NAD C 542 Service Manual
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NAD C 542 Service Manual

Nad electronics international cd player - compact disk player user manual
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NAD
C 542
C O M PA C T
DISC PLAYER

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Summary of Contents for NAD C 542

  • Page 1 C 542 C O M PA C T DISC PLAYER...

  • Page 2: Safety Information

    CAUTION CAUTION - INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. ADVARSEL - USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES OG SIKKERHEDSLÅS BRYTES. UNNGÅ EKSPONERING FOR STRÅLEN. ADVARSEL - USYNLIG LASERSTRÅLING VED ÅBNING, NÅR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION. UNDGÅ UDSÆTTELSE FOR STRÅLING.

  • Page 3: Table Of Contents

    SERVICE SAFETY PRECAUTIONS Replacing the fuses CAUTION: FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY WITH SAME TYPE OF FUSE. Reference No Part Number M507 5120-0052-0 M507 5120-0050-0 M512, M513 5120-0020-0 M512, M513 5120-0018-0 M514 5120-0026-0 M514 5120-0027-0 NOTE: <*AH >...

  • Page 4: Specifications

    SPECIFICATIONS Disc Capacity ........One Disc, 120 or 80 mm Decoding .

  • Page 5: Rear Panel / Front Panel

    REAR PANEL / FRONT PANEL REAR PANEL LINE OUT DIGITAL OPTICAL & COAXIAL OUTPUT NAD LINK IN / OUT IR INPUT FRONT PANEL NA D Compact Disc Player C 542 POWER ON / OFF DISC DRAWER DISPLAY OPEN PLAY / PAUSE...

  • Page 6: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. Remove machine screws M 4.0 x 6.0 ( 1 to 4 ) from the side 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 direction as indicated by the arrow Figure No.2.

  • Page 7: Block Diagram

    BLOCK DIAGRAM DISC - 7 -...

  • Page 8: Wiring Diagram

    WIRING DIAGRAM - 8 -...

  • Page 9: Rf Pattern Testing

    (3) Observe the waveform is 2.0V p-p +/-5% and the eye pattern is at its best shape (see FIG. 1). FIG. 1 (a) 3T 4T 5T — 11T NAD - C 542 PCB TESTING POINTS DIAGRAM : AC. : 0.2 V/ div.

  • Page 10: Important Notes

    IMPORTANT NOTES INSTRUCTION FOR HANDLING OPTICAL SYSTEM BLOCK PICK-UP Electrostatic breakdown of the laser diode in the optical system block may occur due to a potential difference caused by electrostatic charge accumulated on clothing, human body, etc. A ground must be provided as follows to prevent any electrostatic charge during unpacking or repair work.
  • Page 11 PRECAUTIONS WHEN CHANGING LASER PICK-UP When removing the pick-up assembly, short circuit the PCB tracks on the optical block as show in the drawing in order to protect the pick-up before removal. NOTE: Replacement pick-up assemblies are supplied with the PCB pattern already protected. DO NOT REMOVE THE SHORT CIRCUITS UNTIL YOU HAVE FINISHED FITTING THE PICK-UP.

  • Page 12: Pcb Layout

    PCB LAYOUT DISPLAY BOARD KEY BOARD LIVE BOARD LED BOARD - 12 -...
  • Page 13 MAIN BOARD - 13 -...

  • Page 14: Schematic Diagram

    SCHEMATIC DIAGRAM R301 R302 R304 M103 M101 M102 M104 REPEAT B.SCAN F.SCAN TIME M107 M108 PREV NEXT R303 R305 C308 10u/16V R312 10uH L302 R313 +D5V C419 C420 10uF/16V M113 REMOTE SENSOR M314 REM_IN AUTO R314 OPEN M315 TRIGGER_IN R1316 4K7 Q307 8050 R338 10K...
  • Page 15 DISPLAY SPDR TRDR TFDR GND2 RCIN1 SRDR VBIN1 SRDR SFDR SPDR SFDR VBIN VREFI VCC1 VREFO FRDR TRDR FRDR FFDR TFDR FFDR RCIN3 RCIN2 TRK- FCS+ TRK+ FCS- MUTE GND1 RFDC ADIO AVSS0 IGEN AVDD0 ASYO ASYI BIAS RFAC AVSS3 CLTV FILO FILI...
  • Page 16 RF AMP - 16 -...
  • Page 17 IR_INPUT - 17 -...
  • Page 18 P OWE R K501B RELAY RELAY K501A C800 4700p POWER_SW M802 - 18 -...

  • Page 19: Ic Block Diagram

    IC BLOCK DIAGRAM MAIN BOARD U101: CXA2581N MAIN BOARD U202: BA6392FP CH1OUTF CH1OUTR RCIN1 CH1RIN INTER FACE CH1FIN VREFIN VREFOUT SHUTDOWN CH2FIN INTER FACE CH2RIN RCIN2 CH2OUTR CH2OUTF DRIVE MUTE 28 GND 27 CH4OUTF LEVEL SHIFT 26 CH4OUTR 25 VBIN 190K 24 VSIN 100K...
  • Page 20 MAIN BOARD U201: CXD3017Q Clock Generator RFAC ASYI Asymmtery ASYO Corrector BIAS XPCK FILO Digital FILI CLTV Digital LOCK SENS DATA XLAT CLOK Interface SPOA SPOB XLON SCOR SQSO SQCK Signal Processor Block Servo Block RFDC OPAmp Analog SW Converter IGEN Error Corrector...
  • Page 21 MAIN BOARD U301: M38B57MC RDY2 CLK22 CLK21 CLK12 CLK11 OUT1 STB1 /INT BUSY1 RDY1 I/O ports Port P0(8) Build-in peripheral functions A-D converter (10-bit X 12 channel) Serial I/O Serial I/O1(Clock-synchronized) (256 byte automatic transfer) (Clock-synchronized or UART) PWM1(8-bit) PWM0(14-bit) Buzzer output FLD display function 40 control pins...
  • Page 22 MAIN BOARD U302: PCM1732 LRCIN 28 ML/I 27 MC/DEM BCKIN 26 MD/F SS CLKO 25 MUTE 24 MODE 23 CS/1WO DGND 22 RST PCM1732U V DD ZERO HDCD GAIN V CC 2R 19 V CC 2L AGND2R 18 AGND2L EXTL EXTR V OUT R 16 V OUT L...

  • Page 23: Troubleshooting Guide

    TROUBLESHOOTING GUIDE SET POWER SWITCH TO ON. IS POWER TURNED ON ? M507,M512-M514 DEFECTIVE IS THERE OPEN/ CLOSE KEY SIGNAL CAN TRAY BE OPENED ? CHECK OPEN/ CLOSE SIGNAL AT U401 CAN TRAY BE CLOSED ? TRAY OPEN TRAY CLOSE IS LOADING MOTOR DRIVE CIRCUIT LOADING MOTOR AND LEAD WIRE DEFECTIVE OR LOADING PART OF MECHANISM DEFECTIVE.

  • Page 24: Electrical Parts List

    ELECTRICAL PARTS LIST Reference No. DISP ASSY PC BOARD WIRE M505A M506A PC BOARD MISCELLANEOUS 0017 0024 LED1 M113 M501 KEY ASSY PC BOARD RESISTOR R301,R306,R307 R302,R303 R304,R305 SWITCH M101-M110 WIRE M120A PC BOARD LED ASSY PC BOARD Part No. Description PCB-N0A70C-DISP PCB ASSY DISP N0A70C...
  • Page 25 Reference No. D304 WIRE M301A PC BOARD LIVE ASSY PC BOARD SWITCH M802 PC BOARD MISCELLANEOUS C800 M801,M806 M810 *CE MAIN ASSY PC BOARD CAPACITOR C102,C103,C207,C208,C210, C213,C217,C222,C227,C228, C304,C322,C386,C409,C412, C413,C416,C417,C450,C528 C105-C110,C230 C111 C201,C204 C203,C216,C221 C206 C209,C223 C211,C212,C414,C415 C214,C215 Part No. Description 3700-3517-RG LED RED/GREEN (L-469HGW) 7703-1280-2004...
  • Page 26 Reference No. C218 C219,C220 C226 C229 C303,C370 C305 C306,C514,C515 C307 C308,C325,C334,C418,C420 C310,C710 C320,C321,C323,C324,C332 C328,C329 C352,C353 C356,C357 C362,C363 C366,C367 C371-C374,C527 C375,C376 C377,C378 C383 C384 C385 C387,C419,C539,C544 C407 C506,C507 C508,C533 C510 C511 C512,C513,C537,C538 C521 C522 C525 C529 C560 C561 C713 COIL L101,L102,L302 L201 L301 WAFER/CONNECTOR...
  • Page 27 Reference No. M301B M502 M505B M506B JACK M313,M315 M317 M318 M319 CRYSTAL M302 SCREW U101 U201 U202 U301 U302 U305,U306 U402 U403 U501,U506 U502 U503 U507 RELAY K501,K502 RESISTOR J178,R227,R3,R408,R409,R411 R1,R111,R201,R316,R327,R328, R329,R331,R333,R334,R337, R355,R356,R358,R362,R377, R378,R381,R382,R394,R395, R396,R397,R407,R412 R103,R104 Part No. Description 2102-031S-004 3 PIN ST.
  • Page 28 Reference No. R105,R110,R30-R310 R106 R107,R212,R220,R225,R311, R373,R374,R410,R414 R108 R109,R119,R218,R219,R322 R112,R113,R114 R115 R116,R117 R118,R213,R224,R230,R312, R321,R335,R336,R338,R357, R361,R403 R121-R124,R202-R207, R209-R211,R217,R315,R317, R332,R402 R125,R215 R214 R223 R226 R228,R229 R318,R320,R517,R518,R520 R319 R359,R360 R363,R364 R367,R368,R371,R372,R503,R504 R375,R376,R379,R380,R384 R383 R405 R406,R415 R413,R416,R523 R501,R502 DIODE D301-D303,D307,D308,D404, D409,D411-D415,D426,D431 D305 D403 D501-D504 D505 D510 Part No.
  • Page 29 Reference No. TRANSISTOR Q101,Q104,Q105 Q103,Q106,Q107,Q307-Q312 Q301-Q304 Q401,Q403 Q402 Q404 Q405 Q502 SWITCH M314 HEATSINK U501-U503,U506,U507 WIRE M101 M102C M105A PC BOARD MISCELLANEOUS GND1 M302 M302 M303 M316 M402 M507,M512,M513,M514 U502,U503 NOTE: The components identified by Replace only with part number specified. <*AH >...

  • Page 30: Mechanism Exploded View

    MECHANISM EXPLODED VIEW WSL-2130CCM (x4) (x2) (x4) (x2) (x2) (x2) (x2) - 30 - (x2)

  • Page 31: Mechanism Exploded View Parts List

    MECHANISM EXPLODED VIEW PARTS LIST Item Part No. 4102-9000-0 4102-9001-0 4102-9002-0 4102-9003-0 4102-9004-0 4102-9005-0 4102-9006-0 4102-9007-0 4102-9008-0 4102-9009-0 4102-9010-0 4102-9011-0 4102-9012-0 4102-9013-0 4102-9014-0 4102-9015-0 4102-9016-0 4102-9017-0 4102-9018-0 4102-9019-0 4102-9020-0 4102-9021-0 4102-9022-0 4102-9023-0 4102-9024-0 4102-9025-0 4102-9026-0 4102-9027-0 4102-9028-0 4102-9029-0 4102-9030-0 4102-9031-0 Description Outside Main Chassis Tray...

  • Page 32: Exploded View

    EXPLODED VIEW - 32 -...

  • Page 33: Exploded View Parts List

    EXPLODED VIEW PARTS LIST Item 0001 *AH GREY/*CE GREY 0001 *AH TI/*CE TI 0002 0003 *AH GREY/*AH TI 0003 *CE GREY/*CE TI 0005 *AH GREY/*CE GREY 0005 *AH TI/*CE TI 0006 *AH GREY/*CE GREY 0006 *AH TI/*CE TI 0007 *AH GREY/*CE GREY 0007 *AH TI/*CE TI 0008 0010 *AH GREY/*CE GREY...
  • Page 34 Item 0211 0213 0216 0218 0219 0225 0226 0227 0228 0230 0301 0304 0309 0311 0315 0316 0500 *AH GREY/*AH TI 0500 *AH GREY/*AH TI 0501 0502 M500 NOTE: The components identified by Replace only with part number specified. <*AH > : USA, Canadian model only.

  • Page 35: Packing Diagram

    4301-7073-0 2103-7302-1 4060-0530-0 8912-0038-0 1405-2520-0 Proprietary information for servicing purposes only. The information herein may not be used com- mercially without the prior written agreement of NAD Electronics International, Toronto, Canada. DESCRIPTION CARTON BOX C542 POLYFORM ENDCAP POLYBAG MANUAL POLYBAG...
  • Page 36 © NAD 2003 NAD ELECTRONICS INTERNATIONAL TORONTO...

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