21
Mar.2003
Test item details
0: Test Mode Top page (Identifying the
version number)
fig.13-1_70
• Verify that Program ROM version.
• If the version is not appropriate, perform the update.
* For details on the update procedure, refer to “Updating the system.”
• Press [ ] to proceed to the next text item.
1: Shock Test
fig.13-2_70
• A demo performance will play.
• Listen to the sound, and verify that there is no noise or other problem
with the sound.
• Perform the impact test.
• Lift the boay of keyboard side to a higher position(about 3cm) and drop
it.
• Checks thes sound (an unusual sound or a sound breaks off).
• The same thing is performed.(right-hand side and left-hand side).
• Connect headphones, and listen to the sound.
• Set the MASTER VOLUME to the minimum, and then the maximum
position, and verify that there is no crackling or other abnormality.
• The sound will stop when you press [DEC], and resume when you press
[DEC] again.
• Verify that the output is muted while you hold down [INC].
• Press [ ] to proceed to the next test item.
2: Beep Test
fig.13-3_70
Verify that a beep is sounded from the internal speaker.
• Press [INC] once, and a high-pitched and a low-pitched beep will each
sound once.
• Verify that the beeps are sounded, and then press [ ] to proceed to
the next text.
3: Memory Test
fig.13-4_70
NOR FLASH, SDRAM, EEPROM, and ESP will be checked automatically.
• If all tests are OK, you will automatically proceed to the next test item.
Problem Items to check
No sound Perform detailed checks in 5. Sound
Test.
Not muted MAIN BOARD Q504,Q505,Q506
JACK BOARD Q2,Q3,Q5,Q6
Problem
Items to check
Beep is not produced SUB BOARD SP1,Q22,Q23,IC19
Problem Items to check
NOR FLASH NG MAIN BOARD IC21
SDRAM NG MAIN BOARD IC3,7
EEPROM NG MAIN BOARD IC11
ESP NG MAIN BOARD IC22,IC24
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