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Diagnosis

 

 

22

1.

 Test Conditions

 

 

Power

 

input:

 

DC

 

9.

0.5V

 

 

Equipment: 

an oscilloscope, headphones/speakers, USB-MIDI cable, audio cable. 

 

 

Volume:

 Adjust the volume knobs to maximum

.

 

 
 

2. Self-test 

Cosmetic Check 

1. Check if there is scarring on the panel (including buttons, knobs and the display). 
2. Check if there is any improper silk printing (such as fading, color difference etc.). 
3. Check if the buttons, knobs, LED and jacks are installed correctly (not tilt or loose, no unreasonable 
gaps, all buttons are fixed at the same height level). 

 
 

Self-test Items 

 

Version

 

 

Audio

 

 

FUNCKEY

 

 

LED

 

 

PAD

 

 

SN

 

 

AUTO

 

 

ERP

 

 
 

Preparations

 

1. Use a USB-MIDI cable to connect the instrument to computer.   
2. 

Connect the L/R channels to an oscilloscope.   

3. Connect a pair of headphones/speakers to the PHONES jack.   
4. 

Pres

s [PATTERN] and [TEMPO] buttons at the same time to enter Test mode

 
 

1.

 

Version

 

When it enters Test mode, the display will show the software version.   

Содержание E-DRUM TOTAL

Страница 1: ...recipient you are hereby notified that any review dissemination distribution or duplication of this document is strictly prohibited If you are not authorized please contact Alesis and destroy all cop...

Страница 2: ...Manual shall be solely your responsibility and Alesis shall have no liability for any such repairs or service work All such service or repairs are performed at the sole risk of the person performing...

Страница 3: ...E WITH ANY ALESIS DISTRIBUTOR OR AUTHORIZED REPAIR SERVICE CENTER IN THE PROVISION OF REPAIR SERVICES OR TO BE OR MAKE REPAIRS AS AN AUTHORIZED SERVICE CENTER ALL REPAIRS DONE BY ANY ENTITY OTHER THAN...

Страница 4: ...s heat registers radiators or other heat producing equipment 7 Ventilation When installing the product make sure that the product has adequate ventilation Improperly ventilating the product may cause...

Страница 5: ...DIGITAL DRUM SERVICE MANUAL LDLY crash hi hat snare ride tom 3 tom 1 tom 2 hi hat control kick control...

Страница 6: ...0 1 4 22 Frequently Asked Questions 28 1 0 General Exploded Drawing and List 5 Contents Circuit Boards PCB Boards Diagnosis Parts List Panel Display descriptions 3 Assembly Exploded Drawing and List 6...

Страница 7: ...playback of a pattern See Playing Along with Patterns for more information 7 Pattern Button Press this button to enter Pattern Mode Press both this button and the Tempo Button simultaneously to use t...

Страница 8: ...onitor amplifier or PA system Adjust the volume of these outputs with the Volume Knob on the top panel 4 Phones Output Connect standard 1 8 stereo headphones not included to this output Adjust the vol...

Страница 9: ...General Exploded Drawing and List 5...

Страница 10: ...Assembly Exploded Drawing and List 6...

Страница 11: ...Assembly Exploded Drawing and List 7...

Страница 12: ...spec Description QTY Assembly Exploded Drawing and List 8...

Страница 13: ...Assembly Exploded Drawing and List 9...

Страница 14: ...Main Board Schematic 01 Circuit Boards 10...

Страница 15: ...Circuit Boards Main Board Schematic 02 11...

Страница 16: ...Circuit Boards 12 I O Board Schematic...

Страница 17: ...Function Board Schematic 1 Function Board Schematic 13 Circuit Boards...

Страница 18: ...der wire lead Sn 0 3Ag excluding copper 0 00060 Kg 901010013 Stannum of cord sotder wire lead Sn 0 3Ag 0 7Cu 1 0mm FLUX 2 2 0 00140 ROLL 101030366 Function board ASSY AI part DD401L 1 00000 SET 504030...

Страница 19: ...000 PCS R105 R202 R204 R222 R224 R226 R228 R230 R232 R326 327 R335 R338 R345 346 R317 602010189 Resistor SMD 8 2K ohm 1 8w 5 5 0603 4 04000 PCS R302 303 R322 323 602010018 Resistor SMD 10K ohm 1 8w 5...

Страница 20: ...or SMD BC817 25L SOT 23 NPN 10 05000 PCS Q102 Q201 202 Q204 Q206 Q208 Q210 Q303 Q308 309 609010005 Transistor SMD BC807 25L SOT 23 PNP high frequency low power 6 03000 PCS Q203 Q205 Q207 Q209 Q211 Q30...

Страница 21: ...01110025 screw BB 3 8BB black Zn plating PWB 4 00000 PCS 301270015 Square head screw M6 33 Nickel plating machine nail hardened 5 00000 PCS 631040503 Drum pad EVA LDLK EVA SIZE 11 11 8mm 1 00000 PCS 6...

Страница 22: ...D37 4 L550mm x 2 D37 4 L450mm x 2 D25 5 L350mm x 1 D25 5 L300mm x 2 1 00000 SET 102370018 Fixed pipe and pipe bandle backel DD512 2 00000 SET 21201020104 Pipe and pipe bardle backel Nylon and fibre i...

Страница 23: ...ng 1 00000 PCS 650000016 Cardboard III DD602 B B 25 25cm 2 00000 PCS 644001284 Polyfoam A low density size 200 150 50mm 1 00000 PCS 644001285 Polyfoam B low density size 590 110 65mm 1 00000 PCS 32207...

Страница 24: ...Main Board 1 Main Board 2 PCB Boards 20...

Страница 25: ...PCB Boards 21 Function Board Schematic...

Страница 26: ...ference etc 3 Check if the buttons knobs LED and jacks are installed correctly not tilt or loose no unreasonable gaps all buttons are fixed at the same height level Self test Items Version Audio FUNCK...

Страница 27: ...cilloscope is connected to the L R channels check that it outputs an sine wave of 440 5Hz 1K 5Hz 10K 20Hz When it is muted use the oscilloscope to check the distortion and amplitude of the output sine...

Страница 28: ...pressed the display will show the current button value and sound a Dee tone If there is any error it will produce a Bang tone and the display will show Err This image indicates no button has been pres...

Страница 29: ...to start the test The panel LEDs will turn one by one then finally all LEDs turn on Press CLICK to exit this test 5 PAD Press the buttons to select C04 then press START STOP to enter this test Or pres...

Страница 30: ...press the START STOP button the display will show APS all passed 3 If there are errors for example only the first and third dots light up You can press the START STOP button to check the error detail...

Страница 31: ...ack Detailed errors and error numbers Error Error number on screen IRAM E01 XRAM E02 ROM E03 EEPROM E04 ADC E05 USBMIDI E06 8 ERP Press the buttons to select C07 Press START STOP it will show the ERP...

Страница 32: ...lator and capacitors 4 Check the signal 3 3V and RESET when power on the signal of RESET will rise to 3 3v it is delayed 500ms than the signal of 3 3V and will always maintain 3 3v if not check the re...

Страница 33: ...f playing pattern or striking drum the signal is changed If the signal is not normal check the line of main chip A2 such as AR208 check whether short cut or open circuit change A2 chip if necessary b...

Страница 34: ...se 3 If no keys be pressed the signal of PIN 6 7 8 in CON701 is low 4 If un normal check whether short cut or open circuit between resisters and capacitors 5 The LED Display error 1 Check the LED and...

Страница 35: ...e signals IC203 1 IC203 2 IC203 3 IC203 7 the output should be low the output of IC203 5 and IC203 6 are high c If above is ok replace the IC203 7 USB Jack error 1 Check the welding of USB jack CON203...

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