ROLAND_U-20_维修手册电器原理图

JUNE 1989U-20AS-PCMKEYAOSERVICE NOTESTABLE OF CONTENTS目次PageFirst EditionEXPLOOED VIEW分解区2SPECIFICATIONS/仕樣KEYBOARD EXPLOCED VIEW键堂分解因34PARTS LIST1-yU又卜5WIRING7术下少岁6-8ew2g品-1w1-BLOCK DIAGRAM10y因91g25o1+maae-2Yog号日TEST MOCE于又kE-K10-21CONFIRMATION OF P-ROM VERSION No.P-RCMT一步■o32(100Chind Te ...+4MEMVORY INITIAUIZE看)=功二少+号买(2005odg九0制tFACTORY GATA LOAD工编出高鸭切于一夕内德办见动(21)时naHm-0n1:4merd fenePROGRAM ROM REPLACEMENT PROCEDUREブ口夕与么F0M②交染下厘21MAIN BOARDX术-N2223事年卡中卡卡卡卡卡卡JACK BOARD/MIDI BOARD少年7夕米-/3于术-N24BENDER BOARD/CARD BOARD心少梦一术一F/力一卡求一F25501…SWITCH BOARD/POWER SUPPLY BOARD《木凡术一形電雨术一尺28IC DATA10于一夕27-Duean D (dusl(wth LED widow)2757072170西爸画画白白白白白白SKHD 100GG1372-Button L (dua)西西西画台尚白白白白02249%2300Dution 5 (gad)srch22425222SXHVED 100G(13169线970SH-NBD 100G(131600)YKR21 -5010L己▣-Pawer SwichWC2A46A/5W(134481413181080-Card Escucheon-角ba Foct22223380F51-0411*0F-0181235930Bender Unit-LOD Cover23495117Cand Holser11342227405相-A01C2204518TD20531的1YK1-0122275盼1LOD Ut222159Ht2349511的：24西11(13449148G221N=LYa240A:23495114)(1342923305eAC Cord Bushing224同1g万杰100.220.24VA(125953&11V.20Pat EWA -NAOx 15414 10kA (VOLLME(13393060Pat EWA NPE 15815 100kB (C1,C2/VALUE](13350381》10V:220.240W4d0117w20性220Rolandnted in Japan4-2《DP1