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Technics SL-EH760, Руководство по обслуживанию

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10K

4.7K

Q406
2SB621ARSTA

PLUNGER DRIVE

Q405
UN421FTA

PLUNGER DRIVE
CONT.

R446

10K

R447

1K

IC451
M38504M6200F

SYSTEM CONTROL

IC452
TC74HCT7007A

3.3V TO 5V
CONVERTER

47K

10K

A

B

C

A

B

C

14

13

12

11

10

9

7

6

5

4

3

2

1

Y5

A5

Y4

A4

Y3

A3

Vcc

Y0

A0

Y1

A1

Y2

A2

GND

8

A

B

B

A

Q401
UN4214TA

RESET

A

B

C

D

E

A

B

C

D

A

B

C

D

E

X401

(8MHz)

R401

680

D401

MA165T

A

C401

50V3.3

R431

10K

R402
100K

C402

0.01

R404

2.2K

R451

3.3K

R408

2.2K

R455

3.3K

D407

MA165TA

C41

1

0.1

C410

6.3V100

R403

4.7K

R405

100K

R439

22K

R440

47K

R442

10K

D403

MA165TA

D404

MA165TA

R445

47K

R444

4.7K

R441

4.7K

Q404
2SC3311ATA

INTERFACE

Q403
2SC3311ATA

INTERFACE

Q402
2SC3311ATA

INTERFACE

R436

4.7K

R437

4.7K

R438

1K

C408

100P

R449

1K

C416

0.01

R448

1K

R433

10K

R434

100

D406

MA165TA

R435

100

D402

MA165T

A

R409

470

R407

470

R406

100

H

D405

MA165T

A

I

G

B

D

C

E

A

F

B

A

R428

47K

R427

4.7K

R425

4.7K

R424

4.7K

R423

4.7K

R432

4.7K

C414

470P

R419

1K

R422

10K

C413

470P

R420

1K

R421

10K

R413

100

E

R412

100

D

R41

1

100

C

R414

2.2K

R415

2.2K

R416

2.2K

R452

3.3K

R453

3.3K

R454

3.3K

C452

0.01

MAIN CIRCUIT

F

SCHEMATIC DIAGRAM 4

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

21

Vss

X

OUT

XI

N

RESET

E

CS

SERVORST

CNVss

RESTSW

TEST

DA

T

A

I

DA

T

A

O

B

CLK

BC

S

CD

REQ

BLKCK

SQCK

SUBQ

SYNC

A

Vss

VREF

Vcc

LED

STB

LED

CLK

LED

DT

A

NC

MSEL

MDA

T

A

MLD

ST

A

T

HALH

PL

CW

CCW

PSTN

SW1

SW2

SW3

SW5

KEY2

KEY1

SW4

MCLK

2

1

3

:POSITIVE VOLTAGE LINE

4.8V

10.4V

8V

10.4V

0V

10.3V

10.2V

0V

0.2V

1V

0.5V

0V

0.5V

1.4V

0V

4.7V

2.1V

2V

4.7V

4.8V

0V

4.7V

1.4V

0.4V

1V

3.3V

3.3V

0V

4.8V

4.8V

(0.2V)

1.6V

4.8V

4.8V

4.8V

0V

0V

4.8V

0V

4.8V

4.8V

0V

0V

0V

4.8V

4.8V

0V

0V

0V

4.8V

4.8V

4.8V

4.8V

4.8V

4.8V

(0.2V)

3.3V

(0.2V)

0V

(4.8V)

0V

(3.3V)

0V

0V

4.8V

0V

0V

0V

5V

F=75Hz

PLAY

0V

3.3V

T

26.6ms.

PLAY

0V

5V

T

26.6ms.

PLAY

0V

3.3V

F=75Hz

PLAY

0V

5V

T

26.6ms.

PLAY

0V

5V

F=75Hz

PLAY

0V

5V

T

20ms.

PLAY

0V

5V

T

20ms.

1.8V
P P

F=8MHz

PLAY

0V

3.3V

T

13.3ms.

1.4V
P P

F=8MHz

Содержание SL-EH760

Страница 1: ...AD0002035C2 Compact Disc Player SL EH760 Traverse Deck RAE0152Z 1 Mechanism series Colour S Silver Type Area E Europe SPECIFICATIONS...

Страница 2: ...not subject the traverse deck optical pickup to static electricity as it is extremely sensitive to electrical shock 2 To protect the laser diode against electrostatic breakdown short the flexible boa...

Страница 3: ...ugh the traverse deck optical pickup 3 Precaution of Laser Diode CAUTION This product utilizes a laser diode with the unit turned on invisible laser radiation is emitted from the pickup lens Wave leng...

Страница 4: ...3 Do not look at the focus lens using optical instruments 4 Recommend not to look at the pickup lens for a long time 4 Location of Controls 5 Operation Checks and Component Replacement Procedures 4...

Страница 5: ...5 1 Checking for the main P C B Check the main P C B as shown below 5...

Страница 6: ...5 2 Checking for the operation P C B Follow the Step 1 Step 3 of item 5 1 6...

Страница 7: ...Check the operation P C B as shown below 5 3 Checking for the CD servo P C B Follow the Step 1 Step 3 of item 5 1 7...

Страница 8: ...Check the CD servo P C B as shown below 8...

Страница 9: ...5 4 Replacement for the traverse deck ass y Follow the Step 1 Step 3 of item 5 1 Follow the Step 1 Step 4 of item 5 2 9...

Страница 10: ...10...

Страница 11: ...11...

Страница 12: ...12...

Страница 13: ...13...

Страница 14: ...14...

Страница 15: ...5 5 Replacement for the disc tray Follow the Step 1 Step 3 of item 5 1 Follow the Step 1 Step 4 of item 5 2 15...

Страница 16: ...16...

Страница 17: ...17...

Страница 18: ...sassembly and reassembly for mechanism base drive unit Follow the Step 1 Step 3 of item 5 1 Follow the Step 1 Step 4 of item 5 2 Follow the Step 1 Step 10 of item 5 4 Follow the Step 1 Step 12 of item...

Страница 19: ...19...

Страница 20: ...20...

Страница 21: ...21...

Страница 22: ...22...

Страница 23: ...23...

Страница 24: ...24...

Страница 25: ...25...

Страница 26: ...26...

Страница 27: ...27...

Страница 28: ...28...

Страница 29: ...29...

Страница 30: ...5 7 Replacement for the motor ass y Follow the Step 1 Step 3 of item 5 1 Follow the Step 1 Step 4 of item 5 2 Follow the Step 1 Step 10 of item 5 4 30...

Страница 31: ...31...

Страница 32: ...h the pickup lens 6 1 Error Code Display Procedure 6 1 1 Automatic Adjustment Results 1 Turn on the power 2 Load the test disc SZZP1054C 3 Hold down the REPEAT button for at least 2 seconds and then p...

Страница 33: ...utton 4 Press the PLAY button and play for 10 seconds 5 Servo adjustment results are displayed Refer to Fig 6 2 For further information about servo adjustment results refer to Fig 6 3 Fig 6 2 Fig 6 3...

Страница 34: ...A IC702 8 pin 0V MCLK IC702 7 pin 3 4 MLD IC702 9 pin 3 4 SENSE IC702 10 pin RST IC702 18 pin 3 4 V 3 4 X1 IN IC702 58 pin X2 OUT IC702 59 pin E03 E05 E07 E09 E0B E0D E0F Disc play unstable Scratches...

Страница 35: ...in specified time period Scratches or contaminants on disc surface Focus and Tracking servo circuit check waveforms voltages and part values Optical pickup FE IC702 32 pin 1 7 TE IC702 33 pin 1 7 TLO...

Страница 36: ...tion S601 Disc direct open switch DIRECT OPEN DISC 5 S602 Disc direct open switch DIRECT OPEN DISC 4 S603 Disc direct open switch DIRECT OPEN DISC 3 S604 Disc direct open switch DIRECT OPEN DISC 2 S60...

Страница 37: ...kip search switch S614 Play switch S615 Stop switch S616 R Skip search switch S617 Random play switch RANDOM S618 Repeat switch REPEAT S619 CD edit switch EDIT S701 Rest detect switch in OFF position...

Страница 38: ...purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used When replacing any of components be sure to use only manufacturer s specified parts shown in the pa...

Страница 39: ...sistor clock signal output 7 BLKCK I Block clock signal input 8 CD REQ I Serial communication signal to Sound Processor Request signal input 9 B CS O Serial communication signal to Sound Processor Chi...

Страница 40: ...MLD O Command load output 30 STAT I Status signal input 31 HALH O CD mechanism motor speed control signal output 32 PL O CD mechanism solenoid control signal output 33 CW O CD mechanism motor control...

Страница 41: ...tion terminal 12 BDO O Dropout detection control 13 LDON I LD APC ON OFF H ON 14 GND GND terminal 15 RFDET O RF detect signal output L detect 16 PDOWN Power down terminal 17 OFTR O Off track detection...

Страница 42: ...s Not used open 12 TLOCK Optical servo condition tracking Not used open 13 BLKCK O Sub code block clock signal output f 75 Hz 14 SQCK I Sub code Q resistor clock signal input 15 SUBQ O Sub code Q data...

Страница 43: ...37 TRCRS I Track cross signal input 38 RFDET I RF detect signal input L detect 39 BDO I Dropout detection signal input H dropout 40 LDON O Laser power control signal output H ON 41 PLLF2 PLL loop filt...

Страница 44: ...LAG Flag terminal Not used open 66 CLVS Turntable servo phase synchro signal Not used open 67 CRC Sub code CRC check terminal Not used open 68 DEMPH De emphasis ON signal Not used open 69 RESY Re sync...

Страница 45: ...er GND terminal 1 9 NC Not used connected to GND 10 D1 O Motor driver 1 output terminal 11 D1 O Motor driver 1 output terminal 12 D2 O Motor driver 2 output terminal 13 D2 O Motor driver 2 output term...

Страница 46: ...anufactures specified parts shown in the parts list The marking RTL indicates that Retention Time is Limited for this item After the discontinuation of this assembly in production the item will contin...

Страница 47: ...NEL ASS Y 1 10 1 RGB0025 A TECHNICS BADGE 1 11 XTBS3 8JFZ1 SCREW 3 12 XTB3 8JFZ SCREW 1 301 RAE0152Z 1 TRAVERSE DECK ASS Y 1 301 1 SHGD113 1 RUBBER 3 301 2 SNSD38 SCREW 2 301 3 RAF0150A 1 OPTICAL PICK...

Страница 48: ...1 329 RDG0430 GEAR RELAY A 1 330 RDG0431 GEAR RELAY B 1 331 XTV2 6G SCREW 2 332 RMB0552 SPRING 1 333 RME0262 SPRING 1 334 RME0263 SPRING 1 335 RML0526 SPRING 1 336 RMQ0742 SPINDLE BASE 1 337 RMB0550...

Страница 49: ...05 ECBT1H101KB5 50V 100P 3 C701 ECEA0JKA330I 6 3V 33U 1 C702 ECUZNE104MBN 25V 0 1U 1 C703 ECEA0JKS101 6 3V 100U 1 C704 ECUZNE104MBN 25V 0 1U 1 C706 ECUV1H272KBN 50V 2700P 1 C707 ECUV1E273KBN 25V 0 027...

Страница 50: ...1 D10 12 MA165 DIODE 3 D14 MA165 DIODE 1 D401 07 MA165 DIODE 7 D601 05 LNJ301MPUJAD LED 5 D606 SML79455C LED 1 D617 MA165 DIODE 1 IC1 TA7291P IC 1 IC2 UPC29M33HB IC 1 IC451 M38504M6200F IC 1 IC452 TC7...

Страница 51: ...J222 1 4W 2 2K 3 R419 20 ERDS2FJ102 1 4W 1K 2 R421 22 ERDS2FJ103 1 4W 10K 2 R423 25 ERDS2FJ472 1 4W 4 7K 3 R426 ERDS2FJ102 1 4W 1K 1 R427 ERDS2FJ472 1 4W 4 7K 1 R428 ERDS2FJ473 1 4W 47K 1 R431 ERDS2FJ...

Страница 52: ...EYJ682V 1 10W 6 8K 1 R715 ERJ6GEYJ102V 1 10W 1K 1 R717 18 ERJ6GEYJ102V 1 10W 1K 2 R721 ERJ6GEYJ101V 1 10W 100 1 R723 ERJ6GEYJ682V 1 10W 6 8K 1 R724 ERJ6GEYJ183V 1 10W 18K 1 R725 ERJ6GEYJ391V 1 10W 390...

Страница 53: ...t No Part Name Description Pcs Remarks S701 RSH1A043 U SW REST 1 TJ701 EYF8CU JUMMPER 1 X401 RSXY8M00D01T OSCILLATOR 1 X701 RSXB33M8J01T OSCILLATOR 1 17 Cabinet Parts Location 18 Loading Unit Parts Lo...

Страница 54: ...F000207900YM KH 54...

Страница 55: ...C B F MAIN P C B E OPERATION P C B C CLAMP SW P C B B MOTOR P C B D BOTTOM SW P C B OPTICAL PICKUP RED MARK CN702 W2 W2 CN1 W1 W1 RM1 ROADING MOTOR CN402 W401A W401B CN401 To SOUND PROCESSOR CASSETTE...

Страница 56: ...uttons DIRECT OPEN DISC 1 DISC 5 H Disc tray open close button OPEN CLOSE I Skip search buttons 4 5 J Disc tray K Stop button L Pause button M Play button and indicator The color of the indicator depe...

Страница 57: ......

Страница 58: ......

Страница 59: ...DET 10 B2 19 15 RFENV RFDET 17 OFT 8 9 VREF TE FBAL TBAL Focus coil Tracking coil F F T T M702 SPINDLE MOTOR M701 TRAVERSE MOTOR VREF 22 17 Focus coil drive 16 D4 D4 11 Traverse motor drive 10 D1 D1...

Страница 60: ...terleave Digital audio interface Digital audio interface Interporation soft muting digital attenuation Servo CPU D A converter Output port Micro computer interface VCO Timing generator pitch control 7...

Страница 61: ...MCLK RST 16 7 29 27 14 30 28 SQCK 19 20 NC 4 SYNC 13 TEST B3 Q4 5 D10 12 14 UPC29M33HB IC2 D7 B5 B4 26 MSEL KEY SWITCH S601 619 KEY2 40 KEY1 41 1 5PLAY DATA CLK STB VDD Vss 4 14 B3 BU2050F E2 IC601 LE...

Страница 62: ...72A N 1514 RJ713 RJ705 R711 RJ750 R721 This printed circuit board diagram may be modified at any time with the development of new technology 4 3 2 1 W1 S5 D1 Ca A C E BOTTOM SW P C B D REP2578A N ELEC...

Страница 63: ...0 5 10 15 20 21 IC451 E C B C5 MAIN P C B F REP2822B 2M To SOUND PROCESSOR CASSETTE DECK 2 3 1 R22 1 2 3 10V A GND CT GND D GND IC2 IC451 IC452 Q4 Q5 Q6 Q7 Q401 Q402 Q403 Q404 Q405 Q406 D3 D5 D6 D7 D1...

Страница 64: ...1 CN1 1 2 3 4 W1 1 2 3 W2 Q1 E C B D2 J J J J C1 C2 S1 S2 RM1 LOADING MOTOR S3 R1 MOTOR P C B B PLUNGER REP2578A N IC601 D601 D602 D603 D604 D605 D606 D617 S601 S602 S603 S604 S605 S606 S607 R603 R604...

Страница 65: ...27 B A R701 4 7 C701 6 3V33 CN701 RF TP30 C716 820P TJ701 A B C D E D E C A B D C B A C751 0 1 C750 0 1 VREF C702 0 1 C706 2700P C707 0 027 C704 0 1 C703 6 3V100 Q701 2SB709STX LASER POWER DRIVE IC701...

Страница 66: ...TP3 D G H I J K TP1 S701 REST TP16 C745 0 1 A B C D G H I J K G E D C B A A B C E F G H I Q702 DTC143XUA106 SWITCHING R712 220 C718 0 1 C717 0 1 C744 8200P R709 68K R711 82K C722 3P X701 33 8688MHz R...

Страница 67: ...R620 820 R621 1K R622 1 2K R623 1 5K R624 1 8K R625 2 2K S617 RANDOM R626 3 3K S618 REPEAT R627 4 7K S619 EDIT R611 820 R612 1K R613 1 2K R614 1 5K R615 1 8K R616 2 2K R617 3 3K R618 4 7K R619 6 8K S6...

Страница 68: ...4 7K R432 4 7K C414 470P R419 1K R422 10K C413 470P R420 1K R421 10K R413 100 E R412 100 D R411 100 C R414 2 2K R415 2 2K R416 2 2K R452 3 3K R453 3 3K R454 3 3K C452 0 01 MAIN CIRCUIT F SCHEMATIC DI...

Страница 69: ...52 1000P C151 1000P CN402 C404 0 01 E1 R22 10 JK401 C7 0 01 C6 16V470 R5 1K C5 16V47 D3 MA4082LTA R4 100 D5 MA165TA D6 MA165TA R2 470 C3 1000P R3 22K SYNC CD REQ CT GND CS B 10V D GND SCLK DATA NC V G...

Страница 70: ...7 8 14 1 20 21 40 41 60 61 80 1 10 2SB709STX DTC143XUA106 E C B MA4082LTA A Ca Ca A Anode Cathode 2SB621ARSTA E C B RVTDTC143EST E C B 2SB1548PQAU C B E MTZJ4R7BTA A Ca A Ca MA165TA Ca A Anode Cathode...

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