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■ Table of Contents
〔1〕INFORMATION........................................................................................... 3
〔2〕BASIC.STRUCTURE................................................................................. 3
【A】.Operation.of.Mute.Mechanism.......................................................... 3
【B】.Hammer.Sensor.Overview................................................................. 4
【C】.Technical.Specifications.................................................................... 5
〔3〕ADJUSTMENTS........................................................................................ 7
【A】.Extraction.of.Action.Unit................................................................... 7
【B】.Adjusting.Stop.Rail.Height.and.Let-off..........................................10
【C】.Adjusting.the.Sensor.Height...........................................................12
【D】.Adjusting.the.Controller...................................................................13
【E】.Adjusting.the.Pedal.Sensor.............................................................14
【F】.Adjusting.the.Transducer.................................................................14
【G】.Replacing.and.adjusting.the.Drive.Lever.(P)................................15
〔4〕CHECK.AND.ADJUST.MODES............................................................17
【A】.Activating.the.Check.Mode.............................................................17
【B】.Checking.Switches.and.Pedal.Sensors........................................17
【C】.Checking.the.LCD............................................................................17
【D】.Checking.Keyboard.and.MIDI.........................................................18
【E】.Checking.the.Sound.Source...........................................................18
【F】.Checking.the.L/R.Channel..............................................................18
【G】.Checking.the.Hammer.Sensor........................................................18
【H】.Adjusting.the.Volume.Inconsistency..............................................18
【.I.】.Checking.Software.Version.and.Check.Sum...............................18
〔5〕STRUCTURE.OF.DETECTOR...............................................................19
【A】.Problems.with.Starting.....................................................................19
【B】.Problems.with.the.Controller...........................................................19
【C】.Problems.with.the.Pedal..................................................................22
【D】.Problems.with.emmitting.Sounds...................................................22
【E】.Problems.with.Mechanical.Noise...................................................24
【F】.Problems.with.Muting.the.Acoustic.Sound...................................24
【G】.Problems.with.Key.Touch................................................................25
【H】.Problems.with.Other.Mechanism....................................................25
【.I.】.Problems.with.the.Soundboard.Speaker.......................................26
〔6〕.ASSEMBLING.EXPLANATION..............................................................29
【A】.Controller.Assy..................................................................................29
【B】.Sound.Source.Unit............................................................................38
【C】.D-sub.Box...........................................................................................41
【D】.Sensor.................................................................................................42
【E】.Stop.Rail.............................................................................................44
【F】.Stop.Rail.Arm.....................................................................................46
【G】.Bracket................................................................................................47
【H】.Drive.Rod............................................................................................49
【.I.】.Drive.Lever.........................................................................................50
【J】.Action..................................................................................................52
【K】.Installing.the.Controller.and.the.Mute.Lever.................................56
【L】.Speaker...............................................................................................57
【M】.Actuator.(Transducer)......................................................................59
■
.Parts.List.......................................................................................................... 1
Electronic.Parts.:.ATX............................................................................... 1
P.W.B..KEP-326.(1).Assy.Parts.List....................................................... 3
KEP-268,269,270,271,272,273,274,277.(4).Assy.Parts.List.......... 4
P.W.B..KEP-267.(2).Assy.Parts.List....................................................... 6
P.W.B..KKB-036.(1).Erectrical.Parts.List............................................... 7
P.W.B..KKB-037.(1).Erectrical.Parts.List.............................................10
Erectrical.Parts.List.:.ATX-f....................................................................13
■
.Electrical.Drawing.......................................................................................... 1
GP-ATX(-f).Block.Diagram.(1/1).............................................................. 1
GP-ATX(GA,GB).SP_set.Cable.Wireing.Specification.(1/1)............... 2
GP-ATX(GA,GB).Sound.System.Assy..
Cable.Wireing.Specification.(1/1)....................................................... 3
GP-ATX(GA,GB).Control.Box.Unit.Assy..
Cable.Wireing.Specification.(1/1)....................................................... 4
GP-ATX.GA.KEP-326.(1).Circuit.Diagram.(1/6).................................. 5
GP-ATX.GA.KEP-326.(1).Circuit.Diagram.(2/6).................................. 6
GP-ATX.GA.KEP-326.(1).Circuit.Diagram.(3/6).................................. 7
GP-ATX.GA.KEP-326.(1).Circuit.Diagram.(4/6).................................. 8
GP-ATX.GA.KEP-326.(1).Circuit.Diagram.(5/6).................................. 9
GP-ATX.GA.KEP-326.(1).Circuit.Diagram.(6/6)................................10
GP-ATX.GA.KEP-267.(2).Circuit.Diagram.(1/1)................................11
GP-ATX.GA.KEP-268,274.(1).Circuit.Diagram..................................12
GP-ATX.GA.KEP-269,270,271.(1).KEP-269,270,271.(1)..
Circuit.Diagram.....................................................................................13
GP-ATX.GA.KEP-271.Circuit.Diagram.(1/1)......................................14
GP-ATX.GA.KEP-276.(2).Circuit.Diagram.(1/2)................................15
GP-ATX.GA.KEP-276.(2).Circuit.Diagram.(2/2)................................16
GP-ATX.GA.KEP-099.(4).Circuit.Diagram.(1/1)................................17
GP-ATX.GA.KKB-036.(1).(A).Circuit.Diagram.(1/4)..........................18
GP-ATX.GA.KKB-036.(1).(B).Circuit.Diagram.(2/4)..........................19
GP-ATX.GA.KKB-036.(1).(C).Circuit.Diagram.(3/4).........................20
GP-ATX.GA.KKB-036.(1).(D).Circuit.Diagram.(4/4).........................21
GP-ATX.GB.KKB-037.(1).(A).Circuit.Diagram.(1/4)..........................22
GP-ATX.GB.KKB-037.(1).(B).Circuit.Diagram.(2/4)..........................23
GP-ATX.GB.KKB-037.(1).(C).Circuit.Diagram.(3/4).........................24
GP-ATX.GB.KKB-037.(1).(D).Circuit.Diagram.(4/4).........................25
P.W.B..GP-ATX.GA.KKB-036.(1).Assy.Specification........................26
P.W.B..GP-ATX.RX2.KKB-037.(1).Assy.Specification......................27
P.W.B..GP-ATX.KEP-326.(1).Assy.Specification.(1/2).....................28
P.W.B..GP-ATX.KEP-326.(1).Assy.Specification.(2/2).....................29
P.C.B..GP-ATX.KEP-276.(2).Assy.Specification.(1/1).....................30
P.W.B..KEP-267.(2).Assembly.Specification.(1/1)............................31
P.W.B..KEP-268,269,270,271,272,273,274,277.(4)..
Assembly.Specification.(1/1).............................................................32