Sony HVR-Z5C Service Manual page 288

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) INPUT SELECT (CH1) switch ................................. INPUT1
2) INPUT SELECT (CH2) switch ................................. INPUT2
3) 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.
3) Take a note of the Lch level.
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
Note 3: The level difference between Lch and Rch must be within
± 1dB.
Switch setting
1) INPUT SELECT (CH1) switch ................................. INPUT1
2) INPUT SELECT (CH2) switch ................................. INPUT2
3) 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.
3) Check the Rch output level against the Lch output level taken
in the item "4. INPUT1 MIC Check" is satisfied the specified
value.
HVR-Z5C/Z5E/Z5J/Z5N/Z5P/Z5U
CAMERA mode
1 kHz, –50 dBu signal:
XLR terminal (INPUT1)
Audio L terminal of A/V Remote
Connector
Audio level meter, Oscilloscope
–12 dBs ± 2 dB
CAMERA mode
1 kHz, –50 dBu signal:
XLR terminal (INPUT2)
Audio R terminal of A/V Remote
Connector
Audio level meter, Oscilloscope
–12 dBs ± 2 dB (Note 3)
6. INPUT1 MIC ATT Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
(INPUT1 TRIM: –6 dB)
Switch setting
1) INPUT SELECT (CH1) switch ................................. INPUT1
2) INPUT SELECT (CH2) switch ................................. INPUT2
3) INPUT1 switch ................................................................ MIC
4) AUTO/MAN switch (CH1) .......................................... AUTO
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".
5) Take a note of the Lch level.
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) INPUT SELECT (CH1) switch ................................. INPUT1
2) INPUT SELECT (CH2) switch ................................. INPUT2
3) INPUT2 switch ................................................................ MIC
4) AUTO/MAN switch (CH2) .......................................... AUTO
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".
6-112
CAMERA mode
1 kHz, –50 dBu signal:
XLR terminal (INPUT1)
Audio L terminal of A/V Remote
Connector
Audio level meter
–18 dBs ± 2 dB
CAMERA mode
1 kHz, –50 dBu signal:
XLR terminal (INPUT2)
Audio R terminal of A/V Remote
Connector
Audio level meter
–18 dBs ± 2 dB (Note 3)