Yamaha O2R96 Service Manual page 136

02R96
2. Check of ANALOGUE IN/OUT at WORD
CLOCK INT 96 kHz
2-1. STEREO OUT L/R (XLR)
Condition: Input from the CH1 (XLR).
q
Gain (L/R common)
Input Frequency Input Level Specified Output Level Permissible range
1kHz +10dBu
w
f Characteristic (L/R common)
Condition: Permissible range of 1kHz to be standard.
Input Frequency
20Hz
40kHz
e
Distortion factor (L/R common)
Input Frequency Output Level
1kHz
r
Residual noise (L/R common)
Condition: [STEREO OUT] key to be switched OFF.
Permissible range
-92dBu or below
t
Level gap between L/R
Level gap measured in q to be decided as follows:
Permissible range
Within 1dB
y
Cross talk between L and R
Condition: PAN to fully lean to the L side.
Input Frequency Output Level (L) Permissible range (R)
1kHz
Confirm that the R side also satisfies the above
conditions.
u
Maximum output (L/R common)
Input Frequency Output Level
1kHz +18dBu
Condition: Connect hot, cold terminal to GND
respectively.
Input Frequency Output Level
1kHz +18dBu
136
+4dBu +4±2dBu
Input Level Permissible range
+10dBu -1.5~ +0.5dB
+10dBu -1.5~ +0.5dB
Permissible range
+16dBu 0.01% or below
+16dBu -64dBu or below
Permissible range
Permissible range
(Distortion factor)
+18±0.5dBu 0.01% or below
Permissible range
Permissible range
(Distortion factor)
+18±1.0dBu 0.02% or below
2-2. STEREO OUT L/R (PIN)
Condition: Input from the CH1 (XLR).
q
Gain (L/R common)
Input Frequency Input Level Specified output level Permissible range
1kHz +10dBu
w
Characteristic (L/R common)
Condition: Permissible range of 1kHz to be standard.
Input Frequency Input Level
20Hz +10dBu
40kHz +10dBu
e
Maximum output (L/R common)
Input Frequency Output Level Permissible range
1kHz +4dBV
r
Cross talk between L and R
Condition: PAN to fully lean to the L side.
Input Frequency Output Level (L) Permissible range (R)
1kHz +2dBV
Confirm that the R side also satisfies the above
conditions.
2-3. CONTROL ROOM MONITOR OUT L/R
Condition: Input from the CH1 (XLR).
Set the [CONTROL ROOM LEVEL]
control to MAX.
Set the [STEREO] key of CONTROL
ROOM to ON.
q
Gain (L/R common)
Input Frequency Input Level Specified output level Permissible range
1kHz +10dBu
w
f Characteristic (L/R common)
Condition: Permissible range of 1kHz to be standard.
Input Frequency Input Level
20Hz +10dBu
40kHz +10dBu
e
Distortion factor (L/R common)
Input Frequency Output Level
1kHz +16dBu
r
Residual noise (L/R common)
Condition: [STEREO OUT] key to be switched OFF.
CONTROL ROOM LEVEL
MAX
MIN
-10dBV -10±2dBV
Permissible range
-1.5~ +0.5dB
-1.5~ +0.5dB
Permissible range
(Distortion factor)
+4±0.5dBV 0.02% or below
-78dBu or below
+4dBu +4±2dBu
Permissible range
-1.5~ +0.5dB
-1.5~ +0.5dB
Permissible range
0.02% or below
Permissible range
-92dBu or below
-100dBu or below