
5-49
DCR-TRV140/TRV140E/TRV140M
1. Digital8 Playback Level Check
Mode
VTR playback
Signal
Digital8 alignment tape:
For audio operation check
(WR5-3ND (NTSC))
(WR5-3CD (PAL))
Measurement Point
Audio left or right terminal of A/V
OUT jack
Measuring Instrument
Audio level meter and frequency
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
±
2.0 dBs.
The 7.35 kHz signal level during EMP
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.
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. 5-3-14.
Fig. 5-3-10
Main unit
47 k
Ω
47 k
Ω
: 1-249-437-11
Audio level meter
TV monitor
A/V OUT
jack
Video
Audio (L)
Audio (R)
In Playback