Sony DVCAM DSR-PDX10 Service Manual page 241

DSR-PDX10/PDX10P
3-5. AUDIO SYSTEM ADJUSTMENTS
Switch setting:
MIC LEVEL (Menu setting) ........................................ AUTO
[Connection of Audio System Measuring Devices]
Connect the audio system measuring devices as shown in Fig. 6-3-
10.
Recording (Camera mode)
600 Ω
Audio oscillator
Attenuator
600 Ω: 270 Ω (1-249-410-11) + 330 Ω (1-249-411-11)
Playback
Main unit
Left (White)
AUDIO/
Right
VIDEO
OUT
(Red)
Main unit
MIC
Left
Right
TV monitor
Video (Yellow)
Audio level meter
47k Ω
or Distortion meter
47k Ω
47k Ω (1-249-437-11)
Fig. 6-3-10.
1. Playback Level Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified Value
Checking Method:
1) Check that the playback signal level is the specified value.
2. Overall Level Characteristics Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified Value
Checking Method:
1) Input the 400Hz, –66dBs signal in the MIC jack.
2) Record in the camera mode.
3) Playback the recorded section.
4) Check that the 400Hz signal level is the specified value.
3. Overall Distortion Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified Value
Checking Method:
1) Input the 400Hz, –66dBs signal in the MIC jack.
2) Record in the camera mode.
3) Playback the recorded section.
4) Check that the distortion is the specified value.
6-86
VTR playback
Alignment tape:
For audio operation check
(XH5-3 (NTSC))
(XH5-3P (PAL))
Audio left or right terminal of
AUDIO/ VIDEO jack
Audio level meter and frequency
counter
32 kHz mode: 1 kHz, +3.0 ± 2.0dBs
48 kHz mode: 1 kHz, +3.0 ± 2.0dBs
44.1 kHz mode:
The 7.35kHz signal level during EMP
OFF is +2.0 ± 2.0dBs.
The 7.35kHz signal level during EMP
ON is –6 ± 2 dB from the signal level
during EMP OFF.
Camera recording and playback
400Hz, –66 dBs signal: MIC jack left
and right
Audio left or right terminal of
AUDIO /VIDEO jack
Audio level meter
–7.5 ± 3.0dBs
Camera recording and playback
400Hz, –66dBs signal: MIC jack left
and right
Audio left or right terminal of
AUDIO/VIDEO jack
Audio distortion meter
Below 0.4%
(200Hz to 6kHz BPF ON)