Sony HVR-V1C, Service Manual, Page: 308 / 475

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HVR-V1J/V1U/V1N/V1E/V1P/V1C
7. INPUT2 MIC ATT Check
Mode CAMERA mode
Signal 1 kHz, +2.19 mVp-p (–60 dBs) signal:
XLR terminal (INPUT2)
Measurement Point Audio R terminal of A/V OUT jack
Measuring Instrument Oscilloscope
Specified value 1.037 Vp-p to 1.643 Vp-p
(INPUT2 TRIM: 0 dB) (–4.5 dBs
±
2 dB)
Specified value 0.413 Vp-p to 0.654 Vp-p
(INPUT2 TRIM: –8 dB) (–12.5 dBs
±
2 dB)
Specified value 0.164 Vp-p to 0.260 Vp-p
(INPUT2 TRIM: –16 dB) (–20.5 dBs
±
2 dB)
Menu setting (AUDIO SET menu)
XLR SET
1) INPUT2 LEVEL .............................................................. MIC
Checking method:
1) Input 1 kHz, +2.19 mVp-p (–60 dBs) signal in the XLR termi-
nal (INPUT2).
2) Set the INPIT2 TRIM (AUDIO SET menu: XLR SET) to
“0dB”.
3) Check that the 1 kHz signal level is the specified value.
4) Set the INPIT2 TRIM (AUDIO SET menu: XLR SET) to
“–8dB”.
5) Check that the 1 kHz signal level is the specified value.
6) Set the INPIT2 TRIM (AUDIO SET menu: XLR SET) to
“–16dB”.
7) Check that the 1 kHz signal level is the specified value.
8) Set the INPIT2 TRIM (AUDIO SET menu: XLR SET) to
“0dB”.
8. INPUT1 LOW CUT Check
Mode CAMERA mode
Signal 300 Hz, +2.19 mVp-p (–60 dBs) signal:
XLR terminal (INPUT1)
Measurement Point Audio L terminal of A/V OUT jack
Measuring Instrument Oscilloscope
Specified value 0.437 Vp-p to 0.693 Vp-p
(–12 dBs
±
2 dB)
Menu setting (AUDIO SET menu)
XLR SET
1) INPUT1 LEVEL .............................................................. MIC
Checking method:
1) Set the INPUT1 WIND (AUDIO SET menu: XLR SET) to
“ON”.
2) Input 300 Hz, +2.19 mVp-p (–60 dBs) signal in the XLR ter-
minal (INPUT1).
3) Check that the 300 Hz signal level is the specified value.
4) Set the INPUT1 WIND (AUDIO SET menu: XLR SET) to
“OFF”.
9. INPUT2 LOW CUT Check
Mode CAMERA mode
Signal 300 Hz, +2.19 mVp-p (–60 dBs) signal:
XLR terminal (INPUT2)
Measurement Point Audio R terminal of A/V OUT jack
Measuring Instrument Oscilloscope
Specified value 0.437 Vp-p to 0.693 Vp-p
(–12 dBs
±
2 dB)
Menu setting (AUDIO SET menu)
XLR SET
1) INPUT2 LEVEL .............................................................. MIC
Checking method:
1) Set the INPUT2 WIND (AUDIO SET menu: XLR SET) to
“ON”.
2) Input 300 Hz, +2.19 mVp-p (–60 dBs) signal in the XLR ter-
minal (INPUT2).
3) Check that the 300 Hz signal level is the specified value.
4) Set the INPUT2 WIND (AUDIO SET menu: XLR SET) to
“OFF”.