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Kenwood TK-3312 Service Manual
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Kenwood TK-3312 Service Manual

Kenwood TK-3312 Service Manual

Uhf fm transceiver
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See also: Instruction Manual
UHF FM TRANSCEIVER
TK-3312/3317
SERVICE MANUAL
K, M Versions
Whip antenna
(T90-1039-25)
Button knob (PTT)
(K29-9425-03)
Button knob
(SIDE1/SIDE2)
(K29-9426-03)
Key top (7key)
(K29-9463-12)
Plastic cabinet assy
(A02-4095-23)
This product complies with the RoHS directive for the European market.
Knob (Selector)
(K29-9427-03)
Knob (Volume)
(K29-9309-13)
© 2010-11 PRINTED IN JAPAN
B51-8943-00 ( Y ) 684
CONTENTS
GENERAL ....................................................2
SYSTEM SET-UP .........................................3
REALIGNMENT ...........................................3
DISASSEMBLY FOR REPAIR .....................9
CIRCUIT DESCRIPTION ...........................12
SEMICONDUCTOR DATA .........................17
COMPONENTS DESCRIPTION ................18
PARTS LIST ...............................................19
EXPLODED VIEW ......................................26
PACKING ...................................................27
ADJUSTMENT ...........................................29
TX-RX UNIT (X57-7890-21) ....................34
SCHEMATIC DIAGRAM ............................38
BLOCK DIAGRAM .....................................44
LEVEL DIAGRAM ......................................46
SPECIFICATIONS .................. BACK COVER
This product uses Lead Free solder.

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  • Page 1: Table Of Contents

    UHF FM TRANSCEIVER TK-3312/3317 SERVICE MANUAL K, M Versions © 2010-11 PRINTED IN JAPAN B51-8943-00 ( Y ) 684 CONTENTS GENERAL ............2 SYSTEM SET-UP .........3 REALIGNMENT ...........3 DISASSEMBLY FOR REPAIR .....9 CIRCUIT DESCRIPTION ......12 Whip antenna Knob (Selector) (T90-1039-25) (K29-9427-03) SEMICONDUCTOR DATA ......17...

  • Page 2: General

    Kenwood assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. Kenwood reserves the right to make changes to any products herein at any time for improvement purposes. GENERAL...

  • Page 3: System Set-Up

    SYSTEM SET-UP Merchandise received Frequency range (MHz) RF power Type TX/RX 450~520 5.0W TK-3312 K,M Choose the type of transceiver TX/RX 450~520 5.0W TK-3317 M A personal computer, programming interface (KPG-22/22A), Transceiver programming and FPU (programming software) are required for programming.
  • Page 4 TK-3312/3317 REALIGNMENT 3-6. Programming with PC 3. PC Mode If data is transferred to the transceiver from a PC with the 3-1. Preface FPU, the data for each set can be modified. The transceiver is programmed by using a personal com-...
  • Page 5 TK-3312/3317 REALIGNMENT • Electronic interface may cause a failure in data transfer 4. Wireless Clone Mode during Wireless Clone, such as when waveforms or elec- 4-1. Outline tromagnetics are being performed at the workbench. “Wireless Clone Mode” copies the transceiver data to an- •...

  • Page 6: Self Programming Mode

    TK-3312/3317 REALIGNMENT Key operation 5. Self Programming Mode Key Function Write mode for frequency data and signaling, etc. To be used ONLY by the authorized service person maintaining the Toggle between Zone selection and Channel selec- [Selector] tion user's equipment. After programming, reset the FPU to the “Self- Programming”...
  • Page 7 TK-3312/3317 REALIGNMENT 5-5. Item Setting Mode 5-6. Self Programming Mode flow chart ■ Channel selection mode flow chart In this mode, the selected item in the Item Selection mode can be programmed. When the [S] key is pressed in the Item Selection mode,...
  • Page 8 TK-3312/3317 REALIGNMENT ■ Item setting mode flow chart 6. Firmware Version Information Mode Turn the transceiver ON with the [Side1] and [Side2] keys Display Current held down. Then, the version is displayed during holding the 490. 00000 setting value [1. RX frequency] or [Side1] and [Side2] keys.

  • Page 9: Disassembly For Repair

    TK-3312/3317 DISASSEMBLY FOR REPAIR 1. Removing the Case Assembly from the 3. Removing the TX-RX unit from the Chassis Chassis 1. Remove the selector knob a and volume knob b . 1. Remove the eleven screws f fixing the TX-RX unit.
  • Page 10 TK-3312/3317 DISASSEMBLY FOR REPAIR 5. Attaching the Battery Release Lever to 6. Assembling the Battery Release Lever 1. Place the lever b onto the stopper a . the Case Assembly 2. Place the thick spring c onto the lever. 1. Insert one side of the shaft into the hole at the lever fitting 3.
  • Page 11 TK-3312/3317 DISASSEMBLY FOR REPAIR 8. Mounting the Chassis to the Case 10. The Nuts of the Volume Knob and Assembly Channel Knob 1. Confirm that the waterproof packing attached to the Note that the shapes, colors and heights of nuts of the...

  • Page 12: Circuit Description

    TK-3312/3317 CIRCUIT DESCRIPTION 1. Frequency Configuration The receiver utilizes double conversion. The first IF is 49.95MHz and the second IF is 450kHz. The first Local os- cillator is supplied from the PLL circuit. The PLL circuit in the transmitter generates the neces- sary frequencies.
  • Page 13 TK-3312/3317 CIRCUIT DESCRIPTION 2-3. IF Amplifier Circuit 2-5. Audio Amplifier Circuit The first IF signal is passed through a four-pole mono- The demodulated signal from IC401 is sent to an AF am- lithic crystal filter (XF401) to remove the adjacent channel plifier through baseband IC (IC812), and is routed to an au- signal.
  • Page 14 TK-3312/3317 CIRCUIT DESCRIPTION 3-2. Driver and Final Amplifier Circuit 3-3. APC Circuit The signal from the T/R switch (D18 is on) is amplified by The APC circuit always monitors the current flowing the RF AMP (Q201) and pre-drive amplifier (Q203) to 50mW.
  • Page 15 TK-3312/3317 CIRCUIT DESCRIPTION 5-2. Memory Circuit The Memory circuit consists of the MCU (IC820) and EEPROM (IC810). The EEPROM has a capacity of 512k bits BUFF BUFF (TX: High) RF AMP and stores the channel information, the last channel data, the scan on status, and other parameters.
  • Page 16 TK-3312/3317 CIRCUIT DESCRIPTION ■ High-speed data (2-tone) 5-4. Key Input Keys and channel selector circuit. High-speed data (HSD) is output from pin 3 of the MCU. The signal from the keys and channel selector are direct- HSD deviation made by an adjustment in the MCU is passed ly input to the MCU, as shown in Figure 10.

  • Page 17: Semiconductor Data

    TK-3312/3317 SEMICONDUCTOR DATA MCU: F363BEDFEKDLB (TX-RX unit: IC820) Pin No. Signal Name Function CM_DTI Baseband IC data input Pin No. Signal Name Function CM_CNS Baseband IC chip select output BSHIFT CPU clock frequency shift LSDO DC_SW APC voltage discharge switch...

  • Page 18: Components Description

    TK-3312/3317 COMPONENTS DESCRIPTION TX-RX unit (X57-7890-21) Ref. No. Use / Function Operation / Condition Q805 DC switching Green/Red LED Ref. No. Use / Function Operation / Condition Q807 DC switching MCU clock shift circuit PLL IC TX/RX 1st local OP amplifier...

  • Page 19: Parts List

    CC73HCH1H030B CHIP C 3.0PF N30-2604-48 PAN HEAD MACHINE SCREW(SMA) CC73HCH1H080B CHIP C 8.0PF N30-2606-48 PAN HEAD MACHINE SCREW CC73HCH1H080B CHIP C 8.0PF 2B,3A N83-2005-48 PAN HEAD TAPTITE SCREW CC73HCH1H100B CHIP C 10PF TK-3312 K M: TK-3312 M M1: TK-3317 M...
  • Page 20 0.033UF K C226 CC73HCH1H300J CHIP C 30PF C429 CC73HCH1H330J CHIP C 33PF C227 CC73GCH1H240J CHIP C 24PF C431 CK73HB1A104K CHIP C 0.10UF C228 CC73GCH1H0R3B CHIP C 0.3PF C433 CK73HB1E103K CHIP C 0.010UF K TK-3312 K M: TK-3312 M M1: TK-3317 M...
  • Page 21 C831 CK73GB0J106K CHIP C 10UF C925 CK73HB1A473J CHIP C 0.047UF J C832 CK73HB1A104K CHIP C 0.10UF C926 CS77CC0J101M CHIP TNTL 100UF 6.3WV C833 CK73HB1H471K CHIP C 470PF C929 CK73HB1H471K CHIP C 470PF TK-3312 K M: TK-3312 M M1: TK-3317 M...
  • Page 22 CHIP R 100K 1/16W L302 L92-0138-05 CHIP FERRITE RK73HB1J221J CHIP R 1/16W SMALL FIXED INDUCTOR (180NH) L401 L40-1885-92 RK73HB1J151J CHIP R 1/16W SMALL FIXED INDUCTOR (100NH) L402 L40-1085-57 RK73HB1J104J CHIP R 100K 1/16W TK-3312 K M: TK-3312 M M1: TK-3317 M...
  • Page 23 R316 RK73HB1J563J CHIP R 1/16W R810 RK73HB1J104J CHIP R 100K 1/16W R317 RK73HB1J000J CHIP R 1/16W R811 RK73GB2A271J CHIP R 1/10W R318 RK73HB1J474J CHIP R 470K 1/16W R813 RK73HB1J473J CHIP R 1/16W TK-3312 K M: TK-3312 M M1: TK-3317 M...
  • Page 24 1/16W D401,402 KDS121E-P DIODE R907 RK73HB1J272J CHIP R 2.7K 1/16W VARIABLE CAPACITANCE DIODE R908 RK73HB1J104J CHIP R 100K 1/16W D403-405 HVC350B VARIABLE CAPACITANCE DIODE R909 RK73HB1J105J CHIP R 1.0M 1/16W D407,408 HVC350B TK-3312 K M: TK-3312 M M1: TK-3317 M...
  • Page 25 KTC4080E-P TRANSISTOR Q404 RT1P441U-T111 TRANSISTOR Q405 KTC4080E-P TRANSISTOR Q406 3SK318 Q407 3SK293-F Q801 UPA672T-A Q802,803 SSM6L05FU-F Q804 SSM3J05FU-F Q805 2SK1830F Q807 2SC4919-S TRANSISTOR Q809 KTC4075E(Y,GR) TRANSISTOR Q810 2SC4116(GR)F TRANSISTOR Q811 2SA1586(Y,GR)F TRANSISTOR TK-3312 K M: TK-3312 M M1: TK-3317 M...

  • Page 26: Exploded View

    TK-3312/3317 EXPLODED VIEW TX-RX unit A : N14-0848-05 B : N14-0849-05 C : N30-2604-48 D : N30-2606-48 E : N83-2005-48 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 27: Packing

    TK-3312/3317 PACKING (TK-3312 K, M) 7 Instruction manual 67 AC adapter (B62-2238-00) (W08-0989-25): K 66 Charger 68 AC adapter (W08-0988-05) (W08-0992-05): M 704 Protection bag 703 Battery assy (KNB-45L: Li-ion) 50 Belt clip (KBH-10) 48 Holder (SP/MIC) (J19-5549-03) 60 Screw set...
  • Page 28 TK-3312/3317 PACKING (TK-3317 M) 6 Instruction manual (B62-2237-00) 704 Protection bag 50 Belt clip (KBH-10) 48 Holder (SP/MIC) 60 Screw set 3 Cap 706 Packing fixture 707 Item carton case Parts with the exploded numbers larger than 700 are not supplied.

  • Page 29: Adjustment

    TK-3312/3317 ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Specifications 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 Operation Frequency...
  • Page 30 TK-3312/3317 ADJUSTMENT Frequency and Signaling Preparations for Tuning the Transceiver The transceiver has been adjusted for the frequencies Before attempting to tune the transceiver, connect the shown in the following table. When required, re-adjust them unit to a suitable power supply.
  • Page 31 TK-3312/3317 ADJUSTMENT Common Section Measurement Adjustment Item Condition Specifications / 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. Receive...
  • Page 32 TK-3312/3317 ADJUSTMENT Measurement Adjustment Item Condition Specifications / Remarks Test- Unit Terminal Unit Parts Method equipment 6. DQT 1) TEST CH: 1 Power 0.75kHz ±40Hz Deviation Deviation meter filter meter [Wide] LPF: 3kHz Deviation HPF: OFF meter PTT: ON Oscilloscope 7.
  • Page 33 TK-3312/3317 ADJUSTMENT Measurement Adjustment Item Condition Specifications / Remarks Test- Unit Terminal Unit Parts Method equipment 3. Tight 1) TEST CH: Center, Low, High Press [Start] Squelch (3 points) (Auto tuning) Oscilloscope [Wide] SSG otuput: –115dBm (0.4µV) SSG MOD: 3.0kHz...

  • Page 34: Pc Board

    TK-3312/3317 PC BOARD TX-RX UNIT (X57-7890-21) Component side view (J79-0288-09) J79-0288-09 R955 D819 C945 C496 R469 R470 COM1 BPF1 COM2 COM3 COM4 SEG1 C811 SEG2 SEG3 CP837 SEG4 SEG5 R956 SEG6 D831 SEG7 R707 BATT SEG8 R703 D830 SEG9 SEG10...
  • Page 35 TK-3312/3317 PC BOARD TX-RX UNIT (X57-7890-21) Component side view (J79-0288-09) C819 R312 C307 R955 R306 R311 D819 C945 D824 D818 L302 Q304 IC301 COM1 Q305 COM2 CP836 C311 R318 COM3 IC810 R308 COM4 SEG1 Q822 SEG2 R235 C831 SEG3 CP837...
  • Page 36 TK-3312/3317 PC BOARD TX-RX UNIT (X57-7890-21) Foil side view (J79-0288-09) SIDE2 SIDE1 C256 C818 R305 D301 Q301 R456 C474 C495 L418 L491 C466 Q407 C302 C467 C469 C250 R458 D408 R462 C486 R481 C462 R209 R213 L217 C484 C482 R463...
  • Page 37 TK-3312/3317 PC BOARD TX-RX UNIT (X57-7890-21) Foil side view (J79-0288-09) J79-0288-09 SIDE2 R406 C406 C818 C403 L410 L408 C402 C455 C452 R409 R408 D803 C447 R471 R450 R446 D402 R445 R440 R454 C464 C458 R443 CF402 C460 C463 C450 Q401...

  • Page 38: Schematic Diagram

    TK-3312/3317 SCHEMATIC DIAGRAM TX-RX UNIT (X57-7890-21) TX-RX UN S IG N BUSY B30-2314-05 B30-2315-05 B30-1790-05 D8 0 1 D 8 0 4 D 8 0 5 D C S W BLUE LED 2 S K 1 8 3 0 F D C S W ON:3.3V...
  • Page 39 TK-3312/3317 SCHEMATIC DIAGRAM TX-RX UNIT (X57-7890-21) TH_DET THDET THDET AFCONT AFCONT CVIN CVIN BATT 3.3V 3.3V E E P RO M I C 8 1 0 CM_CSN CM_DTI V C C H o L D LCDBL R 9 7 8...
  • Page 40 TK-3312/3317 SCHEMATIC DIAGRAM TX-RX UNIT (X57-7890-21) TX-R THDET THDET AFCONT CVIN BATT C P 1 100x4 5.0V R 1 6 5.0V PL_STB PL_DAT LOIN PL_CLK PL_UL CVIN D C AMP I C 2 T C X O 3.3V 7 LD...
  • Page 41 TK-3312/3317 SCHEMATIC DIAGRAM 90-21) TX-RX UNIT (X57-7890-21) THDET R 6 0 2.7V 1 5 n C 2 0 C 2 9 C 3 4 R 6 2 LOIN 0.3V 1 5 0 k 1 0 p 4 7 0 p...
  • Page 42 TK-3312/3317 SCHEMATIC DIAGRAM TX-RX UNIT (X57-7890-21) R 2 1 3 THDET R 2 1 1 D R I V E R 2 0 3 R 2 0 6 1 . 8 k C 2 2 2 R: 0V 2 7 0...
  • Page 43 TK-3312/3317 SCHEMATIC DIAGRAM TX-RX UNIT (X57-7890-21) THDET F I N A L DRVOUT A N T S W R D 0 7 M U S 2 B T 1 1 2 A N T L 2 2 1 STRIP LINE...

  • Page 44: Block Diagram

    TK-3312/3317 BLOCK DIAGRAM X57-789 B30-2337-05 D818-D821,824 2SC5636 RF BUFFER LCD BACK LIGHT Q820 PL_LE 2SC4617(S) PL_DAT UHF: 33MS 400.05MHz Q821 2SB1694 450MHz~5 D817 MA2S111-F PL_CLK LCDBL MCH3914(7)-H SWIN LCD DRIVER D6,D9 1SV323F PL_LD AK1541 D16 KDV214E-P 2SC5636 2SC5 LCDAT LCLD...
  • Page 45 TK-3312/3317 BLOCK DIAGRAM 5636 UHF: UFFER 450MHz~ 520MHz UHF: 400.05MHz~470.05MHz (RX) 450MHz~520MHz (TX) D17 HSC277 Q201 Q203 Q204 Q205 D201,D202 HVC131 D18 HVC131 2SC5636 2SC5636 2SC5636 2SC5455-A RFM01U7P RD07MUS2BT112 D203,D204 RN142S RF BUFFER TX/RX RF AMP RF AMP PRE DRIVE...

  • Page 46: Level Diagram

    TK-3312/3317 LEVEL DIAGRAM...

  • Page 47: Optional Accessories

    TK-3312/3317 OPTIONAL ACCESSORIES KNB-29N (Ni-MH Battery Pack) KNB-53N (Ni-MH Battery Pack) ■ External View ■ External View ■ Specifications ■ Specifications Voltage ......7.2V (1.2V x 6) Voltage ......7.2V (1.2V x 6) Battery capacity ..1500mAh Battery capacity ..1400mAh KNB-45L (Li-ion Battery Pack) KMC-48GPS (GPS Speaker Microphone) ■...

  • Page 48: Specifications

    Suite 2504, 25/F, Tower 2, Nina Tower, No. 8 Yeung Uk Road, Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex Tsuen Wan, New Territories, Hong Kong KENWOOD House, Dwight Road, Watford, Herts., 1 Ang Mo Kio Street 63, Singapore 569110 WD18 9EB United Kingdom...
  • Page 49 TK-3312/3317 TK-3312/3317 PC BOARD PC BOARD TX-RX UNIT (X57-7890-21) Component side view (J79-0288-09) TX-RX UNIT (X57-7890-21) Component side view (J79-0288-09) C819 J79-0288-09 R955 R312 C307 R306 R311 D819 C945 D824 D818 C496 L302 R469 Q304 IC301 R470 COM1 BPF1 Q305...
  • Page 50 TK-3312/3317 TK-3312/3317 PC BOARD PC BOARD TX-RX UNIT (X57-7890-21) Foil side view (J79-0288-09) TX-RX UNIT (X57-7890-21) Foil side view (J79-0288-09) J79-0288-09 SIDE2 SIDE1 R406 C406 C256 C818 R305 C403 D301 L410 L408 C402 C455 C452 R409 R408 D803 C447 R450...
  • Page 51 OPTDET OPTDET VOLOUT VOLOUT VOLOUT VOLOUT VOLOUT VOLOUT VOLOUT VOLOUT VOLOUT (1.0A) F 8 0 2 SIDE2 F 5 3 - 0 3 1 9 - 1 5 TK-3312(K)(1/6) (10’08) TK-3312(K)(2/6) (10’08) TK-3312(K)(3/6) (10’08) TK-3312(K)(4/6) (10’08) TK-3312(K)(5/6) (10’08) TK-3312(K)(6/6) (10’08)
  • Page 52 X57-789 B30-2337-05 D818-D821,824 2SC5636 UHF: 450MHz~ RF BUFFER LCD BACK LIGHT 520MHz Q820 PL_LE 2SC4617(S) PL_DAT UHF: 33MS 400.05MHz~470.05MHz (RX) Q821 2SB1694 450MHz~520MHz (TX) D817 MA2S111-F PL_CLK LCDBL MCH3914(7)-H D17 HSC277 LCD DRIVER SWIN D6,D9 1SV323F Q201 Q203 Q204 Q205 D201,D202 HVC131 PL_LD AK1541...

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