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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.

1.2.8 POWER REGION

Component

：

APL1117-33VC-TR (SOT-223)

BA17805FP (SOT-252)
Major of power supply is +5V but some of IC is nec3.3V for system.

Therefore design APL1117-33VC-TR regulator circuit to step-down for +3.3V. Presently
to use +3.3V that include U2, U3 and U7 component. Additional BA17805FP regulator
circuit is provide 5V for LCD component.

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Содержание CC0

Страница 1: ...per that has been watermarked for the specific company This will allow for document distribution history The information in this document contains privileged and confidential information It is intende...

Страница 2: ...to the 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 perfo...

Страница 3: ...ED 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 AN AUTHORIZED ALESIS SERVICE CENTER SHAL...

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

Страница 5: ...sion Weight All the Audio CD Data CD VCD CD I Photo CD CD R CD RW CD to CD Edit Personal Audio CD USB2 0 connect to PC as external CD RW Earphone Jack 44 1KHz 16bit Stereo Line out 44 1KHz 16 bits Ste...

Страница 6: ...10 1 4 2 CD BACKUP mode Analyze 11 1 4 3 USB mode Analyze 12 1 4 4 Common repair question 13 1 5 Operating statement 14 1 5 1 CD to CD BACKUP 14 1 5 2 COPY TRACK 14 1 5 3 CLOSE DISC 15 1 5 4 MUSIC PL...

Страница 7: ...7C68300 6 SERIAL EEPROM 24LC02N 7 10 BIT EFT BUS SWITCH 74CBT3384A 8 POWER REGION 17805 5V andAPL1117 3 3V 1 U3 Micro Controller MPU SIN 0002A 2 U2 CMOS Flash Memory 128K x 8bits 39SF010 70 3 U1 Cache...

Страница 8: ...tem boot then firmware will download to memory buffer After system in main function that will execute any command from memory buffer 1 2 4 Complex Programmable Logic Device Component 2310700003 TQFP10...

Страница 9: ...xed bus When U_ATA_EN is High that bus switch will exchange CD RW device for USB multiplexed bus 1 2 8 POWER REGION Component APL1117 33VC TR SOT 223 BA17805FP SOT 252 Major of power supply is 5V but...

Страница 10: ...6 1 3 Component Package U3 SIN 0002A U2 39SF010 70...

Страница 11: ...7 U1 GLT44016 28J4 U7 2310700003...

Страница 12: ...8 U2 CY7C68300A U5 24LC02N U9 U10 74CBT3384A...

Страница 13: ...9 U8 APL1117 3 3V U11 BA17805 5V Q3 Q5 2SB1427 Q6 Q7 2SD1898 Q2 Q4 2N3904 Q1 2N3906...

Страница 14: ...t check solder contact short or lack and component hollow or wrong Fixed question solder contact short lack component hollow wrong YES use surveying instrument to measure power and gnd open short NO R...

Страница 15: ...it NO use oscilloscope to measure X1 whether correct shock YES fixed question check crystal circuit NO LCD Display whether correct fixed question check LCD MPU CPLD ect circuit NO YES fixed question c...

Страница 16: ...rrect fixed question check power circuit NO use oscilloscope to measure X2 whether correct shock YES fixed question check crystal circuit NO LCD Display whether correct fixed question check LCD MPU CP...

Страница 17: ...cable isn t touch 6 Audio cable is bad component 7 JP11 connector is solder contact bad 8 JP3 connector is solder contact bad 4 CD RW device abnormal 1 IDE cable isn t plug 2 IDE cable is bad compone...

Страница 18: ...into R CD ROM and blank disc into W ii Move cursor or to Select 2 Copy Track function on the LCD and press START key iii Move cursor and on the track you would like and press START this track As you...

Страница 19: ...e follow 3 3 close disc s procedure Note You will not able to play this audio CD on CD player without closing the disc 1 5 3 CLOSE DISC i Move cursor to function 3 Close Disc Make sure you have put yo...

Страница 20: ...e placed the CD in R CD ROM iii Select the songs track that you want to play iv Move cursor and press START on each track you would like to select An English letter will be shown above the track numbe...

Страница 21: ...device and press Start key Reference 5 31 5 3 2 and 5 3 3 of function items v Put into update disc to CD ROM or CD RW Note if you put into wrong disc the LCD will show error message as below vi The m...

Страница 22: ...fo and press Start key to inquire firmware version You can press 3 and 4 to Inquire firmware version The LCD Display as follow Product model and master controller firmware version CD ORM Model CD ROM...

Страница 23: ...Confidential Alesis Service Manual 8 31 0142 A ALESIS CD TWIN CC0 SCHEMATIC AND PCB FILES...

Страница 24: ...25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 9...

Страница 25: ...L2 FB C8 220P CON1 5P P 2 0mm 1 2 3 4 5 C45 100u CB13 0 1u CB12 0 1u U4B MS6308 5 6 7 8 4 C5 10u R3 51K U4A MS6308 3 2 1 8 4 R7 51K R5 10 R1 51K R2 51K C7 220P C3 10P L1 FB R9 1 R8 51K C6 10u R6 10 R4...

Страница 26: ...Hz XTAL 24MHz RESET UNIT CLOCK UNIT CPU SIN 0002A 16BIT IDE INTERFACE CONTROLLER 4 KEYS UNIT LCD 2X16 Display UNIT IDE 1 CD RW IDE 0 CD ROM LCD LATCH CONTROL SIGNAL 40MHz DIR USB 2 0 ATA ATAPI Bridge...

Страница 27: ...PCBA PB0026 1 11 3111340031 CABLE AUDIO 3P 2 0 3P 2 0 L 340 1 UP CASE ASSY M2 2 12 5106105026002 Earphone PCBA PB0026 1 5 6041510611 SCREW ST2 6 L6 16 13 3111046011 GROUND WIRE 1 33 4301000074 SOLENO...

Страница 28: ...00034 RUBBER PAD 6_6_1 5MM 5 59 4501000380 SLECT BUTTON 1 51 4501000382 EJECT HOOK 2 60 4501000381 START BUTTON 1 52 4302000008 SHAFT 1 5 23 5 2 61 4501000419 LCD TRANSPARENT PLATE 1 53 4101000014 STE...

Страница 29: ...24 3 2 Integration Case Assy 2 UP CASE ASSY M2 1 BUTTON CASE ASSY M1 4X 4 4X 3 T 5 10 11 5 5 5 9 5 5 6 7 8 12 13 BUTTON CASE ASSY M1 14 15 16...

Страница 30: ...Particular Assy 5 5 5 34 5 5 5 35 36 5 5 5 5 5 5 5 5 5 5 38 37 39 40 40 40 40 41 41 40 41 41 42 43 44 45 46 47 48 49 48 49 50 53 54 50 51 52 54 51 52 55 56 57 59 58 60 61 62 63 64 65 57 45 44 33 47 UP...

Страница 31: ...26 3 4 Key Parts of CD RW and CD ROM Assy MP 715 ASSY M 226 ASSY...

Страница 32: ...27 3 5 Up Case Complete Assy 18 28 29 30 31 32 20 19 16 24 21 22 22 27 23 16 26 20 17 25 22 UP CASE ASSY M2 1...

Страница 33: ...Confidential Alesis Service Manual 8 31 0142 A ALESIS CD TWIN CC0 ECN HISTORY...

Страница 34: ...Confidential Alesis Service Manual 8 31 0142 A ALESIS CD TWIN CC0 BOM...

Страница 35: ...K 5 Piece S R59 R108 1120300000 2 Chip Resistor R0805 0 5 Piece S R26 R27 1110122000 1 Chip Resistor R0603 22 5 Piece S R86 1110110200 4 Chip Resistor R0603 1K 5 Piece S R54 R80 R81 R107 1110115200 2...

Страница 36: ...SOT 223 PKG Piece S U8 2310480009 1 RB IC 3 3V REGULATOR APL1117 33VC TR SOT 223 Piece S U8 1130500000 1 Chip Resistor R1206 0 5 Piece S L4 5106210026004 1 Master Controller for PCBA PB0026 for BOTTOM...

Страница 37: ...Use JP5 and JP6 to connect 1703053001 1 RA Connector WAFER 5P 2 5 DIP 180 Piece M CN1 1703053002 1 RB Connector WAFER 5P 2 5 DIP 180 Piece M CN1 1703053007 1 RC Connector WAFER 5P 2 5 DIP 180 Piece M...

Страница 38: ...LCC 32P Piece S For U4 1712023211 1 RC IC Socket SOCKET PLCC 32P 5800 32 Piece S For U4 2310270310 1 RA IC 128K 8 CMOS FLASH MEMORY SST39SF010A 70 4C NH Piece M U4 2310270307 1 RB IC 128K 8 FLASH MEMO...

Страница 39: ...2 0 DIP 90 Piece M CON2 1703040102 1 RB Connector WAFER 4P 2 0 DIP 90 Piece M CON2 1703040107 1 RC Connector WAFER 4P 2 0 DIP 90 Piece M CON2 1240310723 2 Electrolytic Capacitor EC 100u M 16V 6 3 5 v...

Страница 40: ...C0603 0 1u Z 50V Y5V Piece S CB12 CB13 CB14 CB15 1210622100 1 Chip Capacitor C0603 220p J 50V NPO Piece S C66 1240310628 4 Electrolytic Capacitor EC 10u M 16V 4 5 vertical Piece M C5 C6 C32 C33 12106...

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