Audio System Adjustments - Sony HVR-M15J Service Manual

2-6.

AUDIO SYSTEM ADJUSTMENTS

Set the switches and menu to the following position unless other-
wise specified.
Switch setting
1) INPUT SELECT switch ............... VIDEO (except HDV/DV)
2) AUDIO MODE (AUDIO SET menu) ..........................FS48K
3) AUDIO AGC (AUDIO SET menu) ................................ OFF
4) AUDIO REC LV (AUDIO SET menu) .......................... 0 dB
5) AUDIO MIX (AUDIO SET menu) .................... CH-1, CH-2
Connection of equipment
600Ω
600Ω : 270 (1-249-410-11) + 330 (1-249-411-11)
47kΩ : 1-249-437-11
Fig. 6-2-13
HVR-M15J/M15U/M15N/M15E/M15P/M15C
Audio
generator
Attenuator
47kΩ
Audio level meter
or
Oscilloscope
1. Playing Level Check
Mode
Signal
Measurement Point
Measuring instrument
Specified Value
Note: 0 dBs = 0.775 Vrms
Checking method:
1) Check that the play signal level satisfies the specified value.
2) Check with the oscilloscope that no clip is found in the output
waveform.
6-56
PLAY
Alignment tape: For audio check
(NTSC: XH5-3/PAL: XH5-3P)
AUDIO OUT terminal (CH-1, 2)
Audio level meter
Oscilloscope
32 kHz mode section:
1 kHz signal must be outputted.
48 kHz mode section:
1 kHz signal level is
+8 to +12 dBs (NTSC)
+6 to +10 dBs (PAL)
44.1 kHz mode EMP ON section:
7.35 kHz signal level is
+2 to +6 dBs (NTSC)
0 to +4 dBs (PAL)
44.1 kHz mode EMP OFF section:
7.35 kHz signal level is
+8 to +12 dBs (NTSC)
+6 to +10 dBs (PAL)