NAD C 542 service manual Nad Electronics International, Compact Disc Player, Toronto

Models: C 542

1 36

Page 36

	SERVICE MANUAL
COMPACT DISC PLAYER	C 542

NAD ELECTRONICS INTERNATIONAL

TORONTO

Page 36

Image 36

NAD C 542 service manual Nad Electronics International, Compact Disc Player, Toronto

Contents

C 542 COMPACT DISC PLAYER C O M PA C TDISC PLAYER SAFETY INFORMATION CLASS LASER PRODUCTSERVICE SAFETY PRECAUTIONS CONTENTS2.Safety check out 1.Replacing the fusesSPECIFICATIONS PHYSICAL SPECIFICATIONSCONTROLS REAR PANEL / FRONT PANEL REAR PANELFRONT PANEL DISASSEMBLY INSTRUCTIONS Refer to Figure No.1Figure No.2 BLOCK DIAGRAM KEYBOARDCD MECHANISM UNIT WIRING DIAGRAM TRANSFORMERMAIN BOARD CD MECHANISMRF PATTERN TESTING FIG. 1 aFIG. 1 C Good eye pattern FIG. 1 b Poor eye patternPRECAUTIONS FOR CHECKING BEAM EMISSION IMPORTANT NOTESINCORRECT CORRECTPRECAUTIONS WHEN CHANGING LASER PICK-UP PCB LAYOUT DISPLAY BOARD KEY BOARD LIVE BOARD LED BOARDMAIN BOARD SCHEMATIC DIAGRAM DISPLAY RESISTORS, ARE CARBON FILM 5% 1/8WUNLESS OTHERWISE SPECIFIED RF AMP 1. RESISTORS, ARE CARBON FILM 5% 1/8W UNLESSOTHERWISE SPECIFIED 2. CERAMIC CAPACITORS, ARE 50V 10%. UNLESS1. RESISTORS, ARE CARBON FILM 5% 1/8W UNLESS OTHERWISE SPECIFIED2. CERAMIC CAPACITORS, ARE 50V 10%. UNLESS OTHERWISE SPECIFIEDP OWE R IC BLOCK DIAGRAM MAIN BOARD U101 CXA2581NU202 BA6392FP U403 TC74HC00APMAIN BOARD U201 CXD3017Q U301 M38B57MC MAIN BOARDI/O ports Build-inperipheral functionsU302 PCM1732 MAIN BOARD U402 NADLINK MASKEDMAIN BOARD U501, U506, U507 MAIN BOARDTROUBLESHOOTING GUIDE ELECTRICAL PARTS LIST Reference NoDescription WIREWIRE SWITCHReference No DescriptionWAFER/CONNECTOR Reference NoDescription COILReference No DescriptionJACK CRYSTALReference No DescriptionDIODE SWITCH WIREReference No DescriptionMECHANISM EXPLODED VIEW WSL-2130CCMMECHANISM EXPLODED VIEW PARTS LIST DescriptionEXPLODED VIEW M500EXPLODED VIEW PARTS LIST DescriptionDescription 0211PACKING DIAGRAM Q’TYDESCRIPTION NAD ELECTRONICS INTERNATIONAL COMPACT DISC PLAYERTORONTO

SERVICE MANUAL

COMPACT DISC PLAYER

NAD ELECTRONICS INTERNATIONAL

TORONTO