NAD C 542, Service Manual

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 13: ...13 MAIN BOARD...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 32: ...32 EXPLODED VIEW M500...

Page 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...

Page 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...

Page 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...

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