Kenwood TK-863G Service Manual Download Page 1

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UHF FM TRANSCEIVER

TK-863G

SERVICE MANUAL

GENERAL .................................................. 2

SYSTEM SET-UP ...................................... 2

OPERATING FEATURES .......................... 3

REALIGNMENT ......................................... 9

INSTALLATION ....................................... 12

CIRCUIT DESCRIPTION .......................... 18

SEMICONDUCTOR DATA ...................... 23

DESCRIPTION OF COMPONENTS ........ 24

PARTS LIST ............................................. 27

EXPLODED VIEW .................................... 34

PACKING ................................................. 35

ADJUSTMENT ........................................ 36

LEVEL DIAGRAM .................................... 45

PC BOARD VIEWS

DISPLAY UNIT (X54-3270-10) ............ 47

PLL/VCO (X58-4670-17) ...................... 48

TX-RX UNIT (X57-6490-10) (A/2) ....... 49

TX-RX UNIT (X57-6490-10) (B/2) ....... 55

SCHEMATIC DIAGRAM .......................... 59

BLOCK DIAGRAM ................................... 63

TERMINAL FUNCTION ........................... 66

SPECIFICATIONS .................................... 67

CONTENTS

Microphone
(T91-0621-05)

Cabinet (Upper)
(A01-2165-23)

Panel assy
(A62-0642-03)

Key top
(K29-9140-02)

Summary of Contents for TK-863G

Page 1: ...3 DESCRIPTION OF COMPONENTS 24 PARTS LIST 27 EXPLODED VIEW 34 PACKING 35 ADJUSTMENT 36 LEVEL DIAGRAM 45 PC BOARD VIEWS DISPLAY UNIT X54 3270 10 47 PLL VCO X58 4670 17 48 TX RX UNIT X57 6490 10 A 2 49 TX RX UNIT X57 6490 10 B 2 55 SCHEMATIC DIAGRAM 59 BLOCK DIAGRAM 63 TERMINAL FUNCTION 66 SPECIFICATIONS 67 CONTENTS Microphone T91 0621 05 Cabinet Upper A01 2165 23 Panel assy A62 0642 03 Key top K29 ...

Page 2: ...rviced by a qualified techni cian only SERVICE This radio is designed for easy servicing Refer to the schematic diagrams printed circuit board views and align ment procedures contained in this manual Note When you modify your radio as described in system set up take the following precaution The rating of pin 7 SB of the accessory connector cable KCT 19 on the rear of the radio is 13 6V 1A Insert a...

Page 3: ...ransmit press and hold this switch then speak into the microphone Release to receive 1 2 3 4 5 7 6 8 1 2 Microphone 1 3 Display Indicator Description Appears when the selected group is programmed as priority Appears when the selected group is programmed as Talk Around Appears when the key programmed as Monitor is pressed If programmed by your dealer appears when you receive an ID Appears when you ...

Page 4: ...The FPU KPG 76D enables programmable keys to se lect the following functions None AUX DTMF ID BOT DTMF ID EOT Display Character Emergency Group Down Group Up Home Group Horn Alert Key Lock Memory RCL STO Memory RCL Memory STO Monitor Momentary Monitor Toggle Public Address Redial Scan Scan Del Add Scan Tempo rary Delete Squelch Off Momentary Squelch Off Toggle System Down System Up Telephone Disco...

Page 5: ...will return to the normal group or SCAN display and the PA function will turn off OPERATING FEATURES Redial If you press this key when the system group is displayed the last transmitted DTMF code will appear on the display Pressing the PTT switch at this time will transmit the dis played DTMF code Scan Press this key starts scanning Pressing this key stops scanning Scan del add Used to select whet...

Page 6: ...revert If a system group call is received during scanning and the PTT button is pressed for transmission and response within the drop out delay time the system or group is assigned as the new revert system or group Selected revert If the system group was changed while scanning the newly selected system group Selected Talkback revert If the system group was changed while scanning the newly selected...

Page 7: ...y setting an expiration time from the FPU pressing the Horn Alert key or setting off hook Data TX with QT DQT Whether programmed QT DQT is modulated or not with a data transmission A radio unit can receive a data mes sage regardless of QT DQT if the receiving unit is not scan ning Call Indicator The call indicator can be programmed for each group In trunked system it can be set to respond to a sel...

Page 8: ...hen the correct password is entered the tone sounds The optional feature s control tone can be set to yes or no PTT Release Tone When you release the PTT switch the PTT release tone sounds OPERATING FEATURES Busy Tone Sounds in LTR mode when you cannot use a repeater system busy or TX inhibit Sounds in conventional mode when busy channel lockout is functioning You can select yes or no for the opti...

Page 9: ...NT 1 Modes User mode Panel test mode PC mode Firmware program ming mode Panel tuning mode Data program ming mode PC test mode PC tuning mode Radio information Clone mode Mode Function User mode For normal use Panel test mode Used by the dealer to check the funda ment characteristics Panel tuning mode Used by the dealer to tune the radio PC mode Used for communication between the radio and PC IBM c...

Page 10: ...3G starts to receive data the BUSY TX LED lights green 7 If writing ends successfully the LED on the TK 863G goes off and the checksum is displayed 8 If you want to continue programming other TK 863G re peat steps 4 to 7 Notes This mode cannot be entered if the Firmware program ming mode is set to Disable in the Programming soft ware KPG 76D When programming the firmware it is recommend to copy th...

Page 11: ... 576 Note Normally write in the high speed mode 7 Clone Mode Programming data can be transferred from one radio to another by connecting them via their modular microphone jacks The operation is as follows the transmit radio is the master and the receive radio is the slave 1 Turn the master TK 863G power ON with the key held down If the password is set to the TK 863G the TK 863G displays CLN LOCK I...

Page 12: ...g 9 both of which are supplied with the KCT 19 1 3 13 15 12 Crimp terminal E23 0613 05 B E C B D CN8 CN5 D E B C A Contact Square plug E09 1571 05 3 4 6 7 8 9 5 CN4 CN3 1 2 Fig 1 Fig 2 INSTALLATION 1 2 KCT 19 Accessory Port Function No No Name Function Note A B C D E 1 D 2 DTC Data channel control 1 External hook input 2 D 5 ME External microphone ground 3 D 3 IGN Ignition sense input 4 D 1 DEO Re...

Page 13: ...1 3 SPI I Audio signal input from KAP 1 CN8 1 SP O Audio signal output to internal external speaker 2 E Ground 1 MDT mode 2 Emergency mode 3 Foot switch setting None 3 Ignition Sense Cable KCT 18 Option The KCT 18 is an optional cable for enabling the ignition function The ignition function lets you turn the power to the transceiver on and off with the car ignition key If you use the Horn Alert fu...

Page 14: ...t be placed at the front left side 4 Attach the cushion on the top of the KAP 1 switch unit 4 2 Modifying the Transceiver Horn alert The signal from pin 4 of IC9 on the TX RX unit A 2 turns Q5 and Q1 on and off and drives KAP 1 HA relay K2 to drive the horn with a maximum of 2A The default output is HR1 The relay open output can be obtained between HR1 and HR2 by removing R1 in the KAP 1 R1 Output...

Page 15: ...1 12 PA HR2 Fig 8 INSTALLATION 5 Emergency Mode 5 1 Transceiver Modification Procedure Install the foot switch Install the foot switch through the KCT 19 and KCT 18 When the switch is treaded on the radio enters the emer gency mode Change the power switch circuit TX RX unit B 2 Control section R705 Attach R92 1252 05 0Ω TX RX unit A 2 RF section R142 Remove RK73GB1J473J 47kΩ Once the transceiver i...

Page 16: ...ernal device using this diode the au dio signal of the receiver can be controlled 7 Fitting the Control Panel Upside Down The TK 863G control panel can be fitted upside down so the transceiver can be mounted with its internal speaker in the upper half of the case facing down in your car 1 Remove the control panel and the TX RX unit B 2 con trol section Fig 12 Fig 12 Fig 11 TX RX UNIT X57 6490 10 B...

Page 17: ... the rear of the transceiver KES 3 Fig 15 6 Rotate the control panel 180 degrees and mount it on the transceiver Refit the two halves of the case to complete installation Fig 14 Fig 14 8 2 KES 4 Option The KES 4 is an external speaker used with the acces sory connection cable Connection procedure 1 Install the KCT 19 in the transceiver See the KCT 19 section 2 Insert the crimp terminal into the sq...

Page 18: ...ed by Q13 and the enters IC5 FM processing IC The signal is heterodyned again with a second local oscillator signal within IC5 to create a 450kHz second IF signal The second IF signal is then fed through a 450kHz ceramic filter Narrow CF1 Wide CF2 to further eliminate unwanted signals before it si amplified and FM detected in IC5 Item Rating Nominal center frequency 49 95MHz Pass bandwidth 5 0kHz ...

Page 19: ...DESCRIPTION Fig 3 Wide Narrow changeover circuit CF1 Narrow CF2 Wide IFI MXO IC5 IF system AFO DET OUT C70 C72 C53 R19 R23 R46 R32 R30 R39 R38 Q35 8RC Q37 R59 W N IC510 4pin Wide L Narrow H C51 D8 D10 Q3 5C Q4 Wide H Narrow L AUDIO PROCE SUM AMP D A CONV IC508 IC507 IC6 AF PA IC13 SP DTMF AFO DEO TX RX UNIT B 2 Q10 NOISE AMP D11 IC4 IC5 IC502 AF RSSI BPF DET CPU IF SYSTEM TX RX UNIT B 2 ASQ RSSI P...

Page 20: ...9 SW Q28 SW LD TX RX UNIT B 2 8RC 8C 8R 8T 8TC PLL lock LD H Fig 7 Unlock circuit Q22 RF AMP 2SC4093 Q25 RF AMP 2SC3357 Q27 ANT RF AMP 2SC2954 IC400 POWER AMP S AU27AM K3 Q14 BUFFER 2SC5110 O IC508 IC6 Q103 VCO IC507 1 2 MIC AF AMP NJM2904V MIC KEY INPUT AF AMP IDC LPF TC35453F IC502 CPU 30622M 4A 410GP D A CONVERTER M62363FP IC1 SUM AMP TA75S01F X1 VCXO 16 8MHz VCO 2SK508NV K52 IC3 PLL MB15A02 Q1...

Page 21: ...he shift register IC510 and display LEDs When the LED1 line goes high when the transceiver is busy Q508 turns on and the green LED on D521 lights In transmit mode the LED0 line goes high Q504 turns on and the red light lights Backlighting LEDs for the key operation unit D509 D514 and LCD are provided When the MBL line goes high Q506 turns on then Q505 turns on and the key illumination LED lights A...

Page 22: ...output Vin VDAref 256 x n VDAref Vin Analog input VDAref D A reference voltage n Serial data value from the microprocessor CPU Power Supply Circuit When the POWER switch on the TX RX unit B 2 is pressed the PSW signal goes low This signal is inverted by Q26 and sent to a flip flop IC IC14 This IC outputs a con trol signal when the PSW goes low When the power turns on pin 1 of IC14 outputs a low si...

Page 23: ...ut 1 36 KOUT0 O Key scan output 0 37 RDY I Pull up 38 NC NC Microprocessor 30622M4A 410GP TX RX Unit IC502 Pin No Name I O Function 39 HOLD I Not used 40 41 NC NC 42 RD O READ signal 43 NC NC 44 WR O WRITE signal 45 LCDCS O LCD chip enable output 46 CNTDAT O Common data output LCD SHIFT REG VOL Audio processor 47 CNTCLK O Common clock output EEPROM LCD SHIFT REG VOL Audio processor 48 CSO Chip sel...

Page 24: ...output 12 Q7 AUX5 13 Q6 PA LI PA LIGHT control PA LIGHT on H 14 Q5 RX TX RX VCO switch RX L DESCRIPTION OF COMPONENTS Display Unit X54 3270 10 Ref No Use Function Operation Condition D801 Reverse current prevention D802 805 Light emission D808 Current stability IC801 LCD driver Q801 DC switch LED TX RX Unit X57 6490 10 Ref No Use Function Operation Condition D1 Surge absorption D2 Voltage referenc...

Page 25: ...5 AF demodulation Quadrature detector 2nd mixer OSC IF amplifiler RSSI IC6 D A converter IC7 DC amplifier PC TV control Ref No Use Function Operation Condition IC9 Shift Store register HNC 8RC 8TC SPMUTE RX PA LI AUX5 AUX6 IC10 5V AVR 5C TX RX IC11 9V AVR 9C IC12 8V AVR 8C IC13 AF amplifier IC14 Power supply logic circuit control IC15 DC amplifier APC control IC400 Power module IC501 Flash ROM IC5...

Page 26: ...ch Active on narrow Q36 DC switch Power protection Q37 AF mute switch Inactive on mute Q38 DC switch 5S Q501 Clock switch shift Clock shift is active while BSHIFT is H Q502 AF mute Active while MUTE is H Ref No Use Function Operation Condition Q503 Inverter Active while PA2 is H public address is active Q504 LED switch Red Active while LED0 is H TX is active Q505 506 Key backlight switch Active wh...

Page 27: ...AZIER HEAD TAPTITE SCREW 42 2D N99 0395 05 SCREW SET ACCESSORY 44 1B T07 0368 05 SPEAKER 45 1D T91 0621 05 MICROPHONE ACCESSORY D802 805 B30 2220 05 LED 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 TK 863G L801 L92 0138 05 FERRITE CHIP R801 803 RK73GB1J103J CHIP R 10K ...

Page 28: ...105Z CHIP C 1 0UF Z C130 CK73GB1H103K CHIP C 0 010UF K C131 CK73GB1H102K CHIP C 1000PF K C133 CK73GB1H471K CHIP C 470PF K C134 CK73FB1E104K CHIP C 0 10UF K C135 CK73GB1H471K CHIP C 470PF K 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 ...

Page 29: ...K CHIP C 2700PF K C551 CC73GCH1H151J CHIP C 150PF J C553 CK73GB1H102K CHIP C 1000PF K C554 CK73GB1H122K CHIP C 1200PF K C555 C92 0560 05 CHIP TAN 10UF 6 3WV C556 CK73GB1C333K CHIP C 0 033UF K C557 CK73GB1C104K CHIP C 0 10UF K C558 CC73GCH1H101J CHIP C 100PF J C559 CK73GB1H102K CHIP C 1000PF K C560 563 CK73GB1C104K CHIP C 0 10UF K C564 C92 0507 05 CHIP TAN 4 7UF 6 3WV C565 566 CK73GB1H472K CHIP C 4...

Page 30: ...GB1J102J CHIP R 1 0K J 1 16W R12 RK73GB1J104J CHIP R 100K J 1 16W R13 RK73GB1J472J CHIP R 4 7K J 1 16W R14 RK73GB1J474J CHIP R 470K J 1 16W R15 RK73GB1J104J CHIP R 100K J 1 16W R16 RK73GB1J220J CHIP R 22 J 1 16W R17 RK73GB1J154J CHIP R 150K J 1 16W R18 RK73GB1J103J CHIP R 10K J 1 16W R19 RK73GB1J392J CHIP R 3 9K J 1 16W R20 RK73GB1J124J CHIP R 120K J 1 16W R21 RK73GB1J102J CHIP R 1 0K J 1 16W R22 ...

Page 31: ...6W R155 RK73GB1J104J CHIP R 100K J 1 16W R156 RK73FB2A5R6J CHIP R 5 6 J 1 10W R158 R92 0670 05 CHIP R 0 OHM R159 RK73GB1J473J CHIP R 47K J 1 16W R160 RK73FB2A102J CHIP R 1 0K J 1 10W R161 162 RK73GB1J104J CHIP R 100K J 1 16W R163 R92 0670 05 CHIP R 0 OHM R164 R92 1215 05 CHIP R 470 J 1 2W R166 RK73GB1J151J CHIP R 150 J 1 16W R169 RK73GB1J103J CHIP R 10K J 1 16W R170 RK73FB2A222J CHIP R 2 2K J 1 10...

Page 32: ...IP R 10K J 1 16W R593 RK73GB1J181J CHIP R 180 J 1 16W R594 RK73GB1J392J CHIP R 3 9K J 1 16W R595 RK73GB1J181J CHIP R 180 J 1 16W R598 RK73GB1J473J CHIP R 47K J 1 16W R599 RK73GB1J102J CHIP R 1 0K J 1 16W R600 R92 1252 05 CHIP R 0 OHM J 1 16W R602 RK73GB1J473J CHIP R 47K J 1 16W R603 RK73GB1J101J CHIP R 100 J 1 16W R604 RK73GB1J472J CHIP R 4 7K J 1 16W R605 RK73GB1J332J CHIP R 3 3K J 1 16W R606 RK7...

Page 33: ...STOR TH1 157 153 65001 THERMISTOR C102 CK73GB1H471K CHIP C 470PF K C104 CC73GCH1H120J CHIP C 12PF J C105 CC73GCH1H070D CHIP C 7 0PF D C107 CC73GCH1H060D CHIP C 6 0PF D C108 CC73GCH1HR75B CHIP C 0 75PF B C110 CC73GCH1H030B CHIP C 3 0PF B C111 CC73GCH1H050B CHIP C 5 0PF B C112 CC73GCH1H1R5B CHIP C 1 5PF B C113 CC73GCH1H010B CHIP C 1 0PF B C114 CC73GCH1H040B CHIP C 4 0PF B C115 CC73GCH1H060D CHIP C 6...

Page 34: ... 3 24 2 40 37 7 11 6 17 18 22 22 23x2 27 24 9 25 14 12 20x2 44 26 21 IC400 16 701 Cx2 702 703 A A C Ax2 C 703 TX RX unit X57 649 B 2 TX RX unit X57 649 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 ...

Page 35: ...13 DC cord E30 3339 05 19 Fuse 10A F51 0016 05 x 2 30 Polystyrene foamed fixture F H10 6618 12 31 Polystyrene foamed fixture R H10 6619 12 32 Inner packing case H12 1391 03 33 Protection bag H25 0720 04 33 Protection bag H25 0720 04 34 Item carton case H52 1519 02 36 MIC holder J19 1584 05 38 Bracket J29 0627 23 42 Screw set N99 0395 05 45 Microphone T91 0621 05 ...

Page 36: ...00 5 470 200 470 200 6 470 400 470 400 7 16 Signalling No Decode Encode 1 None None 2 None 100Hz square wave 3 LTR data LTR data 4 QT 67 0Hz QT 67 0Hz 5 QT 151 4Hz QT 151 4Hz 6 QT 210 7Hz QT 210 7Hz 7 QT 250 3Hz QT 250 3Hz 8 DQT D023N DQT D023N 9 DQT D754I DQT D754I 10 None DTMF tone 9 Preparations for tuning the transceiver Before attempting to tune the transceiver connect the unit to a suitable ...

Page 37: ...ow 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 DTMF fine deviation Narrow WIDE NARROW D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A D A _BAL_XXX DQT balance Wide _ BAL_XXX DQT ...

Page 38: ...itivity 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 Regulated Power Supply ...

Page 39: ...elch etc for the EEPROM is stored in memory When parts are changed readjust the transceiver Repair Jig Chassis Use jig Part No A10 4010 02 for repairing the TK 863G The jig facilitates the voltage check when the voltage on the component side TX RX unit A 2 is checked during repairs Extension cable Part No E30 3404 05 L13 L22 L5 TX RX UNIT A 2 PLL VCO TC106 CV TC109 RSSI Power LED Volume up down Di...

Page 40: ...oltage Adjust panel maximum SSG freq 450 050MHz 3 S E N S _ Adjust SSG freq 470 050MHz 3 Squelch 3 1 Set test mode SSG Rear ANT Front Adjust to the Wide Select SQL3 in tuning mode panel panel squelch threshold S QL3 AF VTVM ACC point Adjust Distortion EXT SP SSG freq 450 050MHz meter SSG output 124dBm 0 14µV Oscilloscope SSG MOD 3kHz Wide AG 1 5kHz Narrow 2 S Q L 3 Adjust SSG freq 470 050MHz 3 S Q...

Page 41: ... must be opened check CH CH1 Sig1 CH3 Sig1 Wide Narrow SSG output 116dBm 0 35µV Squelch level 5 2 SSG output OFF Squelch must be closed Wide Narrow 6 QT check 1 Set test mode Check Squelch must be opened CH CH1 Sig5 SSG MOD INT 3kHz Wide 1 5kHz Narrow EXT 151 4Hz SSG system MOD DEV 3 75kHz Wide 1 85kHz Narow SSG output 10dB SINAD level 2 CH CH1 Sig4 CH1 Sig6 CH1 Sig7 Measurement Test equipment Uni...

Page 42: ...er mete 5 0W 0 5W 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 5 L P O W _ PTT ON Adjust 5 Power check 1 Set test mode Power meter Rear ANT Check 25W 1W 8A or less CH CH1 Sig1 panel CH2 Sig1 Ammeter DC IN CH3 Sig1 PTT ON 6 Modulation 1 Set test mode Power meter Rear ANT Front Make the de Wide Narrow balanced MIC input OFF Dev...

Page 43: ...AG to the MIC 1 75kHz 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 test mode Check 3kHz 0 2kHz Wide seisitivity CH CH1 Sig1 1 5kHz 0 05kHz Narrow check AG 1kHz 5mV PTT ON Adjust 9 QT deviation 1...

Page 44: ... VTVM Front MIC PTT ON AG panel Adjust 2 F D Q T PTT ON Adjust 3 F D Q T _ PTT ON Adjust Narrow 4 FDQT 0 375kHz PTT ON Adjust 11 LTR 1 Set test mode 1 0kHz 50Hz Wide Narrow deviation Select FLTR in tuning mode Wide F LTR Deviation meter filter LPF 3kHz HPF OFF PTT ON Adjust 2 F L T R PTT ON Adjust 3 F L T R _ PTT ON Adjust Narrow 4 FLTR 0 75kHz PTT ON Adjust 12 DTMF 1 Set test mode 3 0kHz 0 2kHz d...

Page 45: ...y the front panel AF VOL control To make measurements in the RF section connect the RF wattmeter 50Ω To make measurements in the AF section connect the AC level meter AG is set so that MIC input becomes 3kHz 1 5kHz Wide Narrow DEV at 1kHz MOD W 120 0dBm N 119 5dBm W 122 0dBm N 122 0dBm W 111 0dBm N 110 5dBm W 110mVrms N 54mVrms W 110mVrms N 54mVrms 2dBm 3dBm 14dBm 19dBm 24dBm 25W W 107 5dBm N 106 ...

Page 46: ...07 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 PLL VCO X58 4670 17 Component side view J72 0676 02 PLL VCO X58 4670 17 Foil side view J72 0676 02 DISPLAY UNIT X54 3270 10 J72 0683 02 Component side view DISPLAY UNIT X54 3270 10 J72 0683 02 Foil side view Compo...

Page 47: ...R71 C93 C99 CN8 2 1 E 10 SP C141 1 C134 D25 C203 C207 C210 C212 C138 C86 C64 R87 C96 C16 C17 C18 C19 C21 C15 C14 C13 15 1 R9 R59 R91 R37 R34 R86 D9 C40 R53 R52 R51 R8 R7 R66 R49 R40 R57 L39 L38 R1 R2 R202 C45 C70 C165 C79 C80 R67 R89 R77 R90 R221 R70 D42 C300 R85 R76 C83 IC13 C166 C172 C206 C208 C209 C211 C215 C226 L26 C114 C35 C73 C68 Q8 GND MIO MII AFI AFO ALT AUX2 AUX4 AUX1 AUX3 NC AUX6 AUX5 5S...

Page 48: ...3 R166 C41 R46 D27 Q5 R163 R18 R58 R30 F1 R116 Q18 R159 R25 C33 R36 C36 R31 C31 C189 L8 C126 Q15 R125 R145 Q26 R152 R122 R135 R32 R38 C24 R17 1 34 R153 D15 R80 C87 R47 R60 C58 R174 R120 R154 C154 C164 R181 C216 C62 C56 L4 L2 C100 C102 C105 C108 C110 C115 C120 C139 C140 C182 C142 C145 C168 C152 C167 C177 C178 C293 C187 C190 C197 C201 C221 D16 L11 L12 L15 R158 L24 Q14 Q22 1 2 3 4 R100 R101 R108 R111...

Page 49: ...8 R129 R130 R132 R147 R149 R151 R155 R234 R160 R162 R84 R94 R97 R98 C227 C230 C231 SP C191 IC400 5 4 3 2 1 C22 C51 C53 D28 D31 IC2 X1 R186 D39 R189 C219 R199 L20 C25 R35 R185 Q36 R198 R210 UL CK DT ST RX ST HT E 8CL MD CV IC9 1 8 9 16 C92 C94 C275 R95 Q23 B E C C222 C179 Q1 D24 C4 R29 R148 R150 D3 D4 D5 IC1 1 3 4 5 Q6 D14 Q17 C106 C88 R43 C37 D1 R22 C121 C119 C157 R178 R136 C186 C113 IC10 O G I R1...

Page 50: ...AUX1 AUX3 PSW SB SB AFO MO DTMFIO CTO W N CNTCK CNTDT DAST SPTST TO ASQ RSSI PLCK PLDT PLST UL SFTDT J72 0810 02 B 2 R538 R592 R519 C508 R514 R572 D521 R602 C603 C609 C605 C601 C599 C613 C503 IC503 G I O C507 R536 C526 C626 C628 R616 R539 C580 R531 C523 C538 R534 R518 R510 R540 R541 C630 C631 D529 R622 R725 R724 IC501 1 16 17 32 IC510 1 CNT CK 8 9 16 C501 R505 IC507 1 4 5 8 C543 R560 R562 C541 R56...

Page 51: ... C603 C609 C605 C601 C599 C613 C503 IC503 G I O C507 R536 C526 C626 C628 R616 R539 C580 R531 C523 C538 R534 R518 R510 R540 R541 C630 C631 D529 R622 R725 R724 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 SYS DN SYS UP C517 E MBL 5C LCD CS SB CNT DT E D511 C505 C527 R566 R559 R630 R567 J501 MBL GND ME HOOK RXD CM MIC PTT TXD PSB D51...

Page 52: ...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 863G Note Components marked with a dot are parts of patterun 1 62 ...

Page 53: ...TK 863G TK 863G BLOCK DIAGRAM 63 TK 863G ...

Page 54: ... signal 29 OE Output enable for IC9 Shift register 30 ALT Alert tone signal 31 DEO Receiver detector output 32 MII Transmit audio signal input 33 MIO Transmit audio signal output 34 GND Grond CN3 TX RX Unit Pin No Name Function 1 HOR Horn alert call output 2 E Ground 3 SB Switched B DC 13 6V output Maximum 1A CN4 TX RX Unit Pin No Name Function 1 DEO Receiver detector output Level 0 35Vrms Standar...

Page 55: ...sions Weight 140 5 33 64 W x 40 1 37 64 H x 145 5 45 64 D mm inch 940g 2 07 lbs Channel Frequency Spread 40MHz 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 Measurements made per EI...

Page 56: ...ris 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 Centrecourt E...

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Kenwood TK-863G, Service Manual, Page: 1 / 56

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