Yamaha Clavinova CVP-96 Service Manual page 57

CVP-96/CVP-98
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INSPECTIONS
1. AUX IN and AUX OUT
1-1 Apply a 1 kHz, -20 dBm sine wave to the AUX IN L/L+R and a .oo dB signal to the AUX R. Confirm that the
output meet the following specifications:
AUX OUT L/L+R -1 dBm±2 dB PHONES L -10 dBm±2 dB
AUX OUT R
Less than -50 dBm PHONES R Less than -55 dBm
1-2 Apply a 1 kHz, -20 dBm sine wave to the AUX Rand a .oo dB signal to the AUX IN L/L+R. Confirm that the
output meet the following specifications: '
AUX OUT L/L+R Less than -50 dBm PHONES L Less than -55 dBm
AUXOUTR -ldBm±2dB PHONESR -10dBm±2dB
2. MIC input
Apply a 1 kHz, -50 dBm sine wave to the MIC input. Confirm that the PHONES output L and R should be -7 dBm± 2 dB.
3. Noise Level
Confirm that the PHONES L and R output noise level is less than -85 dBm when no sound is produced.
Note: 0 dBm= 0.775 V
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