Схема и документация усилителя Other GENERALMUSIC RP BASIC, RP8, RP88

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Operations Description
Event Desciption
MODEL J1 J2 J3 J4
RPBASIC NO NO YES 1-2
RP8 YES NO YES 1-2
RP88 YES NO YES 1-2
RPT114 YES YES YES 2-3
RPT114DL YES YES NO 2-3
(CN9) between pin1 and pin2 = 16±1Vac(CN9) between pin1 and pin3 = 16±1Vac(CN9) between pin2 and pin3 = 32±2Vac(CN5) between pin1 and pin3 = 13±0,5Vac
(CN4) between pin9 and pin6 = +5±0,25Vdc(CN4) between pin1 and pin4 = +12±0,6Vdc (CN4) between pin1 and pin5 = -12±0,6Vdc
Operations Description
Event Description
The instrument plays 3 different tones.
At each action the instrument plays a tone and when all actions are performed it plays three tones.
1 tones for "-" button fault,2 tones for "+" button fault,3 tones for MIDI LOOP fault,4 tones for DAMPER pedal fault,5 tones for SOFT pedal fault,6 tones for VOLUME potentiometer fault,7 tones for SOSTENUTO pedal fault.
RP-BASIC, RP8, RP88 AUTOTEST PROCEDURE
To start the AUTOTEST mode, you must turn on the instrument and press 4 times the data "+" button within one second.Note: During the autotest procedure the instrument does not respond at any keyboard action.The volume is set by its position at the moment of power on switching.
Active whole the following controls within 20 seconds:"+" button, "-" button, SOFT. SOSTENUTO and DAMPER pedals, VOLUME potentiometer.
If you have not activated some controls or their do not work properly, after some seconds the instrument will play:Note: the MIDI LOOP is checked if you connect a midi cable between MIDI OUT and MIDI IN sockets.
RP-BASIC, RP8, RP88 INITIAL CHECK
The following procedures must be executed subsequently in the specified order.
Before turning on the instrument, check the jumpers setting on CPU & SOUND GENERATOR BOARD to be corresponding to the model accordingly the following table:
Remove the secondary fuses F1, F2, F3, F4, located on POWER AMPLIFIER & SUPPLY BOARD; turn on the instrument and verify the supply AC voltages:
Turn off the instrument and put the fuses back on its holders.
Turn on the instrument.
Check the supply DC voltages on CPU & SOUND GENERATOR BOARD: