Yamaha Clavinova CLP-920, Руководство по обслуживанию

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CLP-920/CLP-930
SW NO. SWITCH NOTE LED SW NO. SWITCH NOTE LED
S01 DEMO C3 OFF S13 REC C4 OFF
S02 TRANSPOSE C#3 ON S14 GRAND PIANO C#4 ON
S03 FUNCTION D3 ON S15 E.PIANO 1 D4 ON
S04 METRONOME D#3 OFF S16 E.PIANO 2 D#4 ON
S05 TEMPO + E3 OFF S17 HARPSICHORD E4 ON
S06 TEMPO - F3 OFF S18 VIBRAPHONE F4 ON
S07 - / NO F#3 OFF S19 CHURCH F#4 ON
S08 + / YES G3 OFF S20 STRINGS G4 ON
S09 PRESET SONG G#3 ON S21 CHOIR G#4 ON
S10 TRACK 1 A3 ONS22 REVERB A4 ON
S11 TRACK 2 A#3 ONS23 EFFECT A#4 ON
S12 START / STOP B3 OFF S24 TOUCH B4 ON
TABLE 1
INSPECTION
1. AUX OUT and PHONES
1-1 Apply a 1 kHz, - 20 dBm sine wave to the AUX IN L / L + R. Confirm that the output meets the following specifications :
AUX OUT L / L + R: - 10 dBm +/- 2 dB
AUX OUT R:
Less than - 60 dBm
PHONES L: - 13 dBm +/- 2 dB
PHONES R: Less than - 50 dBm
1-2 Apply a 1 kHz, - 20 dBm sine wave to the AUX IN R. Confirm that the output meets the following specifications :
AUX OUT L / L + R: Less than - 60 dBm
AUX OUT R:
- 10 dBm +/- 2 dB
PHONES L: Less than - 50 dBm
PHONES R: - 13 dBm +/- 2 dB
2. Noise Level
Confirm that the PHONES L and R output noise level is less than - 80 dBm when no sound is produced.
Note: 0 dBm = 0.775 V