Yamaha DD-55 Digital Percussion Service Manual 电路图.pdf

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1、SERVICE MANUAL HAMAMATSU, JAPAN 1.42K-0.935 K Printed in Japan 2001.05 001660SK CONTENTS SPECIFICATIONS . 3 PANEL LAYOUT. 4 DIMENSION. 5 CIRCUIT BOARD LAYOUT. 6 BLOCK DIAGRAM . 7 DISASSEMBLY PROCEDURE . 8 LSI PIN DISCRIPTION. 10 IC BLOCK DIAGRAM.11 CIRCUIT BOARDS .11 TEST PROGRAM . 16 MIDI IMPREMENT

2、ATION CHART . 20 PARTS LIST OVERALL CIRCUIT DIAGRAM This document is printed on chlorine free (ECF) paper with soy ink. PEDAL 1 PEDAL 2 RadioFans.CN 收音机爱 好者资料库 2 DD-55 IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been a

3、ssumed 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 appropriate service and safety procedures when servicing this product may result in per

4、sonal 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 Yamaha Retailer or the appointed service representative. IMPORTANT:This presenta

5、tion or sale of this manual to any individual or firm does not constitute authoriza- tion, certification, recognition of any applicable technical capabilities, or establish a principal- agent relationship of any form. The data provided is believed to be accurate and applicable to the unit(s) indicat

6、ed on the cover. The research engineering, and service departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefor, inevitable and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exis

7、t, 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 the unit (heavy gauge black wires connect to this bus). IMPORTANT:Turn the unit

8、OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit. WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains LEAD. In addition, other electrical / electronic and / or plastic (where applicable) components may also con

9、tain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause cancer and / or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL / ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER! Avoid prolonged, u

10、nprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder / flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. WARNING Components having special ch

11、aracteristics are marked and must be replaced with parts having specification equal to those originally installed. RadioFans.CN 收音机爱 好者资料库 3 DD-55 SPECIFICATIONS Drum Pads 7 pads (125mm x 4, 88mm x 3), Touch Sensitive Maximum Polyphony 32 Drum Kits 45 Preset +1 Custom Songs 100 Tracks 4 (DRUM 1/DRUM

12、 2/DRUM 3/BACKING) Custom Song 1 Song (approximately 20,000 notes) Voices Drum Voices 192 + GM Voices 128 + Drum Kits 8 Functions Track ON/OFF, TAP START, BREAK, A-B REPEAT,DEMO Panel Controls STANDBY ON / OFF switch, PAD button, KIT button, SONG button, TEMPO button, VOLUME , buttons, HAND PERC but

13、ton, TRACK (DRUM 1 / DRUM 2 /DRUM 3 / BACKING) button, DEMO button, CLICK but-ton, START/STOP button, A-B REPEAT button, BREAK/TAP button, REC button, DIAL LED Display Song / Drum Kit / Tempo etc. Auxiliary jacks DC IN12 V, PHONES / OUTPUT, MIDI IN / OUT, PEDAL 1/2 Oouput Impedance 33 (PHONES / OUTP

14、UT jack) Main Amplifier 5W + 5W (EIAJ) Speaker 8 cm x 2 Power Consumption 16 W (when using PA-5C power adaptor) Power Supply Adaptor:DC12V (Yamaha PA-5C sold separately) Batteries:Six “C” size, R-14(LR14), or equivalent batter-ies (sold separately) Dimensions (WxDxH) 558 x 355 x 174 mm (22” x 14” x

15、6” 7/8) Weight 3.8 kg (8 Ibs. 6 oz) Supplied Accessories Drum Stick x 2, Foot Pedal 1 Loading, 33 ) Level indicator (JIS-C curve; Input impedance, 1M or more; Loading, 33 ; 0dBm: 1mW 600 ) Test jigs: Power adaptor, PA-5C Stick A.Setting Conditions Set the STANDBY/ON switch to ON with the TEMPO and H

16、ANDPERC button pressed and held (Fig. 1). B.Test Entry To scroll the test items, press the VOLUME button for forwards, and the VOLUME for backwards. To start a test, press the START/STOP button. Pressing the START/STOP button again returns to the selected item. If you pass the test and return to the

17、 selected item, a dot appears on the upper left of the LED segment (See Fig.2). If you fail the test, the LED shows “Err” (See Fig.3). To return to the selected item, press the DEMO button. (Note that the START/STOP button is inactive at this time.) *Even if the test has successfully completed, pres

18、sing the DEMO button forces the system back to the Item Selection. *The LED displays, and/or the interactions for OK/NG may be different depending on the test types. For details, see each test item you want to perform. C.Step for NG If the unit could not pass a test press the DEMO button to display

19、the “Test Item Selection” screen. (Note that the START/STOP button is inactive at this time.) 17 DD-55 5.Test Items Test No.LED displayTest function and judgment criteria 1001: VersionDisplays version for ROM. ROM versions are displayed alternately in the LED. Displaying the test result OK, XXX: XX

20、NG: Err 2002: Rom Check 1Checks the ROM. The test result appears on the LED. Displaying the test result OK: PAS NG: Err 3003: Ram Check 1Checks all RAMs which are connected to the CPU. The test result appears on the LED. Displaying the test result OK: PAS NG: Err 11011: TG1 CheckOutput the sine wave

21、 by changing the channels in sequence from C2 to G4. After autoscaling is finished, individual keys can be played. Check to see if there is no abnormal noie or tone. 13013: Pitch CheckChecks the Pitch. Connect the frequency counter to the PHONES/OUTPUT jack. Check that the 440.0 +/-1.76 Hz signal is

22、 output. 14014: Output R CheckConnect the level meter (with a JIS-C filter) to the PHONES/OUTPUT jack. (Load: 33 ohm) PHONES L: Less than -60.0 dBm PHONES R: -11.5 dBm +/-2 15015: Output L CheckConnect the level meter (with a JIS-C filter) to the PHONES/OUTPUT jack. (Load: 33 ohm) PHONES R: Less tha

23、n -60.0 dBm PHONES L: -11.5 dBm +/-2 dB 19019: Noise Level CheckConnect the level meter (with a JIS-C Filter) to the PHONES/OUTPUT jack. (Load: 33 ohm) Phones L/R: Less than -80.0 dBm 20020: Switch and LED CheckCheck switches on the panel and LED. Press the switches which are displayed on the LED. A

24、 pre-assigned note is output when depressing the switch. The test result appears on the LED. (Table 1) Displaying the test result OK: PAS NG: Err 21021: Panel LED CheckChecks the panel LED. As the test is started, all the LEDs go on. 18 DD-55 30030: Pad CheckChecks the PAD. When a pad is tapped, the

25、 LEDs indicate its identification number and tapping power. Displaying the test result Maximum data: 7F Minimum data: 18 31031: Pedal 1 CheckChecks the PEDAL 1. Connect the pedal to the PEDAL 1 jack. When the pedal is stepped on, it sounds in bass drum tones. The LEDs indicate the tapping power. Dis

26、playing the test result Maximum data: 7F Minimum data: 38 32032: Pedal 2 CheckChecks the PEDAL 2. Connect the pedal to the PEDAL 2 jack. Check that the C3 note is output when starting the test program. Check that the C4 note is output when pushing the pedal and that tone is turned off when releasing

27、 the pedal. 20F is displayed and the sound stops. 37037: MIDI CheckChecks the MIDI. After connecting the MIDI IN and MIDI OUT with a MIDI cable, execute the test. Check that the C4 note is output and the test result appears on the LED. Displaying the test result OK: PAS NG: Err 41041: Rom 2 CheckChe

28、cks the ROM. The test result appears on the LED. Displaying the test result OK: PAS NG: Err 42042: Ram 2 CheckChecks the RAM. The test result appears on the LED. Displaying the test result OK: PAS NG: Err 46046: Rom BackupPerforms the RAM back-up check. Check 2After checking that the beginning becom

29、es NG, turn the power switch off. Enter the test program and perform the RAM back-up and check again. Displaying the test result OK: PAS NG: Err -: Factory SetAll RAMs are initialized and set to the factory preset date when executing this test. Set the STANDBY/ON switch to ON with the DEMO button pr

30、essed and held. Turn the power off. 19 DD-55 Table 1. SW test Item NoSWDisplayNoteNoSWDisplayNote 1A-B REPEAT S01 C210HI-HAT S10 A2 2START/STOP S02 C#211BACKING S11 A#2 3REC S03 D212PAD S12 B2 4BRAKE/TAP S04 D#213KIT S13 C3 5DEMO S05 E214SONG S14 C#3 6CLICK S06 F215TEMPO S15 D3 7HAND PERC. S07 F#216

31、VOLUME S16 D#3 8BASS S08 G217VOLUME S17 E3 9SNARE S09 G#218DIAL O* F3 20 DD-55 MIDI IMPREMENTATION CHART YAMAHA DIGITAL PERCUSSION Date:07-FEB-2001 Model DD-55 MIDI Implementation Chart Version : 1.0 TransmittedRecognizedRemarks Function. BasicDefault1O - 161 - 16 ChannelChanged1 - 161 - 16 Default3

32、3 ModeMessagesxx Altered*x Note0 - 12713 - 96 Number : True voice*13 - 96 VelocityNote ONo 9nH,v=1-127o 9nH,v=1-127 Note OFFo 9nH,v=0o 9nH,v=0 AfterKeysxx TouchChsxx Pitch Bendo*3o Progoo 0 - 127 Change : True #* System Exclusiveo*4o*4 : Song Pos.xx Common : Song Sel.xx : Tunexx System :Clockoo Real

33、 Time:Commandsoo*2 Aux :All Sound OFFxo(120) :Reset All Cntrls xo(121) :Local ON/OFFxx :All Notes OFFxx Mes- :Active Senseoo sages:Resetxx Mode 1 : OMNI ON , POLY Mode 2 : OMNI ON ,MONOo : Yes Mode 3 : OMNI OFF, POLY Mode 4 : OMNI OFF,MONOx : No 0,32ooBank Select 1o*3oModulation 6,38o*3oData Entry 7

34、ooVolume 10o*1oPan 11ooExpression Control64o*3oSustain 71o*3oHarmonic Content 72o*3oRelease Time Change73o*3oBrightness 84o*3oPortament Cntrl 91ooReverb Depth 93o*3oChorus Depth 94o*3oVariation Depth 96,97o*3oData Inc,Dec 100,101o*3oRPN LSB,MSB DD-55 1 PARTS LIST Note) DESTINATION ABBREVIATIONS A:Au

35、stralian modelM:South African model B:British modelO:Chinese model C:Canadian modelQ:South-east Asia model D:German modelT:Taiwan model E:European modelU:U.S.A. model F:French modelV:General export model (110V) H:North European modelW:General export model (220V) I:Indonesian modelN,X: General export

36、 model J:Japanese modelY:Export model WARNING Components having special characteristics are marked and must be replaced with parts having specifications equal to those originally installed. CONTENTS OVERALL ASSEMBLY.2 ELECTRICAL PARTS .4 The numbers in “QTY” shows quantities for each unit. The parts

37、 with “-” in “Part No.” are not available as spare parts. The second letter of the shaded () part number is I, not one. The second letter of the shaded () part number is O, not zero. DD-55 2 OVERALL ASSEMBLY S10 S20 S30 S40 S50 U30 P10 P20 P30 P40 P50 U20 A B C D E F H H I I G 10 20 50 60 80 30 100

38、100 160 U100 U130 U135 U135 U110 U220 L110 L100 L100 U200 U210 U140 U10 L10 L50 L30 L40 L60 L80 L80 L70 L90 L90 L20 L20 U40 U95 U50 U80 U70 U60 U90 U10a U10b U10c Upper Case Assembly Lower Case Assembly ACCESSORIES: Stick DD-55 3 REF NO.PART NO.DESCRIPTIONREMARKSQTYRANK RANK: Japan only*New parts *

39、* * * * * * * * * * * * * * * * * * * * * * * 10 20 30 50 60 80 100 160 U10 U10a U10b U10c U20 U30 U40 U50 U60 U70 U80 U90 U95 U100 U110 U130 U135 U140 U200 U210 U220 L10 L20 L30 L40 L50 L60 L70 L80 L90 L100 L110 P10 P20 P30 P40 P50 S10 S20 S30 S40 S50 - - V7404600 V7406300 V7404700 VL921100 VQ07460

40、0 VA126100 - VU487100 V7710300 V7710400 - V7405900 - - - V7406800 V7406900 - V7319200 V7319300 V7319400 V7385600 V7406100 - VF073800 BB005650 EP600250 EP640410 - V7077900 XY639A00 - V7404600 - V7060200 V7060500 V7060700 CB043750 - - - - - - V7406800 - VJ067700 V7407000 VU641800 VV019900 V7406900 - V

41、J067700 V7407000 VS416800 VV019900 OVERALL ASSEMBLY Overall Assembly Upper Case Assembly Bottom Case Assembly Battery Cover Assembly Knob Knob, Encoder Black Bind Head Tapping Screw-B Adhesive Tape Connector Assembly ACCESSORIES Stick Pedal Pedal Upper Case Assembly Upper Case Sub Assembly Speaker C

42、loth Port Cloth Cushion Pad-L Assembly Pad-S Assembly Cushion PN Switch PN Switch PN Switch PN Switch Lens, LED Dust Proof Cloth Slider Brush Bind Head Tapping Screw-B Bind Head Tapping Screw-B Adhesive Tape Circuit Board Speaker Connector Assembly Bottom Case Assembly Bottom Case Spring Terminal Co

43、ntact Spring + Contact Spring - Foot Cushion Cushion Cushion Cushion Dust Proof Cloth Dust Proof Cloth Pad-L Assembly Pad Rubber Adhesive Tape Piezo Electricity Pickup Adhesive Tape Vibration-proof Tape Pad-S Assembly Pad Rubber Adhesive Tape Piezo Electricity Pickup Adhesive Tape Vibration-proof Ta

44、pe FE 3.0X12 MFZN2BL 12X50 2P SWITCH PIEZZO 125X10XT1 Y2718 30X30XT1 VOLUME DEOMO/CLICK PART MUTE START 55X6XT0.35 LC YCUT-MEH 3.0X8 MFZN2Y 4.0X8 MFZN2Y 12X50 DD 8.0cm 4 ohm 4 W 4P 430,180 BLACK T1.6 360X10XT1 450X10XT1 125X10XT1 40X20XT1 40X13X0.5 13X13X0.5 30 EFBS46C43DA1 D-300 25X150X2 ECS Y2718

45、30 EFBS46C43DA1 12X25 25X150X2 ECS DD55 J,U,W,C(V740240) (V740450) (V739570) (V740450) (V740710) (V740720) (V741840) (V741810) (V771120) (VA12610) (V739580) (V740620) (V741920) (V741910) (V741840) (V741930) (V771130) (V771140) (VU48660) (VR79800) 16 3 2 2 2 2 4 3 7 2 18 8 5 2 5 4 2 2 2 6 03 01 03 05

46、 10 10 01 02 01 01 03 07 01 03 01 03 01 REF NO.PART NO.DESCRIPTIONREMARKSQTYRANK DD-55 4 RANK: Japan only*New parts * * C0101 C0102 C0103 C0111 C0112 C0113 C0114 C0115 C0121 C0122 C0123 C0124 C0125 C0131 C0132 C0151 C0152 C0191 C0192 C0210 C0310 C0320 C0321 C0401 C0402 C0461 C0462 C0500 C0501 C0502 C050