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TMR-RF960R

6

6

4-2. SCHEMATIC DIAGRAM  – TX-BASE  BAORD –

J403

D404

X401

C455

C454

C453

R489

C462

R477

R476

R475

R479

C475

C401

R459

R458

R457

R456

R450

C442

C433

R443

R444

C432

R445

C434

C435

R470

C444

C443

R471

C445

R488

R487

C449

R436

R435

R449

R448

R447

R446

R460

C458

R469

C457

R482

JW411

JW418 JW412

R474

R491

JC403

R490

JW406

R441

R442

JW413

D410

C476

R486

R483

C474

R480

R481

C477

R484

R485

Q407

Q406

R492

Q405

R498

Q410

R499

D407

C482

R496

R494

R497

R495

R493

D409

JW415

JW414

JW405

C466

C427

R431

R432

C428

R433

C430

C429

C412

D405

C411

R438

C440

R461

R452

R434

R455

R454

R453

R463

C439

R451

JW402

JC413

R437

JC414

Q402

Q403

Q404

C470

C468

JW401

Q408

Q401

R462

R440

C465

R468

R467

C488

R473

R466

JC405

C406

R426

R427

C407

R425

R428

C422

C423

C441

C421

JW417

R424

C431

R429

R423

C417

R421

R422

C416

JW409

R403

R413

S401

R411

R408

R418

R401

JW408

C413

C403

R417

R407

R416

R404

R406

R414

JW404

L410

C490

C489

JC404

C446

C437

R430

C426

C425

JW410

JW407

R464

JW403

JC402

C484

C481

RV401

ANT401

D401

J402

J401

S402

D403

C480

C450

IC401

IC402

IC405

R478

R472

IC403

C408

R405

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

0.1

470

560

560

470

560

MTZJ-T-77-5.6B

0

0

0

0.01

0.01

4.7k

2.2M

100p

22k

4.7
50V

100p

100p

1SS133T

100p

220k

10

50V

56k

150k

220k

68k

100k

100k

33k

0.1

100k

0

0

22k

0

2SC2412K

REGULATOR

&

RIPPLE
FILTER

DTA124KA

COMPENSATION

KTA1266GA

SWITCH

33

50V

0.1

0

2SC2412K

LPF

2SC2712L

AMP

1M

1k

0.001

18k

4.7k

0.01

1.2k

22k

0

0.022

3.3k

220

2.2
50V

100k

680

220
16V

100p

10

50V

22

50V

0

3.3M

10

50V

10k

220

2.2
50V

100k

3.3k

0.022

0

51

51

33k

2.2k

2.2k

33k

0

0.001

0.001

1k

1k

33k

33k

33k

33k

0

AIR 1.5T

5p

1p

0

1

50V

1

50V

10k

0.01

0.022

0

0

1k

0

0

10p

33p

4.7k

SLR342VC3F

10EDB40

0.01

2.2

50V

BA3308F-E2

ALC AMP

KIA78S05P-TP

+5V REG.

BA10393F-E2

18k

10

NJM2035M(TE2)

STEREO MPX

1

470

470

SLR342MC3F

M34580M2

-084FP-T3

2SC2412K

LPF

0

ON

OFF

CHARGE

TERMINAL

DC    IN     9V

SYSTEM

CONTROL

INPUT DET,

COMPARATOR

CHANNEL

PILOT SIGNAL

MODULATION

(TO MDR-RF920R

/MDR-RF960R)

BATTERY

5V

ANT
SIG

RV401

8

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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