罗兰Roland-D-50–D-550-Supplementary-Service-Manual维修服务手册说明书含电器原理图

罗兰Roland-D-50--D-550-Supplementary-Service-Manual维修服务手册说明书含电器原理图-找手册网
罗兰Roland-D-50–D-550-Supplementary-Service-Manual维修服务手册说明书含电器原理图
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APR.1988D.50/D-550 [Supplementary]D4为is宽更明相SERVICE NOTESLA Chip IC31 (Main boord)LA子y寸C3(有求-问First EditionLA32MBBTì3多LA策IWBB71360e8719e1与.满初(Pet Me.1822100011温w号1251能量41528To distinguith 100-pin waruion from 88-pin,new LA chipbears the nk女rame LA1拉on4tp山a进LA策上幸?T(票有,SUPPLEMENTARYe士四npat ble but pin-for-pin incomeatible with度钢的特性上以夏更体泰以生体人的.状有室香去南至the图in wartion,滑性过务小拿甘内。toC2亻成-)First EditionProgram ROM IC22 (Main board)D60Presram Wiraien0-0w.2.10一g,229Ver.210-"Ver.22]手=N今天家一砖T来北操作置更Changing y trampe0ucU间Ve.220 requires modified penel aporatian for ker中G22餐交为有多场含#1-罗■才之代-注量儿(下D50SN 868200-UPaar2销在Yer22n得幼毛幼上题U想16之专D550SN869950-UP·The sser will b0te6时ould his72hmb本一他制。C证replaced with different warsien groue without neciceMASK ROM LH531306 wil be found on some mainMASK ROM LH5J引羽使用去九7,:幸卡岁、幅摩MAJOR CHANGESboads.Awalable replscement for this matk RDM k用性有NTEPROM MBM27C512 IPN 151787831 onM.EPR0M已M2TCS1里昌。号15700E左W生T.LA Chip IC31 IMain boardlD550.Program ROM IC22 IMain boardlD-0Some main boards hams MASK ROM L131607 a IC22.PCM MASK ROM ICs 29 and 30 (Main board)MA9 K ROM LH53引T使用a九(4事t0.M修Replscemere is EPROM MnMZTCS12 IPN 15449111)orh.·Resistor Array5·tain Board AssYEP0AM旧MC50里B每号154111z稀e元PCM MASK ROM ICs 29 and 30(Main boord)生下,2 Mbit x 24Nb前IPCM MASK ROM IC93A4求-K)T0532000-747020G290、.TC网400074771G301TC532000.748920c300PN1517965B4et×IT5000ZTC30-T477The conents remains anchaeged.TC5300-74ZD-50製番868200以降D-550题器869950降号0时解■h0时tring lane水hich permit jumlection between 2M and AM ROMs.幸/8岁一圈号每26546国切A千事一卡下梯Dn main beards 22925445 Dup.plasse uoe 4 M-hit ROM.M干南能用可餐6t:M岁千了行ACM柱.主要室更点布重E债特W幸节②下,出亲品有图以4M日CM爱便月T下态:*LA手27C3《A有>求一F)Resistor Arrirys率了055A022(X4零-5)抵航了B-alamnent4element k 2*PCM MASK R0MG四,30〔求-下)8工2卜4江L>×22-alommt2EvA>h国料溪杭×?案概抗P以《Reter to Pirts Lit)i-以)天*海同车为>求-长A55YMain BoardPCB Onumber on teil pattemn sidelPC日鲁蒂《¥一直2292544503222544504223463254504+上胆里昌言著仁并龙儿去夕一>安项Re-lyout of foil pattem to accommodate new componenes.率惑告完威上儿了进以铜②②止直段性的备U零有。M an assemhly comphle with prececessors.Hance theik tereered asembly numbers are kept unchanged.CAUTION below.l下',CAUTION D50注意0mtiB0fVer.210te0弹0m0htch制220u0,w0ht学度青德L、公元T丁口7?4ROM色置更Roland儿T下泰L.(2nd printing OCT.'B8 B.2)Printed in Japan 8A-2
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