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6-46
DCR-HC51E/HC52/HC52E/HC53E/HC54/HC54E_ADJ
5.
Overall Separation Check
Mode
Recording (CAMERA mode) and
playback (PLAY/EDIT mode)
playback (PLAY/EDIT mode)
Signal
400 Hz,
−7.5 dBs signal:
Audio <left> [right] terminal of A/V
R jack
No signal:
Audio <left> [right] terminal of A/V
R jack
R jack
No signal:
Audio <left> [right] terminal of A/V
R jack
Measurement Point
Audio <left> [right] terminal of A/V
R jack
R jack
Measuring Instrument
Audio level meter
Specified Value
Below
−40 dBs
Note : 0dBs = 0.775Vrms
< > : Left channel check
[ ] : Right channel check
< > : Left channel check
[ ] : Right channel check
Checking Method:
1) Select page: 7, address: 05, and set the bit value of bit 7 to “1”.
2) Input the 400 Hz,
1) Select page: 7, address: 05, and set the bit value of bit 7 to “1”.
2) Input the 400 Hz,
−7.5 dBs signal in the audio <left> [right]
terminal of A/V R jack.
Connect the audio <left> [right] terminal of A/V R jack to
GND using a jumper wire.
Connect the audio <left> [right] terminal of A/V R jack to
GND using a jumper wire.
3) Record the signal.
4) Remove the input signal, and remove the jumper wire.
5) Playback the recorded section.
6) Check that the signal level of the audio <left> [right] terminal
4) Remove the input signal, and remove the jumper wire.
5) Playback the recorded section.
6) Check that the signal level of the audio <left> [right] terminal
is the specified value.
7) Select page: 7, address: 05, and set the bit value of bit 7 to “0”.
3.
Overall Distortion Check
Mode
Recording (CAMERA mode) and
playback (PLAY/EDIT mode)
playback (PLAY/EDIT mode)
Signal
400 Hz, –7.5 dBs signal:
Audio left and right terminal of A/V R
jack
Audio left and right terminal of A/V R
jack
Measurement Point
Audio left or right terminal of A/V
R jack
R jack
Measuring Instrument
Audio distortion meter
Specified Value
Below 0.4%
(200 Hz to 6 kHz BPF ON)
(200 Hz to 6 kHz BPF ON)
Note : 0dBs = 0.775Vrms
Checking Method:
1) Select page: 7, address: 05, and set the bit value of bit 7 to “1”.
2) Input the 400 Hz, –7.5 dBs signal in the audio left and right
1) Select page: 7, address: 05, and set the bit value of bit 7 to “1”.
2) Input the 400 Hz, –7.5 dBs signal in the audio left and right
terminal of A/V R jack.
3) Record the signal.
4) Remove the input signal.
5) Playback the recorded section.
6) Check that the distortion is the specified value.
7) Select page: 7, address: 05, and set the bit value of bit 7 to “0”.
4) Remove the input signal.
5) Playback the recorded section.
6) Check that the distortion is the specified value.
7) Select page: 7, address: 05, and set the bit value of bit 7 to “0”.
4.
Overall Noise Level Check
Mode
Recording (CAMERA mode) and
playback (PLAY/EDIT mode)
playback (PLAY/EDIT mode)
Signal
No signal:
Audio left and right terminal of A/V R
jack
Audio left and right terminal of A/V R
jack
Measurement Point
Audio left or right terminal of A/V
R jack
R jack
Measuring Instrument
Audio level meter
Specified Value
Below
−45 dBs
(IHF-A filter ON, 20 kHz LPF ON)
Note : 0dBs = 0.775Vrms
Checking Method:
1) Select page: 7, address: 05, and set the bit value of bit 7 to “1”.
2) Connect the audio left terminal of A/V R jack to GND using a
1) Select page: 7, address: 05, and set the bit value of bit 7 to “1”.
2) Connect the audio left terminal of A/V R jack to GND using a
jumper wire.
Connect the audio right terminal of A/V R jack to GND using
a jumper wire.
Connect the audio right terminal of A/V R jack to GND using
a jumper wire.
3) Record the signal.
4) Remove the jumper wires.
5) Playback the recorded section.
6) Check that the noise level is the specified value.
7) Select page: 7, address: 05, and set the bit value of bit 7 to “0”.
4) Remove the jumper wires.
5) Playback the recorded section.
6) Check that the noise level is the specified value.
7) Select page: 7, address: 05, and set the bit value of bit 7 to “0”.
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