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Kenwood TK-3130 Service Manual

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Download this manual See also: Instruction Manual
UHF FM TRANSCEIVER
TK-3130/3131
SERVICE MANUAL
Antenna
(T90-1004-05)
Button knob (PTT)
(K29-9137-13)
Key top
(K29-9136-12)
Cabinet assy (Front)
(A02-3663-03) : 30K
(A02-3705-03) : 31K
(A02-3706-03) : A
Photo is TK-3130.
Knob (VOL)
(K29-9138-03)
Cap (P-jack)
(B09-0627-03)
30K : TK-3130 (K type)
31K : TK-3131 (K type)
A
: TK-3131 (A type)
© 2001-11
CONTENTS
GENERAL .................................................. 2
REALIGNMENT ......................................... 3
CIRCUIT DESCRIPTION ............................ 5
SEMICONDUCTOR DATA ........................ 9
PARTS LIST ............................................. 11
EXPLODED VIEW .................................... 17
PACKING ................................................. 18
ADJUSTMENT ........................................ 20
PC BOARD VIEWS
SCHEMATIC DIAGRAM .......................... 33
BLOCK DIAGRAM ................................... 37
LEVEL DIAGRAM .................................... 39
TERMINAL FUNCTION ........................... 40
SPECIFICATIONS .................................... 41

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Summary of Contents for Kenwood TK-3130

  • Page 1: Table Of Contents

    (A02-3705-03) : 31K (A02-3706-03) : A LEVEL DIAGRAM ........39 TERMINAL FUNCTION ......40 KNB-27N (Ni-MH BATTERY PACK) ..40 SPECIFICATIONS ........41 Photo is TK-3130. 30K : TK-3130 (K type) 31K : TK-3131 (K type) : TK-3131 (A type)

  • Page 2: General

    TK-3130/3131 GENERAL INTRODUCTION PERSONNEL SAFETY SCOPE OF THIS MANUAL The following precautions are recommended for person- nel safety : This manual is intended for use by experienced techni- • DO NOT transmit until all RF connectors are secure and cians familiar with similar types of commercial grade com- any open connectors are properly terminated.

  • Page 3: Getting Acquainted

    TK-3130/3131 GENERAL TK-3131 Destination Number of CH Frequency No. / Frequency / Color RF power output 14 channel CH1 : 467.5125MHz 1W / 500mW CH2 : 467.5250MHz CH3 : 467.5375MHz CH4 : 467.5500MHz CH5 : 467.5625MHz CH6 : 467.5750MHz CH7 : 467.5875MHz CH8 : 467.6000MHz...

  • Page 4: Circuit Description

    TK-3130/3131 CIRCUIT DESCRIPTION Frequency Configuration Item Rating Nominal center frequency (fo) 38.85MHz 450kHz ± 5.0kHz or more at 3dB Pass bandwidth 460~470MHz 38.85MHz ± 18.5kHz or less at 35dB Attenuation bandwidth 1st MIX Ripple 1.0dB or less MIX, IF Insertion loss 4.0dB or less...
  • Page 5 TK-3130/3131 CIRCUIT DESCRIPTION IF Amplifier Transmitter System The IF circuit is integrated in the FM IC (IC2). The IF IC Microphone Amplifier Circuit contains local input, mixer, limiter amplifier, FM DET, and The audio signal from the microphone passes through low-frequency amplifier.
  • Page 6 TK-3130/3131 CIRCUIT DESCRIPTION In receive mode, the shift signal T/R goes low, Q2 turns PLL System off, and the shift diode (D17) not contact. Q4 produces the VCO Circuit first local frequency for reception. The VCO is housed in a shield case.
  • Page 7 TK-3130/3131 CIRCUIT DESCRIPTION QT/DQT Control System • Encode (Transmit) Reset Circuit QT/DQT signal is generated by CPU (IC204). Output sig- When a battery voltage is dropped, IC201 is detected low nal (IC204 pin 40 (TO)) goes to TCXO modulation and VCO voltage, and this detected signal input to IC204 for stop the modulation (Through the VR200).

  • Page 8: Semiconductor Data

    TK-3130/3131 SEMICONDUCTOR DATA CPU : MN101C54AKA (TX-RX UNIT (A/2) IC204) Terminal function Pin No. Port Name Function Pin No. Port Name Function V1~V3 LCD Voltage BATT L Battery Low TCLK MSK TX Clock Detect MSK Data AF MUTE RXsignal AF Mute...

  • Page 9: Description Of Components

    TK-3130/3131 DESCRIPTION OF COMPONENTS TX-RX UNIT (X57-6460-XX) Ref. No. Part Name Description Ref. No. Part Name Description Phase locked loop system Q201 Transistor DC switch (Busy) IF system Q202 Transistor DC switch (TX) Q210 Transistor MIC mute / AGC IC200...

  • Page 10: Parts List

    TK-3130/3131 PARTS LIST CAPACITORS CC 45 TH 1H 220 J • Capacitor value Color* CC45 010 = 1pF 0 = 22pF 100 = 10pF 1 = Type … ceramic, electrolytic, etc. 4 = Voltage rating Multiplier 101 = 100pF 2 = Shape … round, square, ect.
  • Page 11 Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation TX-RX UNIT (X57-6460-XX) -10 : TK-3130/3131 K -31 : TK-3131 A TK-3130/3131 A02-3661-13 CABINET ASSY (REAR) D200 B30-2143-05 LED (YG) A02-3663-03 CABINET ASSY (FRONT) D201 B30-2242-05...
  • Page 12 TK-3130/3131 PARTS LIST TX-RX UNIT (X57-6460-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation CC73GCH1H070B CHIP C 7.0PF C190 CK73HB1H471K CHIP C 470PF CC73GCH1H150J CHIP C 15PF C191 CK73HB1C103K CHIP C 0.010UF...
  • Page 13 TK-3130/3131 PARTS LIST TX-RX UNIT (X57-6460-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C270 CK73HB1C123K CHIP C 0.012UF RK73HB1J472J CHIP R 4.7K 1/16W C271 CK73FB1A105K CHIP C 1.0UF RK73HB1J273J...
  • Page 14 TK-3130/3131 PARTS LIST TX-RX UNIT (X57-6460-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R105 RK73HB1J153J CHIP R 1/16W R257 R92-1368-05 CHIP R 0 OHM R107 RK73HB1J332J CHIP R 3.3K...
  • Page 15 TK-3130/3131 PARTS LIST TX-RX UNIT (X57-6460-XX) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation D9,10 HSC277 DIODE HVC131 DIODE HSC277 DIODE MA742 DIODE HSC277 DIODE D202 MA742 DIODE D204 DAN222...

  • Page 16: Exploded View

    TK-3130/3131 EXPLODED VIEW MIC200 VR202 J200 TX-RX UNIT (A/2) 700 Frame TX-RX UNIT (B/2) Fold the tab on the conductive sheet (G11-4193-04) as shown below. : N14-0583-04 701 S/No. label B M2 x 3 : N39-2030-46 C M2 x 6 BLK...

  • Page 17: Packing

    TK-3130/3131 PACKING (TK-3130/3131 K) 39 AC adapter 10 Instruction manual (W08-0937-05) (B62-1486-00) : TK-3130 (B62-1590-00) : TK-3131 40 Charger (W08-0938-15) 9 Warranty card (B46-0773-10) : TK-3130 (B46-0774-00) : TK-3131 24 Protection bag 28 Hook assy (H25-2345-04) (J29-0691-04) 702 KNB-27N (Ni-MH battery pack)
  • Page 18 TK-3130/3131 PACKING (TK-3131 A) 11 Instruction manual (B62-1591-00) 28 Hook assy (J29-0691-04) 24 Protection bag (H25-2345-04) 22 Packing fixture (H12-3110-05) 26 Item carton case (H52-1898-02)

  • Page 19: Adjustment

    TK-3130/3131 ADJUSTMENT Required Test Equipment Switches 1. Stabilized Power Supply Antenna 1) The supply voltage can be changed between 0V and 10V, and the current is 3A or more 2) The standard voltage is 3.8V 2. DC Ammeter 1) Class 1 ammeter (17 ranges and other features).

  • Page 20: Tx-Rx Unit (X57-6460-Xx) (B/2)

    TK-3130/3131 ADJUSTMENT Jigs Connecting Jigs Use jigs for repair or adjustment. Connect the extension cable as shown in the illustration below. Extension cable (E30-3480-08) CN202 Extension cable TX-RX unit (E30-3480-08) (B/2) TX-RX unit (A/2) ANT cable (E30-3418-05) Solder the ANT cable to the ANT terminal on the TX-RX Modify the cable as shown below.
  • Page 21 TK-3130/3131 PC BOARD VIEW TX-RX UNIT (X57-6460-XX) (B/2) Component side view -10 : TK-3130/3131 K -31 : TK-3131 A C198 C182 C194 C150 C148 C151 R107 R147 R108 C193 C165 C178 C153 C179 C106 R110 C190 C155 C147 R105 C164...
  • Page 22 TK-3130/3131 PC BOARD VIEWS TX-RX UNIT (X57-6460-XX) (B/2) Foil side view TX-RX UNIT (X57-6460-XX) (B/2) Component side view + Foil side -10 : TK-3130/3131 K -31 : TK-3131 A -10 : TK-3130/3131 K -31 : TK-3131 A C198 R118 R118...
  • Page 23 TK-3130/3131 PC BOARD VIEW TX-RX UNIT (X57-6460-XX) (A/2) Component side view -10 : TK-3130/3131 K -31 : TK-3131 A R203 IC213 – R256 R204 C268 D200 C225 C223 C206 R218 C240 R255 Q200 C249 R254 R200 C205 R339 R338 R245...
  • Page 24 TK-3130/3131 PC BOARD VIEW TX-RX UNIT (X57-6460-XX) (A/2) Foil side view -10 : TK-3130/3131 K -31 : TK-3131 A S200 PTT SW L201 R243 R244 R301 C266 R300 R317 C247 C278 C235 R248 IC204 R308 CN202 C291 C253 L202 C254 +...
  • Page 25 TK-3130/3131 PC BOARD VIEW TX-RX UNIT (X57-6460-XX) (A/2) Component side view + Foil side -10 : TK-3130/3131 K -31 : TK-3131 A S200 PTT SW R203 IC213 – R256 L201 R204 C268 D200 R243 C225 C223 R244 R301 C206 R218...

  • Page 26: Schematic Diagram

    TK-3130/3131 SCHEMATIC DIAGRAM Note : Component marked with a dot ( ) are parts of pattern 1.

  • Page 27: Block Diagram

    TK-3130/3131 TK-3130/3131 BLOCK DIAGRAM...

  • Page 29: Terminal Function

    TK-3130/3131 TERMINAL FUNCTION / KNB-27N (Ni-MH BATTERY PACK) TERMINAL FUNCTION KNB-27N CN1 and CN202 External View Pin No. Pin name Function PLL unlock line PLL clock line HI/LO Hi or Lo RF power switching line PLL data line PABC Control line for TX RF power B...

  • Page 30: Specifications

    Dimensions (W x H x D) ........56 (2-13/64) x 117.5 (4-5/8) x 28.75 (1-1/8) mm (inches) (Dimensions without antenna, accessory and optional item) Weight TK-3130/3131 ..........K : Approx. 200g (7.0 oz) with KNB-27N battery and antenna TK-3131 ............A : Approx. 190g (6.7 oz) with 3AA batteries and antenna Standard Load Antenna Impedance ........
  • Page 31 Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium KENWOOD ELECTRONICS FRANCE S.A. 13, Boulevard Ney, 75018 Paris, France KENWOOD ELECTRONICS U.K. LIMITED KENWOOD House, Dwight Road, Watford, Herts., WD1 8EB United Kingdom KENWOOD ELECTRONICS EUROPE B.V. Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands KENWOOD ELECTRONICS ITALIA S.p.A.

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Tk-3131

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