Sony HVR-S270J Service Manual page 349

3-5. AUDIO SYSTEM ADJUSTMENTS
Note: NTSC model: HVR-S270J/S270U/S270N
PALmodel: HVR-S270E/S270P/S270C
[Connecting the measuring instruments for the audio]
Connect the audio system measuring instruments as shown in Fig.
6-3-9.
Menu setting (AUDIO SET menu)
XLR SET
1) AGC CH1, 2 ......................................................... SEPARATE
2) AGC CH3, 4 ......................................................... SEPARATE
3) AU.LMT CH1, 2 .............................................................. OFF
4) AU.LMT CH3, 4 .............................................................. OFF
5) INPUT1 TRIM .................................................................. 0dB
6) INPUT1 WIND ................................................................ OFF
7) INPUT2 TRIM .................................................................. 0dB
8) INPUT2 WIND ................................................................ OFF
9) INPUT3 TRIM .................................................................. 0dB
10) INPUT3 WIND ................................................................ OFF
11) INPUT4 TRIM .................................................................. 0dB
12) INPUT4 WIND ................................................................ OFF
1 pin: GND
2 pin: + signal
3 pin: – signal
Balanced audio generator
HVR-S270J/S270U/S270N/S270E/S270P/S270C
The input signal level is the level of pin 2 against pin 3.
male
1 pin
2 pin
3 pin
AUDIO AUDIO AUDIO
INPUT1 (L) INPUT2 (R) INPUT3
jack jack jack
Front Side Rear Side
AUDIO OUT
Main unit
Fig. 6-3-9
6-115
Microphone Power Supply Check
female
2 pin
1 pin
3 pin
AUDIO
INPUT4
jack
Audio (L)
jack
Audio (R)
Digital
voltmeter
2 pin or
3 pin
1 pin
Audio level meter
or
Osilloscope
47 kΩ
47 kΩ : 1-249-437-11