Kenwood TKR-850 Page 90 Service Manual Download

Page: 90 / 101

TKR-850

SCHEMATIC DIAGRAM

X57-696 (B/2) 1/5

LDT

BUP

PSW

R606

47k

PSW

VLI

AMPSW

SOE

ENR

R616

47k

DAT

PTT

SOE

R605

100k

R603

C605

0.1u

STRB

ATA

CLK

VSS

BATT

GND

VDD

OUT

C635

22p

CLK

C602

0.1u

R634

47k

C629

100p

C634

22p

R633

47k

CLK

R613

C639

0.01u

R612

RSSI

CP600

1k*2

C600

0.1u

ENT

STB

L600

C616

0.01u

C614

0.01u

FWD

C623

0.1u

ASQ

CP601 1k*2

LD2

CLK

R615

C613

0.01u

STB

LDR

R601

R610

R608

R609

R607

R600

47k

SOE

TMP

DAT

R611

GND

SDA

SCL

VCC

R604

33k

SFT

TX-RX UNIT (X57-696X-XX) (B/2)

GND

SDA

SCL

DISPLA

Y UNIT

(X54-3330-21)(A/2)-CN502

(X57-696X-XX)(A/2)-CN14

TX-RX UNIT

Q’S

VDD

TXO

TXI

RXO

BC1

BC2

BC3

BC4

PTI

CLRC

RXI

PTO

GND

SOE

TMP

PSW

BUP

LD2

FWD

STB

LDT

LDR

EPT

EPR

RSSI

ASQ

GND

DET

CN602

E40-6009-05

CN600

E40-6102-05

CN601

E40-5701-05

GND

DAT

PSW

STB1

CLK

SOE

PTT/TXD1

HK/RXD1

VLI

MIG

MIC

VOLTAGE
DETECTOR

IC601

RH5VL42C

2SK1824

Q600

DC SW

R602

4.7k

X600

14.754M

IC600

AT24C08A10SI18

EEP ROM

Q601

DTC114EUA

DC SW

2SK1824

Q602

DC SW

IC602

BU4094BCFV

SHIFT
REGISTER

CNVSS

RESET

XOUT

XIN

TXI

DATA

RXO

TXO

RXI

GND

MIC

DEI

D600

DA204U

SURGE
PROTECTOR

RXD1

KEY2

TXD1

STB1

KEY3

KEY1

KEY4

KEY5

5.02V

Note : The components marked with
a dot (

•

) are parts of layer 1.

Summary of Contents for TKR-850

Page 1: ...MODIFICATION 8 DISASSEMBLY FOR REPAIR 10 CIRCUIT DESCRIPTION 11 SEMICONDUCTOR DATA 18 COMPONENTS DESCRIPTION 20 PARTS LIST 22 EXPLODED VIEW 34 PACKING 36 ADJUSTMENT 37 CONTENTS TERMINAL FUNCTION 46 INTERCONNECTION DIAGRAM 50 PC BOARD FINAL UNIT X45 374X XX 52 DISPLAY UNIT X54 3330 21 56 TX RX UNIT X57 696X XX A 2 60 TX RX UNIT X57 696X XX B 2 64 RX VCO UNIT X58 480X XX 68 TX VCO UNIT X58 481X XX 6...

Page 2: ...nded for personal safety DO NOT transmit until all RF connectors are secure and any open connectors are properly terminated SHUT OFF this equipment when near electrical blasting caps or while in an explosive atmosphere This equipment should be serviced by only qualified tech nicians SERVICE This radio is designed for easy servicing Refer to the schematic diagrams printed circuit board views and al...

Page 3: ... displayed while in PC mode PG is displayed while in firmware programming mode 2 decimal points displayed 115 200bps 1 decimal point displayed 57 600bps No decimal 38 400bps E1 is displayed when FPU data is not written E2 is displayed when the channel data is not written E3 is displayed when PLL is unlocked Receiver PLL unlocked BUSY LED blinks Transmitter PLL unlocked TX LED blinks E4 is displaye...

Page 4: ... pro Use when changing the firmware program gramming mode of the flash memory 2 How to Enter Each Mode Mode Operation User mode Power on PC mode Received commands from PC Firmware Pro PF1 key Power on one second gramming mode 3 PC Mode 3 1 Preface The TKR 850 repeater is programmed by using a personal computer programming interface and KPG 91D ver 2 0 or later software 3 2 Connection Procedure 1 C...

Page 5: ...o external power supply connectors Main DC and Backup If an external DC power supply is connected to the main DC connector and a backup battery is connected to the Backup connector at the same time the DC power supply switches to the battery automatically if power failure occurs Therefore the operation of the repeater can be continued If the battery is used but both the battery and power sup ply n...

Page 6: ...ng tool Removing the jumper lead Fig 4 2 1 Insert the extracting tool J5800 002 into the connec tor while pushing the jumper lead in the direction of a 2 Push the extracting tool into collapse the barbs of the crimp terminal 3 Pull out the lead while continuing to push the extracting tool in the direction b 3 Reinsert the terminal with the black and white stripe lead into hole number 12 and the te...

Page 7: ...13 1801 04 and or G13 1802 04 to the top plate J21 8402 04 in order to adjust the space between the cabinet and the top plate Then insert the 3 tabs of the plate into the slots in the side of the cabinet High middle or low positions are available To afix the plate inset and tighten 2 screws on the other side of the plate You can also flip the top plate upside down to adjust a height of the cabinet...

Page 8: ...92 04 Spacers J02 0475 05 7 Installing Name Plates Punch out the name plate card Then insert the plates onto the reltative function keys You can reconfigure the name plates at any time Side view of the key Squeeze and insert the plates Name plates for the function keys Name plates Punch out the name plate cards MODIFICATION 1 DC Source Switch To prevent the power supply from turning off due to mis...

Page 9: ... BACKUP ORANGE CHARGE Final unit A 2 Component side Fig 2 MODIFICATION Fig 3 Strip off the insulation so that the cable can be soldered Cut off the coaxial cable at this point About 20mm About 8 10mm Fig 4 C81 CN3 ANT SW FWD C160 C160 C81 E RX CN53 Final unit A 2 Component side 3 Single Antenna The TKR 850 can be used as a base station by sharing an external antenna connector for both transmitting...

Page 10: ...s t on top and bottom You can remove the panel as sembly by pulling to front while you are pulling up the tabs Fig 5 CN16 CN18 TX RX unit A 2 Component side Route the coaxial cable under the lead wire extending from CN3 and CN16 Style the coaxial cable as illustrated in the figure Solder the coaxial cable CN3 E RX Final unit A 2 Component side 3 2 Connection 1 Solder the prepared coaxial cable to ...

Page 11: ...tenuates the unwanted signals and sends only the necessary signal to the first mixer DBM A1 2 2 First Mixer The signal from the BPF is heterodyned with the first local oscillator signal from the PLL frequency synthesizer circuit at the first mixer DBM A1 to become a 44 85MHz first inter mediate frequency IF signal The first IF signal is fed through two monolithic crystal filters XF2 Wide XF1 Nar r...

Page 12: ...ircuit The transmitter circuit consists of the following circuits 3 1 microphone circuit 3 2 modulation level adjustment circuit 3 3 driver and final power amplifier circuit 3 4 automatic power control circuit 3 5 RF power down detect and 3 6 fan action control circuit 3 1 Microphone Circuit The signal from the microphone is passed through AGC circuit located in display unit X54 333 so that it doe...

Page 13: ...and IC6 located in the TX RX unit An APC voltage proportional to the difference between the sensed voltage and the reference voltage appears at the output of IC3 This output voltage controls the gate voltage for the drive amplifi ers Q3 and Q4 and final amplifier Q5 which keeps the trans mitter output power constant 3 5 RF Power Down Detect When the transmitter output power has dropped to or be lo...

Page 14: ...y amplifier Q302 The VCXO generates 16 8MHz The frequency stability is within 1 5ppm Temperature range of 30 to 60 C The frequency tuning and modulation of the VCXO are done to apply a voltage to pin 1 of the VCXO The output of the VCXO is applied to pin 8 of the PLL IC through the pin 7 of the VCO The VCO oscillator frequency is 450 00 to 480 00MHz K 440 00 to 470 00MHz E 480 00 to 512 00MHz K2 o...

Page 15: ...equency is shifted Shift on off can be set through programming 5 4 Shift Register Circuit Serial data is sent to the shift register IC502 to IC505 lo cated in display unit IC602 IC623 IC7 located in TX RX unit from the CPU IC604 to control various functions in the unit 5 5 Display Circuit The display circuit X54 333 contains two 7 segment LEDs D506 D507 orange D503 red transmission two color D504 ...

Page 16: ...he DSP operated at 3 3V 5 7 Base Band Circuit The base band circuit switches between the modulation signal to the transmitter circuit and remote audio and adjusts their levels This circuit consists of IC605 IC607 IC611 IC615 and IC617 Modulation inputs include local microphone input low speed data LSD high speed data HSD external audio in put TA and external data input TD and demodulation out puts...

Page 17: ...kle charging of 0 5A max can be performed from the Main DC power supply to the Battery The default is OFF See the Modification section for infor mation on the modification method The battery is charged from the Main DC with D8 D9 and R61 If it exceeds 0 5A the charging circuit is turned OFF by D9 6 2 SB Switching Relay Circuit 1 SB Switched B is supplied through the relay K1 in the TX RX unit A 2 ...

Page 18: ...CP O PLL IC clock 36 DP O PLL IC data 37 RDY I CPU ready input Pin No Name I O Function 38 ALE Not used 39 HOLD Not used 40 HLDA Not used 41 BCLK O Not used 42 RD O Flash ROM WR DSP HDS1 43 BHE Not used 44 WR O Flash ROM WR DSP HDS2 45 STB2 O Control shift register STB 46 INTx O DSP interrupt H Off L On 47 HCS O DSP HCS 48 CS0 O Flash ROM CS 49 A19 O Not used 50 59 A18 A9 O Flash ROM address bus 6...

Page 19: ...nc for receiver input LRCK 16 128kHz 44 BFSR1 I Frame sync for receiver input LRCK 16 128kHz Pin No Name I O Function 45 BDR0 I Serial data receive input 46 HCNTL1 I HPI control 1 47 BDR1 Not used No connection 48 BCLKX0 I Transmit clock input SCLK 516 09375kHz 49 BCLKX1 O Master clock output MCLK 4 12875MHz 50 Vss GND 51 HINT TOUT1 O Boot mode select Pull up 52 CVDD VDD for core CPU 1 8V 53 BFSX0...

Page 20: ...connection 135 HD7 I O HPI data bus 136 141 A14 A19 O Not used No connection 142 CVDD VDD for core CPU 1 8V 143 144 NC17 NC18 Not used No connection Final Unit X45 374X XX Ref No Part name Description IC1 IC Thermostat IC2 IC Voltage regulator IC3 IC DC amplifier Q1 2 Transistor RF amplifier Q3 4 FET TX drive amplifier Q5 FET Final amplifier Q8 9 Transistor DC switch D2 Zener diode Voltage referen...

Page 21: ...C switch Q601 Transistor DC switch Q602 FET DC switch Ref No Part name Description Q603 Transistor Inverter Q604 FET DC switch Q605 Transistor Inverter Q606 Transistor AF mute switch Q607 609 Transistor DC switch Q610 FET DC switch Q611 612 Transistor DC switch Q613 614 Transistor Current control Q615 Transistor DC switch D1 4 Diode Wide Narrow switch D5 Diode Noise detection D7 Diode DC switch D8...

Page 22: ...0 3322 04 INSULATING SHEET BACKUP 43 1B 2B G02 0576 14 FLAT SPRING G02 0729 14 FLAT SPRING TX RX FOIL 44 2B G02 0829 14 FLAT SPRING 45 3B G02 0885 13 EARTH SPRING 51 1B G02 0894 04 EARTH SPRING FINAL FET 46 2B 3B G10 1263 04 FIBROUS SHEET CHASSIS 47 3C 2D G10 1264 04 FIBROUS SHEET PANEL 50 3B G10 1344 04 FIBROUS SHEET 58 3B G10 1345 04 FIBROUS SHEET 48 1F G13 1801 04 CUSHION ACCESSORY TKR 850 49 1...

Page 23: ...CC73GCH1H101J CHIP C 100PF J C78 CK73GB1H471K CHIP C 470PF K C79 CK73FB1E104K CHIP C 0 10UF K C80 C92 0777 05 ELECTRO 1000UF 25WV C81 CM73F2H820J CHIP C 82PF J C83 C93 0555 05 CHIP C 5 0PF C K2 C83 C93 0556 05 CHIP C 6 0PF D K E C83 C93 0557 05 CHIP C 7 0PF D K3 C86 C93 0558 05 CHIP C 8 0PF D K2 C86 C93 0560 05 CHIP C 10PF D K E C86 C93 0561 05 CHIP C 12PF J K3 C88 C93 0556 05 CHIP C 6 0PF D K3 C8...

Page 24: ...R92 1252 05 CHIP R 0 OHM J 1 16W R37 R92 0670 05 CHIP R 0 OHM R38 RK73GB1J473J CHIP R 47K J 1 16W R40 R92 1204 05 CHIP R 100 J 1 4W R41 42 R92 1252 05 CHIP R 0 OHM J 1 16W R44 R92 0670 05 CHIP R 0 OHM R45 RK73GB1J223J CHIP R 22K J 1 16W R46 RK73GB1J471J CHIP R 470 J 1 16W K E R46 R92 1252 05 CHIP R 0 OHM J 1 16W K2 K3 R47 RK73GB1J222J CHIP R 2 2K J 1 16W K E R47 RK73GB1J332J CHIP R 3 3K J 1 16W K2...

Page 25: ...CH1H100D CHIP C 10PF D K2 K3 C3 CC73GCH1H120J CHIP C 12PF J K E C4 5 CK73GB1H471K CHIP C 470PF K C7 CC73GCH1H070D CHIP C 7 0PF D K2 C7 CC73GCH1H080D CHIP C 8 0PF D K3 C7 CC73GCH1H120J CHIP C 12PF J K E C8 CC73GCH1H0R5C CHIP C 0 5PF C K E C8 CC73GCH1H010C CHIP C 1 0PF C K2 K3 C13 CK73GB1H471K CHIP C 470PF K C14 15 CC73GCH1H060D CHIP C 6 0PF D K E C14 15 CC73GCH1H070D CHIP C 7 0PF D K3 C14 15 CC73GC...

Page 26: ...IP C 0 010UF K C174 C92 0008 05 CHIP TAN 3 3UF 16WV C175 CK73GB1H102K CHIP C 1000PF K C176 CK73GB1H103K CHIP C 0 010UF K C177 CK73GB1H471K CHIP C 470PF K C178 C92 0606 05 CHIP TAN 4 7UF 10WV C179 CK73GB1H103K CHIP C 0 010UF K C184 185 CK73GB1H102K CHIP C 1000PF K C189 190 CK73GB1H102K CHIP C 1000PF K C191 195 CK73GB1H103K CHIP C 0 010UF K C197 CK73FB1H333K CHIP C 0 033UF K C198 CK73GB1C104K CHIP C...

Page 27: ...B1H471K CHIP C 470PF K C784 CK73FB1C105K CHIP C 1 0UF K C785 786 CK73GB1C104K CHIP C 0 10UF K C787 CK73FB1C105K CHIP C 1 0UF K C788 CC73GCH1H101J CHIP C 100PF J C789 CE04EW1E331M ELECTRO 330UF 25WV C790 CC73GCH1H101J CHIP C 100PF J C791 CK73GB1H471K CHIP C 470PF K C792 794 CK73GB1H102K CHIP C 1000PF K C795 CC73GCH1H101J CHIP C 100PF J C796 797 CK73GB1H102K CHIP C 1000PF K C798 CE04EW1E470M ELECTRO...

Page 28: ...ULTI COMP 1K X2 CP609 R90 1019 05 MULTI COMP 100 X2 CP610 611 R90 0750 05 CHIP COM 10 J 1 16W CP612 614 R90 0725 05 MULTI COMP 1K X2 CP615 619 R90 0750 05 CHIP COM 10 J 1 16W CP620 R90 1019 05 MULTI COMP 100 X2 R2 RK73GB1J122J CHIP R 1 2K J 1 16W R3 RK73GB1J102J CHIP R 1 0K J 1 16W R5 RK73GB1J101J CHIP R 100 J 1 16W R8 RK73GB1J151J CHIP R 150 J 1 16W R9 RK73GB1J223J CHIP R 22K J 1 16W R10 RK73GB1J...

Page 29: ... CHIP R 0 OHM R602 RK73GB1J472J CHIP R 4 7K J 1 16W R603 RK73GB1J102J CHIP R 1 0K J 1 16W R604 RK73GB1J333J CHIP R 33K J 1 16W R605 RK73GB1J104J CHIP R 100K J 1 16W R606 RK73GB1J473J CHIP R 47K J 1 16W R607 613 R92 1252 05 CHIP R 0 OHM J 1 16W R614 RK73GB1J473J CHIP R 47K J 1 16W R615 R92 1252 05 CHIP R 0 OHM J 1 16W R616 RK73GB1J473J CHIP R 47K J 1 16W R618 R92 1252 05 CHIP R 0 OHM J 1 16W R619 R...

Page 30: ... RK73GB1J471J CHIP R 470 J 1 16W R782 RK73GB1J473J CHIP R 47K J 1 16W R783 RK73GB1J102J CHIP R 1 0K J 1 16W R785 RK73GB1J102J CHIP R 1 0K J 1 16W R786 RK73GB1J473J CHIP R 47K J 1 16W R787 RK73GB1J102J CHIP R 1 0K J 1 16W R789 RK73GB1J102J CHIP R 1 0K J 1 16W R790 RK73GB1J473J CHIP R 47K J 1 16W R791 RK73GB1J102J CHIP R 1 0K J 1 16W R793 RK73GB1J102J CHIP R 1 0K J 1 16W R794 RK73GB1J473J CHIP R 47K...

Page 31: ...UA DIGITAL TRANSISTOR Q612 DTC144EUA DIGITAL TRANSISTOR Q613 614 DTD123TK DIGITAL TRANSISTOR Q615 DTC144EUA DIGITAL TRANSISTOR TH1 157 503 53006 THERMISTOR TH700 701 B57331V2103J THERMISTOR A1 W02 1939 05 DBM A2 X58 4810 10 SUB UNIT K E A2 X58 4810 11 SUB UNIT K2 A2 X58 4810 12 SUB UNIT K3 A3 X58 4800 10 SUB UNIT K E A3 X58 4800 11 SUB UNIT K2 A3 X58 4800 12 SUB UNIT K3 C304 305 CK73GB1H102K CHIP ...

Page 32: ...333J CHIP R 33K J 1 16W R366 RK73GB1J103J CHIP R 10K J 1 16W R367 RK73GB1J101J CHIP R 100 J 1 16W R368 RK73GB1J330J CHIP R 33 J 1 16W D350 353 1SV282 VARIABLE CAPACITANCE DIODE IC300 CD8468 MOS IC IC300 SA7025DK MOS IC RX VCO UNIT X58 480X XX TX VCO UNIT X58 481X XX Q300 301 2SC4116 GR TRANSISTOR Q302 2SC4226 R24 TRANSISTOR Q350 351 2SK508NV K52 FET Q352 353 2SC4116 Y TRANSISTOR Q354 DTC114EUA DIG...

Page 33: ...K73GB1J560J CHIP R 56 J 1 16W R309 RK73GB1J331J CHIP R 330 J 1 16W R310 RK73GB1J332J CHIP R 3 3K J 1 16W R311 RK73GB1J103J CHIP R 10K J 1 16W R312 RK73GB1J331J CHIP R 330 J 1 16W R313 RK73GB1J222J CHIP R 2 2K J 1 16W R314 RK73GB1J474J CHIP R 470K J 1 16W R315 RK73GB1J151J CHIP R 150 J 1 16W R316 RK73FB2A152J CHIP R 1 5K J 1 10W R317 318 R92 1252 05 CHIP R 0 OHM J 1 16W R319 RK73GB1J330J CHIP R 33 ...

Page 34: ...splay A 2 Display B 2 A N09 2292 05 B M2 6 x 6 N30 2606 46 C M4 x 6 N30 4006 46 D M4 x 14 N30 4014 46 E M4 x 20 BLK N30 4020 45 F M3 x 6 F N32 3006 46 G M4 x 8 F BLK N32 4008 45 H M3 x 6 OC BLK N33 3006 45 J M3 x 6 Bi BLK N35 3006 45 K M4 x 6 Bi BLK N35 4006 45 L M3 x 8 N67 3008 46 M M2 6 x 8 BLK N80 2608 45 N M2 6 x 6 Br Tap N87 2606 46 O M3 x 5 Br Tap BLK N87 3005 45 P M3 x 6 Br Tap N87 3006 46 ...

Page 35: ...6 12 12 28 33 30 31 14 19 47 4 41 37 35x2 36 16 21 15 47x2 Fx2 Kx14 Fx2 Nx2 Hx6 R R Bx2 Mx4 Ex4 Ax2 Bx2 F F 702 701 Dx3 Gx3 706 706 704 Final B 2 nal A 2 703 704 705 Parts with the exploded numbers larger than 700 are not supplied ...

Page 36: ...ion bag 709 Carton board 57 Item carton case H52 1779 02 17 DC cord E30 3427 15 54 Protection bag H25 0762 04 65 Handle K01 0418 15 18 TEST SPKR plug E31 3228 05 35 Fuse Blade 15A 32V F05 1537 05 52 Protection bag H25 0029 04 11 Instruction manual B62 1835 00 K K2 K3 B62 1837 00 E 52 Protection bag H25 0029 04 59 Foot J02 0475 05 x 2 60 Foot J02 0492 04 x 2 62 Grommet J59 0302 05 x 2 C Pan head ma...

Page 37: ...ess 7 Ammeter 15A or more 8 AF Volt Meter Frequency Range 50Hz to 10kHz AF VTVM Voltage Range 3mV to 3V 9 Audio Generator AG Frequency Range 50Hz to 5kHz Output 0 to 1V 10 Distortion Meter Capability 3 or less at 1kHz Input Level 50mV to 10Vrms 11 Voltmeter Measuring Range 10 to 1 5V DC or less Input Impedance 50kΩ V or greater 12 4Ω Dummy Load Approx 4Ω 5W MIC connector Front panel view Test cabl...

Page 38: ... 4 455 10 455 00 485 10 485 00 405 10 405 00 445 10 445 00 5 460 10 460 00 490 10 490 00 410 10 410 00 450 10 450 00 6 470 10 470 00 500 10 500 00 420 10 420 00 460 10 460 00 7 475 10 475 00 505 10 505 00 425 10 425 00 465 10 465 00 8 462 60 462 50 493 60 493 50 412 60 412 50 452 60 452 50 9 467 60 467 50 498 60 498 50 417 60 417 50 457 60 457 50 10 440 10 440 00 499 90 500 00 419 90 420 00 459 90...

Page 39: ...ance The 5 tone adjustment is required only for the E market products 1 Setting 1 Connect the unit to a suitable DC power supply 2 Write test 1 Turn the DC source switch on after connecting a PC and FPU cable to the radio E1 appears on LED display frequency 2 Write the test and shipping frequency to the radio Green BUSY LED lights up 3 End of test frequency writing 3 Setting 1 Connect the unit to ...

Page 40: ...1 Remove 8 pin cable and the coaxial cable from CN16 and CN19 on TX RX side 8 TX 1 Connect the frequency f counter TX RX CN19 PC adj 50Hz or less frequency counter to CN19 then A 2 measure the frequency CH 2 9 Setting 1 Insert 8 pin cable and the coaxial cable to CN16 and CN19 on TX RX side 10 Maximum 1 Measure the RF power at Power meter Rear TX ANT Final VR1 Adjust the RF power 1W power TX ANT t...

Page 41: ...tput 53dBm 501µV AF VM TEST SPKR SSG MOD 1kHz Distortion jack SPO SSG DEV 3kHz meter pin 12 AF 2V 4Ω 16 Threshold 1 Connect SSG to RX ANT SSG Rear RX ANT PC adj squelch CH 2 Wide Adjust to point of Wide SSG output 4dB below to Audio TEST SPKR closing squelch 12dB SINAD level analyzer jack SPO SSG MOD 1kHz VTVM pin 12 SSG DEV 3kHz Oscilloscope AF 2V 4Ω 2 SSG OFF Check Squelch must be closed Narrow ...

Page 42: ...Rear TX OUT PC adj 0 1kHz deviation Low CH TX VCO low or 4 1kHz Wide Center CH VCO center Deviation High CH TX VCO high meter Deviation meter filter Oscilloscope HPF OFF LPF 15kHz AG Front MIC De emphasis OFF AF VTVM AG 1kHz 50mV Terminal load Transmission Narrow 2 Low CH TX VCO low PC adj 0 1kHz Center CH VCO center 2 05kHz High CH TX VCO high Transmission Note After adjustment of the Max Deviati...

Page 43: ...ion meter filter 3kHz Wide HPF OFF LPF 15kHz De emphasis OFF Transmission Narrow 2 CH 2 PC adj 0 05kHz Transmission 1 5kHz 26 TA TX 1 Insert AG output into the MOD ANA Rear TX ANT PC adj 0 1kHz audio input control I O TA terminal pin 9 or 3 0kHz deviation CH 2 Deviation Wide Deviation meter filter meter HPF OFF Oscilloscope LPF 15kHz De emphasis OFF AG CONTROL AG freq 1kHz Sine wave AF VTVM I O ja...

Page 44: ...15kHz De emphasis OFF Transmission Narrow 2 CH 2 PC adj 0 05kHz Transmission 1 5kHz 31 Battery 1 CH 2 PC adj 0 05kHz operation Deviation meter filter 1 0kHz tone HPF OFF deviation LPF 15kHz Wide De emphasis OFF Transmission Narrow 2 CH 2 PC adj 0 05kHz Transmission 0 5kHz 32 5 tone 1 CH 2 PC adj 0 1kHz deviation Deviation meter filter 3 0kHz E type only HPF OFF LPF 15kHz Wide De emphasis OFF Trans...

Page 45: ...ten 5dB V1 V2 V3 FC AA Res BW 30kHz VBW 30kHz Span 20MHz Sweep 50ms 401 pts RX TX 75dB or more 2 Confirmation of Repeater Desensitization The following figure is a Test set up for Repeater Desensi tization After this Test set up is completed confirm the Repeater Desensitization as mentioned below 1 Disable the repeater mode 2 Adjust the level of the RF generator until 12dB SINAD is reached 3 Incre...

Page 46: ...t RXD output 11 SOE I Output enable for shift register 12 PTT TXD I O PTT output TXD input Connector Terminal Terminal I O Terminal function No No Name 13 STB1 I Strobe data for shift register 14 CLK I Clock data input 15 DAT I Serial data input 16 PSW O Power switch output 17 GND Ground 18 NC No connection 19 SB I Power supply input after power switch 20 SB I Power supply input after power switch...

Page 47: ...O Power supply output after power switch To X54 2 SB O Power supply output after power switch B 2 3 GND Ground Connector Terminal Terminal I O Terminal function No No Name 4 NC No Connection display 5 DAT O Serial data output unit 6 PSW I Power switch input 7 STB1 O Strobe data for shift register 8 CLK O Clock data output 9 SOE O Output enable for shift register 10 TXD1 I O PTT input TXD output 11...

Page 48: ... IO4 I O Programable I O 4 9 RD O RX data output voice data 10 IO3 I O Programable I O 3 11 TA I TX audio input voice 12 IO2 I O Programable I O 2 13 TD I TX data input data or signaling Connector Terminal Terminal I O Terminal function No No Name 14 IO1 I O Programable I O 1 15 DG Control line ground 16 TXG TX signal ground 17 AI3 I Auxiliary input 3 FPU selectable 18 NC No connection 19 AI2 I Au...

Page 49: ... for RA RD ground only Connector Terminal Terminal I O Terminal function No No Name 13 SPM I Speaker mute signal input L Mute on 14 NC No connection 15 EMON I External monitor switch input L Monitor on H Monitor off 16 EPTT I External press to talk switch input L PTT on H PTT off 17 SC O Squelch control output L Busy H Not busy 18 NC No connection 19 TXG TX signal ground for TA TD ground only 20 A...

Page 50: ... RXO AC BC3 BC1 BC4 BC2 RXI GND PTI NC PTO CLRC 14 1 RXD2 DG AI3 TD RD NC AI2 SPM AI1 RXG RA TXD2 TA AIO2 NC EMON TXG AIO1 AIO4 NC SC AIO6 AIO5 EPTT AIO3 SPG GND SB RD GND RSI SB AO1 SPO AO5 SPI AO3 AO2 AO4 DISPLAY UNIT B 2 X54 333 MIC SPG SPO CONTROL I O CN606 CN603 1 4 CN601 LDT RSSI EPR PSW GND MO SC LD2 TMP CK GND FWD DET SOE SB CP BUP NC SB EPT ASQ 8C DT NC LDR STB DP MB GND NC GND QS NC SB S...

Page 51: ... TX ANT GND B2 B1 BACKUP BATTERY 2 ON 1 4 6 5 T 3 GND B1 B2 GND 1 FAB FAN CN5 CN4 CN3 CN1 1 8 CN6 CN8 CN7 CN15 1 3 CN16 CN18 CN19 E B B 3 1 NC BUP 8T TMP PC GND PDT FAS MAIN DC MAIN DC GND BACKUP 1 8 TEST SPKR 9 12 W3 W4 W5 W6 W7 W8 W2 W1 2 FAG B 8V AVR 8V AVR 9V AVR SUB UNIT RX VCO PLL X58 480 SUB UNIT TX VCO PLL X58 481 5V AVR 5V AVR INTERCONNECTION DIAGRAM ...

Page 52: ... ANT GND B2 B1 BACKUP BATTERY RXD2 DG AI3 TD RD NC AI2 SPM AI1 RXG RA TXD2 TA AIO2 NC EMON TXG AIO1 AIO4 NC SC AIO6 AIO5 EPTT AIO3 SPG GND SB RD GND RSI SB AO1 SPO AO5 SPI AO3 AO2 AO4 GND B1 B2 GND DISPLAY UNIT B 2 X54 333 1 FAB MIC FAN SPG SPO CN5 CN4 CN3 CN1 1 8 CN6 CN8 CN7 CN15 1 3 CN16 CN18 CN19 CONTROL I O E B B 3 1 NC BUP 8T TMP PC GND PDT FAS CN606 CN603 1 4 CN601 LDT RSSI EPR PSW GND MO SC...

Page 53: ...R4 R8 R9 R46 R47 R48 R49 R55 R59 R61 R62 C12 C13 C14 C17 GND B2 GND B1 Main DC Back up battery J72 0911 19 B 2 B1 GND B2 CN6 MAIN DC RED CN7 BACKUP ORANGE CN8 GND BLACK CHARGE CN4 FAB 1 2 FAG 1 3 B B E CN5 Vg Q4 G D 8T CN1 TX IN 1 4 5 8 C169 C173 C42 TKR 850 PC BOARD FINAL UNIT X45 374X XX 0 10 K E 0 11 K2 0 12 K3 Component side view J72 0911 19 Ref No Address IC3 8J Q1 9H Q2 9G Q3 8F Ref No Addre...

Page 54: ... C124 R22 R23 R24 26 Q8 R31 C165 R34 R35 R36 L17 R37 R38 L16 R40 R73 R41 R44 R45 VR1 R55 R56 R57 R58 R59 R60 R62 R72 CN3 1 4 5 8 PDT TMP Vg PC DET TH1 Q5 G D 1 8 GND NC 8T PC FAS PDT BUP TMP REV ANT SW FWD ANT J72 0911 19 A 2 C42 C56 C160 L19 E RX C178 L20 D53 CN53 PC BOARD TKR 850 FINAL UNIT X45 374X XX 0 10 K E 0 11 K2 0 12 K3 Component side view J72 0911 19 Component side Foil side Layer 1 Laye...

Page 55: ...55 R56 R57 R58 R59 R60 R61 R62 R72 CN3 C12 C13 C14 C17 GND B2 GND B1 Main DC Back up battery J72 0911 19 B 2 B1 GND B2 CN6 MAIN DC RED CN7 BACKUP ORANGE CN8 GND BLACK CHARGE CN4 FAB 1 2 FAG 1 3 B B E CN5 Vg Q4 G D 8T CN1 TX IN 1 4 5 8 PDT TMP Vg PC DET TH1 Q5 G D 1 8 GND NC 8T PC FAS PDT BUP TMP REV ANT SW FWD ANT J72 0911 19 A 2 C169 C173 C42 C56 C160 L19 E RX C178 L20 D53 CN53 TKR 850 PC BOARD F...

Page 56: ...C92 C93 C94 C95 C96 C97 IC1 J72 0911 19 A 2 1 3 4 5 C68 D55 D56 C179 R70 C155 C157 R71 C167 C106 C107 C108 C109 R77 TKR 850 PC BOARD FINAL UNIT X45 374X XX 0 10 K E 0 11 K2 0 12 K3 Foil side view J72 0911 19 Ref No Address IC1 7J IC2 9O Q9 8O D10 8O Ref No Address D55 6A D56 7A ...

Page 57: ...2 C112 C113 C114 C115 C116 C117 Q9 R6 R7 R50 R54 C10 C15 C18 C19 J72 0911 19 B 2 B1 GND B2 GND B2 GND B1 Main DC Back up battery 1 3 4 5 I G O C174 C161 C107 C108 C109 R77 C168 C170 C177 PC BOARD TKR 850 FINAL UNIT X45 374X XX 0 10 K E 0 11 K2 0 12 K3 Foil side view J72 0911 19 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 ...

Page 58: ...911 19 B 2 B1 GND B2 GND B2 GND B1 Main DC Back up battery J72 0911 19 A 2 1 3 4 5 I G O C174 C68 D55 D56 C179 R70 C155 C157 R71 C167 C161 C106 C107 C108 C109 R77 C168 C170 C177 TKR 850 PC BOARD PC BOARD TKR 850 FINAL UNIT X45 374X XX 0 10 K E 0 11 K2 0 12 K3 Foil side view J72 0911 19 FINAL UNIT X45 374X XX 0 10 K E 0 11 K2 0 12 K3 Foil side view J72 0911 19 Ref No Address IC1 7J IC2 9O Q9 8O D10...

Page 59: ... 3 4 5 6 7 8 9 10 11 12 13 14 VR601 Q512 J601 S501 PF1 S502 PF2 S503 PF3 S504 PF4 D503 TX IC504 J72 0756 12 B 2 NC MIC PTT SB NC GND MIG HK 1 3 4 6 1 8 1 TKR 850 PC BOARD DISPLAY UNIT X54 3330 21 Component side view J72 0756 12 ...

Page 60: ...BUSY D505 D506 D507 IC504 IC505 J72 0756 12 A 2 1 6 4 3 MAIN DC BACK UP GRN RED 1 8 9 16 1 8 9 16 DISPLAY UNIT X54 3330 21 Component side view J72 0756 12 PC BOARD TKR 850 Component side Foil side Layer 1 Layer 2 Ref No Address IC504 6J IC505 6L Q512 10A Q514 9P D503 7J D504 7M D505 5R D506 5J D507 5L ...

Page 61: ...06 D507 IC504 IC505 J72 0756 12 B 2 J72 0756 12 A 2 NC MIC PTT SB NC GND MIG HK 1 3 4 6 1 6 4 3 MAIN DC BACK UP GRN RED 1 8 9 16 1 8 9 16 TKR 850 PC BOARD DISPLAY UNIT X54 3330 21 Component side view J72 0756 12 DISPLAY UNIT X54 3330 21 Component side view J72 0756 12 PC BOARD TKR 850 Component side Foil side Layer 1 Layer 2 Ref No Address IC504 6J IC505 6L Q512 10A Q514 9P D503 7J D504 7M D505 5R...

Page 62: ...01 CP502 CP503 CP504 RED GRN BACKUP MAIN DC 1 3 4 6 1 1 3 3 4 4 6 6 D S G 1 1 3 3 4 4 6 1 3 4 6 1 3 4 6 6 1 3 4 6 1 3 4 6 1 3 4 6 1 3 4 6 RED GRN BUSY RED TX 1 4 VLI 5M GND NC SB NC GND PTT MIG MIC HK 11 1 J72 0756 12 A 2 TKR 850 PC BOARD Component side Foil side Layer 1 Layer 2 DISPLAY UNIT X54 3330 21 Foil side view J72 0756 12 Ref No Address IC501 9J IC502 7D IC503 9P IC506 8I IC507 8F Q501 9I ...

Page 63: ...HK D603 Q513 Q516 Q519 R509 R510 R511 R512 R513 R514 R516 CN502 R521 R522 R523 R524 R529 R530 R531 R532 R533 7 C508 C509 C510 C512 C513 C514 C515 1 2 20 SB NC PSW CLK PTT TXD HK RXD K3 K5 5C MIC SB GND DAT STB1 SOE K1 K2 K4 VLI MIG 19 IC501 1 8 9 16 IC503 1 3 4 6 1 3 4 6 RED GRN TX 1 4 5 8 1 3 4 6 J72 0756 12 B 2 PC BOARD TKR 850 DISPLAY UNIT X54 3330 21 Foil side view J72 0756 12 ...

Page 64: ... C521 C522 C523 C524 C525 VR501 C526 D501 D502 D508 D509 D510 D511 D512 D513 D514 IC501 IC502 1 8 9 16 1 8 9 16 IC503 IC506 O G I IC507 O G I CP501 CP502 CP503 CP504 RED GRN BACKUP MAIN DC 1 3 4 6 1 1 3 3 4 4 6 6 D S G 1 1 3 3 4 4 6 1 3 4 6 1 3 4 6 6 1 3 4 6 1 3 4 6 1 3 4 6 1 3 4 6 RED GRN BUSY RED GRN TX 1 4 5 8 1 3 4 6 VLI 5M GND NC SB NC GND PTT MIG MIC HK 11 1 J72 0756 12 B 2 J72 0756 12 A 2 T...

Page 65: ...0 CN2 X1 IC10 O G G O I I 9V A9 TX SRR STT SOE CK QS STB4 5CR LD2 DT FCR WIDE NARROW FCT 1 2 CN14 1 35 2 36 NC NC ASQ SC CP EPT LDT CK FWD BUP TMP GND MO GND NC SB SB 8C DET GND RSSI DP EPR LDR DT STB LD2 PSW SOE MB GND QS SB SB NC 8C MO CN15 K1 1 3 E B B I G O 1 10 11 20 CF1 WIDE CF2 NARROW CN4 1 2 PSW SB 8CR TKR 850 PC BOARD Ref No Address IC4 11B IC5 10I IC9 7D IC10 11I Ref No Address Q4 9F Q16...

Page 66: ...C 8T PC FAS PDT BUP TMP 8 TP102 TX CV 8CT TP101 RX CV 8CR LDR EPR DP CP FCT CP CP EPT LDT A2 TX VCO X58 481 A3 RX VCO X58 480 GND2 VO FIN 5C LDR EPR DP CP REF GND1 SRR 8CL CV 9CL NC GND2 VO FIN 5C LDT EPT DP CP REF GND1 STT 8CL CV 9CL MO J72 0924 19 A 2 9V 1 2 PC BOARD TKR 850 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 TX RX UNIT X57 696X XX A 2 0 11 K 0 12 K2 0 13 K3 2 70 E Componen...

Page 67: ... TX VCO X58 481 A3 RX VCO X58 480 GND2 VO FIN 5C LDR EPR DP CP REF GND1 SRR 8CL CV 9CL NC GND2 VO FIN 5C LDT EPT DP CP REF GND1 STT 8CL CV 9CL MO J72 0924 19 A 2 9V A9 TX SRR STT SOE CK QS STB4 5CR LD2 DT FCR WIDE NARROW FCT 1 2 CN14 1 35 2 36 NC NC ASQ SC CP EPT LDT CK FWD BUP TMP GND MO GND NC SB SB 8C DET GND RSSI DP EPR LDR DT STB LD2 PSW SOE MB GND QS SB SB NC 8C MO CN15 K1 1 3 E B B I G O 1 ...

Page 68: ... R20 C129 R17 C130 R18 C131 C211 or R173 C132 C133 C134 C135 Q2 B Q8 Q9 C140 C141 C142 R33 C143 R34 R35 C145 R36 C146 R37 R3 C148 R3 C149 R8 C150 C152 C164 C166 C167 C175 C176 C177 C178 C179 R73 R74 R75 R76 R77 R78 R79 C191 R82 C29 C28 C192 C193 C194 C195 R87 R88 R90 R91 R92 R93 R94 R95 C94 R96 C224 L42 X2 R97 X3 R98 R99 IC11 O G I GND2 VO FIN 5C LDT EPT DP CP REF GND1 STT 8CL CV 9CL MO 1 4 5 8 GN...

Page 69: ...13 L21 L23 R150 IC6 1 1 8 8 16 16 9 9 IC7 L34 C5 C7 R160 R161 R163 R178 R164 R165 R166 L43 Q1 E C B Q2 B C E Q3 Q5 R176 Q6 Q7 R34 R2 R35 R36 R37 R38 R5 R39 C8 R14 R40 C151 R42 R43 C153 C154 C155 C156 R47 C157 R48 C52 R49 R51 R52 C162 R53 C163 R55 R56 R58 R66 R67 R68 R71 R72 C184 C185 C189 C190 R83 C197 C198 C199 C210 TX RX UNIT X57 696X XX A 2 0 11 K 0 12 K2 0 13 K3 2 70 E Foil side view J72 0924 ...

Page 70: ...C130 R18 C131 C211 or R173 C132 C133 C134 Q1 E C B C135 Q2 B C E Q3 Q5 R176 Q6 Q7 Q8 Q9 C140 C141 C142 R33 C143 R34 R2 R35 C145 R36 C146 R37 R38 C148 R5 R39 C149 C8 R14 R8 R40 C150 C151 R42 C152 R43 C153 C154 C155 C156 R47 C157 R48 C52 R49 R51 R52 C162 R53 C163 C164 R55 R56 C166 C167 R58 C175 R66 C176 R67 C177 R68 C178 C179 R71 R72 R73 R74 C184 R75 C185 R76 R77 R78 R79 C189 C190 C191 R82 C29 C28 C...

Page 71: ...ND SB 1 2 Q612 L601 L604 L606 L C780 C781 C785 C786 5 TONE 3 3D TMS TD1 DVDD TD0 TCK TCK EMU0 TRST GND NC GND GND GND EMU1 1 J72 0924 19 B 2 TKR 850 PC BOARD Ref No Address IC601 6A IC602 7K IC605 6K IC607 8O IC623 8K IC624 4G IC625 4K IC627 4A Ref No Address IC628 3G IC629 4R IC630 4N Q607 8L Q608 9L Q612 5B Q613 8M Q614 9M Ref No Address D600 4B D614 6M D618 6M D621 7M D626 4M D629 6N TX RX UNIT...

Page 72: ...8 30 NC NC NC EMON EPTT 5C NC TXG IO1 IO2 IO3 IO4 IO5 IO6 NC 29 NC NC RXD2 TXD2 AI1 AI2 AI3 DG TD TA RD RA RXG SPM NC 2 1 D629 CP600 CP601 IC623 1 1 1 8 8 8 9 9 9 16 16 16 IC625 O I G IC630 G O I R742 R749 R750 R751 R752 R760 R764 R765 R766 R768 R771 R781 R785 R789 R793 1 1 SPO SPG 2 12 Q607 TXO TXI RXO AC BC1 BC2 BC3 BC4 PTI CLRC RXI PTO NC GND Q608 C760 C762 C765 C767 Q613 Q614 C770 C772 C773 L6...

Page 73: ...0 G O I R742 R749 R750 R751 R752 R760 R764 R765 R766 R768 R771 R781 R785 R789 R793 1 1 SPO SPG 2 12 Q607 TXO TXI RXO AC BC1 BC2 BC3 BC4 PTI CLRC RXI PTO NC GND Q608 C760 C762 C765 C766 C767 C769 20 MIC 5C K5 K3 HK RXD1 PTT TXD1 CLK PSW NC SB 19 MIG VLI K4 K2 K1 SOE STB1 DAT GND SB 1 2 Q612 Q613 Q614 L601 C770 L604 C772 L606 C773 L607 C774 L608 L611 L612 L613 C780 C781 C785 C786 C788 C789 C790 C792...

Page 74: ...722 C723 C724 C725 R762 C726 C852 R763 C728 C729 R767 C730 R772 C736 R773 R774 R775 C739 R776 R777 R778 R779 C740 C743 R780 C744 R782 C746 R783 R786 R787 R790 R791 R794 C758 R795 Q6 R798 R799 Q605 Q606 C761 Q609 C763 C764 C768 Q610 1 8C NC SB SB QS GND MB SOE PSW LD2 STB DT LDR EPR DP RSSI GND DET 8C SB SB NC GND MO GND TMP BUP FWD CK LDT EPT CP SC ASQ NC NC 35 36 2 G S D Q611 Q615 C771 L605 C775 ...

Page 75: ... 4 5 8 4 5 8 IC603 1 12 13 24 IC604 IC606 IC609 C693 IC613 1 16 C694 C695 C696 IC618 1 144 CP603 CP604 CP605 CP606 CP607 CP608 CP609 CP610 IC631 CP611 IC632 1 4 5 8 CP612 CP613 CP614 CP615 CP616 CP617 CP618 CP619 CP620 R700 R701 R702 R703 R704 R705 R720 R723 R724 R726 R727 R730 R731 R733 R734 C707 C708 C709 C710 C711 C712 C713 C714 C716 C717 C718 C719 C727 C731 C732 C733 C734 C735 C737 C738 C741 C...

Page 76: ...9 R730 R731 R732 R733 R734 R735 R736 R737 R738 R739 C700 C701 C703 TH700 R740 C704 TH701 R741 C705 C706 R743 C707 R744 C708 R745 C709 R747 C710 C711 C712 C713 C714 C715 C716 R753 C717 R754 C718 C719 R758 C720 C721 C722 C723 C724 C725 R762 C726 C852 R763 C727 C728 C729 R767 C730 C731 C732 C733 C734 C735 R772 C736 R773 C737 R774 C738 R775 C739 R776 R777 R778 R779 C740 C741 C742 C743 R780 C744 C745 R...

Page 77: ...356 C357 C358 C359 C360 C361 C362 C363 C364 C365 C366 C367 C368 TC350 C369 TC351 C370 C371 C372 C373 C374 C375 C377 C378 C379 IC300 1 10 11 20 C383 C350 D350 D351 D352 D353 G S D G S D CN350 CN300 GND SRR 8CL CV 9CL NC FIN 5C LDR EPR DT CP REF 1 7 6 1 CN350 CN300 NC 9CL CV 8CL SRR GND REF CP DT EPR LDR 5C FIN 7 1 1 6 J72 0751 02 A 2 J72 0751 02 A 2 J72 0751 02 B 2 J72 0751 02 B 2 TKR 850 PC BOARD ...

Page 78: ... C360 C361 C362 C363 C364 C365 C371 C366 C367 TC350 C369 C368 TC351 C370 C374 C375 C377 C378 C379 C382 C383 C352 C350 D350 D351 D352 D353 CN351 GND VO 2 1 CN350 CN300 GND STT 8CL CV 9CL MO FIN 5C LDR EPT DT CP REF 1 7 6 1 VO GND 1 2 CN351 G S D G S D CN350 CN300 MO 9CL CV 8CL STT GND REF CP DT EPT LDR 5C FIN 7 1 1 6 IC300 1 10 11 20 J72 0752 12 A 2 J72 0752 12 A 2 J72 0752 12 B 2 J72 0752 12 B 2 P...

Page 79: ...00p C109 100p C108 0 1u R77 150k C106 0 1u 1 2 3 4 VCC 5 ToVER DC SWITCH THERMOSTAT SURGE PROTECTOR FAB FINAL UNIT X45 3740 XX A 2 FAG D10 DC SWITCH X45 3740 XX 0 11 0 12 0 10 K3 K2 K E TX RX UNIT X57 696X XX A 2 CN19 TX RX UNIT X57 696X XX A 2 CN16 2SC5110 O Q1 C10 R7 C18 2SC3356 R24 Q2 RF AMP Q1 3 IC1 MAX6502UKP035 GND1 GND2 HYST IC2 NJM78L05UA VOLTAGE REGULATOR C100 D10 C99 C3 C101 C172 C171 3 ...

Page 80: ... D56 MA4PH633 C155 470p C179 3p C178 3p D55 MA4PH633 C157 470p 0 C165 470p L16 10n L17 18n R73 100 C166 470p R44 0 C61 82p C42 22p C168 22p C169 56p C173 22p 22p E B B X45 3740 XX B 2 GND GND W4 W5 B2 B1 DC AMP B2 B1 GND MAIN DC BACK UP BATTERY PROTECT OF REVERSE CONNECTION D51 52 FINAL AMP W3 CURRENT PROTECTOR RF DETECTOR D4 5 CHARGE TX DRIVE AMP 0 11 0 10 0 12 X45 3740 XX TX ANT RX ANT SW K E K3...

Page 81: ...6p C173 22p 22p DC SWITCH E B B X45 3740 XX B 2 GND GND W4 W5 B2 B1 DC AMP THERMOSTAT B2 B1 GND MAIN DC BACK UP BATTERY PROTECT OF REVERSE CONNECTION D51 52 FINAL AMP SURGE PROTECTOR FAB FINAL UNIT X45 3740 XX A 2 FAG D10 W3 CURRENT PROTECTOR RF DETECTOR D4 5 CHARGE TX DRIVE AMP DC SWITCH X45 3740 XX 0 11 0 12 0 10 0 11 0 10 0 12 X45 3740 XX TX ANT RX ANT SW K E K3 K2 K3 K2 K E TX RX UNIT X57 696X...

Page 82: ... 1 2W R522 820 1 2W R526 820 1 2W R521 820 1 2W R523 820 1 2W C519 0 01u C511 0 01u C512 0 01u VR601 10k CN601 1 2 3 4 5 6 7 8 9 10 11 CN501 1 2 3 4 5 6 7 8 9 10 11 D601 DA204U D602 DA204U D506 LA 501DD 1 10 6 5 C501 10u10 R502 0 R534 1k R535 1k R536 1k R537 1k R538 1k R539 1k R540 1k D512 DA204U D513 DA204U D514 DA204U C607 0 1u 2SK1824 Q525 R606 47k KEY5 KEY1 KEY3 KEY2 KEY2 KEY3 KEY1 KEY4 PF6 PF...

Page 83: ... Q510 DTA114EUA R505 68k VR501 10k CN502 MIG MIC VLI 5C K4 K5 K2 K3 K1 HK RXD SOE PTT TXD STB1 CLK DAT PSW GND NC SB SB D503 B30 2151 05 D504 B30 2151 05 2SA1586 Y GR Q502 S507 R516 1 2k 1 2W D507 LA 501DD 1 10 5 6 R541 10k R542 10k R543 10k R544 10k R518 1 2k 1 2W KEY5 KEY1 KEY2 KEY4 KEY3 CALL TX BACKUP MAIN DC MIC AMP LEVEL CONTROLLER AF DETECTOR 7SEGMENT DC SW CLK SOE BUSYC SHIFT REGISTER DC SW...

Page 84: ...TXD STB1 CLK DAT PSW GND NC SB SB VR601 10k D503 B30 2151 05 D504 B30 2151 05 2SA1586 Y GR Q502 CN601 1 2 3 4 5 6 7 8 9 10 11 CN501 1 2 3 4 5 6 7 8 9 10 11 S507 D601 DA204U D602 DA204U R516 1 2k 1 2W D506 LA 501DD 1 10 6 5 D507 LA 501DD 1 10 5 6 C501 10u10 R502 0 R534 1k R535 1k R536 1k R537 1k R538 1k R539 1k R540 1k D512 DA204U D513 DA204U D514 DA204U R541 10k R542 10k R543 10k R544 10k C607 0 1...

Page 85: ...LATION FREQUENCY CONTROL U TXVCO Used for K3 U TXVCO Used for K E K2 X58 4810 XX X58 4810 XX X58 4810 XX A2 SUB UNIT TX VCO PLL A2 SUB UNIT TX VCO PLL A2 SUB UNIT TX VCO PLL TX RX UNIT C233 0 01u GND STT 8CL CV 9CL MO CLOCK DATA STROBE VSS RFIN RFIN VCCP REFIN RA AUXIN PHA VSSA PHI PHP VDDA RN RF LOCK TEST VDD C304 1000p C306 0 01u C305 1000p OUT VDC B IN B IN BOUT V K2 K3 K E K3 K2 K2 K3 K E K E ...

Page 86: ...p R359 47 C376 470p CP C357 470p R306 22 C371 10p IC2 NJM4558E 1 AOUT 2 A IN 3 A IN 4 V 5 6 7 8 R300 10 R88 1k R318 0 R362 4 7k IC300 SA7025DK 1 2 3 4 5 6 7 8 9 10 11 PHA 12 VSSA 13 PHI 14 PHP 15 VDDA 16 RN 17 RF 18 LOCK 19 TEST 20 VDD C386 C351 470p C350 470p C116 10p L32 10u C117 10p R175 R162 270 L356 L357 MO MB MB FREQUENCY CONTROL FREQUENCY CONTROL PLL DC SW FREQUENCY CONTROL A3 SUB UNIT RX V...

Page 87: ... 150 C14 C15 L33 R171 0 C211 L4 C8 C7 C4 470p R5 100 L2 R2 1 2k L5 C5 470p R3 1k 1k C251 C215 C3 L6 L3 C210 R173 C2 MB DC SW MO DC SW RF AMP RF AMP RF AMP 8C W N TX SW VOLTAGE REGULATOR W N 8TC RF AMP 8T 5CR VO VOLTAGE REGULATOR VOLTAGE REGULATOR VOLTAGE REGULATOR VOLTAGE REGULATOR DC SW MO DC SW MB WIDE NARROW SW DC SW CURRENT CONTROLL WIDE NARROW SW 15n 15n L26 22n 0 12 0 13 X57 696X XX 0 11 2 7...

Page 88: ...0u10 SRR C66 330p R60 10k C190 1000p R72 330k CN16 E40 5632 05 1 GND 2 NC 3 8T 4 PC 5 FAS 6 FDT 7 BUP 8 TMP R47 15k C208 100p FCT C73 0 1u L43 L20 1u C163 0 01u R53 6 8k C213 0 01u R69 3 3k R65 4 7k C68 0 1u C57 0 01u C76 47u10 CN18 E04 0154 05 C218 0 01u R71 82k C55 0 01u C59 15p C185 1000p C60 0 01u R161 470 R160 470 R181 1 8k R164 270 R178 0 D7 1SS355 L36 L38 L40 L39 L37 L35 R169 3 9k IC9 TK144...

Page 89: ...3 C356 C360 R353 TC351 8p C365 D354 Q351 C382 470p R359 L362 R355 C355 C357 C362 R375 L357 C366 R366 10k CN351 1 VO 2 GND L360 R367 82 TC350 L355 C358 R351 CN350 1 2 3 4 5 6 C379 4p R376 C235 L45 C224 C251 C215 C3 L6 L3 C210 R173 C2 MB DC SW MO DC SW DC SW MO RF AMP MB WIDE5kHz WIDE4kHz SWITCH MB NOISE DETECTION FREQUENCY CONTROL FREQUENCY CONTROL PLL SURGE PROTECTOR DC SW RF AMP SHIFT REGISTER RF...

Page 90: ...B 2 8C SB GND SDA SCL DISPLAY UNIT X54 3330 21 A 2 CN502 X57 696X XX A 2 CN14 TX RX UNIT QS Q S Q8 Q7 Q6 Q5 OE VDD TXO TXI RXO AC BC1 BC2 BC3 BC4 PTI CLRC RXI PTO NC GND 8C 8C NC SB SB SB SB NC QS GND GND MO MB GND SOE TMP PSW BUP LD2 FWD STB CK DT LDT LDR EPT EPR CP DP SC RSSI ASQ GND NC DET NC CN602 E40 6009 05 CN600 E40 6102 05 CN601 E40 5701 05 SB SB GND NC DAT PSW STB1 CLK SOE PTT TXD1 K1 HK ...

Page 91: ...DL7 IO4 EPTT CS0 CP603 100 2 R660 47k R651 1k R619 47k C644 R614 47k CP605 1k 2 A12 IO3 A1 D2 1 VCCA DIR A1 A2 A3 A4 A5 A6 A7 A8 GND1 12 GND2 13 24 C641 0 1u R665 47k R645 47k 1 IO5 IO4 5TONE IO2 IO1 BYTE CNVss ENT ENR RESET Xout Vss Xin Vcc NMI BUP TMP INT0 CLK DAT SFT LD1 IO3 BEEP 25 LD2 26 RS EPTT PTT TXD1 RXD1 SCLK SDAT TXD0 RXD0 CP DP RDY ALE HOLD HLDA BCLK RD BHE WR STB INTx HCS CS0 A19 50 A...

Page 92: ... 41 BCLKR0 42 BCLKR1 43 BFSR0 44 BFSR1 45 BDR0 46 HCNTL1 47 BDR1 48 BCLKX0 49 BCLKX1 50 VSS7 51 HINT TOUT1 52 CVDD3 53 BFSX0 54 BFSX1 55 HRDY 56 DVDD3 57 VSS8 58 HD0 59 BDX0 60 BDX1 61 IACK 62 HBIL 63 NMI 64 INT0 65 INT1 66 INT2 67 INT3 68 CVDD4 69 HD1 70 VSS9 71 NC9 72 NC10 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110...

Page 93: ... C724 1800p IC616 NJM4558E 1 2 3 4 5 B IN 6 B IN 7 BOUT 8 V C681 68u6 3 R673 220k C795 100p R672 100k C701 10u10 C730 0 01u DAT C692 0 01u 1 2 VIN 3 VOUT C705 0 01u C776 1u25 R713 27k C823 47u4 Q605 DTC114EUA R657 47k R670 22k C744 10u10 TH701 10k 1 Y1 Y0 Z1 Z Z0 INH VEE 8 VSS 9 16 C778 1u25 R842 0 LRCK R708 22k R738 270k 1 INB 2 INA 3 GND 4 5 R737 47k C643 10u10 C763 1000p TXD0 1 8 9 16 1 IN 2 VE...

Page 94: ...6 R806 1k R772 47k D607 DA204U R810 1k MIS R749 0 R789 1k D626 MINISMDE190 D609 DA204U D606 DA204U C797 1000p L608 C819 1000p L612 Q608 DTC144EUA C789 330u25 R795 1k R767 47k STB D611 DA204U IO5 R798 47k C808 1000p C827 100u10 1 VCC 2 IN 3 NC1 4 DC 5 NFA 6 NFB 7 BS 8 GND 9 NC2 10 OUT C765 0 01u D622 DA204U R787 1k D618 DA204U R786 47k R768 1 2k R793 1k C803 1000p D608 DA204U SC R809 47k C805 1000p...

Page 95: ...3 27k R758 10k DL7 DAT IO4 EPTT CS0 R611 0 D614 DA204U CP603 100 2 C823 47u4 D623 DA204U R660 47k R730 100 Q605 DTC114EUA AI1 R799 1k R651 1k 1 8 9 16 R657 47k C833 0 01u 1 A0 2 A1 3 A2 4 GND 5 SDA 6 SCL 7 WP 8 VCC DP R670 22k C744 10u10 CLK R697 100 R693 0 R619 47k TH701 10k C644 R604 33k R614 47k CN605 E40 5704 05 1 SP 2 SPG CP605 1k 2 1 Y1 Y0 Z1 Z Z0 INH VEE 8 VSS 9 16 1 2 3 4 5 6 7 8 9 10 11 1...

Page 96: ...Shift Reg 2 IC504 BU4094BCFV Shift Reg 1 IC503 BU4094BCFV SW SW SW Q510 Q511 DTA114EUA x 5 SW SW SW Q508 AMP ATT DET D501 502 HSM88AS VR501 IC501 NJM4558E Q501 2SC4116 Y Q502 2SA1586 Y GR MIC Q516 519 UPA627T Q521 524 UPA627T KEY1 5 S501 S502 S503 S504 S505 PF1 5 Q512 514 UPA627T D506 D507 S507 Power source SW Main DC Back UP BUSY CALL TX D505 D504 D503 VLI PSW DAT SO SI SI SO SO SI CLK SOE STB1 C...

Page 97: ... STDO STDI BDR0 BDX0 INV IC612 TC7S04FU DIVIDER IC613 TC74VHC4040FT SCLK LRCLK MCLK BCLK SCLK CODEC IC614 AK4550VT AF AMP IC629 LA4422 MUTE Q606 DTC363EK SW INV AMPSW Q610 2SJ506 S Q609 DTC114EUA SB AF SW INV Q605 DTC114EUA IC622 TC7S66FU AM SPM IC621 TC7S00FU LPF AMP IC616 B 2 NJM4558E IC616 A 2 NJM4558E IC619 A 2 NJM4558E LPF AMP IC619 B 2 NJM4558E AOUTR AOUTL SW TD TDS IC605 B 2 BU4053BCF SW SF...

Page 98: ...UP PDT 9V AVR IC5 AN8009M LIPPLE 9CLR 9CLT LIPPLE Q15 2SC4116 GR Q14 2SC4116 GR SW 8R 8V AVR IC10 TA7808F Q16 2SB1132 Q R 8RC INV Q17 DTC114EUA SW PSW 8V AVR K1 IC4 NJM7808FA SW 5V AVR 8T 5CT INV 8TC Q18 2SB1386 R IC11 NJM78L05UA Q19 DTC114EUA DC AMP TCXO X3 16 8M FCT MB IC1 NJM4558E EPT CP DP A2 TX VCO IC300 SA7025DK Q350 351 2SK508NV K52 D350 353 1SV282 X1 44 395MHz Buff Q11 2SC3356 R24 TCXO FCR...

Page 99: ... power is tuned off 2 When using the external speaker remove the jumper lead from the connector and attach the speaker cable 3 When not using the external speaker replace the jumper lead and insert the connector into the speaker jack pin9 and 12 Specifications Maximum input power 40W Impedance 4Ω Dimensions W x H x D 129 x 129 x 77 mm projection not included 5 1 16 x 5 1 16 x 3 inches Weight 820g ...

Page 100: ... to 140 F Dimensions 483 19 W x 88 3 1 2 H x 340 13 1 3 D mm inch Weight 9 7kg 21 4 lbs RECEIVER Measured by TIA EIA 603 Sensitivity 12dB SINAD 0 35µV 116dBm 20dB Quieting 0 45µV 114dBm Selectivity Wide 83dB 25kHz Narrow 75dB 12 5kHz Intermodulation Wide 78dB 25kHz 50kHz Narrow 75dB 12 5kHz 25kHz Hum and Noise Wide 50dB Narrow 45dB Spurious Image Rejection 90dB Audio Output Ext Speaker 4W at 4Ω le...

Page 101: ...1GHz 30dBm 1GHz FM Noise EIA 25kHz 50dB 12 5kHz 45dB Modulation Distortion Less than 3 at 1000Hz Microphone Impedance 600Ω Band Spread 30MHz KENWOOD CORPORATION 2967 3 Ishikawa machi Hachioji shi Tokyo 192 8525 Japan KENWOOD U S A 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 K...

Search results

Summary of Contents for TKR-850

Reviews:

Related manuals for TKR-850

Brands by name

Popular brands

Kenwood TKR-850, Service Manual

Search results

Summary of Contents for TKR-850

Reviews:

Related manuals for TKR-850

Brands by name

Popular brands