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Kenwood TK-3212L Service Manual

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UHF FM TRANSCEIVER
TK-3212L
SERVICE MANUAL
Button knob
(PTT)
(K29-9308-23)
Button knob
(Side1/Side2)
(K29-9364-03)
Whip antenna
(T90-1039-15): K,M
(T90-1040-15): K2,M2
Knob (CH)
(K29-9345-04)
Knob (Volume)
(K29-9309-03)
Plastic cabinet assy
(A02-3894-43)
Key top
(K29-9346-02)
©
2007-3 PRINTED IN JAPAN
B51-8786-00 (S) 508
Refer to the TK-3212/3217 service manual (B51-8716-00)
for any information which has not been covered in this
TK-3212L service manual.
CONTENTS
GENERAL ............................................................. 2
SYSTEM SET-UP ................................................. 2
REALIGNMENT .................................................... 3
CIRCUIT DESCRIPTION ....................................... 8
PARTS LIST .......................................................... 9
EXPLODED VIEW ............................................... 16
PACKING ............................................................ 17
ADJUSTMENT ................................................... 18
TX-RX UNIT (X57-7130-XX) ......................... 24
SCHEMATIC DIAGRAM ..................................... 28
BLOCK DIAGRAM .............................................. 32
LEVEL DIAGRAM ............................................... 34
KSC-35 (RAPID CHARGER) .......................... 35
SPECIFICATIONS ............................ BACK COVER
This product uses Lead Free solder.

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Summary of Contents for Kenwood TK-3212L

  • Page 1: Table Of Contents

    SERVICE MANUAL © 2007-3 PRINTED IN JAPAN B51-8786-00 (S) 508 Refer to the TK-3212/3217 service manual (B51-8716-00) for any information which has not been covered in this TK-3212L service manual. Whip antenna CONTENTS (T90-1039-15): K,M (T90-1040-15): K2,M2 GENERAL ............. 2 SYSTEM SET-UP ..........

  • Page 2: General

    ● SHUT OFF and DO NOT operate this equipment near herein. Kenwood reserves the right to make changes to any electrical blasting caps or in an explosive atmosphere. products herein at any time for improvement purposes.

  • Page 3: Realignment

    TK-3212L REALIGNMENT Notes: 1. Modes • You must install the KCT-53U driver in the computer to use User mode the USB adapter (KCT-53U). • When using the USB adapter (KCT-53U) for the first time, Data programming PC mode mode plug the KCT-53U into a USB port on the computer with the computer power ON.

  • Page 4: Clone Mode

    TK-3212L REALIGNMENT 9. If the cloning fails, no data will be available in the Target IBM-PC unit when it is returned to User mode. KPG-22 or KPG-22A or KPG-22A + KCT-53U 10.When the cloning is successful, the Target unit's "Scan"...

  • Page 5: Self Programming Mode

    TK-3212L REALIGNMENT 4-4. Adding the Data Password 5-1. Enter to the Self Programming Mode If the Data password is set to the transceiver, you must Press and hold the [S] key for 2 seconds while turning the enter the password to activate a clone mode. The maximum transceiver power on.
  • Page 6 TK-3212L REALIGNMENT Key operation The setup items for item setting mode are as follows. Key Function Setup item Display Remarks 1. RX FREQ → [Selector] Toggle between Zone selection and Channel selection. 1.RX frequency Receive frequency ∗ ∗ ∗ . ∗ ∗ ∗ ∗ ∗...
  • Page 7 TK-3212L REALIGNMENT ■ Item setting mode flow chart 5-6. Self Programming Mode flow chart ■ Channel selection mode flow chart Display [1. RX frequency] or Current 450. 00000 [S]+Power ON Display setting value [3. TX frequency] When the Read Data password SLF.LOCK.R...

  • Page 8: Circuit Description

    TK-3212L REALIGNMENT / CIRCUIT DESCRIPTION 3) Low Battery Warning 6. Firmware Version Information The battery voltage is checked by the microprocessor. Turn the transceiver ON with the [Side1] and [Side2] keys The transceiver generates a warning tone when the battery held down.

  • Page 9: Parts List

    TK-3212L PARTS LIST CAPACITORS CC 45 TH 1H Capacitor value Color* CC45 010 = 1pF 0 = 22pF 100 = 10pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating Multiplier 2 = Shape ... round, square, ect.
  • Page 10 E: Europe Les articles non mentionnes dans le Parts No. ne sont pas fournis. Y: AAFES (Europe) X: Australia M: Other Areas Teile ohne Parts No. werden nicht geliefert. TK-3212L (Y50-6220-XX) TX-RX UNIT (X57-7130-XX) Ref. No. Address Parts No. Description Destination Ref.
  • Page 11 TK-3212L PARTS LIST TX-RX UNIT (X57-7130-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts CK73GB1A105K CHIP C 1.0UF C136 CK73GB1A105K CHIP C 1.0UF CC73HCH1H101J CHIP C 100PF C138 CK73GB1H102K CHIP C 1000PF K...
  • Page 12 TK-3212L PARTS LIST TX-RX UNIT (X57-7130-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts C240 CC73GCH1H3R5B CHIP C 3.5PF C321 CK73GB1C473K CHIP C 0.047UF K C241 CK73GB1H471K CHIP C 470PF C322 CK73HB1C153K CHIP C 0.015UF K...
  • Page 13 TK-3212L PARTS LIST TX-RX UNIT (X57-7130-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts TC1 ,2 C05-0245-05 CERAMIC TRIMMER CAPACITOR(10PF) L301 L92-0140-05 CHIP FERRITE L302 L92-0149-05 CHIP FERRITE CN201 E23-1278-05 TERMINAL L401...
  • Page 14 TK-3212L PARTS LIST TX-RX UNIT (X57-7130-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts R110 RK73GB2A331J CHIP R J 1/10W R311 RK73HB1J123J CHIP R J 1/16W R111,112 RK73GB2A000J CHIP R J 1/10W...
  • Page 15 TK-3212L PARTS LIST TX-RX UNIT (X57-7130-XX) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts R453 RK73HB1J223J CHIP R J 1/16W Q302 2SC4919 TRANSISTOR R456 RK73GB2A000J CHIP R J 1/10W K2,M2 Q303 RT1N441U...

  • Page 16: Exploded View

    TK-3212L EXPLODED VIEW MIC1 X57 101 TX-RX unit CF201 A :N14-0819-04 B :N14-0832-04 C :N30-2604-48 D :N30-2606-48 E :N83-2005-48 Note: If a part reference number is listed in a box on the exploded view of the PCB, that part does not come with the PCB. These parts must be ordered separately.

  • Page 17: Packing

    TK-3212L PACKING 7. INSTRUCTION MANUAL (B62-1996-00) 72.CHARGER (W08-0988-05) 73.AC ADAPTER (W08-0989-05):K,K2,K3(AC120V) (W08-0992-05):M,M2(AC220-240V) 43.PROTECTION BAG (H25-0085-04) 702. KNB-45L 54.BELT CLIP (Li-ion BATTERY PACK) (J29-0713-15) 46.HOLDER(SP/MIC) (J19-5472-03) 65.SCREW SET (N99-2046-05) 3. CAP(SP/MIC) (B09-0680-03) 41.PACKING FIXTURE (H12-4221-05) 69.WHIP ANTENNA (T90-1039-15):K,M (T90-1040-15):K2,M2 44.ITEM CARTON CASE (H52-2194-02) Parts with the exploded numbers larger than 700 are not supplied.

  • Page 18: Adjustment

    – 3. Nut wrench In order to turn the volume nut and the channel selector nut, use a recommendation tool. KENWOOD part No. : W05-1012-00 4. Battery Jig (W05-1011-00) + Terminal – Terminal (Red) (Black)
  • Page 19 TK-3212L ADJUSTMENT Signaling Controls Signaling No. Channel selector None None Power switch/ None 100Hz Square Wave Volume control QT 67.0Hz QT 67.0Hz QT 151.4Hz QT 151.4Hz QT 250.3Hz QT 250.3Hz DQT D023N DQT D023N DQT D754I DQT D754I Microphone DTMF 159D...
  • Page 20 TK-3212L ADJUSTMENT Adjustment Points RSSI BATT+ SP– CN13 PCTV TX-RX unit Foil side TX-RX unit Component side J301 EXT. SP/EXT. MIC BPF : Band-pass wave form test point VR1 : Frequency adjustment CV : VCO lock voltage adjustment terminal TC1 : Transmit VCO lock voltage adjustment...
  • Page 21 TK-3212L ADJUSTMENT Measurement Adjustment Specifications/ Item Condition Remarks Test equipment Terminal Parts Method 5.Low power TEST CH: Low’ Power meter Check 0.85~1.1W Check High’ Ammeter 1.0 A or less BATT terminal voltage:7.5V PTT:ON 6.VOX 1 TEST CH: Center Power meter...
  • Page 22 TK-3212L ADJUSTMENT Measurement Adjustment Specifications/ Item Condition Remarks Test equipment Terminal Parts Method ±100Hz 12.MSK deviation TEST CH: Center Power meter Programming 3.1kHz Adjust Deviation meter Software:KPG-100D [Wide] High Oscilloscope (3 points) LPF:15kHz AF VTVM HPF:OFF PTT:ON ±100Hz [Narrow] TEST CH:Center 1.5kHz...
  • Page 23 TK-3212L ADJUSTMENT Measurement Adjustment Specifications/ Item Condition Remarks Test equipment Terminal Parts Method 2.Sensitivity TEST CH: Low Check 12dB SINAD or more Check Center [Wide] High Oscilloscope SSG output:–117 dBm(0.3µV) AF VTVM SSG MOD:3.0kHz [Narrow] TEST CH:Center SSG output:–115 dBm(0.4µV) SSG MOD:1.5kHz...

  • Page 24: Pc Board

    TK-3212L PC BOARD TX-RX UNIT (X57-7130-XX) -12 : K,M -13 : K2,M2 Component side view (J79-0075-19) C430 L402 TH203 FUSE F401 L404 C201 CP407 CP406 CP404 C405 R211 C401 C215 C217 R416 C402 SP– C214 RSSI BATT+ IC405 PCTV IC404...
  • Page 25 TK-3212L PC BOARD TX-RX UNIT (X57-7130-XX) -12 : K,M -13 : K2,M2 Component side view (J79-0075-19) J79-0075-19 C424 C406 CN13 R412 R141 Q108 R408 IC101 C403 R131 C408 SP– MIC1 C140 – Q109 R135 Q107 Q104 D102 R127 CN401 R128...
  • Page 26 TK-3212L PC BOARD TX-RX UNIT (X57-7130-XX) -12 : K,M -13 : K2,M2 Foil side view (J79-0075-19) J79-0075-19 D104 R256 C268 L228 R254 R253 C156 L223 C254 C168 C267 Q205 C251 D204 D203 C348 R145 C247 C158 C262 R249 C265 L215...
  • Page 27 TK-3212L PC BOARD TX-RX UNIT (X57-7130-XX) -12 : K,M -13 : K2,M2 Foil side view (J79-0075-19) CN201 R470 CD201 XF201 D402 R226 R227 L201 C228 C440 C219 C220 L211 C241 R417 R233 R240 C230 R210 C207 R418 R209 L290 L206...

  • Page 28: Schematic Diagram

    TK-3212L SCHEMATIC DIAGRAM TX-RX UNIT (X57-7130-XX) PLL SYSTEM MB15A02PFV2E1 4.82V 470p 4.76V RIPPLE FILTER MA2S111-F R32-0736-05 0.01u L77-1931-05 4.72V 12.8MHz OSCIN oUTPUT 4.7u 2.2k LCD ASSY (B38-0906-25) TXCO QTTCXO PLL_UL PLL_STB PLL_DAT PLL_CLK F401 L401 BATT F53-0324-05 D402 2.5A BATT...
  • Page 29 TK-3212L SCHEMATIC DIAGRAM TX-RX UNIT (X57-7130-XX) D2,4,6,7 FREQUENCY RF BUFFER AMP 220n TX VCO T:3.37V CONTROL HVC376B 2.74V /TX VCO 0.72V 2SC5108(Y)F 100n HVC376B 0.5p VCO/TX 2SK508NV(K52) 3.7V 2SC5108(Y)F PLL IC F_IN AMP RT1P430U R:4.97V T:0.58V MODULATOR DC SW/TX VCO...
  • Page 30 TK-3212L SCHEMATIC DIAGRAM TX-RX UNIT (X57-7130-XX) RF AMP T:4.96V D101,202 Q101 T:4.81V 2SK3077F C112 R112 R111 TX/RX R:0V RF AMP RF SW R103 C107 T:2.846V 4.62V 3.86V D101 2SC4619 C101 C102 Q100 470p HSC277 2SC4619 RF AMP R:2.934V T:3.002V R453 T:4.96V...
  • Page 31 TK-3212L SCHEMATIC DIAGRAM ● Note : The components marked with a dot ( ) are parts of layer 1. TX-RX UNIT (X57-7130-XX) D103,122 ANT SW D122 TX DRIVE AMP TX FINAL AMP C160 C163 C166 Q102 R456 R:7.61V Q103 HVC131 T:1.36V...

  • Page 32: Block Diagram

    TK-3212L BLOCK DIAGRAM X57-713 IC404 BD4845FVE IC403 BD4840FVE IC1 MB15A02PFV2E1 RESET RESET PLL_DAT PLL_CLK PLL_STB D401 IC401 Q4 2SK508NV(K52) RB521S-30 XC6204B502MR D2,D4,D6,D7 HVC376B D10 1SV278F PROTECT Loop Q405 RT1P237U-T111 Filter Q5 RT1P430U 12.8MHz 5C_C L77-1931-05 Q403 CPH3317 QTTCXO Q3 2SK508NV(K52)
  • Page 33 TK-3212L BLOCK DIAGRAM TX/RX:450.00~490.00MHz(K,M) TX/RX:470.00~512.00MHz(K2,M2) Q2 2SC5108(Y)F D101,D202 Q100 Q101 Q102 Q103 D122,D104,D106 HSC277 Q6 2SC5108(Y)F 2SC4619 HSC277 2SC4619 2SK3077F 2SK2596-E 2SK3476-F D103 HVC131 BUFF DRIVE FINAL Q104 RT1N141U Q109 IC101 Q105 2SK879(Y)F RT1P441U TA75W01FUF CURRENT Q108 2SK1824-A DCSW Q8 2SC4617(S)

  • Page 34: Level Diagram

    TK-3212L LEVEL DIAGRAM...

  • Page 35: Optional Accessories

    TK-3212L OPTIONAL ACCESSORIES KSC-35 (RAPID CHARGER) KNB-45L (Li-ion BATTERY PACK) ■ External View ■ External View ■ Specifications ■ Specifications Charging time ..... KNB-45L : Approx.180 minutes Voltage ....7.4V (3.7V x 2) Dimensions (Charger only) ..86.3W x 43.2H x 100.0D (mm) Battery capacity ...

  • Page 36: Specifications

    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-3212L TK-3212L PC BOARD PC BOARD TX-RX UNIT (X57-7130-XX) -12 : K,M -13 : K2,M2 TX-RX UNIT (X57-7130-XX) -12 : K,M -13 : K2,M2 Component side view (J79-0075-19) Component side view (J79-0075-19) J79-0075-19 TH203 C430 L402 FUSE C424 F401 C201...
  • Page 38 TK-3212L TK-3212L PC BOARD PC BOARD TX-RX UNIT (X57-7130-XX) -12 : K,M -13 : K2,M2 TX-RX UNIT (X57-7130-XX) -12 : K,M -13 : K2,M2 Foil side view (J79-0075-19) Foil side view (J79-0075-19) J79-0075-19 D104 R256 C268 CN201 R470 L228 CD201...
  • Page 39 TK-3212L SCHEMATIC DIAGRAM Note : The components marked with a dot ( ● ) are parts of layer 1. TX-RX UNIT (X57-7130-XX) D2,4,6,7 D103,122 FREQUENCY RF BUFFER AMP ANT SW 220n CONTROL HVC376B TX VCO T:3.37V 2.74V D122 /TX VCO 0.72V...
  • Page 40 TK-3212L TK-3212L BLOCK DIAGRAM BLOCK DIAGRAM X57-713 TX/RX:450.00~490.00MHz(K,M) IC404 BD4845FVE IC403 BD4840FVE TX/RX:470.00~512.00MHz(K2,M2) IC1 MB15A02PFV2E1 Q2 2SC5108(Y)F RESET RESET PLL_DAT PLL_CLK PLL_STB D401 IC401 RB521S-30 XC6204B502MR Q4 2SK508NV(K52) D2,D4,D6,D7 HVC376B D101,D202 Q100 Q101 Q102 Q103 D122,D104,D106 HSC277 D10 1SV278F Q6 2SC5108(Y)F...

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