Overall Noise Level Check; Overall Separation Check - Sony DCR-PC101E Service Manual

DCR-PC101/PC101E

4. Overall Noise Level Check

Mode
Signal
Measurement Point
Measuring Instrument
Specified Value
Checking Method:
1) Insert a shorting plug in the MIC jack.
2) Record in the camera mode.
3) Playback the recorded section.
4) Check that the noise level is the specified value.

5. Overall Separation Check

Mode
Signal
Measurement Point
Measuring Instrument
Specified Value
< > : Left channel check
[ ] : Right channel check
Checking Method:
1) Input the 400 Hz, –66 dBs signal in the <right> [left] terminal
of the MIC jack only.
2) Record in the camera mode.
3) Playback the recorded section.
4) Check that the signal level of the audio output <left> [right]
terminal is the specified value.
Camera recording and playback
No signal: Insert a shorting plug in
the MIC jack
Audio left or right terminal of A/V
jack
Audio level meter
Below –45 dBs
(IHF-A filter ON, 20 kHz LPF ON)
Camera recording and playback
400 Hz, –66 dBs signal: MIC jack
<right> [left]
(Connect the MIC jack <left> [right]
to GND)
Audio <left> [right] terminal of A/V
jack
Audio level meter
Below –40 dBs (IHF-A filter ON)
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