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HP-555G
If a problem is found, the following error display will appear.
DEVICE
(Error content)
Err PROGRAM ROM
Program (Flush or mask ROM) fault
Err DRAM
Work DRAM read/write fault
Err Wave ROM
Wave ROM data content fault
Err RAM for DSP
DSP RAM read/write fault
Err EEPROM
EEPROM read/write fault
Err DATA ROM
DATA ROM data content fault
Err DATA TYPE
DATA ROM type check fault
Err FDC EX PORT
FDC EXISENCE PORT fault
If an error display appears, press the [Function] button to advance the test mode.
If the test results were OK, the following display will appear.
Press the [Function] button to advance to item 3.
3. Button and LED check
All LEDs will light, and the following display will appear.
Note!: If you wish to check item 3, do not press the [Function] button first.
If you press the [Function] button first, you will advance to item 4.
Once you begin the checking process for this test item, it is not possible to advance to the next item before testing all buttons.
Press the following buttons, and confirm that a sound is heard and that the button LED goes dark.
[piano] [E.piano] [Harpsi] [Vibes] [Organ] [Strings] [Choir] [GS Tones] [Reverb] [Chorus] [Pianist] [Split]
[Transpose] [Composer Rhythm] [Composer 1] [Composer 2] [composer 3] [composer 4] [Play] [Rec] [MEMU]
[Count in] [Marker A] [Marker B] [repeat] [Function]
Press the following button twice, and confirm that a sound is heard and that the button LED changes from orange to green to dark.
[Key Touch]
10
Nov. 1998
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