Sony EVO-720P - Page 263

E-E output level check
lote: This check is unnecessary for the player side.
Mode EE
Signal 400 Hz, —10 dBs
Measurement Point Fin ® eECN00S: onc MA22:
Measuring Instrument | Audio level meter
Specified Value —7+2 dBs |
hecking method ;
) Confirm that the audio output level is ~7+2 dBs,
Overall leve! characteristics check
fode
tignal
Self-recording and playback
400 Hz, -10 dBs
Checking recorder side :
Pin @ of CNO03 on
MA-22 board
Checking player side:
Pin ® of CNO1O on
MA-22 board
Audio level meter
~1041.5 dBs
feasurement Point
Jeasuring Instrument
pecified Value
te: When checking the player side, use a tape
recorded on the recorder side.
ecking method :
Record the signal,
Playback the recorded section,
Confirm that the audio
~IO+LS dBs,
output level is
5, Overall frequency characteristics check
[Mode Selfrecording and playback
: @ 400 Hz, -20 dBs
Signal ® 30 Hz, ~20 dBs
© 14 kHz, —20 dBs
Checking recorder side:
Pin @ of CNO03 on
MA-22 board
Checking player side :
Pin ® of CNO10 on
MA-22 board
Measuring Instrument | Audio level meter
When the 400 Hz playback
output level is specified as
OdB, the playback output
levels of 30 Hz and 14. kHz
become both 023 dB.
Measurement Point
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) Playback the recorded section,
3) Confirm that 30 Hz and 14 kHz playback output
levels are both O+3 dB when the 400 Hz
playback output level is set to 0 dB,
® ® ©
30 Hz 14 kHz
400 Hz
+3 dB +3 dB
Fig. 8-55. Overall frequency characteristics check
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