Yamaha P-85_P-85S 电路图.pdf

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1、SERVICE MANUAL HAMAMATSU, JAPAN SERVICE MANUAL Copyright (c) Yamaha Corporation. All rights reserved. PDF & 07.10 SPECIFICATIONS（総合仕様） .3 PANEL LAYOUT（） .4 CIRCUIT BOARD LAYOUT（） .5 DISASSEMBLY PROCEDURE（分解手順） .6 LSI PIN DESCRIPTION（LSI 端子機能表） .19 IC BLOCK DIAGRAM（IC 図） .21 CIRCUIT BOARDS（基板図） .22 T

2、EST PROGRAM（） .31/35 DATA BACKUP（） .39/43 MIDI IMPLEMENTATION CHART .47 MIDI DATA FORMAT .48 PARTS LIST BLOCK DIAGRAM（） CIRCUIT DIAGRAM（回路図） CONTENTS（目次） P-85 P-85S CL001792 P-85: 200710 P-85S: 200710 RadioFans.CN 收音机爱 好者资料库 P-85/P-85S 2 WARNING IMPORTANT NOTICE This manual has been provided for the

3、 use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and have therefore not been restated. WARNING : Failure to follow appropr

4、iate service and safety procedures when servicing this product may result in personal injury, destruction of expensive components and failure of the product to perform as specified. For these reasons, we advise all Yamaha product owners that all service required should be performed by an authorized

5、Yamaha Retailer or the appointed service representative. IMPORTANT : This presentation or sale of this manual to any individual or firm does not constitute authorization certification, recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form. The

6、data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and service departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in specification are subject to change w

7、ithout notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING : Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground bus in

8、the unit (heavy gauge black wires connect to this bus.) IMPORTANT : Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit. Components having special characteristics are marked and must be replaced with parts having specifi cation equal to tho

9、se originally installed. IMPORTANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord IMPORTANT. The wires in this mains lead are coloured in accordance with the following code: BLUE : NEUTRAL BROWN : LIVE As the colours of the wires in the mains lead of this apparatus may not correspond wit

10、h the coloured makings identifying the terminals in your plug proceed as follows: The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK. The wire which is coloured BROWN must be connected to the terminal which is marked with the letter

11、L or coloured RED. Making sure that neither core is connected to the earth terminal of the three pin plug. This applies only to products distributed by Yamaha-Kemble Music (U.K.) Ltd. (2 wires) WARNING: This product contains chemicals known to the State of California to cause cancer, or birth defect

12、s or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER! Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/ flux vapor! If you come in

13、 contact with solder or components located inside the enclosure of this product, wash your hands before handling food. 印部品、安全維持重要部品。交換場合、安全必指定部品使用。 RadioFans.CN 收音机爱 好者资料库 3 P-85/P-85S SPECIFICATIONS Keyboard88 keys (A-1C7) Sound SourceAWM Stereo Sampling Polyphony (Max.)64 Voice Selection10 EffectR

14、everb VolumeMaster Volume ControlsDual, Metronome, Transpose, Tuning, Touch (Hard/Medium/Soft/Fixed) PedalSUSTAIN PEDAL* Demo Songs10 Voice Demo Songs, 50 Piano Preset Songs Recording/Playback1-track recording/playback (1 user song) MIDILocal On/Off, Transmit/Recieve channel, Program change On/Off,

15、Control change On/Off Jacks/ConnectorsMIDI (IN/OUT), PHONES, DC IN 12V, SUSTAIN, PEDAL UNIT Main Amplifi ers6 W + 6 W Speakers(12 cm 6 cm) 2 Dimensions (W D H)1,326mm 295mm 151.5mm 52-3/16 11-5/8 5-15/16 Weight11.6 kg (25 lbs., 9 oz.) Power SupplyAdaptor: PA-5D, PA-150, or an equivalent recommended

16、by Yamaha Power Consumption20 W AccessoriesOwners Manual, Quick Operation Guide, AC Power Adaptor, Pedal (FC5), Music Rest When an optional FC3 Foot Pedal or an optional LP-5 Pedal Unit is connected, the half pedal effect can be used. Specifi cations and descriptions in this owners manual are for in

17、formation purposes only. Yamaha Corp. reserves the right to change or modify products or specifi cations at any time without prior notice. Since specifi cations, equipment or options may not be the same in every locale, please check with your Yamaha dealer. 鍵盤88鍵（A-1 C7） 音源AWM 最大同時発音数64 音色数10 効果 、 （

18、、） （対応）*、*、* 各音色曲、50曲（） 1録音/再生（1曲） MIDI /、送受信設定、/、 送受信/ 付属端子MIDI端子（IN/OUT）、PHONES端子、SUSTAIN端子、PEDAL UNIT端子、DC IN12V端子 6W6W 楕円（12cm6cm）2 電源電源：PA-5D 消費電力28W 寸法 間口奥行高1,326mm 295mm151.5mm 質量11.6kg 付属品 保証書、取扱説明書、弾名曲50選（楽譜集）、 、電源 PA-5D、FC5、譜面立 仕様外観、改良予告変更。 * 別売FC3/LP-5接続時、対応。 * 別売LP-5接続時、機能使用。 総合仕様 RadioF

19、ans.CN 收音机爱 好者资料库 P-85/P-85S 4 PANEL LAYOUT（） q STANDBY/ON switch w MASTER VOLUME slider e DEMO/SONG button r SELECT /TEMPO buttons t METRONOME button y REC button u PLAY button i VOICE buttons o PEDAL UNIT jack !0 DC IN 12V jack !1 MIDI IN OUT terminals !2 SUSTAIN jack !3 PHONES jack ? ? ? ? ? ? ?

20、（左記 裏面見 。） Shows the jacks and terminals as seen when viewed from the rear of the instrument. （左記 裏面見 。） Shows the jacks and terminals as seen when viewed from the rear of the instrument. q STANDBY/ON w MASTER VOLUME e DEMO/SONG r SELECT / TEMPO t METRONOME y REC u PLAY 端子 i 音色 o PEDAL UNIT 端子 !0 DC

21、 IN 12V 端子 !1 MIDI IN OUT 端子 !2 SUSTAIN 端子 !3 PHONES 端子 5 P-85/P-85S CIRCUIT BOARD LAYOUT（） （鍵盤 Ass y） Upper case assembly （上 Ass y） Lower case assembly （下 Ass y） Keyboard assembly Speaker L （ L） Speaker R （ R） DM JK HP AM PN1PN2 GHL88HGHL88MGHL88L P-85/P-85S 6 Fig. 1 （図 1） 33: Bind Head Tapping Scr

22、ew-B（BBIND）4.0X16 MFZN2W3 (WF154100) 34: Bind Head Tapping Screw-B（BBIND）4.0X16 MFZN2B3 (WE998400) 37: Bind Head Tapping Screw-B（BBIND）3.0X8 MFZN2B3 (WE774400) DM CN301CN602CN301CN602 33 3433 33 33 33 33 33 3333 333333333337FFC Cover （FFC ） Lower case assembly （下 Ass y） 3333333333 Photo 2 （写真 2） DIS

23、ASSEMBLY PROCEDURE（分解手順） 1. Lower Case Assembly (Time required: About 10 minutes) 1-1 Remove the four (4) screws marked 37. The FFC cover can then be removed. (Fig. 1) 1-2 Disconnect the connectors CN301 and CN602 on the DM circuit board. (Photo 2) 1-3 Remove the fifty-seven (57) screws marked 33 an

24、d the screw marked 34. The lower case assembly can then be removed. (Fig. 1) 1. 下 Assy（所要時間：約 10 分） 1-1 37 4 本外、FFC 外。 （図 1） 1-2 DM CN301 CN602 外 。 （写真 2） 1-3 33 57 本 34 1 本外、 下 Ass y 外。 （図 1） Caution: 1. Be sure to attach the removed fi lament tape just as it was before removal. 2. Pay attention no

25、t to insert and install the cable to the connector inversely. (Photo 1) 注意事項 1. 、取外前同取 付。 2. 表裏逆差込 注意取付。 （写真 1） Front Side (Printed Side) 表面（印刷面） Back Side 裏面 Photo 1 （写真 1） 7 P-85/P-85S DM JK HP AM 30A30B32 30B32 30B 36 30A 30C30C Lower case assembly （下 Ass y） Speaker L （ L） Speaker R （ R） 30D30D F

26、ig. 2 （図 2） 30: Bind Head Tapping Screw-B（BBIND）3.0X8 MFZN2W3 (WE774300) 32: Bind Head Tapping Screw-B（BBIND）4.0X10 MFZN2W3 (WE974500) 2. DM Circuit Board (Time required: About 11 minutes) 2-1 Remove the lower case assembly. (See procedure 1.) 2-2 Remove the four (4) screws marked 30A. The DM circui

27、t board can then be removed. (Fig. 2) 3. AM Circuit Board (Time required: About 12 minutes) 3-1 Remove the lower case assembly. (See procedure 1.) 3-2 Remove the eleven (11) screws marked 30B and the screw marked 36. The AM circuit board can then be removed. (Fig. 2) 4. JK Circuit Board (Time requir

28、ed: About 11 minutes) 4-1 Remove the lower case assembly. (See procedure 1.) 4-2 Remove the four (4) screws marked 30C. The JK circuit board can then be removed. (Fig. 2) 5. HP Circuit Board (Time required: About 11 minutes) 5-1 Remove the lower case assembly. (See procedure 1.) 5-2 Remove the four

29、(4) screws marked 30D. The HP circuit board can then be removed. (Fig. 2) 6. Speaker (Time required: About 11 minutes) 6-1 Remove the lower case assembly. (See procedure 1.) 6-2 Remove the four (4) screws marked 32. The speaker can then be removed. (Fig. 2) * The right and left speakers can be remov

30、ed in the same way. 2. DM （所要時間：11 分） 2-1 下 Ass y 外。 （1 項参照） 2-2 30A 4 本外、DM 外。 （図 2） 3. AM （所要時間：12 分） 3-1 下 Ass y 外。 （1 項参照） 3-2 30B 11 本 36 1 本外、AM 外。 （図 2） 4. JK （所要時間：11 分） 4-1 下 Ass y 外。 （1 項参照） 4-2 30C 4 本外、JK 外。 （図 2） 5. HP （所要時間：11 分） 5-1 下 Ass y 外。 （1 項参照） 5-2 30D 4 本外、HP 外。 （図 2） 6. （所要時間

31、：11 分） 6-1 下 Ass y 外。 （1 項参照） 6-2 324本外、 外。（図2） 左右、同方法外 。 P-85/P-85S 8 Upper case assembly 30E （上 Ass y） Keyboard assembly （鍵盤 Ass y） 313131 30E 30E Fig. 3 （図 3） 30: Bind Head Tapping Screw-B（BBIND）3.0X8 MFZN2W3 (WE774300) 31: Bind Head Tapping Screw-B（BBIND）3.0X25 MFZN2W3 (WF473400) 8. PN1 （所要時間：14

32、 分） 8-1 面、紐状 外。 （図 4） 8-2 下 Ass y 外。 （1 項参照） 8-3 鍵盤 Ass y 外。 （7 項参照） 8-4 30F 8 本外、PN1 外。 （図 5） Slide knob（） Slide knob（） Fig. 4 （図 4） 8. PN1 Circuit Board (Time required: About 14 minutes) 8-1 Tie a string or the like to the slide knob and pull the string to remove the slide knob from the control pa

33、nel side. (Fig. 4) 8-2 Remove the lower case assembly. (See procedure 1.) 8-3 Remove the keyboard assembly. (See procedure 7.) 8-4 Remove the eight (8) screws marked 30F. The PN1 circuit board can then be removed. (Fig. 5) 7. Keyboard Assembly (Time required: About 13 minutes) 7-1 Remove the lower c

34、ase assembly. (See procedure 1.) 7-2 Remove the eight (8) screws marked 30E and eight (8) screws marked 31. The keyboard assembly can then be removed. (Fig. 3) 7. 鍵盤 Ass y（所要時間：13 分） 7-1 下 Ass y 外。 （1 項参照） 7-2 30E 8 本 31 8 本外、鍵盤 Ass y 外。 （図 3） 9 P-85/P-85S 9. PN2 （所要時間：14 分） 9-1 下 Ass y 外。 （1 項参照） 9

35、-2 鍵盤 Ass y 外。 （7 項参照） 9-3 30G 10 本外、 PN2 外。 （図 5） 10. SP （所要時間：14 分） 10-1 下 Ass y 外。 （1 項参照） 10-2 鍵盤 Ass y 外。 （7 項参照） 10-3 A 6 箇所上 Ass y 溝平 行。 （図 5） 10-4 SP 外。 左右 SP 、同方法外 。 PN1PN2 AAAA 30G 30F30F30G30G Upper case assembly （上 Ass y） Speaker grille （SP ） Speaker grille （SP ） Fig. 5 （図 5） 30: Bind He

36、ad Tapping Screw-B（BBIND）3.0X8 MFZN2W3 (WE774300) 9. PN2 Circuit Board (Time required: About 14 minutes) 9-1 Remove the lower case assembly. (See procedure 1.) 9-2 Remove the keyboard assembly. (See procedure 7.) 9-3 Remove the ten (10) screws marked 30G. The PN2 circuit board can then be removed. (

37、Fig. 5) 10. Speaker Grille (Time required: About 14 minutes) 10-1 Remove the lower case assembly. (See procedure 1.) 10-2 Remove the keyboard assembly. (See procedure 7.) 10-3 Set the six (6) hooks A parallel to the groove in the upper case assembly. (Fig. 5) 10-4 Remove the speaker grille. * The ri

38、ght and left speaker grilles can be removed in the same way. P-85/P-85S 10 11. Ass y、PEDAL （所要時間：4 分） 11-1 PK PEDAL UNIT 端子外。 （図 6） 11-2 前脚浮後側 傾、 Ass y 外。 （図 7） Ass y 、框 Ass y 中央窪 込。 PK cable （PK） Cord clamper （NK） Fig. 6 （図 6） 11-3 Ass y 逆、150 3 本外 、蓋金具外。 （図 8） 11-4 160A 8 本外、上外 。 （図 8） 11-5 160B 6

39、 本外、 Ass y 外。 （図 9） Pedal assembly （ Ass y） Keyboard stand （） Pedal board assembly （框 Ass y） Fig. 7 （図 7） Plate （蓋金具） Upper pedal case （上） Pedal assembly （ Ass y） 160A 150 Fig. 8 （図 8） 150: Flat Head Tapping Screw-B（BFLAT）3.0X8 MFZN2W3 (WF026000) 160: Bind Head Tapping Screw-B（BBIND）4.0X25 MFZN2W3 (

40、WK720200) 11. Pedal Assembly, PEDAL Circuit Board (Time required: About 4 minutes) 11-1 Disconnect the PK cable from the PEDAL UNIT jack. (Fig. 6) 11-2 Tilt the keyboard stand backward to lift the forward bottom portions and remove the pedal assembly. (Fig. 7) * The pedal assembly is just fi t into

41、the concave portion in the middle of the pedal board assembly. 11-3 Place the pedal assembly upside down, remove the three (3) screws marked 150 to remove the pedal plate. (Fig. 8) 11-4 Remove the eight (8) screws marked 160A. The upper pedal case can then be removed. (Fig. 8) 11-5 Remove the six (6

42、) screws marked 160B. The stopper stay assembly can then be removed. (Fig. 9) 11 P-85/P-85S 11-6 本体（3 所）回転、 下外。 （図 10） 11-7 90 6 本外、PEDAL 外 。 （図 11） Stopper stay assembly （ Ass y） 160B Pedal piece （本体） Lower pedal case （下） PEDAL Lower pedal case （下） 90 Fig. 9 （図 9） 160: Bind Head Tapping Screw-B（BBI

43、ND）4.0X25 MFZN2W3 (WK720200) Fig. 10 （図 10） Fig. 11 （図 11） 90: Bind Head Tapping Screw-B（BBIND）3.0X8 MFZN2W3 (WE774300) 11-6 Rotate and remove the three (3) pedal pieces from the lower pedal case. (Fig. 10) 11-7 Remove the six (6) screws marked 90. The PEDAL circuit board can then be removed. (Fig.

44、11) P-85/P-85S 12 270B A-1 Key （A-1鍵） B-1 Key （B-1鍵） One octave （1） (C0B0) 270A270A270A270A270A270A270A270C C7 Key （C7鍵） One octave （1） (C1B1) One octave （1） (C2B2) One octave （1） (C3B3) One octave （1） (C4B4) One octave （1） (C5B5) One octave （1） (C6B6) Keyboard assembly Fig. 12 （図 12） 270: Bind Head

45、 Tapping Screw-P（PBIND）3.0X16 MFZN2W3 (WF973000) Grease （） Rubber contact （接点） GHL88M End lug of white key （白鍵爪） Fig. 13 （図 13） Actuate rubber （駆動） Remove in this way. （取出） Fig. 14 （図 14） 12. Disassembling the Keyboard Assembly 12-1 White key assembly and black key assembly Remove the four (4) screw

46、s marked 270A fi xing the black and white key assembly for one octave (CB). To remove the back of the black and white key assembly of each octave, while pushing the end lug of white keys rearward and lifting the back of keys, slide the black and white key assembly towards you. (Fig.12, Fig.13) 12-2

47、When removing white keys numbered as A-1 and B-1 key and black key, remove two (2) screws marked 270B and then lift the back of the keys and slide the black and white keys towards you. (Fig. 12) 12-3 When removing the C7 key, remove a screw marked 270C and then lift the back of C7 key and slide it t

48、owards you. (Fig. 12) Note: When removing white key assembly and black key assembly, be careful not to allow grease to attach to the circuit board and rubber contacts, etc. (Fig. 13) 12-4 Actuate Rubber Remove the actuate rubber. (Fig. 14) 12. GHL （GHS） 鍵盤Ass y分解 12-1 白鍵Ass y、黒鍵Ass y 各 （C B）白鍵Ass y黒鍵Ass y 止270A4本外、白鍵 後方押1分白鍵Ass y黒 鍵Ass y外。、白鍵Ass y黒鍵 Ass y後部持上、手前 取外。 （図12、図13） 12-2