Yamaha 01v 96 Service Manual page 79

e Distortion ratio (both L/R)
Input frequency Output level
1kHz +22dBu
r Residual noise (both L/R)
Short 2TR IN ANALOG with 150 Ω.
Parameter
Permitted range
-97dBu or below
t L/R level difference
The range for the difference in the gain measured
with q is regulated as follows.
Permitted range
Within 1dB
y Crosstalk between left and right
Parameter Input the signals to the left side.
Short the right side with 150 Ω.
Input frequency Output level (L) Permitted range (R)
1kHz +22dBu
The right side must be the same.
2-7. CH IN 1~12 (XLR)
Parameter Inspect with STEREO OUT L (XLR).
A. GAIN MAX, PAD OFF
q Gain (CH1~12)
Input frequency Input level Regulated output level
1kHz -60dBu
w f characteristic (CH1~12)
Parameter The permitted range uses 1 kHz as
the reference.
Input frequency Input level
20Hz -60dBu
40kHz -60dBu
e Distortion ratio (CH1~12)
Input frequency Output level
1kHz +22dBu
r Noise level (CH1~12)
Parameter Short the CH IN being measured with
150 Ω.
Permitted range
-64dBu or below
However, if the permitted range above is not met, EIN
Measurement value (Gain at 1 kHz) must be -128
or more.
t Level difference (CH 1~12)
The range for the difference in the gain measured
with q is regulated as follows.
Permitted range
0.003% or below
-58dBu or below
Permitted range
+4dBu +4±2dBu
Permitted range
-1.5~0.5dB
-1.5~0.5dB
Permitted range
0.02% or below
Permitted range
Within 2dB
B. GAIN MIN, PAD ON
q Gain (CH1~12)
Input frequency Input level Regulated output level
1kHz +4dBu
w Distortion ratio (CH1~12)
Input frequency Output level
1kHz +22dBu
e Noise level (CH1~12)
Parameter Short the CH IN being measured with
150 Ω.
Permitted range
-82dBu or below
r INSERT OUT Gain (CH1~12)
Input frequency Input level Regulated output level
1kHz +4dBu
t INSERT IN Gain (CH1~12)
Parameter Input the signals to the INSERT IN being
measured.
Input frequency Input level Regulated output level
1kHz -2dBu
y Odd channel/even channel crosstalk
Parameters Input the signals to the odd channels side.
Short the even channel side with 150 Ω.
Input frequency Output level (odd channels) Permitted range (even channels)
1kHz +22dBu
The even channels must be the same too.
C. Phantoms (CH 1~12)
Short XLR Pin 2 and Pin 3, connect a 10 kΩ load
between Pin 2-1, then switch the Phantom switch
On. The voltage is regulated to be no more than the
following.
Permitted range
DC 31~37V
Check that when the Phantom switch is switched
Off, the discharge starts quickly.
2-8. CH IN 13~16 (PHONE)
Parameter Inspect with STEREO OUT L (XLR).
A. GAIN MAX
q Gain (CH13~16)
Input frequency Input level Regulated output level
1kHz -26dBu
01V96
Permitted range
+4dBu +4±2dBu
Permitted range
0.01% or below
Permitted range
-2dBu -2±1.5dBu
Permitted range
+4dBu +4±1.5dBu
-58dBu or below
Permitted range
+4dBu +4±2dBu
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