Kenwood TK-2202L Service Manual Download Page 34

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TK-2202L

Receiver Section

Transmitter Section

RF (Center Frequency)

FM IF

SYSTEM

AQUA-L

IC302

500mW

C330

IC301

C329

IC201

C219

C224

XF201

C241

Q204

BPF

C266

C151

LPF

Q205

IC301

IC2

C902

VCO

PLL

C81

C87

D101

RXLO

C101

Q102

C108

Q103

Q106

C151

D202

MIC

-119.5dBm

-120.0dBm

-104.0dBm

-110.0dBm

-104.0dBm

290mV

29mV

16mVrms

129mVrms

-3.0dBm

14.6dBm

31.8dBm

5.0W

4.5dBm

IF1 (38.85MHz)

AF (1kHz)

RF (Center Frequency)

LPF

Q203

BPF

IF2 (450kHz)

LEVEL DIAGRAM

make measurements in the AF section, connect

the AC level meter

. (ANT input: -53dBm, 1kHz FM,

3kHz DEV (WIDE).)

In the RF section,use 1000pF coupling capacitor

(The display shows the SSG input value required to

obtain 12dB SINAD without local level.)

AG is set to the MIC input becomes 3kHz DEV at

1kHz MOD.(WIDE)

make measurements in the AF section, connect

the AC level meter

In the RF section, use 1000pF coupling capacitor

Summary of Contents for TK-2202L

Page 1: ...ing or otherwise for any purpose without the prior written permission of Kenwood Disclaimer While every precaution has been taken in the preparation of this manual 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 t...

Page 2: ...RAM 28 LEVEL DIAGRAM 30 OPTIONAL ACCESSORIES KSC 35 RAPID CHARGER 31 KNB 45L Li ion BATTERY PACK 31 SPECIFICATIONS BACK COVER CONTENTS Helical antenna T90 1036 05 Knob Volume K29 9309 03 Plastic cabinet assy A02 3971 03 Knob CH K29 9318 03 This product uses Lead Free solder Button knob PTT K29 9308 23 Button knob Side1 Side2 K29 9364 03 Refer to the TK 2202 2206 service manual B51 8677 00 for any ...

Page 3: ...ns equipment It contains all required service information for the equipment and is current as of the publication date Changes which may occur after publication are covered by either Service Bulletins or Manual Revisions These are issued as required ORDERING REPLACEMENT PARTS When ordering replacement parts or equipment information the full part identification number should be included This applies...

Page 4: ...s the SP MIC connector of the transceiver to the RS 232C serial port of the computer 3 4 KCT 53U description USB adapter Option The KCT 53U is a cable which connects the KPG 22A to a USB port on a computer When using the KCT 53U install the supplied CD ROM with driver software in the computer The KCT 53U driver runs under Windows 2000 or XP 3 5 Programming software KPG 87D description KPG 87D is t...

Page 5: ... to User mode 9 When the cloning is successful the Target unit s Scan and Key lock functions will return to their default values Scan OFF Key lock OFF Notes The dealer can clone data to two or more transceivers by repeating the above procedures If the transceivers Clone Mode is configured as Disabled the transceiver cannot enter Clone mode The table shown below will cover the frequency tables used...

Page 6: ... Q407 Q408 A beat sound may be able to be evaded from generation if Beat Shift is set to ON when it is generated in the internal spurious transmission modulated sound of a transceiver 2 Memory Circuit Memory circuit consists of the CPU IC405 and an EEPROM IC406 An EEPROM has a capacity of 8k bits that contains the transceiver control program for the CPU and data such as transceiver channels and op...

Page 7: ... 80 800 8000 K 35 V EX C C 7 3 F S L 1 H 0 0 0 J Refer to the table above 1 Type 2 Shape 5 Voltage rating 4 Temp coefficient 3 Dimension 6 Value 7 Tolerance 7 6 5 4 3 2 1 EX C K 7 3 F F 1 H 0 0 0 Z 7 6 5 4 3 2 1 Chip CH RH UJ SL Chip B F Chip resistor Carbon EX R D 7 3 E B 2 B 0 0 0 J 7 6 5 4 3 2 1 RESISTORS Chip B F Carbon resistor Normal type EX R D 1 4 B B 2 C 0 0 0 J 7 6 5 4 3 2 1 1 Type 2 Sha...

Page 8: ...TING HARDWARE VOL CH 52 2D J29 0734 05 BELT CLIP ACCESSORY 54 2B J82 0092 05 FPC 57 1A K29 9308 23 BUTTON KNOB PTT 58 1B K29 9309 03 KNOB VOL 59 1B K29 9318 03 KNOB CH 60 1A K29 9364 03 BUTTON KNOB SIDE1 SIDE2 A 2B N14 0819 04 CIRCULAR NUT VOL KNOB B 2B N14 0832 04 CIRCULAR NUT CH KNOB C 2A 2B N30 2604 48 PAN HEAD MACHINE SCREW SMA D 3A N30 2606 48 PAN HEAD MACHINE SCREW CHASSIS E 2A 2B 3B N83 200...

Page 9: ... 22PF J C142 CC73GCH1H150J CHIP C 15PF J C143 CC73GCH1H100D CHIP C 10PF D C144 CC73GCH1H820J CHIP C 82PF J C145 CC73GCH1H070B CHIP C 7 0PF B C146 CK73GB1H102K CHIP C 1000PF K C147 CK73HB1H102K CHIP C 1000PF K C148 CK73GB1H102K CHIP C 1000PF K C149 CC73GCH1H220G CHIP C 22PF G C150 CC73GCH1H220J CHIP C 22PF J C151 CK73GB1H102K CHIP C 1000PF K C153 CC73GCH1H100C CHIP C 10PF C C154 CC73GCH1H100D CHIP ...

Page 10: ...J CHIP C 100PF J C407 CK73HB1H102K CHIP C 1000PF K C409 410 CK73GB1A105K CHIP C 1 0UF K C411 CK73HB1H102K CHIP C 1000PF K C415 CK73HB1H471K CHIP C 470PF K C417 CK73GB1A105K CHIP C 1 0UF K C418 CK73HB1E562K CHIP C 5600PF K C419 CK73HB1H102K CHIP C 1000PF K C421 CK73GB1A105K CHIP C 1 0UF K C426 427 CK73GB1A105K CHIP C 1 0UF K C428 429 CK73HB1H102K CHIP C 1000PF K C430 CK73GB1H103K CHIP C 0 010UF K C...

Page 11: ...R37 RK73HB1J101J CHIP R 100 J 1 16W R38 RK73HB1J181J CHIP R 180 J 1 16W R39 RK73HB1J151J CHIP R 150 J 1 16W R40 RK73HB1J101J CHIP R 100 J 1 16W R41 RK73HB1J154J CHIP R 150K J 1 16W R42 RK73HB1J472J CHIP R 4 7K J 1 16W R43 RK73HB1J101J CHIP R 100 J 1 16W R44 RK73HB1J102J CHIP R 1 0K J 1 16W R45 46 RK73HB1J332J CHIP R 3 3K J 1 16W R47 RK73HB1J470J CHIP R 47 J 1 16W R48 RK73HB1J331J CHIP R 330 J 1 16...

Page 12: ...2A101J CHIP R 100 J 1 10W R347 RK73GB2A104J CHIP R 100K J 1 10W R348 RK73GB2A563J CHIP R 56K J 1 10W R349 RK73GB2A333J CHIP R 33K J 1 10W R350 RK73HB1J000J CHIP R 0 0 J 1 16W R354 355 RK73HB1J103J CHIP R 10K J 1 16W R357 RK73HB1J000J CHIP R 0 0 J 1 16W R360 RK73HB1J000J CHIP R 0 0 J 1 16W R365 RK73HB1J473J CHIP R 47K J 1 16W R403 RK73GB2A101J CHIP R 100 J 1 10W R404 RK73HH1J474D CHIP R 470K D 1 16...

Page 13: ... TRANSISTOR Q202 DTA144EE DIGITAL TRANSISTOR Q203 2SC4649 N P TRANSISTOR Q204 205 3SK318 FET Q301 DTA114EE DIGITAL TRANSISTOR Q302 2SC4919 TRANSISTOR Q303 DTC144EE DIGITAL TRANSISTOR Q304 2SA1362 F GR TRANSISTOR Q305 DTC144EE DIGITAL TRANSISTOR Q306 2SK3577 A FET Q316 2SK3577 A FET Q401 402 DTC114EE DIGITAL TRANSISTOR Q403 404 CPH3317 FET Q405 DTA123JE DIGITAL TRANSISTOR Q407 408 2SK1830F FET Q901...

Page 14: ... EXPLODED VIEW 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 7 1 4 2 57 60 59 58 38 13 12 11 20 19 40 21 23 MIC301 101 CF201 32 54 41 14 49 36 31 22 3 35 18 24 30 29 15 33x2 51 6 37 50 39 17 16 64 62 63 B A C C Ex2 Ex9 X57 X57 TX RX unit Dx2 E 8 ...

Page 15: ...M CARTON CASE H52 2159 02 45 PROTECTION BAG H25 0085 04 5 CAP SP MIC B09 0680 03 67 AC ADAPTER W08 0989 05 K AC120V W08 0992 05 M AC220 240V 66 CHARGER W08 0988 05 65 HELICAL ANTENNA T90 1036 05 52 BELT CLIP J29 0734 05 43 PACKING FIXTURE H12 4221 05 48 HOLDER SP MIC J19 5472 03 61 SCREW SET N99 2046 05 702 KNB 45L Li ion BATTERY PACK ...

Page 16: ...o 10V DC DVM Input Impedance High input impedance for minimum circuit loading 5 Oscilloscope DC through 30MHz 6 High Sensitivity Frequency Range 10Hz to 1000MHz Frequency Counter Frequency Stability 0 2ppm or less 7 Ammeter 5A 8 AF Volt Meter Frequency Range 50Hz to 10kHz AF VTVM Voltage Range 1mV to 10V 9 Audio Generator AG Frequency Range 50Hz to 5kHz or more Output 0 to 1V 10 Distortion Meter C...

Page 17: ...terminal TC1 Transmit lock voltage adjustment TC2 Receive lock voltage adjustment CV Lock voltage adjustment terminal Signaling Signaling No RX TX 1 None None 2 None 100Hz Square Wave 3 QT 67 0Hz QT 67 0Hz 4 QT 151 4Hz QT 151 4Hz 5 QT 250 3Hz QT 250 3Hz 6 DQT D023N DQT D023N 7 DQT D754I DQT D754I 8 DTMF 159D DTMF 159D 9 None DTMF tone 9 Preparations for tuning the transceiver Before attempting to ...

Page 18: ... Low Deviation meter demodulation Wide High Oscilloscope wave into 3 points AG square waves LPF 3kHz AF VTVM HPF OFF PTT ON Narrow TEST CH Center PTT ON ADJUSTMENT Common Section Item Condition Measurement Adjustment Specifications Test equipment Terminal Parts Method Remark 1 Setting 1 BATT terminal voltage 7 5V 2 SSG standard modulation Wide MOD 1kHz DEV 3kHz Narrow MOD 1kHz DEV 1 5kHz 2 VCO loc...

Page 19: ...Hz 40Hz Adjust Low Software KPG 87D Wide High 3 points LPF 3kHz HPF OFF PTT ON Narrow TEST CH Center 0 38kHz 40Hz PTT ON 8 DQT deviation TEST CH Center 0 75kHz 40Hz Adjust Low Wide High 3 points LPF 3kHz HPF OFF PTT ON Narrow TEST CH Center 0 38kHz 40Hz PTT ON 9 DTMF deviation TEST CH Center 3 0kHz 100Hz Adjust LPF 15kHz Wide HPF OFF PTT ON Narrow TEST CH Center 1 5kHz 100Hz PTT ON 10 MSK deviatio...

Page 20: ...SG MOD 3 0kHz Narrow TEST CH Center SSG otuput 122 dBm 0 18µV SSG MOD 1 5kHz 4 SQL9 TEST CH Center Tight Low Writing High Wide SSG otuput 117 dBm 0 3µV SSG MOD 3 0kHz Narrow TEST CH Center SSG otuput 116 dBm 0 35µV SSG MOD 1 5kHz 5 BATT BATT terminal voltage 5 9V DVM ANT Write BATT terminal detection BATT terminal voltage 5 9V Writing Receiver Section Item Condition Measurement Adjustment Specific...

Page 21: ...7 R354 C318 R355 R15 C319 R16 R357 R18 R19 C320 C321 C322 C323 C324 R20 R360 C325 R21 C326 R22 C327 C328 C329 R25 R365 R26 F401 Q8 C330 C331 C332 C333 R30 R31 R1 R2 R3 R4 R5 R6 R8 R9 R42 VR1 C351 C352 C354 Q202 D301 D302 D303 Q407 Q408 G G D D S S L401 L402 L403 L404 IC301 X2 C10 C11 C13 R203 C19 R206 BATT 5R 5T 5M 1 1 3 3 4 4 5 5 1 9 10 16 17 25 26 32 1 100 25 26 50 51 75 76 5C PCTV RSSI 1 11 20 ...

Page 22: ...6 R127 R128 R129 R130 R131 R132 R133 R134 MIC301 R135 R138 R139 L12 R334 R140 R335 R141 R336 R142 R143 R338 R339 R340 R341 R342 R344 R345 R346 R347 R348 R349 C126 R25 R26 C138 Q8 C334 C140 R30 C335 R31 C336 C146 C148 C340 C341 C342 C343 C344 C345 C346 R42 D102 Q401 Q402 IC101 IC302 1 5 6 10 BPF 1 4 5 8 B SP SP D D G G S S SB CN13 ANT J79 0043 09 TXD AE SPI SPO NC 5MS OPTDET MIC PTT RXD MICIN PC BO...

Page 23: ...R10 C314 R350 R11 C315 C316 C317 R354 C318 R355 R15 C319 R16 C126 R357 R18 R19 C320 C321 C322 C323 C324 R20 R360 C325 R21 C326 R22 C327 C328 C329 R25 R365 R26 C138 F401 Q8 C330 C331 C332 C333 C334 C140 R30 C335 R31 C336 R1 R2 C146 R3 R4 C148 R5 R6 R8 C340 R9 C341 C342 C343 C344 C345 C346 R42 VR1 C351 C352 C354 D102 Q202 D301 D302 D303 Q401 Q402 Q407 Q408 G G D D S S IC101 L401 L402 L403 L404 IC301...

Page 24: ...C104 TH101 L19 C105 C107 R337 C108 C109 L22 C110 C112 C111 L25 R343 C115 C116 C117 C118 C119 C120 C121 C123 C124 C125 C128 C130 C132 C133 C134 C135 C136 C137 Q4 G D Q5 C139 C141 R32 C142 C143 C338 R34 C144 C339 R35 R36 C147 C149 R40 C150 C151 C153 C154 C348 C155 C156 C157 C161 R47 C158 C159 C160 R50 D101 D103 D104 D105 D106 Q204 1 2 3 4 Q205 L202 L205 L207 L209 L210 L211 L213 L214 J301 EXT SP EXT ...

Page 25: ...C428 C234 C84 C429 RXAFI RXAFO C85 C235 C236 C86 C237 C87 C238 C239 C90 C244 C440 TC1 C5 TC2 MICI MICO C443 C9 D4 D5 D7 D9 D202 D401 D402 IC201 1 8 9 16 IC401 IC402 R101 103 D10 L1 L3 L5 L7 L8 L9 L10 L11 L13 L14 CV C101 L17 L18 L19 L20 L21 L22 L23 L24 L25 IC2 R12 R13 R14 R17 R23 Q1 Q2 Q3 R27 Q4 S G D Q6 Q7 L50 Q9 R32 R33 R34 R35 R36 R37 R38 R39 R7 R41 R43 C348 R44 R45 R46 R47 R48 R49 R50 D101 R51 ...

Page 26: ...9 R120 L1 R122 L3 R123 R124 L5 L7 L8 L9 R136 C145 R137 L10 L11 L13 L14 CV C101 L16 L17 L18 C104 TH101 L19 C105 C107 R337 C108 C109 L20 L21 L22 L23 C110 C112 L24 C111 L25 IC2 R343 C115 C116 C117 C118 C119 C120 C121 R12 R13 C123 R14 C124 C125 R17 C128 C130 C132 C133 R23 C134 C135 Q1 C136 Q2 C137 Q3 R27 Q4 S G D Q5 C139 Q6 Q7 L50 Q9 C141 R32 C142 R33 C143 C338 R34 C144 C339 R35 R36 R37 C147 R38 R39 C...

Page 27: ...TT SB 5M CLK NC3 DATA LE FC NC4 FOUT P NC5 R PLL_CLK EN2 5C PLL_DAT EN3 5T B PLL_STB 5C_C EN4 SP2 5R PLL_UL EN5 EN1 OSCIN QTTCXO 5T_C VSS VCC VSS VCC 5R_C SIDE2 SIDE1 LEDRX LEDTX SP1 INT RESET IC1 MB15A02PFV2E1 PLL SYSTEM C19 0 1u C13 0 1u C21 10u6 3 C10 10u6 3 R15 220 C22 0 33u35 R9 R10 R11 C7 100p C8 100p C11 100p D1 MA2S111 F C4 0 01u RIPPLE FILTER 2SC5108 Y F Q2 PLL IC F_IN AMP KTC4082 Q1 TRIP...

Page 28: ... MODULATOR CV VCO RX VCO TX VCC EN5 EN4 SP1 EN3 EN2 SB EN1 SP2 INT 5T OSCIN IC405 30622MCAC02GU MICROPROCESSOR APCSW DCSW TX_W N RX_SW TX_SW GND PLL_UL PLL_STB PLL_DAT PLL_CLK VCC RX_W N PCTV DTMF EEPDAT EEPCLK BYTE RESET XOUT VSS XIN VCC VCC INT TCLK DTRDO RDF FD SCLK DI O TDATA DTRCLK DIR STD X2 7 3MHz L78 1414 05 D301 RB706F 40 DETECTOR MOD DI O DIR STD DTRLOADN SCLK TH_DET TDATA DTRCLK B APCSW...

Page 29: ...13 330 L102 100n R110 330 C110 1000p L104 27n R119 330 C117 10p C112 47p L105 150n C118 100p L106 C119 27p C120 1000p R120 0 L107 27n R123 82 R124 5 6k C124 1000p R122 47k TX FINAL AMP C133 0 01u C128 1000p C123 1u C125 1000p C121 10p R114 33k C115 1000p C116 22p R117 68k R116 15 L202 39n C233 2p B C237 5p B L205 68n R217 4 7k C235 9p C239 6p B C230 8p C222 1000p C227 1000p Q104 DTC114EE APC SW AP...

Page 30: ...1000p R136 270 R137 270 C149 22p L116 8T C158 22p D106 HVC131 D105 HVC131 C150 22p L110 56n C160 33p C232 0 01u R221 1k L206 180n C244 4p B R225 82k R223 82k C280 1000p C234 0 01u L204 560n 3SK318 Q204 MIXER C242 0 1u R222 220 C241 1000p L207 150n R226 82k R224 82k L210 C252 1000p C251 4 7u6 3 L209 56n C247 4p D203 1SV305F D204 1SV305F C253 4 5p C250 4p R229 1 0M R228 1 0M C249 1000p D203 204 RF B...

Page 31: ...PHASE PRE GND PW GND PoUT 2SA1362 GR F Q304 DC SW PTT RXD MIC MICIN OPTDET 5MS AE TXD NC SPO SPI RF BPF TUNING D205 206 GND BSHIFT W N SW TX 2SK1824 A Q901 CF201 L72 0973 05 450 kHZ R219 560 C228 10p C440 1 5p 2SC4617 S Q8 RIPPLE FILTER Q7 DTA143TE DC SW RX VCO C90 1000p C71 0 1u C58 6p D5 1SV325F IC1 MB15A02PFV2E1 PLL SYSTEM C19 0 1u C13 0 1u C21 10u6 3 C10 10u6 3 R15 220 C22 0 33u35 R9 R10 R11 C...

Page 32: ... Q304 2SA1362 F GR Q303 DTC144EE AGC DET Q302 2SC4919 D303 DAN222 D302 RB706F 40 D301 RB706F 40 VOX MOD DTMF DTRLOADN TDATA DTRCLK STD TCLK DTRDO DI O RDF FD SCLK DIR 5M EN1 EN2 EN3 EN4 LPF QTVCO LPF QTTCXO Q202 DTA144EE 5C INT IC404 BD4845FVE INT PROTECT D402 1SR154 400 SB PROTECT D401 RB521S 30 RESET RESET AVR IC401 XC6204B502MR 5C DC SW Q405 DTA123JE AVR DC 5R SW 5R_C RX_W N X2 L78 1414 05 7 37...

Page 33: ...TT BSHIFT LEDTX LEDRX BATT XIN XOUT PF2 PF1 PTT 5M MICROPROCESSOR IC405 30622MCAXXXGU LED GREEN LED RED SB SB SW DC SW DC D404 B30 2157 05 D403 B30 2156 05 Q401 DTC114EE LEDTX LEDRX TH_DET APCSW Q103 2SK2596 D101 D202 HSC277 SW SW Q105 2SK879 Y F PCTV AMP SW Q108 2SK1824 A SW 5C 5R IC101 TA75W01FUF CURRENT Q9 2SC5108 Y F D103 D104 D105 D106 HVC131 DC TX DRIVE AMP TX FINAL AMP Q107 DTC114EE AMP ANT...

Page 34: ...mVrms 3 0dBm 14 6dBm 31 8dBm 5 0W 4 5dBm IF1 38 85MHz AF 1kHz AF 1kHz RF Center Frequency LPF Q203 BPF IF2 450kHz LEVEL DIAGRAM To make measurements in the AF section connect the AC level meter ANT input 53dBm 1kHz FM 3kHz DEV WIDE In the RF section use 1000pF coupling capacitor The display shows the SSG input value required to obtain 12dB SINAD without local level AG is set to the MIC input becom...

Page 35: ...mm 3 3 8W x 1 45 64 x 4D inches Weight Charger only Approx 90g 0 2 lbs Specifications KNB 45L Li ion BATTERY PACK OPTIONAL ACCESSORIES External View External View Schematic Diagram Thermistor 10kΩ 0 5 Diode PCBA DISCHARGE TERMINAL SIDE REAR CHARGE TERMINAL SIDE Voltage 7 4V 3 7V x 2 Battery capacity 2000mAh Specifications ...

Page 36: ...dB Audio Power Output 500mW at 8Ω less than 10 distortion Transmitter Measurements made per TIA EIA 603 RF Power Output 5W 1W Spurious and Harmonics 65dB Modulation 16K0F3E Wide 11K0F3E Narrow FM Noise 45dB Wide 40dB Narrow Audio Distortion Less than 5 SPECIFICATIONS 2967 3 Ishikawa machi Hachioji shi Tokyo 192 8525 Japan P O BOX 22745 2201 East Dominguez Street Long Beach 6070 Kestrel Road Missis...

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