Kenwood TK-3302 Service Manual
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Kenwood TK-3302 Service Manual

Uhf fm transceiver
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See also: Service Manual Supplement , Instruction Manual
UHF FM TRANSCEIVER
TK-3302/3302
TK-3306
SERVICE MANUAL
Whip antenna
(T90-1039-25)
(T90-1041-25)
Badge (Front)
(B43-1622-04)
Button knob (PTT)
(K29-9425-03)
Button knob
(Side1/Side2)
(K29-9426-03)
Plastic cabinet assy
(A02-4040-03)
RoHS
This product complies with the
Knob (Selector)
(K29-9427-03)
Knob (Volume)
(K29-9309-13)
directive for the European market.
U
(
)
© 2008-9 PRINTED IN JA PAN
B51-8840-00 ( N ) 672
CONTENTS
GENERAL .....................................................2
SYSTEM SET-UP .........................................3
REALIGNMENT ...........................................3
DISASSEMBLY FOR REPAIR ......................6
CIRCUIT DESCRIPTION ..............................9
SEMICONDUCTOR DATA .........................13
TERMINAL FUNCTION .............................13
COMPONENTS DESCRIPTION .................14
PARTS LIST ...............................................15
EXPLODED VIEW ......................................23
PACKING ....................................................24
ADJUSTMENT ..........................................26
TX-RX UNIT (X57-7580-XX) ..................32
SCHEMATIC DIAGRAM ............................36
BLOCK DIAGRAM .....................................40
LEVEL DIAGRAM ......................................42
SPECIFICATIONS ......................................43
.
This product uses Lead Free solder.

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  • Page 1: Table Of Contents

    UHF FM TRANSCEIVER TK-3302/3302 TK-3306 SERVICE MANUAL © 2008-9 PRINTED IN JA PAN B51-8840-00 ( N ) 672 CONTENTS GENERAL .............2 Whip antenna SYSTEM SET-UP .........3 Knob (Selector) (T90-1039-25) (K29-9427-03) (T90-1041-25) REALIGNMENT ...........3 Knob (Volume) DISASSEMBLY FOR REPAIR ......6 (K29-9309-13) CIRCUIT DESCRIPTION ......9...

  • Page 2: General

    Kenwood reserves the right to make changes to any wise, for any purpose without the prior written permission products herein at any time for improvement purposes.

  • Page 3: System Set-Up

    TK-3302/3302 /3306 SYSTEM SET-UP Merchandise received Frequency range (MHz) RF power Type TK-3302: K,M,P TX/RX 450~490 4.0W TK-3302(U): K TK-3306: M Choose the type of transceiver TX/RX 400~430 4.0W TK-3306: M3 A personal computer, programming interface (KPG-22/22A), Transceiver programming and FPU (programming software) are required for programming.
  • Page 4 TK-3302/3302 /3306 REALIGNMENT KPG-22 or KPG-22A or Notes: KPG-22A+KCT-53U • You must install the KCT-53U driver in the computer to Illustration is KPG-22 use the USB adapter (KCT-53U). • When using the USB adapter (KCT-53U) for the fi rst time, plug the KCT-53U into a USB port on the computer with the computer power ON.
  • Page 5 • Clone frequency table 1. To switch the clone target/s to wireless clone mode, Operating frequency (MHz) press and hold the [PTT] and [side2] keys while turning TK-3302 K,M,P the transceiver power ON. TK-3302(U) K TK-3306 M3 2. Wait for 2 seconds. The LED will light orange and the TK-3306 M transceiver will announce “Clone”.

  • Page 6: Disassembly For Repair

    TK-3302/3302 /3306 DISASSEMBLY FOR REPAIR 1. Removing the Case Assembly from the Chassis 3. Removing the Battery Release Lever 1. Remove the volume knob q and channel knob w. from the Case Assembly 2. Remove the two screws e. 1. Press the upper part of the lever toward the inside of the 3.
  • Page 7 TK-3302/3302 /3306 DISASSEMBLY FOR REPAIR 5. Assembling the Battery Release Lever 7. Mounting the Chassis to the Case Assembly 1. Place the lever w onto the stopper q. 1. Confirm that the waterproof packing attached to the 2. Place the thick spring e onto the lever.
  • Page 8 TK-3302/3302 /3306 DISASSEMBLY FOR REPAIR 8. Attaching the Antenna Receptacle to the Chassis 10. Screw sequence for mounting the TX- Screw the antenna receptacle to the chassis in the order RX unit to the chassis shown in the drawing so that the antenna receptacle Attach the TX-RX unit to the chassis using the screws in comes to the center of the case hole.

  • Page 9: Circuit Description

    TK-3302/3302 /3306 CIRCUIT DESCRIPTION fi ed by the RF amplifi er (Q204). 1. Frequency Confi guration The resulting signal passes through a BPF (L209, L207 The receiver utilizes double conversion. The first IF is and L206) and goes to the mixer. These BPFs are adjusted 38.85MHz and the second IF is 450kHz.
  • Page 10 TK-3302/3302 /3306 CIRCUIT DESCRIPTION ■ Audio Amplifi er Circuit 3. PLL Frequency Synthesizer The demodulated signal from IC201 goes to AF amplifi er The PLL circuit generates the fi rst local oscillator signal through IC308. for reception and the RF signal for transmission.

  • Page 11: Power Supply

    TK-3302/3302 /3306 CIRCUIT DESCRIPTION IC101 (2/2) compares the output voltage of IC101 (1/2) 4. Transmitter System with the reference voltage from IC306. The output of IC101 ■ Microphone Amplifi er (2/2) controls the VG of the RF power amplifier and drive The signal from the microphone passes through the amplifi...
  • Page 12 TK-3302/3302 /3306 CIRCUIT DESCRIPTION ■ Frequency Shift Circuit R301 IC306 The MCU (IC306) operates at a clock of 14.746 MHz. This oscillator has a circuit that shifts the frequency by BEAT SHIFT SW (Q305, Q306). A beat sound may be able to be evaded from generation if “Beat Shift”...

  • Page 13: Semiconductor Data

    TK-3302/3302 /3306 SEMICONDUCTOR DATA MCU: R5F212CCKCMB (TX-RX unit IC306) Pin No. Signal Name Function Pin No. Signal Name Function 5T_C 5T control Serial data input PLL_STB PLL strobe Baseband IC data output 5C_C 5C control DI/O I/O Baseband IC data input / output...

  • Page 14: Components Description

    TK-3302/3302 /3306 COMPONENTS DESCRIPTION TX-RX unit (X57-7580-XX) Ref. No. Part Name Description Ref. No. Part Name Description PLL system IC Q302 Transistor DC switch/ Green color LED IC101 Q303 Transistor DC switch/ 5R IC201 FM system IC Q304 Transistor DC switch/ 5T...

  • Page 15: Parts List

    TK-3302/3302 /3306 PARTS LIST CAPACITORS 2 2 0 • Capacitor value CC45 Color* 010 = 1pF 0 = 22pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating 100 = 10pF 2 = Shape ... round, square, etc.
  • Page 16 ✽ K29-9427-03 KNOB (SELECTOR) CS77AA1VR33M CHIP TNTL 0.33UF 35WV CC73HCH1H270J CHIP C 27PF ✽ N14-0848-05 CIRCULAR NUT (SELECTOR) CK73HB1H471K CHIP C 470PF AK: TK-3302 K AP: TK-3302 P UK: TK-3302(U) K AM: TK-3302 M BM: TK-3306 M BM3: TK-3306 M3...
  • Page 17 C70,71 CC73HCH1H0R5B CHIP C 0.5PF BM,AM C146 CC73GCH1H120J CHIP C 12PF AK,AP,UK CC73HCH1H0R3B CHIP C 0.3PF C146 CC73GCH1H120J CHIP C 12PF BM,AM AK: TK-3302 K AP: TK-3302 P UK: TK-3302(U) K AM: TK-3302 M BM: TK-3306 M BM3: TK-3306 M3...
  • Page 18 CHIP C 7.0PF C233 CC73HCH1H060B CHIP C 6.0PF C290 CC73HCH1H020B CHIP C 2.0PF C234 CK73HB1H471K CHIP C 470PF C291 CC73HCH1H060B CHIP C 6.0PF AK: TK-3302 K AP: TK-3302 P UK: TK-3302(U) K AM: TK-3302 M BM: TK-3306 M BM3: TK-3306 M3...
  • Page 19 L201 L40-1091-86 SMALL FIXED INDUCTOR (1.0UH) AK: TK-3302 K AP: TK-3302 P UK: TK-3302(U) K If a part reference number is listed in a shaded AM: TK-3302 M BM: TK-3306 M BM3: TK-3306 M3 box, that part does not come with the PCB.
  • Page 20 CHIP R 1/16W R132 RK73HB1J473J CHIP R 1/16W RK73HB1J274J CHIP R 270K 1/16W R133 RK73HB1J000J CHIP R 1/16W R134 RK73HB1J563J CHIP R 1/16W AK: TK-3302 K AP: TK-3302 P UK: TK-3302(U) K AM: TK-3302 M BM: TK-3306 M BM3: TK-3306 M3...
  • Page 21 1.8K 1/16W 1SV325F VARIABLE CAPACITANCE DIODE R319 RK73HB1J000J CHIP R 1/16W 1SV325F VARIABLE CAPACITANCE DIODE R320 RK73HB1J123J CHIP R 1/16W KDV214E-P DIODE AK: TK-3302 K AP: TK-3302 P UK: TK-3302(U) K AM: TK-3302 M BM: TK-3306 M BM3: TK-3306 M3...
  • Page 22 TRANSISTOR Q311 2SA1586(Y,GR)F TRANSISTOR Q312 RT1N441U TRANSISTOR ✽ Q313 2SB1694 TRANSISTOR Q314 RT1N441U TRANSISTOR Q315,316 2SK3577-A TH101 B57331V2104J THERMISTOR TH201 B57331V2104J THERMISTOR AK: TK-3302 K AP: TK-3302 P UK: TK-3302(U) K AM: TK-3302 M BM: TK-3306 M BM3: TK-3306 M3...

  • Page 23: Exploded View

    TK-3302/3302 /3306 EXPLODED VIEW Ex10 MIC301 TX-RX unit CF201 : N14-0848-05 : N14-0849-05 C M2.6 x 4 : N30-2604-48 D M2.6 x 6 : N30-2606-48 E M2 x 5 : N83-2005-48 Model name plate Parts with the exploded numbers larger than 700 are not supplied.

  • Page 24: Packing

    48 Holder (SP/MIC) (J29-5521-03) 705 Battery assy (Ni-Cd): BM,BM3 AK: TK-3302 K UK: TK-3302(U) K AM: TK-3302 M 706 Battery assy (Li-ion): AK,UK,AM BM: TK-3306 M BM3: TK-3306 M3 Parts with the exploded numbers larger than 700 are not supplied.
  • Page 25 TK-3302/3302 /3306 PACKING (P TYPE) 7 Instruction manual 70 AC adapter (B62-2139-00) (W08-0970-35) 40 Carton board (H13-2109-03) 704 Protection bag 50 Belt hook (J29-0734-05) 48 Holder (SP/MIC) (J29-5521-03) 68 Whip antenna (T90-1039-25) 4 Cap (B09-0725-03) 707 Battery assy (Ni-MH) 74 Charger (KSC-31)

  • Page 26: Adjustment

    TK-3302/3302 /3306 ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Specifi cations Frequency Range Operational frequency range of the transceiver Standard Signal Generator (SSG) Modulation Frequency modulation and external modulation Output –127dBm/0.1µV to greater than –47dBm/1mV Input Impedance 50Ω...
  • Page 27 470.100MHz cies you want in actual operation. 450.050MHz 450.100MHz High 489.950MHz 489.900MHz ■ Frequency (MHz) Low’ 460.050MHz 460.100MHz • TK-3302 K,M,P TK-3302(U) K TK-3306 M High’ 480.050MHz 480.100MHz Channel No. RX Frequency TX Frequency 470.050 470.100 TK-3306 M3 450.050 450.100 TEST CH 489.950...
  • Page 28 TK-3302/3302 /3306 ADJUSTMENT Fig. 4 Center frequency: BM3 Fig. 1 Center frequency: AK,AP,UK,AM,BM Fig. 5 High-edge frequency: BM3 Fig. 2 High-edge frequency: AK,AP,UK,AM,BM Fig. 3 Low-edge frequency: AK,AP,UK,AM,BM Fig. 6 Low-edge frequency: BM3...
  • Page 29 PTT: ON AK,AP,UK,AM, BM 3.0V BM3 4) CH: Low Check 0.6V or more PTT: ON AK: TK-3302 K AP: TK-3302 P UK: TK-3302(U) K AM: TK-3302 M BM: TK-3306 M BM3: TK-3306 M3 Transmitter Section Measurement Adjustment Item Condition Specifi cations / Remarks...
  • Page 30 HPF: OFF PTT: ON [Narrow] 2) TEST CH: Center 1.5kHz ±100Hz PTT: ON AK: TK-3302 K AP: TK-3302 P UK: TK-3302(U) K Receiver Section AM: TK-3302 M BM: TK-3306 M BM3: TK-3306 M3 Measurement Adjustment Item Condition Specifi cations / Remarks...
  • Page 31 TK-3302/3302 /3306 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1) Center frequency Adjust the waveform Spectrum analyzer setting as shown to the Fig. Center-f: 415MHz Spectrum TX-RX 4~6. Span: 200MHz analyzer...

  • Page 32: Pc Board

    TK-3302/3302 /3306 PC BOARD TX-RX UNIT (X57-7580-XX) -20: TK-3302 K,M,P TK-3302(U) K TK-3306 M -23: TK-3306 M3 Component side view (J79-0187-09) F301 C303 BATT+ MIC301 AFMUTE CP301 – C321 R201 C212 AFCONT THDET R309 IC303 MDSW R310 Q304 C331 C318...
  • Page 33 TK-3302/3302 /3306 PC BOARD TX-RX UNIT (X57-7580-XX) -20: TK-3302 K,M,P TK-3302(U) K TK-3306 M -23: TK-3306 M3 Component side view (J79-0187-09) J79-0187-09 Q108 L302 R135 C154 C325 Q107 R302 C315 Q109 R303 C313 C304 C311 C307 C305 C136 PCTV R118...
  • Page 34 TK-3302/3302 /3306 PC BOARD TX-RX UNIT (X57-7580-XX) -20: TK-3302 K,M,P TK-3302(U) K TK-3306 M -23: TK-3306 M3 Foil side view (J79-0187-09) J79-0187-09 SIDE1 L115 C239 L214 C177 CP202 R223 L113 C176 C170 C252 C248 R226 C256 L112 R227 C266 C247...
  • Page 35 TK-3302/3302 /3306 PC BOARD TX-RX UNIT (X57-7580-XX) -20: TK-3302 K,M,P TK-3302(U) K TK-3306 M -23: TK-3306 M3 Foil side view (J79-0187-09) SIDE2 R214 L202 C226 XF201 CD201 R216 Q203 D301 R218 R228 L204 C220 C216 R213 C223 C234 C231 R219...

  • Page 36: Schematic Diagram

    TK-3302/3302 /3306 SCHEMATIC DIAGRAM TX-RX UNIT (X57-7580-XX) PLL_CLK PLL_DAT 2.9V RK75HA1J101J PLL_STB PLL SYSTEM IC 2SC5636 MB15A02PFV2E1 RECTIFICATION RF AMP KTC4075E(Y,GR) 5.01V 470p 4.93V TXCO 4.48V F301 L77-3042-05 F53-0324-05 4.89V 2.5A L301 BATT VCoNT 0.64V BATT oUTPUT 4.7u 12.8MHz 270k 0.01u...
  • Page 37 TK-3302/3302 /3306 SCHEMATIC DIAGRAM TX-RX UNIT (X57-7580-XX) R:3.39V D3,6 4.91V RF AMP FREQUENCY CONTROL 270n RF AMP VCO (RX) 2.21V /RX VCO 2SC5636 0.76V 2SC5636 R:1.91V T:1.79V 180n 0.5p 1SV325F VCO/RX DC SW/ 3.69V 2SK1875-F(V) RX VCO R:0.59V RT1P430U T:5.02V 680k R:5.01V...
  • Page 38 TK-3302/3302 /3306 SCHEMATIC DIAGRAM TX-RX UNIT (X57-7580-XX) R:7.57V TX DRIVE AMP TX FINAL AMP R105 TX/RX T:4.6V T:4.61V T:7.24V T:1.30V RF SW Q103 R:0V Q106 C109 R102 C115 C125 L107 RQA0004PXDQS R109 R141 L104 R119 RD07MVS1BT122 T:3.21V MC2858 C101 8.2n...
  • Page 39 TK-3302/3302 /3306 SCHEMATIC DIAGRAM TX-RX UNIT (X57-7580-XX) C173 C175 C177 ANT SW 0.5p STRIP LINE D103 C170 CN13 C166 R137 L113 L114 L115 100p HSC277 L112 R140 ANT SW ANT SW R:4.88V T:0V R:4.88V L208 R:4.88V L204 R:1.75V R:4.78V Q203 3SK318 R:4.84V...

  • Page 40: Block Diagram

    TK-3302/3302 /3306 BLOCK DIAGRAM Q7:RT1P430U X57-7580-XX (TX-RX UNIT) RX_SW Switch Fuse 2.5A Oscillator: 5C_C Rx VCO Battery Protector Q4:2SK1875-F(V) Voltage D3,D6:1SV325F Regulator 5T_C D301:GN1G Q8:RT1P430U IC303: XC6209B502PR PLL_UL Rectifier Loop Switch TX_SW Switch Filter Rectifier Q1:KTC4075E(Y,GR) Q304:DTB723YE Power Switch/ PLL_DAT...
  • Page 41 450~490MHz: AK,AP,UK,AM,BM 400~430MHz: BM3 Q202:2SC4774 XF201:L71-0619-05 50kHz 411.15~451.15MHz: AK,AP,UK,AM,BM FM IF IC 361.15~391.15MHz: BM3 RSSI AK: TK-3302 K AP: TK-3302 P BUSY Discrimi- UK: TK-3302(U) K AM: TK-3302 M Switch nator BM: TK-3306 M BM3: TK-3306 M3 CD201:L79-1866-05 Q201:RT1P441U IC201:...

  • Page 42: Level Diagram

    TK-3302/3302 /3306 LEVEL DIAGRAM...

  • Page 43: Specifications

    Battery Life ............More than 18 hours at 4 watts (5-5-90 duty cycle with KNB-45L battery) Operating Temperature range .......–30°C to +60°C (–22°F to +140°F) Frequency Stability ..........±2.5ppm (–30°C to +60°C) Channel Frequency Spread ........40MHz (TK-3302 K,M,P TK-3302(U) K TK-3306 M) 30MHz (TK-3306 M3) Dimensions and Weight (Dimensions not including protrusions) Radio Only ............160g (5.6oz)
  • Page 44 Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road, Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex Kwai Fong, N.T., Hong Kong KENWOOD House, Dwight Road, Watford, Herts., 1 Ang Mo Kio Street 63, Singapore 569110 WD18 9EB United Kingdom...
  • Page 45 /3306 PC BOARD PC BOARD TX-RX UNIT (X57-7580-XX) TX-RX UNIT (X57-7580-XX) -20: TK-3302 K,M,P TK-3302(U) K TK-3306 M -23: TK-3306 M3 -20: TK-3302 K,M,P TK-3302(U) K TK-3306 M -23: TK-3306 M3 Component side view (J79-0187-09) Component side view (J79-0187-09) J79-0187-09...
  • Page 46 /3306 PC BOARD PC BOARD TX-RX UNIT (X57-7580-XX) TX-RX UNIT (X57-7580-XX) -20: TK-3302 K,M,P TK-3302(U) K TK-3306 M -23: TK-3306 M3 -20: TK-3302 K,M,P TK-3302(U) K TK-3306 M -23: TK-3306 M3 Foil side view (J79-0187-09) Foil side view (J79-0187-09) J79-0187-09...
  • Page 47 C177 C178 C231 C235 C236 C237 C240 C242 C244 C247 C248 C249 C257 C259 C261 C263 C264 C265 C266 C411 TK-3302 K,P,(U)K,M TK-3302 K,P,(U)K,M TK-3302 K,P,(U)K,M TK-3302 K,P,(U)K,M 180k 1.8k 0.01u 0.01u 0.1u35 470k 4.7k 470p 0.5p 2.7n 180k 3.9K 470p 3.5p...
  • Page 48 IC301: Q2:2SC4774 Ceramic BD4840FVE FM IF IC 411.15~451.15MHz: AK,AP,UK,AM,BM Filter 361.15~391.15MHz: BM3 RSSI CF201:L72-0973-05 AK: TK-3302 K AP: TK-3302 P Channel CN301 BUSY Discrimi- UK: TK-3302(U) K AM: TK-3302 M Selector Switch E40-6573-05 nator BM: TK-3306 M BM3: TK-3306 M3...

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Tk-3302uTk-3306Tk-3300

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