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Alesis E-DRUM TOTAL, Service Manual

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Alesis E-DRUM TOTAL Service Manual Download Page 17

Function Board Schematic-1

Function Board Schematic

Encoder Interface

Fkey Interface

LED Interface

Voice

Voice Demo

Duo

Function

Dual

Split

Bluetooth

Concert Piano

Metro

Rec

Left

Right

Song

Start/Stop

USB

1

2

3

SW1

S5

S6

S8

S9

S10

S12

S13

S7

S1

S14

S15

S16

S2

S3

S4

A

K

LED1

D2

D1

D3

D4

D5

D7

D8

D9

D16

D15

D14

D13

D12

D11

D10

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

CN1

T1

T2

T3

T4

T5

T6

T7

T8

T9

T10

T11

T12

T13

T14

T15

FKEY_DAT0

FKEY_DAT1

FKEY_DAT2

FKEY_DAT3

FKEY_DAT4

KBD_S1

FKEY_DAT[0:11]

FKEY_DAT1

FKEY_DAT2

FKEY_DAT3

FKEY_DAT4

FKEY_DAT5

FKEY_DAT6

FKEY_DAT7

FKEY_DAT0

FKEY_DAT0

FKEY_DAT1

KBD_S0

FKEY_DAT[0:11]

KBD_S0

KBD_S1

LED_DATA0

LED_SCAN0

LED_SCAN0

LED_DATA0

FKEY_DAT2

FKEY_DAT3

FKEY_DAT4

FKEY_DAT5

FKEY_DAT6

DIAL0

DIAL1

+3.3VD

DIAL0

DIAL1

+3.3VD

FKEY_DAT5

FKEY_DAT6

FKEY_DAT7

13

Circuit Boards

Summary of Contents for E-DRUM TOTAL

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

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

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

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

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

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

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

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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