罗兰Roland-SH-7-Service-Manual维修服务手册说明书含电器原理图

L11978SH-7SYNTHESIZERSERVICE NOTESCONTENTSSPECIFICATIONS.·.····1DISASSEMBLY····…···3CIRCUIT DESCRIPTION···BLOCK DIAGRAM····PC0 NTROL B0ARDC(OPH-35).·.·..·.·8KEY CONTROL VOLTAGE BOARD (CVH-1)9OPH-35/CVH-1 CIRCUIT .........。10VC0-1B0ARD(VCOH-1).··…11VC0-1 CIRCUIT.··12VC0-2B0APRD(VCOH-2)···...13VC0-2 CIRCUIT...…..·14LFOB0ARD(LFOH-1)··.。…15LF0 CIRCUIT·.16VCF/VCA BOARD (OPH-14)......................................17OPH-14 CIRCUIT .............................................18CONTROL BOARD A (OPH-33)....................................190PH-33 CIRCUIT…20C0NR0LB0ADB(0H-34)…·21OPH-34 CIRCUIT .............................................22CONNECTION PANEL-SUB-CHASSIS .............................23POWER SUPPLY BOARD (PSH-13/14)/CIRCUIT ...................24POWER SUPPLY WIRING .........................................25ADJUSTMENT,.·…26PARIS ......................................................33PARTS LIST ..............……36KEYBOARD PARTS皇Roland