Sony HVR-S270J Service Manual page 351

3. INPUT1 LINE Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
Note 1: 0 dBu = 0.775 Vrms/balance
Note 2: 0 dBs = 0.775 Vrms
Note 3: In this check, AUDIO LEVEL dial must be in the maxi-
mum position.
Menu setting
1) HDV 2CH/4CH (AUDIO SET menu) ............................. 4CH
Switch setting
1) INPUT1 switch ............................................................... LINE
2) CH1 switch .................................................................... MAN
3) AUDIO MONITOR switch .......................................... CH1/2
4) MENU/STATUS switch ............................................ STATUS
Checking method:
1) Input 1 kHz, +4 dBu signal in the XLR terminal (AUDIO IN-
PUT1 (L)).
2) Increase gradually the REC-LEVEL VOL CH1 to adjust so
that the STATUS AUDIO indicator CH1 lights up at –20 dB
(NTSC model) or –18 dB (PAL model).
3) Check that the 1 kHz signal level is the specified value.
4. INPUT2 LINE Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
Note 1: 0 dBu = 0.775 Vrms/balance
Note 2: 0 dBs = 0.775 Vrms
Note 3: In this check, AUDIO LEVEL dial must be in the maxi-
mum position.
Menu setting
1) HDV 2CH/4CH (AUDIO SET menu) ............................. 4CH
Switch setting
1) INPUT2 switch ............................................................... LINE
2) CH2 switch .................................................................... MAN
3) AUDIO MONITOR switch .......................................... CH1/2
4) MENU/STATUS switch ............................................ STATUS
Checking method:
1) Input 1 kHz, +4 dBu signal in the XLR terminal (AUDIO IN-
PUT2 (R)).
2) Increase gradually the REC-LEVEL VOL CH2 to adjust so
that the STATUS AUDIO indicator CH2 lights up at –20 dB
(NTSC model) or –18 dB (PAL model).
3) Check that the 1 kHz signal level is the specified value.
HVR-S270J/S270U/S270N/S270E/S270P/S270C
CAMERA mode
1 kHz, +4 dBu signal:
XLR terminal (AUDIO INPUT1 (L))
Audio L terminal of AUDIO OUT
jack (CH1)
Audio level meter, Oscilloscope
–12 dBs to –8 dBs
CAMERA mode
1 kHz, +4 dBu signal:
XLR terminal (AUDIO INPUT2 (R))
Audio R terminal of AUDIO OUT
jack (CH2)
Audio level meter, Oscilloscope
–12 dBs to –8 dBs
5. INPUT3 LINE Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
Note 1: 0 dBu = 0.775 Vrms/balance
Note 2: 0 dBs = 0.775 Vrms
Note 3: In this check, AUDIO LEVEL dial must be in the maxi-
mum position.
Menu setting
1) HDV 2CH/4CH (AUDIO SET menu) ............................. 4CH
Switch setting
1) INPUT3 switch .............................................................. LINE
2) CH3 switch .................................................................... MAN
3) AUDIO MONITOR switch .......................................... CH3/4
4) MENU/STATUS switch ............................................ STATUS
Checking method:
1) Input 1 kHz, +4 dBu signal in the XLR terminal (AUDIO IN-
PUT3).
2) Increase gradually the REC-LEVEL VOL CH3 to adjust so
that the STATUS AUDIO indicator CH3 lights up at –20 dB
(NTSC model) or –18 dB (PAL model).
3) Check that the 1 kHz signal level is the specified value.
6. INPUT4 LINE Check
Mode
Signal
Measurement Point
Measuring Instrument
Specified value
Note 1: 0 dBu = 0.775 Vrms/balance
Note 2: 0 dBs = 0.775 Vrms
Note 3: In this check, AUDIO LEVEL dial must be in the maxi-
mum position.
Menu setting
1) HDV 2CH/4CH (AUDIO SET menu) ............................. 4CH
Switch setting
1) INPUT4 switch ............................................................... LINE
2) CH4 switch .................................................................... MAN
3) AUDIO MONITOR switch .......................................... CH3/4
4) MENU/STATUS switch ............................................ STATUS
Checking method:
1) Input 1 kHz, +4 dBu signal in the XLR terminal (AUDIO IN-
PUT4).
2) Increase gradually the REC-LEVEL VOL CH4 to adjust so
that the STATUS AUDIO indicator CH4 lights up at –20 dB
(NTSC model) or –18 dB (PAL model).
3) Check that the 1 kHz signal level is the specified value.
6-117
CAMERA mode
1 kHz, +4 dBu signal:
XLR terminal (AUDIO INPUT3)
Audio L terminal of AUDIO OUT
jack (CH3)
Audio level meter, Oscilloscope
–12 dBs to –8 dBs
CAMERA mode
1 kHz, +4 dBu signal:
XLR terminal (AUDIO INPUT4)
Audio R terminal of AUDIO OUT
jack (CH4)
Audio level meter, Oscilloscope
–12 dBs to –8 dBs