Alesis CD-TWIN Service Manual
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CD-TWIN (CC0)
THIS DOCUMENT CONTAINS SENSITIVE
PROPRIETARY INFORMATION. ALL
RECIPIENTS MUST HAVE A CURRENT NON-
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DO NOT DISTRIBUTE THIS DOCUMENT IN
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document distribution history.
The information in this document contains privileged and confidential information. It is
intended only for the use of those authorized by Alesis. If you are not the authorized,
intended 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 copies of this document. You may contact Alesis at
support@Alesis.com.
Copyright © 2004 Alesis, LLC
Confidential
ALESIS
Service Manual
P/N: 8-31-0142-A
ATTENTION!
ALESIS, LLC.
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8-31-0142-A

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Summary of Contents for Alesis CD-TWIN

  • Page 1 The information in this document contains privileged and confidential information. It is intended only for the use of those authorized by Alesis. If you are not the authorized, intended recipient, you are hereby notified that any review, dissemination, distribution or duplication of this document is strictly prohibited.
  • Page 2 Only Service Centers authorized by Alesis in writing are authorized to perform service and repairs covered by an Alesis warranty (if any), and transfer of the Manual to you does not authorize you to be an authorized Service Center. Therefore, if you perform, or if the Manual is used to perform, any service or repairs...
  • Page 3 ALL REPAIRS DONE BY ANY ENTITY OTHER THAN AN AUTHORIZED ALESIS SERVICE CENTER SHALL BE SOLELY THE RESPONSIBILITY OF THAT ENTITY, AND ALESIS SHALL HAVE NO LIABILITY TO THAT ENTITY OR TO ANY OTHER PARTY FOR ANY REPAIRS BY THAT ENTITY.
  • Page 4 The product is exposed to water or excessive moisture, The AC power supply plug or cord is damaged, d. The product shows an inappropriate change in performance or does not operate normally, or The enclosure of the product has been damaged. Confidential Alesis Service Manual 8-31-0142-A...
  • Page 5: Specification

    Service Manual High-Speed CD DUPLICATOR Alesis CD TWIN Version: 1.00 Specification Support Disc Format All the Audio CD, Data CD, VCD, CD-I, Photo-CD Blank Disc Type CD-R, CD-RW Copy Function CD to CD, Edit Personal Audio CD Connection Interface USB2.0 connect to PC as external CD-RW Audio Output Earphone Jack (44.1KHz, 16bit Stereo),...
  • Page 6: Table Of Contents

    Table of Contents ..................... 1 Specification 1. Electrical Adjustment .................. 3 1.1 Master Controller Component ....................3 1.2 Circuit Statement ........................4 1.2.1 Micro Controller (MPU)....................4 1.2.2 CMOS Flash Memory 128K x 8bits (BIOS)............4 1.2.3 Memory Buffer (256K x 16 bits DRAM IC) .............4 1.2.4 Complex Programmable Logic Device ..............4 1.2.5 USB 2.0 to ATA/ATAPI Bridge ..................4 1.2.6 Serial EEPROM......................4...
  • Page 7: Electrical Adjustment

    1. Electrical Adjustment 1.1 Master Controller Component 1.Micro Controller (MPU) SIN-0002A 2.CMOS Flash Memory (128Kx8bits) 39SF010-70 3.Cache Buffer RAM (256Kx16bits) GLT44016-28J4 4.Complex Programmable Logic Device 2310700002 5.USB 2.0 to ATA/ATAPI Bridge CY7C68300 6.SERIAL EEPROM 24LC02N 7.10-BIT EFT BUS SWITCH 74CBT3384A 8.POWER REGION 17805-5V and APL1117-3.3V Micro Controller (MPU)
  • Page 8: Circuit Statement

    1.2 Circuit Statement 1.2.1 Micro Controller (MPU) Component:SIN-0002A PQFP SIN-0002 is part of X86 serial MPU. In duplicator of function is conscientious for circuit controller. Major of control are include IDE decoder interface command to control CD-ROM and CD-RW read or write, LCD display string control, choice function key and execute copy function, USB mode for external CD-RW exchange control …...
  • Page 9: 10-Bit Eft Bus Switch

    1.2.7 10-BIT EFT BUS SWITCH Component:74CBT3384A Major of function is multiplexed address and data bus exchange for CD-BACKUP mode or USB mode for CD-RW device. When U_ATA_EN is “Low” that bus switch will exchange CD-RW device for CD-BACKUP multiplexed bus. When U_ATA_EN is “High” that bus switch will exchange CD-RW device for USB multiplexed bus.
  • Page 10: Component Package

    1.3 Component Package SIN-0002A 39SF010-70...
  • Page 11 GLT44016-28J4 2310700003...
  • Page 12 CY7C68300A 24LC02N U9 & U10 74CBT3384A...
  • Page 13 APL1117-3.3V BA17805-5V Q3 & Q5 2SB1427 Q6 & Q7 2SD1898 Q2 & Q4 2N3904 2N3906...
  • Page 14: Question Analyze

    1.4 Question Analyze 1.4.1 Before check of power on PCBA Before check of power on Visual check all of PCBA component and solder contact check solder contact Fixed question: short or lack and component solder contact: short / lack hollow or wrong component: hollow / wrong use surveying instrument to measure power and gnd...
  • Page 15: Cd-Backup Mode Analyze

    1.4.2 CD-BACKUP mode Analyze Step 2 Power on use surveying instruments to check voltage measure voltage fixed question: whether correct check power circuit use oscilloscope to fixed question: measure X1 whether check crystal circuit correct shock fixed question: LCD Display whether check LCD / MPU / correct CPLD...ect circuit...
  • Page 16: Usb Mode Analyze

    1.4.3 USB mode Analyze Step 2 Power ON use surverung instruments to check voltage measure voltage fixed question: whether correct check power circuit use oscilloscope to fixed question: measure X2 whether correct check crystal circuit shock fixed question: LCD Display check LCD / MPU/ whether correct CPLD...ect circuit...
  • Page 17: Common Repair Question

    1.4.4 Common repair question Item Question appearance Repair contents or exchange component 1 LCD display abnormal 1. IC Socket (U4) is bad component. 2. U1 DRAM solder contact bad or bad component 3. CD-ROM GND spring malposition (solder contact +5V and GND) 4.
  • Page 18: Operating Statement

    1.5 Operating statement 1.5.1 CD to CD BACKUP Turn on the system, you will see the LCD show the function as below: Function Put in source disc into “R” reader CD-ROM, and put in blank disc into “W” writer CD-RW iii.
  • Page 19: Close Disc

    When you finish choosing the tracks, move cursor >> forward to the most right end to the OK position. Press START key to start copying the selected tracks one by one. Move to OK to finish your Track length Length elapsed After copying all tracks from the first CD, the “R”...
  • Page 20: Music Player

    1.5.4 MUSIC PLAYER This function allows CD-Twin to become a Music CD Player. Plug in speakers, you can choose the songs you like and select a play mode; you will enjoy it like a real CD Player. i. Put an audio CD into the “R” CD-ROM, and plug in earphone or speakers to the machine.
  • Page 21: Firmware Update Step

    1.6 Firmware update step The CD-Twin has provided firmware for master controller, CD-ROM device and CD-RW device. Update steps as follow statement: 1.6.1 Update file define Master controller: CB9100_V1.0X.EPO CD-ROM device: CDROM_331X.EPO iii. CD-RW device: CDRW_TB5X.EPO 1.6.2 Update step statement First, copy firmware update files to blank disc.
  • Page 22: Firmware Version Inquire

    1.6.2 Firmware Version Inquire When update processor is finish then you can choice 5.4 Machine Info and press “Start” key to inquire firmware version You can press “ ” and “ ” to Inquire firmware version. The LCD Display as follow: Choice Machine Info to inquire firmware version...
  • Page 23 ALESIS CD-TWIN (CC0) SCHEMATIC FILES Confidential Alesis Service Manual 8-31-0142-A...
  • Page 24: Charts And Diagrams

    2.Charts and Diagrams 2.2 Master controller circuit U_BUS_PWR_IN 4.7K 15pF ( M A 0 ) I/O1 4.7K ( M A 1 ) POWER_GND I/O2 1N4148 0.1uF 6.8K ( M A 2 ) I/O3 ( M A 3 ) I/O4 2N3906 RESET# 40MHz (49US) 1.5M...
  • Page 25: Earphone Circuit

    220P AAGND AAGND RW_R AAGND MUTE CON3 MS6308 2N3904 AAGND 220u AAGND AAGND CB15 0.1u CON2 3P,P=2.0mm MUTE 220u RW_R AAGND RW_L AAGND AAGND 4P, P=2.0mm ALESIS Title EARPHONE Board Size Document Number 2006120005 Date: 星期二, 七月 15, 2003 Sheet...
  • Page 26: System Circuit Block

    USB BUS IDE1 BUS SW UNIT USB ID UNIT LCD 2X16 IDE 0 IDE 1 IDE0 BUS CD-ROM Display CD-RW UNIT LCD LATCH(CONTROL SIGNAL) ALESIS Title CD-TWIN CD-BACKUP Size Document Number PCB NO: 2006001606 星期一, 十月 06, 2003 Date: Sheet...
  • Page 27: Mechanism Exploded Views And Parts List

    3 Mechanism Exploded Views and Parts List 3.1Machine Parts List Ref No. Part No. Part Name (Description) Amount Ref No. Part No. Part Name (Description) Amount BUTTON CASE ASSY<M1> 4601000061 CONDUCTOR PAD(27*27*1) UP CASE ASSY<M2> 3111160401 IDE CABLE(40PIN L=160) 6041551201 SCREW (P3_1.27_L12) 4601000036 CONDUCTOR PAD(29.7*21.5*1.5)
  • Page 28 Ref No. Part No. Part Name (Description) Amount Ref No. Part No. Part Name (Description) Amount UP CASE ASSY<M2-2> UP CASE ASSY<M2-2> 4503000002 DAMPER GEAR(20gf-cm) 4501000386 CIRCLE COVER 6041550601 SCREW (P3_1.27_L6) 4501000439 UP-CASE 4601000034 RUBBER PAD(6_6_1.5MM) 4501000380 SLECT BUTTON 4501000382 EJECT HOOK 4501000381 START BUTTON...
  • Page 29: Integration Case Assy

    3.2 Integration Case Assy 2 UP CASE ASSY<M2> (4X)3 (4X)4 1 BUTTON CASE ASSY<M1> BUTTON CASE ASSY <M1>...
  • Page 30: Up Case Particular Assy

    3.3 Up Case Particular Assy UP CASE ASSY<M2-2>...
  • Page 31: Key Parts Of Cd-Rw And Cd-Rom Assy

    3.4 Key Parts of CD-RW and CD-ROM Assy MP-715 ASSY M-226 ASSY...
  • Page 32: Up Case Complete Assy

    3.5 Up Case Complete Assy U P C A S E A S S Y < M 2-1 >...
  • Page 33 ALESIS CD-TWIN (CC0) HISTORY Confidential Alesis Service Manual 8-31-0142-A...
  • Page 34 ALESIS CD-TWIN (CC0) Confidential Alesis Service Manual 8-31-0142-A...
  • Page 35: Electrical Parts List

    4 Electrical Parts List Amount RA Component Component No. Specification Unit Insert Component Code 5106100026005 Master Controller for PCBA (PB0026) 5106200026003 Master Controller for PCBA (PB0026 for TOP) 2006001606 PCB Version: 1606 (4 Layer FR4) Piece C6,C10,C12,C13,C19,C21,C22,C23,C24,C27,C28,C29, 1210610430 C0603 0.1u Z 50V Y5V Piece C30,C33,C37,C39,C40,C41,C42,C43,C44,C45,C46,C48, Chip Capacitor...
  • Page 36 Amount RA Component Component No. Specification Unit Insert Component Code 2110230103 RA Diode SWITCHING DIODE SMD LL-34 RLS4148 Piece D2,D3 2110230102 RB Diode SWITCHING DIODE SMD PMLL4148L Piece D2,D3 1802000003 RA Buzzer MT09A02 Piece 1802000004 RB Buzzer KST-931AP Piece 1903004001 TACT-SW SFKHHMK 2510-FX (6*6*5 yellow) SMD Piece SW1,SW2,SW3,SW4,SW5,SW6...
  • Page 37 Amount RA Component Component No. Specification Unit Insert Component Code 1110115500 Chip Resistor R0603 1M5Ω 5% Piece 1150110300 Network Resistor RP1,RP2,RP3,RP4 8P 3.2*1.6 10KO 5% 1150133000 Network Resistor RP5,RP6,RP7,RP9 8P 3.2*1.6 33O 5% 1703136001 RA Connector FPC N/Z 13P/1.0 SMD 180° Piece JP10 1703136002...
  • Page 38 Amount RA Component Component No. Specification Unit Insert Component Code 1703031007 RC Connector WAFER 3P/2.0 DIP 180° Piece 1703031008 RD Connector WAFER 3P/2.0 DIP 180° Piece 2110230103 RA Diode SWITCHING DIODE SMD LL-34 RLS4148 Piece D1,D4 2110230102 RB Diode SWITCHING DIODE SMD PMLL4148L Piece D1,D4 2210100020...
  • Page 39 Amount RA Component Component No. Specification Unit Insert Component Code 5106201026002 Audio Output PCBA (PB0026 for TOP) 2006130003 Audio Output PCB Version: 03(4 Layer FR4) 15mm*30mm Piece 1713010100 RA Earphones Socket PHONE JACK outside diameter 6/inside diameter 3.5(black) Piece 1713010101 RB Earphones Socket PHONE JACK (black) JN82-88001 Piece...
  • Page 40 Amount RA Component Component No. Specification Unit Insert Component Code 1703040108 RD Connector WAFER 4P/2.0 DIP 90° Piece CON2 1703030101 RA Connector WAFER 3P/2.0 DIP 90° Piece CON3 1703030102 RB Connector WAFER 3P/2.0 DIP 90° Piece CON3 1703030107 RC Connector WAFER 3P/2.0 DIP 90°...

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