Kenwood TKR-851 Service Manual Download

Page: 85 / 101

TKR-851

SCHEMATIC DIAGRAM

X57-696 (A/2) 1/4

R372

100k

R17

820k

C304

1000p

C310

0.1u

R313

2.2k

5CT

R20

220k

C25

10u10

C319

470p

R353

C315

0.047u

R322

10k

D354

1SV214

LDT

C354

470p

16.8MHz

GND

OUT

+VDC

R90

R359

C383

470p

R316

1.5k

C360

0.1u

R319

L352

EPT

D352

1SV282

C370

TC350

C329

470p

C377

470p

R151

STT

8CT

C320

2.2u10

R153

R301

100

R302

100

C86

1000p

C312

R373

100k

C115

10p

9CLT

R321

27k

C321

FCT

C317

C378

470p

FIN

LDT

EPT

REF

C306

0.01u

R19

470k

C89

0.01u

R78

47k

R320

3.3k

2SC4116(GR)

Q301

R366

10k

R315

150

R317

CN351

GND

L353

R87

CN300

C362

12p

C323

0.22u

C330

470p

R311

10k

C318

2.2u10

R314

470k

C368

R308

8CLT

C379

R365

33k

R318

R367

L303

22n

C308

0.1u

C307

470p

R152

C82

0.01u

L302

15n

R310

3.3k

C356

R79

100k

C87

10u10

C80

10u10

L354

R368

L362

33n

L301

15n

C325

C380

0.5p

R351

C382

470p

R303

100

C305

1000p

L360

R354

L300

C231

22u10

R312

330

R74

C314

12p

R304

100

C24

10u10

C374

0.5p

R154

R306

R300

C309

0.1u

C322

470p

C179

0.01u

CN350

C311

0.1u35

R305

R82

470k

5CT

R309

220

C324

0.22u35

D350

1SV282

L304

L305

L306

2SC4226(R24)

Q302

L358

C366

R376

180

C364

470p

C352

100p

C351

470p

C350

470p

C359

1.5p

IC300

SA7025DK

PHA

VSSA

PHI

PHP

VDDA

LOCK

TEST

VDD

C223

100p

C233

0.01u

C232

0.01u

L31

10u

C114

10p

IC1

NJM4558E

AOUT

A-IN

A+IN

-V

C28

L42

6.8n

C29

R179

R174

R18

680k

C234

0.01u

L307

U-TXVCO

FREQUENCY
CONTROL

MODULATION

D354

VCO OSC

Q350

PLL

BUFFER
AMP

ACTIVE
FILTER

TX-RX UNIT (X57-6962-70) (A/2)

A2 SUB UNIT (TX VCO/PLL) (X58-4810-10)

BUFFER
AMP

FREQUENCY
CONTROL

ACTIVE
FILTER

BUFFER AMP

D350

(TP102)

TX-CV

GND

STT

8CL

9CL

GND

STT

8CL

9CL

2SK508NV(K52)

Q350

GND

2SC4226(R24)

Q355

CLOCK

DATA

STROBE

VSS

RFIN

VCCP

REFIN

AUXIN

FIN

LDT

EPT

REF

B+IN

B-IN

BOUT

2SC4116(GR)

Q300

L356

L34-4645-05

-6.0dBm

Note : The components marked with
a dot (

•

) are parts of layer 1.

Summary of Contents for TKR-851

Page 1: ... 3414 05 Fuse Blade 10A 32V F06 1032 05 x 2 GENERAL 2 SYSTEM SET UP 2 OPERATING FEATURES 3 REALIGNMENT 4 INSTALLATION 5 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 3742 71 52 DISPLAY UNIT X54 333...

Page 2: ...ecautions are recommended 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 circu...

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: ... Firmware 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 851 repeater is programmed by using a personal computer programming interface and KPG 91D software 3 2 Connection Procedure 1 Connect t...

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: ...he CHARGE land near R61 Notes 1 Make this modification after removing the DC power sup ply and battery for safety 2 When the DC power supply is connected after the modifi cation DC voltage is output to the Backup connector Be careful during setup 3 When the backup battery is used for a long time remove the battery from the repeater and recharge it because the trickle charge is not sufficient for r...

Page 10: ...l assembly ABS without removing the top panel A62 0840 03 1 To remove panel TX RX w loose 6 screws q 2 To remove panel assembly Front r loose 6 screws e 3 The panel assembly ABS is security fastened by 4 tabs t on top and bottom You can remove the panel as sembly by pulling to front while you are pulling up the tabs ...

Page 11: ...ds 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 row to further remove spurious signals...

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: ...sor 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 b...

Page 14: ...IC300 buffer amplifier Q355 and high frequency 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 4...

Page 15: ... 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 see the operation manual for de tails of display D503 red tra...

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: ...le charging of 0 5 A 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 5 A 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: ... Not used No 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 3742 71 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 Vo...

Page 21: ...ET DC 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 switc...

Page 22: ...30 470 750 Tolerance More than 10pF Code C D G J K M X Z P No code 0 25 0 5 2 5 10 20 40 80 100 More than 10µF 10 50 20 20 0 Less than 4 7µF 10 75 Voltage rating 2nd word A B C D E F G H J K V 1st word 0 1 0 1 25 1 6 2 0 2 5 3 15 4 0 5 0 6 3 8 0 1 10 12 5 16 20 25 31 5 40 50 63 80 35 2 100 125 160 200 250 315 400 500 630 800 3 1000 1250 1600 2000 2500 2150 4000 5000 6300 8000 CHIP CAPACITORS EX C ...

Page 23: ... 1B 2B G02 0576 14 FLAT SPRING 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 48 1F G13 1801 04 CUSHION ACCESSORY 49 1F G13 1802 04 CUSHION ACCESSORY 50 2B G13 1886 04 CUSHION CHASSIS 58 2C G13 2054 04 CUSHION 52 1E H25 0029 04 PROTECTION BAG 60 110 0 07 53 1F ...

Page 24: ... CK73FB1H223K CHIP C 0 022UF K C121 122 CM73F2H150J CHIP C 15PF J C123 124 CM73F2H220J CHIP C 22PF J C160 CM73F2H471J CHIP C 470PF J C165 166 CK73FB1H471K CHIP C 470PF K CN1 E04 0154 05 PIN SOCKET CN3 E40 5632 05 PIN ASSY CN4 E40 3246 05 PIN ASSY CN5 E40 5703 05 PIN ASSY CN6 8 E23 0462 05 TERMINAL F1 F53 0190 05 FUSE CN51 52 J13 0071 05 FUSE HOLDER L1 L40 1075 92 SMALL FIXED INDUCTOR 10NH L2 L40 1...

Page 25: ...0 33UF K C601 CC73GCH1H101J CHIP C 100PF J C602 CK73GB1H102K CHIP C 1000PF K C603 CC73GCH1H101J CHIP C 100PF J C606 CC73GCH1H101J CHIP C 100PF J C607 CK73GB1C104K CHIP C 0 10UF K CN501 E40 6140 05 PIN ASSY CN502 E40 6102 05 PIN ASSY CN601 E40 6141 05 PIN ASSY J601 E08 0877 05 MODULAR JACK J31 0543 05 COLLAR LH 5 1 5 CP501 504 RK75GB1J471J CHIP COM 470 J 1 16W R502 503 R92 1252 05 CHIP R 0 OHM J 1 ...

Page 26: ...P C 470PF K C104 CK73GB1H471K CHIP C 470PF K C105 CC73GCH1H070D CHIP C 7 0PF D C106 CK73GB1H471K CHIP C 470PF K C107 CC73GCH1H060D CHIP C 6 0PF D C109 CC73GCH1H120J CHIP C 12PF J C111 CC73GCH1H060D CHIP C 6 0PF D C114 117 CC73GCH1H100D CHIP C 10PF D C120 121 CK73GB1H471K CHIP C 470PF K C122 123 CK73GB1H103K CHIP C 0 010UF K C124 125 C92 1341 05 ELECTRO 100UF 16WV C126 127 C92 0633 05 CHIP TAN 22UF...

Page 27: ... 05 CHIP TAN 10UF 10WV C734 CC73GCH1H270J CHIP C 27PF J C735 CC73GCH1H150J CHIP C 15PF J C736 CK73GB1H182K CHIP C 1800PF K C737 CC73GCH1H270J CHIP C 27PF J C738 CK73GB1E103K CHIP C 0 010UF K C739 CC73GCH1H181J CHIP C 180PF J C740 CC73GCH1H101J CHIP C 100PF J C741 CK73GB1E103K CHIP C 0 010UF K C742 CK73GB1H471K CHIP C 470PF K C743 CK73GB1E103K CHIP C 0 010UF K C744 746 C92 0628 05 CHIP TAN 10UF 10W...

Page 28: ...ITE CHIP L42 L40 6865 92 SMALL FIXED INDUCTOR 6 8NH L43 L92 0140 05 FERRITE CHIP L600 608 L92 0140 05 FERRITE CHIP L611 613 L92 0140 05 FERRITE CHIP X1 L77 1762 05 CRYSTAL RESONATOR 44 395MHZ X2 3 L77 1849 05 VCXO 16 8MHZ 1 5PP X600 L78 0431 05 RESONATOR 14 7456MHZ X601 L77 1799 05 CRYSTAL RESONATOR 16 515MHZ XF1 L71 0513 05 MCF 44 85MHZ NARR XF2 L71 0627 05 MCF 44 85MHZ WIDE CP600 601 R90 0725 05...

Page 29: ...GB1J271J CHIP R 270 J 1 16W R165 RK73GB1J471J CHIP R 470 J 1 16W R166 RK73GB1J223J CHIP R 22K J 1 16W R168 R92 1252 05 CHIP R 0 OHM J 1 16W R169 RK73GB1J392J CHIP R 3 9K J 1 16W R171 R92 1252 05 CHIP R 0 OHM J 1 16W R174 175 R92 1252 05 CHIP R 0 OHM J 1 16W R176 RK73GB1J473J CHIP R 47K J 1 16W R178 179 R92 1252 05 CHIP R 0 OHM J 1 16W R181 RK73GB1J182J CHIP R 1 8K J 1 16W R182 R92 1252 05 CHIP R 0...

Page 30: ...HIP R 47K J 1 16W R773 RK73GB1J102J CHIP R 1 0K J 1 16W R774 RK73GB1J105J CHIP R 1 0M J 1 16W R775 RK73GB1J473J CHIP R 47K J 1 16W R776 RK73GB1J102J CHIP R 1 0K J 1 16W R777 RK73GB1J473J CHIP R 47K J 1 16W R778 RK73GB1J102J CHIP R 1 0K J 1 16W R779 RK73GB1J473J CHIP R 47K J 1 16W R780 RK73GB1J102J CHIP R 1 0K J 1 16W R781 RK73GB1J471J CHIP R 470 J 1 16W R782 RK73GB1J473J CHIP R 47K J 1 16W R783 RK...

Page 31: ...600 2SK1824 FET Q601 DTC114EUA DIGITAL TRANSISTOR Q602 2SK1824 FET Q603 DTC114EUA DIGITAL TRANSISTOR Q604 2SK1824 FET Q605 DTC114EUA DIGITAL TRANSISTOR Q606 DTC363EU DIGITAL TRANSISTOR Q607 608 DTC144EUA DIGITAL TRANSISTOR Q609 DTC114EUA DIGITAL TRANSISTOR Q610 2SJ506 S FET Q611 DTC114EUA DIGITAL TRANSISTOR Q612 DTC144EUA DIGITAL TRANSISTOR Q613 614 DTD123TK DIGITAL TRANSISTOR Q615 DTC144EUA DIGIT...

Page 32: ...311 C92 0001 05 CHIP C 0 1UF 35WV C312 CC73GCH1H060D CHIP C 6 0PF D C314 CC73GCH1H120J CHIP C 12PF J C315 CK73FB1H473K CHIP C 0 047UF K C317 CC73GCH1H060D CHIP C 6 0PF D C318 C92 0514 05 CHIP TAN 2 2UF 10WV C319 CK73GB1H471K CHIP C 470PF K C320 C92 0514 05 CHIP TAN 2 2UF 10WV C321 CC73GCH1H040C CHIP C 4 0PF C C322 CK73GB1H471K CHIP C 470PF K C323 CK73FB1E224K CHIP C 0 22UF K C324 C92 0002 05 CHIP ...

Page 33: ...J470J CHIP R 47 J 1 16W R365 RK73GB1J333J CHIP R 33K J 1 16W R366 RK73GB1J103J CHIP R 10K J 1 16W R367 RK73GB1J820J CHIP R 82 J 1 16W R368 RK73GB1J330J CHIP R 33 J 1 16W R372 373 RK73GB1J104J CHIP R 100K J 1 16W R376 RK73GB1J181J CHIP R 180 J 1 16W D350 1SV282 VARIABLE CAPACITANCE DIODE D352 1SV282 VARIABLE CAPACITANCE DIODE D354 1SV214 VARIABLE CAPACITANCE DIODE IC300 CD8468 MOS IC IC300 SA7025DK...

Page 34: ...x4 Display 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 300...

Page 35: ...8 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: ... bag 709 Carton board 57 Item carton case H52 2013 02 17 DC cord E30 3427 15 54 Protection bag H25 0762 04 65 Handle K01 0418 05 18 TEST SPKR plug E31 3228 05 35 Fuse Blade 10A 32V F06 1032 05 52 Protection bag H25 0029 04 11 Instruction manual B62 1774 00 E B62 1775 00 K 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 Binding head machine...

Page 37: ...z 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 The following parts are required for adjustment Test cable for local microphone The following test ca...

Page 38: ...1 VCO B A3 RX VCO X58 480 TX RX UNIT X57 696 A 2 Component side view FINAL UNIT X45 374 A 2 Component side view ANT Q5 TH1 Q4 CN3 1 8 VR1 CN1 TX IN 1 3 CN4 CN5 2 1 CHARGE CN8 GND BLACK CN6 MAIN DC RED CN7 BACKUP ORANGE MCF Wide MCF Narrow Test Channel Default No K E RX TX RX TX 1 450 10 450 00 440 10 440 00 2 465 10 465 00 455 10 455 00 3 479 90 480 00 469 90 470 00 4 455 10 455 00 445 10 445 00 5...

Page 39: ...to check the DQT balance The 5 tone and W4 kHz adjustments are 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...

Page 40: ...rator A 2 L4 you are using then spectrum analyzer input L5 adjust it to look like Spectrum analyzer setting Spectrum TX RX CN1 the wave Fig 1 Span 50MHz analyzer A 2 Page 38 Scale 10dB to 5dB div Tracking generator setting Output 30dBm 14 MCF 1 Connect the TG to CN2 then CN2 L14 Adjust it to look like Wide connect CN4 to the spectrum CN4 L17 the wave Fig 2 analyzer input L18 Page 38 CH 2 Wide Spec...

Page 41: ...pening squelch 12dB SINAD level analyzer jack SPO SSG MOD 1kHz VTVM pin 12 SSG DEV 3kHz Oscilloscope AF 2V 4Ω Wide 4kHz 2 CH 2 Wide 4kHz PC adj SSG output 7dB over to Adjust to point of 12dB SINAD level opening squelch SSG MOD 1kHz SSG DEV 2 4kHz AF 2V 4Ω Narrow 3 CH 2 Narrow PC adj SSG output 7dB over to Adjust to point of 12dB SINAD level opening squelch SSG MOD 1kHz SSG DEV 1 5kHz AF 2V 4Ω 18 R...

Page 42: ...ide 4kHz 2 Low CH TX VCO low PC adj 0 1kHz Center CH VCO center 3 4kHz High CH TX VCO high Transmission Narrow 3 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 Deviation be sure to check the DQT balance 21 DQT 1 CH 2 MOD ANA Rear TX OUT PC adj Oscilloscope DC range balance Deviation meter filter or Make the de flat A p...

Page 43: ...OFF Transmission Wide 4kHz 2 CH 2 PC adj 0 1kHz Transmission 2 4kHz Narrow 3 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 jack AG ...

Page 44: ...ssion 0 8kHz Narrow 3 CH 2 PC adj 0 05kHz Transmission 0 5kHz 30 Battery 1 CH 2 PC adj 0 1kHz warning tone Deviation meter filter 3 0kHz deviation HPF OFF Wide LPF 15kHz De emphasis OFF Transmission Wide 4kHz 2 CH 2 PC adj 0 1kHz Transmission 2 4kHz Narrow 3 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 1...

Page 45: ... To accomplish this in the programmed re ceive frequency the transmit frequency must be notched or suppressed by 75dB or more Additionally on the pro grammed transmit frequency the receive frequency must be notched or suppressed by 75dB or more The following fig ures are examples of Duplexer alignment using a spectrum analyzer Ref 10dBm Peak Log 10dB Atten 5dB V1 V2 V3 FC AA Res BW 30kHz VBW 30kHz...

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: ... R26 Q3 D S G R1 R2 R3 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 09 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 TKR 851 PC BOARD FINAL UNIT X45 3742 71 Component side view J72 0911 09 Ref No Address IC3 8J Q1 9H Q2 9G Q3 8F Ref No Address Q4 6I Q5 5L Q...

Page 54: ... C118 C120 C121 C122 8T C123 C124 R22 R23 R24 26 Q8 R31 C165 R34 R35 R36 R37 R38 R40 L17 R73 L16 R41 R44 R45 VR1 C160 R55 R56 R57 R58 R59 R60 R62 R72 CN3 1 4 5 8 PDT VTH Vg PC DET TH1 Q5 G D 1 8 GND NC 8T PC FAS PDT BUP TMP REV FWD ANT J72 0911 09 A 2 PC BOARD TKR 851 FINAL UNIT X45 3742 71 Component side view J72 0911 09 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 ...

Page 55: ... R40 L17 R73 L16 R41 R44 R45 VR1 R46 R47 R48 R49 C160 R55 R56 R57 R58 R59 R60 R61 R62 R72 CN3 C12 C13 C14 C17 GND B2 GND B1 Main DC Back up battery J72 0911 09 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 VTH Vg PC DET TH1 Q5 G D 1 8 GND NC 8T PC FAS PDT BUP TMP REV FWD ANT J72 0911 09 A 2 TKR 851 PC BOARD FIN...

Page 56: ...6 7 8 9 10 11 12 13 14 C49 C50 C52 C53 C91 C92 C93 C94 C95 C96 C97 C106 C107 C108 C109 IC1 R51 R52 R53 J72 0911 09 A 2 1 3 4 6 TKR 851 PC BOARD FINAL UNIT X45 3742 71 Foil side view J72 0911 09 Ref No Address IC1 7J IC2 9O Q9 8O D10 8O ...

Page 57: ...2 C103 C104 C105 C106 C107 C1 IC2 C112 C113 C114 C115 C116 C117 Q9 R6 R7 R50 R51 R52 R54 C10 C15 C18 C19 J72 0911 09 B 2 B1 GND B2 GND B2 GND B1 Main DC Back up battery 1 3 I G O PC BOARD TKR 851 FINAL UNIT X45 3742 71 Foil side view J72 0911 09 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 ...

Page 58: ...8 C109 IC1 IC2 C112 C113 C114 C115 C116 C117 Q9 R6 R7 R50 R51 R52 R53 R54 C10 C15 C18 C19 J72 0911 09 B 2 B1 GND B2 GND B2 GND B1 Main DC Back up battery J72 0911 09 A 2 1 3 4 6 I G O TKR 851 PC BOARD PC BOARD TKR 851 FINAL UNIT X45 3742 71 Foil side view J72 0911 09 FINAL UNIT X45 3742 71 Foil side view J72 0911 09 Ref No Address IC1 7J IC2 9O Q9 8O D10 8O Component side Foil side Layer 1 Layer 2...

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 851 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 851 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 851 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 851 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 851 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 851 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 CF1 WIDE CF2 NARROW Q4 R41 R44 R45 R46 C158 C159 R169 R181 R182 R50 C160 C161 R54 R57 R60 R61 R62 C172 R63 C173 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 C174 R65 R69 R70 CN2 CN4 X1 1 2 IC10 I O G PSW SB 8CR MO WIDE NARROW FCT 9V TKR 851 PC BOARD TX RX UNIT X57 6962 70 A 2 Component side view J72 0924 ...

Page 66: ...C147 R41 C158 C159 C171 C174 CN1 CN2 CN3 9V A10 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 09 A 2 TX RX UNIT X57 6962 70 A 2 Component side view J72 0924 09 A 2 PC BOARD TKR 851 Component side Foil side Layer 1 Layer 2 Lay...

Page 67: ...1 C171 R62 C172 R63 C173 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 C174 R65 R69 R70 CN1 CN2 CN3 CN4 X1 1 2 IC10 I O G PSW SB 8CR MO WIDE NARROW FCT 9V A10 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 9...

Page 68: ...45 C127 R19 C128 R20 C129 R17 C130 R18 C131 C211 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 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...

Page 69: ...L3 L12 L13 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 6962 70 A 2 Foil side view J72 0924 09 A 2 PC BOARD TKR 85...

Page 70: ... C129 R165 R166 L43 R17 C130 R18 C131 C211 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 C1...

Page 71: ... SOE STB1 DAT GND 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 09 B 2 TKR 851 PC BOARD TX RX UNIT X57 6962 70 B 2 Component side view J72 0924 09 B 2 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 Q61...

Page 72: ...05 D626 IC607 1 4 5 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 Q6...

Page 73: ... IC627 O G I IC628 O I G O G I 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 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...

Page 74: ... R758 C720 C721 C722 C723 C724 C725 R762 C726 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 C77...

Page 75: ...6 50 51 75 76 1 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 C...

Page 76: ...R722 R723 R724 R726 R727 R728 R729 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 R763 C727 C728 C729 R767 C730 C731 C732 C733 C734 C735 R772 C736 R773 C737 R774 C738 R775 C739 R776 R777 R778 R779 C740 C74...

Page 77: ...57 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 851 PC BOARD RX VCO...

Page 78: ... 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 PC BOA...

Page 79: ...0p R1 10k 18n R4 22 CN3 1 2 3 4 5 6 7 8 C21 12p R48 470 L1 10n R47 2 2k 2SC5110 O Q1 470p R8 10 470p C104 100p C34 27p C109 100p R2 2 2k R15 18 C1 470p R53 150k C23 470p C119 470p 270 270 TH1 DC SWITCH TMP GND PC 8T THERMOSTAT NC FAS SURGE PROTECTOR FAB RF AMP FINAL UNIT X45 3742 71 A 2 FAG Q1 3 D10 BUP VOLTAGE REGULATOR PDT DC SWITCH TX RX UNIT X57 6270 XX A 2 CN19 TX RX UNIT X57 6270 XX A 2 CN16...

Page 80: ...9 MINISMDC050 02 C120 0 022u 8p D4 HSM88AS C112 470p PD55008S Q4 RD60HUF1 01 Q5 C44 6p C121 15p C122 15p C160 470p R72 180k R31 220k CN5 1 3 K1 MAIN DC E B BACKUP B X45 3742 71 B 2 GND GND W4 W5 B2 VOLTAGE REFERENCE B1 DC AMP B2 B1 GND MAIN DC BACK UP BATTERY PROTECT OF REVERSE CONNECTION D51 52 FINAL AMP W3 CURRENT PROTECTOR RF DETECTOR REVERSE CURRENT PROTECTION D4 5 SURGE PROTECTOR CHARGE GND T...

Page 81: ...100p CN8 C114 470p C72 470p R53 150k D9 MINISMDC050 02 C23 470p C120 0 022u 8p D4 HSM88AS C112 470p C119 470p 270 270 PD55008S Q4 RD60HUF1 01 Q5 C44 6p C121 15p C122 15p C160 470p R72 180k R31 220k TH1 CN5 1 3 K1 DC SWITCH TMP MAIN DC E GND PC B BACKUP B X45 3742 71 B 2 GND 8T GND W4 W5 B2 VOLTAGE REFERENCE B1 DC AMP THERMOSTAT B2 NC B1 GND FAS MAIN DC BACK UP BATTERY PROTECT OF REVERSE CONNECTION...

Page 82: ...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 PF5 PF4 PF3 PF2 PF1 DISPLAY UNIT X54 3330 21 A 2 7SEGMENT DC ...

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: ...p R351 0 C382 470p 1 2 3 4 5 6 R303 100 C305 1000p L360 1u R354 33 L300 C231 22u10 R312 330 R74 22 C314 12p R304 100 C24 10u10 C374 0 5p R154 1k R306 22 R300 10 C309 0 1u C322 470p C179 0 01u CN350 1 2 3 4 5 6 C311 0 1u35 R305 0 R82 470k 5CT R309 220 C324 0 22u35 D350 1SV282 L304 L305 L306 2SC4226 R24 Q302 L358 1u C366 7p R376 180 C364 470p C352 100p C351 470p C350 470p C359 1 5p IC300 SA7025DK 1 ...

Page 86: ...5u C306 0 01u L303 22n C310 0 1u C358 1 5p C320 2 2u10 C321 4p R302 100 C317 7p L354 1u R303 100 C91 4p C367 7p R322 10k C372 470p R355 33 C354 470p R311 10k R155 1k C90 0 01u C84 0 01u FIN 9 5C 10 LDR 11 EPR 12 DP 13 CP 14 REF 15 C322 470p 2SC4116 GR Q301 C311 0 1u35 C365 470p 5CR 7 8 C366 7p C375 0 5p R359 47 C376 470p CP C305 1000p C357 470p R306 22 C371 10p IC2 NJM4558E 1 AOUT 2 A IN 3 A IN 4 ...

Page 87: ...34 0 01u C40 0 01u C93 470p C159 470p 9CLT 8CR D1 DAN235K C128 0 01u C123 0 01u 2 COM 3 IN 1 OUT C140 0 01u R123 10 C101 5p D2 DAN235K R109 100 C166 470p C132 470p C141 0 01u 2SB1386 R Q18 L10 150n L28 18n C98 470p 2SB1132 Q R Q16 C152 0 01u C94 3p R168 0 2SC3356 Q8 2SC3356 Q9 C102 470p R107 47 R105 27 C105 7p C104 470p L27 22n R102 3 3k 2SC3357 Q10 R113 470 R145 47 R148 4 7k R135 5 6 R134 820 R13...

Page 88: ... D4 DAN235K C62 0 01u R56 6 8k LDR DP LDT C198 0 1u R62 2 2k C78 0 1u TH1 Q6 DTC144EUA C216 470p R165 470 C204 100p R182 0 D11 02DZ5 1 Y C72 10u10 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 R7...

Page 89: ...1000p L16 L34 4527 05 L354 1u L43 C33 33p R303 100 C91 4p C367 7p R99 100 R94 100 L360 1u R354 33 L20 1u R322 10k R100 68 C134 0 01u C163 0 01u C40 0 01u C372 470p R53 6 8k C93 470p L300 C159 470p C231 22u10 R355 33 C213 0 01u R312 330 9CLT C354 470p R69 3 3k R311 10k R155 1k 8CR C90 0 01u R65 4 7k C84 0 01u FIN 9 5C 10 LDR 11 EPR 12 DP 13 CP 14 REF 15 C68 0 1u R74 22 D1 DAN235K C314 12p C128 0 01...

Page 90: ... 0 R607 0 R600 47k SOE TMP DAT R611 0 IC600 AT24C08A10SI18 1 A0 2 A1 3 A2 4 GND 5 6 7 8 DP R604 33k KEY5 DC SW SHIFT REGISTER TX RX UNIT X57 6962 70 B 2 SURGE PROTECTOR VOLTAGE DETECTOR EEP ROM D600 DA204U CN600 E40 6102 05 SB SB GND NC DAT PSW STB1 CLK SOE PTT TXD1 K1 HK RXD1 K2 K3 K4 K5 VLI 5C MIG MIC DISPLAY UNIT X54 3330 21 A 2 CN502 CN602 E40 6009 05 X57 6962 70 A 2 CN14 TX RX UNIT TXO TXI RX...

Page 91: ...1 HBIL D0 R625 1k HCNTL0 DL0 A11 LD2 LDR D5 DL4 D3 LD1 R621 1k A17 DL7 IO4 EPTT CS0 CP603 100 2 R660 47k A15 R651 1k R619 47k C644 0 01u A9 R614 47k CP605 1k 2 SOE A12 IO3 A1 D2 IC606 TC74LVX4245FS 1 VCCA DIR A1 A2 A3 A4 A5 A6 A7 A8 GND1 12 GND2 13 24 C641 0 1u R665 47k A10 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 2...

Page 92: ...6 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 NC7 38 NC8 39 HCNTL0 40 VSS6 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 NC11 74 NC12 75 DVDD4 76 VSS...

Page 93: ...85 0 01u R709 22k R676 82k C726 180p C663 1u25 R843 270k R741 150k 1 2 3 4 5 B IN 6 B IN 7 BOUT 8 V R658 47k 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 C704 0 1u C701 10u10 C730 0 01u DAT C692 0 01u 1 VSS 2 VIN 3 VOUT C705 0 01u C776 1u25 R713 27k C823 47u4 Q605 DTC114EUA R657 47k R670 22k C744 10u10 TH701 10k C657 0 01u 1 Y1 Y0 Z1 Z Z0 INH...

Page 94: ...O6 R806 1k R772 47k R810 1k MIS R749 0 R789 1k D626 MINISMDE190 D606 DA204U C797 1000p L608 C819 1000p L612 Q608 DTC144EUA C789 330u25 R795 1k R767 47k STB IO5 R798 47k C808 1000p C827 100u10 IC629 LA4422 1 VCC 2 IN 3 NC1 4 DC 5 NFA 6 NFB 7 BS 8 GND 9 NC2 10 OUT C765 0 01u R787 1k D618 DA204U R786 47k R768 1 2k R793 1k C803 1000p D608 DA204U SC R809 47k C805 1000p R753 47k C804 1000p D610 DA204U Q...

Page 95: ...4 0 1u PSW C701 10u10 C838 0 01u IO3 LD2 TMP C730 0 01u DAT R699 0 LDR R780 1k D5 C707 0 01u C692 0 01u DL4 D3 LD1 1 VSS 2 VIN 3 VOUT C830 0 01u R779 47k R765 1k R621 1k C705 0 01u C753 10u10 R705 47k IC612 TC7S04FU 1 NC 2 IN 3 GND 4 5 C693 10u10 C754 10u10 C742 470p C776 1u25 Q613 DTD123TK C816 1000p A17 R720 47k DL5 R713 27k R758 10k DL7 DAT IO4 EPTT CS0 R611 0 D614 DA204U CP603 100 2 C823 47u4 ...

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: ...P 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 2SK508NV K52 D350 351 1SV282 X1 44 395MHz Buff Q11 2SC3356 R24 TCXO FCR X2 1...

Page 99: ...s 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 51 16 x 5 1 16 x 3 inches Weight 820g ...

Page 100: ...3 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 less than 5 distortion Au...

Page 101: ...s Emission 36dBm 1GHz 30dBm 1GHz FM Noise EIA 25kHz 50dB 20kHz 48dB 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 Mississa...

Search results

Summary of Contents for TKR-851

Reviews:

Related manuals for TKR-851

Brands by name

Popular brands

Kenwood TKR-851, Service Manual

Search results

Summary of Contents for TKR-851

Reviews:

Related manuals for TKR-851

Brands by name

Popular brands