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Sony RCD-W50C Service Manual
Also see for RCD-W50C - Cd/cdr Recorder/player: ManualOperating instructionsOperating instructionsDimensions
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46RCD-W50C4) Press the H button of Deck A. After playback starts, press“OK”. (Fig. 4-37)5) When the message as shown in Fig. 4-38 appears some secondslater, select 4x of the test mode (refer to page 22, Play SpeedSelection Mode (Deck A)) PLAYBACK SPEED. Then pressthe H button of Deck A. After playback starts, press “OK”.6) As prompted by the message shown in Fig. 4-40, check thatthe waveform as shown in Fig. 4-39 appears on an oscilloscope.7) As prompted by the message shown in Fig. 4-42, check thatthe waveform as shown in Fig. 4-41 appears on an oscilloscope.4 Fig. 4-374 Fig. 4-384 Fig. 4-404 Fig. 4-42RF signal waveformVOLT/DIV : suitable valueTIME/DIV : 500ns4 Fig. 4-39RF signal waveformVOLT/DIV : suitable valueTIME/DIV : 500ns4 Fig. 4-418) Check that the message “CDR REC-CHECK completed!” appears.NG Judgment Result Indication4-4-1. CD-R Playback Measurement NG!Contents : This message appears when the BLER (Block Error Rate) *Beta/m11 of the track that is recorded and played back, is outsidethe specification.Measure : Check if there is any abnormality in RBD1.Replace KRM-220CAA. |
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