Kenwood TK-868HG Скачать руководство пользователя страница 40 | Manualshive

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SCHEMATIC DIAGRAM /

TK-868HG

50

Note : Components marked with a dot (·) are parts of patterun 1.

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Содержание TK-868HG

Страница 1: ...DIAGRAM 33 PC BOARD VIEWS DISPLAY UNIT X54 3270 10 35 PLL VCO X58 4670 XX 36 TX RX UNIT X57 596X XX A 2 37 TX RX UNIT X57 596X XX B 2 43 SCHEMATIC DIAGRAM 47 BLOCK DIAGRAM 51 SPECIFICATIONS 54 128 channels 128 CONTENTS REVISED The service manual is the same as the C market TK 868HG B51 8541 00 service manual with the exception of the new C3 market UHF FM TRANSCEIVER UHF ...

Страница 2: ...Parts number Remarks Destination TX RX unit PCB number TK 868G B51 8500 00 C C3 J72 0678 02 TK 868G B51 8502 00 M M3 J72 0678 02 TK 868HG B51 8541 00 SUPPLEMENT C J72 0760 02 TK 868HG B51 8541 10 REVISED C C3 J72 0760 12 This Service manual Frequency range C M 450 490MHz C3 M3 400 430MHz Fig 1 Modifying the Transceiver Modify the transceiver as follows to turn the power or the Horn Alert or Manual...

Страница 3: ...eiver 2 Insert the two cables with connectors from the KAP 1 switch unit into the connectors on the transceiver 3 Secure the switch unit board to the chassis with a screw The notch in the board must be placed at the front left side 4 Attach the cushion on the top of the KAP 1 switch unit 1 3 2 Modifying the Transceiver Horn alert The signal from pin 4 of IC9 on the TX RX unit turns Q5 and Q1 on an...

Страница 4: ...A and HR2 are not necessary and the speaker out put is output to an external unit through the KCT 19 connect the KCT 19 C connector to CN8 on the TX RX unit 8C R21 Q5 Q1 D2 Q6 Q1 Q6 4 IC9 Shift register IGN KAP 1 SWITCH UNIT X41 3380 20 W1 1 2 3 HOR E SB W2 1 2 3 PA LI SPO SPI CN1 1 2 HR2 NC CN2 1 2 3 HR1 E SB CN3 1 2 PAO LIO E R1 0 C5 1000P C6 1000P C7 1000P K2 D1 C3 0 01 C1 1000P R3 0 R4 0 C2 10...

Страница 5: ...ce the transceiver is modified it cannot be turned on and off with the power switch The power switch turns the LCD backlight and display on and off The power is switched on and off by IGNITION SENSE IC502 CPU 6 Q506 87 88 25 20 R705 Attach 0 Power switch MBL MBL SB Q505 Key backlight LCD IC510 1 3 CN5 R142 47K Remove IC14 KCT 19 15 pin KCT 18 Foot switch Control section TX RX section Outside 13 1 ...

Страница 6: ... 1 push Horn Light operation stop Horn Light operation D A key 1 push Emergency reset code receive MON key Foot SW 1 push Emergency mode reset Normal operation After 1 min 1 4 2 Dots Dots LCD dots light 3 or or 1 Press and hold the foot switch for about one second 2 3 left most dots light 3 2 right most dots light 4 While pressing MON key push foot switch for about one second 1 4 2 3 ...

Страница 7: ...E SCREW 44 1B T07 0368 05 SPEAKER D802 805 B30 2220 05 LED 2P YELLOW C801 803 CC73GCH1H101J CHIP C 100PF J C804 CK73GF1A105Z CHIP C 1 0UF Z C805 CK73GB1H102K CHIP C 1000PF K C806 807 CK73GB1H471K CHIP C 470PF K CN801 E40 6020 05 PIN ASSY L801 L92 0138 05 FERRITE CHIP TK 868HG R801 803 RK73GB1J103J CHIP R 10K J 1 16W R804 RK73GB1J473J CHIP R 47K J 1 16W R805 RK73GB1J474J CHIP R 470K J 1 16W R806 R9...

Страница 8: ...B1H471K CHIP C 470PF K C134 CK73FB1E104K CHIP C 0 10UF K C135 CC73GCH1H120J CHIP C 12PF J C3 C135 CC73GCH1H180J CHIP C 18PF J C C138 CK73FB1E104K CHIP C 0 10UF K C139 140 CK73GB1H471K CHIP C 470PF K C141 C92 0719 05 ELECTRO 47UF 25WV C142 143 CK73GB1H471K CHIP C 470PF K C144 CK73GB1H102K CHIP C 1000PF K C145 CC73GCH1H070D CHIP C 7 0PF D C3 C145 CC73GCH1H090D CHIP C 9 0PF D C C146 CK73GB1H471K CHIP...

Страница 9: ...1E123K CHIP C 0 012UF K C526 CK73GB1C683K CHIP C 0 068UF K C527 CK73GB1H222K CHIP C 2200PF K C528 CK73GB1H103K CHIP C 0 010UF K C529 CK73GB1H272K CHIP C 2700PF K C530 CK73GB1H152K CHIP C 1500PF K C531 CK73GB1H272K CHIP C 2700PF K C532 533 CK73GB1C104K CHIP C 0 10UF K C534 535 CK73GB1H103K CHIP C 0 010UF K C536 537 CK73GB1C104K CHIP C 0 10UF K C538 C92 0566 05 CHIP TAN 10UF 6 3WV C539 CK73GB1H103K ...

Страница 10: ...7 L40 1875 34 SMALL FIXED INDUCTOR 18NH 8 C3 L29 L34 1185 05 AIR CORE COIL L30 31 L34 1039 05 AIR CORE COIL L32 L34 4478 05 AIR CORE COIL L33 34 L92 0179 05 FERRITE CHIP L35 L40 2775 77 SMALL FIXED INDUCTOR 27NH C3 L501 L92 0138 05 FERRITE CHIP L503 504 L92 0138 05 FERRITE CHIP L510 L92 0138 05 FERRITE CHIP X1 L77 1826 05 TCXO 16 8MHZ X501 L77 1708 05 CRYSTAL RESONATOR 3 579545MHZ X502 L78 0462 05...

Страница 11: ...1J222J CHIP R 2 2K J 1 16W R120 R92 1252 05 CHIP R 0 OHM R121 RK73GB1J100J CHIP R 10 J 1 16W R122 R92 1215 05 CHIP R 470 J 1 2W R123 RK73GB1J472J CHIP R 4 7K J 1 16W R124 RK73GB1J103J CHIP R 10K J 1 16W R125 RK73GB1J333J CHIP R 33K J 1 16W R126 RK73GB1J471J CHIP R 470 J 1 16W R127 128 RK73GB1J104J CHIP R 100K J 1 16W R129 RK73GB1J331J CHIP R 330 J 1 16W R130 RK73GB1J152J CHIP R 1 5K J 1 16W R131 R...

Страница 12: ...73GH1J913D CHIP R 91K D 1 16W R555 556 RK73GB1J104J CHIP R 100K J 1 16W R557 RN73GH1J274D CHIP R 270K D 1 16W R558 R92 1252 05 CHIP R 0 OHM R559 RK73GB1J333J CHIP R 33K J 1 16W R560 RK73GB1J474J CHIP R 470K J 1 16W R561 RK73GB1J333J CHIP R 33K J 1 16W R562 R92 1252 05 CHIP R 0 OHM R563 RK73GB1J473J CHIP R 47K J 1 16W R564 RK73GB1J223J CHIP R 22K J 1 16W R565 R92 1252 05 CHIP R 0 OHM R566 RK73GB1J5...

Страница 13: ...408N10SI2 5 IC 8KBIT SERIAL EEPROM IC507 NJM2904V IC APC IC508 TC35453F IC AUDIO PROCESSOR IC509 BU4066BCFV IC ANALOG SWITCH X4 IC510 BU4094BCFV IC 8BIT SHIFT STORE REGISTER IC511 LC73872M IC DTMF RECEIVER IC512 NJM78L05UA IC VOLTAGE REGULATOR IC513 TA75W558FU IC OP AMP X2 IC514 TC75W51FU IC OP AMP X2 Q1 DTD114EK DIGITAL TRANSISTOR Q2 KRA225S DIGITAL TRANSISTOR Q3 DTA114EKA DIGITAL TRANSISTOR Q4 6...

Страница 14: ...AP 10P CN101 E40 6019 05 PIN ASSY F10 2279 04 SHIELDING CASE L101 104 L40 1595 34 SMALL FIXED INDUCTOR 1 5UH L105 L40 3975 34 SMALL FIXED INDUCTOR 39NH L106 L40 2775 34 SMALL FIXED INDUCTOR 27NH L107 108 L40 1098 76 SMALL FIXED INDUCTOR 1UH L109 110 L40 1595 34 SMALL FIXED INDUCTOR 1 5UH L112 L34 4548 05 AIR CORE COIL C L112 L34 4549 05 AIR CORE COIL C3 L115 L34 4547 05 AIR CORE COIL C L116 L34 45...

Страница 15: ...24 3 24 2 40 37 7 11 6 17 18 22 22 23x2 27 24 9 25 14 12 21x2 44 26 IC400 16 701 Cx2 702 703 A A C Ax2 C 703 TX RX unit X57 596 B 2 TX RX unit X57 596 A 2 Display unit X54 327 704 Dx11 Cx2 B B A M2 6 x 6 OC BLK N33 2606 45 B M3 x 8 N67 3008 46 C M2 6 x 6 Br Tap N87 2606 46 D M2 6 x 12 Br Tap N87 2612 46 ...

Страница 16: ...loded numbers larger than 700 are not supplied D E 1 2 3 8 Instruction manual B62 1259 20 30 Polystyrene foamed fixture F H10 6628 02 31 Polystyrene foamed fixture R H10 6629 02 33 Protection bag H25 0720 04 34 Item carton case H52 1654 02 ...

Страница 17: ...nges channel Volume Volume up down LCD indicator SCN Unused AUX Lights at RF power low MON Lights at monitor on Right side dot Lights at narrow LED indicator Red LED Lights during transmission Green LED Lights when there is a carrier Frequency and Signalling The set has been adjusted for the frequencies shown in the following table When required re adjust them following the adjustment procedure to...

Страница 18: ...must be terminated with a 4 dummy load and connected to an AC voltmeter and an audio distortion meter or a SINAD measurement meter at all times during tuning Transceiver tuning To place transceiver in tuning mode Channel appears on LCD Set channel according to tun ing requirements LCD display Test mode Press SCN now in tuning mode Use D A button to write tuning data through tuning modes and CH to ...

Страница 19: ... deviation Narrow A _ F Q T_XXX QT fine deviation C _ F Q T _ XXX QT fine deviation H FDQT_XXX DQT fine deviation Wide F DQT_XXX DQT fine deviation L FDQT_XXX DQT fine deviation Narrow A F D Q T_XXX DQT fine deviation C F D Q T _ XXX DQT fine deviation H SENS_XXX Seisitivity S ENS_XXX Sensitivity L A S E N S_XXX Sensitivity C S E N S _ XXX Sensitivity H DTMF_XXX DTMF fine deviation Wide DTMF_XXX D...

Страница 20: ... 30MHz 6 High Sensitivity Frequency Range 10Hz to 1000MHz Frequency Counter Frequency Stability 0 2ppm or less 7 Ammeter 20A 8 AF Volt Meter Frequency Range 50Hz to 10kHz AF VTVM Voltage Range 1mV to 3V 9 Audio Generator AG Frequency Range 20Hz to 20kHz or more Output 0 to 1V 10 Distortion Meter Capability 3 or less at 1kHz Input Level 50mV to 10Vrms 11 4Ω Dummy Load Approx 4Ω 10W or more 12 Regul...

Страница 21: ...21 TK 868HG 1 8 1 BLC 2 PSB 3 E 4 PTT 5 ME 6 MIC 7 HOOK 8 CM ...

Страница 22: ... 429 950MHz C3 AG SSG output 116dBm 0 35µV SSG MOD 3kHz DVM TX RX RSSI AF output 1V 4Ω A 2 2 S ENS Front CH Adjust panel SSG freq 450 050MHz C 400 050MHz C3 3 S E N S Adjust SSG freq 470 050MHz C 415 050MHz C3 3 Squelch 3 1 Set test mode Front CH Adjust to the Wide Select SQL3 in tuning mode panel squelch threshold S QL3 point Adjust SSG freq 450 050MHz C 400 050MHz C3 SSG output 125dBm 0 12µV SSG...

Страница 23: ...22 TK 868HG 23 ...

Страница 24: ...ng mode S QL9 Adjust SSG freq 450 050MHz C 400 050MHz C3 SSG output 115dBm 0 4µV SSG MOD 3kHz Wide 1 5kHz Narrow 2 S Q L 9 Adjust SSG freq 470 050MHz C 415 050MHz C3 3 S Q L 9 _ Adjust SSG freq 489 950MHz C 429 950MHz C3 Narrow 4 SQL9 Adjust SSG freq 470 050MHz C 415 050MHz C3 5 Squelch 1 Set test mode Check Squelch must be opened check CH CH1 Sig1 CH3 Sig1 Wide Narrow SSG output 116dBm 0 35µV 2 S...

Страница 25: ...23 TK 868HG 25 ...

Страница 26: ...ect HPOW in tuning mode H POW Adjust 256 PTT ON 3 High power 1 Set test mode 40 0W 2 0W Select HPOW in tuning mode H POW PTT ON Adjust 2 H P OW PTT ON Adjust 3 H P O W PTT ON Adjust 4 H P O W PTT ON Adjust 5 H P O W _ PTT ON Adjust 4 Low power 1 Set test mode Power meter 10 0W 1 0W Select LPOW in tuning mode L POW PTT ON Adjust 2 L P OW PTT ON Adjust 3 L P O W PTT ON Adjust 4 L P O W PTT ON Adjust...

Страница 27: ...24 TK 868HG 27 ...

Страница 28: ...B A L _ PTT ON Adjust Narrow 4 _BAL PTT ON Adjust 7 Maximum 1 Set test mode 3 95kHz Wide 50Hz Wide Narrow deviation Connect AG to the MIC 1 95kHz Narrow Wide terminal According to the Select MAX in tuning mode larger _ MAX AG 1kHz 50mV Deviation meter filter LPF 15kHz HPF OFF De emphasis OFF PTT ON Adjust 2 _ M A X PTT ON Adjust 3 _ M A X _ PTT ON Adjust Narrow 4 _MAX PTT ON Adjust 8 MIC 1 Set tes...

Страница 29: ...25 TK 868HG 29 ...

Страница 30: ... deviation Select FDQT in tuning mode panel Wide F DQT Deviation meter filter LPF 3kHz HPF OFF PTT ON Adjust 2 F D Q T PTT ON Adjust 3 F D Q T _ PTT ON Adjust Narrow 4 FDQT 0 36kHz 40Hz PTT ON Adjust 11 DTMF 1 Set test mode Front CH 3 0kHz 0 2kHz deviation Select DTMF in tuning mode panel Wide Deviation meter filter LPF 15kHz HPF OFF PTT ON Adjust Narrow 2 DTMF 1 5kHz 0 1kHz PTT ON Adjust 12 TONE ...

Страница 31: ...26 TK 868HG 31 ...

Страница 32: ...e EEPROM is stored in memory When parts are changed readjust the transceiver Adjustment Point Repair Jig Chassis Use jig Part No A10 4010 02 for repairing the TK 868HG The jig facilitates the voltage check when the voltage on the component side TX RX unit is checked during repairs Extension cable Part No E30 3404 05 Power LED Volume up down Display Channel up down MIC jack Programmable function ke...

Страница 33: ... each point via a 0 01µF capacitor AF VTVM AF level obtained when the AF output level is adjusted for 0 45V 4Ω with the front panel AF VOL control Measured with AF voltmeter connected to the external speaker jack receiving a 53dBm SSG signal modulated at 1kHz DEV 3kHz Wide 1 5kHz Narrow 1 AG is set so that MIC input becomes 3kHz Wide 1 5kHz Narrow DEV at 1kHz MOD 2 Transmitting frequency Center fr...

Страница 34: ...R806 R808 R809 L801 1 16 17 32 48 49 64 33 CN101 RX ST 6 1 HT E 8CL MD CV J72 0676 02 C107 C114 C121 C118 C111 C123 C117 D105 R116 C110 C108 R101 R102 TC106 L101 TC109 R117 R106 R104 R105 C113 C124 R112 R113 L102 C112 D101 D102 D103 D104 L108 L107 Q101 G S D G S D Q103 L105 L103 L104 C102 C126 C120 C119 R110 C125 R107 C115 C104 C105 R103 R108 C116 L110 L109 C122 R115 R109 R114 R111 Q102 Q104 Q105 ...

Страница 35: ...4 IC4 1 4 5 8 R78 C98 C81 R71 C93 C99 CN8 2 1 E 10 SP C141 1 C134 C203 C207 C210 C212 C138 C86 C64 R87 C96 C16 C17 C18 C19 C21 C15 C14 C13 15 1 R9 R59 R19 R91 R37 R34 R86 D9 C40 R53 R52 R51 R8 R7 R66 R49 R40 R57 R1 R2 R202 C45 C70 C165 C79 C80 R67 R89 R77 R90 R96 R221 R70 D42 R85 R76 C83 IC13 C166 D25 C172 C206 C208 C209 C211 C215 C226 L26 C114 C35 C73 C68 Q8 GND MIO MII AFI AFO ALT AUX2 AUX4 AUX1...

Страница 36: ...R163 R18 R58 F1 R116 Q18 R159 R25 C33 R36 C36 R31 C31 C189 L8 C126 Q15 R125 R145 Q26 R152 R122 R135 C24 R17 1 34 R153 D15 R80 C87 R47 R32 R23 R30 R60 R38 C58 R174 R120 R154 C154 C164 R181 C216 C62 C56 L4 L2 C100 C102 C105 C108 C110 C115 C120 C168 C152 C139 C140 C142 C145 C167 C177 C190 C243 C245 C197 C201 C221 D16 L11 L12 L15 R158 R139 L24 Q14 Q22 1 2 3 4 R100 R101 R108 R111 R112 R113 R119 R127 R1...

Страница 37: ...R S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C91 R93 Q32 E C B IC6 1 12 13 1 4 5 8 24 CN3 SB E HOR 3 1 C10 C7 C3 Q9 XF1 DEO DTC IGN DI ME MI PTT SQ 1 3 AM MM EMG TXS C131 C117 G O I C161 C160 C46 IC7 C103 Q12 C89 C30 C1 1 8 C5 C8 C11 C2 C6 C9 R201 J1 EXT SP C144 IC12 O G I C32 CF2 CF1 C97 R10 R11 C72 Q2 R56 C84 IC11 RSSI GND TH1 R177 R62 C61 C270 C71 R3 SB GND R4 R55 R50 R75 CN7 1 3 PA LI SPI SPO R131 R63...

Страница 38: ...T CNT CK E MBL 5C LCD CS SB CNT DT E S R Q P O N M L K J I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R538 C521 R555 R592 R519 C508 R514 R572 D521 R602 C603 C609 C605 C601 C599 C613 C503 IC503 G I O C507 R529 R536 C524 R556 C526 C626 C628 R616 R539 C580 R531 C523 C538 R534 R518 R510 R532 R537 C520 R551 C532 R540 R541 C630 C631 D529 R622 IC501 1 16 17 32 IC510 1 CNT CK 8 9 16 C501 R505 IC507 ...

Страница 39: ...601 C599 C613 C503 IC503 G I O C507 R529 R536 C524 R556 C526 C626 C628 R616 R539 C580 R531 C523 C538 R534 R518 R510 R532 R537 C520 R551 C532 R540 R541 C630 C631 D529 R622 IC501 1 16 17 32 IC510 1 CNT CK 8 9 16 C501 R505 IC507 1 4 5 8 C543 R560 R562 C541 R563 R564 R561 C542 C537 D514 A D A MON CH DN CH UP C517 E MBL 5C LCD CS SB CNT DT E D511 C505 R544 C528 C531 C527 R566 R559 R630 R567 J501 MBL GN...

Страница 40: ...T R P N L J H F D B S Q O M K I G E C A 1 3 5 7 2 4 6 SCHEMATIC DIAGRAM TK 868HG 50 Note Components marked with a dot are parts of patterun 1 ...

Страница 41: ...TK 868HG TK 868HG TK 868HG 51 BLOCK DIAGRAM ...

Страница 42: ...F Dimensions Weight 140 5 33 64 W x 40 1 37 64 H x 173 6 52 64 D mm inch 1050g 2 31 lbs Channel Frequency Spread C 40MHz C3 30MHz RECEIVER Measurements made per EIA standard EIA TIA 204 D Sensitivity 12dB SINAD Wide 0 28µV Narrow 0 35µV Selectivity Wide 80dB Narrow 65dB Intermodulation Wide 75dB Narrow 63dB Spurious Responce 85dB Audio Power Output 4 0W Frequency Stability 2 5ppm TRANSMITTER Measu...

Страница 43: ...55 TK 868HG ...

Страница 44: ... 75018 Paris France KENWOOD ELECTRONICS U K LIMITED KENWOOD House Dwight Road Watford Herts WD1 8EB United Kingdom KENWOOD ELECTRONICS EUROPE B V Amsterdamseweg 37 1422 AC Uithoorn The Netherlands KENWOOD ELECTRONICS ITALIA S p A Via G Sirtori 7 9 20129 Milano Italy KENWOOD IBERICA S A Bolivia 239 08020 Barcelona Spain KENWOOD ELECTRONICS AUSTRALIA PTY LTD A C N 001 499 074 16 Giffnock Avenue Nort...

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