Yamaha Clavinova CLP-920, Service Manual

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CLP-920/CLP-930
14 Output R E3 Check output level (1 kHz) .
AUX OUT L / L + R: Less than - 60 dBm
AUX OUT R: - 12 dBm +/- 2 dB
PHONES L: Less than - 50 dBm, PHONES R: - 16 dBm +/- 2 dB
15 Output L F3 Check output level (1 kHz) .
AUX OUT L / L + R: - 12 dBm +/- 2 dB
AUX OUT R: Less than - 60 dBm
PHONES L: - 16 dBm +/- 2 dB, PHONES R: Less than - 50 dBm
16 EQ Low F3# For factory test use only.
17 EQ Mid G3 For factory test use only.
18 EQ High G3# For factory test use only.
20 SW, LED A3# Checks switchs and LEDs on the panel.
Check A pre-assigned note is output when each switch pressed. (With some switches,
the corresponding LED will light up. )
21 All Panel B3 Check that all panel LEDs are lit.
LED On
31 Soft Pedal C4 Check that C4 is output when pushing the pedal and C3 is output when releasing
Check the pedal.
33 Damper Pedal C4# Check that C4 is output when pushing the pedal and C3 is output when releasing
Check the pedal.
37 MIDI Check D4 After connecting the MIDI IN and MIDI OUT, execute the test .
If the result of the test is “OK” , a C4 tone is heard.
If the result of the test is “NG” , a C2 tone is heard.
38 To Host Check D4# Connect pin to pin 2, pin 3 to pin 5, and pin 6 to pin 8 on the TO HOST terminal,
and execute the test. Check that the following notes are output when changing
the HOST SELECT switch position.
Mac position: C5, PC - 2 position: C4, PC - 1 position: C3
41 ROM Check 2 E4 For factory test use only.
42 RAM Check 2 F4 For factory test use only.
48 Test Mode Exit C7 Exit from the test program when executing this test.
Notes: 0 dBm = 0.775 V
C C# D D# E F F# G G# A
0 1 2 3 4 5 6 7 8 9
* Key-number conversion table