Ir Audio Deviation Adjustment (Ma-330 Board) - Sony DCR-TRV5 Service Manual
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Also See for DCR-TRV5:
- Operating instructions manual (92 pages) ,
- Operating instructions manual (91 pages) ,
- Service manual (25 pages)
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3. IR Audio Deviation Adjustment (MA-330 board)
Mode
Camera standby
Signal
400Hz, –66dBs : L and R of MIC jack
Measurement Point
AUDIO L terminal and AUDIO R
terminal of IR receiver jig
(Terminated at 47k )
Measuring Instrument
Audio level meter
Adjustment Page
D
Adjustment Address
92
Specified Value
Signal level: –7.5 ± 1.0 dBs
Level difference of L and R: Below 2dB
Connection of Equipment:
Connect the measuring device as shown in the following figure,
and adjust.
Audio oscillator
600 : 270
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Connect the audio level meter to the AUDIO L terminal of the
IR receiver jig.
3)
Select page: D, address: 92, change the data and set the 400Hz
audio signal level to the specified value.
4)
Press the PAUSE button of the adjustment remote commander.
5)
Connect the audio level meter to the AUDIO R terminal of the
IR receiver jig.
6)
Check that the 400Hz audio signal level is within the specified
value. If outside, repeat from step 2).
7)
Select page: 0, address: 01, and set data: 00.
Attenuator
600
(1-249-410-11) + 330
(1-249-411-11)
Fig. 5-3-15
Main unit
MIC
Left
Right
47k
47k
(1-249-437-11)
5-49
IR receiver jig
AUDIO OUT
L
R
Audio level meter
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