background image

TMR-RF960R

7

7

4-3. PRINTED  WIRING  BOARD  – TX-BASE  BAORD –

L

R

ANT401

 

R407

R418

C403

C413

R413

R452

R451

R403

C468

3

2

1

R455

JC402

R468

R466

C488

R486

R485

R484

R434

C455

C454

C462

R416

C457

R469

R460

R464

R483

R481

R480

C477

C474

R450

R448

R458

R449

R443

R445

R459

R457

R456

R444

C433

C442

C432

R446

R447

R470

R493

R473

R442

R498

R441

R490

Q408

R494

R495

R496

R497

Q405

Q406

Q407

R492

R491

R406

R499

R417

C481

TP8

TP9

C482

Q410

R474

R404

R402

R414

R489

R411

R401

R488

R487

C480

R408

R437

C466

R436

R435

C401

R427

C423

R421

R423

IC401

R424

R425

R422

R426

C406

C416

C429

R462

R405

Q401

C444

R472

Q409

C443

C412

C435

R453

R454

R471

C465

IC405

R467

R463

C427

R431

R429

R432

C426

JC403

R433

IC404

R461

R430

Q402

R438

R428

C411

C425

IC403

R440

C439

C445

C434

C449

C428

C408

R479

Q403

R476

R477

R478

R475

JC405

JC413

JC414

R482

JC404

C489

C490

C484

 

D403

S402

S402

X401

C453

J403

C458

C422

JW409

JW404

RV401

JW413

D410

JW411

C475

C470

D401

D402

D407

D409

JW406

S401

S401

J401

J402

C437

JW414

JW416

JW401

JW410

JW417

C407

C441

JW407

JW408

C421

C431

C417

C476

JW415

IC402

C440

C430

JW405

Q404

JW412

D404

D405

C450

JW402

JW403

JW418

C446

 

A

B

CHANNEL

INPUT

NOISE FILTER

DC  IN  9V

ON

OFF

t

3

2

t

1

t

POWER

CHG

E

E

E

E

E

E

E

-1 -2

BOARD

TX-BASE  

11

(11)

1-861-437-

E

A

TX-VCO

BOARD

(Page 8)

ANT

SIG

5V

L410

2

3

4

5

6

7

8

A

1

B

C

D

E

F

+

-

+

-

BATTERY CHARGE TERMINAL

(TO MDR-RF920R/RF960R)

Ref. No.    Location

D401

E-2

D402

E-1

D403

F-7

D404

C-4

D405

C-4

D407

F-3

D409

D-3

D410

C-3

IC401

A-6

IC402

F-5

IC403

E-6

IC404

E-5

IC405

C-5

Q401
Q402

E-3

Q403

C-4

Q404

F-6

Q405

F-2

Q406

F-2

Q407

D-3

Q408

D-6

Q409

C-6

Q410

E-3

• Semiconductor

Location

Summary of Contents for TMR-RF960R

Page 1: ... RF920RK MDR RF960RK Wireless Stereo Headphones MDR RF920R MDR RF960R Transmitter TMR RF960R TMR RF960R COMPONENT MODEL NAME FOR MDR RF920RK MDR RF960RK General Carrier frequency 913 5 914 5 MHz Channel Ch1 Ch2 Ch3 Modulation FM stereo Frequency response MDR RF920R 20 20 000 Hz MDR RF960R 10 22 000 Hz Transmitter Power source DC 9 V supplied AC power adaptor Audio input phono jacks stereo mini jac...

Page 2: ...3 times Be careful not to apply force on the conductor when soldering TABLE OF CONTENTS Specifications 1 1 GENERAL 2 2 DISASSEMBLY 2 1 Upper Cabinet Assy 3 2 2 TX BASE Board 3 3 ELECTRICAL ADJUSTMENTS 4 4 DIAGRAMS 4 1 Block Diagrams 5 4 2 Schematic Diagram TX BASE Board 6 4 3 Printed Wiring Board TX BASE Board 7 4 4 Schematic Diagram TX VCO Board 8 4 5 Printed Wiring Board TX VCO Board 8 5 EXPLODE...

Page 3: ...TX BASE BOARD This set can be disassembled in the order shown below 2 1 UPPER CABINET ASSY 1 protection sheet 5 upper cabinet assy 2 screw DIA 2 3 four screws DIA 2 4 cabinet lower assy 1 two screws DIA 2 3 TX BASE board 2 cabinet lower assy ...

Page 4: ... and CH3 Charge Current Check 1 Connect the ammmeter 3 and probes to TP8 and 9 2 The green LED on charging turns on Make sure the reading on the current meter becomes to the standard value Standard value 45 5mA TP8 TP9 CURRENT METER 3 TX BASE BOARD Conductor side Pilot signal Modulation Check and Adjustment 1 Set the channel to CH2 2 An electric wave is output for 5 or 10 minutes when OFF to ON a ...

Page 5: ...402 POWER CHARGE INPUT B A TX BASE BOARD MOD IN ANT 5V B 5V TX VCO BLOCK I O V PILOT SIGNAL MODULATION REGULATOR RIPPLE FILTER Q402 Q406 407 CHARGE DET S402 CHANNEL 1 2 B 5V 3 BATTERY CHARGE TERMINAL TO MDR RF920R RF960R J403 DC IN 9V CHARGE CURRENT LIMIT Q405 410 1 13 R CH 3 1 20 17 16 18 12 1 Q403 COMPENSATION MODULATOR Q501 502 RF AMP Q503 X501 1080MHz 5 7 IC405 2 2 IC405 1 2 SYSTEM CONTROL IC4...

Page 6: ...5 R402 D402 IC404 Q409 JW416 TP8 TP9 1SS133T 38kHz 10p 100p 10 50V 22k 100p 1 2k 1 2k 2 2k 47k 220 16V 0 1 100 4 7k 5 6k 1 5k 100k 0 0022 0 1 10k 10k 0 0022 100k 0 01 680p 1k 680p 0 01 1k 0 1 1k 4 7k 0 1 1k 4 7k 100 4 7k 5 6k 1 5k 5 6k 10 50V 120k 330p 22k 0 0 0 22k 10k 0 680 0 220 680 0 MTZJ4 3B T77 220 16V 22k 22k 33p 15k 22k 1 22k 22k DTC144EKA DTA144VKA 47k 2SB1424 22k DTC144EKA 4 7k 1SS133T 0...

Page 7: ...02 R438 R428 C411 C425 IC403 R440 C439 C445 C434 C449 C428 C408 R479 Q403 R476 R477 R478 R475 JC405 JC413 JC414 R482 JC404 C489 C490 C484 D403 S402 S402 X401 C453 J403 C458 C422 JW409 JW404 RV401 JW413 D410 JW411 C475 C470 D401 D 4 0 2 D407 D409 JW406 S401 S401 J401 J402 C437 JW414 JW416 JW401 JW410 JW417 C407 C441 JW407 JW408 C421 C431 C417 C476 JW415 IC402 C440 C430 JW405 Q404 JW412 D404 D405 C4...

Page 8: ...C525 R511 R512 Q503 R514 C501 C516 C520 C521 C522 C523 C524 C518 ANT SIG A TX BASE BOARD Page 7 5V 11 11 1 861 440 11 11 1 861 440 SIDE A BOARD TX VCO BOARD TX VCO SIDE B 2 3 A 1 B C D E Note on Printed Wiring Boards X parts extracted from the component side Pattern from the side which enables seeing Note on Schematic Diagram All capacitors are in µF unless otherwise noted pF µµF 50 WV or less are...

Page 9: ...9 TMR RF960R WAVEFORMS IC403 7 CAPACITOR VOL DIV 0 5 V AC TIME DIV 10 µsec 2 IC403 8 PILOT OUTPUT VOL DIV 0 5 V AC TIME DIV 20 µsec 1 2 0Vp p 26 µsec 0 6Vp p 52 µsec ...

Page 10: ...tems The mechanical parts with no reference number in the exploded views are not supplied Hardware mark list and accessories are given in the last of this parts list not supplied not supplied not supplied not supplied not supplied not supplied 1 6 7 8 8 2 3 5 4 1 A 4547 110 A TX BASE BOARD COMPLETE including TX VCO BOARD 2 3 246 378 02 TERMINAL CHARGE 3 3 246 379 02 TERMINAL CHARGE 4 3 246 372 01 ...

Page 11: ...CERAMIC CHIP 0 0022uF 10 50V C443 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C444 1 162 963 11 CERAMIC CHIP 680PF 10 50V C445 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C446 1 126 160 11 ELECT 1uF 20 50V C449 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C450 1 126 961 11 ELECT 2 2uF 20 50V C453 1 126 964 11 ELECT 10uF 20 50V C454 1 162 927 11 CERAMIC CHIP 100PF 5 50V C455 1 162 915 11 CERAMIC CHIP 10PF 0 5PF 5...

Page 12: ... 1 10W R403 1 218 661 11 METAL CHIP 51 5 1 10W R404 1 216 839 11 METAL CHIP 33K 5 1 10W R405 1 216 817 11 METAL CHIP 470 5 1 10W R406 1 216 839 11 METAL CHIP 33K 5 1 10W R407 1 216 821 11 METAL CHIP 1K 5 1 10W R408 1 216 825 11 METAL CHIP 2 2K 5 1 10W R411 1 216 839 11 METAL CHIP 33K 5 1 10W R413 1 218 661 11 METAL CHIP 51 5 1 10W R414 1 216 839 11 METAL CHIP 33K 5 1 10W R416 1 216 839 11 METAL CH...

Page 13: ... R487 1 216 829 11 METAL CHIP 4 7K 5 1 10W R488 1 216 821 11 METAL CHIP 1K 5 1 10W R489 1 216 837 11 METAL CHIP 22K 5 1 10W R490 1 216 819 11 METAL CHIP 680 5 1 10W R491 1 216 833 11 METAL CHIP 10K 5 1 10W R492 1 216 841 11 METAL CHIP 47K 5 1 10W R493 1 216 818 11 METAL CHIP 560 5 1 10W R494 1 216 818 11 METAL CHIP 560 5 1 10W R495 1 216 817 11 METAL CHIP 470 5 1 10W R496 1 216 817 11 METAL CHIP 4...

Page 14: ...STORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2004 02 New ...

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