Схема и документация усилителя Other GENERALMUSIC RP2, RP3

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AUTOTEST CHART
EVENTS DESCRIPTIONS
Turn on instrument while holding pressed"A.S.B." button.
A Display message appears:
RP AUTOTEST
RP AUTOTEST
------------
------------
Press "A.S.B." button.
Display shows current software data versionin EPROM. After a few seconds, the memorychecksum is displayed.
Jun 15 1995
Jun 15 1995
08:00:00 v 1,00
08:00:00 v 1,00
Press "A.S.B." button.
RAM test starts and at end of cycle, if test issuccessful, display shows message:
RAM MEMORY CHECK
RAM MEMORY CHECK
addr 23FFFF
addr 23FFFF
If test fails, display shows FAIL + addresserror number and instrument crashes.
RAM MEMORY CHECK
RAM MEMORY CHECK
addr 20D215
addr 20D215
Press "A.S.B." button.
ROM LIBRARY test starts and at end, if test issuccessful, display shows message:
TEST LIBRARY
TEST LIBRARY
If test fails, display shows FAIL and instrumentcrashes.
TEST LIBRARY
TEST LIBRARY
Press "A.S.B." button.
A Display message appears:
LCD DISPLAY TEST
LCD DISPLAY TEST
-----------------
-----------------
After few seconds all the display segmentsturn black. Check that all sections are black.
???????????????
???????????????
Press "A.S.B." button.
All leds go on. Check that all leds are on.
Press "A.S.B." button
A Display message appears:
?Buttons Test?
?Buttons Test?
Press all panel buttons one by one except"A.S.B." button
Every button pressed must lightcorresponding led and display must show:
U?Buttons Test?+
U?Buttons Test?+
"U" and "D" simbols correspond to up anddown arrows buttons. "+" and "-" simbolscorrespond to + e - buttons. Moving theVOLUME must display a position number from0-127.
U?Buttons Test?+
U?Buttons Test?+
Press "A.S.B." button
PEDALS: DAMP:
PEDALS: DAMP:
SOST:offSOFT:off
SOST:offSOFT:off
Press left pedal [SOFT]
Display: "on" with pedal pressed and "off" withpedal released.
Press center pedal [SOSTENUTO]
Display: "on" with pedal pressed and "off" withpedal released.
Press right pedal [DAMPER]
Display must show a number from 0-127 withincreased pedal pressure.
Press "A.S.B." button
Loop the two MIDI connectors with a singleMIDI cable.
A Display message appears:
TEST MIDI IN/OUT
TEST MIDI IN/OUT
LOOP DETECTED OK
LOOP DETECTED OK
If loop is interrupted, display shows:
TEST MIDI IN/OUT
TEST MIDI IN/OUT
--- NO LOOP! ---
--- NO LOOP! ---
Press "A.S.B." button
A Display message appears:
SINUS SWEEP
SINUS SWEEP
A 1000Hz sinusoidal tone must sound.TRANSPOSE +/- buttons should slightlymodify frequency within range 10-2756Hz ifpressed and instantly released.Move the VOLUME to set the output level.This test signal is useful to check poweramplifier and speakers.
Press "A.S.B." button
An end test message appears.
Press and hold "A.S.B." button until startingdisplay shows.
Autotest starts again.
Press "A.S.B." button to stop.
The instrument is ready to play.
The autotest operations can be performed only in the sequence specified above.During test all normal keyboard functions are disabled.
At the end of autotest a memory reset takes place. A loud "click" during reset is normal.The two chips DISP3 are tested each time the instrument is turned on.If the testing fails the message DISP FAILURE appears which disappears after few seconds without crashing the instrument.