Yamaha AW-2400 Service Manual page 65

2-2-4. INPUT 4 (BAL XLR)
Parameters: Measure with INPUT 4 → MONITOR R.
Set the MONITOR VR to MAX.
Measurement items and specified values are the same as
INPUT 1.
2-2-5.INPUT 5 (BAL XLR)
Parameters: Measure with INPUT 5 → OMNI OUT 1.
q LINE Gain
Input frequency Input level Specified output level Permitted factor
1 kHz +4 dBu
w LINE Maximum Output
Input frequency Specified output level Permitted range (distortion factor)
1 kHz +20 dBu
e LINE Distortion
Input frequency Specified output level Permitted range (distortion factor)
1 kHz +4 dBu
r LINE Frequency Characteristics
Input frequency Input level Specified output level (Reference value of 1kHz)
20 Hz +4 dBu
20 kHz +4 dBu
t LINE Noise Level
Permitted range
–84 dBu or below
y MIC Gain
Parameters: Set the INPUT GAIN VR to MAX [MIC].
Input frequency Input level Specified output level Permitted range
1 kHz –46 dBu
u MIC Distortion
Parameters: Set the INPUT GAIN VR to MAX [MIC].
Input frequency Input level
1 kHz –46 dBu
i MIC Noise Level
Parameters: Set the INPUT GAIN VR to MAX [MIC].
Permitted range
–60 dBu or below
2-2-6. INPUT 6 (BAL XLR)
Parameters: Measure with INPUT 6 → OMNI OUT 2.
Measurement items and specified values are the same as
INPUT 5.
2-2-7. INPUT 7 (BAL XLR)
Parameters: Measure with INPUT 7 → OMNI OUT 3.
Measurement items and specified values are the same as
INPUT 5.
+0 dBu 0±2 dBu
1 % or below
0.05 % or below
–3~+1 dB
–3~+1 dB
0 dBu 0±3 dBu
Permitted range (distortion ratio)
0.2 % or below
2-2-8. INPUT 8(BAL XLR)
Parameters: Measure with INPUT 8 → OMNI OUT 4.
Measurement items and specified values are the same as
INPUT 5.
2-2-9.PHONES
Parameters: Measure with INPUT 3 → PHONES L.
Measure with INPUT 4 → PHONES R.
Set the PHONES VR to MAX.
q Gain, Distortion
Input frequency Input level Specified output level Permitted range
1 kHz –2 dBu
w Maximum Output
Input frequency Specified output level Permitted range (distortion factor)
1 kHz +7 dBu
e Distortion Factor
Input frequency Input level Permitted range (distortion factor)
1 kHz –2 dBu
r Frequency Characteristics
Input frequency Input level Permitted range (Reference value of 1kHz)
20 Hz –2 dBu
20 kHz –2 dBu
t Residual Noise Level
Parameters: Set the PHONES VR to MIN
Permitted range
–105 dBu or below
2-2-10. MONITOR OUT Residual Noise
Parameters: Measure at MONITOR OUT L/R.
Set the MONITOR VR to MIN.
Permitted range
–100 dBu or below
3. Normal Mode Inspection
3-1. DIGITAL IN (COAXIAL)
(1) Operation should be normal to external DIGITAL signal
(Fs: 44.1kHz –10%,+6%).
(2) Operation should be normal to external DIGITAL signal
(Fs: 48kHz –10%,+6%).
3-2. DIGITAL OUT (COAXIAL)
DIGITAL AUDIO signal should be sent properly.
AW2400
+1 dBu +1±3 dBu
5 % or below
0.1 % or below
–3~+1 dB
–3~+1 dB
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