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Kenwood TH-K40A, Service Manual

The Kenwood TH-K40A Service Manual is a comprehensive guide that enables users to optimize the performance of their TH-K40A handheld transceiver. With detailed instructions and diagrams, this manual can be downloaded for free from 88.208.23.73:8080, ensuring you have everything you need to make the most of your device.

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TH-K40A/K40E

13

PARTS LIST

Ref. No.

Address

Parts No.

Description

Desti-

nation

New

parts

Ref. No. Address

Parts No.

Description

Desti-

nation

New

parts

M: TH-K40A(M)
E : TH-K40E(E)

TX-RX UNIT (X57-822X-XX)

C337  

 

CK73HB1E103K 

CHIP 

C 

0.010UF 

K 

 

C338  

 

CK73HB1H102K 

CHIP 

C 

1000PF 

K 

 

C339  

 

CC73HCH1H100B 

CHIP 

C 

10PF 

B 

 

C340,341  

  CK73HB1E103K  CHIP 

C 

0.010UF K  

C342  

 

CK73HB1H102K 

CHIP 

C 

1000PF 

K 

 

C344  

 

CC73HCH1H271J 

CHIP 

C 

270PF 

J 

 

C345  

 

CC73HCH1H101J 

CHIP 

C 

100PF 

J 

 

C347  

 

CK73HB1H102K 

CHIP 

C 

1000PF 

K 

 

C351  

 

CK73HB1H102K 

CHIP 

C 

1000PF 

K 

 

C352  

 

CC73HCH1H271J 

CHIP 

C 

270PF 

J 

 

C353  

 

CK73HB1C473K 

CHIP 

C 

0.047UF 

K 

 

C354  

 

CK73HB1H102K 

CHIP 

C 

1000PF 

K 

 

C356  

 

CK73FB1A106K 

CHIP 

C 

10UF 

K 

 

C357  

 

C92-0953-05  ELECTRO 

10UF 

10WV  

C358  

 

CK73FB1A475K 

CHIP 

C 

4.7UF 

K 

 

C359  

 

CK73HB1H332K 

CHIP 

C 

3300PF 

K 

 

C360,361  

  CK73HB1A224K  CHIP 

C 

0.22UF  K  

C363  

 

CK73HB1H102K 

CHIP 

C 

1000PF 

K 

 

C364  

 

CK73HB1A105K 

CHIP 

C 

1.0UF 

K 

 

C365  

 

CK73HB1H102K 

CHIP 

C 

1000PF 

K 

 

C366  

 

CK73FB1A106K 

CHIP 

C 

10UF 

K 

 

C367  

 

CK73GB1E105K 

CHIP 

C 

1.0UF 

K 

 

C369  

 

CK73HB1C473K 

CHIP 

C 

0.047UF 

K 

 

C371  

 

CK73HB1C273K 

CHIP 

C 

0.027UF 

K 

 

C372  

 

CK73FB1A106K 

CHIP 

C 

10UF 

K 

 

C373  

 

CC73HCH1H101J 

CHIP 

C 

100PF 

J 

 

C374  

 

CK73HB1A563K 

CHIP 

C 

0.056UF 

K 

 

C375  

 

CK73GB1E105K 

CHIP 

C 

1.0UF 

K 

 

C376  

 

CK73FB1A475K 

CHIP 

C 

4.7UF 

K 

 

C377  

 

CK73GB1E105K 

CHIP 

C 

1.0UF 

K 

 

C379  

 

CC73HCH1H221J 

CHIP 

C 

220PF 

J 

 

C380  

 

CC73HCH1H271J 

CHIP 

C 

270PF 

J 

 

C381  

 

CK73HB1A104K 

CHIP 

C 

0.10UF 

K 

 

C382-385  

  CC73HCH1H271J  CHIP 

C 

270PF  J  

C386  

 

CK73HB1A154K 

CHIP 

C 

0.15UF 

K 

 

C388  

 

CC73HCH1H471J 

CHIP 

C 

470PF 

J 

 

C390  

 

CK73HB1E103K 

CHIP 

C 

0.010UF 

K 

 

C391  

 

CK73HB1A104K 

CHIP 

C 

0.10UF 

K 

 

C400,401  

  CK73HB1E103K  CHIP 

C 

0.010UF K  

C402  

 

CK73HB1H102K 

CHIP 

C 

1000PF 

K 

 

C403  

 

CC73HCH1H471J 

CHIP 

C 

470PF 

J 

 

C404-407  

  CK73FB0J226M 

CHIP 

C 

22UF 

M  

C408-410  

  CC73HCH1H471J  CHIP 

C 

470PF  J  

C411  

 

CC73HCH1H120J 

CHIP 

C 

12PF 

J 

 

C412  

 

CC73HCH1H010B 

CHIP 

C 

1.0PF 

B 

 

C413  

 

CK73HB1A104K 

CHIP 

C 

0.10UF 

K 

 

C414  

 

CC73HCH1H271J 

CHIP 

C 

270PF 

J 

 

C415  

 

CC73HCH1H120J 

CHIP 

C 

12PF 

J 

 

C417,418  

  CK73HB1H471K  CHIP 

C 

470PF  K  

C419  

 

C93-1803-05  CHIP 

C 

10UF 

M 

 

C420  

 

CK73HB1H471K 

CHIP 

C 

470PF 

K 

 

C421  

 

CC73HCH1H271J 

CHIP 

C 

270PF 

J 

 

C423  

 

CC73HCH1H271J 

CHIP 

C 

270PF 

J 

 

C424,425  

  CK73HB1E103K  CHIP 

C 

0.010UF K  

C427  

 

CK73HB1H102K 

CHIP 

C 

1000PF 

K 

 

C428  

 

CK73HB1E103K 

CHIP 

C 

0.010UF 

K 

 

C432  

 

CC73HCH1H471J 

CHIP 

C 

470PF 

J 

 

C435-438  

  CC73HCH1H471J  CHIP 

C 

470PF  J  

J300 

2B 

 

E11-0484-05 

3.5D PHONE JACK(3.5D/MIC) 

 

J301 

2B 

 

E11-0717-05 

2.5D PHONE JACK(2.5D/SP) 

 

104 3A 

 

E29-1235-04 INTER 

CONNECTOR(LCD)   

CN300  

 

E40-6900-05 

PIN 

ASSY(INT-SP) 

  

 

F101  

 

F53-0287-05  FUSE(0.5A) 

 

   

F300  

 

F53-0372-05  FUSE(3.15A) 

   

 

F301  

 

F53-0467-05  FUSE(0.315A)   

 

 

105 2A 

 

G11-4563-04 SHEET(LCD) 

  

 

106 2A 

 

J21-8639-03 MOUNTING 

HARDWARE(LCD) 

 

107 2A 

 

J30-1267-04 SPACER(MIC)  

   

CD200  

 

L79-1474-05 

TUNING 

COIL(450KHZ) 

 

 

CF200  

 

L72-1042-05 

CERAMIC 

FILTER(450KHZ) 

 

L1  -3 

 

 

L40-2785-92 

SMALL FIXED INDUCTOR(270NH)   

L4   

L41-4763-14 SMALL FIXED INDUCTOR(4.7NH) 

 

L5   

L40-2785-92 SMALL FIXED INDUCTOR(270NH)   

L6   

L41-1578-08 SMALL FIXED INDUCTOR(15NH) 

 

L7  ,8 

 

 

L40-2785-92 

SMALL FIXED INDUCTOR(270NH)   

L9   

L40-1875-71 SMALL FIXED INDUCTOR(18NH) 

 

L10    

L40-1575-71 SMALL FIXED INDUCTOR(15NH) 

 

L11    

L40-3375-71 SMALL FIXED INDUCTOR(33NH) 

 

L13    

L40-4763-92 SMALL FIXED INDUCTOR(4.7NH) 

 

L101  

 

L40-1575-71  SMALL FIXED INDUCTOR(15NH)  

L103  

 

L40-3375-71  SMALL FIXED INDUCTOR(33NH) 

 

L104  

 

L40-1275-71  SMALL FIXED INDUCTOR(12NH) 

 

L105  

 

L41-3375-53  SMALL FIXED INDUCTOR(33NH)  

L106  

 

L34-4572-05  AIR-CORE 

COIL(4T) 

 

   

L107  

 

L34-4571-05  AIR-CORE 

COIL(3T) 

 

   

L108  

 

L41-2285-43  SMALL FIXED INDUCTOR(220NH)   

L109,110  

  L34-4572-05 

AIR-CORE 

COIL(4T)    

 

L112  

 

L34-4572-05  AIR-CORE 

COIL(4T) 

 

   

L113  

 

L41-1075-53  SMALL FIXED INDUCTOR(10NH) 

 

L200,201  

  L40-5681-86 

SMALL FIXED INDUCTOR(0.56UH)  

L202  

 

L40-8281-86  SMALL FIXED INDUCTOR(0.82UH)   

L204  

 

L40-2775-71  SMALL FIXED INDUCTOR(27NH) 

 

L206  

 

L41-5685-39  SMALL FIXED INDUCTOR(0.56UH)  

L207  

 

L40-1885-92  SMALL FIXED INDUCTOR(180NH)   

L209,210  

  L41-8268-14 

SMALL FIXED INDUCTOR(8.2NH) 

 

L211  

 

L41-2785-45  SMALL FIXED INDUCTOR(270NH)   

L212,213  

  L41-8268-14 

SMALL FIXED INDUCTOR(8.2NH) 

 

L215  

 

L40-2763-71  SMALL FIXED INDUCTOR(2.7NH) 

 

L216  

 

L40-4775-71  SMALL FIXED INDUCTOR(47NH) 

 

L217  

 

L41-8268-14  SMALL FIXED INDUCTOR(8.2NH) 

 

X1   

L77-3074-05 TCXO(19.2MHZ) 

 

  

X400  

 

L77-2974-05  CRYSTAL RESONATOR(11.0592MHZ) 

XF200  

 

L71-0669-05 

MCF(38.85MHZ)   

 

 

VR300 2B   

R31-0684-05 

VARIABLE 

RESISTOR  

 

CP1    

RK74HB1J102J 

CHIP-COM 

1.0K 

J 

1/16W 

R2    

RK73HB1J272J 

CHIP 

R 

2.7K 

J 

1/16W 

R4    

RK73HB1J223J 

CHIP 

R 

22K 

J 

1/16W 

R5    

RK73HB1J272J 

CHIP 

R 

2.7K 

J 

1/16W 

R6  ,7 

 

 

RK73HB1J104J 

CHIP R 

100K 

J 

1/16W 

R8    

RK73HB1J103J 

CHIP 

R 

10K 

J 

1/16W 

R9    

RK73HB1J104J 

CHIP 

R 

100K 

J 

1/16W 

R10    

RK73HB1J470J 

CHIP 

R 

47 

J 

1/16W 

R11    

RK73HB1J472J 

CHIP 

R 

4.7K 

J 

1/16W 

R12    

RK73HB1J221J 

CHIP 

R 

220 

J 

1/16W 

R14    

RK73HB1J102J 

CHIP 

R 

1.0K 

J 

1/16W 

R15    

RK73GB2A473J 

CHIP 

R 

47K 

J 

1/10W 

R16    

RK73HB1J000J 

CHIP 

R 

0 J 

1/16W 

If a part reference number is listed in a shaded box, that part does not come with the PCB.

Summary of Contents for TH-K40A

Page 1: ... LIST 10 EXPLODED VIEW 16 PACKING 17 ADJUSTMENT 18 PC BOARD TX RX UNIT X57 822X XX 22 SCHEMATIC DIAGRAM 26 BLOCK DIAGRAM 30 LEVEL DIAGRAM 32 OPTIONAL ACCESSORIES BT 16 Battery Case 33 EMC 11 Clip Microphone with Earphone 33 KNB 65L Li ion Battery Pack 33 KVC 22 DC Vehicular Chager Adapter 33 SPECIFICATIONS 35 Helical antenna T90 1019 35 Plastic cabinet assy A02 4159 03 Knob Volume K29 9503 03 Knob...

Page 2: ...ion reserves the right to make changes to any products herein at any time for improvement purposes DISASSEMBLY FOR REPAIR 1 Separating the Case Assembly from the Chassis 1 Remove the two knobs a 2 Remove the two screws b 3 Pull off the cap from SP MIC jack c 4 Expand the right and left sides of the bottom of the case assembly Iift the chassis and remove it from the case as sembly d 5 Taking care n...

Page 3: ...e CLONE appears on the display 4 Turn the target transceiver power ON 5 Press the CALL key on the source transceiver while SEND is displayed The data of the source is sent to the target While the target is receiving data RECV appears on the display When cloning is completed the END appears on the source and target display 6 Turn the source and target transceiver power OFF Note The Model name and M...

Page 4: ...sses through the XF200 MCF to cut the adjacent spurious and provide the optimum charac teristics such as adjacent frequency selectivity RX 400 469 995MHz M E 361 150 431 145MHz 1st MIX MCF SP MIC CF 450kHz ANT ANT SW RF AMP IF SYSTEM X2 doubler PLL VCO 38 85MHz 38 4MHz TX AMP T R SW AF AMP MIC AMP AF filter TCXO 19 2MHz RF AMP 1st Lo TX 400 469 995MHz M 430 439 995MHz E 430 439 995MHz E TX 400 469...

Page 5: ...ier circuit 2 3 IF Amplifier Circuit The first IF signal is passed through a four pole mono lithic crystal filter XF200 to remove the adjacent channel signal The filtered first IF signal is amplified by the first IF ampli fier Q202 and then applied to the lF system IC IC200 The IF system IC provides a second mixer second local oscillator limiting amplifier quadrature detector and RSSI Received Sig...

Page 6: ...ncy tuning and modulation of the TCXO are done to apply a voltage to pin 1 of the TCXO The output of the TCXO is applied to pin 1 of the PLL IC The VCO consists of 1VCO and covers a dual range of the 400 00 469 995MHz and the 361 150 431 145MHz The VCO generates 361 150 431 145MHz for providing to the first local signal in receive The PLL IC consists of a prescaler reference divider phase comparat...

Page 7: ...PIN I Data input from EEPROM 31 34 COM0 COM3 O LCD common output H Active 35 66 SEG0 SEG31 O LCD segment output H Active 67 LEDR O TX LED Red control H Lights 68 LEDG O BUSY LED Green control H Lights 69 5VC O 5V MIC AMP power switch control L Active 70 5MSC O 5MS main power switch control L Active 71 SPM O Speaker mute control L Mute Pin No Port Name I O Function 72 MONI I MONI key switch input L...

Page 8: ...e adjust 12 Vout6 O TCXO frequency adjust 13 Vin6 I Connect to ground 14 VDAREF1 Reference voltage 1 for DAC 1 8V 15 VDAREF2 Reference voltage 1 for DAC 5 0V 16 RESET I Reset 17 GND Ground 18 Vin7 I Connect to ground 19 Vout7 O RX BPF tuning adjust 20 Vout8 O TX power adjust 21 Vin8 I Connect to ground 22 Vin1 I From MIC output 23 Vout1 O MIC level contorol and mute 24 Vout2 O RX AF mute control P...

Page 9: ...l switch Active ON SM H Q302 SP mute control switch for pop noise Active ON Q303 Speaker mute switch for AF signal line Active ON Ref No Use Function Operation Condition Compatibility Q304 Power supply 5MS switch Active ON 5MSC L Q305 Speaker mute switch for AF signal line Active ON Q306 IC power supply switch for AF power IC Active ON Q307 Power supply 5R switch Active ON 5RC L Q308 Power supply ...

Page 10: ...lor Black Red Orange Yellow Green Blue Violet ppm C 0 80 150 220 330 470 750 Code C D G J K M X Z P No code 0 25 0 5 2 5 10 20 40 80 100 More than 10µF 10 50 20 20 0 Less than 4 7µF 10 75 2nd word A B C D E F G H J K V 1st word 0 1 0 1 25 1 6 2 0 2 5 3 15 4 0 5 0 6 3 8 0 1 10 12 5 16 20 25 31 5 40 50 63 80 35 2 100 125 160 200 250 315 400 500 630 800 3 1000 1250 1600 2000 2500 2150 4000 5000 6300 ...

Page 11: ... T90 1019 35 HELICAL ANTENNA ACSESSORY 58 1C W08 1246 25 AC ADAPTER ACSESSORY 61 2D W08 1249 35 CHARGER ACSESSORY 62 1C W09 1073 25 BATTERY ASSY ACSESSORY X57 8220 21 TX RX UNIT FOR SERVICE M X57 8222 21 TX RX UNIT FOR SERVICE E 101 3A B11 1895 03 ILLUMINATION GUIDE LCD 102 3A B11 1896 04 FILTER LCD D414 415 B30 2261 05 LED YELLOW D416 425 B30 2337 05 LED YELLOW D426 B30 1782 05 LED GREEN D427 B30...

Page 12: ...E103K CHIP C 0 010UF K C226 227 CC73HCH1H080B CHIP C 8 0PF B C228 CK73HB1E103K CHIP C 0 010UF K C229 CC73HCH1H050B CHIP C 5 0PF B C230 CC73HCH1H1R5B CHIP C 1 5PF B C231 CC73HCH1H030B CHIP C 3 0PF B C233 CK73HB1H471K CHIP C 470PF K C234 235 CK73HB1E103K CHIP C 0 010UF K C236 CK73HB1H471K CHIP C 470PF K C237 CC73HCH1H180J CHIP C 18PF J C238 CK73HB1H471K CHIP C 470PF K C239 CK73HB1E103K CHIP C 0 010U...

Page 13: ...B E11 0484 05 3 5D PHONE JACK 3 5D MIC J301 2B E11 0717 05 2 5D PHONE JACK 2 5D SP 104 3A E29 1235 04 INTER CONNECTOR LCD CN300 E40 6900 05 PIN ASSY INT SP F101 F53 0287 05 FUSE 0 5A F300 F53 0372 05 FUSE 3 15A F301 F53 0467 05 FUSE 0 315A 105 2A G11 4563 04 SHEET LCD 106 2A J21 8639 03 MOUNTING HARDWARE LCD 107 2A J30 1267 04 SPACER MIC CD200 L79 1474 05 TUNING COIL 450KHZ CF200 L72 1042 05 CERAM...

Page 14: ... 1 16W R216 RK73HB1J184J CHIP R 180K J 1 16W R218 RK73HB1J102J CHIP R 1 0K J 1 16W R220 RK73HB1J561J CHIP R 560 J 1 16W R221 RK73HB1J000J CHIP R 0 J 1 16W R223 RK73HB1J000J CHIP R 0 J 1 16W R225 RK73HB1J470J CHIP R 47 J 1 16W R227 RK73HB1J151J CHIP R 150 J 1 16W R228 RK73HB1J102J CHIP R 1 0K J 1 16W R229 230 RK73HB1J104J CHIP R 100K J 1 16W R231 RK73HB1J563J CHIP R 56K J 1 16W R233 234 RK73HB1J474...

Page 15: ... 10W R443 RK73HB1J101J CHIP R 100 J 1 16W R444 445 RK73GB2A221J CHIP R 220 J 1 10W R446 RK73GB2A331J CHIP R 330 J 1 10W R447 451 RK73HB1J122J CHIP R 1 2K J 1 16W R452 453 RK73HB1J104J CHIP R 100K J 1 16W R454 462 RK73HB1J102J CHIP R 1 0K J 1 16W R464 RK73HB1J273J CHIP R 27K J 1 16W R465 RK73HB1J473J CHIP R 47K J 1 16W R466 RK73GB2A000J CHIP R 0 J 1 10W R470 RK73HB1J473J CHIP R 47K J 1 16W S417 S70...

Page 16: ...oded view of the PCB that part does not come with the PCB These parts must be ordered separately A A B B Cx13 M E 48 49 51 52 54 33 23 1 47 TX RX unit 32 46 26 3 29 36 19 7 VR300 S419 7 J300 J301 2 A N09 2438 05 B N80 2606 43 C N83 2005 48 107 MIC300 21 24 27 34 4 8 31 106 105 103 101 102 104 X57 X57 X57 X57 X57 X57 X57 700 700 702 S418 X57 6 3 2 1 B A ...

Page 17: ...00 E 712 WARRANTY CARD E 61 CHARGER 711 ITEM CARTON CASE 58 AC ADAPTER 56 HELICAL ANTENNA T90 1019 35 42 Belt clip J29 0756 05 62 BATTERY ASSY W09 1073 25 B62 2371 00 E B62 2372 00 E B62 2373 00 E B62 2374 00 E 713 PACKING FIXTURE W08 1249 35 12 16 INSTRUCTION MANUAL W08 1246 25 B62 2375 00 M 18 INSTRUCTION MANUAL M TH K40A M E TH K40E E 714 PACKING FIXTURE 3 2 1 D C ...

Page 18: ...he current is 3A or more 2 The standard voltage is 7 5V Power supply voltage range 6V 9V 2 DC Ammeter DC A 1 Class 1 ammeter 17 ranges and other features 2 The full scale can be switched between 300mA and 3A 3 A cable with low internal loss must be used 3 Frequency Counter f counter 1 Frequencies of up to 1GHz or so can be measured 2 The sensitivity can be changed to 250MHz or below and measuremen...

Page 19: ...Code 159D 10 None DTMF Code D 11 None 1633Hz Tone Preparations for Tuning the Transceiver Before attempting to tune the transceiver connect the unit to a suitable power supply Whenever the transmitter is tuned the unit must be con nected to a suitable dummy load i e power meter The speaker output connector must be terminated with a 8 dummy load and connected to an AC voltmeter and an audio distort...

Page 20: ... High Press Transmit button f counter TX RX ANT MCP 5T 469 900MHz 50Hz 2 High Transmit Power and Protective Current Note 1 Tuning point Low Center High 3 points BATT terminal voltage 7 5V Press Transmit button Power meter Ammeter MCP 5T 5 0W 0 1W 2 0A or less 3 Low Transmit Power 1 Tuning point Low Center High 3 points BATT terminal voltage 7 5V Press Transmit button 1 0W 0 1W 1 0A or less 4 Mid T...

Page 21: ...DVM Oscilloscope AF VM TX RX ANT SP MIC connector MCP 5T Automatic Adjust ment Press Start button of Auto Tuning Press Apply button to store the adjust ment value after the automatic adjust ment has finished 2 Sensitivity Check Narrow 1 Tuning point Low Center High 3 points SSG output 119dBm 0 25µV SSG DEV 1 5kHz Check 12dB SINAD or more 3 Squelch Level 2 Write Wide 1 Tuning point Low 1 point SSG ...

Page 22: ...E GND RST 5R 1 25 26 75 76 100 0 20 2 71 0 01 A B C D TH K40A K40E PC BOARD Ref No Address IC301 8Q IC304 6P IC305 6M IC306 5N IC307 4P IC308 4N IC401 6J Q300 6Q Q301 5P Ref No Address Q302 5P Q303 4O Q304 7N Q305 4O Q306 5P Q308 4N Q400 7H D300 8O D301 5M D302 5N Ref No Address D304 5N D305 9O D404 5C D405 5D D406 5E D407 5F D408 5D D409 5E TX RX UNIT X57 822X XX 0 20 M 2 71 E Ref No Address Ref ...

Page 23: ...7 R358 R359 C321 C322 R360 R362 R363 R364 R365 C329 R367 R368 C332 C333 R370 C334 C335 C336 R372 C337 C338 R374 C339 R376 R377 R378 R379 C340 C341 C342 R380 C344 R389 C351 C352 C353 C354 C356 C358 C359 D300 C360 D301 D302 C363 D304 C364 D305 C365 C366 C367 C369 C371 C372 C373 C374 C375 C376 C377 C379 IC300 C380 IC301 C381 C383 IC304 IC305 IC306 IC307 IC308 C388 C390 C391 CP1 CN302 CN301 D G S D G ...

Page 24: ...47 C154 R385 R386 C157 R387 R388 C160 D101 D102 C163 D103 C357 D104 Q204 C361 Q401 Q402 Q403 Q404 L210 L211 L212 L213 IC302 IC303 C386 VR300 S419 J301 J300 R325 R326 S418 PTT MONI 1 4 5 8 1 4 5 8 1 4 5 8 G D S G TH K40A K40E PC BOARD Ref No Address IC1 8Q IC200 8M Ref No Address Q7 9Q Q101 4N Q102 3N Q200 8M Q201 9O Q202 8N Ref No Address Q401 9J Q402 8J D1 6Q D2 6P D3 6Q D4 7Q D5 5Q D6 4P D7 4P R...

Page 25: ...C271 L105 L106 C273 C275 C276 C277 C278 IC200 R101 R102 R103 R104 R105 R107 R108 D10 D11 R109 CF200 R111 R112 R113 R114 R115 R116 R120 L1 R121 L2 L3 R124 L4 L5 R125 L6 R127 L7 L8 L9 R129 R324 R130 L10 L11 L13 C100 C101 R331 C102 R332 R333 C103 C104 R334 C105 TH101 C107 C108 C109 IC1 C111 C112 C113 C115 C119 C118 R10 R11 C121 R12 R14 R15 R16 R17 R19 C323 R20 R21 R22 R23 R24 Q1 R25 Q2 R26 Q3 R27 Q4 ...

Page 26: ...R449 1 2k D416 B30 2337 05 D421 D417 D401 DZ2S036 0 C417 470p 2SC4617 R Q402 C419 10u 12A02CH Q401 R437 3 3k C420 470p R438 68 0 R439 33k C418 470p COM0 COM1 COM2 COM3 SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 S419 C B A D423 D422 D425 R450 1 2k R451 1 2k D424...

Page 27: ...1 0592MHz L77 2974 05 C331 270p C330 270p IC400 EX25064ATA00A 1 2 3 4 VSS 5 6 7 8 VCC CN307 CN403 CN400 CN401 CN402 CN308 CN306 IC401 R5F2L3ACCKEKA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 6 0 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 7 0 7 1 7 2 7 3 7 4 7 5 76 77 78 79...

Page 28: ... 1u C39 0 68u 2 5 C326 180p C328 0 01u C37 0 47u 25 C304 0 047u D11 DA2S101 C321 0 18u C319 0 18u R305 10k R318 2 7k R23 R15 47k R341 820k R347 47k R315 560k R28 1k R21 R335 10k R323 1k R19 R314 820k R32 10k R316 10k R20 R14 1k R346 220k R317 3 9k R337 10k R309 5 6k R27 1 5k R11 4 7k R300 1k R10 47 R25 R342 R301 R22 R303 2 2k R304 3 9k R345 82k R302 R37 R36 R38 R35 R34 R33 R39 10 R30 1 0 k R17 100...

Page 29: ...n KTC4080E P Q201 KTC4080E P Q202 L202 C132 4p C234 0 01u C240 470p F101 0 5A CF200 L72 1042 05 R126 270 R218 1k R206 390k R324 R111 68k R200 47 R203 150k R214 330k R102 R128 270 R220 560 R113 R204 R26 4 7k R115 4 7 k R129 0 39 R112 47 R121 3 9 k R201 1 8k R125 0 39 R216 180k R105 2 2k R114 39 R213 47 R127 0 39 R109 4 7 k R212 R205 2 2k R103 2 2k R104 18 R107 10 R130 0 R124 330 R116 0 R101 0 R120 ...

Page 30: ...BFS8 D1 D2 1SV325F D4 HVC350B MOD CONV D A D5 HVC350B ASSIST IC300 5 8 R2A20178NP IC300 6 8 R2A20178NP Q6 INVERT LTC014EEBFS8 PLLD 5MS FREQ 5MS B30 1782 05 Q403 D426 GRN LEDG LTC014EEBFS8 LTC014EEBFS8 5MS DCSW B30 1779 05 Q404 D427 RED LEDR 3 3V REG Q7 2SC5383 T111 DCSW DCSW DCSW SB DATA PROTECT SB D301 GN1G BATT 7 5V VOLIN B VR300 R31 0684 05 PROTECT D302 RB521S 30 VOLOUT BATT F300 3 15A SB RESET...

Page 31: ...2S101 D6 5C KTC4080E P SQL LTA023JEBFS8 IC301 NJM12904RB1 LIMITER MIC AMP 5C CONV D A FILTER AF IC303 NJM12904RB1 LSDI WID NAR 2nd Local Q5 2SC5636 RF AMP RD07MUS2BT112 Q103 AMP CD CD200 L79 1474 05 S8 5C MIC INT SP MUTE SW SB Q303 MUTE SW Q305 LTC044EEBFS8 F301 Q302 SPM Q301 INT 2SK3577 A DC SW DC SW LTC044EEBFS8 0 315A VOLOUT SPG TXD SPK AFO PTT RXD MIC IM 5MS J301 E11 0717 05 J300 E11 0484 05 M...

Page 32: ...ceiver Section Transmitter Section FM IF SYSTEM DAC SSG 53dBm ANT 57 3dBm 78 6dBm 61 8dBm 46 6dBm 55 1dBm 49 0dBm 60 7dBm 32 3dBm 31mVrms 27mVrms 2 4Vrms 2 3Vrms 2 0Vrms C265 C256 C248 C273 C228 C223 C217 C322 C381 C357 SP 500mW Q303 Q305 IC307 IC303 IC200 Q202 XF200 MIXER Q203 Q204 RF CENTER FREQUENCY IF1 38 85MHz IF2 450kHz AF 1kHz IC300 DAC AF AMP AF AMP SIGN FIL AF FIL C22 14 3dBm VCO C27 C34 ...

Page 33: ... EMC 11 Clip Microphone with Earphone KVC 22 DC Vehicular Chager Adapter KNB 65L Li ion Battery Pack Specifications Earphone unit Impedance 72 15 16 15 Speaker only Nominal input power 20mW Microphone unit Impedance 1 5k 30 Sensitivity 42dB 3dB at 1000Hz Specifications Voltage 7 4V Battery capacity typ 1520mAh min 1460mAh ...

Page 34: ...TH K40A K40E 34 MEMO ...

Page 35: ...mitter RF output power with KNB 63L KNB 65L High 5 0W Medium 2W Low 1W Modulation Reactance Maximum frequency deviation Within 5kHz Spurious emission Less than 60dB Modulation distortion Less than 5 300Hz 3kHz Microphone impedance 2k Receiver Circuit type Double super heterodyne Intermediate Frequency IF 1st IF 38 85MHz 2nd IF 450kHz Sensitivity 12dB SINAD Less than 0 16µV Squelch sensitivity Less...

Page 36: ...TH K40A K40E ...

Page 37: ...41 C342 R380 C344 R389 C351 C352 C353 C354 C356 C358 C359 D300 C360 D301 D302 C363 D304 C364 Q400 D305 C365 C366 C367 C369 C371 C372 C373 C374 C375 C376 C377 C379 IC300 C380 IC301 C381 C383 IC304 IC305 IC306 IC307 IC308 C388 C390 CN1 C391 CP1 J79 0326 09 CN302 CN301 D G S D G S D G S D G S D D G S 1 3 4 5 1 5 4 3 1 2 4 3 1 2 SPG SPK 1 6 7 12 13 18 19 24 1 10 5 6 1 4 5 8 1 4 5 8 MIC300 SB GND 5M 5T...

Page 38: ...07 C108 C109 IC1 C111 C112 C113 C115 C119 C118 R10 R11 C121 R12 C316 C317 R14 C318 R15 C319 R16 R17 C128 R19 C320 C323 R20 C324 C130 R361 C325 R21 C326 C132 R22 C327 R23 C134 C328 R24 C135 Q1 R25 Q2 C136 R26 Q3 C137 R27 Q4 C138 R28 R369 Q5 C139 Q6 Q7 C330 C331 C140 R30 C141 R31 R32 R33 C144 C145 R2 R36 C147 R37 C148 R4 R38 R5 R39 R6 R7 R8 R9 C150 R40 R41 C345 C151 R382 C152 C347 R383 R43 C153 C154...

Page 39: ... 9k R362 330k R337 10k R309 5 6k R112 47 R27 1 5k R359 330 R121 39 k R201 1 8k R 1 1 4 7k R125 0 39 R300 1k R10 47 R370 470k R216 180k R105 2 2k R25 R114 39 R342 R213 47 R365 2 2k R422 1 k R127 0 39 R109 4 7k R212 R301 R355 470 R205 2 2k R 22 R103 2 2k R104 18 R107 10 R130 0 R383 10k R350 8 2k R303 2 2k R304 3 9k R354 1k R345 82k R302 R124 3 3 0 R37 R36 R38 R35 R34 R33 R39 10 R30 1 0 k R 17 1 00 R...

Page 40: ...F AMP RD07MUS2BT112 Q103 AMP SHIFT LPF CD CD200 L79 1474 05 LTC014EEBFS8 5C MIC INT SP MUTE SW SB Q303 MUTE SW Q305 LTC044EEBFS8 F301 Q302 SPM Q301 INT 2SK3577 A DC SW DC SW D1 D2 1SV325F D4 HVC350B MOD CONV D A D5 HVC350B ASSIST LTC044EEBFS8 0 315A VOLOUT SPG TXD SPK AFO PTT RXD MIC IM 5MS J301 E11 0717 05 J300 E11 0484 05 MIC300 T91 0673 05 D A IC300 1 8 CONV R2A20178NP IC300 5 8 R2A20178NP IC30...

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