Yamaha Clavinova CLP-970, Service Manual

Page: 31 / 72

31
CLP-970/CLP-970M/CLP-970C/CLP-970A/CLP-970AM/CLP-970AC
INSPECTION
SW NO.
SWITCH NOTE LED
SW NO.
SWITCH NOTE LED
1 DEMO G1 24 LCD B - F#3
2 TRANSPOSE G#1 25 LCD B + G3
3 TRANSPOSE A1 26 LCD D - G#3
4 SONG SELECT A#1 27 LCD D + A3
5 SONG SELECT B1 28 EXIT A#3
6 SONG BALANCE C2 29 PIANO B3 O
7 SONG BALANCE C#2 30 E. PIANO/BASS C4 O
8 TRACK 1 D2 O 31 HARPSICHORD C#4 O
9 TRACK 2 D#2 O 32 MALLET D4 O
10 EXTRA TRACKS E2 O 33 ORGAN D#4 O
11 STOP F2 34 STRINGS/CHOIR E4 O
12 START/PAUSE F#2 O 35 SPLIT POINT F4
13 REC G2 O 36 PIANO/E. PIANO F#4 O
14 FILE G#2 37 HARPSI/MALLET G4 O
15 SONG SETTING A2 38 ORGAN/STRINGS G#4 O
16 METRONOME START/STOP A#2 O 39 BASS A4 O
17 METRONOME SETTING B2 40 VOICE SETTING A#4
18 TEMPO DOWN C3 41 REVERB B4 O
19 TEMPO UP C#3 42 CHORUS C5 O
20 LCD A - D3 43 BRILLIANCE C#5
21 LCD A + D#3 44 BRILLIANCE D5
22 LCD C - E3 45 MIDI SETTING D#5
23 LCD C + F3 46 OTHER SETTING E5
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 : - 9 dBm +/- 2 dB
AUX OUT R : L / L + R less than - 50 dBm
PHONES L : - 12 dBm +/- 2 dB
PHONES R : L / L + R less than - 40 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 : R ch less than - 50 dBm
AUX OUT R : - 9 dBm +/- 2 dB
PHONES L : R ch less than - 40 dBm
PHONES R : - 12 dBm +/- 2 dB
2. Noise Level
Confirm that the PHONES L and R output noise level is less than - 90 dBm when no sound is produced.
Note : 0 dBm = 0.775 V
Table 1