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harman/kardon
CDR25
CDR26
Dual Tray CD-R/CD-RW Recorder/Player
PRELIMINARY SERVICE MANUAL
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . .. . . . 2 WIRING DIAGRAMS . . . . . . . . .. . . . ... . . . . . . 17
SERVICING PRECAUTIONS . . . . . . . . ... . . .. . 3 BLOCK DIAGRAMS . . . . . . . . .. . . .. . .. .. . . . .19
ESD PRECAUTIONS . . . . . . . . . . . . . . . . . .. . . 5 DETAILED TROUBLESHOOTING GUIDE .......24
SPECIAL NOTE ON CDR26 RECORDING. . .. . 6 WAVEFORMS. . . . . . . . . . . . . . . . . . ............. 47
FRONT PANEL CONTROLS ........... . . .. . . .. . 7 EXPLODED VIEWS . . . . . . . . . . . .. . .. . .. . . . . 49
FRONT PANEL DISPLAY ........... . . .. . . . . . . 9 MECHANICAL PARTS LIST........... .. . . . . . .. . 52
REAR PANEL CONNECTIONS. . . . . . . . . . .. . 11 ELECTRICAL PARTS LIST . . . . . .. . . ..... .......54
REMOTE CONTROL FUNCTIONS. . . . . .. .. ...12 PCB DRAWINGS. . . . . . . . . . . . ..... . .. . . . .. . . 71
INSTALLATION/CONNECTIONS. . . . . . . .. . ...14 SCHEMATIC DIAGRAMS . . . . . . . . . . . .. . . . . 74
BASIC TROUBLESHOOTING GUIDE &
ERROR MESSAGES . . . ............................ 16
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797
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CDR 26 TECHNICAL SPECIFICATIONS
Signal Format
Playback Sampling Frequency 44.1kHz
D/A Conversion 96kHz, Multi-Bit Delta-Sigma Conversion
Oversampling 128 Times
Playback Specifications
Frequency Response 2Hz