Test Program - Yamaha CLP-340 Service Manual

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TEST PROGRAM

1 Measurement conditions
1-1: Measuring instruments
• Level meter (with a JIS-C fi lter)
• Frequency counter: Below decimal point 3 or more fi gures measurement is possible.
Note: Input impedance of measuring instrument is more than 1M ohms.
Connect a stereo phone plug to the [PHONES] jack (L/Rch: 33 ohms load) and the [AUX IN] [AUX OUT] jacks (10k
ohms load).
Set each control as follows.
• [MASTER VOLUME] slider: Max.
• PEDAL: OFF
1-2: Jigs
Stereo phone plug, MIDI cable, USB cable (A type-B type), LAN cable, USB fl ash memory, Router (BBR-4MG), etc.
2 How to enter the Test Program
Press the power switch on the keyboard while pressing and holding the [C#2], [F2], and [G#2] (C#2 major code).
2-1: How to proceed the test
1) When the test program is activated, the sign "
2) Go to item choosing mode with the [s] or [t] button of [TEMPO/FUNCTION].
3) Press the [ON/OFF] button of [METRONOME] to execute testing.
• If the result is successful.
PAS
" " will be displayed on the 7-segment LED. In the acceptable selection screen, each character of the item number
will be followed by dot "." on the 7-segment LED, so that you can see later if it has already been checked.
If the result is successful, you can return to the selection screen with [DEMO] button or [ON/OFF] button of
[METRONOME].
• If the result is unacceptable.
nG
" " will be displayed on the 7-segment LED. If the result is unacceptable, you can return to the selection screen with
[DEMO] button.
If you press the [t] button of [TEMPO/FUNCTION] when the test No. 1 is selected, the last test item will be selected.
C # 2 G # 2
F2
(S(
" is indicated on the 7-segment LED.
CLP-340/CLP-340M/CLP-340C
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