Sony HVR-Z7J Service Manual page 326

4. INPUT1 MIC Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
Note 1: 0 dBu = 0.775 Vrms/balance
Note 2: 0 dBs = 0.775 Vrms
Switch setting
1) INPUT1 switch ................................................................ MIC
Checking method:
1) Input 1 kHz, –50 dBu signal in the XLR terminal (INPUT1).
2) Check that the 1 kHz signal level is the specified value.
5. INPUT2 MIC Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
Note 1: 0 dBu = 0.775 Vrms/balance
Note 2: 0 dBs = 0.775 Vrms
Switch setting
1) INPUT2 switch ................................................................ MIC
Checking method:
1) Input 1 kHz, –50 dBu signal in the XLR terminal (INPUT2).
2) Check that the 1 kHz signal level is the specified value.
HVR-Z7J/Z7U/Z7N/Z7E/Z7P/Z7C
CAMERA mode
1 kHz, –50 dBu signal:
XLR terminal (INPUT1)
Audio L terminal of A/V OUT jack
Audio level meter, Oscilloscope
–12 dBs ± 2 dB
CAMERA mode
1 kHz, –50 dBu signal:
XLR terminal (INPUT2)
Audio R terminal of A/V OUT jack
Audio level meter, Oscilloscope
–12 dBs ± 2 dB
6. INPUT1 MIC ATT Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
(INPUT1 TRIM: –6 dB)
Switch setting
1) INPUT1 switch ................................................................ MIC
Checking method:
1) Input 1 kHz, –50 dBu signal in the XLR terminal (INPUT1).
2) Set the INPUT1 TRIM (AUDIO SET menu: XLR SET) to
"–6dB".
3) Check that the 1 kHz signal level is the specified value.
4) Set the INPUT1 TRIM (AUDIO SET menu: XLR SET) to
"0dB".
7. INPUT2 MIC ATT Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
(INPUT2 TRIM: –6 dB)
Note 1: 0 dBu = 0.775 Vrms/balance
Note 2: 0 dBs = 0.775 Vrms
Switch setting
1) INPUT2 switch ................................................................ MIC
Checking method:
1) Input 1 kHz, –50 dBu signal in the XLR terminal (INPUT2).
2) Set the INPUT2 TRIM (AUDIO SET menu: XLR SET) to
"–6dB".
3) Check that the 1 kHz signal level is the specified value.
4) Set the INPUT2 TRIM (AUDIO SET menu: XLR SET) to
"0dB".
6-136
CAMERA mode
1 kHz, –50 dBu signal:
XLR terminal (INPUT1)
Audio L terminal of A/V OUT jack
Audio level meter
–18 dBs ± 2 dB
CAMERA mode
1 kHz, –50 dBu signal:
XLR terminal (INPUT2)
Audio R terminal of A/V OUT jack
Audio level meter
–18 dBs ± 2 dB