Sony EVO-720P - Page 261

E-E output level check
lete: This check is unnecessary for the player side,
Mode EE
: 400° Hz, —10 dBs: Recorder
Signal
audio input terminal L’ [R]
Pin @ of CNOO1 on PA-11P
board (L PB OUT)
(Pin © (R PB OUT)]
Audio level meter
—16.0£0.5 dBs
Measurement Point
Measuring Instrument
Specified Value
hecking method :
} Confirm that signal level is —16.0+0.5 dBs.
PCM recording jeve! adjustment
(PA-11P/MB-9P boards)
ote: This adjustment is unnecessary for the player
side,
Self-recording and playback
400 Hz, —10 dBs: Recorder
audio input terminal L (R]}
Pin @ of CNOO1 on PA-11P
board (L PB OUT)
[Pin © (R PB OUT)]}
RV002 on PA-11P board -
[RV052]
feasurement Point
feasuring Instrument
.djusting Element
pecified Value [-14.0%05 Bs
te; Perform “NR decode ievel adjustment” first.
Justing method:
Record the signal.
Playback the recorded section,
Confirm’ that the playback signal level is
~ 14,0405 dBs,
If the reading does not meet the specification,
adjust RV002 [RV052] and repeat steps 1) to 3).
8. Overall frequency characteristics check
Mode Self-recording and playback
@®400 Hz, —20 dBs
©20 Hz, ~20 dBs
Signal ©14 kHz, ~20 dBs
Recorder audio input
terminal L [R]
Pin © of CNO03 on MB-9P
board [Pin @]
Audio level meter
Measurement Point
Measuring Instrument
When the 400 Hz playback
output ievel is specified as
0 dB, the playback output
levels of 20 Hz becomes
0 *3 dB, the playback
output levels of 14 kHz
becomes 0 +2 dB.
Specified Value
Note: When checking the player side, use a tape
recorded on the recorder side,
Checking method :
1) Record signals ® to ©, in this order,
2) Play back the recorded section.
8) Confirm that the 20 Hz playback output level
is 02 dB and the 14 kHz playback output level
is 0 +5 dB when the 400 Hz playback output
level is set to 0 dB.
® ® ©
20 Hz 400 Hz 14 kHz
+248 +2 <8
-3 B- -3 dB
Fig. 8-54.
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