/3206 LEVEL DIAGRAM...

  • Page 44: Ksc-31 / Knb-29N / Knb-30A / Kbh-10

    TK-3202/3206 KSC-31 / KNB-29N / KNB-30A / KBH-10 KSC-31 (RAPID CHARGER) KNB-29N (Ni-MH BATTERY PACK) External View External View Specifications Voltage ....7.2V (1.2V x 6) Battery capacity ... 1500mAh Specifications Schematic Diagram Charging current ....850mA ±5% Charging time ..... KNB-29N : Approx.180 minutes DISCHARGING TERMINALS KNB-30A : Approx.120 minutes...

  • Page 45: Specifications

    Frequency Range ............. 450~490MHz (TK-3202(K,M) TK-3206(M) ) 470~512MHz (TK-3202(K2,M2) ) 400~430MHz (TK-3206(M3) ) Number of channels ............Max. 8 (TK-3202) Max. 16 (TK-3206) Number of groups ............Max. 16 Channel Spacing ............... 25kHz (Wide) 12.5kHz (Narrow) PLL Channel Stepping ............5kHz, 6.25kHz Operating Voltage ............

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