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Kenwood TK-3302 Service Manual Supplement

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See also: Service Manual , Instruction Manual
UHF FM TRANSCEIVER
TK-3302
SERVICE MANUAL
SUPPLEMENT
K2,K3,M2 Versions
Whip antenna
(T90-1040-25)
(T90-1041-25)
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.
© 2008-12 PRINTED IN JA PAN
B51-8852-00 ( N ) 358
This TK-3302 (K2,K3,M2) service manual contains a number of
sections which differ from the service manual (B51-8840-00) for
the TK-3302/3302(U)/3306 (K,P,M,M3).
For item other than those in this TK-3302 (K2,K3,M2) service
manual, please refer to the service manual (B51-8840-00) for the
TK-3302/3302(U)/3306 (K,P,M,M3).
CONTENTS
GENERAL .....................................................2
SYSTEM SET-UP .........................................3
REALIGNMENT ...........................................3
DISASSEMBLY FOR REPAIR ......................6
CIRCUIT DESCRIPTION ..............................6
PARTS LIST .................................................7
EXPLODED VIEW ......................................15
PACKING ....................................................16
ADJUSTMENT ..........................................18
TX-RX UNIT (X57-7580-XX) ..................24
SCHEMATIC DIAGRAM ............................28
BLOCK DIAGRAM .....................................32
LEVEL DIAGRAM ......................................34
SPECIFICATIONS ......................................35
This product uses Lead Free solder.

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  • Page 1: Table Of Contents

    This TK-3302 (K2,K3,M2) service manual contains a number of sections which differ from the service manual (B51-8840-00) for the TK-3302/3302(U)/3306 (K,P,M,M3). For item other than those in this TK-3302 (K2,K3,M2) service manual, please refer to the service manual (B51-8840-00) for the TK-3302/3302(U)/3306 (K,P,M,M3).

  • 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 SYSTEM SET-UP Merchandise received Frequency range (MHz) RF power Type TX/RX 470~512 4.0W TK-3302: K2,M2 Choose the type of transceiver TX/RX 400~430 4.0W TK-3302: K3 A personal computer, programming interface (KPG-22/22A), Transceiver programming and FPU (programming software) are required for programming.
  • Page 4 TK-3302 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 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 K2,M2 TK-3302 K3 the transceiver power ON. 2. Wait for 2 seconds. The LED will light orange and the...

  • Page 6: Disassembly For Repair

    TK-3302 DISASSEMBLY FOR REPAIR Screw sequence for mounting the TX-RX unit to the chassis Attach the TX-RX unit to the chassis using the screws in the order shown in the drawing below. TX-RX UNIT Component side view CIRCUIT DESCRIPTION 1. Frequency Confi guration The receiver utilizes double conversion.

  • Page 7: Parts List

    TK-3302 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. 5 = Value...
  • Page 8 Les articles non mentionnes dans le Parts No. ne sont pas fournis. Y : AAFES (Europe) X : Australia M : Oth er Areas Teile ohne Parts No. werden nicht geliefert. TK-3302 (Y50-6350-XX) TX-RX UNIT (X57-7580-XX) Desti- Desti- Ref. No.
  • Page 9 TK-3302 PARTS LIST TX-RX UNIT (X57-7580-XX) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation CC73HCH1H101J CHIP C 100PF K2,M2 CC73HCH1H0R3B CHIP C 0.3PF K2,K3,M2 CK73HB1H471K CHIP C 470PF...
  • Page 10 TK-3302 PARTS LIST TX-RX UNIT (X57-7580-XX) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation C155 CC73GCH1H0R3B CHIP C 0.3PF C232 CC73HCH1H040B CHIP C 4.0PF K2,M2 C161 CC73GCH1H010B CHIP C 1.0PF...
  • Page 11 TK-3302 PARTS LIST TX-RX UNIT (X57-7580-XX) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation C264 CC73HCH1H220J CHIP C 22PF K2,M2 C383-385 CK73HB1A104K CHIP C 0.10UF C264 CC73HCH1H3R5B CHIP C 3.5PF...
  • Page 12 TK-3302 PARTS LIST TX-RX UNIT (X57-7580-XX) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation L105 L41-2278-45 SMALL FIXED INDUCTOR (22NH) K,P,M RK73HB1J274J CHIP R 270K 1/16W K,P,M L105...
  • Page 13 TK-3302 PARTS LIST TX-RX UNIT (X57-7580-XX) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation R114 RK73HB1J822J CHIP R 8.2K 1/16W R222 RK73HB1J150J CHIP R 1/16W R116 RK73HB1J331J CHIP R...
  • Page 14 TK-3302 PARTS LIST TX-RX UNIT (X57-7580-XX) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation R374 RK73HB1J153J CHIP R 1/16W Q102 2SC4926YD TRANSISTOR K,P,M R375 RK73HB1J182J CHIP R 1.8K...

  • Page 15: Exploded View

    TK-3302 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 16: Packing

    TK-3302 PACKING (K2,K3,M2 TYPE) 7 Instruction manual (B62-2109-00) 71 Charger (KSC-35) (W08-0988-05) 72 AC adapter (W08-0989-15): K,K2,K3 704 Protection bag 73 AC adapter (W08-0992-05): M,M2 50 Belt hook (J29-0734-05) 61 Screw set (N99-2046-05) 4 Cap (B09-0725-03) 68 Whip antenna (T90-1039-25): K,M...
  • Page 17 TK-3302 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 18: Adjustment

    TK-3302 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 RF Power Meter...
  • Page 19 The speaker output connector must be terminated with a ■ Frequency (MHz) 8Ω dummy load and connected to an AC voltmeter and an audio distortion meter or a SINAD measurement meter at all • TK-3302 K2,M2 times during tuning. Channel No. RX Frequency TX Frequency 495.050...
  • Page 20 TK-3302 ADJUSTMENT Fig. 4 Center frequency: K3 Fig. 1 Center frequency: K2,M2 Fig. 5 High-edge frequency: K3 Fig. 2 High-edge frequency: K2,M2 Fig. 3 Low-edge frequency: K2,M2 Fig. 6 Low-edge frequency: K3...
  • Page 21 TK-3302 ADJUSTMENT Common Section Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Setting 1) BATT terminal votage: 7.5V 2) SSG standard modulation [Wide] MOD: 1kHz, DEV: 3kHz [Narrow] MOD: 1kHz, DEV: 1.5kHz 2.
  • Page 22 TK-3302 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 6. QT Fine 1) TEST CH: Center, Low, High Power 0.75kHz ±40Hz Deviation (3 points) meter [Wide] Deviation meter fi lter Deviation LPF: 3kHz...
  • Page 23 TK-3302 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 RBW: 30kHz...

  • Page 24: Pc Board

    TK-3302 PC BOARD TX-RX UNIT (X57-7580-XX) -22: K2,M2 -23: K3 Component side view (J79-0187-09) F301 C303 BATT+ MIC301 AFMUTE CP301 – C321 R201 C212 AFCONT THDET R309 IC303 MDSW R310 Q304 C331 C318 CN302 C310 RESET CN303 R317 MODE R316...
  • Page 25 TK-3302 PC BOARD TX-RX UNIT (X57-7580-XX) -22: K2,M2 -23: K3 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 R120 IC301 CN301 R123 – R126 Q301...
  • Page 26 TK-3302 PC BOARD TX-RX UNIT (X57-7580-XX) -22: K2,M2 -23: K3 Foil side view (J79-0187-09) J79-0187-09 SIDE1 L115 C239 L214 R229 C177 CP202 R223 L113 C176 C170 C252 C248 R227 R226 C256 L112 C266 C247 C245 L215 C259 C172 R222 R140...
  • Page 27 TK-3302 PC BOARD TX-RX UNIT (X57-7580-XX) -22: K2,M2 -23: K3 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 C233 C232 C222 R217 C408 L201 C102...

  • Page 28: Schematic Diagram

    TK-3302 SCHEMATIC DIAGRAM X57-7580-XX K,M,P 180k 270k 1.8k 0.01u 0.01u 470p 0.1u K2,M2 180k 2.2k 330k 1.2k 0.01u 0.01u 100p 0.047u 150k 270k 1.2k 470p 470p 470p 470p 0.047u 470p TX-RX UNIT (X57-7580-XX) PLL_CLK PLL_DAT 2.9V RK75HA1J101J PLL_STB PLL SYSTEM IC...
  • Page 29 TK-3302 SCHEMATIC DIAGRAM X57-7580-XX K,M,P 470k 4.7k 0.5p 470p 0.5p K2,M2 470k 4.7k 0.3p 390k 100p 1.5p 1.5p 3.5p 0.3p 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...
  • Page 30 TK-3302 SCHEMATIC DIAGRAM X57-7580-XX Q102 Q104 L102 L103 L104 L105 L107 L108 R104 R105 R107 R111 R116 R118 R121 R122 R124 R135 R201 R210 R212 C103 C104 C109 C115 C117 C118 C122 C123 C125 C126 C127 C132 C219 K,M,P 2SC4926YD 8.2n...
  • Page 31 TK-3302 SCHEMATIC DIAGRAM X57-7580-XX L205 L213 L214 L215 R218 R222 R223 R227 R229 C142 C143 C145 C146 C155 C161 C162 C164 C166 C168 C169 C172 C173 C174 C175 C176 C177 C178 K,M,P 8.2n 2.5p 0.5p K2,M2 3.9n 3.9n 2.5p 0.5p 8.2n...

  • Page 32: Block Diagram

    TK-3302 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 AF Volium...
  • Page 33 TK-3302 BLOCK DIAGRAM DC_SW IC101: PCTV BA2904FVM Switch Q104:RT1N441U Switch APC_SW Q108:2SK1824-A Tempera- Lipple TH_DET ture Filter Detector APC_SW Switch Switch Q6,Q10: TH101 Tx/Rx: KTC4075E(Y,GR) Protector D101:UDZW5.1(B) Q107:RT1N441U Q109:RT1P441U 5T 5R T1P430U Buffer Tx/Rx Pre-drive Low Pass Drive Final TX_SW...

  • Page 34: Level Diagram

    TK-3302 LEVEL DIAGRAM...

  • Page 35: 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 ........42MHz (TK-3302 K2,M2) 30MHz (TK-3302 K3) Dimensions and Weight (Dimensions not including protrusions) Radio Only ............160g (5.6oz)
  • Page 36 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 37 TK-3302 TK-3302 PC BOARD PC BOARD TX-RX UNIT (X57-7580-XX) -22: K2,M2 -23: K3 TX-RX UNIT (X57-7580-XX) -22: K2,M2 -23: K3 Component side view (J79-0187-09) Component side view (J79-0187-09) J79-0187-09 Q108 L302 R135 C154 C325 Q107 R302 C315 F301 Q109 R303...
  • Page 38 TK-3302 TK-3302 PC BOARD PC BOARD TX-RX UNIT (X57-7580-XX) -22: K2,M2 -23: K3 TX-RX UNIT (X57-7580-XX) -22: K2,M2 -23: K3 Foil side view (J79-0187-09) Foil side view (J79-0187-09) J79-0187-09 SIDE1 SIDE2 R214 L202 C226 L115 XF201 CD201 R216 Q203 D301...
  • Page 39 X57-7580-XX X57-7580-XX X57-7580-XX Q102 Q104 L102 L103 L104 L105 L107 L108 R104 R105 R107 R111 R116 R118 R121 R122 R124 R135 R201 R210 R212 C103 C104 C109 C115 C117 C118 C122 C123 C125 C126 C127 C132 C219 X57-7580-XX L205 L213 L214 L215 R218...
  • Page 40 DC_SW Q7:RT1P430U IC101: X57-7580-XX (TX-RX UNIT) PCTV BA2904FVM RX_SW Switch Switch Q104:RT1N441U Switch APC_SW Fuse Q108:2SK1824-A 2.5A Tempera- Lipple TH_DET ture Oscillator: w Filter Detector 5C_C Rx VCO APC_SW Switch Switch Q6,Q10: TH101 Battery Tx/Rx: q KTC4075E(Y,GR) Protector Protector D101:UDZW5.1(B) Q4:2SK1875-F(V) Q107:RT1N441U Q109:RT1P441U...

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