46
RCD-W500C
4)
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 seconds
later, stop playback (1X) and select 4x of the test mode (refer
to page 21, Play Speed Selection Mode (Deck A)) Playback
Speed. Then press the
H
button of Deck A. After playback
starts, press “OK”.
6)
As prompted by the message shown in Fig. 4-40, check that
the waveform as shown in Fig. 4-39 appears on an oscilloscope.
7)
As prompted by the message shown in Fig. 4-42, check that
the waveform as shown in Fig. 4-41 appears on an oscilloscope.
4
Fig. 4-37
4
Fig. 4-38
4
Fig. 4-40
4
Fig. 4-42
RF signal waveform
VOLT/DIV : suitable value
TIME/DIV : 500ns
4
Fig. 4-39
RF signal waveform
VOLT/DIV : suitable value
TIME/DIV : 500ns
4
Fig. 4-41
8)
Check that the message “CDR REC-CHECK completed!” appears.
(The tray opens.)
Stop playback (4X) and exit from the test mode (Deck A).
(refer to page 21.)
NG Judgment Result Indication
4-4-1.
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 outside
the specification.
Measure : Check if there is any abnormality in RBD2.
Replace KRM-220CAA.