Yamaha DTXPRESS Service Manual Download Page 25 | Manualshive

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DTXPRESS

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Summary of Contents for DTXPRESS

Page 1: ...M 7 DISASSEMBLY PROCEDURE 8 LSI PIN DESCRIPTION 10 IC BLOCK DIAGRAM 11 CIRCUIT BOARDS 12 TEST PROGRAM 16 22 MIDI DATA FORMAT 30 32 ERROR MESSAGES 34 35 MIDI IMPLEMENTATION CHART 36 PARTS LIST 11 25K 058 Printed in Japan 99 5 DRUM TRIGGER MODULE SERVICE MANUAL ED 011469 19990601 48000 ...

Page 2: ...ces 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 SOEVER Avoid prolonged unprotected contact between solder and your skin When soldering do not inhale solder fumes or expose eyes to solder flux...

Page 3: ...bs MASTER VOLUME POWER SW push ACCOMP VOLUME AUX VOLUME CLICK VOLUME Display 16 x 2 LCD display w Back light Connections Front Panel Aux input stereo mini jack Head phone stereo phone jack Rear Panel MIDI input output Foot controller stereo phone jack HOST SELECT SW TO HOST mini DIN jack Output L MONO mono phone jack Output R mono phone jack Trigger Inputs 1 8 stereo phone jackmL trigger input R r...

Page 4: ...4 DTXPRESS ...

Page 5: ... 19 3 5 8 6 2 1 10 4 9 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 1 2 3 4 5 6 7 8 9 10 AUX IN Jack AUX IN Volume AUX IN VOL Head Phone Jack PHONES Power Switch Master Volume POWER VOL Click Volume CLICK VOL Accompaniment Volume ACCOMP VOL LCD Display Play Button PLAY Utility Button UTIL Click Button CLICK Trigger Button TRIG Voice Button VOICE Song Button SONG Start Stop Button START S Save...

Page 6: ...6 DTXPRESS CN201 CN202 CN203 CN204 JK MD CIRCUIT BOARD LAYOUT Chassis Unit Front Panel LCD PN AUX ...

Page 7: ...14 14 2 1 3 IC14 10 3 6 11 13 30 24 32 29 22 90 132 CS2 88 46 15 3 4 2 3 1 5 7 3 1 5 7 3 1 5 7 3 1 5 7 VR101 5 IC101 1 2 7 6 11 6 15 158 14 159 16 163 164 16P IC7 20 152 1 153 22 21 154 PRD TXD0 RXD0 TXD1 RXD1 PDT10 PDT8 REPRESH SMA21 PDT9 SMA23 131 95 74 41 73 SMA22 19 13 3 9 10 13 9 10 11 15 130 15 14 17 16 72 45 CS4 PORTC6 PORTC1 168P CN3 CN203 CN204 CN502 CN2 CN 102 CN501 CN 202 CN1 POWER SWIT...

Page 8: ...ight 8 screws marked C3 and the two 2 screws marked C4 The DM circuit board assembly can then be removed Fig 4 5 LCD Circuit Board Assembly 5 1 Remove the top cover See Procedure 1 5 2 Remove the front panel unit See Procedure 2 5 3 Remove the four 4 screws marked 4 The LCD circuit board assembly can then be removed Fig 5 6 AUX Circuit Board Assembly 6 1 Remove the top cover See Procedure 1 6 2 Re...

Page 9: ...pping Screw P 2 6X8 MFZN2Y EP620100 5c Bind Head Tapping Screw B 3 0X6 MFZN2BL EP600230 6 Bind Head Tapping Screw B 2 6X8 MFZN2Y EP620100 9 Bind Head Tapping Screw P 2 6X8 MFZN2BL EP620100 4 x4 6 x2 5c 9B x3 9A x2 Panel stay PN LCD AUX Stay A B ...

Page 10: ...85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 CMA3 CMA8 CMA2 CRD CMA1 CUB VCC91 GHND92 CS1 CMA0 CLB CMA12 CMA11 CMA10 CMA9 GN...

Page 11: ...r Supply Circuit S Q R 100 SBD 2 65V 2 37V 500 V IN V IN V OUT V OUT 3µA V th 3V V th 1 5V R CN 0 5 D OUTPUT D INPUT C OUTPUT B INPUT A OUTPUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C INPUT B INPUT A INPUT A INPUT D INPUT C INPUT B OUTPUT NJM2902M T1 XR562A00 Quad Operational Amplifier AUX IC203 to 207 NJM4556AMT1 XQ138A00 Dual Operational Amplifier DM IC108 SN75C1168NSR XU073A00 Line Driver DM IC10 TC7...

Page 12: ...SS HOST SELECT DM ENA V355530 TO HOST 9 10 L MONO ACCOMP VOL DC IN 12V R HI HAT CONTROL OUT IN MIDI CIRCUIT BOARDS DM Circuit Board Components side OUTPUT POWER VOL PHONES to PN CN401 to JK CN202 to LCD UNIT to JK CN203 ...

Page 13: ...DTXPRESS 13 DTXPRESS DM ENA V355530 DM Circuit Board Pattern side ...

Page 14: ...I HAT to DM CN4 JK PN ENA V374810 JK Circuit Board Components side Pattern side Components side PN Circuit Board 7 CRASH 6 RIDE 5 TOM3 4 TOM2 3 TOM1 2 SNARE 1 KICK INPUT ATTENUATION to AUX CN502 to DM CN2 to DM CN1 to DM CN101 ...

Page 15: ...DTXPRESS 15 DTXPRESS to DM CN102 to JK CN204 JK AUX ENA V374810 JK Circuit Board Components side Pattern side Pattern side AUX Circuit Board AUX IN VOL CLICK VOL AUX IN ...

Page 16: ...imum Measurement Measurement Measurement Measurement Measurement Measurement Measurement Listening Test No Items Judgment Criteria TEST PROGRAM A How to enter the Program While pressing the PLAY and START S buttons turn the power switch on When the test program is initiated the Program ROM version will appear on the LCD display XX TEST MODE Ver Note The Ver means the program ROM version A few seco...

Page 17: ...y NG 07 CLICK VOL Test End OK It proceeds to the next test automatically If an error is detected during the test refer to section B PROCEEDING THROUGH THE TEST T 08 ACCOMP VOL Initial Display 08 ACCOMP VOL XX Checks that the ACCOMP volume knob operates normally The numbers 00 to 99 will be indicated on the MEASURE INPUT part the LCD when turning the ACCOMP volume from minimum to maximum position o...

Page 18: ... IN02 insert the appropriate end of the stereo cable into the relevant jack e g 2 SNARE Repeat this process for all remaining switches Result Screens OK It proceds to the next test automatically NG 12 ATT SW IN01 FAIL Test End OK It proceeds to the next test automatically If an error is detected during the test refer to section B PROCEEDING THROUGH THE TEST T 18 TRIGGER IN 01 1 KICK T 19 TRIGGER I...

Page 19: ...T switch to match the display Result Screens OK It proceeds to the next test automatically NG 36 HOST SELECT FAIL Test End OK It proceeds to the next test automatically If an error is detected during the test refer to section B PROCEEDING THROUGH THE TEST T 37 H H CONT Initial Display 37 H H CONT Insert the H H CONTROL plug and turn the potentiometer from maximum to minimum position Result Screens...

Page 20: ... less than 90 dBm Check points OUTPUT L MONO 10 kHz 3 Hz sine wave 3 0 2 dBm 10 kohm lord and distortion is less than 0 3 Test End OK It proceeds to the next test automatically T 41 OUTPUT R 10kHz Initial Display 41 OUTPUT R 10kHz This test checks the OUTPUT R for the specified signal output level Insert the plugs into the OUTPUT L MONO and R Set the MASTER volume to maximum and AUX IN volume to m...

Page 21: ...2 dBm 10 kohm lord and distortion is less than 0 3 Apply a 2dBm sine wave 10 kHz 1 kHz and 50 Hz to the AUX IN R AUX IN L should be shorted to ground Set the AUX IN volume to maximum Test End OK It proceeds to the next test automatically T 45 32ch OUT Initial Display 45 32 ch OUT Checks that the correct sine wave signals are output from the unit The signal from channels 1 to 16 is output from the ...

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Page 30: ...00 02 coarse tuning Receive only 7F 7F NULL Receive only 1 3 Channel Mode Message All channel mode messages are received only 1 3 1 all sound off No 120 Mutes all the sounds currently playing through the specified channel 1 3 2 reset all controllers No 121 Sets the following controller values back to its initial value pitch bend modulation expression hold1 portament control RPN number 1 3 3 all no...

Page 31: ...map F0 43 7D 0n ss ss 44 54 58 4C DTXL 55 4D 41 50 UMAP 00 00 7F 7F data csum F7 2 2 3 drumkit F0 43 7D 0n ss ss 44 54 58 4C DTXL 44 4B 49 54 DKIT 00 00 jj jj data csum F7 jj jj Indicated by MS7bit LS7bit This number derived from the user drum kit number by counting from 0 In the case of the edit buffer it is 7F 7F 3FFF 2 2 4 trigger F0 43 7D 0n ss ss 44 54 58 4C DTXL 54 52 49 47 TRIG 00 00 jj jj ...

Page 32: ...32 DTXPRESS ...

Page 33: ...DTXPRESS 33 ...

Page 34: ...ted An error occurred while data was being received There may be abnormalities in the data being sent Check the data being transmitted This message is displayed when you try to edit preset song Preset song cannot be edited The operation can t be performed while the sequencer is running Stop the sequencer and try again This message appears if you try to record to a track containing data Select an e...

Page 35: ...DTXPRESS 35 ...

Page 36: ...g Sel x o Common Tune x x System Exclusive o o Prog o 0 127 o 0 127 Change True 0 4 7 10 32 o o 1 6 11 64 x o 71 72 73 x o 74 84 91 x o 100 101 x o Control Change Pitch Bender x o 7 bit resolution After Key s x x Touch Ch s x x Velocity Note ON o 9nH v 1 127 o v 1 127 Note OFF x 9nH v 0 x Note 0 127 0 127 Number True voice 0 127 0 127 Default x 3 Mode Messages x 3 Altered x Basic Default 1 16 1 16...

Page 37: ...odel C Canadian model E European model H North European model I Indonesian model WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed The numbers in QTY shows quantities for each unit The parts with in Parts No are not available as spare parts The mark in the remarks column indicates that these parts a...

Page 38: ...2 DTXPRESS OVERALL ASSEMBLY 50 40 50 C6 C5 C7 C6 C7 C5a C5c C5b C5d C5e 10d 10 C3 C2 C2e C2c C2a C2b C2d 60 30 20 70 10 C1b C1a C1b C1 10a 10 10c 10b 10 C4 10 10c x8 x4 ...

Page 39: ...ssembly Chassis Foot Circuit Board Assembly Circuit Board Stay Heat Sink Pan Head Screw Pan Head Screw Bind Head Tapping Screw B Bind Head Tapping Screw B Circuit Board Assembly Circuit Board Connector Assembly Connector Assembly Connector Assembly Connector assembly Bind Head Tapping Screw B Shield terminal Assembly ACCESSORY AC Adapter AC Adapter AC Adapter 3 0X6 MFZN2BL BK 1 3 0X8 MFZN2BL 3 0X6...

Page 40: ...ircuit Board Assembly Cover Bind Head Tapping Screw P Circuit Board Assembly Circuit Board Stay Bind Head Tapping Screw B Connector Assembly Bind Head Tapping Screw P Circuit Board Assembly Circuit Board OP Button Mode Button Panel Stay Bind Head Tapping Screw P LCD LCD 2 6X8 MFZN2Y AUX AUX 3 0X6 MFZN2BL PH PH 6P 80L 2 6X8 MFZN2Y PN PN TG100 CBX T3 PH PH 16P 90L 2 6X8 MFZN2Y DTXPRESS V360700 V3605...

Page 41: ...amic Cap Monolithic Ceramic Cap Electrolytic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Electrolytic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Electrolytic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Electrolytic Cap Monolithic Ceramic Cap Electrolytic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Electrolytic Cap Monolithic Ceramic Cap Monolithic Ce...

Page 42: ...p Electrolytic Cap Electrolytic Cap Electrolytic Cap Electrolytic Cap Electrolytic Cap Electrolytic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Electrolytic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Electrolytic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Connector Base Post Connector Base Post Connector Base ...

Page 43: ...hip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor ch...

Page 44: ...hip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Flame Proof C Resistor Carbon Resistor chip Carbon Resistor chip Carbon Resistor ...

Page 45: ...ic Cap chip Electrolytic Cap chip Electrolytic Cap chip Monolithic Ceramic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Electrolytic Cap chip Electrolytic Cap chip Monolithic Ceramic Cap Monolithic Ceramic Cap Monolithic Ceramic Cap Connector Base Post Connector Base Post Connector Base Post Connector Base Post Connector Base Post Connector Base Post Connector Base Post...

Page 46: ... Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Slide Switch Push Swi...

Page 47: ...AMP SOP OP AMP REGULATOR REGULATOR OP AMP OP AMP OP AMP OP AMP DM JK PN AUX µPC24M09AHF XM968B00 REGULATOR µPC7805AHF XL497A00 REGULATOR 5V µPC29M33HF XT333A00 REGULATOR 3 3V 1 INPUT 2 GND 3 OUTPUT 1 INPUT 2 GND 3 OUTPUT 1 INPUT 2 COMMON 3 OUTPUT 2 1 3 2 1 3 2 1 3 DRAM 4M 32M 16M Wave ROM 32M Wave ROM 16M DIP Socket ROM 16M SRAM 1M S DUS Power Supply Shield Shield Shield Contrast Adjustment These ...

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