Kenwood TK-8102H Скачать руководство пользователя

Страница: 37 / 43

C24

CF301

C25

C26

CF302

R601

R602

C30

C33

C34

C35

R415

R416

C36

R417

C37

C38

IC31

C39

IC32

IC34

IC35

C40

C41

C42

C43

R423

R424

R425

R426

R427

R428

R429

R430

R431

R432

C53

R433

CN800

ANT

C54

R434

R435

C55

R436

C56

R439

R440

TH401

C61

R441

R442

R443

R444

R251

R445

R252

R446

C66

R253

R254

R255
R256

R257

C603

R258

C604

R259

C607

C608

R260

C418

R261

TC401

TC402

R262

R263

R264

R265

R266

C613

C614

C421

C426

C427

C428

Q31

C429

Q32

Q33

C87

C88

Q34

C89

C430

C431

C432

C433

C90

C434

C435

C436

C437

C438

R281

C439

C440

C441

C444

C251

C252

C253

C254

C448

C449

C255

C256

C257

C258

C259

C450

C451

C452

C454

C260

C455

C261

C456

C262

C263

C264

Q301

Q61

C265

C266

L101

C461

C463

D403

D404

Q500

C464

D405

Q501

Q502

D406

C466

D407

C467

D408

D409

C279

L301

D604

D605

D606

D607

C280

C282

C283

L501

L502

L503

L504

Q86

Q87

L509

Q352

Q353

R102

R103

R104

R109

R301

R110

L351

R111

L352

L354

R308

R309

L355

L356

L357

L358

L359

R501

R502

R310

R506

R507

L360

L361

R509

R123

R125

R126

R127

R128

R129

D31

R511

R512

D32

R513

R514

R515

R516

R517

R518

R130

R519

R325

R131

R520

R522

C101

C102

C104

C301

C302

C306

C307

C308

R539

C309

C501

C502

C504

D61

C505

C507

C509

R358

C510

R359

C511

C512

C513

C514

C515

C516

R360

XF351

R361

R362

C326

R363

R364

R365

R366

R367

C520

C521

R369

C522

C523

C524

R370

R371

R31

R32

R372

R33

R373

R374

R34

R375

R376

R377

R378

R38

R39

R40

R41

R381

C357

C358

C359

C360

D301

C361

C362

C363

C364

R61

R62

C366

C367

Q404

C368

Q405

C369

Q406

R66

TC352

Q407

TC353

R67

Q408

R68

R69

D502

C370

C371

C372

C373

Q410

R70

C374

IC101

Q411

C375

C376

C377

C378

C379

C571

L405

C572

C601

L406

C573

L407

C380

L408

L409

C381

C382

C383

C384

L601

C385

L602

C386

L603

L604

L410

C388

C389

L411

R86

L412

R87

L413

L414

L415

L416

L417

L418

C390

R91

R92

R93

L420

R94

Q440

Q251

X86

D351

D352

D353

D354

D355

BPF

100

IC66

IC301

IC251

J72-0887-19

TX-RX UNIT (X57-6710-XX) -24 : M -25 : K -26 : K2 -27 : K3 Foil side view (J72-0887-19)

PC BOARD

TK-8102H

Component side

Foil side

Layer 1

Layer 2

Layer 3

Layer 4

Ref. No. Address

IC31

12R

IC32

13Q

IC34

13N

IC35

12M

IC66

11M

IC101

11O

IC251

12C

IC301

12G

Q31

Q32

Q33

12Q

Q34

12Q

Q61

Q86

10O

Q87

10P

Q251

11C

Q301

13G

Q352

10H

Q353

10D

Q404

12J

Q405

11K

Q406

13L

Q407

11J

Q408

11J

Q410

12K

Q411

11H

Q440

12J

Q500

10J

Q501

10K

Q502

D31

D32

D61

D301

13H

D351

10E

D352

10D

D353

10C

D354

D355

D403

11L

D404

11L

D405

12L

D406

12L

D407

12L

D408

12J

D409

10H

D502

10L

D604

D605

D606

D607

Содержание TK-8102H

Страница 1: ... 20 35 TX RX UNIT X57 6710 XX 37 SCHEMATIC DIAGRAM 43 BLOCK DIAGRAM 47 LEVEL DIAGRAM 49 TERMINAL FUNCTION 51 SPECIFICATION BACK COVER CONTENTS REVISED This service manual applies to products with 50300001 or subsequent serial numbers In terms of the products with the serial numbers earlier than 50300001 refer to the TK 8102H service manual as per part No B51 8611 00 and B51 8628 00 Service Manual ...

Страница 2: ...required to install or operate the radio 3 PRE INSTALLATION CHECKOUT 3 1 Introduction Each radio is adjusted and tested before shipment How ever it is recommended that receiver and transmitter opera tion be checked for proper operation before installation 3 2 Testing The radio should be tested complete with all cabling and accessories as they will be connected in the final installation Transmitter...

Страница 3: ...grams printed circuit board views and align ment procedures contained in this manual Speaker jack cap Power input connector Antenna connector NOTE If you do not intend to use the 3 5 mm jack for the external speaker fit the supplied speaker jack cap to stop dust and sand from getting in Merchandise received License and frequency allocated by FCC Choose the type of transceiver Transceiver programmi...

Страница 4: ... volume level e key Press to decrease the volume level r key PF Programmable Function key The default setting of this key is None no function The programmable func tions available for this key are listed below t key PF Programmable Function key The default setting of this key is Monitor Other programmable functions avail able for this key are listed below y 1 2 3 4 keys Press to select a channel f...

Страница 5: ...nitor Used to release signalling press once or squelch press and hold for approximately two seconds when operating as a conventional It is also used to reset option signalling Scan ON OFF Press this key starts scanning Pressing this key stops scanning Talk around Press this key the transceiver uses the receive frequency and the tone for transmission The operator can call the other party directly w...

Страница 6: ...tone sounds while the PTT button is held down The warning tone stops when the PTT button is released PTT ID PTT ID provides a DTMF ANI or MSK ID to be sent with every time PTT connect ID at beginning of transmission dis connect ID at end of transmission or both You can program PTT ID on or off for each group channel DTMF The contents of ID are programmed for each transceiver The transceiver is cap...

Страница 7: ...ify the user of the transceiver operating state Refer to the help file on the KPG 70D regarding the func tions that are not listed below Stun on tone When a stun code is received transpond tone sounds Stun off tone When a stun release code is received transpond tone sounds Group call tone Sounds when a group call with the correct DTMF option signalling is received repeats 7 times You can select ye...

Страница 8: ... the Power is switched on user mode can be en tered immediately When the PC sends a command the radio enters PC mode When data is transmitted from transceiver the red LED blink When data is received by the transceiver the green LED blink In the PC mode 4CH LEDs MON LED and LED are turned on Notes The data stored in the personal computer must match model type when it is written into the EEPROM Atta...

Страница 9: ...y the same program as the master 5 The other slave can be continuously cloned Carry out the operation in step 2 to 4 4 1 Adding the data password If the data password is set in the optional feature menu you must enter the password Master transceiver to activate a clone mode you can use 1 2 3 and 4 to configure the password The maximum length of the password is 10 digits 1 1 Power ON 2 1 4 LED and ...

Страница 10: ...13 2 5 8 11 14 3 6 9 12 15 No Color Internal Name connector 1 Red CN2 1 SB 2 Pink CN3 1 IGN 3 Black CN2 3 GND 4 Brown CN3 3 DETO 5 Orange CN3 2 DATAI 6 Yellow CN2 8 FNC4 7 Green CN2 7 FNC3 8 Blue CN2 9 FNC5 9 Purple CN2 12 FNC8 10 Gray CN2 10 FNC6 11 White CN2 11 FNC7 12 NC NC 13 NC NC 14 Sky blue CN2 6 FNC2 15 Turquoise CN2 5 FNC1 Accessory Port Function REALIGNMENT 6 Ignition Sense Cable KCT 18 ...

Страница 11: ...ation 1 Remove the cabinet and shielding cover from the trans ceiver 2 Delete R202 and R267 on the TX RX unit A 9 8 7 D C B A A12 1 3 7 8 9 10 11 12 1 12 B A11 C A10 D A9 E 1 2 3 4 5 B5 6 B7 7 A8 8 A7 9 A3 10 B11 11 B9 12 B4 E18 Voice scrambler board 12 pins lead wire with connector A E37 1081 05 CN2 12 6 5 11 10 1 4 5 7 9 11 1 11 11 pins lead wire with connector B E37 1080 05 CN3 Connection The f...

Страница 12: ...r board is connected subsequent to the de emphasis circuit Cushion G13 1963 04 Cushion G13 1964 04 Voice scrambler board Front side to CN2 and CN3 to CN2 and CN3 CN3 Voice scrambler board CN2 TX RX UNIT Component side Avoid forming the wiring towards shielding cover closure area 1 2 Example for Connection Picture Trunking Board Fig 3 Insulation sheet Cushion D G13 1972 04 Cushion C Cushion B Trunk...

Страница 13: ...the display unit PCB detach the PCB by lifting at the indents of the PCB as shown below Fig 3 Tabs Tabs Tabs Indents Fig 5 5 When mounting the front panel match the 4 tabs of the chassis with the panel being sure they attach securely Tabs Tabs 4 Mount the display unit To mount the display unit on the panel follow the correct procedures shown to ensure easy display unit assembly and good fitting on...

Страница 14: ... SYSTEM PLL VCO 16 8MHz 50 4MHz ANT RX TX SP MIC Fig 1 Frequency configuration IF Amplifier The first IF signal is amplified by Q351 and the enters IC301 FM processing IC The signal is heterodyned again with a second local oscillator signal within IC301 to create a 450kHz second IF signal The second IF signal is then fed through a 450kHz ceramic filter Wide CF301 Narrow CF302 to further eliminate ...

Страница 15: ...IC251 IC161 W NO EVOL2 AF PA IC252 SP IF IC IC301 Q301 NOISE AMP D301 IC301 IC101 AFO RSSI DET CPU IF SYSTEM SQIN RSSI Fig 3 Wide Narrow changeover circuit Fig 4 AF signal system Fig 5 Squelch circuit PLL Frequency Synthesizer The PLL circuit generates the first local oscillator signal for reception and the RF signal for transmission PLL The frequency step of the PLL circuit is 5 or 6 25kHz A 16 8...

Страница 16: ... resulting signal is goes the an tenna terminal APC Circuit The automatic transmission power control APC circuit detects part of a final amplifier Q504 output with a diode D606 D607 and applies a voltage to IC501 IC501 com pares the APC control voltage PC generated by the D A con verter IC161 and DC amplifier IC203 with the detection output voltage IC501 generates the voltage to control Q502 Q503 ...

Страница 17: ...trix of the KMI1 to KMO2 ports of the microprocessor The KMO1 to KMO2 ports are always high while the KMI1 to KMI4 ports are al ways low The microprocessor monitors the status of the KMI1 to KMO2 ports If the state of one of the ports changes the microprocessor assumes that the key at the matrix point cor responding to that port has been pressed Encode The QT and DQT signals are output from QT DQT...

Страница 18: ...ge detect IC IC34 IC34 will generate signal RESET in to the reset terminal on the CPU IC101 to carry out a power ON reset Also CPU IC101 is checking on port 91 Battery Volt age If DC power is less than about 9 5V the radio is unable to power on When the DC power voltage deceases from normal volt age the INT voltage detector IC IC35 will set to high on CPU port 18 INT if B line will became less tha...

Страница 19: ...rt 3 44 CEFLS I O CE for flash 45 46 FNC4 FNC5 I O Function port 4 5 47 48 FNC7 FNC6 I O Function port 7 6 49 FNC8 I O Function port 8 50 AFM O AF mute 51 SPM O Speaker mute Pin No Name I O Function 52 AMPSW O AF AMP switch 53 DT O Common data 54 CK O Common clock 55 56 NC I 57 59 DST1 DST3 I Destination 1 3 60 VCC 5V 61 NC I 62 VSS GND 63 NC I 64 NARROW O 65 WIDE O 66 68 NC I 69 CL O Clock for LC...

Страница 20: ...tive while AFM is H Q254 Digital transistor AF mute Active while SPM is H Ref No Parts name Description Q255 Transistor AF mute Active while AMPSW is H Q301 Transistor SQL amplifier Noie amplifier Q302 Transistor Buffer amplifier 16 8MHz 3rd over tone Q351 Transistor IF amplifier Q352 FET Mixer Q353 FET RF amplifier LNA Q402 403 Transistor Charge pump Q404 Transistor RF amplifier PLL F in Q405 FET...

Страница 21: ...29 9065 01 KEY TOP A 2B N67 2608 46 PAN HEAD SEMS SCREW W B 2B 3B N87 2606 46 BRAZIER HEAD TAPTITE SCREW C 1B 2B N87 2614 46 BRAZIER HEAD TAPTITE SCREW 45 3C N99 0395 05 SCREW SET ACCESSORY 47 3A T07 0739 05 SPEAKER 48 2C T91 0624 05 MICROPHONE ACCESSORY K K2 K3 D1 4 B30 2238 05 LED Y D5 10 B30 2239 05 LED SY D11 B30 2237 05 LED YG D12 B30 2240 05 LED SR C4 CK73GB1H103K CHIP C 0 010UF K C8 17 CK73...

Страница 22: ...IP C 1 0UF K C274 CK73FB1C224K CHIP C 0 22UF K C275 CK73GB1A105K CHIP C 1 0UF K C276 277 CK73GB1H471K CHIP C 470PF K C278 CK73GB1C104K CHIP C 0 10UF K C279 C92 0516 05 CHIP TAN 4 7UF 16WV C280 C92 0040 05 CHIP ELE 47UF 16WV C281 CK73GB1H471K CHIP C 470PF K C282 C92 0722 05 CHIP ELE 470UF 16WV C283 CK73GB1H102K CHIP C 1000PF K C301 C92 0507 05 CHIP TAN 4 7UF 6 3WV C302 CK73GB1H102K CHIP C 1000PF K ...

Страница 23: ...C 470PF K C448 449 CK73GB1H471K CHIP C 470PF K C450 C92 0568 05 CHIP TAN 22UF 10WV C451 452 CK73GB1H471K CHIP C 470PF K C454 CC73GCH1H060B CHIP C 6 0PF B C455 CC73GCH1H020B CHIP C 2 0PF B C456 CC73GCH1H040B CHIP C 4 0PF B C461 CK73GB1H471K CHIP C 470PF K C463 464 CK73GB1H471K CHIP C 470PF K C466 CC73GCH1H050B CHIP C 5 0PF B C467 CK73GB1H471K CHIP C 470PF K C501 CK73GB1H471K CHIP C 470PF K C502 CC7...

Страница 24: ...E CHIP L405 L92 0443 05 FERRITE CHIP L406 407 L40 2785 92 SMALL FIXED INDUCTOR 270NH K2 K3 L406 407 L40 4791 86 SMALL FIXED INDUCTOR 4 7UH K M L408 L40 2778 67 SMALL FIXED INDUCTOR 27NH K M L408 L40 3978 67 SMALL FIXED INDUCTOR 39NH K2 L408 L40 5678 67 SMALL FIXED INDUCTOR 56NH K3 L409 L40 1885 92 SMALL FIXED INDUCTOR 180NH K2 L409 412 L40 2785 92 SMALL FIXED INDUCTOR 270NH K3 L409 410 L40 4791 86...

Страница 25: ...B1J912J CHIP R 9 1K J 1 16W R233 RK73GB1J682J CHIP R 6 8K J 1 16W R249 251 RK73GB1J473J CHIP R 47K J 1 16W R252 RK73GB1J474J CHIP R 470K J 1 16W R253 R92 1252 05 CHIP R 0 OHM J 1 16W R254 RK73GB1J681J CHIP R 680 J 1 16W R255 256 RK73GB1J562J CHIP R 5 6K J 1 16W R257 RK73GB1J105J CHIP R 1 0M J 1 16W R258 RK73GB1J272J CHIP R 2 7K J 1 16W R259 RK73GB1J123J CHIP R 12K J 1 16W R260 RK73GB1J224J CHIP R ...

Страница 26: ...100 J 1 16W R441 RK73GB1J102J CHIP R 1 0K J 1 16W R442 RK73GB1J101J CHIP R 100 J 1 16W R443 RK73GB1J222J CHIP R 2 2K J 1 16W R444 RK73GB1J102J CHIP R 1 0K J 1 16W R445 446 R92 1252 05 CHIP R 0 OHM J 1 16W R501 RK73GB1J102J CHIP R 1 0K J 1 16W R502 RK73GB1J472J CHIP R 4 7K J 1 16W R506 RK73GB1J103J CHIP R 10K J 1 16W R507 RK73GB1J470J CHIP R 47 J 1 16W R509 RK73GB1J100J CHIP R 10 J 1 16W R511 RK73G...

Страница 27: ...NSISTOR Q34 KRC102S DIGITAL TRANSISTOR Q35 KTA1664 Y TRANSISTOR Q36 KRC102S DIGITAL TRANSISTOR Q61 KRC404RTK DIGITAL TRANSISTOR Q71 KRC414RTK DIGITAL TRANSISTOR Q86 87 2SK1824 FET Q201 2SC4919 TRANSISTOR Q202 2SJ243 FET Q251 2SC4617 S TRANSISTOR Q252 253 2SK1824 FET Q254 DTC363EU DIGITAL TRANSISTOR Q255 KRC102S DIGITAL TRANSISTOR Q301 2SC2412K TRANSISTOR Q302 2SC4649 N P TRANSISTOR Q351 2SC5108 Y ...

Страница 28: ... 26 24 15 Q504 IC252 A 700 Caution label 701 S No label A A C C C C C C Cx2 Bx12 B B 12 30 27 25 10 TX RX unit Display unit A M2 6 x 8 N67 2608 46 B M2 6 x 6 Br Tap N87 2606 46 C M2 6 x 14 Br Tap N87 2614 46 Parts with the exploded numbers larger than 700 are not supplied ...

Страница 29: ...ish B62 1596 10 9 Instruction manual Spanish B62 1597 10 K K2 K3 702 Pamphlet 703 Pamphlet 48 Microphone T91 0624 05 K K2 K3 38 Item carton cse H52 1829 22 45 Screw set N99 0395 05 41 Bracket J29 0662 03 40 Holder J19 1584 05 K K2 K3 36 Carton board H13 1190 02 14 DC cord E30 3339 05 22 Fuse 6x30 F51 0017 05 x 2 Parts with the exploded numbers larger than 700 are not supplied ...

Страница 30: ...r 20A 8 AF Volt Meter Frequency Range 50Hz to 10kHz AF VTVM Voltage Range 1mV to 3V 9 Audio Generator AG Frequency Range 20Hz to 20kHz or more Output 0 to 1V 10 Distortion Meter Capability 3 or less at 1kHz Input Level 50mV to 10Vrms 11 4Ω Dummy Load Approx 4Ω 10W or more 12 Regulated Power Supply 13 6V approx 20A adjustable from 9 to 17V Useful if ammeter requipped 13 Spectrum Analyzer Center fre...

Страница 31: ...shield cover as below Fuse To mount the fuse the cable terminal direction must be as follow Locator Speaker cable This side up This side up Cable terminal Cable terminal Fuse Pin 1 marker IC252 Part name label face down TX RX UNIT Component side Power MIC jack 1 2 3 4 keys Volume up down key key Speaker Display R822 R823 TEMP2 Q503 Q504 R525 R536 IC252 RESET RXD TXD POWER CNVSS 5M E B RF CV DC 8T ...

Страница 32: ...m analyzer to BPF terminal Adjustment of TX VCO lock voltage 1 Remove R525 R823 R536 and R822 all on component side 2 Remove PCB from chassis 3 Transmit and check voltage at CV point Warning Do not transmit if step 1 is not complete 4 Adjust of voltage can be done by tuning TC402 Item Condition Test equipment Terminal Parts Method Specifications Remarks Measurement Adjustment Fig 1 Test Frequency ...

Страница 33: ...r Wide Narrow CH RX high Wide 2 SSG output 120dBm 0 22µV Wide 119dBm 0 25µV Narrow Mod 1kHz Dev 3 0kHz Wide Dev 1 5kHz Narrow Item Condition Test equipment Terminal Parts Method Specifications Remarks Measurement Adjustment ADJUSTMENT Transmitter Section 1 Frequency 1 CH TX center Frequency counter ANT PC key Adjust to center frequency Within 100Hz 2 Transmit 2 Maximum 1 CH TX high Power meter VR1...

Страница 34: ... Transmit and check for power to be within the range of 0 7W 1W If power found is less than 0 5W check the circuit before the Drive FET Item Condition Test equipment Terminal Parts Method Specifications Remarks Measurement Adjustment ADJUSTMENT 5 DQT 1 CH TX low Wide Modulation analyzer ANT PC key Adjust the waveform as below balance CH TC center Wide Narrow or Linear detector CH TX high Wide LPF ...

Страница 35: ...R12 R13 R14 R15 R16 R17 R18 R19 R20 Q4 Q9 R1 R2 R3 R4 R5 R6 R7 R8 R9 CP3 CP4 C10 C11 C12 C13 C14 C15 C16 C17 C18 J72 0916 09 J1 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 POWER UP DOWN 1 2 3 4 MONI PROG J72 0916 09 J1 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 POWER UP DOWN 1 2 3 4 MONI PROG PC BOARD TK 8102H 36 35 DISPLAY UNIT X54 3460 20 Component side view J72 0916 09 DISPLAY UNIT X54 3460 20 Foil side...

Страница 36: ...528 C529 R1 R35 R2 R36 R3 R37 R5 C532 C534 C535 C536 C537 C538 R380 C539 C151 C152 C540 C541 C543 C545 C351 C353 C548 C354 TH351 C549 C355 C161 C162 C356 C163 C164 Q201 Q202 C550 C551 C555 D302 C556 D303 C559 Q402 Q403 C560 L201 D503 C564 C565 C567 R71 R72 R73 R74 R75 R76 R77 L403 C570 R78 L404 C574 C575 C576 R81 R82 IC501 C391 TH97 TH98 Q252 Q253 Q254 Q255 C10 C13 C14 C15 R201 R202 C16 R203 C17 R...

Страница 37: ...C510 R359 C511 C512 C513 C514 C515 C516 R360 XF351 R361 R362 C326 R363 R364 R365 R366 R367 C520 C521 R369 C522 C523 C524 R370 R371 R31 R32 R372 R33 R373 R374 R34 R375 R376 R377 R4 R378 R38 R39 R40 R41 R381 C357 C358 C359 C360 D301 C361 C362 C363 C364 R61 R62 C366 C367 Q404 C368 Q405 C369 Q406 R66 TC352 Q407 TC353 R67 Q408 R68 R69 D502 C370 C371 C372 C373 Q410 R70 C374 IC101 Q411 C375 C376 C377 C37...

Страница 38: ... R270 R271 R272 R273 R274 R275 Q35 R823 Q36 R276 R277 R278 R279 R280 C97 C98 TEMP2 C442 C250 D1 D2 D3 D4 D5 D6 D7 D8 D9 D201 D202 Q302 C267 C268 C269 D401 D402 C270 C271 C272 Q503 C273 Q504 C274 Q71 C275 C276 C277 C278 D601 D602 L302 L303 L304 C281 L505 L506 L507 L508 IC401 D251 Q351 R101 R105 R106 R107 D10 R108 D11 R302 R303 R304 R305 R306 R112 R113 R114 R115 R116 R117 R118 R119 R311 R312 R313 R3...

Страница 39: ...2k C275 1u C281 470p R277 68k C277 470p C280 47u16 C283 1000p C276 470p R276 47k Q254 DTC363EU R280 390 C273 1u C278 0 1u 5C C279 4 7u16 R281 0 BSB 1 2 3 4 5 6 7 8 9 10 J1 C282 470u16 C274 0 22u CN5 Q255 KRC102S C30 1000p C29 470p C28 220p C48 C433 470p TH401 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72...

Страница 40: ...363FP 3 8 IC161 M62363FP 4 8 8T Q406 2SK508NV K52 IC35 PST9140NR IC161 M62363FP 8 8 RESET X86 IC161 M62363FP 1 8 IC34 PST9140NR DTMF BEEP 8TC SB SQIN Q32 KRC102S 8C PTT SPLATTER FILTER SBC KMI3 Q251 2SC4617 S PTT TXD 8C MICBL MIC IDC FINAL AMP Q404 2SC4649 N P 16 8MHz 8C SPM MICEM SIGNAL PTT TXD Q34 KRC102S CM 8T DRIVE AMP2 SB B IF DEMODULATOR GND AF PA AFM SW ME MCF INT Q407 2SJ243 D601 602 MA4PH...

Страница 41: ...the AC level meter AG is set so that MIC input becomes 3kHz 1 5kHz Wide Narrow DEV at 1kHz MOD Q251 TX RX Unit VCO TX RX Unit D 5dBm Q411 10 S 11 14 TX RX Unit To make measurements in the AF section connect the AC level meter ANT input 53dBm 1kHz FM 3kHz DEV Wide 1 5kHz DEV Narrow The AF output level is adjusted for a 0 45V 4Ω by the front panel AF VOL control 8 G D409 IC161 IC203 4Ω G1 12 9 Q503 ...

Страница 42: ...ler Code1 1 O FNC6 Scrambler Code2 2 O FNC7 Scrambler Code3 4 O FNC8 Scrambler Code4 8 O Port Function is Low Active Exclude Scrambler Code CN3 No Name I O Function 1 IGN I Ignition sens input 2 DATAI I External transmit signal input 3 DETO O FM detector output 4 TXAFI I TX audio input from scrambler board 5 TXAFO O TX audio output to scrambler board 6 EMGMIC I Emergency MIC input 1kHz 1 2mVrms 7 ...

Страница 43: ...3724 Level 37 Tower one Metroplaza 223 Hing Fong Road Kwai Fong N T Hong Kong KENWOOD ELECTRONICS TECHNOLOGIES S PTE LTD Sales Marketing Division 1 Ang Mo Kio Street 63 Singapore 569110 TK 8102H GENERAL Frequency Range K M 450 to 490MHz K2 485 to 512MHz K3 400 to 430MHz Channels Groups 4 channels Channel Spacing Wide 25kHz Narrow 12 5kHz PLL Channel Stepping 5 0 6 25kHz Operating Voltage 13 6V DC ...

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