Read Sony HDR-HC9 / HDR-HC9E (serv.man4) Service Manual online
6-78
HDR-HC9/HC9E_ADJ
3-5.
AUDIO SYSTEM ADJUSTMENTS
[Connecting the measuring instruments for the audio]
Connect the audio system measuring instruments in addition to
the video system measuring instruments as shown in Fig. 6-3-9.
the video system measuring instruments as shown in Fig. 6-3-9.
Fig. 6-3-9
47 k
Ω
47 k
Ω
: 1-249-437-11
TV monitor
A/V jack
Video
Audio (L)
Audio (R)
Audio level meter
In Playback
Main unit
1.
Playback Level Check
Mode
VTR playback (PLAY/EDIT mode)
Signal
Alignment tape:
For audio operation check
(XH5-3 (NTSC))
(XH5-3P (PAL))
(XH5-3 (NTSC))
(XH5-3P (PAL))
Measurement Point
Audio left or right terminal of A/V
OUT jack
OUT jack
Measuring Instrument
Audio level meter and frequency
counter
counter
Specified Value
32 kHz mode: 1 kHz, + 3.0
± 2.0 dBs
48 kHz mode: 1 kHz, + 3.0
± 2.0 dBs
44.1 kHz mode:
The 7.35 kHz signal level during EMP
OFF is +2.0
The 7.35 kHz signal level during EMP
OFF is +2.0
± 2.0 dBs.
The 7.35 kHz signal level during EMP
ON is
ON is
−6 ± 2 dB from the signal level
during EMP OFF.
Checking Method:
1) Check that the playback signal level is the specified value.
1) Check that the playback signal level is the specified value.
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