Audio System Adjustments - Sony DSR-250 Service Manual

3-5.

AUDIO SYSTEM ADJUSTMENTS

Switch setting:
AUDIO INPUT CH1 (SW-343 board) ................................ REAR
AUDIO INPUT CH2 (SW-343 board) ................................ REAR
AUDIO SELECT CH1 (SW-343 board) ............................. AUTO
AUDIO SELECT CH2 (SW-343 board) ............................. AUTO
AUDIO MONITOR (SW-343 board) ..................................... MIX
CH1 LINE/MIC SELECT (XL-003 board) ............................ MIC
CH2 LINE/MIC SELECT (XL-003 board) ............................ MIC
A REF REVEL (Menu setting) ................................ –12dB (Note)
Note: Except for "Playback Level Check".
[Connection of Audio System Measuring Devices]
Connect the audio system measuring devices as shown in Fig. 5-3-11.
Recording (Camera mode)
Audio oscillator
Attenuator
600 Ω = 270 Ω (1-249-410-11) + 330 Ω (1-249-411-11)
Playback
Main unit
Video jack
Audio jack
L
R
Main unit
600 Ω
TV monitor
Video
Audio level meter
47k Ω
or Distortion meter
47k Ω
47k Ω (1-249-437-11)
Fig. 5-3-11.
CH1 CH2
5-74