Yamaha PSR-140 Manuale di Servizio

SERVICE MANUALPK 001641HAMAMATSU, JAPAN1.43K-257 Printed in Japan '00.06CONTENTSSPECIFICATIONS·················································

PN(VR)LCDPN(PNL)PN(PNC)PN(PNR)[250D][L50][250H] [250E][250E][250E][250F] [250F][250H][250G][250H][250G][250G][250H]LCD unit[250]: Bind Head Tapping Sc

(Fig. 8)(Fig. 9)(Fig. 7)Rubber contactRubber contactHooks BMKPSR-280/PSR-282117. Assembling the keyboard assembly7-1 Install the white keys CEGB from

PINNO.I/O FUNCTIONNAMEPINNO.I/O FUNCTIONNAME1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575

PSR-280/PSR-28213PINNO.I/O FUNCTIONNAMEPINNO.I/O FUNCTIONNAME1234567891011121314151617181920/RES/INTNUMA7A6A5A4A3A2A1A0B0B1B2B3B4B5B6B7VSSIIII/OI/OI/O

PSR-280/PSR-28214IC BLOCK DIAGRAMµPC4570C (XC520A00)Dual Operational AmplifierDM: IC502AM: IC810,820µPD6379AGR (XR998A00)D/A ConverterDM: IC5011234-V8

2NA-V539790Component sidePattern sideto DM-CN7012LCD Circuit BoardCIRCUIT BOARDSPSR-280/PSR-28215AM Circuit Board (XY426B0) ··························

2NA-V533420Component sideto HAMMER SENSOR-CN32DM Circuit Boardfrom MKS-CN1from PN(VR)-CN501from LCD-CN701from AM-CN601from PN(PNR)-CN701 from AM-CN101

2NA-V533420Pattern side2DM Circuit BoardIC101, IC501, IC301, 302 installation detailed drawingIC101characterdirectionPin 1 markIC501characterPin 1 mar

Component sideComponent sideComponent sideComponent sideto Speaker-RPN(PNC, PW, VR):2NA-V534590AM:2NA-V53460032AM Circuit BoardPN(PNC) Circuit BoardPN

Pattern sidePattern sidePattern sidePattern sideAM Circuit BoardPN(PNC, PW, VR):2NA-V534590AM:2NA-V53460032PN(PNC) Circuit BoardPN(PW) Circuit BoardPN

PSR-280/PSR-2822WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electr

PN(PNL, PNR): 2NA-V534590Component sideComponent sideto PN(PNC)-CN7062PN(PNL) Circuit BoardPN(PNR) Circuit BoardOverallHARMONYYamaha Education SuiteDi

Pattern sidePattern sidePN(PNL) Circuit BoardPN(PNL, PNR): 2NA-V5345902PN(PNR) Circuit BoardPSR-280/PSR-28221

Component sideComponent sideMK-L Circuit BoardMKS3 Circuit BoardA'AB'BB'BA'A2NA-V240490MKS3:MK-L: 2NA-VV58380to MK-Hto MK-Hto DM-C

Component sideMK-H Circuit BoardC'CD'DD'DC'C2NA-VV583900to MKS3-CN4to MK-LPSR-280/PSR-28223

PSR-280/PSR-28224TEST PROGRAMA. PREPARATION1) PA-3B (AC adaptor) is used.2) The volume is usually moved to the use position when no volume change is r

PSR-280/PSR-282252829303137414243464748TEST NO.028: All LCD On029: All LCD Off030: I/F Chk031: Pedal1 Chk037: Midi Chk041: Rom Chk2042: Ram Chk2043: W

PSR-280/PSR-28226DATA INITIALIZATIONAll data can be initialized and restored to the factory preset condition by turning on thepower while holding the

[Portable Keyboard] Date:26-JAN-2000Model PSR-280/PSR-282TransmittedFunction...DefaultChangedBasicChannelDefaultMode Messages x xAlteredNote 0 - 127

NOTE:*1 By default (factory settings) the PSR-280 ordinarily functions as a 16-channel multi-timbral tone generator, and incoming data does not affect

PSR-280/PSR-28229Effect mapREVERBIf the received value does not contain an effect type in the TYPE LSB, the LSB will be directed to TYPE 0.The numbers

SPECIFICATIONSPSR-280/PSR-2823Keyboards• 61 standard-size keys (C1 - C6), with Touch Response andDynamic Filter.Display• Large multi-function LCD disp

CONTENTSOVERALL ASSEMBLY······························································································································

22030504020250280210360350(PNC)350(PNR)250350(PW)350(VR)350(PNL)25025025010b9010 Upper case assembly10c10a701201401308060110100L70L30L50L60150LCD unit

PSR-280/PSR-2823OVERALL ASSEMBLYOverall AssemblyOverall AssemblyUpper Case AssemblyUpper Case AssemblyUpper CaseUpper CaseSpeaker GrilleSpeaker Grille

PSR-280/PSR-2824KEYBOARD ASSEMBLYBind Head Tapping Screw-PBind Head Tapping Screw-PFrameFrameWhite KeyWhite KeyWhite KeyWhite KeyBlack KeyFeltRubber S

PSR-280/PSR-2825ELECTRICAL PARTSCircuit BoardCircuit BoardCircuit BoardCircuit BoardCircuit BoardCircuit BoardCircuit BoardCircuit BoardBind Head Tapp

PSR-280/PSR-2826DiodeDiodeHeat SinkICICICICICICPhone JackDIN ConnectorDIN ConnectorPhone JackConnectorJumper WireJumper WireJumper WireCoilCoilCoilCoi

PSR-280/PSR-2827Carbon ResistorCarbon ResistorCarbon ResistorCarbon ResistorCarbon ResistorCarbon ResistorCarbon ResistorCarbon ResistorCarbon Resisto

PSR-280/PSR-2828Wire TrapDiodeICICICICICICICICICICICICPhoto CouplerIC SocketIC SocketJumper WireJumper WireJumper WireJumper WireJumper WireJumper Wir

PSR-280/PSR-2829ICCarbon ResistorCarbon ResistorCarbon ResistorResistor ArrayThermistorConnector AssemblyCircuit BoardDiodeWire TrapWire TrapCircuit B

11716151413121110987654321171615141312111098765432ABCDEFGHIJKLABCDEFGHIJKLPSR-280/PSR282PSR-280/PSR-282 OVERALL CIRCUIT DIAGRAM 1/2 ( DM, AM, PN(VR

PSR-280/PSR-2824PANEL LAYOUT123 4567 7109811122423222120191817161514131Power switch ([STANDBY/ON])2[MASTER VOLUME] dial3[TOUCH] button4[HARMONY] butto

11716151413121110987654321171615141312111098765432ABCDEFGHIJKLABCDEFGHIJKLPSR-280/PSR282PSR-280/PSR-282 OVERALL CIRCUIT DIAGRAM 2/2 (PN(PNL, PNR, P

25 26 27 2829333435373038 39363140 41 3225MIDI IN, OUT terminals26SUSTAIN jack29Indicators30Overall indicator31Notation32 Keyboard33 Measure34Beat mar

DMAMCN102CN501CN101390 WH100 WH050WH060WH040WH500 380380WH300 WH400380WH200WH500WH010L70WH020L70WH400WH300WH040WH050WH030LCD unit Upper case assemblyS

PSR-280/PSR-2827PN(PNR)-CN701 DM-CN702 14PDM-PN-RConnector AssemblyPart No.(V539010)Location Destination RemarksWH010PN(PNR)-CN703 PN(PNL)-CN704 9PPN-

Keyboard SW MATRIX8MHzRESETSWX004.2VCPUCL1 IC1LCDDRIVERSW MATRIXSTANDBY/ONIC701LCDDISPLAYLD701LCDBUCKLIGHTCN1CN102 CN701 CN702CN701 CN911CN911CN1TXD1,

DM AMMKS3PN(PW)Keyboard assembly [A][240]Lower shield box[260B][280][250C][260B] [250A] [250A][30][260B] [250A][250B][250A][270B][270B] [270B][250C]: