Sony RCD-W2000ES Sevice Manual page 47

Compact disc recorder
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6)
As prompted by the message shown in Fig. 4-48, check that
the waveform as shown in Fig. 4-47 appears on an oscilloscope.
RF signal waveform
4 Fig. 4-47
7)
As prompted by the message shown on display, check that the waveform as shown in Fig. 4-49 appears on an oscilloscope.
RF signal waveform
4 Fig. 4-49
8)
Check that the message "CDRW REC-CHECK completed!"
appears. (Fig. 4-50)(The tray opens.)
Stop playback (4X) and exit from the test mode (Deck A).
(refor to page 19.)
NG Judgment Result Indication
4-5-1. CD-RW 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 outside
the specification.
Measure : Check if there is any abnormality in RBD2.
Replace KRM-220CAA.
VOLT/DIV : suitable value
TIME/DIV : 500ns
VOLT/DIV : suitable value
TIME/DIV : 500ns
4 Fig. 4-48
4 Fig. 4-50
RCD-W2000ES
47

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