6-124
HVR-A1J/A1U/A1N/A1E/A1P/A1C
2. Microphone Power Supply Check
Mode
CAMERA-TAPE mode
Signal
No signal
Measurement Point
XLR adaptor (INPUT1, INPUT2)
+ probe: pin
2
,
3
– probe: pin
1
Measuring Instrument
Digital voltmeter
Specified value
A = 46.0
±
3.0 V
Checking method:
1) Connect the + probe of digital voltmeter to the pin
2
on the
INPUT1.
2) Set the +48V switch (INPUT1) to “ON”.
3) Check that the DC voltage (A) satisfies the specified value.
4) Connect the + probe of digital voltmeter to the pin
3
on the
INPUT1.
5) Check that the DC voltage (A) satisfies the specified value.
6) Set the +48V switch (INPUT1) to “OFF”.
7) For the INPUT2, perform checking in the same manner.
3. INPUT1 LINE Check
Mode
CAMERA-TAPE mode
Signal
1 kHz, +3.47 Vp-p (+4 dBs) signal:
XLR terminal (INPUT1)
Measurement Point
Audio L terminal of A/V OUT jack
Measuring Instrument
Oscilloscope
Specified value
1.037 Vp-p to 1.646 Vp-p
(–4.5 dBs
±
2 dB)
Switch setting (XLR adaptor)
1) INPUT1: REC CH SELECT ............................................. CH1
2) INPUT1: INPUT LEVEL ................................................... LINE
3) INPUT1: +48V ..................................................................... OFF
Checking method:
1) Input 1 kHz, +3.47 Vp-p (+4 dBs) signal in the XLR terminal
(INPUT1).
2) Check that the 1 kHz signal level is the specified value.
4. INPUT1 MIC Check
Mode
CAMERA-TAPE mode
Signal
1 kHz, +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
0.519 Vp-p to 0.828 Vp-p
(–10.5 dBs
±
2 dB)
Switch setting (XLR adaptor)
1) INPUT1: REC CH SELECT ................................................ CH1
2) INPUT1: INPUT LEVEL .................................................... MIC
3) INPUT1: +48V ..................................................................... OFF
Checking method:
1) Input 1 kHz, +2.19 mVp-p (–60 dBs) signal in the XLR termi-
nal (INPUT1).
2) Check that the 1 kHz signal level is the specified value.
5. INPUT1 MIC ATT Check
Mode
CAMERA-TAPE mode
Signal
1 kHz, +21.9 mVp-p (–40 dBs) signal:
XLR terminal (INPUT1)
Measurement Point
Audio L terminal of A/V OUT jack
Measuring Instrument
Oscilloscope
Specified value
0.519 Vp-p to 0.828 Vp-p
(–10.5 dBs
±
2 dB)
Switch setting (XLR adaptor)
1) INPUT1: REC CH SELECT ................................................ CH1
2) INPUT1: INPUT LEVEL ............................................ MIC ATT
3) INPUT1: +48V ..................................................................... OFF
Checking method:
1) Input 1 kHz, +21.9 mVp-p (–40 dBs) signal in the XLR termi-
nal (INPUT1).
2) Check that the 1 kHz signal level is the specified value.
6. INPUT1 LOW CUT Check
Mode
CAMERA-TAPE 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
0.260 Vp-p to 0.417 Vp-p
(–16.5 dBs
±
2 dB)
Switch setting (XLR adaptor)
1) INPUT1: REC CH SELECT ................................................ CH1
2) INPUT1: INPUT LEVEL .................................................. MIC
3) INPUT1: +48V ..................................................................... OFF
Checking method:
1) Set the LOW CUT switch (INPUT1) 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 LOW CUT switch (INPUT1) to “OFF”.
7. REC CH SELECT Check
Mode
CAMERA-TAPE mode
Signal
1 kHz, +2.19 mVp-p (–60 dBs) signal:
XLR terminal (INPUT1)
Measurement Point
Audio R terminal of A/V OUT jack
Measuring Instrument
Oscilloscope
Specified value
0.519 Vp-p to 0.828 Vp-p
(–10.5 dBs
±
2 dB)
Switch setting (XLR adaptor)
1) INPUT1: REC CH SELECT ..................................... CH1
•
CH2
2) INPUT1: INPUT LEVEL .................................................. MIC
3) INPUT1: +48V ................................................................. OFF
Checking method:
1) Input 1 kHz, +2.19 mVp-p (–60 dBs) signal in the XLR termi-
nal (INPUT1).
2) Check that the 1 kHz signal level is the specified value.
