Kenwood TK-2212 Service Manual Download Page 45 | Manualshive

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TK-2212/2217

BLOCK DIAGRAM

LPF

BPF

BPF

RF

AMP

1st

MIXER

5R

PCTV

PCTV

5R

MCF

XF201 L71-0619-05

38.85MHz

AMP

IF

5R

D205,D206 1SV305

D203,D204 1SV305

Q204 3SK318

Q203 2SC4649(N,P)

BUFF

AMP

Q6 2SC5108(Y)

5C

5C

Q8 2SC5383

Q2 2SC5108(Y)

CF

FM IF

SYSTEM

CF201 L72-0973-05

450kHz

5C

IC201 TA31136FN

RSSI

BUSY

PLL_CLK

PLL_DAT

APCSW

DCSW

TX_SW

QTTCXO

QTVCO

5T_C

5C_C

5R_C

EN1

PF2

EN2

RDF/FD

STD

PLL_UL

OPTDET

QT/DQT_IN

RSSI

VOX

DIR

AF_CONT

SCLK

DI/O

TCLK/DTRDO

TDATA/DTRCLK

DTRLOADN

DTMF

MIC MUTE

TX_W/N

TXD

INT

RESET

SW1

SW2

EEPDAT

EEPCLK

PF1

PTT

BSHIFT

PCTV

BATT

XIN

XOUT

PF2

PF1

PTT

5M

MICROPROCESSOR

IC405 30620MCP-***GP

LED

(GREEN)

LED

(RED)

SB

SB

SW

DC

SW

DC

D404 B30-2157-05

D403 B30-2156-05

Q401 RT1N141U

LEDTX

TH_DET

D11 MA2S111

APCSW

Q103 2SK2596

D101,D202 HSC277

SW

SW

Q105 2SK879(Y)

PCTV

AMP

AMP

SW

Q108 2SK1824

SW

5C

IC101 TA75W01FU

CURRENT

Q9 2SC5108

D103,D104,D105,D106 HVC131

DC

AMP

Q107 RT1N141U

AMP

ANT

5T

DCSW

DET

Q109 RT1P441U

RF

SW

Q102 2SC4926YD

SW

Q106 2SK2595

RF

5T

APCSW

Q104 RT1N141U

T/R

DC

B

RF

RF

DC

DC

5C

Q205 3SK318

5C

Q402 RT1N141U

RXD

RX_SW

PLL_STB

LEDTX

LEDRX

RX_W/N

BUSY

5R

RF

AMP

PTT

DIVIDER

5C

IC2 UPB1509GV

B38-0906-15

LCD ASSY

ANT

TX/RX:216.00~223.00MHz

TX/RX:136.00~174.00MHz (TK-2212(K,M)

TK-2217(M))

(TK-2217(M3))

RIPPLE
FILTER

LEDRX

DI

DO

CL

CE

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Summary of Contents for TK-2212

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: ... 25 ADJUSTMENT 26 PC BOARD TX RX UNIT X57 7120 XX 32 SCHEMATIC DIAGRAM 36 BLOCK DIAGRAM 40 LEVEL DIAGRAM 42 KSC 31 KNB 29N KBH 10 43 SPECIFICATIONS BACK COVER TK 2217 M Does not come with antenna Antenna is available as an option Antenna T90 1036 05 TK 2212 K M T90 1050 05 TK 2217 M3 KRA 26 Option TK 2217 M Knob Volume K29 9309 03 Knob PTT K29 9308 13 Cabinet assy A02 3894 13 Knob CH selector K29 ...

Page 3: ...ypes of commercial grade communications 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 n...

Page 4: ...ust the volume Turn counterclockwise fully to switch OFF the transceiver 4 Transmit Busy Call indicator This LED lights red while transmitting and green while re ceiving a call The LED flashes orange while receiving an encoded call i e Code Squelch etc and red when the battery power is low while transmitting 5 Release Latch Press the release latch to unlock and remove the battery pack 6 Safety Cat...

Page 5: ...PC mode In the PC mode PROGRAM is displayed on the LCD When data is transmitting from the transceiver the red LED lights When data is received by the transceiver the green LED lights Notes The data stored in the personal computer must match the model type when it is written into the EEPROM Change the TK 2212 2217 to PC mode then attach the interface cable 3 3 KPG 22 description PC programming inte...

Page 6: ...oning Electronic interface may cause a failure in data transfer during Wireless Clone such as when waveforms or electromagnetics are being performed at the workbench Clone mode can be used ONLY by the authorized service personnel The Clone mode setting must be configured as Disable before being delivered to the end user To clone replace the antenna from both the master transceiver and the slave tr...

Page 7: ...splayed if the entered password is correct If the password is incorrect SLF LOCK R SLF LOCK W is redisplayed 5 3 Channel Selection Mode In this mode the Zone or Channel can be selected Press and hold the S key for 2 seconds while turning the transceiver power on to enter self programming mode When the transceiver enters in the self programming mode the transceiver automatically enters the Channel ...

Page 8: ... of the frequency blinks RX TX frequency only The icon of the current signaling configuration blinks RX TX signaling only A Abort the current settings and return to the Item Selection mode without backup B Toggle Decrease the blinking value C Toggle Increase the blinking value S Power ON Read authorization password Overwrite password entry 6 digits Self programming mode SELF Zone I I Channel selec...

Page 9: ...DQT Wide Narrow selection Wide Narrow 5 Wide Narrow S B C S Stored A Not stored Display W 5 BAND Hi Low selection Hi Low 6 RF power Hi Low S B C S Stored A Not stored Display HI 6 PWR Del Add selection Del Add 7 Scan Del Add S B C S Stored A Not stored Display ADD 7 SCN on off selection on off 8 Beat shift on off or 9 Compander on off S B C S Stored A Not stored Display ON 8 SFT or ON 9 CMP B C S ...

Page 10: ... RX unit 2 Remove the eleven screws fixing the TX RX unit 3 Remove the mounting hardware of the SP MIC 4 Remove the solder of the antenna terminal with a soldering iron 5 Remove the solder of the positive terminal with a soldering iron Ω Note You can remove the TX RX unit from the chassis without removing the solder at the positive terminal However in this case you can not attach the packing G53 1...

Page 11: ...he battery release lever slightly forward x so that the thick spring G01 4542 04 is positioned below the case surface 3 With the thick spring positioned below the case surface attach the other side of the shaft to the case assembly by pressing the battery release lever c until it snaps into place v Note Be careful not to tilt the battery release lever too forward If the battery release lever is pu...

Page 12: ...e assembly reposition the packing with your fingers 4 4 3 LCD ASSY Installation Procedure 1 Insert the two tabs on the left side of the illumination guide into the matching slots of the mounting hardware z 2 Insert the tab on the right side of the illumination guide into the mounting hardware using a pair of tweezers x then press the illumination guide down until it snaps into place c 3 Ensure tha...

Page 13: ... XF201 to remove the adjacent channel signal The filtered first IF signal is amplified by the first IF amplifier Q203 and then applied to the lF system IC IC201 The IF system IC provides a second mixer second local oscillator limiting amplifier quadrature detector and RSSI Received Signal Strength Indicator The second mixer mixes the first IF signal with the 38 4MHz of the second local oscillator ...

Page 14: ... through the Audio processor IC301 for the maximum deviation adjustment and goes to the VCO modulation input RECEIVE SIGNALING RECEIVE SIGNALING SP Q306 316 SW IF Amp FM IF IC201 IC301 IC302 AF PA IC405 Q303 304 305 SW QT DQT DTMF CLK DATA STD LOADN SIGNAL CPU AF CONT QT DQT IN BUSY AQUA L Fig 4 AF amplifier and squelch 3 DTMF The DTMF input signal from the FM IC IC201 goes to IC301 The decoded in...

Page 15: ...ter mixes with the audio signal and goes to the VCO modulation input TX deviation is adjusted by the CPU 2 DTMF High speed data is output from pin 2 of the CPU The signal passes through a low pass CR filter and provides a TX and SP out tone and is then applied to the audio processor IC301 The signal is mixed with the audio signal and goes to the VCO TX deviation is adjusted by the CPU 3 MSK Fleet ...

Page 16: ...The red LED blinks when the battery voltage falls below the voltage 1 shown in the table during transmission Transmission is still allowed Note The transceiver checks the battery voltage during reception even when in the FPU the Battery Warning status function is set to While Transmitting default setting However the LED does not blink during reception The red LED blinks during transmission The tra...

Page 17: ...h 39 GND GND 40 PLL_UL I PLL unlock detect input 41 PLL_STB O PLL strobe output 42 PLL_DAT O PLL data output 43 PLL_CLK O PLL clock output 44 VCC 5V 45 RX_W N O RX Wide Narrow switch 46 48 NC NC 49 EN1 I Channel selector input 50 NC NC 51 OPTDET I Headset input detect 52 AF_CONT O Speaker mute 53 DO O LCD driver 54 CE O LCD driver 55 CL O LCD driver 56 DI I LCD driver 57 59 NC NC 60 VCC 5V 61 NC N...

Page 18: ...istor LED switch Red Q402 Transistor LED switch Green Q403 FET 5T switch Q404 Transistor 5R switch Q405 Transistor 5C switch Q407 408 FET Beat shift switch Q901 FET W N switch TX COMPONENTS DESCRIPTION TERMINAL FUNCTION Ref No Part name Description TX RX UNIT X57 7120 XX Ref No Part name Description D1 Diode Ripple filter D4 Varicap Frequency control TX VCO D5 Varicap Frequency control RX VCO D7 V...

Page 19: ... 0 07 44 3C H52 2079 02 ITEM CARTON CASE AK AM 44 3C H52 2080 02 ITEM CARTON CASE BM BM3 46 2C J19 5472 03 HOLDER SP MIC ACCESSORY 50 2A J19 5473 03 HOLDER ASSY TERMINAL BATT 51 2B J21 8477 04 MOUNTING HARDWARE VOL ENC 52 1A J21 8496 02 MOUNTING HARDWARE LCD 53 2B J21 8497 03 MOUNTING HARDWARE 4 KEY 54 2C J29 0713 05 BELT CLIP ACCESSORY 55 1C J69 0352 05 HANDSTRAP ACCESSORY BM BM3 56 2A J82 0107 0...

Page 20: ...K CHIP C 1000PF K C115 CK73HB1H102K CHIP C 1000PF K C116 CC73GCH1H220J CHIP C 22PF J C117 CC73GCH1H100D CHIP C 10PF D C118 CC73GCH1H101J CHIP C 100PF J C119 CC73GCH1H270J CHIP C 27PF J AK AM BM C120 CK73GB1H102K CHIP C 1000PF K C121 CC73GCH1H100D CHIP C 10PF D C123 CK73GB1A105K CHIP C 1 0UF K C124 125 CK73HB1H102K CHIP C 1000PF K C126 C92 0565 05 CHIP TAN 6 8UF 10WV C128 CK73HB1H102K CHIP C 1000PF...

Page 21: ...CH1H020B CHIP C 2 0PF B BM3 C269 CC73GCH1H330J CHIP C 33PF J C270 CC73GCH1H010B CHIP C 1 0PF B BM3 C270 CC73GCH1H040B CHIP C 4 0PF B AK AM BM C271 CC73GCH1H110J CHIP C 11PF J C272 CC73GCH1H070D CHIP C 7 0PF D BM3 C280 CK73HB1H102K CHIP C 1000PF K C302 CK73HB1C103K CHIP C 0 010UF K C304 CK73GB1A224K CHIP C 0 22UF K C306 C92 0507 05 CHIP TAN 4 7UF 6 3WV C307 308 CK73HB1A104K CHIP C 0 10UF K C309 CC7...

Page 22: ...56NH AK AM BM L111 L40 1092 81 SMALL FIXED INDUCTOR L112 L34 4577 05 AIR CORE COIL L113 L34 4563 05 AIR CORE COIL L114 115 L34 4573 05 AIR CORE COIL AK AM BM L115 L34 4574 05 AIR CORE COIL BM3 L116 L34 4576 05 AIR CORE COIL AK AM BM L117 L34 4575 05 AIR CORE COIL AK AM BM L118 L34 4567 05 AIR CORE COIL AK AM BM L119 L34 4566 05 AIR CORE COIL L121 L34 4563 05 AIR CORE COIL BM3 L122 123 L34 4574 05 ...

Page 23: ...HIP R 82K J 1 16W R209 RK73HB1J272J CHIP R 2 7K J 1 16W R210 211 RK73HB1J332J CHIP R 3 3K J 1 16W R212 RK73HB1J823J CHIP R 82K J 1 16W R213 RK73HB1J392J CHIP R 3 9K J 1 16W R215 RK73HB1J101J CHIP R 100 J 1 16W R216 RK73HB1J124J CHIP R 120K J 1 16W R217 RK73HB1J472J CHIP R 4 7K J 1 16W R218 RK73HB1J561J CHIP R 560 J 1 16W R219 220 RK73GB1J561J CHIP R 560 J 1 16W R221 RK73GB1J102J CHIP R 1 0K J 1 16...

Page 24: ...T SWITCH MIC1 2A T91 0648 05 MIC ELEMENT D1 MA2S111 DIODE D4 5 1SV325 VARIABLE CAPACITANCE DIODE D7 1SV325 VARIABLE CAPACITANCE DIODE D9 1SV325 VARIABLE CAPACITANCE DIODE D10 1SV278 VARIABLE CAPACITANCE DIODE D11 MA2S111 DIODE D101 HSC277 DIODE D102 HZU5CLL ZENER DIODE D103 104 HVC131 DIODE D105 107 HSC277 DIODE D202 HSC277 DIODE D203 206 HVC350B VARIABLE CAPACITANCE DIODE BM3 D203 206 1SV305 VARI...

Page 25: ...46 EXPLODED VIEW 6 5 Ex2 Ex2 Ex2 E Dx2 Ex2 Ex2 C C E A B Ex2 15 25 51 66 29 34 2 28 38 CF201 57 40 19 33 36 18 17 62 53 27 10 61 60 67 39 56 1 14 58 59 30 4 22 12 24 13 71 35 50 52 23 31 21 57 11 9 16 32 700 57 MIC1 101 TX RX unit Parts with the exploded numbers larger than 700 are not supplied ...

Page 26: ...08 0971 05 TK 2212 M 702 KNB 29N Ni MH BATTERY PACK 72 CHARGER W08 0969 05 44 ITEM CARTON CASE H52 2079 02 TK 2212 K M H52 2080 02 TK 2217 M M3 54 BELT CLIP J29 0713 03 41 PACKING FIXTURE H12 3179 05 42 CARTON BOARD H13 2109 03 55 HANDSTRAP J69 0352 05 TK 2217 M M3 43 PROTECTION BAG H25 0085 04 3 CAP SP MIC B09 0680 03 65 SCREW SET N99 2043 05 46 HOLDER SP MIC J19 5472 03 Parts with the exploded n...

Page 27: ...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 Capability 3 or less at 1kHz Input Level 50mV to 10Vrms 11 Spec...

Page 28: ... 145 600MHz High 164 550MHz 164 600MHz 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 10 None MSK Preparations for tuning the transceiver Before attempting to tune the transceiver connect the unit to a suitable power supply Wh...

Page 29: ...de MOD 1kHz DEV 3kHz Narrow MOD 1kHz DEV 1 5kHz 2 VCO lock 1 CH High Power meter ANT TC2 3 8V TK 2212 K M 0 1V voltage DVM CV TK 2217 M RX 3 0V TK 2217 M3 2 CH Low Check 0 6V or more 3 VCO lock 3 CH High TC1 4 2V TK 2212 K M 0 1V voltage PTT ON TK 2217 M TX 2 5V TK 2217 M3 4 CH Low Check 0 6V or more PTT ON Transmitter Section Item Condition Measurement Adjustment Specifications Test equipment Ter...

Page 30: ...wave into 3 points square waves LPF 3kHz HPF OFF PTT ON Narrow TEST CH Center PTT ON 8 QT Deviation TEST CH Center 0 75kHz 40Hz Adjust Low Wide High 3 points LPF 3kHz HPF OFF PTT ON Narrow TEST CH Center 0 35kHz 40Hz PTT ON 9 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 35kHz 40Hz PTT ON 10 DTMF Deviation TEST CH Center 3 0...

Page 31: ...uput 123 dBm 0 16µV SSG MOD 3 0kHz Narrow TEST CH Center SSG otuput 122 dBm 0 18µV SSG MOD 1 5kHz Receiver Section Item Condition Measurement Adjustment Specifications Test equipment Terminal Parts Method Remarks ADJUSTMENT REF 20 0 dBm MKR 155 MHz CENTER 155 MHz SPAN 100 0 MHz RBW 30 kHz VBW 30 kHz SWP 230 ms ATT 5 dB 10 dB A_View Norm B_Blank Norm 32 43 dBm MARKER 155 MHz REF 20 0 dBm MKR 174 MH...

Page 32: ...G 100D Wide SSG otuput 117 dBm 0 3µV AF VTVM SSG MOD 3 0kHz Narrow TEST CH Center SSG otuput 116 dBm 0 35µV SSG MOD 1 5kHz 5 BATT BATT terminal voltage 5 75V DVM ANT Write BATT terminal Detection BATT terminal voltage 5 75V Writing Item Condition Measurement Adjustment Specifications Test equipment Terminal Parts Method Remarks ...

Page 33: ...435 D401 Q407 Q408 D G S D G S D G S R310 R311 R313 R318 R332 C308 C309 C313 C314 C316 C318 C321 C331 D303 R328 R305 R321 R324 R325 R326 R327 R330 C304 C322 C328 C350 C39 C41 C45 Q901 R304 R316 R320 R323 C302 C306 C307 C312 C315 R354 C320 R25 R30 R31 C351 C352 L12 Q301 R213 CP405 Q202 R206 R143 1 5M SB NC GND RSSI 5C PCTV CV BPF SP SP TK 2212 2217 PC BOARD TX RX UNIT X57 7120 XX Component side vie...

Page 34: ...XD R437 C79 C80 R345 C342 C346 R421 L301 R338 R344 R347 R349 R350 C345 C356 Q105 D S G R121 1 10 GND DO CE CL DI GND 5M SB NC GND R126 R130 R132 R138 R140 R142 C138 C146 C148 R133 R134 R139 R403 R436 1 8 GND DOWN UP GND AFO AFI SB B Q304 Q305 R336 R343 C335 C340 C343 Q316 D S G L111 BPF SP SP B TXD TXD SB CN13 ANT SPI SPO MIC MICIN OPT DET 5MS NC J72 0967 09 TX RX UNIT X57 7120 XX Component side v...

Page 35: ... D303 R328 R305 R321 R324 R325 R326 R327 R330 C304 C322 C328 C350 C39 C41 C45 Q901 R304 R316 R320 R323 C302 C306 C307 C312 C315 R354 C320 R25 R30 R31 C351 C352 L12 Q301 R213 CP405 Q202 R206 R143 R437 C79 C80 R345 C342 C346 R421 L301 R338 R344 R347 R349 R350 C345 C356 Q105 D S G R121 1 10 GND DO CE CL DI GND 5M SB NC GND R126 R130 R132 R138 R140 R142 C138 C146 C148 R133 R134 R139 R403 R436 1 8 GND ...

Page 36: ...3 C59 C60 C62 C64 C69 C2 C2 C87 C239 C241 C242 C245 TC1 C251 C252 R291 D7 D202 C263 D203 C264 C266 C268 L107 L113 C280 L115 L116 or L118 or L122 L124 R103 R107 R109 R112 R113 R114 R115 R117 R122 R136 R137 L13 C101 C104 C105 R337 L22 C111 C115 C116 C117 C118 C120 C124 C133 C134 C135 C137 C139 Q5 C141 C142 C149 C153 C348 S1 PTT S2 SW1 C156 S3 SW2 C160 D105 D106 Q205 Q401 Q402 L207 L210 L211 J301 EXT...

Page 37: ...C406 1 4 5 8 1 4 5 8 C22 R210 XF201 C26 C27 R217 CN201 C32 C35 R222 R417 R418 C38 C40 R420 C43 R424 R425 X3 C47 C50 C53 C57 C207 C58 C208 C59 CD201 C60 C210 C62 C63 C213 C407 C64 C409 C66 C67 R447 C68 C219 C220 C71 C221 C73 C74 C78 C228 C421 C230 C82 C426 C427 C235 C429 C87 C239 R470 C241 C242 C1 C2 C3 C440 TC1 TC2 C7 C443 C8 C9 D7 D9 D202 D402 IC201 1 8 9 16 IC401 IC402 1 3 4 5 1 3 4 5 103 L3 L5 ...

Page 38: ...8 C208 C59 CD201 C60 C210 C62 C63 C213 C407 C64 C409 C66 C67 R447 C68 C69 C219 C220 C71 C221 C73 C74 C78 C228 C421 C230 C82 C426 C427 C235 C429 C87 C239 R470 C241 C242 C245 C1 C2 C3 C440 TC1 TC2 C7 C443 C8 C251 C9 C252 R291 D7 D9 D202 C263 D203 C264 C266 C268 D402 L107 L113 C280 L115 IC201 1 8 9 16 L116 or L118 or IC401 L122 IC402 1 3 4 5 1 3 4 5 L124 R103 R107 R109 R112 R113 R114 R115 R117 R122 L...

Page 39: ...1 10u6 3 C1 3300p C403 0 1u R407 330k C401 470p C29 470p C8 100p A C S B 1 2 3 4 5 6 7 8 9 10 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 40 41 42 43 44 45 46 47 50 BATT BATT 5V PROTECTION REVERSE PROTECTION PLL SYSTEM TX RX UNIT X57 7120 XX S33 37 1 S32 S31 S30 S29 S20 S28 S19 S27 S26 S15 S18 S14 S17 S16 S10 S13 S9 S12 S11 S5 S8 S4 S7 S6 C4 S3 C3 S2 S1 C2 C1 S21 S25 S23 S22 S24...

Page 40: ...DULATION AUX CV SW1 SW2 SW2 GND PTT 5R SW TRIPLER MODULATOR VCO RX DC SW RX VCO DC SW TX VCO RX_W N RESET SB DI 5M CL CE DO INT BATT EN2 EN1 B TK 2212 TK 2217 21 10 TK 2217 5C PLL_CLK PLL_DAT PLL_STB QTTCXO PLL_UL PLL IC F_IN AMP CURRENT STEERING X57 7120 XX OSCIN 5C SIDE1 SIDE2 2SC5108 Y Q2 CPH3317 Q403 D404 B30 2157 05 LED GREEN D403 B30 2156 05 LED RED Q401 RT1N141U LED SW RED Q402 RT1N141U LED...

Page 41: ...LR 7 PR 8 VCC R113 R304 560k C210 470p R206 10 C86 1000p C104 39p R901 4 7k 1 2 3 4 5 6 7 8 3 6864MHz CLK DTMF EEPDAT EEPCLK BSHIFT XOUT XIN TMH VOX 5M AFCONT RXD PTT TXD PCTV MIC_MUTE QT DQT_IN SB PTTSW OPTDET RSSI BUSY DTRLOADN DI O ROF FD SCLK TDATA DTRCLK TCLK DTRDO TX_W N DIR STD DCSW 5R B 5T APCSW OSCIN TX_W N TK 2217 TK 2212 TK 2217 RX_W N 5R W N SW TX 38 4 MHz 5C X57 7120 XX IC406 AT24128N...

Page 42: ...3 7T C134 0 1u C142 R137 270 C341 0 047u R322 180k C151 1000p L108 R328 10k Q109 RT1P441U R116 15 R220 560 C144 L207 C137 0 01u C109 0 1u C149 C111 1000p Q104 RT1N141U L119 6T MIC1 R336 1k R334 47k C333 0 1u R332 15k C357 4700p CN13 ANT DC SW DC SW SP MUTE SP MUTE SW SP MUTE SW SP APC SW APC SW APC SW COMPARATOR APC APC SW APC PROTECT RXIN RXINO FILTERO EXPOUT RXAFIN RXAF LIMLV DTRAIN 5T DCSW B AP...

Page 43: ... QT DQT_IN TH_DET AVSS VREF AVCC MIC_MUTE 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 40 41 42 43 44 45 46 47 50 C357 4700p PTT SW1 CN13 3 6864MHz CLK VCO OSCILLATION TX VCO OSCILLATION RX TX MODULATION AUX ANT CV SW1 SW2 SW2 GND PTT BATT BATT 5R SW 5V PROTECTION REVERSE PROTECTION TRIPLER PLL SYSTEM MODULATOR VCO RX DC SW RX VCO DC SW TX VCO DC SW DC SW SP MUTE SP MUTE SW SP MU...

Page 44: ...N441U AGC DET Q302 2SC4919 D303 MC2858 D302 RB706F 40 D301 RB706F 40 VOX MOD DTMF DTRLOADN TDATA DTRCLK STD TCLK DTRDO DI O RDF FD SCLK DIR AQUAXIN 5M LPF QTVCO LPF QTTCXO Q202 RT1P441U 5C INT IC404 BD4845FVE INT PROTECT D402 1SR154 400 SB D401 RB521S 30 RESET RESET AVR IC401 XC6204B502MR 5C DC SW Q405 RT1P237U AVR DC 5R SW 5R_C SW Q407 2SK1830 IC406 AT24128N10S127 TXAFI PLL_STB 5C 5C IC403 BD4840...

Page 45: ...PF1 PTT BSHIFT PCTV BATT XIN XOUT PF2 PF1 PTT 5M MICROPROCESSOR IC405 30620MCP GP LED GREEN LED RED SB SB SW DC SW DC D404 B30 2157 05 D403 B30 2156 05 Q401 RT1N141U LEDTX TH_DET D11 MA2S111 APCSW Q103 2SK2596 D101 D202 HSC277 SW SW Q105 2SK879 Y PCTV AMP AMP SW Q108 2SK1824 SW 5C IC101 TA75W01FU CURRENT Q9 2SC5108 D103 D104 D105 D106 HVC131 DC AMP Q107 RT1N141U AMP ANT 5T DCSW DET Q109 RT1P441U R...

Page 46: ...29mVrms 3 0dBm 14 6dBm 31 8dBm 5 0W 4 5dBm IF1 38 85MHz AF 1kHz AF 1kHz RF Center Frequency L117 Q203 L213 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 b...

Page 47: ... 1 7 8H x 4D inches Weight Charger only Approx 100g 0 22 lbs Specifications KNB 29N Ni MH BATTERY PACK KSC 31 KNB 29N KBH 10 External View External View Schematic Diagram 4N Breaker 75ºC DISCHARGING TERMINALS CHARGING TERMINALS Thermistor AXIAL LEADED INDUCTOR Diode 2N Voltage 7 2V 1 2V x 6 Battery capacity 1500mAh Specifications KBH 10 BELT CLIP External View ...

Page 48: ... with less than 10 distortion Transmitter Measurements made per TIA EIA 603 RF Output Power 5W 1W Spurious Response 65dB Type of Emission 16K0F3E Wide 11K0F3E Narrow FM Hum and Noise 45dB Wide 40dB Narrow Audio Distortion Less than 5 SPECIFICATIONS KENWOOD CORPORATION 2967 3 Ishikawa machi Hachioji shi Tokyo 192 8525 Japan KENWOOD U S A CORPORATION P O BOX 22745 2201 East Dominguez Street Long Bea...

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