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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.
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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...
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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.
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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...
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),...
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 …...
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.
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...
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...
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.
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.
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”...
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.
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...
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...
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...
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)
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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...