roland-tr505-维修电器原理图手册

JUN.1986TR-505TR-50SSERVICE NOTESFirst EditionSPECIFICATIONSMemory Capacity48 Preset Rhythm Patterns(Pattern Groups A,B and C,each 16 patterns)48 User's Programmable Rhythm Patterns(Pattern Groups D.E and F,each 16 patterns)Track6 (Max.consecutive 423 bars)Step1 to 16/measureTempo=40t0240OutputMax.Level 6.5 Vpp 47KS (MONO OUT)Noise LevelLess than-80dBm (IHFA)Tape In/Out600 baudPower Requirements9VDC(7.2V-10.35V)or AC Adaptor BOSS PSA-100,120,220 or 240Current draw30mADC at 9VBattery lifeApprox.30 hours using SUM-3SDimensions305W0×175(D)×75H)mm12-7/16"X6-7/8"×2-3/16"W868207 2.including batteriesAccessoriesConnection Cord LP-25OptionsAC Adaptor BOSS PSA-100,120,220 or 240Pedal Switch DP-2Pot,-Pot.Display WindowRK12K1140RK12K1240Key Top-(2202073800】1MC(13279794)100KBx2(2248010700】LCDKnob(13279793(150294331(2248010800)Knob(2248010800】Key Top(2247036700)Rubber Pad31 Contacts(12479791-LED redTop CaseSLP.144-40(2201068200j(15029144]