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TK-385

Circuit Diagram

KMC-25 (SPEAKER MICROHONE)

Specifications

Microphone

Impedance .............................. 2k

Ω

Sensitivity ................................ -65dB

4.0dB at 1kHz

Speaker

Impedance .............................. 16

Ω

Input ........................................ 0.5W
Maximum input ........................ 1.5W

Dimensions .................................. 62W x 81 H x 29 D (mm)
Weight (With plug cord) ............... Approx. 0.17kg

External View

Содержание TK-385

Страница 1: ...RD VIEWS DISPLAY UNIT X54 3210 12 33 TX RX UNIT X57 6200 10 39 SCHEMATIC DIAGRAM 45 BLOCK DIAGRAM 49 LEVEL DIAGRAM 51 OPTIONS 52 SPECIFICATIONS BACK COVER CONTENTS Knob ENC K29 5232 03 Knob VOL K29 5231 03 Cabinet assy A02 2055 53 16 keys Badge B43 1106 14 Packing G53 0896 02 16 keys Panel assy A62 0535 04 Knob PTT etc K29 5157 03 Whip antenna KRA 15 T90 0682 05 K OPTION CAUTION When using an exte...

Страница 2: ...DO NOT transmit until all RF connectors are verified secure and any open connectors are properly terminated Unit Model TX RX unit Display unit Frequency range Remarks Charger Battery destination TK 385 K X57 6200 10 X54 3210 12 450 470MHz IF1 44 85MHz OP OP LOC 44 395MHz SYSTEM SET UP Merchandise received Choose the type of transceiver Transceiver programming Delivery Are you using the speaker mic...

Страница 3: ... Call key Press to call the displayed call address 7 PTT Push To Talk switch Press to transmit Also press to initiate a call if PTT to Initiate Call has been programmed 8 Clear key Press to end the current call 9 Transmit indicator Lights red while transmitting 0 A key default setting Status Stack Press to activate its auxiliary function B key default setting Redial Press to activate its auxiliary...

Страница 4: ...when changing the main ming mode program of the flash memory 3 Panel Test Mode Setting method refer to ADJUSTMENT 4 Panel Tuning Mode Setting method refer to ADJUSTMENT 2 How to Enter Each Mode Mode Operation User mode Power ON Panel test mode B Power ON PC mode Received commands from PC Panel tuning mode Panel test mode A Firmware programming mode A Power ON REALIGNMENT 1 Modes User mode Panel te...

Страница 5: ...yed the display returns to PROG 57600 3 If you press the Clear switch while the version is displayed the checksum is displayed If you press the Clear switch again while the checksum is displayed the version is redisplayed Note Normally write in the high speed mode 5 3 KPG 36 description PC programming interface cable Option The KPG 36 is required to interface the TK 385 to the computer It has a ci...

Страница 6: ...d through the bandpass filter L29 31 33 34 36 and band eliminate filter L27 to remove the spurious signal again The resulting signal is applied to the first mixer IC18 where it is mixed with the first local oscillator signal output from the frequency synthesizer to produce the first IF 44 85MHz The 1st mixer uses the GaAs IC 3 2 IF unit The first IF signal is passed through a crystal filter XF1 to...

Страница 7: ...ute switch Q13 is turned OFF for muting the microphone input signal The signal passes through the D A converter IC8 for the maximum deviation adjustment and enters the summing amplifier consisting of IC7 1 2 and is mixed with the low speed data from the CPU IC19 and 9600bps DATA from Optional Board Terminal Fig 3 Audio amplifier circuit 3 3 Audio amplifier circuit The demodulated signal from IC12 ...

Страница 8: ...9 VCXO IC1 FC BAL Q18 SW D9 To drive amp Q16 X1 To mixer SW MB D23 18 CIRCUIT DESCRIPTION The output signal from the summing amplifier passes through the D A converter IC8 again and goes to the VCO modulation input The other output signal from the summing amplifier passes through the D A converter IC8 again for the BAL adjustment and the buffer amplifier IC1 2 2 and goes to the VCXO modulation inp...

Страница 9: ...7 Q3 Vss Vdd RES CLK CL CA Q9 Q4 Q8 KI1 KI2 CK KRST IC301 16 keys CIRCUIT DESCRIPTION 6 Control Circuit The control circuit consists of microprocessor IC19 and its peripheral circuits It controls the TX RX unit and transfers data to and from the display unit IC19 mainly performs the following 1 Switching between transmission and reception by PTT signal input 2 Reading system group frequency and pr...

Страница 10: ...6 IC9 IC5 Q3 RF power amp IC100 B F1 SB ON OFF VOL 5M 5C CIRCUIT DESCRIPTION 7 Signalling Circuit 7 1 Encode Low speed data QT DQT Low speed data is output from pin 1 of the CPU The signal passes through a low pass CR filter and goes to the summing amplifier IC7 1 2 The signal is mixed with the audio signal and goes to the VCO A1 and VCXO X1 modulation input after passing through the D A converter...

Страница 11: ...DTMF decode IC data detect input 5 SELF I Self programming mode input 6 BYTE I 5V 7 CNVSS I GND 8 SFTOE O Shift register output enable 9 LCDCS O LCD driver chip select output 10 RESET I Microcomputer reset input 11 XOUT 9 8304MHz System clock 12 VSS GND 13 XIN 9 8304MHz System clock 14 VCC 5V 15 AUX I AUX switch input 16 AFTRD I FFSK modulation data output timing pulse input 17 AFRTM I FFSK demodu...

Страница 12: ...19 TEST Test pin connect to VDD 20 VDD Digital supply voltage This pin supplies power to the CMOS digital part of the device Pin No Symbol Description Pin description SEMICONDUCTOR DATA Pin Port I O Function No Name 50 59 A9 A18 Flash memory address bus 60 VCC 5V 61 A8 Flash memory address bus 62 VSS GND 63 70 A0 A7 Flash memory address bus 71 MONI I Monitor switch input 72 EN4 I Encoder pulse inp...

Страница 13: ...otection D2 Diode Overload protection D3 Diode Reverse current protection D4 Diode Noise detection D5 Diode RF switch 2nd IF wide narrow D6 Diode Current steering D7 Diode RF switch 2nd IF wide narrow D8 Diode Voltage clamp D9 Diode TX RX switch D10 Diode Overload protection D11 Diode Speed up D12 14 15 Diode ANT switch D16 Diode Overload protection D17 18 Diode Surge absorption D20 22 Diode Varac...

Страница 14: ...24P CN301 E40 5892 05 FLAT CABLE CONNECTOR 14P CN302 E40 5662 05 PIN ASSY SOCKET 2P SP CN303 E40 5887 05 PIN ASSY 4P PTT CN304 E40 5823 05 FLAT CABLE CONNECTOR 10P LCD L300 301 L92 0141 05 FERRITE CHIP L302 303 L92 0138 05 FERRITE CHIP L304 305 L92 0141 05 FERRITE CHIP L306 307 L92 0138 05 FERRITE CHIP L308 309 L92 0141 05 FERRITE CHIP 1 1A A02 2055 53 CABINET ASSY 16KEYS 2 3B A62 0535 04 PANEL AS...

Страница 15: ...Q310 2SK1824 FET TH300 TN10 3S154JT THERMISTOR C1 CK73GB1H471K CHIP C 470PF K C2 3 CK73GB1E103K CHIP C 0 010UF K C4 6 CK73GB1H471K CHIP C 470PF K C7 CK73GB1C104K CHIP C 0 10UF K C9 CK73GB1C104K CHIP C 0 10UF K C10 CK73GB1E103K CHIP C 0 010UF K C11 CK73GB1H471K CHIP C 470PF K C12 CK73GB1E103K CHIP C 0 010UF K C13 CC73GCH1H101J CHIP C 100PF J C14 C92 0628 05 CHIP TAN 10UF 10WV C15 C92 0592 05 CHIP T...

Страница 16: ... C 4 7UF 6 3WV C128 CK73GB1C104K CHIP C 0 10UF K C129 CK73GB1H562J CHIP C 5600PF J C130 CK73GB1H102K CHIP C 1000PF K C131 CK73GB1H562J CHIP C 5600PF J C133 CC73GCH1H050B CHIP C 5 0PF B C134 CK73GB1E153K CHIP C 0 015UF K C135 CK73GB1E103K CHIP C 0 010UF K C136 CK73GB1E393J CHIP C 0 039UF J C137 CK73GB1E103K CHIP C 0 010UF K C138 CC73GCH1H030B CHIP C 3 0PF B C139 CK73GB1H471K CHIP C 470PF K C140 CC7...

Страница 17: ...05 FLAT CABLE CONNECTOR 10P CN2 E40 9517 05 PIN ASSY SOCKET 4P CN3 E40 5890 05 FLAT CABLE CONNECTOR 24P CN4 E23 0342 05 TEST TERMINAL CN5 12 E23 1081 05 TERMINAL F1 F53 0130 05 FUSE 3A CD1 L79 1072 05 TUNING COIL CF1 L72 0962 05 CERAMIC FILTER 455KHZ CF2 L72 0963 05 CERAMIC FILTER 455KHZ L1 L92 0149 05 FERRITE CHIP L2 L92 0138 05 FERRITE CHIP L3 L40 4791 37 SMALL FIXED INDUCTOR 4 7UH L4 L40 1091 3...

Страница 18: ...K73GB1J123J CHIP R 12K J 1 16W R55 RN73GH1J333D CHIP R 33K D 1 16W R56 RK73GB1J472J CHIP R 4 7K J 1 16W R57 RK73GB1J183J CHIP R 18K J 1 16W R58 RK73GB1J184J CHIP R 180K J 1 16W R59 RK73GB1J564J CHIP R 560K J 1 16W R60 RK73GB1J123J CHIP R 12K J 1 16W R61 RK73GB1J103J CHIP R 10K J 1 16W R62 RN73GH1J913D CHIP R 91K D 1 16W R63 RK73GB1J474J CHIP R 470K J 1 16W R64 RK73GB1J153J CHIP R 15K J 1 16W R65 R...

Страница 19: ...261 RK73GB1J103J CHIP R 10K J 1 16W R262 RK73GB1J470J CHIP R 47 J 1 16W R263 264 RK73GB1J104J CHIP R 100K J 1 16W R265 RK73GB1J473J CHIP R 47K J 1 16W R266 R92 1252 05 CHIP R 0 OHM R267 RK73GB1J181J CHIP R 180 J 1 16W R268 RK73GB1J105J CHIP R 1 0M J 1 16W R269 RK73GB1J682J CHIP R 6 8K J 1 16W R270 R92 1252 05 CHIP R 0 OHM R271 RK73GB1J222J CHIP R 2 2K J 1 16W R272 R92 1252 05 CHIP R 0 OHM R273 RK7...

Страница 20: ...02K CHIP C 1000PF K C58 CC73HCH1H0R5B CHIP C 0 5PF B C59 CK73HB1H471K CHIP C 470PF K C60 CC73HCH1H060B CHIP C 6 0PF B C61 62 CK73HB1H102K CHIP C 1000PF K C63 CK73HB1H471K CHIP C 470PF K C64 CC73HCH1H101J CHIP C 100PF J C65 CK73HB1H102K CHIP C 1000PF K C66 CC73HCH1H470J CHIP C 47PF J C67 CC73HCH1H040B CHIP C 4 0PF B C68 CC73HCH1H030B CHIP C 3 0PF B C69 CC73HCH1H060B CHIP C 6 0PF B C70 CC73HCH1H100B...

Страница 21: ... F F 4 18 31 24 12 D D IC100 42 F Sub unit TX RX unit 29 13 36 11 16 57 E 23 33 20 56 54 46 9 Bx2 32 8 37 28 33 11 E C C 701 CHASSIS 47 S NO label ESN S NO label 15 34 2 A A Display unit B 2 F F F 55 21 17 10 F 22 19 MIC Fx2 Fx2 Fx2 30 A NUT N14 0569 04 B M2 6x4 N30 2604 46 C M2 6x10 N30 2610 46 D M2 6x6 N67 2606 46 E N79 2025 46 F M2x5 N83 2005 46 45 44 ...

Страница 22: ... Item carton case H52 1576 02 UPC code label 43 Hook J29 0685 05 3 Cap B09 0363 03 7 Instrution manual B62 1264 00 39 Carton board H13 1072 04 38 Packing fixture H12 3014 02 53 Screw set N99 2004 05 S NO label ESN 702 Warranty card ...

Страница 23: ...Approx 16Ω 3W 14 Regulated Power Supply 5V to 10V approx 5A Useful if ammeter equipped The following parts are required for adjustment 1 Antenna connector adapter The antenna connector of this radio uses an SMA terminal Use an antenna connector adapter SMA f BNC f or SMA f N f for adjustment The adapter is not provided as an option so buy a commercially available one Note When the antenna connecto...

Страница 24: ...tuning Connect the wires to the PCB in the connector case of interface cable For output the wires out of the connector case need to process the connector case 11 GREEN 5M TUBE SCREW 8 YELLOW PF SW 2 RED RX AF OUTPUT 3 BLACK RX AF OUTPUT 10 BROWN GND 6 BROWN MIC GND 5 WHITE MIC INPUT 7 BLUE PTT SW GND ON RED 2 BLK 3 100µ 10V 100µ 10V 16Ω WHT 5 BRN 6 BLU 7 BRN 10 PTT SW To Radio AF Voltmeter Audio g...

Страница 25: ...able When required re adjust them following the adjustment procedure to obtain the frequencies you want in actual operation Frequency MHz K type Channel No RX frequency TX frequency 1 455 05000 455 10000 2 440 05000 440 10000 3 469 95000 469 90000 4 460 00000 460 00000 5 460 20000 460 20000 6 460 40000 460 40000 7 16 Note You must adjust the frequencies in all channels as shown above even though t...

Страница 26: ...ing No 1 1 BAL xxx MAX xxx QT xxx DQT xxx DTMF xxx SENS xxx TONE xxx FFSK xxx FREQ xxx 5 point tuning 5 point tuning 3 point tuning 3 point tuning 3 point tuning 3 point tuning 3 point tuning 3 point tuning 3 point tuning 5 point tuning ex RF Power High 3 point tuning ex Max Deviation HPOW xxx D B D B D B D B D B D B D D D D B D B D B D B D D LPOW xxx LRSI xxx SQL xxx Squelch Level RSSI Low Level ...

Страница 27: ...item FREQ Power meter Panel ANT Panel Encoder Center frequency 100Hz Adjust Adjust Am meter knob Note After replacing the TCXO PTT ON X1 align using KPG 62D 2 Max Power 1 Adj item HPOW Check 4 3W or more Check Adjust 256 2 Adj item L HPOW L2 HPOW C HPOW H2 HPOW H HPOW Adjust 256 PTT ON 3 High Power 1 Adj item HPOW Encoder 4 0W 0 1W Adjust Adjust knob 2 2A or less 2 Adj item L HPOW L2 HPOW C HPOW H...

Страница 28: ...kHz 50Hz Adjust Adjust According to AG 1kHz 80mV the larger Dev meter filter LPF 15kHz HPF OFF 2 Adj item L MAX C MAX H MAX Adjust PTT ON 9 MIC Panel Test Mode Check 1 2 2 0kHz Sensitivity 1 CH Sig 1 1 Check AG 1kHz 8mV LPF 15kHz PTT ON 10 QT Deviation 1 Adj item QT Panel ANT Panel Encoder 0 35kHz 50Hz Adjust Adjust universal knob LPF 3kHz connector HPF OFF 2 Adj item L QT C QT H QT Adjust PTT ON ...

Страница 29: ...just LPF 15kHz Oscilloscope connector HPF OFF AG PTT ON AF VTVM 15 BATT 1 Adj item BATT Power meter Panel ANT Panel Encoder After pressing BATT terminal Detection Adjust DVM BATT knob the PTT switch voltage 6 2V Writing PTT ON terminal confirm that one predeter mined numeric in the range 1 to 256 appears and then press C key That numeric will be stored in memory 16 BATT Panel Test Mode Check No bl...

Страница 30: ...a G setting Input level 30dBm 3 Center frequency Adjustment Adj item C SENS High edge f 4 High edge frequency Turn a knob Adj item H SENS and make peak point 2 Sensitivity Panel Test Mode SSG Panel ANT Check 1 CH Sig 1 1 AF VTVM Universal Check 12dB SINAD or SSG OUT Oscilloscope connector more 117dBm 0 316µV MOD 1kHz 1 5kHz 3 Squelch 1 Adj item SQL Encoder Adjust to point Preset Adjust knob of ope...

Страница 31: ...ts Method Remark 6 RSSI 1 Adj item HRSI SSG Panel ANT After input High Adjust AF VTVM Universal signal from Adjust SSG OUT Oscilloscope connector SSG press 70dBm 70 7µV D key 2 Adj item That L HRSI C HRSI H HRSI numeric will Adjust be stored in memory Adjustment points TX RX unit X57 6200 10 component side view ...

Страница 32: ...hting 5V 6 LR I TX LED control Normally 0V lighting 5V 7 AUX O AUX key output 8 PTT O PTT signal output 9 NC Not use 10 CS I LCD driver chip select input 11 AM I Audio mute signal input Mute L Unmute H 12 5M I 5V CN No Pin No Name I O Function DISPLAY UNIT X54 3210 12 A 2 DISPLAY section TX RX UNIT X57 6200 10 TX RX section 13 GND GND 14 KI2 O KEY output 15 KI1 O KEY output 16 KRS I Key scan IC re...

Страница 33: ...attern 3 Pattern 4 DISPLAY UNIT X54 3210 12 PC BOARD VIEW S301 MON S302 PTT S303 LAMP CN302 C329 C330 D305 D306 C 3 2 1 6 5 4 9 8 7 0 B A S D307 D308 D309 D310 C337 C338 MIC LCD ASSY X54 3210 12 A 2 J72 0517 22 X54 3210 12 B 2 J72 0517 22 C317 C316 SP 1 SP 2 C336 D301 o N f e R s s e r d d A 1 0 3 D C 9 5 0 3 D L 8 6 0 3 D L 6 7 0 3 D N 8 8 0 3 D N 6 9 0 3 D Q 8 0 1 3 D Q 6 ...

Страница 34: ...6 9 1 8 16 9 CN304 CS 1 10 CN303 MON LAMP PTT GND 1 4 R331 C301 AUX ME SSW EMC C314 C322 C323 C324 C325 C326 C327 C328 C331 C332 NC RXD TXD 5M E NC PF PTT ME EMC NC LEDK LEDA VCI SOD SID SCLK CS VCC GND MSW SP SP SSW CP302 CP303 D300 L302 L303 R332 R326 R327 R328 R333 TH300 C321 L304 L305 C313 Q309 R301 MSW C339 Q310 R337 D315 D318 C312 S300 C304 L306 L307 C307 D303 R338 R339 C340 D320 R340 PTT R3...

Страница 35: ...F PTT ME EMC NC LEDK LEDA VCI SOD SID SCLK CS VCC GND MSW SP SP SSW CP302 CP303 D300 L302 L303 R332 R326 R327 R328 R333 TH300 C321 L304 L305 C313 Q309 R301 MSW C339 Q310 R337 D315 D318 C312 S300 C304 L306 L307 C307 D303 R338 R339 C340 D320 R340 PTT R341 D319 R336 D321 C333 C344 L308 L309 C343 C342 C341 IC301 C311 C335 CN301 1 14 SB MIC ME LBL LG LR AUX PTT NC CS AM 5M GND K12 K11 KRS DT TXD RXD CK...

Страница 36: ...02 C55 C36 C43 C46 C118 C124 DI9 RXAO RXAI PTTOUT RSSI TXAO PTTIN TXAI MUTE DI ANI C125 C139 C20 C39 C6 C169 C29 C24 C27 C77 R73 D11 C127 C141 C21 R247 R245 R249 IC3 1 3 5 4 IC4 IC11 IC7 1 4 8 5 IC1 IC8 L1 B L30 F1 D2 C211 D10 R406 IC5 O G I CD1 CN2 1 4 CN3 C242 C238 C243 C233 MON LAMP PTT GND R69 C232 1 AF AFE NC PF CK RXD TXD DT KRS KI1 KI2 GND 5M AM CS NC PTT AUX LR LG LBL ME MIC SB 24 C236 C23...

Страница 37: ...L457 C265 L14 L458 R122 C192 C189 C136 C149 C138 C33 C40 C37 L5 L25 L13 C15 C108 R257 R256 R255 R251 R252 R253 IC16 1 7 14 8 CP2 TH1 IC13 1 11 33 23 12 22 44 34 D1 D9 IC6 O I G C32 IC23 1 4 8 5 Q20 E C B IC9 R274 1 3 6 4 IC12 1 8 16 9 C5 R30 R241 C143 R97 C91 C95 C85 C122 C121 C140 C162 C258 C167 C173 IC14 1 10 20 11 R168 R131 X3 R49 C38 C31 C26 C30 R31 C18 D3 R15 C88 C145 L2 R53 C60 R65 R44 IC25 ...

Страница 38: ...1 4 8 5 R61 C54 R402 C402 C401 C403 R403 R401 C142 C52 IC10 1 3 5 4 R273 R269 R267 C252 C250 C165 C219 C222 C216 C217 C214 C207 L36 L34 L33 L31 L29 C203 C210 C206 C201 L27 XF1 C96 C182 C109 C177 D24 C191 R244 L20 R160 C79 L6 L11 C56 CP1 D6 C48 L10 R284 L9 C133 C81 R101 R119 Q3 R283 C146 Q1 Q2 R285 C194 C123 X2 C112 Q25 C126 Q17 C41 C23 R136 C180 C248 C218 L35 R254 R258 ANT C188 R262 C221 C144 R114...

Страница 39: ...A B C D E F G I H J K L M O N P Q S R 1 2 3 4 5 6 7 TK 385 SCHEMATIC DIAGRAM Note Ref No Parts of pattern 1 SVC MON SCN LO ...

Страница 40: ...rging current 1100mAh Dimensions mm 58 W x 110 8 H x 17 2 D Projections included Charger and charging time KSC 19 Normal Charger Approx 8 hours KSC 20 Rapid Charger Approx 1 hour Weight 180g Voltage 7 2V 1 2V x 6 Charging current 1500mAh Dimensions mm 58 0 W x 110 8 H x 20 0 D Projections included Charger and charging time KSC 19 Normal Charger Approx 8 hours KSC 20 Rapid Charger Approx 1 3 hour W...

Страница 41: ...MC 25 SPEAKER MICROHONE Specifications Microphone Impedance 2kΩ Sensitivity 65dB 4 0dB at 1kHz Speaker Impedance 16Ω Input 0 5W Maximum input 1 5W Dimensions 62W x 81 H x 29 D mm Weight With plug cord Approx 0 17kg External View ...

Страница 42: ... 0 00025 30 C to 60 C Channel Spread 20MHz K SPECIFICATIONS KENWOOD CORPORATION 14 6 Dogenzaka 1 chome Shibuya ku Tokyo 150 8501 Japan KENWOOD SERVICE CORPORATION P O BOX 22745 2201 East Dominguez Street Long Beach CA 90801 5745 U S A KENWOOD ELECTRONICS CANADA INC 6070 Kestrel Road Mississauga Ontario Canada L5T 1S8 KENWOOD ELECTRONICS DEUTSCHLAND GMBH Rembrücker Str 15 63150 Heusenstamm Germany ...

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