Yamaha YPT-340 Manuel d'entretien - Page 26

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PSR-E343/PSR-E344/YPT-340

■ TEST PROGRAM

* If the test number 60 "Factory Set" is executed, the data already set will be lost.

Preparations

1) Use an AC adaptor PA-3C, PA-130 or PA-130A.

2) Measuring device: Frequency counter, which can detect thousandth value or more, Level meter (with JIS-C ﬁ lter), Oscilloscope

* Input impedance of the measuring device should be 1 MΩ or more.

3) Jig: Foot switch (FC-4 or FC-5), USB cable, Stereo mini jack cable

4) Terminal condition:

・ Use a stereo plug and connect a load resistor of 33 Ω to the [PHONES/OUTPUT] jack for measurement unless

otherwise speciﬁ ed.

・ Before power switch ON, connect the foot switch to [SUSTAIN] jack.

5) Controller settings

MASTER VOLUME : MAX

PEDAL

Others

Starting up the Test Program

While holding down the keys [C#2], [F2] and [G#2] simultaneously, press the [STANDBY / ON] switch.

C#2

Test procedure

1) When the test program is started, "TEST" will be displayed on the LCD.

2) Press the [Tenkey –] or [Tenkey +] button to select a test program item.

3) Press the [START/STOP] button to execute the test.

If the result is OK or test item is completed, press the [START/STOP] button again to return to the item selection display.

Press the [Tenkey –] or [Tenkey +] button to select the next test item.

A cursor ("_") is shown below the ﬁ rst character of the item for which the test results are OK.

If the result is NG, press the [DEMO] button or the lowest key (white key C1) to return to the item selection display.

Test Program List

TEST

LCD display

No.

001: Version

002: Mem1 All

003: Rom Chk1

004: Ram Chk1

: OFF

: Initial setting when the power is turned on

G#2

Displays version of the ROM.

Using the tenkeys, each data version can be displayed as follows.

[Tenkey 1] Main Program Version

[Tenkey 2] Boot Program Version

[Tenkey 3] Style Data Version

[Tenkey 4] Song Data Version

[Tenkey 5] Voice Parameter Version

[Tenkey 6] Wave Data Version

Checks the ROM, RAM and FROM connected to the CPU bus (simpliﬁ ed check).

Make sure that "Mem1 OK" is displayed on the LCD.

* If the test result is OK, the tests "003: Rom Chk1", "004: Ram Chk1" and "005:

FRom Chk1" can be skipped.

Checks the ROM connected to the CPU bus (simpliﬁ ed check).

Make sure that "Rom OK" is displayed on the LCD.

Checks the RAM connected to the CPU bus (simpliﬁ ed check).

Make sure that "Ram OK" is displayed on the LCD.

Test descriptions, judging conditions, etc.

"∗∗∗ Main"

"∗∗∗ Boot"

"∗∗∗ Style"

"∗∗∗ Song"

"∗∗∗ Param"

"∗∗∗ Wave" ∗∗∗ : Version

(dBu=dBm)