File name Denon-CDR25_26 cdrw.pdfharman/kardon
CDR25 CDR26
Dual Tray CD-R/CD-RW Recorder/Player
PRELIMINARY SERVICE MANUAL
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . .. . . . 2 SERVICING PRECAUTIONS . . . . . . . . ... . . .. . 3 ESD PRECAUTIONS . . . . . . . . . . . . . . . . . .. . . 5 SPECIAL NOTE ON CDR26 RECORDING. . .. . 6 FRONT PANEL CONTROLS ... . . .. . . .. . 7 FRONT PANEL DISPLAY ... . . .. . . . . . . 9 REAR PANEL CONNECTIONS. . . . . . . . . . .. . 11 REMOTE CONTROL FUNCTIONS. . . . . .. .. ...12 INSTALLATION/CONNECTIONS. . . . . . . .. . ...14 BASIC TROUBLESHOOTING GUIDE & ERROR MESSAGES . . . ... 16 WIRING DIAGRAMS . . . . . . . . .. . . . ... . . . . . . 17 BLOCK DIAGRAMS . . . . . . . . .. . . .. . .. .. . . . .19 DETAILED TROUBLESHOOTING GUIDE ...24 WAVEFORMS. . . . . . . . . . . . . . . . . . ... 47 EXPLODED VIEWS . . . . . . . . . . . .. . .. . .. . . . . 49 MECHANICAL PARTS LIST... .. . . . . . .. . 52 ELECTRICAL PARTS LIST . . . . . .. . . ... ...54 PCB DRAWINGS. . . . . . . . . . . . ... . .. . . . .. . . 71 SCHEMATIC DIAGRAMS . . . . . . . . . . . .. . . . . 74
harman/kardon, Inc. 250 Crossways Park Dr. Woodbury, New York 11797
CDR 26
Signal Format
TECHNICAL SPECIFICATIONS
Playback Sampling Frequency D/A Conversion Oversampling Playback Specifications Frequency Response Playback S/N Playback Dynamic Range Playback THD Analog Audio Output Digital-Coaxial Output Headphone Output Record Specifications Digital Input Sample Rates Recording S/N: Analog Recording S/N: Digital Dub Mode Recording S/N: Digital External Source Recording Dynamic Range Recording THD Analog Input Sensitivity Digital Inputs (Direct Recording) General Power Requirement Power Consumption Dimensions Width Height Depth Weight
44.1kHz 96kHz, Multi-Bit Delta-Sigma Conversion 128 Times
2Hz 20,050Hz 100dB 95dB 0.01%/0dB 2V RMS, ± 2dB 0.5Vpp/75 1V RMS/32 Load
32kHz 96kHz 80dB Equal to Source Source 10dB 90dB 0.01%/0dB 330mV RMS 47k = 0dB 44.1kHz, ±100 ppm/min.
110~240 VAC/50~60Hz 20 Watts 17-5/16"/440mm 4-7/16"/112mm 13-15/16"/355mm 13 lb/5.8kg
Depth measurement includes knobs, buttons and connection jacks. Height measurement includes feet and chassis. All features and specifications are subject to change without notice. Harman Kardon and Power for the Digital Revolution are registered trademarks of Harman Kardon, Inc. DTS is a registered trademark of Digital Theater Systems, Inc.
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SERVICING PRECAUTIONS
NOTES REGARDING HANDLING OF THE PICK-UP
1. Notes for transport and storage
1) The pick-up should always be left in its conductive bag until immediately prior to use. 2) The pick-up should never be subjected to external pressure or impact.
Storage in conductive bag
Drop impact
2. Repair notes
1) The pick-up incorporates a strong magnet, and so should never be brought close to magnetic materials. 2) The pick-up should always be handled correctly and carefully, taking care to avoid extern |