Kawai AnyTime X GP Service Manual
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Kawai AnyTime X GP Service Manual

Kawai AnyTime X GP Service Manual

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– GP –

Service Manual

Manufacturing Date Jun 2010
Date of issue : June 2010
Copyright © 2010 Kawai Musical Instruments Mfg. Co., Ltd. Allrights reserved

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Summary of Contents for Kawai AnyTime X GP

  • Page 1: Service Manual

    – GP – Service Manual Manufacturing Date Jun 2010 Date of issue : June 2010 Copyright © 2010 Kawai Musical Instruments Mfg. Co., Ltd. Allrights reserved...

  • Page 2: Table Of Contents

    ■ Table of Contents 〔1〕INFORMATION................... 3 ■.Electrical.Drawing..................1 GP-ATX(-f).Block.Diagram.(1/1).............. 1 〔2〕BASIC.STRUCTURE................. 3 GP-ATX(GA,GB).SP_set.Cable.Wireing.Specification.(1/1)....2 【A】 .Operation.of.Mute.Mechanism............3 GP-ATX(GA,GB).Sound.System.Assy.. 【B】 .Hammer.Sensor.Overview..............4 Cable.Wireing.Specification.(1/1)............3 【C】 .Technical.Specifications..............5 GP-ATX(GA,GB).Control.Box.Unit.Assy.. 〔3〕ADJUSTMENTS..................7 Cable.Wireing.Specification.(1/1)............

  • Page 3: 1〕Information

    〔1〕INFORMATION Mute Lever Silent Mode This guide describes the basic structure of the Grand Piano ANYTIME X, and provides instructions on how to perform adjustments and troubleshooting. Standard Please refer to this guide for maintenance services. Play Mode Wire Keybed Right 〔2〕BASIC STRUCTURE Down Surface ANYTIME X is an hybrid instrument that incorporates an acoustic piano and a digital piano, therefore...

  • Page 4: B】Hammer Sensor Overview

    【B】Hammer Sensor Overview (Strings side) (Keyboard side) Key being The GP-ATX Hammer Sensing System is composed of three optical sensors to detect the hammer's Velocity Auxiliary depressed Sensor Mount Rail movement.The system adopted before AT II was sensinng the keys movements and detecting only two points in the keys passage.

  • Page 5: C】Technical Specifications

    【C】Technical Specifications GP-ATX./.ATX-f. Model.Name max..192.notes Polyphony Concert.Grand.1,.Concert.Grand.2,.Studio.Grand.1,.Studio.Grand.2,.Mellow.Grand.1,.. Sounds Mellow.Grand.2,.Bright.Piano,.Rock.Piano,.Electric.Piano.1,.Electric.Piano.2,.Slow.Strings,. SyntheString,.String.Ensemble,.Choir,.Harpsichord,.Harpsichord.Octave,.Vibraphone,.. Church.Organ.1,.Church.Organ.2,.Jazz.Organ.1,.Jazz.Organ.2、Fantasy 16.x.2.characters.LCD Display Reverb.(Room1,.Room2,.Stage,.Hall1,.Hall2) Effect Beat:.1/4,.2/4,.3/4,.4/4,.5/4,.3/8,.6/8,.7/8,.9/8,.12/8 Metronome 9.songs,.max..75000.notes Recorder 29.tunes Demo Voicing. (6. types),. Damper. Resonance,String. Resonance,. Key. Off. Effect,Touch. Curve. (6. types),. . Virtual.Technician Temperament.(9.types),.Tuning,.Stretch.Tuning.(2.types) － 12.to.＋ 12.half.tone Transpose Dual,.Dual.Balance,.User.Memory,.Loudness,.Factory.Reset,.Display.Language Other.Features Damper.(8.degrees),.Soft.(ON/OFF),.Sostenuto.(ON/OFF).

  • Page 7: 3〕Adjustments

    〔3〕ADJUSTMENTS 【A】Extraction of Action Unit ［Instructions］ 　－ Pulling out the Action － ［Preparation］ 　・Phillips Screwdriver Large 【A-1】 Set back the position of the mute lever located on the high tone keys side under the keybed to 　・Phillips Screwdriver No.2 unlock the Silent Mode. 【A-2】...
  • Page 8 ［Instructions］ 　－ Rotating the Sensor － 【A-6】 Loosen all six screws fully, as shown in Figure 4. ＊ Loosen each screws by around three rotations in turn, do not loosen the screws fully one by one. ＊ The screws will not drop off easily even after fully loosened because they are provided with a a drop prevention washer.
  • Page 9 ［Instructions］ 　－ Turning the Stop Rail － 【A-8】 Pull down the set lever to release the action part from the mount/dismount state. 【A-9】 Remove the washer screw and bush (semitransparent) located on the side of the action unit low tone part, as shown in Figure 6.

  • Page 10: B】Adjusting Stop Rail Height And Let-Off

    【B-5】 Check the muting state. 【B】Adjusting Stop Rail Height and Let-off ＊ Criteria for judging [Preparation] 　・ Hit strongly each section of the keyboard five times in a row with three fingers of your 　・Phillips Screwdriver Large dominant hand, and make sure that the hammer does not strike the string. 　・Phillips Screwdriver No.2 (longer shaft) 　・...
  • Page 11 [Work Procedure]　－ Adjusting the stop rail height per section － In the GP, the distance between the keybed and the string undersurfaces may vary depending on the areas of the piano. In the GP-ATX, it is possible to adjust the stop rail height per section to follow the variation of this distance, and make sure that the muting happens at the 4 mm point of let-off.

  • Page 12: C】Adjusting The Sensor Height

    【C】Adjusting the Sensor Height [Preparation] 　・Phillips Screwdriver No.2 　・Flat screwdriver No.2 The height of the sensor is one of the elements that has a direct influence on the emission of the electronic sound and the muting position. For instances, if the sensor is located at an extremely high position, the position of emitting sound may be higher than the position where the hammer stops by the stop rail.

  • Page 13: D】Adjusting The Controller

    【D】Adjusting the Controller View from the piano underside [Preparation] Sound Source Box 　・Phillips Screwdriver No.2 The GP-ATX is equipped with a drawer-style controller that does not compromise the appearance of the piano. Therefore if an adjustment is needed for appearance or operational reasons between the controller box and the control panel (containing the LCD and the operation buttons in a pull-out style), follow the procedures below.

  • Page 14: E】Adjusting The Pedal Sensor

    【E】Adjusting the Pedal Sensor 【F】Adjusting the Transducer [Preparation] [Preparation] 　・Phillips Screwdriver No.2 　・Phillips Screwdriver No.2 　・10 mm Wrench In the GP-ATX, the sensors sensing the movement of pedals are housed in the box located over the pedal rods. A type of guard called “push nut” is fixed on the pedal rod, and this drives functionally the volume (for Loud The GP-ATX-f is equipped with a soundboard speaker.

  • Page 15: G】Replacing And Adjusting The Drive Lever (P)

    【G】Replacing and adjusting the Drive Lever (P) [Preparation] 　・Phillips Screwdriver No. 2 The install position of the drive lever (P) is very important since it has direct influence on the muting performance (See 〔2〕 【A】 for details).When replacing the drive lever (P), follow carefully the procedures below, and install it paying extremeattention to the lengthwise position (Length A) from the keybed front side.
  • Page 16 – 16 –...

  • Page 17: 4〕Check.and.adjust.modes

    〔4〕CHECK AND ADJUST MODES ③ Press down each pedal, and check if the following message appears on the LCD for each pedal. １．ＳＷ　＆　ＬＥＤ １．ＳＷ　＆　ＬＥＤ ※ This section describes the modes needed for performing checking and adjustments when a problem occurs. Soft Sostenuto ※...

  • Page 18: D】Checking Keyboard And Midi

    【D】Checking Keyboard and MIDI From “ 【C】 Checking the LCD” state, press the [Play/Stop] button repeatedly until the message below is displayed on the LCD. From the “ 【C】 Checking the LCD” state, press the [Play/Stop] button one time. Ｃ．Ｋｅｙ　Ａｄｊｕｓｔ The following message will appear on the LCD.

  • Page 19: 5〕Structure.of.detector

    〔5〕STRUCTURE OF DETECTOR 【A】Problems with Starting ● Does.not.turn.on. Possible.Cause.1.:.. T he.AC.adapter.may.be.disconnected.or.out.of.order.. Solution.1.: Check the AC adapter connection and the output voltage. Possible.Cause.2.:.. T he.connector.may.be.disconnected. Solution.1.: Referring to 〔6〕 【B】 , open the connector cover of the sound source unit and check if all connectors are firmly inserted.
  • Page 20 ● Nothing.is.displayed.on.the.LCD.but.the.switch.panel.works.. Possible.Cause.1.:.. T he.connector.may.be.disconnected. Solution.1.: Referring to 〔6〕 【A】 “Assembling the Controller”, disassemble the controller and check if the connector between the panel board and LCD unit is disconnected. Possible.Cause.2.:.. T he.LCD.unit.may.be.out.of.order.. Solution.1.: Replace the LCD unit. Possible.Cause.3.:.. T he.switch.board.may.be.faulty.. Solution.1.: Check the soldering surface on the switch panel board.
  • Page 21 ● The.MIDI.does.not.work.. First,.refer.to. 〔4〕 . 【D】 .and.run.it.in.the.check.mode. If.it.functions.normally,.the.problem.might.be.in.the.MIDI.device.connected.to.it. If.it.does.not.function.normally,.try.the.following.solutions. Possible.Cause.1.:.. A re.the.IN.and.OUT.terminals.correctly.connected? Solution.1.:.. C heck the connection. Possible.Cause.2.:.. T he.connector.may.be.disconnected. Solution.1.:.. C heck all connectors and cables, as well as the LINE board. Possible.Cause.3：. T he.switch.board.may.be.faulty.. Solution.1.:.. C heck the soldering surface of LINE board, as well as the board itself. If no clue is found, replace the board.

  • Page 22: C】Problems With The Pedal

    ● . T he. switch. panel. does. not. stay. in. place. even. if. pushed. in.. Or. it. pops. out. with. every. little.shock. Possible.Cause.1.:.. T here.is.a.problem.with.adjustment.of.the.assembly.. Solution.1.: Refer to to 〔3〕 【D】 “Adjusting the Controller”, and re-adjust the controller. Possible.Cause.2.:.. T he.latch.is.broken.. Solution.1.: Refer to〔6〕...
  • Page 23 ● No.sound.comes.from.any.of.the.4th.keys. Possible.Cause.1.:.. T he.connector.is.disconnected.or.the.cable.is.broken.. Solution.1.: If this happens at the second and following sections of the sensor PWB, check the cable connectivity between the sensor boards. Solution.2.: If you cannot solve the problem following Solution 1 or if the error happens in the first section, remove the connector cover of the sound source unit and check the cable contacts of the sensor relay (2), referring to 〔6〕...

  • Page 24: E】Problems With Mechanical Noise

    【E】Problems with Mechanical Noise ● Noise.can.be.heard.before.the.hammer.reach.the.string.or.the.hammer.sticks.on.it. Possible.Cause.1.:.. T he.shutter.and.sensor.positions.are.too.close.in.the.front-back.direction,.and.the.shutter. touches.inside.the.sensor.cover.. Solution.1.: Loosen the screws of the sensor PWB frame or the sensor PWB assy, then adjust the sensor PWB frame. Possible.Cause.2.:.. T he. shutter. and. sensor. positions. are. too. close. vertically. and. the. shutter. touches. the. bottom.of.the.sensor.cover..

  • Page 25: G】Problems With Key Touch

    ● Even.when.the.damper.pedal.is.stepped.on,.the.sound.of.string.does.not.fade.away.. Possible.Cause.1.:.. S ince.the.damper.is.detaching.from.the.strings,.the.sound.will.not.fade.away.. Solution.1.: Because of the piano's structure, this cannot be canceled. 【G】Problems with Key Touch ● In.the.entire.key.area.or.in.certain.keys,.there.is.no.feel.of.smoothness.before.letting.off.. Possible.Cause.1.:.. T he.hammer.shank.is.touching.the.shank.stop.rail.before.letting.off.. Solution.1.: Referring to 〔3〕 【B】 , raise the stop rail in the range without emitting sound when keystroked strongly.

  • Page 26: Problems.with.the.soundboard.speaker

    ● The.fallboard.does.not.open.and.close.smoothly. Possible.Cause.1.:.. T he.cable.touches.the.fallboard.at.the.inner.left.side.of.the.piano.body. Solution.1.: Bundle and push backwards the cables using the binder. ● . A fter.releasing.the.Mute.mode,.additional.keystrokes.are.needed.before.the.piano.starts. emitting.sounds. Possible.Cause.1.:.. T he.mute.mechanism.does.not.function.well.. Solution.1.: Replace the springs of the mute mechanism on the inner side of the piano and on the action. Solution.2.: Loosen the screws on the drive part of the entire mute mechanism, and adjust any distortion of the assembly.
  • Page 27 ● The.soundboard.speaker.does.not.sound.loud.enough. Possible.Cause.1 : There.are.some.problems.with.the.sound.system.PWB.board.. Solution.1.: Referring to 〔6〕 【B】 , open the sound source unit and replace the sound system PWB board. Possible.Cause.2 : This.is. as. designed.. (The. soundboard. speaker. is. an. intermediate. means. between. headphone.and.acoustic.sound.) Solution.1.: If you connect the external amplifier and speaker to the LINE OUT of controller, you will hear the sound that the amplifierr can perform.
  • Page 28 – 28 –...

  • Page 29: 6〕 Assembling Explanation

    〔6〕 ASSEMBLING EXPLANATION 【A-2】Slide Guide 【A】Controller Assy 【A-1】 Volume Assembling.Instruction 1. Press fit three bushs ⑤ to slide guide rod ⑤ . ＊ . F ollow.the.instruction.shown.in.the.drawing.below.. how.to.press.fit. 2. Fasten strike ② on slide guide ① with two screws ④ . 3.
  • Page 30 Assembling.Instruction 【A-3】Rod Support 1. Press fit push latch ② to rod support assy ① . 2. Insert slide guide assy ③ on rod support assy ① , and adjust the smoothness of the rod. 　　＊ Follow.the.adjusting.instruction.shown.in.the.drawing.below. 3. Insert panel spring ④ , slide guide assy ③ on the rod, and press fit slide guide assy ③ to fix on the push strike.
  • Page 31 Assembling.Instruction 【A-4】Control Panel (1) 1. Install key guides ② ③ ④ on the double-sided adhesive tapes of the control panel assy. Assembling.Instruction 　　＊ Refer.to.the.disposition.shown.in.the.drawing.below. 1. Attach the four pieces of double-sided adhesive tapes ② on the control panel Assy ① . 2.
  • Page 32 【A-4】Control Panel (2) Assembling.Instruction 1. Attach two pieces of double-sided adhesive tapes ③ on SW. PWB assy ② . 　　＊ Refer.to.the.install.position.shown.in.the.drawing.below. 2. Fasten the SW. PWB assy on Control panel assy ① with four screws ⑤ . 3. ④ Fasten LCD PWB assy ④ with four screws ⑥ . 4.
  • Page 33 Assembling.Instruction 【A-4】Control Panel (3） 1. Perform countersinking processing on Rotary damper ③ as shown in the drawing left below. 2. Attach Bumpon ④ on the postion on SW. PWB assy ② which the drawing below right indicates. 3. Place panel cover ② on control panel assy ① and fasten it with two screws ⑥ . 4.
  • Page 34 Assembling.Instruction 【A-5】Control Box (1) 1. Fasten MIDI PWB assy ② on contol box assy ① with four screws ④ and two screws ⑤ . 2. Fasten LINE PWB assy ③ with two screws ⑤ . Assembling.Instruction Attach Vol. PWB cushion ⑪ on control box assy ① . 2.
  • Page 35 Assembling.Instruction 【A-5】Contol Box (2) 1. ③ Perform additional processing on damper guide ③ as shown in the drawing left below. 2. Fasten damper guide ③ on damper adjuster ② with four of screw ④ . 3. Fasten damper adjuster ② on control box assy ① with two of screw ⑥ . ＊...
  • Page 36 【A-5】Control Box (3) Assembling.Instruction 1. ① From the opening of the control box assy ① , insert the contol panel unit assy ② and place them as to face each other. 2. Fasten slide assy ③ on control panel assy ④ with three of screw ④ . ＊...
  • Page 37 Assembling.Instruction 【A-6】Controller Cover 1. Place control box assy ① on controller cover assy ② aligning with the screw holes position. ＊ As.indicated.at. 【A-5】 .Control.Box.(3),.hold.it.while.inserting.the.rods.into.the.rod.holder.. 2. Fasten control box assy ① with four screws ④ . 3. Fasten the slide assy with three screws ④ . 4.

  • Page 38: B】Sound Source Unit

    【B】Sound Source Unit 【B-1】Installing PWB Spot nut Assembling.Instruction 【Figure.Left】 1. Fasten Analog PWB assy ② on the spot nut of PWB chassis assy ① with six screws. ＊ Install.the.assy.in.the.direction.shown.in.the.drawing. ＊ Tighten.together.with.binders.⑥.at.the.two.positions.shown.in.the.drawing.. ＊ Install.the.binder.in.the.direction.shown.in.the.drawing. Description Description Remarks 1. PWB.Chassis.Assy. PWB.chassis.assy 909785. 【Figure.Middle】...
  • Page 39 【B-2】Installing Side Cover ⑤ Protector ⑤ Protector Assembling.Instruction 【Figure.Left】 1. Fit two protectors ⑤ into the holes of the PWB chassis side cover(1) ② . 2. Fasten PWB chassis side cover (1) ② on PWB chassis assy ① with four screws ⑥ . In the same way, fasten PWB chassis side cover(2) ③...
  • Page 40 【B-3】Installing Sound System PWB Assy Assembling.Instruction 【Figure.Left】 1. Fasten Sound system PWB assy ② with eight PWB spacers ④ . No.. Description. Description Remarks. 1. PWB.Chassis.Assy. PWB.chassis.assy See.B-1 【Figure.Middle】 2. Sound.System.PWB.ASSY. Sound.system.PWB.assy KEP-326.(1). 238357 2. Place Sound system PWB assy ③ on the PWB spacers ④ , then fasten it with egiht screws ⑦ . 3.

  • Page 41: C】D-Sub Box

    【C】D-sub Box Wiring diagram FPGA relay(2) cable Sensor relay(1) cable INSULOK tie T-18R ＊ Face the bindig part to this side Tighten together with ground terminal Assembling.Instruction 1. Fasten SFPGA PWB assy ② on FPGA PWB cover assy ① with four screws ⑤ . No..

  • Page 42: D】Sensor

    【D】Sensor 【D-1】Sensor Cover Table1.Name.of.Sensor.PWB.A-D.assy,.Corresponding.Sensor.PWB,.Number.of.Sensor.Cover. Name.of.Sensor.PWB.A-D.assy Sensor.PWB Number.of.sensor.cover KKB-036.A.(1).. Sensor.PWB.(1).assy [KKB-037.A.(1)] [26] KKB-036.B.(1). Sensor.PWB.(2).assy. [KKB-037.B.(1)] [28] KKB-036.C.(1). Sensor.PWB.(3).assy [KKB-037.C.(1)] [18] KKB-036.D.(1). Sensor.PWB.(4).assy. [KKB-037.D.(1)] [16[ Without［.］=GM,GE,RX-1,.with［.］=.RX-2,3,5 Assembling.Instruction 1. Fit sensor cover ② into the hole of sensor PWB ① . ＊.. 【IMPORTANT】 . Make. sure. the. sensor. cover. is. pushed. deeply,. and. does.not.float..(shown.in.the.drawing.left.down) Sensor cover and assy adhered ○...
  • Page 43 【D-2】Sensor PWB Frame Assy Assembling.Instruction 1. Fasten sensor PWB (1) assy ③ on sensor PWB frame (1) assy ① with eight screws ⑦ . 2. Fasten sensor PWB (2) (3) (4) assys ④⑤⑥ to sensor PWB frame (2) assy ② with 18 screws ⑦ (50 screws for RX-2, 3, 5).

  • Page 44: E】Stop Rail

    【E】Stop Rail Assembling.Instruction 【E-1】Shank Stop Rail (1) 1. Attach two pieces of stop rail cushion (1) ② on shank stop rail (1) ① . 　　＊.Observe.the.attaching.position.shown.in.the.drawing.below. 2. Attach stop rail upper cushion (1) ③ and stop rail support plate (1) ④ on shank stop rail (1) ① . 　　＊.Observe.the.attaching.position.shown.in.the.drawing.below.
  • Page 45 Assembling.Instruction 【E-2】Shank Stop Rail (2) (3) (4) 1. Attach two pieces of stop rail cushion (2) (3) (4) ② on shank stop rail (2) (3) (4) ① . 　　＊.Observe.the.attaching.position.shown.in.the.drawing.below. 2. Attach stop rail upper cushion (2) (3) ③ and stop rail support plate (2) (3) ④ on shank stop rail (2) (3) ① . 　　＊.Observe.the.attaching.position.shown.in.the.drawing.below.

  • Page 46: F】Stop Rail Arm

    【F】Stop Rail Arm Assembling.Instruction 【F-1】Stop Rail Arm (1)L/R, (2)L/R, (3) 1. Insert hexagon nut ⑦ into sensor screw ④ . 2. Insert sensor screw ⑥ into stop rail arm (1) (2) (3) ① until the point shown in the drawing below. 3.

  • Page 47: G】 .Bracket

    【G】Bracket Assembling.Instruction 【G-1】Stop Rail Bracket (1) 1. Fasten spring hook ② on the stop rail bracket (1) ① with two screws ⑧ . 2. Fasten rail arm bearing ③ on the stop rail bracket (1) ① with two screws ⑧ . 3.
  • Page 48 【G-2】Stop Rail Bracket (2) 【G-3】Stop Rail Bracket (3) Assembling.Instruction Assembling.Instruction 1. Fasten two rail arm bearings ② on stop rail bracket (2) ① with four screws ⑥ . 1. Fasten rail arm bearing ② on rail arm bracket (3) ① with two screws ⑥ . 3.

  • Page 49: H】Drive Rod

    【H】Drive Rod Assembling.Instruction 1. Attach Cushion Felt (1) - (4) ② ③ ④ ⑤ on Drive Rod ① at the position shown in the drawing. 　　＊.. T he. attaching. position. in. the. circumference. of. circle. should. be. as. shown. in. the. drawing. left. below..

  • Page 50: Drive.lever

    【  I  】Drive Lever Assembling.Instruction 【 I-1】Drive Lever (A) 1. Insert nut ⑥ into screw ⑤ . 2. Tighten screw ⑤ into drive Lever (A) ① until the point shown in the drawing left below, and tighten nut ⑥ to fix it. 3.
  • Page 51 【 I-2】Drive Lever (P) Apply adhesive around the rod base (G-17) Apply a slight coat of grease on the rod Assembling.Instruction 【Refer.to.Drawing.in.Left】 1. Fasten muffler arm support ② on drive lever base ① with two screws ⑪ . 2. Press fit two bushes ④ to drive lever (P) ③ . 3.

  • Page 52: J】Action

    【J】Action 【J-1】Installing the Shutter and the Stop Bracket Assembling.Instruction Detail A 1. If the hammer rail and hammer rail screws are attached (not shown in the drawing), remove them. 2. Apply bond on the junction between the hammer shank and the hammer wood following the drawing on the right.
  • Page 53 Assembling.Instruction 【J-2】Installing the Drive Rod and the Drive Lever (A) 1. Set crank rod bearing assy ③ on drive rod assy ② , then fasten it on the top rail bracket with screw ⑦ . 2. As show in Detail C, fasten drive lever (A) assy ④ on drive rod assy ② with screw ⑧...
  • Page 54 【J-3】Installing the Stop Rail Arm and the Stop Rail Assembling.Instruction 1. Insert stop rail arm assy ② ③ ④ ⑤ ⑥ to the muffler arm bush of stop rail bracket. (See Detail D) 　　＊.Deploy.the.②.③.④.⑤.⑥.assys.as.shown.in.the.drawing.. 　　＊.Nip.the.drive.rod.pin.with.the.bent.part.of.stop.rail.arm.as.shown.in.the.drawing.left. 2. Fasten Stop rail arm bind fittings ⑪ on Stop rail arm (2) L assy ④ and Stop rail arm (2) R assy ⑤ with one screw ⑫...
  • Page 55 Assembling.Instruction 【J-4】Installing the Sensor Arm and the Sensor 1. Insert screws ⑤ to the two end points of sensor (1) assy ③ (from the top), then press fit nylon washers ⑥ from the bottom to prevent screws ⑤ from dropping. 　　＊.Refer.to."Position.of.screw.and.washer".in.the.drawing.below..

  • Page 56: K】Installing The Controller And The Mute Lever

    【K】Installing the Controller and the Mute Lever Assembling.Instruction 1. Attach controller assy ② on keybed ① with three screws ⑤ . 2. In the same way, attach mute lever assy ④ with three screws ⑤ . 3. Attach muffler arm stopper rubber ③ with screw ⑤ . No..

  • Page 57: L】Speaker

    【L】Speaker 4. Attach acoustic material (acoustic absorbing material) ⑤ on enclosure ① . 【L-1】Enclosure 2. Attach speaker cushion ④ along the inner diameter of 　　Insert the bass reflex port into the opening, then fasten it with four filament tapes ⑨ . speaker grill edge of enclosure ①...
  • Page 58 【L-2】Installing.the.Speaker.Backboard.and.the.Support.Fittings Assembling.Instruction 1. Attach acoustic material ③ on speaker backboard ② with eight tackers ⑧ . 　　＊.Observe.the.attaching.position.shown.in.the.drawing.below. Wiring the Speaker 2. Connect the speaker cabe to the speaker terminal. 【Speaker (L) Assy】 Speaker terminal (Unmarked ) (Red) 　　＊.Follow.the.wiring.instruction.shown.in.the.drawing.on.the.right.. ↑ ↑ Speaker terminal (Black) (White)

  • Page 59: M】Actuator (Transducer)

    【M】Actuator (Transducer) 【M-1】Assembling the Actuator (Transducer) Attaching.Position.of.Actuator.Cushion Assembling.Instruction ＊ . A ttach.it.in.the.exact.same.concentric.circle.with.Actuator.③ .. 1. Attach actuator cushion ④ on actuator ③ . 　　＊.Observe.the.attaching.position.shown.in.the.drawing.upper.right.. 2. Insert one serrated flange hex lock nut ⑥ into hexagon head bolt ⑤ . 3. First insert actuator support ① and plain washer ⑦ on the above mentioned hexagon head bolt, then insert actuator nut ②...
  • Page 60 【M-2】Installing.the.Actuator.(Transducer).and.the.Cover.Assy Assembling.Instruction 1. Fasten the actuator assembled in 【M-1】 (previous page) on the pillar of piano with two screws ⑦ . 　　＊取付位置は、ケース総組立図に従うこと。 2. Adjust the height of actuator following the adusting method below. 3. Wire the cables on the actuator. 　　＊...

  • Page 61: Parts.list

    ■ Parts List Electronic Parts Code No. Parts Name Q'ty Parts Number Remarks 238357 PWB Assy KEP-326(1) 238359 PWB Assy KKB-036(1) A-type 238360 KKB-037(1) B-type 238361 PWB Assy KEP-267(2) 238394 PWB Assy KEP-268,269,270,271,272, 273,274,277(4) 237810 PWB Assy KEP-099(4) 950661 PH Color Standard Cable PH-08-0150-GRY TG-BOX 949160...
  • Page 62 Code No. Parts Name Q'ty Parts Number Remarks 814456 MSC-C162DYLY-9N 815646 511-1162-0501 816208 AC ADAPTOR PS-154 Power Cable Set 816106 X-V722/SZC7S For D 809170 EC-511-E07 For CD,GE230 – Parts.List.2 –...

  • Page 63: P.w.b

    P.W.B. KEP-326 (1) Assy Parts List Code No. Parts Name Q'ty Parts Number Parts Address Side A 814750 MB91302APFF-G K022-FP 814414 MB87L8040 U10,12 813047 uPC2933AT-E1 814845 BD5245 G-TR 238363 Flash ROM KP588-FFFW 238364 Flash ROM KP589-FFFW 816505 SN74ALVC10APWR 816503 SN74LVC1G08DBVR 812217 TC74HCT7007AF(TP1) 238365...

  • Page 64: Kep-268,269,270,271,272,273,274,277.(4).Assy.parts.list

    KEP-268,269,270,271,272,273,274,277 (4) Assy Parts List Code No. Parts Name Q'ty Parts Number Parts Address PANEL KEP-268 816010 PIC16F873A-I/SP 816057 Programmed IC PIC16F870A-I/SP 811018 PST600C 800625 Diode 1SS133T-77 D6,7,8,9,10,11,12,13,14,15 813111 EL3105VRT LED2,3,4,5,6,7,8,9 816059 X'tal Oscillator AT-49 16.00MHz 808345 Tactile Switch KSHG0612AT SW1,2,3,4,5,6,7,8,9,10 816605 Ferrite Core...
  • Page 65 Code No. Parts Name Q'ty Parts Number Parts Address 804574 Connector B8B-PH-K-S(LF)(SN) CN11 805827 Connector B9B-PH-K-S(LF)(SN) CN16 804575 Connector B10B-PH-K-S(LF)(SN) CN15 806174 Connector B11B-PH-K-S(LF)(SN) 803878 Connector B13B-PH-K-S(LF)(SN) CN10 POWER SWITCH KEP-272 815073 Diode SF5S4-7100 814501 Rotary Volume RK0971221F15C0V103 803428 Connector B3P-VH(LF)(SN) CN19,25 806750...
  • Page 66 P.W.B. KEP-267 (2) Assy Parts List Code No. Parts Name Q'ty Parts Number Parts Address 816566 Programmed IC A3P060-VQG100 804051 74HC32FP-EL 812217 TC74HCT7007AF(TP1) 804056 HD74HC245FPEL U1,2 815998 TAR5S15U(TE85L,F) 816012 X'tal Oscillator DSO321SR 815731 Chip Bead BLM18HD601SN1D EM1,3,4,5,6,7,8,9,10,11,12,13,14,16, 17,18,19,20,21,22,23,24,25,26,27,29, 33,34,35,36,37,38,39,40,41,42,43,44, 45,46,48,49,50 805640 Connector S13B-PH-K-S...

  • Page 67: P.w.b

    P.W.B. KKB-036 (1) Erectrical Parts List Code No. Parts Name Q'ty Parts Number Parts Address KKB-036-A PX-001 815824 TC74VHC238FT 816017 TC74VHCT541AFT 816569 TC74VHCT86AFT 816570 Photo-Transistor PT100MF0MP TR101,102,103,104,105,106,107,108,109, 110,111,112,113,114,115,116,117,118, 119,120,121,122,123,124,125,126,127, 128,129,130,201,202,203,204,205,206, 207,208,209,210,211,212,213,214,215, 216,217,218,219,220,221,222,223,224, 225,226,227,228,229,230,301,302,303, 304,305,306,307,308,309,310,311,312, 313,314,315,316,317,318,319,320,321, 322,323,324,325,326,327,328,329,330 816571 GL100MN0MP LD101,102,103,104,105,106,107,108,109, 110,111,112,113,114,115,116,117,118, 119,120,121,122,123,124,125,126,127, 128,129,130,201,202,203,204,205,206, 207,208,209,210,211,212,213,214,215,...
  • Page 68 Code No. Parts Name Q'ty Parts Number Parts Address 816570 Photo-Transistor PT100MF0MP TR131,132,133,134,135,136,137,138,139, 140,141,142,143,144,145,146,231,232, 233,234,235,236,237,238,239,240,241, 242,243,244,245,246,331,332,333,334, 335,336,337,338,339,340,341,342,343, 344,345,346 816571 GL100MN0MP LD131,132,133,134,135,136,137,138,139, 140,141,142,143,144,145,146,231,232, 233,234,235,236,237,238,239,240,241, 242,243,244,245,246,331,332,333,334, 335,336,337,338,339,340,341,342,343, 344,345,346 816579 Diode KDS165U-RTK/P D46,47,48,49,50,51,52,53,54,55,56,57,58, 59,60,61,62,63,64,65,66,67,68,69 816573 Connector B6B-PH-SM4-TB(LF)(SN) 816574 Connector B12B-PH-SM4-TB(LF)(SN) 816575 Connector B16B-PH-SM4-TB(LF)(SN) 814085 Connector B4B-PH-SM4-TB(LF)(SN)
  • Page 69 Code No. Parts Name Q'ty Parts Number Parts Address 816579 Diode KDS165U-RTK/P D70,71,72,73,74,75,76,77,78,79,80,81, 82,83,84,85,86,87,88,89,90,91,92,93,94, 95,96,97,98,99,100,101,102 814085 Connector B4B-PH-SM4-TB(LF)(SN) CN7,9 816575 Connector B16B-PH-SM4-TB(LF)(SN) CN8,10 KKB-036-D RX1-004 815824 TC74VHC238FT 816570 Photo-Transistor PT100MF0MP TR169,170,171,172,173,174,175,176,177, 178,179,180,181,182,183,184,185,186, 187,188,269,270,271,272,273,274,275, 276,277,278,279,280,281,282,283,284, 285,286,287,288,369,370,371,372,373, 374,375,376,377,378,379,380,381,382, 383,384,385,386,387,388 816571 GL100MN0MP LD169,170,171,172,173,174,175,176,177, 178,179,180,181,182,183,184,185,186, 187,188,269,270,271,272,273,274,275, 276,277,278,279,280,281,282,283,284,...
  • Page 70 P.W.B. KKB-037 (1) Erectrical Parts List Code No. Parts Name Q'ty Parts Number Parts Address KKB-037 ｰ A RX2-001 815824 TC74VHC238FT 816017 TC74VHCT541AFT 816569 TC74VHCT86AFT 816570 Photo-Transistor PT100MF0MP TR101,102,103,104,105,106,107,108,109, 110,111,112,113,114,115,116,117,118, 119,120,121,122,123,124,125,126,201, 202,203,204,205,206,207,208,209,210, 211,212,213,214,215,216,217,218,219, 220,221,222,223,224,225,226,301,302, 303,304,305,306,307,308,309,310,311, 312,313,314,315,316,317,318,319,320, 321,322,323,324,325,326 816571 GL100MN0MP LD101,102,103,104,105,106,107,108,109, 110,111,112,113,114,115,116,117,118, 119,120,121,122,123,124,125,126,201, 202,203,204,205,206,207,208,209,210,...
  • Page 71 Code No. Parts Name Q'ty Parts Number Parts Address 816570 Photo-Transistor PT100MF0MP TR127,128,129,130,131,132,133,134,135, 136,137,138,139,140,141,142,143,144, 145,146,147,148,149,150,151,152,153, 154,227,228,229,230,231,232,233,234, 235,236,237,238,239,240,241,242,243, 244,245,246,247,248,249,250,251,252, 253,254,327,328,329,330,331,332,333, 334,335,336,337,338,339,340,341,342, 343,344,345,346,347,348,349,350,351, 352,353,354 816571 GL100MN0MP LD127,128,129,130,131,132,133,134,135, 136,137,138,139,140,141,142,143,144, 145,146,147,148,149,150,151,152,153, 154,227,228,229,230,231,232,233,234, 235,236,237,238,239,240,241,242,243, 244,245,246,247,248,249,250,251,252, 253,254,327,328,329,330,331,332,333, 334,335,336,337,338,339,340,341,342, 343,344,345,346,347,348,349,350,351, 352,353,354 816579 Diode KDS165U-RTK/P D40,41,42,43,44,45,46,47,48,49,50,51,52, 53,54,55,56,57,58,59,60,61,62,63,64,65, 66,67,68,69,70,71,72,73,74,75,76,77,78, 79,80,81,82 816573 Connector...
  • Page 72 Code No. Parts Name Q'ty Parts Number Parts Address 816571 GL100MN0MP LD155,156,157,158,159,160,161,162, 163,164,165,166,167,168,169,170, 171,172,255,256,257,258,259,260, 261,262,263,264,265,266,267,268, 269,270,271,272,355,356,357,358, 359,360,361,362,363,364,365,366, 367,368,369,370,371,372 816579 Diode KDS165U-RTK/P D83,84,85,86,87,88,89,90,91,92,93,94, 95,96,97,98,99,100,101,102,103,104, 105,106,107,108,109 814085 Connector B4B-PH-SM4-TB(LF)(SN) CN7,9 816575 Connector B16B-PH-SM4-TB(LF)(SN) CN8,10 KKB-037-D RX2-004 815824 TC74VHC238FT 816570 Photo-Transistor PT100MF0MP TR173,174,175,176,177,178,179,180,181, 182,183,184,185,186,187,188,273,274, 275,276,277,278,279,280,281,282,283, 284,285,286,287,288,373,374,375,376,...

  • Page 73: P.w.b

    Erectrical Parts List ATX-f Code No. Parts Name Q'ty Parts Number Remarks 238367 PWB Assy KEP-276(2) 950677 SPEAKER RELAY1 Cable(L) KPBB-0804 950678 SPEAKER RELAY1 Cable(R) KPBB-0805 950679 VH Standard Cable VH-04-0150 AMP POWER Cable 950680 VH Standard Cable VH-05-0200 AMP INPUT Cable 950681 SPEAKER RELAY2 Cable(L) KPBB-0806...
  • Page 74 Erectrical Parts List ATX-f Code No. Parts Name Q'ty Parts Number Remarks 816063 TPA3100D2PHP 812219 NJM4580E 810920 Transistor DTC143EKA-T146 Q2,4 811538 Transistor 2SC3324GRLF T2,3,4,5,6,7,8,9 812527 Transistor 2SC5395-T112-E Q3,5,6 805989 Zener Diode HZS4ALL 816064 Inductor 11RHBP A7503AY-150M L1,2,3,4 816065 Choke coil 964CM-0001=P3 L5,6,7 815731...

  • Page 75: Electrical.drawing

    GP-ATX(-f) Block Diagram (1/1) ■ KEP-326CPU DIGITAL +5V KEYBOARD SENSOR GP-ATX-f only (The sensor used is as follows. ) PEDAL DIGITAL FE126E FlashROM +3.3V REGULATOR μ PC2933AHF KP590-F9FP KEP-276 Aset KKB-036 17.0 RESET Bset KKB-037 BD5245G-TR SDRAM 64Mbit FlashROM(512M)x2 KP588-FFFW KP589-FFFW FE126E TONE GENERATOR...

  • Page 76: Gp-Atx(Ga,Gb).Sp_Set.cable.wireing.specification.(1/1)

    GP-ATX(GA,GB) SP_set Cable Wireing Specification (1/1) ■ – Electrical.Drawing.2 –...

  • Page 77: Gp-Atx(Ga,Gb).Sound.system.assy

    GP-ATX(GA,GB) Sound System Assy Cable Wireing Specification (1/1) ■ – Electrical.Drawing.3 –...

  • Page 78: Gp-Atx(Ga,Gb).Control.box.unit.assy

    GP-ATX(GA,GB) Control Box Unit Assy Cable Wireing Specification (1/1) ■ – Electrical.Drawing.4 –...

  • Page 79: Gp-Atx.ga.kep-326.(1).Circuit.diagram.(1/6)

    ■ GP-ATX GA KEP-326 (1) Circuit Diagram (1/6) – Electrical.Drawing. –...

  • Page 80: Gp-Atx.ga.kep-326.(1).Circuit.diagram.(2/6)

    ■ GP-ATX GA KEP-326 (1) Circuit Diagram (2/6) – Electrical.Drawing.6 –...

  • Page 81: Gp-Atx.ga.kep-326.(1).Circuit.diagram.(3/6)

    GP-ATX GA KEP-326 (1) Circuit Diagram (3/6) ■ – Electrical.Drawing.7 –...

  • Page 82: Gp-Atx.ga.kep-326.(1).Circuit.diagram.(5/6)

    GP-ATX GA KEP-326 (1) Circuit Diagram (4/6) ■ – Electrical.Drawing.8 –...
  • Page 83 ■ GP-ATX GA KEP-326 (1) Circuit Diagram (5/6) – Electrical.Drawing.9 –...
  • Page 84 ■ GP-ATX GA KEP-326 (1) Circuit Diagram (6/6) – Electrical.Drawing.10 –...

  • Page 85: Gp-Atx.ga.kep-267.(2).Circuit.diagram.(1/1)

    ■ GP-ATX GA KEP-267 (2) Circuit Diagram (1/1) – Electrical.Drawing.11 –...

  • Page 86: Gp-Atx.ga.kep-268,274.(1).Circuit.diagram

    GP-ATX GA KEP-268,274 (1) Circuit Diagram ■ – Electrical.Drawing.12 –...
  • Page 87 GP-ATX GA KEP-269,270,271 (1) KEP-269,270,271 (1) Circuit Diagram ■ – Electrical.Drawing.13 –...

  • Page 88: Gp-Atx.ga.kep-271.Circuit.diagram.(1/1)

    GP-ATX GA KEP-271 Circuit Diagram (1/1) ■ – Electrical.Drawing.14 –...

  • Page 89: Gp-Atx.ga.kep-276.(2).Circuit.diagram.(1/2)

    GP-ATX GA KEP-276 (2) Circuit Diagram (1/2) ■ – Electrical.Drawing.1 –...
  • Page 90 GP-ATX GA KEP-276 (2) Circuit Diagram (2/2) ■ – Electrical.Drawing.16 –...

  • Page 91: Gp-Atx.ga.kep-099.(4).Circuit.diagram.(1/1)

    ■ GP-ATX GA KEP-099 (4) Circuit Diagram (1/1) – Electrical.Drawing.17 –...

  • Page 92: Gp-Atx Ga Kkb-036 (1) (A) Circuit Diagram

    ■ GP-ATX GA KKB-036 (1) (A) Circuit Diagram (1/4) – Electrical.Drawing.18 –...

  • Page 93: Gp-Atx Ga Kkb-036 (1) (B) Circuit Diagram

    ■ GP-ATX GA KKB-036 (1) (B) Circuit Diagram (2/4) – Electrical.Drawing.19 –...

  • Page 94: Gp-Atx Ga Kkb-036 (1) (C) Circuit Diagram

    ■ GP-ATX GA KKB-036 (1) (C) Circuit Diagram (3/4) – Electrical.Drawing.20 –...

  • Page 95: Gp-Atx Ga Kkb-036 (1) (D) Circuit Diagram

    ■ GP-ATX GA KKB-036 (1) (D) Circuit Diagram (4/4) – Electrical.Drawing.21 –...
  • Page 96 ■ GP-ATX GB KKB-037 (1) (A) Circuit Diagram (1/4) – Electrical.Drawing.22 –...

  • Page 97: Gp-Atx.gb.kkb-037.(1).(B).Circuit.diagram.(2/4)

    ■ GP-ATX GB KKB-037 (1) (B) Circuit Diagram (2/4) – Electrical.Drawing.23 –...

  • Page 98: Gp-Atx.gb.kkb-037.(1).(C).Circuit.diagram.(3/4)

    ■ GP-ATX GB KKB-037 (1) (C) Circuit Diagram (3/4) – Electrical.Drawing.24 –...

  • Page 99: Gp-Atx.gb.kkb-037.(1).(D).Circuit.diagram.(4/4)

    ■ GP-ATX GB KKB-037 (1) (D) Circuit Diagram (4/4) – Electrical.Drawing.2 –...

  • Page 100: P.w.b..gp-Atx.ga.kkb-036.(1).Assy.specification

    ■ P.W.B. GP-ATX GA KKB-036 (1) Assy Specification U2,5: TC74VHCT86AFT R1,2,3,5,6,7,9,10,11,14,17,19,21,22,24,25,27,28,29,30,32,33,35,36: 391R TR101-188,201-288,301-388: PT100MF0MP U3,6,7,8,9: TC74VHC238FT R4,8,12,13,15,16,18,20,23,26,31,34: 821R LD101-188,201-288,301-388: GL100MN0MP U1,4: TC74VHCT541AFT C1,15,29,30,43,44: 106C D1-132: KDS-165U-RTK/P C2,3,4,5,6,16,17,18,19,20,27,28,31,32,33,34,41,42,45,46,47: 104C RA3-6,9-14: 272Rx4 RA1,2,7,8: 101Rx4 – Electrical.Drawing.26 –...

  • Page 101: P.w.b..gp-Atx.rx2.Kkb-037.(1).Assy.specification

    ■ P.W.B. GP-ATX RX2 KKB-037 (1) Assy Specification U2,5: TC74VHCT86AFT R1,2,3,5,6,7,8,9,10,12,13,16,17,20,21,24,25,27,28,29,30,31,32,33,34,35: 391R TR101-188,201-288,301-388: PT100MF0MP U3,6,7,8,9: TC74VHC238FT R4,11,14,15,18,19,22,23,26: 821R LD101-188,201-288,301-388: GL100MN0MP U1,4: TC74VHCT541AFT C1,15,31,32,45,46: 106C D1-133: KDS-165U-RTK/P C2,3,4,5,6,16,17,18,19,20,29,30,33,34,35,36,43,44,47,48,49: 104C RA3,9,13,14: 272Rx4 C7-14,21-28,37-42,50-55: 104C RA1,2,7,8: 101Rx4 RA4,5,6,10,11,12: 182Rx4 – Electrical.Drawing.27 –...

  • Page 102: P.w.b..gp-Atx.kep-326.(1).Assy.specification.(1/2)

    ■ P.W.B. GP-ATX KEP-326 (1) Assy Specification (1/2) KPBA-071 (1/2) 1 0 2 C 1 0 2 C 1 0 2 C 1 0 2 C 1 0 4 C 1 0 4 C 1 0 4 C 1 0 4 C 1 0 4 C 1 0 4 C 1 0 1 R...

  • Page 103: P.w.b..gp-Atx.kep-326.(1).Assy.specification.(2/2)

    ■ P.W.B. GP-ATX KEP-326 (1) Assy Specification (2/2) KPBA-071 (1/2) 106C B601 104C 104C B601 104C 103R 0 R 0 R B601 102C 0 R 0 R B601 102C B601 104C 104C 104C 103R 106C B601 103R 106C 103R 104C B601 B601 104C...

  • Page 104: P.c.b..gp-Atx.kep-276.(2).Assy.specification.(1/1)

    ■ P.C.B. GP-ATX KEP-276 (2) Assy Specification (1/1) 103R 105C B5P-VH 562R 105C 331R 331R 105C 683C 0R0R 0R0R 683C 10uF 104R /50V 122R 122R 103R 104R 105C 103R 1003R 102C A7503AY A7503AY 103C 153C 105C TPA3100 H601 -150M 153C -150M 224C 224C...

  • Page 105: P.w.b..kep-267.(2).Assembly.specification.(1/1)

    ■ P.W.B. KEP-267 (2) Assembly Specification (1/1) 104C 104C 102C 0R0R 100uF 102C 0R0R /16V 104C H601 0R0R 104C 0R0R H601 222R H601 H601 H601 H601 H601 H601 H601 H601 0R0R H601 H601 H601 8.00 103R 0R0R H601 H601 104C H601 0R0R H601 H601...
  • Page 106 ■ P.W.B. KEP-268,269,270,271,272,273,274,277 (4) Assembly Specification (1/1) U L B O N D ↓ LGP7031-1200C SF5S4 B6B-PH B2B-PH 152R KPFB-0565 DC Jack Fitting 10kB×2 with Switch RUEF400 331R 102C 331R 1SS133 1SS133 102C 5mmJP 5mmJP 473C 5mmJP B11B-PH YKB21-5006 B4P-VH B3P-VH UL BOND 5mmJP...

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