Sony HVR-S270J Service Manual page 356

16. Playback Level Check (1)
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
Note: 0 dBs = 0.775 Vrms
Menu setting
1) VCR HDV/DV (IN/OUT REC menu) ............................ AUTO
Switch setting
1) AUDIO MONITOR switch ............................................. CH1/2
Checking method:
1) Check that the playback signal level on CH1 satisfies the speci-
fied value.
2) Observing the output waveform on CH1 with the oscilloscope,
check that no clip is found.
3) For the CH2 perform checking in the same manner.
HVR-S270J/S270U/S270N/S270E/S270P/S270C
VCR mode
Alignment tape: For audio check
(HX5-3 (NTSC))
Audio L and R terminal of AUDIO
OUT jack (CH1, CH2)
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
44.1 kHz mode EMP ON section:
7.35 kHz signal level is
+2 to +6 dBs
44.1 kHz mode EMP OFF section:
7.35 kHz signal level is
+8 to +12 dBs
17. Playback Level Check (2)
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
Note: 0 dBs = 0.775 Vrms
Menu setting
1) VCR HDV/DV (IN/OUT REC menu) .......................... AUTO
Switch setting
1) AUDIO MONITOR switch .......................................... CH1/2
Checking method:
1) Check that the playback signal level on CH1 satisfies the speci-
fied value.
2) Observing the output waveform on CH1 with the oscilloscope,
check that no clip is found.
3) For the CH2 perform checking in the same manner.
6-122
VCR mode
Alignment tape: For audio check
(HX5-3P (PAL))
Audio L and R terminal of AUDIO
OUT jack (CH1, CH2)
Audio level meter, Oscilloscope
32 kHz mode section:
1 kHz signal must be outputted.
48 kHz mode section:
1 kHz signal level is
+6 to +10 dBs
44.1 kHz mode EMP ON section:
7.35 kHz signal level is
0 to +4 dBs
44.1 kHz mode EMP OFF section:
7.35 kHz signal level is
+6 to +10 dBs