AKAI AX80 SERVICE MANUAL ocr

SECTION 1 SERVICE MANUAL SECTION 2 PARTS LIST SECTION 3 SCHEMATIC DIAGRAM SECTION 4 SERVICE BULLETIN ABBREVIATIONS FOR THE SERVICE MANUAL MODEL AX80 ABBREVIATIONS EX PLA N A TIO N D /A Digital to Analog Converter DCO Digital Controlled Oscillator EG Envelope G enerator FLD FLuorescent Display H PF High Pass Filter INT IN T errupt KB-CV Key Board Control Voltage LFO Low Frequency Oscillator M AX M AX im um MIDI Musical Instrument Digital Interface M OD M OD uuation MP M emory Protection M.W HEEL M odulation W HEEL PARA PA RA m eter PWM Pulse W idth M odulation RL R eturm Line ROM Read Only M emory S/H Sample & Hold T H R U TH RoUgh TRA N S TRANSpose VA Voltage Analog VC A Voltage Controlled Am plifier VCF Voltage Controlled Filter VR Variable Resistor SERVICE MANUAL AX80

PROGRAMMABLE POLYPHONIC SYNTHESIZER MODEL AX80 0u92 SECTION 1 SERVICE MANUAL SECTION 2 PARTS LIST SECTION 3 SCHEMATIC DIAGRAM SECTION 4 SERVICE BULLETIN ABBREVIATIONS FOR THE SERVICE MANUAL MODEL AX80 ABBREVIATIONS EX PLA N A TIO N CTL ConTroL D /A Digital to Analog Converter DCO Digital Controlled Oscillator EG Envelope G enerator FLD FLuorescent Display FREQ FREQuency H PF High Pass Filter INH INHibit INT IN T errupt KB-CV Key Board Control Voltage LFO Low Frequency Oscillator M AX M AX im um M EM O M ENOry MIDI Musical Instrument Digital Interface MIN M IN im um M OD M OD uuation MP M emory Protection M .W HEEL M odulation W HEEL OSC OSCillator PARA PA RA m eter PRGM PROGram PWM Pulse W idth M odulation RL R eturm Line ROM Read Only M emory S/H Sample & Hold SL Scan Line SW SWitch T H R U TH RoUgh TRA N S TRANSpose VA Voltage Analog VC A Voltage Controlled Am plifier VCF Voltage Controlled Filter VR Variable Resistor VO VOice SERVICE MANUAL AX80 SAFETY INSTRUCTIONS SAFETY CHECK AFTER SERVICING Confirm the specified insulation resistance between power cord plug prongs and externally exposed parts of the set is greater than lOMohms, but for equipment with external antenna…