Yamaha O2R96 Service Manual page 141

3-3. STUDIO MONITOR OUT L/R
Condition: Input from the CH1 (XLR).
Set the [STUDIO LEVEL] control to MAX.
Turn ON the [STEREO] key of STUDIO.
q
Distortion factor (L/R common)
Input Frequency Output Level
1kHz +16dBu
w
Residual noise (L/R common)
Condition: Set the [STEREO OUT] key to OFF.
STUDIO LEVEL
MAX
3-4. OMNI OUT 1~8
Condition: Input from the CH1 (XLR).
Turn ON BUS1~8 at ROUTING of CH1.
Assign BUS nCH to OMNI nCH with
the [OUTPUT PATCH] key.
Turn ON MASTER FADER of BUS 1~8.
The slide switches SW101~801
(8 switches) in DA circuit board are to
be +18dB.
q
Distortion factor (OMNI OUT 1~8)
Input Frequency Output Level
1kHz +16dBu
w
Residual noise (OMNI OUT 1~8)
Condition: [BUS OUT] key to be switched OFF.
Permissible range
-92dBu or below
3-5. PHONES OUT L/R
Condition: Input from the CH1 (XLR).
Set the [PHONES LEVEL] control to
MAX.
q
Distortion factor (L/R common)
Input Frequency Output Level
1kHz -10dBu
w
Residual noise (L/R common)
Condition: Set the [PHONES LEVEL] control to MIN.
Permissible range
-100dBu or below
3-6. 2TR IN ANALOG 1 L/R
Condition: Check at the [STEREO OUT L] terminal (XLR).
q
Distortion factor (L/R common)
Input Frequency Output Level
1kHz +16dBu
Permissible range
0.02% or below
Permissible range
-92dBu or below
Permissible range
0.02% or below
Permissible range
0.04% or below
Permissible range
0.02% or below
w
Residual noise (L/R common)
Condition: [2TR IN ANALOG 1] terminal to be
shorted at 150Ω.
Permissible range
-87dBu or below
3-7. 2TR IN ANALOG 2 L/R
Condition: Check at the [STEREO OUT L] terminal (XLR).
q
Distortion factor (L/R common)
Input Frequency Output Level
1kHz +16dBu
w
Residual noise (L/R common)
Condition: [2TR IN ANALOG 2] terminal to be
shorted at 150Ω.
Permissible range
-87dBu or below
3-8. CH IN 1~24 (PHONE)
Condition: Check at the [STEREO OUT L] terminal (XLR).
Set the [GAIN] control to MIN (CH1~24)
and the [PAD] switch to ON (CH1~16).
q
Distortion factor (CH1~24)
Input Frequency Output Level
1kHz +16dBu
w
Noise level (CH1~24)
Condition: Measured CH IN to be shorted at 150Ω.
Permissible range
-87dBu or below
4. Checking DIGITAL IN/OUT
4-1. 2TR DIGITAL OUT 1,2,3
Condition: Use System Two.
Input from the CH1 (XLR).
A. WORD CLOCK INT 48kHz.
Condition: Set WORD CLOCK INT to 48kHz.
q
Distortion factor (2TR DIGITAL OUT 1)
Input Frequency Output Level
1kHz -2dBFS
B. WORD CLOCK INT 96kHz.
Condition: Set WORD CLOCK INT to 96kHz.
q
Gain (2TR DIGITAL OUT 1,2,3 common)
Input Frequency Input Level Specified output level Permissible range
1kHz +10dBu
02R96
Permissible range
0.02% or below
Permissible range
0.01% or below
Permissible range
0.02% or below
-14dBFS -14±2dBFS
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