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Kenwood TH-K4AT, Руководство по обслуживанию

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TH-K4AT/K4E

PARTS LIST

22

TX-RX UNIT (X57-675X-XX)

Destination

Ref. No.

Parts No.

Description

Address

New

parts

Destination

Ref. No.

Parts No.

Description

Address

New

parts

E : TH-K4E

M2 : TH-K4AT

D34

∗

MAZS0270H

ZENER DIODE

D35,36

RB521S-30

DIODE

D60-62

MA2S111

DIODE

E

D61

MA2S111

DIODE

M2

D63-65

MA2S111

DIODE

M2

D64,65

MA2S111

DIODE

E

D69-73

MA2S111

DIODE

D74

HSM88AS

DIODE

D79,80

DA221

DIODE

D81

RB521S-30

DIODE

IC1

LMX2316TMX

MOS IC

IC2

NJM2904V

MOS IC

IC3

TA31136FN

MOS IC

IC4

∗

XC6202PB52FR

MOS IC

IC5

NJM2107F

MOS IC

IC6

TA7368F

MOS IC

IC8

∗

90522BPFFG139

MPU

IC9

∗

TK11250CM

MOS IC

IC10

∗

S-80844CNNBB85

MOS IC

IC11

∗

S-80930CNNBG80

MOS IC

IC12

∗

TK11250CUCB

MOS IC

IC15

AT25160N10SI27

ROM IC

IC16,17

NJM2904V

MOS IC

Q1

2SK508NV(52K)

FET

Q2

∗

2SC5488

TRANSISTOR

Q3

2SK1830

FET

Q4

2SC4617(R)

TRANSISTOR

Q5,6

∗

2SC5488

TRANSISTOR

Q9

∗

2SC5488

TRANSISTOR

Q10

2SC4926YD

TRANSISTOR

Q11

2SK2596

FET

Q12

2SK3476

FET

Q13

2SK1830

FET

Q14

∗

RN4902

TRANSISTOR

Q15

2SC4617(R)

TRANSISTOR

Q16,17

3SK318

FET

Q20

2SK1830

FET

Q21

2SC4617(R)

TRANSISTOR

Q22

∗

RN2105

TRANSISTOR

Q23

KTC4082

TRANSISTOR

Q24

∗

2SC5488

TRANSISTOR

Q27

2SK1830

FET

Q29

2SC4919

TRANSISTOR

Q30

2SC4617(R)

TRANSISTOR

Q31

2SK1830

FET

Q33

2SB1184(Q,R)

TRANSISTOR

Q34,35

2SK1830

FET

Q36

2SJ347

FET

Q37

2SB1184(Q,R)

TRANSISTOR

Q38

2SC4617(R)

TRANSISTOR

Q41

∗

RN2105

TRANSISTOR

Q47

RN1701

TRANSISTOR

Q50

2SK1830

FET

Q51

∗

RN4902

TRANSISTOR

Q52

∗

RN1107

TRANSISTOR

Q53

RN2701

TRANSISTOR

Q55

∗

CPH3317

FET

Q56

∗

CPH3417

FET

Q57

∗

RN2105

TRANSISTOR

Q58

2SK1830

FET

TH1

∗

B57331V2103J

THERMISTOR

TH2-4

B57331V2104J

THERMISTOR

Содержание TH-K4AT

Страница 1: ...BC 21 WALL CHARGER 58 PB 43N Ni MH BATTERY PACK 58 BT 14 BATTERY CASE 59 PG 4Y PROGRAMMING INTERFACE CABLE 59 MCP 1A MEMORY CONTROL PROGRAM 59 SPECIFICATIONS BACK COVER Knob ENC K29 5159 03 Knob VOL K29 5150 03 Cabinet assy 16key A02 3822 23 Helical Antenna T90 1019 25 Key top 16key K29 9272 02 Front glass B10 2746 03 Knob PTT LAMP MON K29 9274 03 Knob ENC K29 5159 03 Knob VOL K29 5150 03 Cabinet ...

Страница 2: ...e TX RX PC board PTT PC board TX RX unit C 3 3 Remove one screw on the PTT PC board 4 Pull the PTT PC board to the left and remove it from the connector CN6 of the TX RX PC board TX RX unit A 3 Ω TX RX PC board TX RX unit A 3 5 Remove the SP MIC jack cover 6 Remove two screws ç holding the shield cover antenna terminal section 7 Remove two screws holding the shield cover final amplifier section 8 ...

Страница 3: ... b If there is any space between the radiation plate and PC board eliminate it by applying the tip of the soldering iron to the radiation plate 7 Apply the tip of the soldering iron to the installation side of the radiation plate of the TX RX PC board put a little amount of solder to the radiation plate that is seen through a square hole in the final FET installation section and melt the solder n ...

Страница 4: ...s of each tabs are folded at least 45 degrees Fig 3 If the bending angle of the tabs of the LCD hardware fixture is less than 45 degrees a display error may occur Bending position NG NG Min 45 degrees 3 PTT PCB TX RX unit C 3 installation procedure Installing the PTT PCB on the TX RX PCB and chassis are as follows 1 Insert the PTT PCB connector CN7 into the TX RX PCB connector CN6 lightly 2 Push t...

Страница 5: ... with the chassis Clearance NG Fig 6 6 Cautions for installing the chassis on the case assembly 1 Verify that the packing G53 1572 02 TX BUSY lamp section is has been past through the hole in the illumination guide section on the top of the case assembly Fig 7 LAMP LOW PTT Fig 7 2 Align the speaker lead as shown fig 8 Do not place the leads over the key top section LCD section or SP MIC DC IN cap ...

Страница 6: ...odulation Table 1 Basic configuration ANT SW SP LPF VCO BPF APC MPU IC8 PLL IF AMP DET Tripler x 3 TCXO BPF L41 L40 L38 BPF L32 L34 MIXER Q16 1st Local OSC PLL RF AMP Q17 ANT MCF XF1 IF AMP Q24 FM IC IC3 Q23 2nd Local OSC X1 AF AMP IC6 5R 5R D20 D21 LV 6 Tuning voltage D18 D19 38 85MHz 12 8MHz First Mixer The received signal passing through the band pass filter L32 L34 is mixed with the first loca...

Страница 7: ...SP JACK Fig 3 IF Squelch Mute and S meter circuit Fig 4 AF amplifier FM IC and band pass filter consisting of R125 R126 R135 C173 C174 The noise component is rectified in the FM IC to produce a DC voltage which is output from the N REC terminal pin 14 of the FM IC as squelch voltage The squelch voltage enters the SQ terminal pin 48 of the MPU IC8 and is compared with the reference voltage preset i...

Страница 8: ...phone amplifier circuit MIC HPF MIC AMP IC16 ANT SW D10 D11 L19 D12 D13 VCO Q1 LPF IC5 VR5 MAX DEV Q2 RF AMP Q5 RF AMP Q9 RF AMP Q10 DRIVE AMP Q11 DRIVE AMP Q12 POWER AMP ANT Fig 6 Modulation Drive Final and Transmission reception switching circuit APC Circuit The APC Automatic Power Control circuit is used to obtain a stable transmission power and controls transmission output by detecting the dra...

Страница 9: ...TX RX 5T 5 0V 5R 5 0V VR1 Fig 8 PLL and VCO circuit amplifying VCO output with an RF amplifier Q6 and dividing it with the PLL IC The PLL synthesizer with 5 kHz and 6 25 kHz step is configured by comparing phases of the reference frequency and comparison frequency The phase difference between reference frequency and comparison frequency passes through a charge pump in the PLL IC then ripples are r...

Страница 10: ...84 Q R 2SC4617 R IC4 5MS SW Q55 5MV SW Q36 RB521S 30 DC IN DET RN2105 AF AMP 2SB1184 Q R PROTECT 5 0V 11 5V AF LAMP AVR RN2105 Q53 PROTECT THERM DET 2SK1830 B RB051L 40 Q33 AVR IC9 B PROTECT D36 RB521S 30 D35 PROTECT RB521S 30 PROTECT D30 RB521S 30 IC8 MPU D31 DA221 CONSTANT CURRENT BTEMP DCDET BATT TERMINAL 7 5V Norminal 6 0 9 0V DC IN 13 8V Norminal 12 0 16 0V IC1 TCXO Q4 5 6 D40 41 5R 5T VR1 EN...

Страница 11: ...g and VOX voltage monitoring are performed through each A D port of the MPU Battery Save Circuit If there is no signal squelch off scan off or no key operation for longer than 10 seconds the transceiver will enter the battery save mode Battery save operation is performed by controlling Q57 with an output signal from the 5C SAVE terminal pin 15 of the MPU The 5C ON OFF cycle ratio during battery sa...

Страница 12: ...J3 ROTARY ENCODER KIN1 KIN2 KIN3 KIN4 IC8 MPU PTTI 14 PTTE 13 ENCB 36 ENCA 35 SET MONI LAMP MENU CALL MR VFO F KIN0 KOUT0 KOUT1 KOUT2 KOUT3 95 S7 J3 KIN1 KIN2 KIN3 KIN4 IC8 MPU PTTI 14 PTTE 13 ENCB 36 ENCA 35 PWRSW POWER SW ROTARY ENCODER Other keys composes a matrix and key presses are detected by scanning them by software The encoder reads data using the interrupt port pins 35 and 36 of the MPU ...

Страница 13: ...3 CTCSS DCS FILTER FM IC 50 VR5 AMP DTMF The DTMF signal is generated by the MPU IC8 and is output from the DTMF BEEP terminal pin 40 of the MPU The DTMF signal is mixed with an audio signal at the input side of the AF amplifier IC6 and is output as a monitor tone The DTMF signal is mixed with a modulation signal at the input side of pre emphasis in the microphone amplifier IC16 and used as a tran...

Страница 14: ...e input for ADC 45 AVSS Ground for ADC 46 REM I Remote control microphone key voltage input A D 47 SIGIN I Decode waveform input of CTCSS DCS A D Pin Pin I O Function No Name Pin Pin I O Function No Name 48 SQ I Noise voltage input for squelch A D 49 SM I RSSI voltage input for S meter A D 50 VOXIN I Microphone voltage input for VOX A D 51 THERM I TX temperature compensation input A D 52 BATT I Ba...

Страница 15: ...ction No Name IC1 PLL IC IC2 APC differential amplifier IC3 FM IC IC4 11 5V AVR IC5 HPF Active filter IC6 AF amplifier IC8 MPU IC9 5 0V AVR IC10 4 4V voltage MPU INT voltage detection detection IC11 3 3V voltage MPU Reset voltage detection detection IC12 5 0V AVR IC15 EE PROM IC16 MIC amplifier Limiter splatter filter IC17 CTCSS DCS Active filter filter Q1 VCO Q2 RF amplifier Q3 VCO shift On TX co...

Страница 16: ...n On when the speaker outputs the audio switch or lamp lights Q41 5MS switch On when 5MS is applied Q47 TX BUSY LED switch Q50 Key LED switch On when the key LED lights Q51 LCD LED On when the LCD LED lights switch Q52 Beat shift switch Q53 5R 5MV switch On when 5R or 5MV is applied Q55 5T switch On when 5T is applied Q56 Speaker mute switch Q57 5C switch On when 5C is applied Q58 Q12 gate Off whe...

Страница 17: ... C50 CC73HCH1H220J CHIP C 22PF J C51 CC73GCH1H220J CHIP C 22PF J C52 CC73HCH1H100D CHIP C 10PF D C54 CK73HB1H471K CHIP C 470PF K C55 CK73HB1C103K CHIP C 0 010UF K 1 3A 2G A02 3817 02 CABINET ASSY BATTERY CASE M2 2 1A A02 3822 23 CABINET ASSY 16KEY M2 3 1C A02 3823 23 CABINET ASSY 4KEY E 4 3A 3C A10 4066 11 CHASSIS 5 3B 3D A82 0053 02 REAR PANEL 6 1B 1D B09 0675 03 CAP SP MIC DC IN 7 1A 1C B10 2746...

Страница 18: ...P C 470PF K C148 CC73HCH1H060B CHIP C 6 0PF B C152 153 CK73HB1H471K CHIP C 470PF K C156 CK73HB1H471K CHIP C 470PF K C157 CC73HCH1H180G CHIP C 18PF G C158 CC73HCH1H130G CHIP C 13PF G C159 CC73HCH1H030B CHIP C 3 0PF B C160 CC73HCH1H130G CHIP C 13PF G C161 CC73HCH1H030B CHIP C 3 0PF B C162 164 CK73HB1H471K CHIP C 470PF K C165 CC73HCH1H030B CHIP C 3 0PF B C166 CK73HB1C103K CHIP C 0 010UF K C167 168 CK...

Страница 19: ...CK73HB1H471K CHIP C 470PF K C368 CK73GB1H471K CHIP C 470PF K C369 371 CK73HB1H471K CHIP C 470PF K C372 CK73GB1H471K CHIP C 470PF K C374 CC73HCH1H101J CHIP C 100PF J E C510 CK73HB1A473K CHIP C 0 047UF K C511 CK73HB1H471K CHIP C 470PF K C512 CC73HCH1H101J CHIP C 100PF J E CN1 E40 5915 05 FLAT CABLE CONNECTOR CN2 E40 5929 05 PIN ASSY CN6 E40 6327 05 PIN ASSY CN7 E40 5630 05 PIN ASSY SOCKET CN8 E40 63...

Страница 20: ...B1J394J CHIP R 390K J 1 16W R82 RK73HB1J273J CHIP R 27K J 1 16W R83 RK73HB1J563J CHIP R 56K J 1 16W R84 RK73HB1J104J CHIP R 100K J 1 16W R85 RK73GB1J561J CHIP R 560 J 1 16W R86 RK73HB1J562J CHIP R 5 6K J 1 16W R88 RK73HB1J331J CHIP R 330 J 1 16W R90 RK73HB1J331J CHIP R 330 J 1 16W R91 RK73HB1J102J CHIP R 1 0K J 1 16W R92 RK73HB1J332J CHIP R 3 3K J 1 16W R93 RK73HB1J470J CHIP R 47 J 1 16W R94 RK73H...

Страница 21: ...J101J CHIP R 100 J 1 16W R230 RK73HB1J221J CHIP R 220 J 1 16W M2 R231 RK73HB1J151J CHIP R 150 J 1 16W R234 RK73HB1J183J CHIP R 18K J 1 16W R235 236 RK73HB1J102J CHIP R 1 0K J 1 16W R237 RK73HB1J104J CHIP R 100K J 1 16W R238 239 RK73HB1J102J CHIP R 1 0K J 1 16W R240 RK73HB1J104J CHIP R 100K J 1 16W R241 243 RK73HB1J334J CHIP R 330K J 1 16W R244 R92 1252 05 CHIP R 0 OHM J 1 16W R246 RK73HB1J392J CHI...

Страница 22: ...60N10SI27 ROM IC IC16 17 NJM2904V MOS IC Q1 2SK508NV 52K FET Q2 2SC5488 TRANSISTOR Q3 2SK1830 FET Q4 2SC4617 R TRANSISTOR Q5 6 2SC5488 TRANSISTOR Q9 2SC5488 TRANSISTOR Q10 2SC4926YD TRANSISTOR Q11 2SK2596 FET Q12 2SK3476 FET Q13 2SK1830 FET Q14 RN4902 TRANSISTOR Q15 2SC4617 R TRANSISTOR Q16 17 3SK318 FET Q20 2SK1830 FET Q21 2SC4617 R TRANSISTOR Q22 RN2105 TRANSISTOR Q23 KTC4082 TRANSISTOR Q24 2SC5...

Страница 23: ...d A B 1 2 3 2 7 C B 34 35 6 40 16 D D D 29 10 8 9 15 20 18 17 36 37 D TX RX Unit B 3 TX RX Unit C 3 TX RX Unit A 3 Dx2 D D E Ex2 D Dx2 D 23 33 39 28 14 22 Ax2 13 21 E E 5 4 12 701 STICKER Fx2 1 Gx2 A N09 1492 05 B N14 0569 04 C N14 0573 04 D N79 2035 46 E N79 2040 45 F N82 2007 46 G N09 2433 05 31 44 ...

Страница 24: ...4E C D 1 2 3 3 7 C B 34 35 6 40 16 D D D 29 10 8 9 15 20 18 19 38 37 D TX RX Unit B 3 TX RX Unit C 3 TX RX Unit A 3 D D D 23 33 39 28 14 22 13 21 E E 5 4 12 A N09 1492 05 B N14 0569 04 C N14 0573 04 D N79 2035 46 E N79 2040 45 F N82 2007 46 G N09 2433 05 31 Dx2 E Ex2 D Dx2 Ax2 701 STICKER Fx2 Gx2 44 ...

Страница 25: ...NNA T90 1019 25 42 CHARGER 230V 13 8V W08 0959 05 30 BELT HOOK ASSY J29 0709 04 32 HANDSTRAP J69 0342 05 24 ITEM CARTON CASE H52 1964 02 705 UK PLUG ATTACHMENT 26 PACKING FIXTURE H12 3146 01 704 WARRANTY CARD PACKING TH K4E Parts with the exploded numbers larger than 700 are not supplied 702 PAMPHLET R TTE 43 BATTERY ASSY 7 2V 1100mAh W09 0991 05 ...

Страница 26: ...00 are not supplied G H 1 2 3 11 INSTRUCTION MANUAL B62 1695 00 B62 1696 00 703 PAMPHLET 25 ITEM CARTON CASE H52 1965 12 41 HELICAL ANTENNA T90 1019 25 32 HANDSTRAP J69 0342 05 27 PACKING FIXTURE H12 3147 03 30 BELT HOOK ASSY J29 0709 04 1 CABINET ASSY BATTERY CASE A02 3817 02 ...

Страница 27: ...ry terminal C Squelch SQL1 SQL2 D S meter Two segments in S meter light all segments in S meter light E RX BPF Lower limit frequency center frequency upper limit frequency F 7 5V TX H power Lower limit frequency center frequency upper limit frequency G 7 5V TX M power Lower limit frequency center frequency upper limit frequency H 7 5V TX L power Lower limit frequency center frequency upper limit f...

Страница 28: ...e detected DC voltage value to the current noise level is displayed at the lower digits of the frequency display and the value stored in the EEPROM is displayed on the memory channel number display 2 Press the MENU key to write the current noise level value into the EEPROM 2Squelch SQL2 1 Press the LAMP or MONI key on the transceiver to display SQ2 on the LCD 2 Press the MENU key to write the curr...

Страница 29: ...g value into the EEPROM 2RX BPF Center frequency 1 Press the LAMP or MONI key on the transceiver to display BPC on the LCD 2 Press the VFO MR or CALL key to switch to the frequency display 3 Turn the encoder to display the center frequency on the LCD 4 Repeat steps 4 to 6 of 1RX BPF Lower limit frequency described on page 29 3RX BPF Upper limit frequency 1 Press the LAMP or MONI key on the transce...

Страница 30: ...e LCD 4 Press the CALL key to switch to the adjustment display 5 Press the PTT key to enable the transmit mode 6 Adjust the output voltage from DC power supply until the voltage at the battery terminal becomes 7 5V while the transceiver is transmitting 7 Turn the encoder to change the current APC value and adjust the transmission power 8 Press the MENU key to write the current APC value into the E...

Страница 31: ...ower limit frequency center frequency upper limit frequency 113 8V TX H power Lower limit frequency 1 Press the LAMP or MONI key on the transceiver to display P13L on the LCD In this case the icon appears The current APC value is displayed at the lower digits of the frequency display and the value stored in the EEPROM is displayed on the memory channel number display 2 Press the VFO MR or CALL key...

Страница 32: ...Press the VFO MR or CALL key to switch to the frequency display 3 Turn the encoder to display the upper limit frequency on the LCD 4 Repeat steps 4 to 7 of 113 8V TX M power Lower limit frequency described on page 32 K 13 8V TX L power Lower limit frequency center frequency upper limit frequency 113 8V TX L power Lower limit frequency 1 Press the LAMP or MONI key on the transceiver to display P13L...

Страница 33: ...e frequency 151 4Hz is internally generated and modulated 6 Turn the encoder to change the current adjustment value and adjust tone deviation 7 Press the MENU key to write the current adjustment value into the EEPROM 2Tone deviation Center frequency 1 Press the LAMP or MONI key on the transceiver to display DVC on the LCD In this case the icon appears Press the F key and then the PTT key repeatedl...

Страница 34: ... LCD In this case the icon appears 2 Press the VFO MR or CALL key to switch to the frequency display 3 Turn the encoder to display the upper limit frequency on the LCD 4 Repeat steps 4 to 7 of 1DCS deviation Lower limit frequency described on page 33 O VOX sensitivity Level 1 level 9 1VOX sensitivity Level 1 1 Press the LAMP or MONI key on the transceiver to display VOX1 on the LCD Press the F key...

Страница 35: ...requency 400 000MHz DVM TX RX LV Check 0 7V or more RX 2 Frequency 469 990MHz A 3 4 3V or less TX TX power Low 1 Frequency 400 000MHz 0 7V or more PTT ON 2 Frequency 469 990MHz 4 3V or less PTT ON After observing the VCO lock voltage connect the TX RX unit B 3 to the original position 3 TX frequency 1 TX power Low f counter ANT TX RX VR1 439 990MHz 400Hz Adjust Frequency 439 990MHz A 3 PTT ON 4 Ov...

Страница 36: ... 12dB SINAD or more 2 IF response 1 Frequency 469 990MHz SSG Check 12dB SINAD or Check SSG Frequency 450 565MHz Oscilloscope less SSG output 53dBm 501uV Distortion meter Note If the SSG MOD 1kHz specification is not SSG DEV 3kHz satisfied repeat the AF output 0 63V 8Ω operations for 2 Frequency 400 050MHz 1 RX BPF SSG Frequency 380 625MHz Adjust SSG output 53dBm 501uV 3 Frequency 435 000MHz SSG Fr...

Страница 37: ...G Check Two segments Check SSG output 120dBm 0 22uV in S meter light 2 SSG output 105dBm 1 26uV All segments in S meter light 6 Hum and 1 Frequency 435 050MHz SSG TX RX ANT noise ratio SSG output 53dBm 501uV Oscilloscope A 3 SP Check SSG MOD 1kHz Distortion meter SSG DEV 3kHz AF V M AF Output 0 63V 8Ω AF V M 0dB 2 SSG DEV OFF Check 38dB or less 7 AF distortion 1 Frequency 435 050MHz Check 5 or les...

Страница 38: ...MHz PTT ON 5 LCD display P7C Frequency 435 000MHz PTT ON 6 LCD display P7H Frequency 439 995MHz PTT ON Switch to Adjustment mode and carryout the operations for adjustment item H Refer to page 30 7 LCD display P7L Frequency 430 000MHz PTT ON 8 LCD display P7C Frequency 435 000MHz PTT ON 9 LCD display P7H Frequency 439 995MHz PTT ON DC power supply DVM Power meter Am meter TX RX A 3 B GND ANT Encod...

Страница 39: ... display P13H Frequency 439 995MHz PTT ON Switch to Adjustment mode and carry out the operations for adjustment item K Refer to page 32 7 LCD display P13L Frequency 430 000MHz PTT ON 8 LCD display P13C Frequency 435 000MHz PTT ON 9 LCD display P13H Frequency 439 995MHz PTT ON Switch to Adjustment mode and carry out the operations for adjustment item B Refer to page 28 TX power Low 1 LCD display BA...

Страница 40: ...tch to Adjustment mode and carry out the operations for adjustment item L Refer to page 33 Detector P P HPF OFF LPF 3kHz De emphasis OFF TX power Low 1 LCD display DCS BAL Frequency 435 000MHz PTT ON To exit from the Adjustment Mode turn the transceiver power OFF and then ON MIC terminal input AG 1kHz 80mV Detector P P HPF OFF LPF 15kHz De emphasis OFF TX power Low 1 Frequency 435 000MHz PTT ON MI...

Страница 41: ... mode and carry out the operations for adjustment item N Refer to page 33 Detector P HOLD HPF OFF LPF 3kHz De emphasis OFF TX power Low 1 LCD display DVL Frequency 430 000MHz PTT ON 2 LCD display DVC Frequency 435 000MHz PTT ON 3 LCD display DVH Frequency 439 990MHz PTT ON Switch to Adjustment mode and carry out the operations for adjustment item O Refer to page 34 TX power Low 1 LCD display VOX1 ...

Страница 42: ...z De emphasis OFF TX power Low 1 Frequency 435 000MHz Send DTMF code D Detector P P 2 HPF OFF LPF 15kHz De emphasis OFF TX power Low 1 Frequency 435 000MHz Send 1750Hz Tone TX power High 1 Frequency 435 000MHz ANT OPEN PTT ON AG Linear detector Am meter Check Check Check Check Does not transmit Transmits 2 0kHz 4 2kHz 2 5kHz 4 5kHz 2 4A or less Item Condition Measurement Adjustment Specifications ...

Страница 43: ...trol 6 GND GND CN8 1 KIN1 Key matrix input CN9 2 IM Internal microphone 3 KYO3 Key matrix output 4 8M 8V power supply 5 KIN4 Key matrix input 6 MIG Microphone ground 7 LAMP Key illumination control 8 GND GND 9 KYO0 Key matrix output 10 KIN2 Key matrix input 11 KYO1 Key matrix output 12 KIN0 Key matrix input 13 KYO2 Key matrix output 14 KIN3 Key matrix input CN No Pin No Pin Name Function TX RX UNI...

Страница 44: ...512 R166 R167 R168 D70 D71 D69 D72 R20 R21 L45 L46 R24 R1 C328 R171 Q4 Q6 D81 C331 L53 R30 R31 R32 R33 L58 R34 R35 C339 R36 R37 R38 R188 R189 L64 L67 C349 VR1 VR5 MAX DEV VR6 C351 C356 C166 C167 R58 C168 C169 C170 C171 C172 C173 C174 C175 C176 C370 C371 C372 R70 C180 R71 R72 C182 C183 R74 R75 R76 C186 R77 C187 R78 C188 R79 C189 R80 C190 R81 C191 R82 C192 C193 R83 R84 C194 R85 C195 R86 C196 C197 C1...

Страница 45: ...1 COM2 Q56 G G G S S S D D D Q57 C279 C280 C290 C291 TH1 J3 MIC J4 SP D25 D26 D34 CP34 CP35 R328 D40 D41 R335 C300 C302 C304 C305 C306 C307 C308 C309 IC6 1 5 6 10 C118 IC9 1 3 4 6 R157 C310 R158 C311 R159 C312 C313 C317 C318 1 5 2 6 GND KYO1 KIN4 BL KYO2 PTT R355 C319 65 C512 R170 R171 L49 C331 R244 L63 C344 C345 C346 C347 C348 C351 C354 C355 C359 C360 C368 R86 CN2 INT SP CN6 R202 R203 R204 IC10 1...

Страница 46: ...6 R353 R354 L38 R162 C510 L40 L41 D74 D79 R1 D80 C330 R179 C332 C335 C336 R180 R181 R182 R183 R185 C152 C153 L68 R190 R191 R192 C156 R193 R194 C158 R195 C159 R196 R197 R198 R199 C160 C161 C162 C357 C163 C164 C358 C165 C361 C365 R186 R61 C366 R62 C367 C87 CN1 X3 R200 R201 IC12 1 4 6 3 1 120 30 31 60 61 90 91 J72 0884 19 A 3 46 TH K4AT K4E PC BOARD TX RX UNIT X57 675X XX A 3 0 21 M2 2 71 E Foil side...

Страница 47: ...R347 R348 R155 R156 CF1 L32 R10 L34 R11 L35 R12 L36 C124 R14 R160 R15 R161 R16 R162 R17 R163 R164 C129 C323 D73 C130 C324 C131 C132 C326 C133 C327 C134 Q1 G S D C135 C329 Q2 C136 Q3 D S G C137 R173 R174 C139 Q5 R175 R176 R177 L50 R178 Q9 R179 L54 C140 C141 L56 C142 C144 R180 C338 C145 R181 R182 C146 C147 R183 R4 C148 R39 R5 R6 R7 R8 R9 L65 R41 R42 C152 C153 R45 R46 C157 R47 R49 C352 C353 R50 R51 B...

Страница 48: ...60 C311 R159 D61 C312 D62 C313 D63 D64 R351 D65 C317 C318 1 5 2 6 GND KYO1 KIN4 BL KYO2 PTT R355 C319 C125 C126 R18 C128 C511 R19 R165 C512 R166 R167 R168 D70 D71 D69 D72 R20 R21 L45 L46 R24 R170 C328 R171 L49 Q4 Q6 D81 C331 R244 L53 R30 R31 R32 R33 L58 R34 R35 C339 R36 R37 R38 R188 R189 L63 C344 L64 C345 C346 L67 C347 C348 C349 VR1 VR5 MAX DEV VR6 C351 C354 C355 C356 C359 C166 C167 R58 C168 C169 ...

Страница 49: ...323 D73 D74 C130 C324 C131 C132 C326 C133 C327 C134 D79 Q1 G S D C135 C329 Q2 C136 Q3 D S G C137 R173 R174 C139 Q5 R175 R176 R177 D80 C330 L50 R178 Q9 R179 C332 L54 C140 C141 C335 L56 C336 C142 C144 R180 C338 C145 R181 R182 C146 C147 R183 R4 C148 R39 R5 R185 R6 R7 R8 R9 L65 R41 R42 C152 C153 L68 R190 R45 R191 R46 R192 C156 C157 R47 R193 R194 C158 R49 R195 C159 R196 R197 R198 R199 C352 C353 R50 C16...

Страница 50: ... VFO 3 MR F CALL VFO 6 5 4 7 8 9 MR CALL 0 LAMP MONI J72 0884 19 B 3 J72 0884 19 C 3 48 TH K4AT K4E PC BOARD Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 TX RX UNIT X57 675X XX B C 3 0 21 M2 2 71 E Component side view J72 0884 19 B C 3 Ref No Address D42 4D D43 5D D44 8D D46 5G D47 8G ...

Страница 51: ...D49 R336 R337 C374 CN7 1 PTT KYO2 BL 5 2 KIN4 KYO1 GND 6 CN8 KIN3 KIN0 KIN2 GND MIG 8M IM KYO2 KYO1 KYO0 LAMP KIN4 KYO3 KIN1 49 PC BOARD TH K4AT K4E TX RX UNIT X57 675X XX B C 3 0 21 M2 2 71 E Foil side view J72 0884 19 B C 3 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Ref No Address Q50 3I D48 11C D49 11B ...

Страница 52: ... C206 0 018u C230 1u C353 470p R199 1k VR5 50k R176 820k R211 470k R137 4 7k R209 100k C237 10u10 R217 820 R190 47k C271 470p C198 1u 2SB1184 Q R Q37 C272 470p 2SB1184 Q R Q33 C196 0 027u R196 10k C253 10u10 C209 470p R192 470 R175 2 2k C283 470p R214 10k C368 470p L68 C200 0 01u R154 4 7k R143 27k VR6 50k TH2 100k R139 4 7k R146 4 7k R142 1k R165 820k C349 0 1u R158 330k IC17 NJM2904V 1 2 3 4 GND...

Страница 53: ... 1u SEG13 SEG28 SEG24 SEG12 SEG30 SEG2 X3 7 982MHz R282 0 COM0 SEG14 SEG23 SEG13 C293 47p SEG14 SEG29 C332 0 1u SEG8 R276 47k SEG28 R277 47k COM2 COM1 SEG27 SEG9 SEG10 LCD B38 0881 05 1 COM0 2 COM1 3 COM2 4 COM3 5 SEG0 6 SEG1 7 SEG2 8 SEG3 9 SEG4 10 SEG5 11 SEG6 12 SEG7 13 SEG8 14 SEG9 15 SEG10 16 SEG11 17 SEG12 18 SEG13 19 SEG14 20 SEG15 21 SEG16 22 SEG17 23 SEG18 24 SEG19 25 SEG20 26 SEG21 27 SE...

Страница 54: ... C374 R241 330k R240 100k C299 1u C298 470p KIN3 GND BL KYO1 KYO2 KIN4 PTT RESET INT0 KEY LED SW SET LCD LED SW 5T SW 5C SW 5MS SW EEPROM 5 0V AVR TX RX UNIT X57 675X XX C 3 MARKET CODE DETECTION D62 65 D69 72 PTT BOARD REVERSE CURRENT PREVENTION BIT0 KEY ILLUMINATION LED D42 44 46 47 BIT3 BIT1 BIT2 TYPE KEY LAMP PTT JUMPER MONI MENU 4 CALL 0 TX RX UNIT X57 675X XX B 3 8M VFO KIN4 5 MIG F CALL LAM...

Страница 55: ... R131 330k C57 10p 2SK1830 Q20 R16 270 L67 C30 470p R21 4 7k R35 120k R14 3 3k C15 12p R189 0 R19 120k C38 0 01u C188 24p C5 0 1u R123 1 8k KTC4082 Q23 CD1 450kHz VR1 100k C44 100p C194 0 1u C25 470p C18 470p C14 470p L8 18n C55 0 01u L45 560n C192 0 01u C29 22u6 3 L5 270n 2SK508NV 52K Q1 L6 270n C8 5p B C3 2p B L3 22n C2 39p G L2 270n CN15 CN17 L4 6 8n D3 HVC376B D4 HVC376B D1 HVC376B D2 HVC376B ...

Страница 56: ...01u R107 100k L36 56n R88 330 D20 1SV305 R103 1 8k L40 4 7n R97 150k C131 0 01u L26 470n R91 1k R352 0 R111 1 0M C146 4p B C140 4p B C133 0 01u D18 1SV305 L35 150n C129 11p R108 120k C130 470p R110 1 0M C152 470p XF1 L71 0619 05 C126 10p C141 470p C145 8p B L41 6 8n L32 27n C158 13p G L38 12n L34 27n C125 1 5p R90 330 R351 220 C156 470p D21 1SV305 C142 470p D19 1SV305 C144 18p G R101 47 C161 3p B ...

Страница 57: ...5 10p C326 470p D74 HSM88AS C68 10p 2SC4926YD Q10 R59 12k R34 3 3k R348 68 R85 560 R77 150k D Q14 RN4902 R78 150k D C113 470p R86 5 6k TH1 10k C118 470p C112 470p R74 100k D D14 RB521S 30 R71 0 39 R70 0 39 R83 56k C109 470p 2SK1830 Q13 C105 470p C108 100p R82 27k C106 470p C115 470p C111 470p C117 470p R76 150k D C512 R75 100k D R80 10k IC2 NJM2904V 1 AOUT 2 A IN 3 A IN 4 GND 5 6 7 8 R84 100k R81 ...

Страница 58: ...er transmission The RF and IF sections are measured by using a spectrum analyzer After setting the standard 1 kHz 3 kHz Dev deviation each voltage of the AF section is measured by using an AF VTVM or osciloscope The level for each point is measured without removing parts or cutting the pattern All voltage levels must be measured after setting the AF output volt age at 0 58V rms The RF and IF secti...

Страница 59: ...SW KIN0 4 TYPE AFM SPM MICM KAPC FINAL CHARGE AFAMP RXLED BTDET TXD 5MS 5R 5T 5C SAVE VOX KYO0 3 VUKEY VCC DVCC AVCC AVRH HST VCC V3 RESET INTUP INTDW CLOCK DATA EEPCS EEPDI BSFT X0 X1 PLLEN PLLLD CLOCK DATA BTEMP KEY ILLMI B30 2205 05 D42 43 46 D44 47 2SK1830 Q50 KEY ILLMI SW LAMP PTT LAMP MONI D48 49 RN4902 LCD ILLMI SW Q51 B30 2205 05 LCD ILLMI DCDET MOD PTTI KIN4 KYO1 KYO2 2SC5488 RF AMP SIGIN...

Страница 60: ...04V 5C 5R 5C 5R 5R 5R 5R BPF APC B 5R AFM AF AVR BPF APC SPM TEMP DET TH1 B57331V 2103J 5R 5R APC V D14 RB521S 30 CHARGE FINAL DTMF BEEP SQ SM J2 ANT REM TXD AMP 450kHz R BATT TERMINAL 7 5V Norminal 6 0 9 0V B DC IN 13 8V Norminal 12 0 16 0V D33 PROTECT RB051L 40 RB051L 40 PROTECT D32 PROTECT RB521S 30 D81 VR BPF APC B PROTECT D30 RB521S 30 Q56 CPH3417 D26 1SS388 SP MUTE SW 2SK1830 D25 MA2S111 Q31...

Страница 61: ... External View PB 43N Schematic diagram T Discharge terminal side Rear charge terminal side Thermister DTN 103F3H SYS T Diode ERB83 004 Breaker BBS80A2Y 01 80 C Breaker BBS70 A1N 01 70 C 4N 2N Thermister DTN 103F3H SYS Voltage 7 2V 1 2V x 6 Charging current 1100mAh Dimensions Projections included 58W x 100 8H x 16 8D mm Charger and charging time KSC 24 Rapid charger Approx 60 minutes Weight 210g P...

Страница 62: ...CASE PG 4Y PROGRAMMING INTERFACE CABLE MCP 1A MEMORY CONTROL PROGRAM BT 14 6 AA LR6 External View PG 4Y External View MCP 1A Available free for downloading from the Kenwood website http www kenwood com i products info amateur html ...

Страница 63: ...ng Voltage DC IN Jack DC 12 0 16 0 V 13 8 V nominal Battery terminal DC 6 0 9 0 V 7 2 V nominal Grounding method Negative ground Current Transmit with H 13 8 V DC IN 1 8 A or less Transmit with H 7 2 V PB 43N 2 0 A or less Transmit with M 7 2 V PB 43N 1 5 A or less Transmit with L 7 2 V PB 43N 0 8 A or less Receive no signal 100 mA or less Battery Saver ON Average 30 mA or less Usable temperature ...

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