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- 14 -

L302

10uH

VCC

R308

3K

R309

3K

X301

4.00M

UNLD

LOAD

XRST

XLAT
CLOK

DATA

SCOR

SYSM

RW/ROM/LDOFF

RW/ROM/LDOFF

SCLK
SQCK

1/2X

CD/CDR

DISCO

DI/SW

R331

4K

7

R332

1K

R333

4K

7

R328

4K7

R327

4K

7

R334

4K

7

SQSO

SENS

C301

33p

C302

33p

C303

0.01u

1

2

3

Q311

8050

D303

IN4148

R312
10K

R311 100K

C308

10u/16V

VCC

C304

0.1u

C305

220uF/16V

C307

47uF/10V

D+5V

VCC

DAT

1

GND

2

VCC

3

M113
REMOTE 

+D5V

R313

10

C420

10uF/16V

TP301

M101
B.SCAN

M106

OPEN/CLOSE

M102
F.SCAN

M107
PREV

M103
REPEAT

M105
RANDOM

M104
TIME

M109

STOP

M108
NEXT

M110

PLAY

R303

6K2

R302

6K2

R305

2K

R304

2K

R307

1K

R306

1K

R310

3K

R301

1K

VCC

TP303

SYSM

SQSO
SENS

SCOR

DATA

CLOK

XLAT

XRST
LOAD
UNLD

SCLK
SQCK
1/2X
CD/CDR

DISCO
DI/SW

MUTE

R317

1K

R314

OPEN

R315

1K

M314

TRIG SW

AUTO

OFF

R318

470

R336

10K

D304

STANDBY

RED

GREEN

R319

560

1

2

3

Q309

8050

1

2

3

Q310

8050

R1316 4K7

D307

IN4148

K501C

RELAY SW

+10V

TP302

75/5

1

P74/AN4

2

P73/AN3

3

P72/AN2

4

P71/AN1

5

P70/AN0

6

P61/CT02

7

P60/CT1

8

P47/1NT2

9

/RESET

10

P91/XOUT

11

P90/XIN

12

VSS

13

XIN

14

XOUT

15

VCC

16

P46/T3OUT

17

P45/T1OUT

18

P44/PWM1

19

P43/BUZ01

20

P42/INT3

21

P41/INT1

22

P40/INT0

23

P87PWM0/FLD39

24

P86

25

P85

26

P84

27

VEE

28

P83

29

P82

30

STANDBY

31

POWER

32

P37/FLD31

33

P36

34

P35

35

P34

36

P33

37

P32

38

P31

39

P30

40

P17/FLD23

41

P16

42

P15

43

P14

44

P13

45

P12

46

P11

47

P10

48

P07FLD15

49

P06

50

P05

51

P04

52

P03

53

P02

54

P01

55

P00

56

P27/FLD7

57

P26

58

P25

59

P24

60

P23

61

P22

62

P21/FLD1

63

P20

64

P57

65

P56

66

P55

67

P54

68

P53

69

P52

70

P51

71

P50

72

AVSS

73

VREF

74

P65

75

P64

76

P63

77

P62

78

P77/AN7

79

76/6

80

U301

MCU

-VP

VCC

F1/01

1

F1/02

2

NP

3

6G/03

4

5G/04

5

4G/05

6

3G/06

7

NC

8

2G/07

9

1G/08

10

NC

11

P1/09

12

P2/10

13

P3/11

14

P4/12

15

NC

16

NC

17

P5/13

18

P6/14

19

P7/15

20

P8/16

21

NC

22

NC

23

P9/17

24

P10/18

25

P11/19

26

P12/20

27

NC

28

P13/21

29

P14/22

30

P15/23

31

P16/24

32

NC

33

F2/25

34

F2/26

35

TP318

VFD

VFD3

VFD4

VFD5

VFD6

VFD7

VFD8

VFD9

VFD10

VFD11

VFD12

VFD13

VFD14

VFD15

VFD16

VFD17

VFD18

VFD19

VFD20

VFD21

VFD22

VFD23

VFD24

F1

F2

VFD3

VFD4

VFD5

VFD6

VFD7

VFD8

VFD9

VFD10

VFD11

VFD12

VFD13

VFD14

VFD15

VFD16

VFD17

VFD18

VFD19

VFD20

VFD21

VFD22

VFD23

VFD24

VCC

R329

4K7

R330

OPEN

R321

10K

NADLINK

REM_IN

1

2

3

Q312

8050

K502C

RELAY SW

D308

IN4148

C419

103

C310

100uF/6V3

D409

U301-P50

IN4148

1

2

3

Q402

2SD1012F

1

2

3

Q403

2SA1015

R412
4K7

R413

47K

R406
7K5

R415
7K5

1

2

3

Q401

2SA1015

R416

47K

R405 22K

C408

22u/16V

D411

IN4148

C407

2200u

16V

D403

3V3

MUTE

A+12V

R403 10K

R335

10K

VCC

1

2

3

Q307

8050

R338

10K

C403

OPEN

R322

15K

D305

IN5393

C306

0.1u

VCC

SENSOR

1

3

2

M315

TRIGGER_IN

M38B59EF

MCU

SCHEMATIC DIAGRAM

Содержание C 542

Страница 1: ...NAD C 542 COMPACT DISC PLAYER C 542COMPACT DISC PLAYER SERVICE MANUAL...

Страница 2: ...ALUKITUSOHITETTAESSAOLET ALTTIINAN KTM T NT LASERS TEILYLLE L KAISO S TEESEEN VORSICT UNSICHTBARELASERSTRAHLUNG TRITTAUS WENN DECKELGE FFNETUNDWENNSICHERHEITSVERRIEGELUNG BERBR CKTIST NICHTDEMSTRAHLAU...

Страница 3: ...re returning the product to the customer make leakage current or resistance measurements to determine that exposed parts are acceptably insulated from the supply circuit Parts marked with the symbol a...

Страница 4: ...Ratio A Weight 100 dB De Emphasis on 100 dB De Emphasis off Channel Separation 1kHz 90 dB 10 kHz 80 dB Wow and Flutter Unmeasurable Quartz Crystal Accuracy Output Impedance 200 Output Level at 0 dB 2...

Страница 5: ...NAD LINK IN OUT 4 IR INPUT 5 TRIGGER IN 6 TRIGGER SWITCH 7 AC LINE CORD 1 POWER ON OFF 2 DISC DRAWER 3 DISPLAY 4 OPEN 5 PLAY PAUSE 6 TIME 7 STOP 8 REPEAT 9 RANDOM 10 SCAN Back Forward 11 SKIP Back Fo...

Страница 6: ...ide panels Remove tapping screw 3 0 x 8 5 5 from the back panel Refer to Figure No 1 Figure No 1 2 Pull both sides of the TOP COVER slightly outwards 6 and tilt approx 35 and then remove in the direct...

Страница 7: ...U101 CX2581 RF AMP RFAC FE SETE RFDC SRDR SFDR FRDR FFDR TRDR TFDR SPDR LOADING MOTOR DISCO DISW LOADING MOTOR LIMIT SWITCH SPINDLE MOTOR SLED MOTOR PU IN LIMIT SWITCH PICK UP DISC M113 REMOTE SENSOR...

Страница 8: ...8 WIRING DIAGRAM M102 16PIN M301A M505A M506A M120A M105A 6PIN CD MECHANISM LIVE BOARD DISPLAY BOARD KEY BOARD MAIN BOARD LED BOARD M101 5PIN BROWN BLACK NEUTRAL LIVE RED M502 TRANSFORMER...

Страница 9: ...he unit into PLAY mode 2 Connect the scope to R227 Pin 15 of U101 and DGND J144 Scope setting Coupling AC Vertical sensitivity 0 2 V div Horizontal time base 0 5 S div 3 Observe the waveform is 2 0V p...

Страница 10: ...BEAM EMISSION The laser beam of this unit is focused on the reflecting surface of the objective lens in the optical system block Therefore keep your eyes at least 12 inches 30 cm away from the object...

Страница 11: ...NTIL YOU HAVE FINISHED FITTING THE PICK UP Caution Laser diodes are extremely susceptible to damage from static electricity Even if a static discharge does not ruin the diode it can shorten its life o...

Страница 12: ...12 PCB LAYOUT DISPLAY BOARD KEY BOARD LIVE BOARD LED BOARD...

Страница 13: ...13 MAIN BOARD...

Страница 14: ...31 33 P36 34 P35 35 P34 36 P33 37 P32 38 P31 39 P30 40 P17 FLD23 41 P16 42 P15 43 P14 44 P13 45 P12 46 P11 47 P10 48 P07FLD15 49 P06 50 P05 51 P04 52 P03 53 P02 54 P01 55 P00 56 P27 FLD7 57 P26 58 P25...

Страница 15: ...R220 100K R221 OPEN R222 0 R223 33K R224 10K R225 100K R226 1M R227 100 R228 3K3 R229 3K3 R230 10K C207 0 1u C208 0 1u C209 1500p C210 0 1u C211 27p C212 27p C214 470p C215 470p C213 0 1u XLAT DATA S...

Страница 16: ...K R119 15K C101 0 1u C102 0 1u C105 100u 10V C106 100u 10V C107 100u 10V C108 100u 10V C109 100u 10V VDD1 VC VDD1 C110 100u 10V VDD1 TP101 FE TE SE SE TE FE RFAC RW ROM LDOFF TP105 TP106 TP107 RFDC FC...

Страница 17: ...P27 VCC X2 X1 P31 P32 P33 P00 P01 P02 GND P20 P21 P22 P23 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 U402 NADLINE_001 R383 150R C385 2200p Vin GND Vout 1 2 3 M303 DST310 C386 104K R397 4K7 J528 C38...

Страница 18: ...C521 3u3 50V D510 22V 1 2W C522 3u3 50V D511 5V6 1 2W R523 47K R518 470R R517 470R F2 F1 22V C502 104K C503 104K D501 1N5818 D502 1N5818 C506 1000u 25V Vin GND Vout 1 2 3 U502 LM317T C545 104K DGND C5...

Страница 19: ...c APC OFF Hi Z RW ROM H L Vcc MAIN BOARD U202 BA6392FP 1 CH1OUTF 28 GND 2 F INTER FACE REV FWD R CH1OUTR 27 CH4OUTF 3 RCIN1 26 CH4OUTR 4 CH1RIN 25 VBIN 190K 100K 25K 25K DRIVE MUTE 5 CH1FIN 24 VSIN 6...

Страница 20: ...GENERATOR PWM GENERATOR OPAmp Analog SW A D Converter Asymmtery Corrector Digital PLL Digital CLV CPU Interface XTSL XUGF GFS EMPH WFCK C2PO LRCK PCMD BCK SYSM TES1 TEST XRST RMUT LMUT XTAI XTAO AOUT1...

Страница 21: ...FLD28 70 P52 SCLK11 35 P35 FLD29 71 P51 SOUT1 34 P36 FLD30 72 P50 SIN1 33 P37 FLD31 73 AVSS 32 P80 FLD32 74 VREF 31 P81 FLD33 75 P6t SSTB1 AN11 30 P82 FLD34 76 P64 INT4 SBUSY1 AN10 29 P83 FLD35 77 P6...

Страница 22: ...e Control I F SCK BPZ Control Crystal OSC XTI XTO CLKO VCC1 AGND1 VDD DGND Power Supply Power On Reset HDCD 8X Oversampling Digital Filter with Enhanced Multi level Delta Signal Modulator DAC Low pass...

Страница 23: ...Q302 Q303 Q304 LINE OUT PLUG OR PATTERNS DEFECTIVE MUTE CIRCUIT DEFECTIVE IC U201 DEFECTIVE M101 SWITCH DEFECTIVE OR PATTERN AND CONNECTOR OPEN IS OSCILLATOR CIRCUIT OSCILLATING POWER SUPPLY PATTERNS...

Страница 24: ...MM RT M113 4816 043T 3 IR SENSOR PIC 26043TM2 M501 2460 1870 0 VFD 6 BT 271GK KEY ASSY PC BOARD PCB N0A70C KEY PCB ASSY KEY N0A70C RESISTOR R301 R306 R307 4701 102J 2 RCF 1 8W 1K 5 AT R302 R303 4701 6...

Страница 25: ...A MAIN ASSY PC BOARD PCB N0A70C MAIN PCB ASSY MAIN N0A70C CAPACITOR C102 C103 C207 C208 C210 150F 104K 2 FC CC 50V 0 1UF 10 AT C213 C217 C222 C227 C228 C304 C322 C386 C409 C412 C413 C416 C417 C450 C52...

Страница 26: ...C377 C378 153I 224J 9 NL CM 63V 0 22 F 5 RB 7 5x6 5 C383 157C 226M 5 IUK CE 10V 22 F 20 RL 5X11 C384 150F 102K 2 FC CC 50V 1000pF 10 AT 3 5x2 C385 150F 222K 2 GD CC 50V 0 0022 F 10 AT C387 C419 C539...

Страница 27: ...CHANNEL U301 3131 8010 1 IC M38B57MC MICRO MASK U302 3131 9380 0 IC PCM1732 HDCD DIA U305 U306 3131 7620 0 IC OPA2134PA DIP OP AMP U402 3130 9320 0 IC NADLINK MASKED U403 3130 4160 0 IC TC74HC00AP DI...

Страница 28: ...R229 4711 332A 2 RMF 1 8W 3 3K 1 AT R318 R320 R517 R518 R520 4711 471A 2 RMF 1 8W 470R 1 AT R319 4711 561A 2 RMF 1 8W 560R 1 AT R359 R360 4711 1522 2 RMF 1 8W 15 2K 1 AT R363 R364 4711 152A 2 RMF 1 8...

Страница 29: ...E ASSY 6PIN P2 0 PC BOARD 1725 201B 0100 PCB MAIN N0A70C C542 MISCELLANEOUS GND1 4132 1061 0 SOLDER TAG M302 4152 9052 0 CRYSTAL CUSHION BOTTOM M302 4152 9042 0 CRYSTAL CUSHION TOP M303 2704 0060 0 EM...

Страница 30: ...30 MECHANISM EXPLODED VIEW 27 11 3 15 28 29 22 10 1 9 24 x2 21 x4 x2 x4 23 30 31 x2 8 26 26 5 12 17 16 6 25 x2 x2 14 32 20 13 25 19 18 x2 2 7 4 WSL 2130CCM...

Страница 31: ...2 9014 0 Optical Pickup Unit 1 16 4102 9015 0 Loading PWB 1 17 4102 9016 0 Motor RF 500TB 14415 1 18 4102 9017 0 Leaf Switch 1 19 4102 9018 0 Connector pin 5P 1 20 4102 9019 0 Magnet 1 21 4102 9020 0...

Страница 32: ...32 EXPLODED VIEW M500...

Страница 33: ...RAIN RELIEF BUSHING 0018 4152 4641 1 CUSHION FOOT W RUBBER WA 0019 AH TI CE TI 2444 1904 0 DUO BUTTON TITANIUM 0019 AH GREY CE GREY 2444 1903 0 DUO BUTTON BLACK 0024 3714 5706 0 LED LENS 412 CLEAR SAN...

Страница 34: ...0000 TAPPING SCREW 2X6 0227 2954 2608 0000 SCREW BT 2 6X8 0228 2600 4008 0973 FLAT WASHER M4X0 8X9 7 2601 3004 0801 FIBRE WASHER 0230 2954 3008 0000 TAPPING 3X8MM B TITE 0301 4151 9411 0 CUSHION 130X1...

Страница 35: ...1 6 1497 1432 0 EPE BAG 412 1 7 4301 7073 0 INSTRUCTION MANUAL 1 8 2103 7302 1 RCA PLUG MALE 1 9 4060 0530 0 GREENCELL 3A SIZE GP24G2 2 10 8912 0038 0 REMOTE CONTROL C521BEE 1 11 1405 2520 0 WHITE PAP...

Страница 36: ...SERVICE MANUAL NAD 2003 C 542 COMPACT DISC PLAYER NAD ELECTRONICS INTERNATIONAL TORONTO...

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