Alesis io2 (UBO) Service Manual Rev A part number 8-31-0137-A
Contents
1. MIDI REVISION RECORD abd sv BYPASS CAPS LTR ECO NO APPROVED DATE 5V A A A USB uP R4 ohm e o 657 c22 c47 c19 22 p u 22uF 16V Jo ur 2 0 42 al 2 3s 2 GND GND AVDD e ad BEST MRESET PLT 200 HUF ai RESET ERI 3 Our PERSISTENT MEMORY m VBUS11 MIDI OUT EN 3 3V D RIZ k 5 PUR P1 4 MIDI IN O e 0 5 RONN Lt ohm 15 5 DP plo SPDIF RESET 43 3V R22 WWY27 4 ohm 1X e HDM un 2 SPDIF SELECT A s TAS1020BPFB Pl ALOG e C94 695 9 P3 5 EL 8 CODEC RESET 11655 5V_FULL 4VA END 47pF EDIE GPO RU 1723 3 ___ MCLKO2 L 5 i i 59 5 P3 2 XINT MCLKO1 SYS_OUT_MCLK AO SINON WE TR 14 P3 1 MCLKI SYS IN A i MI CN 13 P3 0 WP PHANTOM PWR EN SND pa SYS_OUT_DATA SPDIFZANALOG EXTEN CDATI SYSTIN_DATA MIDI IN LED EN 10 TEST CSCLK 87 SYS2. MIDI REVISION RECORD 5V id AS BYPASS CAPS LTR ECO NO APPROVED DATE A USB uP R4 ohm e o 657 c22 c47 c19 22 prs u 22uF 16V Jo ur 2 0 42 al 2 3s 2 GND GND AVDD e ad RESET MRESET PLT AUDIO WIE atl eser Co ESSE U PERSISTENT MEMORY e VBUS11 MIDI OUT LED EN 3 3V m D 2 RIZ k 2 PUR pie MIDI IN EN A O VD 0 2 RONN Lt ohm 15 5 DP Pia SPDIF RESET 43 3V R22 WWY27 4 ohm 1X e HDM un 2 SPDIF SELECT A TAS1020BPFB Pl I m C94 695 coorc 9 P3 5 un 8 CODEC RESET 11655 ka eksa oa 45V FULL 4VA END 47pF 47 EDIE GPO RO 1z P3 3 _ _ MCLKO2 E L SDA 5 a 4 i 19 P3 2 XINT MCLKOY SYS OUT MCLK MIDI QUT 14 P4 MEEK SYS_IN_MCLK 2 D MIDI IN 13 P3 0 WP PHANTOM_PWR_EN SND pe CDATO 595 OUT DATA SPDIFZANALOG EXTEN CDATI SYS_IN_DATA MIDL IN LED 10 TEST CSCLK 87 SYS_OUT_BCLK MIDI OUT LED Nc 9 42 VREN CSYNC SYS OUT WELK 5 SB LED EN NC 1 RESET
3. 4VA REVISION RECORD si LTR ECO NO APPROVED DATE 1 4 INPUT 033079 C37 o 1 EV RESA 1x 0 1uF M 580 22uF 16V 7k 1 on AMAS 4 24 R62 R63 Lava 3 92k 1 Z 1 Zi CHI PEAK 470pF 7 E 62 4 Ics2 R L50k 14 R12 T gt 22uF 16V 100k 1x us R78 MC33079 50 POTIB HE 4 R87 7 50k 2 2200uF 5 3y 18 2 ohm 1 lt 2 CEHICGUITAR IN EN v 4 e 4VA 4VA A RI Q9 Q8 015 016 pam R50 3 3 R49 y MC33079 R104 CB56 BC856 1 2 7 m 6 81k 1 x gt CHI_ADC_IN o 100k 1 100k 1x zm ut 100 ohm R55 SR52 SR51 lt 854 1 3 32k 1 1N4148 N4148 1 C35 RISB R94 R95 JB 4747 63 100 ohm 1 00k 1x 1 00k 1 Po C39 2 i R96 017 V 47 5k 1 2250214 IN C25 m 100 ohm 22uF 6V N S R XLR INPUT 106 105 47uF 63V 100 ohm gt 425 470pF 47 0pF o 144148 144148 LL C120 15pF as Lej RBGA A A LOOK 1x m RBSA A A 1 00k 1 e 10 T MC33079 o 4 R60 R64 2 00k 1 2 00k 1 pF
4. REVISION RECORD LTR ECO NO APPROVED DATE 5V_FULL A INDICATOR LEDS o RIG A 07 010 Yon TIS INPUT SELECT SWITCH 1K 1K 1K IN J4 3 gt PHANTOM_PWR_EN amp crn om RD 2 tg seor AMATOR cd 377 2 9 T USB_LED_EN E i 2206 Bon for 7 8 8 PHANTOM POWER ENABLE 5 LI L LC USB LED EN ci 5V_FULL z z pu 12 1 n 1 22uF m d me DO PHANTOWCPWR ER 8 GND 33 gt ki m 10 0k 1 5 O co Po la 8 Y pore NC 6o POT2A Oe 5V_FULL CHZ GUITAR IN EN CH1 METERING PS CH1 GUITAR INPUT ENABLE CH1 GAIN E RIAA AK RI 4 CHI GUITAR JN EN lt RIBA AK DI VEL LOMA POTIA DS x 1 d POTIB R14 x R22 3 CO CHI EN 1 Pr CHI PEAK e EE i 10 8 6 ap 9 1 MAIN_RIGHT 1002 0 902 02 14 7 gt 1 5 2 8 4 POTIB MAIN LEFT LM339 LM339 LM339 L LM339 PC OUT RIGHT OUT RIO RI3 er CH2 GUITAR INPUT ENABLE CH2 s 140k 1 5 62k 1 2 94k 1 3 32k 1 47 5k 1 s pari MON OUT RIGHT lt P
5. 13 0 Y F VSCORE 1 m C Me ln 240 poe 4 M o M C TO Tm tn t _ T 0 m e my iiw m id m m v to m E m m p f im f p ptg 8 8 T 8 128 0mm 2 i ME 45 y g E ego E di 1 0 Pm m m E m oe sum HH wes vis PCB SIDE VIEW RT e mu Ka 5 0mm vo VSCORE HERE 10 0mm SIZE QTY SYM PLATED TOL 1 Design rules used 0 008 lines 0 008 space 20 241 F YES 3 2 4 layer design 3 Surface mount parts on top and bottom sides 37 153 0 yes 3 4 Material 0 062 0 007 thick glass epoxy 4 green 1 02 copper all layers finished 82 7 8 Yes 3 5 Finish SMOBC Hot Air Level A 6 Hole sizes are finished diameter after plating 86 6 2 yes 3 with 0 0010 minimum plating all surfaces 8 Except 20 mil via whose finished size is unimportant 90 6 22 YES 3 Drilled holes are 0 003 tolerance C 7 Layer to layer registration to be 0 005 100 4 2
6. REVISION RECORD LTR ECO NO APPROVED DATE MAIN LEFT OUT R18 HE 3 MAIN_LEFT Nc 1 laj 22uF 6V ANO JY 6314 01 340 1 SLEEVE GND xu eh MAIN RIGHT OUT A HE 3 MAIN_RIGHT 16 9777 e NE B JY 6314 01 340 Q2 Re 1 SLEEVE 284405 100 R2 ANN 100 ohm qi a4 R3 25D2114K 2SD2114K GND 1 00k 1 GND v 4 Co J5 Li MAIN_RIGHT CT MAIN LEFT lt Al lt PC_OUT_RIGHT CA PC_0UT_LEFT Tur 7 MON OUT RIGHT OUT MON_OUT_LEFT it GND O EE Li CD HAVA A COMPANY 5 ALES yi8 E TITLE Y 0 1uF 11 4255079 U B 0 N OUTPUTS CONVERTERS ane PART NUMBER 9 40 0350 F REV F ASSY NUMBER 0 79 DRAWN DATED 9 79 0550 P MARESH JKHO AWS 3 16 2006 FILENAME UBOMNFO1A SCH SIZE RELEASED DATED c SCALE SHEET 3 OF 3 ALESIS 9 9 0550 r TOP ASSEMBLY DRAWING MAIN LEFT MAIN RIGHT N e o lt d TO e A 9 c65 5 ca 44 p e je gt CM C35 s C81 C677 m 5 LIU m m e 2 e 0072 rg WY C82 cn maj e NS e coN e kike ND 5 677 e A o on e eeeeem 5 p 000000 7 000000 00000
7. TASI020 IN WCLK GND CRESE TAS1020 IN BCLK TEN NC 20 NC SDA DATA 46 XTALO 265 gt 1 47 XTALI PLLFILO CD LLFIL DGND 43 3V 43 3V 6 MHz crs 107 C103 C108 104 1 3 a 45 13 LES 1000 BLM21BB1215NI TapF 18pF C51 o tur c59 j C50 O tuF CD 22uF IBY js GND 54 ore 4k GND amp 21 5V 5V_FULL VL VD DIG IN A RXP7 OLRCK TAS1020 IN WCLK s a3 he FDC6306P RXP6 OSCLK 27 51020 IN BCLK 0 1uF A M SDDUT SPDIF_DATA SPDIF RXP O 62 BARS DUCK SYS_OUT_MCLK P3 Ne csl e C6 Ee RMCK SPDIF_MCLK Mm 22uF 16V 22uF 16V 0 1uF SPDIF RXP GPOO mx SPOF RMI Bl RXPN 9 SPDIF NC NC o AD2 6P02 iB RIOQA A A 47k mm U6 BS SPDIF_RESET CD RST ARA _ ND SPDIF_RXN TH FDC6306P GND CRIP LI gjFLT SDA CDOUT CRIP DATA G SCL CCLK f6 IIC CLK NC C130 1000pF 4 me luis 3 3VA_FULL RRA 7 22 58416 2 UT GND 0 022uF 3 32k 1 OD DIG OUT C3 3 3V gt CFILT RFILT J2 B Q A in 6 po 6 PLL FILTER FOR CHIP PDIF_TX Pd S PDIF RECEIVER sr ANA Q s A c38 3 40 n ER9 5 S pru CTRL_PWR_EN G FDC6306P Daur 22uF 6 825 4 U7 B sam FT 100pF 5 R28 V A E R R GND R23 R21 10 0k 1 V 100k 1x 1 00k 1 e o 3
8. 2 1 POT2B DA py VEL AS 1 bayern v VA i 1 i 14 22uF 16V 1 R7 CH2 VN 1 00k 1 10 0k 1 i cw 1 RI HP_GND 1 I 3 32k 1X 1 1 DIRECT USB 1 1 BALANCE 4 me c23 1 4VA 1 HP_ 4VA PC_OUT_LEFT 4 1 MONITOR nis OND MONO STEREO MAIN HEADPHONES i E en SELECT 1 LEVEL LEVEL va MON_OUT_LEFT RZEN AMA 901 1 gi 26A A A HAK 1 10 R24A A A 10 0k 1 02 C16 P5 A 22uF 1 cag 22uF 16V by 1 2 1 1 HP_GND R8 MONO inte ANN 1 1 00k 1 s E Zur 10 100k 1 gt MAIN LEFT 10 0k 1x 1 R20 pte L MC33079 hook 1 2 a MC33079 2 3 1 15 1 R4 HP_GND lt 2 1 1 3 32k 1 4 1 m os PC_0UT_RIGHT 1 10 1 B i m 1222 ca gt R21 STEREO MAIN OUTS 100k 1 tes 4 NUU7OB28 7 1 16v GND HP_GND MON_OUT_RIGHT R30A A 10 0k 1 6 7 1 HP_GND 7 spe A BREAK AWAY 33079 100k 1 gt MAIN RIGHT ec Hel eee Moro Rene ep i 7 MC33079 COMPANY A L 5 S TITLE u UBO FRONT PANEL 5 4 02 U4 E m PART NUMBER 9 40 0378 C REV B hur 12551339 Ln 33079 ASSY NUMBER 9 79 DRAWN DATED 9 79 0378 GND MARESH JKHO AWS 11 2005 Y
9. ALESIS 9 40 0578 C BOTTRACE b A i q L voce e e 71 oon r 9 5958 ALESIS 9 40 0578 BOTSMK UBOFPA Front Panel Rev Last Revised RevChange Document 11 28 2005 PCB CAM Suggested by DATE Performed by Description of change Reason for change TOP LEVEL CHANGES SOP 9 21 2005 Change revision to Rev C SOP SOP 9 21 2005 Update all Part Types SOP SOP 9 21 2005 Review Integrate all outstanding ECNs SOP AWS 11 20 2005 11 28 2005 Resize drill hole in ribbon cables footprints Yahourng Request AWS 11 28 2005 11 28 2005 Modify footprint of 1 08 0222 for 1mm hole size Yahourng request 9 26 2005 11 20 2005 Change headphone volume control from post Main volume to pre so that the Main and Headphone volumes are independent Multiple user requests Note A new solderpaste stencil IS IS NOT required SCHEMATIC CHANGES PCB CHANGES FRONT PANEL REV B Confidential Alesis Service Manual 6 5 4 5 2 1
10. 3 13 2006 FILENAME UBOMNEO1A SCH RELEASED DATED SCALE SHEET 2 1 SPDIF OUT CH1 2 IN ADC PC OUT DAC ING FT AUDIO MUTE gt PC OUT LEFT PC OUT RIGHT gt MON OUT LEFT gt MON OUT RIGHT 3 3VA_FULL R97 3 3V 1 0 3 3V C23 22uF 16V e 043 224216 C7 c58 jo tuF C42 9 R98 GND 3 sl 17 U4 GND 47k VD VA 54265 CODEC RESET h 4 RESET MS SYS_OUT_MCLK MU C55 0 1 SYS_OUT_BCLK 31 VLC SYS_OUT_WCLK S H GND ta 0 1 vis SDIN1 _ ez Sm SYS OUT DATA ic gt 2psct SDOUT ps e 6 ADC IN DATA 100 ohm c67 IC DATA OO SDA TXSDIN 23 TXOUT 132 gt SPDIF_TX CHI_ADC_IN 7 AINA R127 gee MUTEC 21 Nc 34 0k 1 C56 22uF 16V 4 A VAJ 2200pF ul AOUTA 19 16 Vv 129 2200pF 9 scND AOUTB 20 22uf 15V 13 0k 1 2 94k 1 1 C136 GND GND 44 M 7 127 s Qu 1000pF C33079 FILT g cas A 2200pF ero ADC IN 3 AINB C45 22uF 16V NC AFILTB C125 2200pF y 15 MICIN2 AFILTA 0 C126 2200pF 4 NC 16
11. NG JY 6314 01 340 02 Re 1 SLEEVE 2N4403 100 ohm R2 ANN 100 ohm qi m 250214 2SD2114K GND 1 00k 1 io v Ey J5 MAIN_RIGHT CT MAIN LEFT lt Al lt PC_OUT_RIGHT CA PC OUT LEFT MON OUT RIGHT LUT MON_OUT_LEFT it GND e Gr CD HA COMPANY A ALESIS U18 E TITLE 0 1uF Am uc33070 U B 0 N P G B 7 OUTPUTS CONVERTERS ane PART NUMBER 9 40 0350 REV DRAWN DATED ASSY NUMBER 9 79 0350 P MARESH JKHO 10 26 2005 UBOMNCOTA SCH SIZE RELEASED DATED c SCALE SHEET 3 OF 3 ALESIS 9 9 0550 C ASSEMBLY DRAWING c LEFT MAIN RIGHT Cl fis CH2 UN fe sko 1 1 EM 2 74 K lt ie gt im 5 C677 m CX H DN H 68 C73 C74 06997 CN 079 m 70 E Xx 482 C84 eo Noe e KA me 677 uua e d A ALESIS 5 5 m TP 000000 000000 A UBO MAIN PCB 9 40 0350 10 26 05 JK ALESIS 9 40 0550 C TOPPASTE L lel c23 e 2040 C41 C42 E 5255 Y ES DIO luj DA C74 C69 El EX 675 77 c76 eJ14 OTP uU a dou ae CN VY val 47 RI OJ
12. ez Sm SYS OUT DATA ic gt 2psct SDOUT ps e 6 ADC IN DATA 100 ohm c67 IC DATA OO SDA TXSDIN 23 TXOUT 132 gt SPDIF_TX CHI_ADC_IN 7 AINA R127 gee MUTEC 21 Nc 34 0k 1 C56 22uF 16V 4 A VAJ 2200pF ul AOUTA 19 16 Vv 129 2200pF 9 scND AOUTB 20 22uf 15V 13 0k 1 2 94k 1 1 C136 GND GND 44 M 7 127 s Qu 1000pF C33079 FILT g cas A 2200pF ero ADC IN 3 AINB C45 22uF 16V NC AFILTB C125 2200pF y 15 MICIN2 AFILTA 0 C126 2200pF 4 NC 16 MICBIAS vo 12 e 49 7 AGND 52 0 34 0k 1 30 5 18 GND 1578 R121 R125 GND e 22uF 16V 294k 1 901 Mc33079 1000pF GND C139 470pF 74 MC33079 3 3VA_FULL 4 RI33 RI34 4 3 83k 1 1 8k 1 a 5 22uF 16V R129 R119 100k 1 470pF 73 GND R131 GND Zm 1 22uF 16V 42721 GND U17 CS4344 9 C140 470 VA Iso AQUTL Z 76 R136 R135 MC33079 SYS_IN_DATA 4 sh 26 5 SYS_IN_BCLK gt 22uF 16V 3 83k 1 1 8k 1 118 SYS_IN_WCLK OD 3 LRCK RIJE cual RIZO SYS_IN_MCLK 4 K 100k 1x 470pF 8 cul 675 css GND R132 LA ze 3 32k 1 0 1uF 22uF 16V 0 1uF 22uF 16V GND GND MONITOR DAC 10 0k 1
13. 2 mn nnnn gt Y un uu uu uu un nn uu nu Num uu uu mm mu mun once uuu LD EN im RR muu EH os HH IUN um ALL sununmu HEN m nis u uu un u a nii u Eun num Bun num Eun num Bun num B _ ALESIS 9 40 0550 5 ALESIS 9 9 0550 BOTTOM ASSEMBLY DRAWING 95 MIR22 5 6 7 e e zm E a ee Bes mus 13 e e SE d ET a uu ulu o en ee er e 25 m o ESTE EE venoj E LEE LL AT Noi un u RIO RIS 111111 ala D11 LJ R12 m m R15 U18 em meeeeo uso MAIN PCB M ME 000000 0000090 9 40 0350 26 R131 3 UBOMNC PCB Rev Last Revised RevChange Document 10 26 2005 er ie DATE dl DATE Description of change Reason for change TOP LEVEL CHANGES X X SOP 10 12 2005 JK 10 26 2005 Change
14. C61 2 R80 014 Pon 1 2 47 5k 1 22502114K IN C30 R139 100 XLR INPUT C100 47uF 63V 100 ohm ohm 22uF 16V IN S R 101 470pF 7 184148 184148 1470pF GND Le RUDA A A LOOK 1 RIOJA A A LOOK 1 4 2 R70 R74 4VA 2 00k 1x e 1 x CO AN A S S m 4 16 ps TITLE R71 y 330 ohm LA 33079 1 53079 U B 0 N C63 INPUTS INSERTS METERS ow y AVA PART NUMBER 9 40 0350 F REV ASSY NUMBER 0 79 DRAWN m 9 79 0350 P 3 16 2006 FILENAME UBOMNFO1A SCH RELEASED DATED SCALE SHEET 2 1 SPDIF OUT CH1 2 IN ADC PC OUT DAC ING FT AUDIO MUTE gt PC OUT LEFT PC OUT RIGHT gt MON OUT LEFT gt MON OUT RIGHT 3 3VA_FULL R97 3 3V 1 0 3 3V C23 22uF 16V e 043 224216 C7 c58 jo tuF C42 9 R98 GND 3 sl 17 U4 GND 47k VD VA 54265 CODEC RESET h 4 RESET MS SYS_OUT_MCLK MU C55 0 1 SYS_OUT_BCLK 31 VLC SYS_OUT_WCLK S H GND ta 0 1 vis SDIN1 _
15. FILENAME UBOFPBOIC SCH size AVA RELEASED DATED SCALE SHEET 1 OF 1 ALESIS nunc 2i e E 2 ao m ana ee e Sem TOP ASSEMBLY LEVEL P5 ALESIS 9 40 0378 FP 9 21 05 JK CH2 GAIN _ c XD m SIMI 2 ANALOG 5 9 kra we m e e e e e 3 m leu gt E B85 5325 3 mo m a 7 5 l 48V _ 48 ON 12 OFE MONO in STEREO an eee Hee 3 moo J CH1 GAIN e R21 DRAWING L oo ALESIS 9 40 0378 C TORRAS TE j sia C MONO ip STEREO KXO 8 13431 9 Si 29 3 DE 5 SS a EZ 073 25 vO zo sel LJ dE rm asn y E NIVO 9 81 lt 0 0 6 5 m e e TOPSILK om zz 019 E 6H LILI o ca iq zo I 19 ALESIS 9 40 0 578 6 e e no 9 coe uvvvvo mee e f e elige en RR i plio a
16. O 62 BARS DUCK SYS_OUT_MCLK P3 Ne csl e C6 Ee RMCK SPDIF_MCLK Mm 22uF 16V 22uF 16V 0 1uF SPDIF RXP GPOO mx SPOF RMI Bl RXPN 9 SPDIF NC NC o AD2 6P02 iB RIOQA A A 47k mm U6 BS SPDIF_RESET CD RST ARA _ ND SPDIF_RXN TH FDC6306P GND CRIP LI gjFLT SDA CDOUT CRIP DATA G SCL CCLK f6 IIC CLK NC C130 1000pF 4 me luis 3 3VA_FULL RRA 7 22 58416 2 UT GND 0 022uF 3 32k 1 OD DIG OUT C3 3 3V gt CFILT RFILT J2 B Q A in 6 po 6 PLL FILTER FOR CHIP PDIF_TX Pd S PDIF RECEIVER sr ANA Q s A c38 3 40 n ER9 5 S pru CTRL_PWR_EN G FDC6306P Daur 22uF 6 825 4 U7 B sam FT 100pF 5 R28 V A E R R GND R23 R21 10 0k 1 V 100k 1x 1 00k 1 e o 3 3V CONTROL Ra Dm 2 INPUT SOURCE SELECT 10uF 16V 3 3V 2 N outi 5V_FULL 4VA 5 Ls e A A A GND L 4 137 colt cu 4 VOUTE 4 21 Sb sil OFF GND Daur 22 6 7 TPS60403 4 wa he _ ii vcc I 4 1628 2 27 632 100uF 35V SYS_OUT_WCLK 2 INIA OUT 4 103 SYS WCLK GND GND 3 INIB Tour iv 35 WF i GND SYS_OUT_MCLK SINZA OUT2 ZRAV sys_IN_MCLK 43V e SPDIF D SYS_OUT_BCLK 0073 RIMA AO TD sYs_IN_BCLK
17. TAS1020_IN_BCLK 14 IN4A OUT4 12 R103 I ADC_IN_DATA gt SYS_IN_DATA GND SPDIF DATA Bas ME V m 0 SPDIF SELECT D SELECT 1 TLPTBT Ja gt MDILIN STROBE 2 00k 1 5V_FULL 74AHC157 5 E GND p MBT4401 50V PHANTOM POWER d de PWR EN NC Tur PHANTOM_PWR_EN FDC6306P er c9o 01 GND 470pF 70 LIU C ds eub 21 5 330uH a m 100uF 35 c2e EE VIN R47 Jin ILM 510k 47uF 63V A COMPANY is ma ALESIS A C E GND us 8 va c24 FERA 0 R53 2 dose 64 10 0k 1x 4 TITLE 5 0 1uF 100k 1 GNI UBO MAIN PCB C109 U10 2 4 R8 4 lt 05 MIDI OUT 6 LM3578A i e ANE 2200 1857 END MICRO POWER SPDIF MIDI ces _ 7 3 PART NUMBER 9 40 REV E 470pFT 470pF END 9 40 0350 E GND NC 4 1 ASSY NUMBER 9 79 GND DRAWN DATED 9 79 0350 P MARESH JKHO AWS 3 13 2006 enename UBOMNEO1A SCH SIZE C RELEASED DATED SCALE SHEET 1 or 5 2 1
18. nn us H jp E HHHHH dE olo EE ey Im mj 122 2 C123 on is its vere ou vu LEON esi sumo RIOZA pit RIO imm emas si on ints inui m m pe R115 ALESIS e m UBO MAIN lt O00000 655592 m 9 40 0350 3 17 06 dm JK R134 UB0MNF Rev Last Revised RevChange Document 3 17 2006 a DATE us DATE Description of change Reason for change TOP LEVEL CHANGES x x SOP 3 13 2006 JK 3 17 2006 Change all text from Rev E to F SOP SOP 3 13 2006 update all Part Types SOP SOP 3 13 2006 Review Integrate all outstanding ECNs SOP Note A new solderpaste stencil 15 NOT required No SMD components were moved SCHEMATIC CHANGES PCB CHANGES x JK 3 14 2006 JK 3 17 2006 Flood power plane The bottom layer pads of C75 s negative terminal and x YH 3 16 2006 JK 3 16 2006 C76 s positive terminal are too close The bottom layer pads of C43 s negative terminal and x YH 3 16 2006 JK 3 16 2006 C44 s positive terminal are too close The leads of the thru hole components at these locations after The bottom layer pads of C57 s negative terminal and being bent during the auto insertion process to prevent the x YH 3 16 2006 JK 3
19. prs u 22uF 16V Jo ur 2 0 42 al 2 3s 2 GND GND AVDD e ad RESET MRESET PLT AUDIO WIE atl eser Co ESSE U PERSISTENT MEMORY e VBUS11 MIDI OUT LED EN 3 3V m D 2 RIZ k 2 PUR pie MIDI IN EN A O VD 0 2 RONN Lt ohm 15 5 DP Pia SPDIF RESET 43 3V R22 WWY27 4 ohm 1X e HDM un 2 SPDIF SELECT A TAS1020BPFB Pl I m C94 695 coorc 9 P3 5 un 8 CODEC RESET 11655 ka eksa oa 45V FULL 4VA END 47pF 47 EDIE GPO RO 1z P3 3 _ _ MCLKO2 E L SDA 5 a 4 i 19 P3 2 XINT MCLKOY SYS OUT MCLK MIDI QUT 14 P4 MEEK SYS_IN_MCLK 2 D MIDI IN 13 P3 0 WP PHANTOM_PWR_EN SND pe CDATO 595 OUT DATA SPDIFZANALOG EXTEN CDATI SYS_IN_DATA MIDL IN LED 10 TEST CSCLK 87 SYS_OUT_BCLK MIDI OUT LED Nc 9 42 VREN CSYNC SYS OUT WELK 5 SB LED EN NC 1 RESET TASI020 IN WCLK GND CRESE TAS1020 IN BCLK TEN NC 20 NC SDA DATA 46 XTALO 265 gt 1 47 XTALI PLLFILO CD LLFIL DGND 43 3V 43 3V 6 MHz crs 107 C103 C108 104 1 3 a 45 13 LES 1000 BLM21BB1215NI TapF 18pF C51 o tur c59 j C50 O tuF CD 22uF IBY js GND 54 ore 4k GND amp 21 5V 5V_FULL VL VD DIG IN A RXP7 OLRCK TAS1020 IN WCLK s a3 he FDC6306P RXP6 OSCLK 27 51020 IN BCLK 0 1uF A M SDDUT SPDIF_DATA SPDIF RXP
20. 9 40 0350 129 e 14 06 RIA 5 8 R132 JK C141 c142 R154 R135 ALESIS 9 40 0350 E 5 nunu nunu uu E E 2 uu EH nu HEHE uu n uun Eum u uu uu uu mun mumm lili NH nuu TT NH BENE NH HIH mm uu 1 DU BERN m mu BERN S 4 nunu TIT 2 S nn un SON nnnn Z L UD S i nn uu uu HEN um HH uu BEE mH uuu um HEN unum ES BER mununununu T HE ge uni uu a dam E TUTTO m laj E uii um TTTTTTITT m muumun sss sam wa NINN u m NIU m uuunun u num Bun num Bun Bun ALESIS 9 40 0350 E BOTPASTE ALEN 7 R20 32 6190 rss m m R34 m LES Ric m l I U9 eu 90 Brice NUN R12 C101 fimul R140 o ame muj 20 8 8 7 Eines cioj EE rero HE DIM Lid R07 R RIO on OOOO
21. A 1 moj 1 The current rev D PCB does not implement the input protection circuitry properly Rev E fixes this problem Number of pages attached 9 _ SPECIAL INSTRUCTIONS Number of pages attached T_ e M i e e ea IA 48 ee ee met USEASIS APPLY CHANGE S SCRAP ON ORDER gt ae HN A Y A PRO BOM UPDATED DU UPDATED DIRECTOR S INITS WORK ORDER UPDATED COORDINATOR ALESIS BOM Confidential Alesis Service Manual Note Vendor is free to add change delete hardware screws nuts etc in this BOM to optimize manufacturability DESCRIPTION UL CONFIGURATION SHEET WELCOME TO ALESIS FAMILY 5 x 8 LITERATURE PACKAGING CABLE USB 2 METERS A B SOFTWARE CD UBO STICKER BARCODE S N UBO REF MANUAL UBO BOX SHIPPING UBO BOX GIFT UBO GEL SILICA 5G PACKET POLYBAG LABOR FINAL ASSY AND TESTING TBD BY VENDOR TOP LEVEL MECHANICALS SCREWS MISC 9 01 0088 CHASSIS EXTRUDED ALUMINUM UBO 9 11 0053 COVER REAR PANEL MOLDED PLASTIC UBO 9 11 0054 COVER FRONT PANEL MOLDED PLAS
22. C42 gt R98 GND sl 5 17 va GND 47k VD VA 54265 CODEC RESET RESET SYS_OUT_MCLK MUTING VEI SYS OUT BCLK um 3 vic LRCK 8 SYS_OUT_WCLK S H F T GND 0 42422 vis Som SYS OUT DATA AUDIO MUTE ne erk 2psct SOOUT 26 gt ADC IN DATA DEM TXSDIN 23 100 ohm 667 a TXOUT 152 gt SPDIF 2 AINA R127 CHI_ADC_IN ADOS MUTEC 21 NC 34 0k 1 C56 22uF 16v Eva AR Y 2200pF u AOUTA 19 AN 129 2200pFg 9 SGND A0UTB 20 22uF 16V 13 0k 1 2 94k 1 gt PC OUT LEFT l i C136 GND GND C44 M 7 127 cla 1000pF C33079 646 NA 2200pF n CH2_ADC_IN 3 B AINB C45 0 22uF 16V NC 14 MICINI AFILTB C125 2200pF NC 15 AFILTA 0 C126 2200pF NC 16 MICBIAS va y casi DGND C52 34 0k 1 30 5 18 gis RIZI RI25 GND 22uF 16V 13 0k 1 2 94k 1 PC OUT RIGHT C135 90 3079 1000pF GND C139 470pF 3 3VA_FULL NUI Rias yg ee PA e A l 22uF 16V 3 83k 1 TLBK 1 LO MON OUT LEFT cia R129 R123 R119 m 100k 1 470pF Nim C75 GND R131 GND Zm 1 2206 16V 42721 GND u17 154344 9 C140 670pF VA lSDN AOUTLIZ C76 8136 8155 MC33079 SYS_IN_DATA FEE 2 SYS_IN_BCLK D FILT m 22uF 16V 3 83k 1 1 8k 1 U18 gt MON_OUT_RIGHT SYS_IN_WCLK D gt Re R128 SYS IN MCLK 109678 5 36k 1 8
23. GND 1 LJ a 2 H POT2A PRESS at Pl ey 2_ lt m m CH2 PEAK Sm a 635 CHI PEAK H THT_GUITAR_IN_EN Our o POTIA Hh Eo POTIB HAVA 1 4 INPUT MG33079 C64 GND ou 22UEI6V RISA L C65 3 22uF 6V R69 48 7k 1 012 ns DO CH2_PEAK 470pF 470 i pi css RI16 4 e o seni 22uF 16V 100k 1 2 4 9 Rao 50v POT2B R39 18 2 ohm 1x D 4 P 2200uF 6 3V I TH2_GUITAR_IN_EN i 4VA 4VA N ANS Na a 4 on 012 kri V MC33079 815 C856 BC856 4 i 4 2N4403 2N4403 yl DO ch2_ADC_IN loo 22UF 16V 6 81k 1 100k 1x 100k 1 100 ohm O R117 R37 SR35 SR34 SR36 3 32k 1 15k gt 15k 15k 15k 1N4148 1N4148 c31 Rid RBB R89 m 47uF 63V 100 ohm 1 1 00k 1 d C61 2 R80 014 Pon 1 2 47 5k 1 22502114K IN C30 R139 100 XLR INPUT C100 47uF 63V 100 ohm ohm 22uF 16V IN S R 101 470pF 7 184148 184148 1470pF GND Le RUDA A A LOOK 1 RIOJA A A LOOK 1 4 2 R70 R74 4VA 2 00k 1x e 1 x CO AN A S S m 4 16 ps TITLE R71 y 330 ohm LA 33079 1 53079 U B 0 N C63 INPUTS INSERTS METERS ow y AVA PART NUMBER 9 40 0350 E REV E ASSY NUMBER 0 79 DRAWN wm 9 79 0550 P
24. jc75 668 eni CND Um 3 32k 1 0 1uF 22uF 16V O luF 22uF 16V oe GND GND MONITOR DAC REVISION RECORD LTR ECO NO APPROVED DATE T MAIN LEFT OUT RIB LIVA 5 MAIN_LEFT i SAO a 4 Fy laj 22uF 16V ANO JY 6314 01 340 1 su GND MAIN RIGHT OUT A HE 3 MAIN_RIGHT 16 9777 e NE FY B 22uF 16V JY 6314 01 340 Q2 R 1 SLEEVE 2N4403 100 ohm R2 ANN 100 ohm qi a4 R3 2SD2114K 250214 GND 1 00k 1 END v O Bs x JI5 L MAIN RIGHT MAN LEFT lt i PC OUT RIGHT D 7 PC_OUT_LEFT pum MON OUT RIGHT OUT 10 MON_OUT_LEFT g GND O EE Li CD HAVA A COMPANY 5 Be ALES U18 E TITLE Y 0 1uF n MC33079 U B 0 M A N OUTPUTS CONVERTERS A PART NUMBER 9 40 0350 D REV D ASSY NUMBER 9 79 DRAWN DATED 9 79 0550 P MARESH JKHO AWS 11 28 2005 FILENAME UBOMNDO1A SCH SIZE RELEASED DATED c SCALE SHEET 3 OF 3 ALESIS 9 9 95200 0 ASSEMBLY DRAWING MAIN LEFT MAIN RIGHT 2 a aj o eT te 6 e MAC E 25 gt ma C40 C41 C42 m A m eur bse IO LIS j 78 gt BESO om
25. o e MM qe coni N ALESIS Cocoon 00000m 900060 ur 0000 2 MAIN PCB Rite 9 40 0350 0 1 28 05 JK ALESIS 9 40 0550 D TOPPASTE 4 J4 45 46 m our cu ci z cis 5 M LJ im 0 our MAIN LEFT MAIN RIGHT 2 C40 C41 C42 C64 C62 C65 u3 DN G C63 val r 3 C47 R1 DD 5 48 os a 555 IN s S Ee toI 674 069 C78 70 u C82 Sik X o 75 c7 rd C76 Ore UBO MAIN PCB 9 40 0350 D 11 28 05 JK ALESIS 9 40 0350 D e ee e 99 o m 0 T 0 I e u T W m 3 4 00 00 neo aa ee Mie nu uu m e e m e 4 e e e 4 t mw 27 E em S 2 no 7 zx 0 000000 000000 000000 ALESIS 9 40 0350 D TOPSMK ALESIS 9 40 0550 0 TOPTRACE ALESIS 9 40 0550 0 GNDPLANE LAYER 2 ER 143 0mm
26. s 7 ENANA TAS10208PFB B SPD EZANALOG a ms C94 695 ee 9 P3 5 sra 3 CODEC RESET a 18 P3 4 xx 45V FULL 4VA GND SPDIF GPO K02 6 LSCL SDA 5 ATpF E nE 17 P3 3 MCLI T x 15 P3 2 XNT MCLKOI SYS_OUT_MCLK te MIDI OUT 143 MCLKI SYS_IN_MCLK PHANTOMS PRESEN GND MIDI JN CDATO SPDIFZANALOG lt EXTEN CDATI yew MID IN LED EN 10 TEST CSCLK 57 SYS_OUT_BCLK MIDI_OUT LED EN Nc 42 VREN CSYNC SYS OUT WCLK 3 USB LED EN NC 4 RESET CSCHNE TASIO20 IN WCLK As aE CRESET TAS1020 IN ES NC 20 NC SDA IIC DATA SCL IC CLK lt 46 XTALO 1 47 XTALI PLLFILO O AGND 43 3V 43 3V v ww 6 MHz A Ci03 N A E cios 104 1341 48 5 Es 1000pF BLM21BB121SI 8 18 DU 51 C59 4 C50 p tuF CD 22uF 6Y 7 GND GND 54 GND el 21 5V 5V_FULL VL VD DIG IN E RXP7 OLRCK TAS1020_IN_WCLK J2 A FDC6306P RXP6 OSCLK 27 20007 Spor DATA SPDIF_RxP HE CS O la Ne BARS SYS_OUT_MCLK 2 P3 cs cal Er RMCK 24 SPDIF_MCLK RI6 pce bo 100pF 75 22uF 16V 22uF 16V SPDIF _RXP G E groj iic iie 4 SPDIF_RXN GPO 18 RIODA AA 47k SPDIF _ ur ties SPDIF RESET 9 RST ADI CDIN RXN U6 BS PWR_EN SPDIF RESET D MOS _ SPDIF_RXN lt io A FDC6306P Gi CRIP B SDA CDOUT IIC_DAT
27. 1 20dB 6dB 3dB CLIP 0 5dB 3 MON_OUT_LEFT lt 1 42 2 123 E GND st 1 339 7 Lm339 La M339 LS M359 AAS A 445 U3 8 po 10 03 0 2 zp RED HAYA p POT28 D4 VEL o E D6 p Nx 1 gt l R3 cs 1 i 1 8 22uF 16V 1 R7 CH2 VS 1 00k 1 1 10 0k 1 i A woo HEADPHONES OUT 1 3 32k 1x po NC 1 1 HOOK 1 s k i C23 GND 4VA 1 OHPORAVA PC_0UT_LEFT DIRECT USB Aosta Tzur 7212 6 1 GND 1 22uF 2 1 A HP_GND i MONO STEREO Pare MAIN c21 y HEADPHONES 3 1 E AL pS 1 SELECT 124 LEVEL en LEVEL m 7 MON OUT LEFT R25A A A 0 0k RA A A 4 99 1x S MM f IN 1 R24 1 2 C16 4 i CW 2 5 22uF R33 100k 1 R35 22uF 16V 4 Pe L T ANN asua Took 1x N dr 1 10 C24 100k 1 10 P4 C DO MAIN_LEFT 10 0k 1 1 R20 1 E 1 533079 De o B ook 1 HP_ 4VA Gr NO CW 2 P3 A 1 CIS R4 HP_GND y lt 2 1 1 3 32k 1 4 1 mU PC OUT RIGHT 1 10 1 B i 1 RT cl yc 4 STEREO c17 MAIN OUTS 100k 1 4 NU7082 H R28 16v GND 1 HP_GND MON_OUT_RIGHT BSA 10 0k 1x 6 l4 ge p CW P5 B
28. 470pF 470pF END 9 40 0350 F GND NC 4 1 ASSY NUMBER 9 79 GND DRAWN DATED 9 79 0350 P MARESH JKHO AWS 3 16 2006 ruename UBOMNFO1A SCH SIZE RELEASED DATED SCALE SHEET 1 or 3 2 1 4VA REVISION RECORD 4 LTR ECO NO APPROVED DATE 1 4 INPUT I 033079 C37 o 1 EV RESA 1x 0 1uF 580 22uF 16V 7k 1 on e lt ANNE 4 enz __lc 2 R62 R63 Lava 3 92k 1 Z 1 Zi CHI PEAK 470pF 7 E 62 4 Ics2 R L50k 14 R12 4 e T cis gt 22uF 16V Sa 1 R78 MC33079 50 POTIB HE 4 R87 7 50k 2 2200uF 5 3y 18 2 ohm 1 lt 2 CEHICGUITAR IN EN v 4 e 4VA 4VA A RI Q9 Q8 Q15 Q16 pam R50 3 3 R49 y MC33079 R104 CB56 BC856 1
29. 3 MINO m e U16 R115 m etm 533332 ALESIS UBO MAIN 9 40 0350 E 3 14 06 JK U18 5 R131 m mi R134 e 1 000000 Oo es m mj 697 e xm 47 m D10 m 57 136 140 4 com len Le S ens BOTTOM ASSEMBLY DRAWING 95 MIR22 e 825 T 6 LL R2 ERA DA ee ie HH 1111 SZ 6548 N R55 So G 8 9 R 09 S NIN Q8 R 58 2 57 C112 Sonn Sr 25 m eo 59 S nm R103 U14 R102 UB0MNE Rev Last Revised RevChange Document 3 13 2006 CAM Suggested by DATE Performed by DATE Description of change Reason for change TOP LEVEL CHANGES SOP 12 2 2005 JK 3 13 2006 Change all text from Rev D to E SOP SOP 12 2 2005 JK 3 13 2006 update all Part Types SOP SOP 12 2 2005 Review Integrate all outstanding ECNs SOP Note A new solderpaste stencil 5 NOT required No components were changed or moved 3 10 2006 3 13 2006 Correct implementation of input protection diodes and 100 Ohm series resistors The current implementation does not provide much protection if any at all SCH
30. 4VA i A COMPANY ALESIS mE m 4 U16 E 77 DNS E TITLE R71 330 ohm 1 33079 71 1 53079 U B 0 N C63 INPUTS INSERTS METERS GND Y PART NUMBER DA 9 40 0350 C REV ASSY NUMBER 0 79 DRAWN DATED 9 79 0350 1 P MARESH JKHO 10 26 2005 UBOMNCOTA SCH RELEASED DATED SCALE SHEET 2 1 SPDIF OUT CH1 2 IN ADC PC OUT DAC ING FT AUDIO MUTE gt PC OUT LEFT PC OUT RIGHT gt MON OUT LEFT gt MON OUT RIGHT 3 3VA_FULL R97 3 3V 1 0 3 3V C23 22uF 16V e 043 224216 C7 c58 jo tuF C42 9 R98 GND 3 sl 17 U4 GND 47k VD VA 54265 CODEC RESET h 4 RESET MS SYS_OUT_MCLK MU C55 0 1 SYS_OUT_BCLK 31 VLC SYS_OUT_WCLK S H GND ta 0 1 vis SDIN1 _ ez Sm SYS OUT DATA ic gt 2psct SDOUT ps e 6 ADC IN DATA 100 ohm c67 IC DATA OO SDA TXSDIN 23 TXOUT 132 gt SPDIF_TX CHI_ADC_IN 7 AINA R127 gee MUTEC 21 Nc 34 0k 1 C56 22uF 16V 4 A VAJ 2200pF ul AOUTA 19 16 Vv 129 2200pF 9 scND AOUT
31. A INDICATOR LEDS RI6 A 07 010 on Yon INPUT SELECT SWITCH AMA SV FULL R16 8 RI6 C RI6 D A A 1K 1K 1K J4 ks gt PHANTOM_PWR_EN 1 GRN 5s GRN RED GRN 19 gt sPDIF ANAL0G cialt ED EN z alt QUITE 22 USB LED EN lt 1 21 gt 015 8 04 DIS m 012 l a 8 8 PHANTOM POWER ENABLE kio T LI LC USB LED 11 5V_FULL z lz Mm 12 A py Lu 22uF doj SI gt PHANTOM_PWR_EN 8 10 0k 1 5 Y O GND NC m AVK 2 POT2A De 5V_FULL GUITAR x CHI METERING Ta CH1 GUITAR INPUT ENABLE CH1 GAIN RAM NE p HAVA CHi GUITAR JN EN lt ed RI4 BA A A E D3 p VEL b A 3 D5 gy RN Nx 1 es POTIB R22 ete zoj e R14 Nx 3 En gt EN 1 2 CHI_PEAK 10 6 4 1 MAIN_RIGHT gt 4 12 6 p o 4 gt 1 5 02 8 HAVA POTIB MAIN LEFT LM339 LM339 LM339 LM339 CT TE RIO RI3 PE CH2 GUITAR INPUT ENABLE CH2 po our ur CHF GND 140k 1 5 62k 1 2 94k 1 3 32k 1 47 5k 1 4VA pari MON OUT RIGHT C vil A J 11 20dB 6dB 3dB CLIP 0 5dB MON_QUT_LEFT lt 1 00 2 823 nr NEN E ono ay FULL 1 339 7 LM339 Le M339 Lu 1M339 TAAI 4 p3 6bs 8 po 10 3 B al
32. MICBIAS vo 12 e 49 7 AGND 52 0 34 0k 1 30 5 18 GND 1578 R121 R125 GND e 22uF 16V 294k 1 901 Mc33079 1000pF GND C139 470pF 74 MC33079 3 3VA_FULL 4 RI33 RI34 4 3 83k 1 1 8k 1 a 5 22uF 16V R129 R119 100k 1 470pF 73 GND R131 GND Zm 1 22uF 16V 42721 GND U17 CS4344 9 C140 470 VA Iso AQUTL Z 76 R136 R135 MC33079 SYS_IN_DATA 4 sh 26 5 SYS_IN_BCLK gt 22uF 16V 3 83k 1 1 8k 1 118 SYS_IN_WCLK OD 3 LRCK RIJE cual RIZO SYS_IN_MCLK 4 K 100k 1x 470pF 8 cul 675 css GND R132 LA ze 3 32k 1 0 1uF 22uF 16V 0 1uF 22uF 16V GND GND MONITOR DAC 10 0k 1 REVISION RECORD LTR ECO NO APPROVED DATE MAIN LEFT OUT R18 HE 3 MAIN_LEFT Nc 1 laj 22uF 6V ANO JY 6314 01 340 1 SLEEVE GND xu eh MAIN RIGHT OUT A HE 3 MAIN_RIGHT 16 9777 e NE B JY 6314 01 340 Q2 Re 1 SLEEVE 284405 100 R2 ANN 100 ohm qi a4 R3 25D2114K 2SD2114K GND 1 00k 1 GND v 4 O Ey J5 Li MAIN_RIGHT CT MAIN LEFT lt Al lt PC_OUT_RIGHT CA PC_0UT_LEFT Tur 7 MON OUT RIGHT OUT MON
33. SIZE QTY SYM PLATED TOL 1 Design rules used 0 008 lines 0 008 space 242 YES 3 2 4 layer design 3 Surface mount parts on top and bottom sides 153 X YES 3 4 Material 0 062 0 007 thick glass epoxy FR 4 green 1 oz copper all layers finished 14 DT yes 3 5 Finish Must be lead free SMOBC HASL if available 6 Hole sizes are finished diameter after plating 4 YES 3 with 0 0010 minimum plating all surfaces Except 20 mil via which MAY be plated closed 8 X YES 3 Drilled holes are 0 003 tolerance 7 Layer to layer registration to be 0 005 2 Yes 3 8 Soldermask all exposed copper LPI GREEN color 9 Silkscreen using epoxy based ink white 22 H Yes 3 10 Surface to be flat within 0 010 in in of diagonal measurement 1 Vendor shall etch silkscreen or stamp 1 0 logo and date code 100 4 2 ves 3 type designation and UL flame rating on top side of PCB COPPER MAY DELETED 125 1 YES 3 12 Soldercoat both sides to standard J STD 003 13 Finished pcb shall have 0 0035 min dielectric material 126 2 NO 3 between consecutive conductor layers when 14 Mechanical dims are 0 005 tolerance 157 5 4 D NO 3 15 Workmanship and acceptance criteria shall be in accordance with IPC A 600 Class 1 ALESIS 9 40 0550 F PWRPLANE LAYER 3 nunu e e o o em asia ug uo ou
34. Silkscreen using epoxy based ink white 0 Surface to be flat within 0 010 in in of diagonal measurement Vendor shall etch silkscreen or stamp 1 0 logo and date code type designation and UL flame rating on top side of PCB NO COPPER MAY BE DELETED Soldercoat both sides to standard J STD 003 Finished pcb shall have 0 0035 min dielectric material between consecutive conductor layers when cured Mechanical dims are 0 005 tolerance Workmanship and acceptance criteria shall be in accordance with IPC A 600 Class 1 F 98 4 x 276 1 No 3 0 O ALESIS 9 40 0578 B BOTTRACE es La q L voce e e 71 oon r 9 5958 ALESIS 9 40 0578 B BOTSMK Front Panel Rev Last Revised RevChange Document 9 21 2005 PCB CAM Suggested by DATE Performed by DATE Description of change Reason for change TOP LEVEL CHANGES SOP 9 20 2005 JK 9 21 2005 Change revision to Rev B SOP SOP 9 20 2005 Update all Part Types SOP SOP 9 20 2005 Review Integrate all outstanding ECNs SOP Note A new solderpaste stencil IS NOT required No components are changed SCHEMATIC CHANGES PCB CHANGES 9 20 2005 9 21 2005 Increase hole size for LEDs Current hole size i
35. YES 3 8 Soldermask all exposed copper GREEN color D 9 Silkscreen using epoxy based ink white 125 1 T YES 3 10 Surface to be flat within 0 010 in in of diagonal measurement E 11 Vendor shall etch silkscreen or stamp 1 0 logo and date code 126 2 NO 3 type designation and UL flame rating top side of PCB NO COPPER MAY BE DELETED 157 5 t NO 0 0 12 Soldercoat both sides to standard J STD 003 H 13 Finished pcb shall have 0 0035 min dielectric material 43 3 4 yes 0 0 between Eve layers when 14 Mechanical dims 0 005 tolerance ves 0 0 15 Workmanship and acceptance criteria shall be in accordance with IPC A 600 Class 1 ALESIS 9 40 0550 D PWRPLANE LAYER 3 H 6 O m e o E q 16 ag gt nO annon 25 0 ene dne ire prm o I 00 o a y une o amp munun um HIIS nun manan 111111 e Rum uu HN gt uu uu 49 eu BE uu m gp uu uu unm uun m C4 We ALESIS 9 40 0550 D EEDEN TR s un o Hu nn em 3 22 9 ou ma Wm uu eo uu ise E Li e ud e mr er BOTSMK HON qu Las LUN mim ej Ni E RU WEE 05 R 1 LI a
36. as Oe ER o uu e uu LLL e unuo On mi a LL uman a ll e ss m J ILL ge m OMO one ee su iE uini e g B nojn yu NNN ie m 2 S w s m uu uie E 90 a m Hine m summum uo 056560 222222 22555 Emm sus e ej ALESIS 9 40 0550 E BOTSMK us RU Soe LI Et C87 C88 T R21 ess 55 38 css cay 520 E u6 mem 02 me es 00 rzs C 1 R3 y R27 05 e m 25 03 DI 28 E R29 1 104 cora PEE ess z cos BERE 47 221 ls R34 R35 R51 R52 R36 R37 en EAT R54 RSS 3 E 38 07 ps ps 09 FS 6109 R56 09 s 03 04 C101 up 79 RE RIS8 7 06 Lasse Rid E THES 866 c122 0124 _ nes R68 2 123 e e e 2 8 9 RIB 2 TE HT 8588808 58 5 e R79 a a H c128 o 2 RES ae Bo 12 LOSA R9 us 55 EHI Esos RIO R121 L3 134 RIN CEI 011 L R14 R12 1823 oO Se U16 q uv R128 0127 CITT U18 ALESIS UBO MAN PCB si
37. text from Rev B to C SOP x x SOP 10 12 2005 JK 10 26 2005 update all Part Types SOP SOP 10 12 2005 Review Integrate all outstanding ECNs SOP Note A new solderpaste stencil IS required A component was removed Ground the USB shield directly to GND instead of through x x YHT 10 12 2005 JK 10 26 2005 ferrite bead Remove ferrite bead L2 EMC compliance SCHEMATIC CHANGES PCB CHANGES UBO Main Rev C Modifications Insert 1000hm resistor in series with each of the DC blocking caps for the CH1 and CH2 input C25 C31 and C35 Cut PCB traces 4 places as indicated below Solder a 100ohm resistor onto PCB to bridge the cut 4 places c FS BU GEN lm PA Teen ES FRONT PANEL REV G Confidential Alesis Service Manual 6 5 4 5 2 1 REVISION RECORD LTR ECO NO APPROVED DATE 5V_FULL
38. 180 W SHIELD J6 7 4 01 0008 JACK RCA DUAL FEMALE PANEL MNT HOR MNT J2 4 02 0010 JACK 1 4 4 PIN FEM PCB MNT 90 DEG J4 5 4 02 0011 JACK 1 4 STEREO 5 PIN FEM PCB MNT VERT W BUSHING 49 10 J12 13 4 05 0025 JACK XLR 3 PIN FEM PCB MNT VERT J8 J11 4 08 0402 CON USB 4 PIN FEMALE PC MNT HORIZONTAL J1 4 14 1200 HEADER DIL 12 PIN 2mm MALE 90 SHRD J14 16 7 01 0048 CRYSTAL 6 2 PARALLEL 16pF HC 49US X1 7 20 0070 INDUCTOR FERRITE BEAD 120 OHMS 100MHZ 0805 L2 3 7 20 0073 INDUCTOR POWER 330uH 0 61A 5x10 5x10 5mm L1 7 40 8865 TRANSFORMER 1 10 mHz PULSE 1 1 amm 2 2 2 2 v 2 n a o o m m om nan non T1 9 40 0350 B PCB MAIN UBO REV B LABOR LABOR 9 79 0378 0 09 0046 ASSY PCB FRONT PANEL UBO POT 10KA DUAL VERT 15mm D SHAFT 0 09 0047 POT 10KB DUAL VERT 15mm D SHAFT Page 2 0 09 0052 POT 5KC SINGLE VERT 15mm D SHAFT P1 2 0 15 0100 RES 10 OHM 1 10W 5 0805 R3 R5 0 16 1001 RES 1 00 OHM 1 10W 1 0805 R7 8 0 16 1002 RES 10 0K OHM 1 10W 1 0805 R2 R6 R17 R22 25 R27 R30 R34 35 0 16 1003 RES 100K OHM 1 10W 1 0805 R18 21 R28 29 R32 33 0 16 1401 RES 1 40K OHM 1 10W 1 0805 R10 0 16 2941 RES 2 94K OHM 1 10W 1 0805 R11 0 16 3321 RES
39. 1x 1 21k 1 oN L e C35 4TuF 63V i 2 i C25 47uF 63V R68 R96 ARA X 100k 1 100k 1x IN C106 105 100 ohm 22uF 16V N R T XLR INPUT ide 09 08 123 Fi pi 1N4148 N4148 GND GND E E I rop tb 4 RBGA A A LOOK 1 9 m v RESA A A 1 00k 1 e 10 4VA MC33079 O R60 R64 E 2 00k 1x 2 00k 1x e GND y J16 2 5 2 ra gt PS R61 CH2_GUITAR_IN_EN lt 330 olii CHZ PEAK a 7 b PEAK H u CH1 GUITAR EN 0 1 POTIA VA POTIB p 22 GND HAVA 1 4 INPUT C33079 1 P 1 e C54 22uF 16V RISA A A 001 GND 0 1uF 3 Fe 22u6V Reg 10 0k 1 o Y 144148 C102 2115 R72 3 92k 1 DO CH2_PEAK 470pF 470 avi UN 4 T F 16 fook 1 p cet R90 POT2A POT2B 2200uF 6 3V 182 ohm 1 et TH2_GUITAR_IN_EN paa 4 C85 CN 4VA Qn 012 33079 R15 x R33 pn B sud R32 A 2N4403 2N4403 7 gt e 22uF 16V 6 81k 1 1 100 ohm 100k 1x 100k 1 GND RI7 R37 R35 R34 R36 3 32k 1 15k 15k 15k 15k D4 D3 He 1N4148 1N4148 Wee GND 3 C31 j 47uF 63V cs R66 2 i C30 47uF 63V EXE C100 100 ohm 5 R XLR INPUT ne 09 07 06 pl pl 1N4148 184148 C133 5 470pF GND gt RIOJA A A 00 1 e 10 gt MC33079 R70 R7 wi 4 2 00k 1x 1
40. 2 7 m 6 81k 1 x gt CHI_ADC_IN o 100k 1 100k 1x zm ut 100 ohm R55 SR52 SR51 lt 854 1 3 32k 1 1N4148 N4148 1 C35 RISB R94 R95 JB 4747 63 100 ohm 1 00k 1x 1 00k 1 Po C39 2 i R96 017 V 47 5k 1 2250214 IN c25 R137 100 ohm 2206 N R T XLR INPUT C106 105 47uF 63V 100 ohm gt 425 470pF 47 0pF o 144148 144148 LL C120 15pF as Le RBGA A A LOOK 1x m RBSA A A 1 00k 1 e 10 T MC33079 o 4 R60 R64 2 00k 1x 2 00k 1x pF GND i LJ a 2 H POT2A PRESS at Pl ey 2_ lt m m CH2 PEAK Sm a 635 CHI PEAK H THT_GUITAR_IN_EN Our o POTIA Hh Eo POTIB HAVA 1 4 INPUT MG33079 C64 GND ou 22UEI6V RISA L C65 3 22uF 6V R69 48 7k 1 012 ns DO CH2_PEAK 470pF 470 i pi css RI16 4 e o seni 22uF 16V 100k 1 POTASA Rao D 8907 2 16 R39 18 2 ohm 1x 4 4 P 2200uF 6 3V I TH2_GUITAR_IN_EN i 4VA 4VA N ANS Na a 4 on 012 kri V MC33079 815 C856 BC856 4 4 2N4403 2N4403 yl DO ch2_ADC_IN loo 22UF 16V 6 81k 1 100k 1x 100k 1 100 ohm O R117 R37 SR35 SR34 SR36 3 32k 1 15k gt 15k 15k 15k 1N4148 1N4148 c31 Rid RBB R89 m 47uF 63V 100 ohm 1 1 00k 1 d
41. 3V CONTROL Ra Dm 2 INPUT SOURCE SELECT 10uF 16V 3 3V 2 N outi 5V_FULL 4VA 5 Ls e A A A GND L 4 137 colt cu 4 VOUTE 4 21 Sb sil OFF GND Daur 22 6 7 TPS60403 4 wa he _ ii vcc I 4 1628 2 27 632 100uF 35V SYS_OUT_WCLK 2 INIA OUT 4 103 SYS WCLK GND GND 3 INIB Tour iv 35 WF i GND SYS_OUT_MCLK SINZA OUT2 ZRAV sys_IN_MCLK 43V e SPDIF D SYS_OUT_BCLK 0073 RIMA AO TD sYs_IN_BCLK TAS1020_IN_BCLK 14 IN4A OUT4 12 R103 I ADC_IN_DATA gt SYS_IN_DATA GND SPDIF DATA Bas ME V m 0 SPDIF SELECT D SELECT 1 TLPTBT Ja gt MDILIN STROBE 2 00k 1 5V_FULL 74AHC157 5 E GND p MBT4401 50V PHANTOM POWER d de PWR EN NC Tur PHANTOM_PWR_EN FDC6306P er c9o 01 GND 470pF 70 LIU C ds eub 21 5 330uH a m 100uF 35 c2e EE VIN R47 Jin ILM 510k 47uF 63V A COMPANY is ma ALESIS A C E GND us 8 va c24 FERA 0 R53 2 dose 64 10 0k 1x 4 TITLE 5 0 1uF 100k 1 GNI UBO MAIN PCB C109 U10 2 4 R8 4 lt 05 MIDI OUT 6 LM3578A i e ANE 2200 1857 END MICRO POWER SPDIF MIDI ces _ 7 3 PART NUMBER 9 40 REV F E
42. 550 22uF 16V on HL 184148 Y cu2 1124 R62 R63 3 92k 1 Z 1 DO CHI PEAK T 470pF 7 4 Ri 7 R12 m BIA 22vF 16V 100k 1 R78 MC33079 c R87 7 50k POTIB 50 mm 18 2 ohm 1 GND 5 4 ME THT_GUITAR_IN_EN Y 4VA 015 016 Si 33079 x R104 R50 09 G 3 08 R49 284405 284405 21 7 C856 BCB56 CHI_ADC_IN ES 1 22uF v 5 8Tk 1 100k 1 100k 1 GND R91 RNS 6 19k 1 3 32k 1 R55 ou R51 SR54 15k SI5k S15k S15k 1 R94 R95 He 8 00k 1 1 00k 1 2 80 C35 j 47uF 63V o C39 R93 L2 i C25 47ug63V R96 Q17 HL is 47 5 1 2250214 ANA IN ES ohm XLR INPUT C106 105 22uF 16V Los N S E R T 470pF 47 0pF p pl 120 5 RBGA A LOOK 1 y 9 GND R137 05 R138 100 ohm gt 1N4148 1N4148 lt 100 ohm RESA AA rooie MC33079 O i R60 R64 2 00k 1 2 00k 1x pF 1 J16 GNO 2 H 1 1N4148 1N4148 2 pc ma 2 GUITAR EN lt ae 2 PEAK rel Y 7 a 4 C36 CHI PEAK p CHI GUITAR IN 5 POTIA 11 Be POTIB H2 7 GND O 4VA cez 1 4 INPUT MG33079 64 GND EY C65 3 22 R69 48 7k 14 D12 1 1N4148 Y lens R72 3 92k 1 DO CH2_PEAK 470pF 470pF AVR less WY 4 4 S R116 e 22uF 16V 100k 1 POT2A EA R90 POT2B AY 18 2 ohm 1x
43. 94 1 10W 1 0805 R125 126 0 16 3321 RES 3 32K OHM 1 10W 1 0805 R30 31 R84 R108 R113 R117 R120 0 16 3402 RES 34 0K OHM 1 10W 1 0805 R124 R127 0 16 3831 RES 3 83K OHM 1 10W 1 0805 R133 R136 0 16 3921 RES 3 92K OHM 1 10W 1 0805 R46 R62 63 R72 73 0 16 5361 RES 5 36K OHM 1 10W 1 0805 R129 130 0 16 6811 RES 6 81K OHM 1 10W 1 0805 114 R118 0 16 7501 RES 7 50K OHM 1 10W 1 0805 R81 83 R87 R105 107 R111 0 17 0101 RES CHIP ARRAY 4 X 100 OHM 1 16W 5 ISOLATED C C 0 8mm R8 R58 59 R103 1 07 0224 CAP 2200uF ELEC 20 6 3V 5x10 2x20mm C66 C81 1 08 0222 CAP 22uF ELEC 16V 20 1 5x4x7mm C5 C8 9 C14 15 C19 C23 C37 C39 40 1 12 0472 CAP 47uF ELEC 20 63V 2 5x6 3x11mm C25 26 C30 31 C35 1 16 1103 CAP 100uF ELEC LOW ESR 20 35V 1050 2 5x6x11mm C17 C32 33 1 55 0189 CAP 18pF NPO 0805 C104 C108 109 1 55 0222 CAP 2200pF NPO 0805 50V C111 C125 129 1 55 0223 CAP 0 022uF X7R 0805 50V C134 1 55 0470 CAP 47pF NPO 0805 50V C94 95 C118 C131 1 55 0471 CAP 470pF 5 NPO 0805 50V C87 92 C96 97 C99 102 C105 106 1 56 0101 CAP 100pF NPO 0805 5 50V C93 C98 C107 C113 C116 117 C121 1 56 0102 CAP 1000pF NPO 0805 5 100V C103 C110 C130 C135 136 1 56 0104 CAP 0 1uF X7R 0805 10 50V C1 4 C6 7 C10 13 C16 C18 C20 22 1 56 0150 CAP 15pF NPO 0805 C119 120 C13
44. combination Cleaning The product should only be cleaned as the manufacturer recommends Service The user should only attempt the limited service or upkeep specifically described in the operating instructions for the user For any other service required the product should be taken to an authorized service center as described in the operating instructions Damage to the Product Qualified service personnel should service the unit in certain situations including without limitation when a Liquid has spilled or objects have fallen into the product b The product is exposed to water or excessive moisture c The AC power supply plug or cord is damaged d The product shows an inappropriate change in performance or does not operate normally or enclosure of the product has been damaged Confidential Alesis Service Manual 8 31 0137 A Confidential ALESIS IO 2 UB0 SCHEMATIC AND PCB FILES Alesis Service Manual MAIN PCB REV Confidential Alesis Service Manual 8 31 0137 A 6 5 4 5 2 1
45. ee He 4 v ec ALESIS 9 40 0550 TOPSMK ALESIS 9 40 0550 E TOPTRACE ALESIS 9 40 0550 E GNDPLANE LAYER 2 DRILLDWG 143 0mm gt 13 0mm lt VSCORE HERE 55 RU E ee S mb IO i 4tX x XXX B Cae 0 xx T X X des SER X a om x LA x x X xx X x x x VSCORE DETAIL FX x ed qe x x Tabo s xX X Xx qe E m E E E m x obo s B x x 128 0mm E m E a X x 22 poe X x HH x x T PCB SIDE VIEW UR Ru MM NIKO H x Rein deas qose E 5 0mm VSCORE HERE SIZE QTY SYM PLATED TOL 241 YES 3 153 X YES 3 O yes 3 4 yes 3 X YES 3 2 M yes 3 22 H ves 3 100 4 2 amp ves 3 125 1 ves 3 126 2 no 3 157 5 4 no 3 Cn gt S 4 layer design Surface mount parts on top and bottom sides Material 0 062 0 007 thick gla
46. m i e e uu iine H Wine me ue 152992 45002 IJN 552222 ej ALESIS 9 40 0350 C 5 us C87 C88 R5 L u sol 20 H o3 9 R10 012 R118 ALESIS UBO MAIN 9 40 0350 C 10 26 05 JK 9 Qi R2 lo Ur R32 C100 LL e lr h Q6 R39 R40 1 R66 ALESIS 9 40 0550 BOTSILK 618 R20 96 97 o 08 05 09 eh gt 1890 R104 om D T T 10 o 22 Jl EIS R133 C139 BE R15 R7 ser R16 R19 C c95 R22 rs LI R27 Q5 2 Lr sc Es LI R29 104 cios R49 C106 T 0000 co EL Je un o SEE R54 R55 R58 06 R30 R31 46 C103 C109 R56 gt 08 R57 TP2D R59 TE c122 R92 124 8 C123 R97 R100 R98 R99 1 R101 MI CJ C125 L 235 Res R136 C140 Cko 130 S 6134 E O v7 nunu nunu uu Klum e anum ma um mu uu n uu m n n HEHE uu wawa u s mu mun mumm HH NH nun B BN N m HII am am sy ec m BERE uu EHE BERN S lt m I
47. not to copy the Manual without the written authorization of Alesis Alesis has no obligation to provide to you any correction of or supplement to the Manual or any new or superseding version thereof Alesis shall have the right to refuse to sell or otherwise transfer repair parts or materials to you in its sole discretion You shall not use sell or otherwise transfer spare or replacement parts supplied by Alesis to you i to repair or be used in products manufactured for or by third parties or ii to any third parties for any purpose You shall not make any warranties or guarantees with respect to the products of Alesis or the use thereof on behalf of Alesis or in your own name The foregoing describes the entire understanding related to sale or transfer of the Manual to you and no other terms shall apply unless in a writing signed by an authorized representative of Alesis All Trademarks are property of their respective companies Confidential Alesis Service Manual 8 31 0137 A Warnings TO REDUCE THE RISK OF ELECTRIC SHOCK OR FIRE DO NOT EXPOSE THIS PRODUCT TO WATER OR MOISTURE The arrowhead symbol on a lightning flash inside a triangle is intended to alert the user to the presence of un insulated dangerous voltage within the enclosed product which may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point inside a triangle is intended to alert the user to the presence of importan
48. writing to be an authorized Service Center Alesis sells or transfers the Manual to you on the following terms and conditions 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 on any Alesis product or part thereof any and all warranties of Alesis as to that product and any service contract with Alesis for product shall be voided and shall no longer apply for such product even if your services or repairs were done in accordance with the Manual All service or repairs done by you or with reference 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 performing the service or repairs You agree that all such work will be performed in a competent professional and safe manner at all times and to indemnify and fully hold Alesis and its successors and assigns harmless in the event of any failure to so perform Your purchase of the Manual shall be for your own ultimate use and shall not be for purposes of resale or other transfer As the owner of the copyright to the Manual Alesis does not give you the right to copy the Manual and you agree
49. 0 UBO MAIN PCB 9 40 0350 3 17 06 JK TOPPASTE ALESIS 9 40 0550 MIDI OUT CH 77 U C34 2 CH2 f B Ju e m 636 con C61 le AQ C65 us u cS C47 mL t 5 e 395 co d cs27 N 55 S Y 58 5 C73 C74 C69 CN 72 o en NM c76 C77 w ALESIS OTP UBO MAIN PCB 9 40 0350 3 17 06 JK ad ALESIS 9 40 0550 F TOPSILK o me oe se ho e te ALESIS 9 40 0550 F TOPSMK ALESIS 9 40 0550 F TOPTRACE ALESIS 9 40 0550 F GNDPLANE LAYER 2 ALEO 2 lt GS mi ns 143 0mm 13 0 lt VSCORE HERE x gt x X X o OF X X tx Se P X Xx L tx x qu uet eX x E xx x x x x gt x x x gt x VSCORE DETAIL X E 4 45 DEG Ba tX x x r XX s Xx xx cb EE m g B k x Pu lt 128 0mm qus Ki si 4 L PCB SIDE VIEW 5 0mm VSCORE HERE 10 0mm
50. 16 2006 C68 s positive terminal are too close components from falling out tend to short out against the The bottom layer pad of C40 s negative terminal is too neighboring pads during the wave solder process x YH 3 16 2006 JK 3 16 2006 close to C41 s 3 3V via The bottom layer pad of C60 s negative terminal is too x YH 3 16 2006 JK 3 16 2006 close to one of R68 s pads MAIN PCB REV E Confidential Alesis Service Manual 8 31 0137 A 6 5 4 5 2 1 MIDI REVISION RECORD 5V id AS BYPASS CAPS LTR ECO NO APPROVED DATE A USB uP R4 ohm e o 657 c22 c47 c19 22
51. 2 133 1 71 3102 CAP 10uF TANT B 16V C28 29 2 50 4148 DIODE SIGNAL LS4148 MELF D2 12 2 51 0140 DIODE POWER SCHOTTKY MBRS140LT3 40V 1A D1 2 51 4401 TRANS NPN 2N4401 40V 1A SOT 23 Q3 Q5 2 51 4403 TRANS PNP 2N4403 40V 800mA SOT 23 Q2 Q11 12 Q15 16 2 54 0856 TRANS SMALL SIGNAL PNP 65V 100mA BC856 SOT 23 Q6 9 2 54 2114 TRANS SMALL SIGNAL NPN 2SD2114K SOT 23 Q1 Q4 Q10 Q13 14 Q17 2 54 6306 TRANS SMALL SIGNAL DUAL P CHAN EN MOSFET FDC6306P ISOLATE U6 7 2 61 2985 IC REG VOLTAGE LP2985IM5 4 0 LDO 4V 150mA SOT23 5 U8 2 61 3578 IC REG VOLTAGE IC REG VOLTAGE LM3578A ADJ 100KHz PWM SWITC U10 2 61 7223 REG VOLTAGE NJU7223DL1 33 3 3V TO 252 U1 U3 2 62 0157 IC 74AHC157 QUAD 2 TO 1 LINE DEMUX SOP 16 014 2 65 0017 IC 74LVC1G17 SINGLE GATE SCHMITT TRIG BUF U5 2 69 2464 IC EEPROM SERIAL 64K BIT 24C64 SOIC 8 U12 2 70 1020 IC MPU TAS1020B USB TQFP 48 U11 2 71 3079 IC MC33079 QUAD OP AMP SOP 14 U13 U16 U18 2 74 0181 IC OPTO ISOLATOR TLP181 TRANS OUT SMD U2 2 75 4265 IC CODEC CS4265 24 BIT STEREO LOW POWER QFN 32 U4 2 75 4344 IC CONVERTER D A CS4344 24 BIT 192KHZ 125 TSSOP 10 U17 2 84 8416 IC RECEIVER DIG AUDIO 192kHz CS8416 TSSOP 28 U15 2 85 0403 IC VOLTAGE INVERTER CHARGE PUMP UNREG TPS60403 SOT23 5 U9 4 00 0002 JACK DIN 5 PIN MIDI PCB MOUNT
52. 2200uF 6 3V 7 1 e TAZ GUITAR IN EN Au CN Qn Q12 Sh yv MC33079 815 a R32 t 2N4405 254405 p DO IN 1 22uF 16V 1 100 ehm Ape o 100k 1x 100k 1 1 GND R117 3 32k 1 R37 SR35 SR34 S RIS 15k Sisk S15k S15k 5 DOk 1 1 00k 1 LUNO o C31 47uF 63V uu C61 2 i C30 47ug63V R80 Q14 Hf 47 5k 1 E 16 m 100 oh E XLR INPUT INSERT 470pF 70 e RIZO R140 7 a 03 RI Ok 1 O9 AAA LO 100 ohm gt 1N4148 184148 lt 100 ohm R70 R74 HAVA 2 00k 1 Sm 1 4 ER L 35 1N4148 yt6 E TITLE R71 Y 330 ohm fi 033079 T f 53079 U B 0 N Y C63 Ns INPUTS INSERTS METERS Y E v AVA PART NUMBER 9 40 0350 D REV D 4VA ASSY NUMBER 9 79 DRAWN DET 9 79 0350 P MARESH JKHO AWS 11 28 2005 FILENAME UBOMNDO1A SCH RELEASED DATED SCALE SHEET 2 3 1 SPDIF OU T CH1 2 IN ADC PC OUT DAC 3 3VA_FULL R97 3 5V 1 0 ohm 3 3V C23 22uF 16V e 43 224465 C7 5 0
53. 22uF R29 100k 1 R d A K P A W Y Sh 1 A E i HESSO 22uF TOKA 1 100k 1 12 Y4 D L MAIN RIGHT I aN ee ca scl ee eseo eg oe nes alegro 7 y MC33079 GND z COMPANY ALESIS qa i A UBO FRONT PANEL PCB cn cia U4 E Eur PART NUMBER 9 40 0378 B REV B BRAVE ASSY NUMBER 9 79 0378 GND Y P MARESH JKHO 9 2005 UBOFPBOTA SCH suc AVA RELEASED DATED SCALE SHEET 1 OF 1 ALESIS OOD 2i e E 2 ao R2 s mimm CI 1 2 Ama e ululug Sem ASSEMBLY B LEVEL P5 ALESIS 9 40 0378 UB0 9 21 05 JK CH2 GAIN _ R26 R31 3 385 5 o eee 90900 mee mee S Sm ANALOG m m eM a 2 Sa l a 1 48V 48V 5 ON O MONO y STEREO D 2 000 000 8 000 Hee Hee ee 0 6 oN El CH1 GAIN DRAWING L oo ALESIS 9 40 05 8 TOPPASTE j TOPSILK 8 5 ZS a SS es yey tio la sio 13431
54. 3 32K OHM 1 10W 1 0805 R1 R4 R12 0 16 4752 RES 47 5K OHM 1 10W 1 0805 R13 0 16 4991 RES 4 99K OHM 1 10W 1 0805 R26 R31 0 16 5621 RES 5 62K OHM 1 10 1 0805 R9 0 17 0102 RES CHIP ARRAY 4 X 1K OHM 1 16W 5 ISOLATED c c 0 8mm SMD R14 16 1 08 0222 CAP 22uF ELEC 16V 20 1 5x4x7mm E C1 C3 C6 7 C12 16 C19 20 C22 24 1 55 0471 CAP 470pF 5 NPO 0805 50V C8 9 1 56 0101 CAP 100pF NPO 0805 5 50V C2 C5 1 56 0104 CAP 0 1uF X7R 0805 10 50V C4 C10 11 C18 1 56 0150 CAP 15pF NPO 0805 C17 C21 2 50 4148 DIODE SIGNAL LS4148 MELF D7 D10 11 2 71 3079 IC MC33079 QUAD OP AMP SOP 14 U4 2 71 7082 IC NJU7082BM DUAL POWER OP AMP LOW VOLTAGE SOP 8 0 2 U1 2 72 0339 LM339 ANALOG COMP SOP 14 U2 3 3 02 0057 LED GREEN 1 1mm X 3 4mm RECT D5 6 D8 9 D12 D14 15 3 02 0058 LED YELLOW 1 1mm X 3 4mm RECT D3 4 3 02 0059 LED RED 1 1mm X 3 4mm RECT D1 2 013 4 02 0011 JACK 1 4 STEREO 5 PIN FEM PCB MNT VERT W BUSHING J2 4 15 0406 HEADER SIL 4 PIN 2mm MALE SHRD J1 6 01 0011 SWITCH SLIDE DPDT 2MM PITCH 51 5 HEADER DIL 12 PIN 2mm 44 6 HEADER 4 PIN SIL 2mm OF GOO N SNI N AININ J3 9 40 0378 A PCB FRONT PANEL UB0 REV A LABOR L
55. A C130 1000pF 4 RIZO AGND DGND_ y15 3 3VA_FULL 7 22 CS8416 CZ kave aka A GND 0 022uF 3 32k 1 OD DIG OUT 3 3V RFILT iii 42 8 A 2 6 1906 PLL FILTER FOR CHIP IF TX M S PDIF RECEIVER seor ZN ON S 38 13 c4ol T1 ER9 5 VW CTRL PWR EN gt R24 gt 4 CTRL_PWR_EN FDC6306P Daur 22uF 6V 100 ohm ne gt U7 B 100 5 R28 VA INVERTER R23 R21 Lu 10 0k 1 N 1 00k 1X Z1 00K 1 P O R SEN NJU7223DL1 33 aay Sie CONTROL A M _ gt PWR_EN Mi A 7 INPUT SOURCE SELECT 10uF 16V 3 3V 2 h 5V_FULL 4VA ein ovri A A EFLY CFLY A GND LP2985 4 137 colt cis 5 VOUT 15 ES pnr Tum OFF 14 kie GND 0405 4 Daur 22uF 16V ouF 56 ex v e GND 4VA GND GND 628 2 211 632 100uF 35V SYS_OUT_WCLK ARR OUTI 4 RIO3 BA A A T sys_IN_wcLK Tour iv Toour ssv WF ET ur GND SYS_0UT_MCLK Hiag OVT sYs_IN_MCLK e SPDIF MCLK 11 N3A 0UT3 a R103 SYS_OUT_BCLK DEAD svs iN pci TAS1020 IN BCLK 10 N38 C16 O tuF A SPDIF e DO SYS_IN_DATA GND SPDIF_DATA jS R10 SPDIF SELECT CD SELECT u2 gt 187 0 gt MIDI IN 15 STROBE 2 00k 1 5V_FULL 74AHC157 E GND mena 2 aream 50V PHANTOM POWER d c12 Ril m en Tur sio i PHANTOM_PWR_EN FDC6306P di i U7 A cag m A CE GND 470pF 470
56. ABOR Page 3
57. ALESIS 2 Service Manual P N 8 31 0137 A ATTENTION THIS DOCUMENT CONTAINS SENSITIVE PROPRIETARY INFORMATION ALL RECIPIENTS MUST HAVE A CURRENT NON DISCLOSURE AGREEMENT ON FILE WITH ALESIS LLC DO NOT MAKE ILLEGAL COPIES OF THIS DOCUMENT 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 servicemanuals alesis com or at support alesis com Copyright Alesis LLC Confidential Alesis Service Manual 8 31 0137 A Preface This document is intended to assist the service technician in the operation maintenance and repair of the Alesis device Together with the User Reference Manual this document provides a complete description of the functionality and serviceability of the Device Any comments or suggestions you have pertaining to the document are welcome and encouraged READ THIS In addition to any purchase price that Alesis may charge as consideration for Alesis selling or otherwise transferring this service manual Manual to you if you are not a service and repair facility Service Center authorized by Alesis in
58. B 20 22uf 15V 13 0k 1 2 94k 1 1 C136 GND GND 44 M 7 127 s Qu 1000pF C33079 FILT g cas A 2200pF ero ADC IN 3 AINB C45 22uF 16V NC AFILTB C125 2200pF y 15 MICIN2 AFILTA 0 C126 2200pF 4 NC 16 MICBIAS vo 12 e 49 7 AGND 52 0 34 0k 1 30 5 18 GND 1578 R121 R125 GND e 22uF 16V 294k 1 901 Mc33079 1000pF GND C139 470pF 74 MC33079 3 3VA_FULL 4 RI33 RI34 4 3 83k 1 1 8k 1 a 5 22uF 16V R129 R119 100k 1 470pF 73 GND R131 GND Zm 1 22uF 16V 42721 GND U17 CS4344 9 C140 470 VA Iso AQUTL Z 76 R136 R135 MC33079 SYS_IN_DATA 4 sh 26 5 SYS_IN_BCLK gt 22uF 16V 3 83k 1 1 8k 1 118 SYS_IN_WCLK OD 3 LRCK RIJE cual RIZO SYS_IN_MCLK 4 K 100k 1x 470pF 8 cul 675 css GND R132 LA ze 3 32k 1 0 1uF 22uF 16V 0 1uF 22uF 16V GND GND MONITOR DAC 10 0k 1 REVISION RECORD LTR ECO N0 APPROVED DATE e MAIN LEFT OUT RIB MAIN_LEFT lt laj 2 ano JY 6314 01 340 1 sum GND a C MAIN RIGHT OUT MAIN RIGHT lt AVY im
59. D DRAWN DATED 9 79 0350 P MARESH JKHO 10 26 2005 cuu UBOMNCOTA SCH I RELEASED DATED SCALE SHEET 1 3 2 1 oO yn C3 4VA REVISION RECORD 4 LTR ECO NO APPROVED DATE 1 4 INPUT 633079 1 s 1 e 37 220 16V RESA AA 0 1x ENO 0 1uF 459 22UFI6V A A I0 0k 1x on Y 144148 C112 C124 R62 R63 3 92k 1 Z 1 Zi PEAK 470pF 7 wer als UV e e REIN A AL q omn R112 22uF 16V 100k 1x POTIA R78 m horrors A i A 50V POTIB 5 a 4 2200uF 6 3V 18 2 ohm 1 GND VE S ES CHI GUITAR IN EN Y 1 4VA 015 016 A zr RO 9 D 3 scans R49 A 244403 24403 3l MC33079 R104 e 220 6 BER 1 ADC O 1 x 100 ohm 100k 1 100k 1 GND RIS RUZ R55 SR52 SR51 SS R54 121 1 00 3 32k 1 i 15k 15k S isk S15k DIO D5 R95 vie 1N4148 IN4148 1 21k
60. EMATIC CHANGES PCB CHANGES MAIN PCB REV D Confidential Alesis Service Manual 8 31 0137 A 1 REVISION RECORD 3 BYPASS CAPS LTR ECO NO APPROVED DATE 5V USB uP iis sv R4 ohm 2 pue 657 c22 c47 C19 22uF 16V U S B U t Pur 167 ur zur C2 al 2033 2 GND GND 007 00 e ad RESET MRESET PLT 200 HUF ras RESET Red E PLO MDC NE PERSISTENT MEMORY m m vBUS LL al PUR LI MDI QUT LED EN 3 3V O 0 MIDI ED V 0 4 ANZ ohm TX EM 513 SPOR RESET 43 3V A GND ohm 1X e un 5 SPDIF SELECT
61. Ei e 87 C88 R19 se ES RB n M 4 em mE on i LA 2208 25 i Mar cs BE R50 8 m ON I 52 e SZ R54 M MIR55 rs S umn 05 04 DIO 10 EZ S um ua 06 R39 ann 08 R57 55 2271 ei EKTO TEE d e D uo e sul TENE 7 25 tum He on in E 3 F x HEH Hr mt Bee E R98 were Wai a unn umm aromajn 3 LH Reo HHHHHHHHHH ia mm o HE mm M np LM m Er E i U13 55 mne ex mem org HHHHHP sz e e m U16 Rus LILII EI nl Mo wa UBO MAN ND M Hcccco meeeee meeeoo 9 40 0350 D 000000 00000 ECL 29 000 11 28 05 EE HU e 141 SINE m JK R134 R135 DRAWING UB0MND Rev D Last Revised RevChange Documen t 12 1 2005 Suggested Performed SCH PCB CAM by DATE DATE Description of change Reason for change TOP LEVEL CHANGES X X SOP 10 26 2005 Change all text from Rev C to SOP x x SOP 10 26 2005 update all Part Types SOP SOP 10 26 2005 Review Integrate all outstanding ECNs SOP x x MBL 11 16 2005 AWS 2 1 2005 Reduce gain on guitar inputs by 3dB Inputs will clip with standard guitar and gain at mini
62. J CJ l gt D 8 nunu nunu uu E E 2 uu EH nu HEHE uu n uun Eum u uu uu uu mun mumm lili NH nuu TT NH BENE NH HIH mm uu 1 DU BERN m mu BERN S 4 nunu TIT 2 S nn un SON nnnn Z L UD S i nn uu uu HEN um HH uu BEE mH uuu um HEN unum ES BER mununununu T HE ge uni uu a dam E TUTTO m laj E uii um TTTTTTITT m muumun sss sam wa NINN u m NIU m uuunun u num Bun num Bun Bun ALESIS 9 40 0350 BOTPASTE ALESIS 9 9 0550 r BOTTOM ASSEMBLY DRAWING 95 MIR22 7 R20 Han L o e E R27 05 kap zo ekkar meka nun 104 e zu HHH R49 C106 laj TER com elites mim m e co HM meo m e 22 cn 34m B m R35 52 SM A eel B M R37 m m mm Ad S o 7 cioj T
63. L gt INPUT SOURCE SELECT 10UF 16V 3 3V 2 N outi 5V_FULL 4VA 5 Ls e A A A GND L 4 137 cat MN vourB 09 48 ur Tr ST E OFF 6 GND Daur 22uF 18V ouF TPS60403 exp v VCC va GND GND Has 2 ub tk 100uF 35V SYS OUT WCLK 2 NIS QUT 4 RIO3 BA A A 100 TD sys IN Tour iv 35 Nu uF GND SYS_OUT_MCLK Sige QUI PE A AAO Y IN 43 3 e SPDIF SYS_OUT_BCLK 0073 RIMA AO TD sYs_IN_BCLK TAS1020_IN_BCLK 14 IN4A OUT4 12 R103 I ADC_IN_DATA gt SYS_IN_DATA GND SPDIF DATA Bas ME V m 0 SPDIF SELECT D SELECT 2 1 TLP181 15 STROBE ZONE IE 5V_FULL 74AHC157 5 E GND p MBT4401 50V PHANTOM POWER d de PWR EN Z NC Tur PHANTOM_PWR_EN FDC6306P m c9o 01 GND 470pF 70 m id END em SESS d GND C26 VIN R47 3 3V Jin itm 510k 47uF 63V A COMPANY ii me ALESIS A 2 N C k GND 05 e R53 10 0k 1x 74Lveici7 C24 TITLE 27 100k 1 GNI U B 0 4 RB 4 6 A em c109 U10 6 i LM3578A GND e ANE 2200 1857 MICRO POWER SPDIF VIDI ces 7 9 PART NUMBER 9 40 REV 4 n 9 40 0350 C GND ar NC 4 ASSY NUMBER 9 79 GN
64. TIC UBO 9 15 0405 LENS TINTED PLASTIC UBO 9 15 0406 KNOB PLASTIC ELECTROPLATED UBO 9 23 0018 FOOT RUBBER DOME CA TOP LEVEL ELECTRICALS ASSY PCB MAIN UBO ASSY PCB FRONT PANEL UBO 9 79 0350 0 15 0101 ASSY PCB MAIN UBO RES 100 OHM 1 10W 5 0805 R1 2 R4 R24 R66 R93 R104 R115 0 15 0109 RES 1 0 OHM 1 10W 5 0805 R12 15 R42 45 R97 R119 0 15 0152 RES 1 5K OHM 1 10W 5 0805 R17 0 15 0153 RES 15K OHM 1 10W 596 0805 R34 37 R51 52 R54 55 0 15 0221 RES 220 OHM 1 10W 5 0805 R9 R101 0 15 0331 RES 330 OHM 1 10W 5 0805 R11 R61 R71 0 15 0473 RES 47K OHM 1 10W 596 0805 R38 39 R56 57 R98 100 0 15 0514 RES 510 OHM 1 10W 5 0805 R47 0 15 0750 RES 75 OHM 1 10W 5 0805 R16 0 16 1001 RES 1 00K OHM 1 10W 196 0805 R3 R5 6 R18 R20 21 R23 R85 86 0 16 1002 RES 10 0K OHM 1 10W 1 0805 R7 R25 26 R28 29 R41 R48 R65 R69 0 16 1003 RES 100K OHM 1 10W 196 0805 R27 R32 33 R40 R49 50 R53 R68 R79 0 16 1182 RES 11 8K OHM 1 10W 196 0805 R134 135 0 16 1211 RES 1 21K OHM 1 10W 1 0805 R67 R76 77 R88 89 R91 R94 95 0 16 1302 RES 13 0K OHM 1 10W 1 0805 R121 122 0 16 1829 RES 18 2 OHM 1 10W 196 0805 R78 R90 0 16 2001 RES 2 00K OHM 1 10W 196 0805 R10 R60 R64 R70 R74 0 16 2749 RES 27 4 OHM 1 10W 196 0805 Page 1 R19 R22 0 16 2941 RES 2
65. _OUT_BCLK MIDI OUT LED EN Nc 7421 VREN CSYNC Y OUT WELK 5 SB_LED_EN NC 1 RESET CSCHNE TASI020 IN WCLK GND CRESET TAS1020 IN BCLK EN NC 20 NC SDA IIC DATA 48 XTALO 265 IC CLK 1 47 XTALI PLLFILO O LLFILI LH 3 92k 1 t 6 MHz PENOS AGND 107 C103 5 3 3 3V 108 104 a 45 13 LL 1000 BLM21BB1215NI TapF 18pF C51 0 1uF c59 j C50 tuF CD 22uF IBY GND 54 ore GND e Vi 45V A 5V_FULL YA b 0 DIG IN U6 RXP7 OLRCK A TEN 2 3 PUNET SPDIF DATA SPDIF_RxP CH 3 e O Ng RXP3 OMCK SYS_OUT_MCLK LA P3 csl e cel RMCK SPDIF_MCLK Mm Pal RXPO GPO0DO 5 22uF 16V 22uF 16V 0 1uF Sor me E RXEO RO po TERR de 4 AD2 6P02 8 RIDON A A 47k 0685 0 PWR_EN SPDIF RESET CD RST A _ SPDIF_RXN CH FDC6306P GND CRIP SDA CDOUT DATA SCL CCLK fe IIC CLK Ne C130 1000pF 4 e me luis 3 3VA_FULL RRA 7 22 58416 2 UT GND 0 022uF 3 32k 1 OD DIG OUT C3 3 3V CFILT RFILT J2 B Q PLL FILTER FOR CHIP SPDIF_TX AAA 129 6 45V GND S PDIF RECEIVER 7 220 X 5 c38 37 C40 n ER9 5 GA pm pru CTRL EN G FDC6306P Daur 22UF 16V R24 lt 98 4 100 ohm U7 B 100pF Di RS V E R R R23 R21 GND m 10 0k 1 V 1 00k 1X Z1 00K 1 m 3 3V VIE CONTROL Oo men a
66. _OUT_LEFT it GND O EE Li CD HAVA A COMPANY 5 al ALES yi8 E TITLE Y 0 1uF n MC33079 0 0 OUTPUTS CONVERTERS 475 PART NUMBER 9 40 0350 REV ASSY NUMBER 0 79 DRAWN DATED 9 79 0550 P MARESH JKHO AWS 3 13 2006 FLENAME UBOMNEO1A SCH SIZE RELEASED DATED c SCALE SHEET 3 OF 3 Air ered e 15 000000 TP e MAIN LEFT EM 2 74 K lt e Ws 58 56 X NI 74 e so N C73 C74 C69 e Y 2 oN oN H C84 MN com e E UN oo X HE 000000 eeeeee X UB MAIN 9 40 0350 3 14 06 JK ASSEMBLY DRAWING MAIN RIGHT o x 4 65 5 32 nC 5 wll C60 B a Jt M C81 N 067 N m ALESIS 9 40 0550 E TOPPASTE MIDI OUT l Me DEO v E C60 em i e ii mi Le ky i E C65 Zo GAS ad C66 C47 OJ ce E C49 55 c52 0677 X 58 E To gr 074 C78 o C70 v c71 Sik X C75 in c76 en ALESIS DTP1 UBO MAIN PCB 9 40 0350 E 3 14 06 JK ad ALESIS 9 40 0350 E TOPSILK T 0 0 m 5 4 00 00 mo
67. care to follow the warnings written on the product itself and in the operating instructions Keep the operating instructions and safety suggestions for reference in the future 1 10 11 Power Source The product should only be connected to a power supply which is described either in the operating instructions or in markings on the product Power Cord Protection AC power supply cords should be placed such that no one is likely to step on the cords and such that nothing will be placed on or against them Periods of Non use If the product is not used for any significant period of time the product s AC power supply cord should be unplugged from the AC outlet Foreign Objects and Liquids Take care not to allow liquids to spill or objects to fall into any openings of the product Water or Moisture The product should not be used near any water or in moisture Heat Do not place the product near heat sources such as stoves heat registers radiators or other heat producing equipment Ventilation When installing the product make sure that the product has adequate ventilation Improperly ventilating the product may cause overheating which may damage the product Mounting The product should only be used with a rack which the manufacturer recommends The combination of the product and rack should be moved carefully Quick movements excessive force or uneven surfaces may overturn the combination which may damage the product and rack
68. dH 3 w 3 eH qox vs LJ es a zz rz min 23 vio CIO 5 sel du Cl DE rm EES asn 12 1 14 Elza a JIN 221 NIVO IHO 8 8 lt 0 0 6 sisaTv 71 y 99 _ m mm 62 Sn EVE 10 9298 60 LU S dd HE Wa ud zz 012 E 6 la izo 18 1 ALESIS 9 40 0578 B Tu J 9 0 uvvvvo 33 uzez b E ng rapi e e HI I L emeeee ALESIS 9 40 05 8 TOPSMK ALESIS 9 420 0576 D URILLDWG I mm 34 5mm Max radius 1 6mm 0 063 3 places 2a Em Omm mM A MOYO OO mio 0 TO EE X mp X gg A p x X Design rules used 0 008 lines 0 008 space Two layer design SYM TOL Surface mount parts on top side only Material 0 062 0 007 thick glass epoxy FR 4 green gt 1 oz copper layers finished 64 YES 73 0 5 Finish SMOBC Hot Air Level Hole sizes are finished diameter after plating 62 ag 3 0 with 0 0010 minimum plating all surfaces ees 14190 quee Except 20 mil whose finished size is unimportant Drilled holes are 0 003 tolerance Layer to layer registration to be 0 005 Soldermask all exposed copper LPI GREEN color
69. es ore finished diameter after ploting with 0 0010 minimum plating all surfaces Except 20 mil via whose finished size is unimportant Drilled holes are 0 003 tolerance Layer to layer registration to be 0 005 Soldermask all exposed copper GREEN color Silkscreen using epoxy based ink white Surface to be flat within 0 010 in in of diagonal measurement Vendor shall etch silkscreen or stamp 1 0 logo and date code type designation and UL flame rating on top side of PCB NO COPPER MAY BE DELETED Soldercoat both sides to standard J STD 003 Finished pcb shall have 0 0035 min dielectric material between consecutive conductor layers when cured Mechanical dims are 0 005 tolerance Workmanship and acceptance criteria shall be in accordance with IPC A 600 Class 1 ALESIS 9 40 0550 C PWRPLANE LAYER 5 co 1 Y Tun x tse m s m ES e e sz o OH e 00 00 mb aor 9 at uu md BE BERE AN E nues n Sun uu Olga ex nn unuman uuo e Ni ET Sm e a ec ane ou e LL ET dw ss o fa NES a as 12 TAD HHA ee mu g ninio m MORE KUN I o m 19 9 eui uini e m
70. esl 3 C81 cis Leal 6 E C60 9 nm C677 ALESIS UBO MAIN PCB 9 40 0350 10 26 05 21 ALESIS 9 40 0350 C TOPSILK e s e 5 4 00 00 mo ee He 4 sore ee ALESIS 9 40 0550 TOPSMK ALESIS 9 40 0550 C TOPTRACE ALESIS 9 40 0550 GNDPLANE LAYER 2 125 0mm REL 143 0mm 5 0mm VSCORE HERE VSCORE DETAIL 45 DEG PCB SIDE VIEW VSCORE HERE SIZE QTY SYM PLATED TOL 241 YES 3 68 YES 3 79 O ves 3 2 yes 3 22 X yes 3 8 MI ves 3 2 ves 3 22 ves 3 100 4 2 ves 3 125 1 2 ves 3 126 2 No 3 157 5 4 ves 3 Cn gt Design rules used 0 008 lines 0 008 4 layer design Surface mount parts on top and bottom sides Material 0 062 0 007 thick glass epoxy FR 4 green 1 oz copper all layers finished Finish SMOBC Hot Air Level Hole siz
71. ma 92 T R21 ces RS a 58 ET keo ces ci U6 02 lo 00 ms J R3 y R27 05 o n ee QI R28 2 3 R29 C104 cii R32 CIDO yy cus R49 o R47 OOO Teme se R34 R35 R36 R37 cm R54 R55 0 C109 R56 Q9 is ka 838 ps po FS R140 Q6 R39 08 R57 20 R59 RISC ju7 HE is Bea 1 7 TEE Res cns Lm AT 0124 cm LJ 2 RE R68 HI e S R72ee amp 003 R100 EA R98 R99 l or HLT Ta 5 E R8 3 Rag CRo 2 108 LE 31190 Jue EXER 6 Re RIO on T I 58 11 mw 32 s e U16 Jens u OT UBO MAIN PCB 2 5 9 40 0350 D 28 R131 2 5 R132 M 28 05 141 HE E 142 R134 R135 ALESIS 9 40 0350 D BOTSILK L ALESIS 9 40 0350 D nunu uu mum nun T Nu kE NE nunu I ma kiu nu uu nu SG mm mm S N 7m EL 4 Sun V GNS un uu m HHH lili uu uu om BOTPASTE AL Lo UOS USD BOTTOM ASSEMBLY u
72. moj ALESIS 9 40 0578 C TOPSMK ALESIS 0 IP mm 34 5mm Max radius 1 6 0 063 3 places 93 0mm Eso O mm m m myo mn mi 0 m TU Ee X mpm A mm t o o c 9 oF o Design rules used 0 008 lines 0 008 space Two layer design Surface mount parts top side only Material 0 062 0 007 thick glass epoxy FR 4 green 5 1 oz copper all layers finished YES 5 0 5 Finish SMOBC Hot Air Level Hole sizes are finished diameter after plating 5 Paka 3 0 with 0 0010 minimum plating all surfaces 63 20 ves 3 0 Except 20 via whose finished size is unimportant 63 2 Drilled holes are 0 003 tolerance Layer to layer registration to be 0 005 18 Soldermask all exposed copper GREEN color Silkscreen using epoxy based ink white 0 Surface to be flat within 0 010 in in of diagonal measurement Vendor shall etch silkscreen or stamp 1 0 logo and date code type designation and UL flame rating on top side of PCB NO COPPER MAY BE DELETED Soldercoat both sides to standard J STD 003 98 4 x 335 Finished pcb shall have 0 0035 min dielectric material between consecutive conductor layers when cured 98 4 x 276 Mechanical dims are 0 005 tolerance Workmanship and acceptance criteria shall be in accordance with IPC A 600 Class 1
73. mum x MBE 144 2005 Ghange headphene volume controlto pre Master volume This is done on the Front Panel PCB Add 100ohm resistors between input DC blocking caps C25 Protect negative voltage regulator from damage due to short This MBL 11 14 2005 AWS 1 29 2005 30 31 35 and protection diodes D3 10 was implemented as rework pre production so there is no ECN Resize holes on MIDI jack footprint 49 2mil for shield x AWS 11 28 2005 AWS 1 28 2005 43 3 mil for other pins Yahourng request x AWS 11 28 2005 AWS 1 28 2005 Resize holes on XLR jack footprint Yahourng request x AWS 11 28 2005 AWS 1 28 2005 Modify 10mm PEB PCB board edge to 13mm Yahourng request x AWS 11 28 2005 AWS 1 28 2005 Modify footprint of 1 08 0222 for 1mm hole size Yahourng request x AWS 11 28 2005 AWS 1 28 2005 Unplate corner mounting holes on main pcb Yahourng request Note A new solderpaste stencil IS required Components were added SCHEMATIC CHANGES PCB CHANGES MAIN PCB REV G Confidential Alesis Service Manual 8 31 0137 A 6 5 4 5 2 1
74. n 08 en e Had e EE e tr n imm om 00 00 mike enc on E oli 5 i zes MET REM pir e mt met x PIE EE EEEN MN 9 ov e me eu um eo a Erte a onenmeom Tr a 7 SP m ae m O LU so UN 2 68 Nan A melt ika Hite m e n m mino E 1 1 008888 ALESIS 9 40 0550 F BOTSMK 5 e cs C87 C88 LI Cie Estr r LE R20 R8 2 R9 90 hs En 96 C97 RIO Q 1 R32 100 css ns PC R34 R35 R36 RS Ta 8 ug T UB e 03 04 C101 5 RISB R40 6 ee _ e ms E o R68 cn cm C109 05 08 09 10 1624 s c98 pes R110 88 JE IR VIZ 55 Rio R121 hus m 1 38 rm T R12 R123 5 eier R128 As e Gm wg UBO MAIN PCB 2 9 40 0350 R129 5 5 17 06 R131 3 8 JK cia amp 142 R134 R135 ALESIS 9 40 0350 F BOTSILK R49 C106 E EJI IES un R51 R52 Q9 R7 ke R16 R19 C C95 R22 Us 25 25 R27 05 o ee s E R29 C104 R58 R56 Q8 R57 TP2D R59 C12 C124 R100 R98 R99
75. pF LI CELA 71 330uH O GND 100uF 35V E GND s aL ui C26 3 3V IN ILIM 510k 47 63 COMPANY ALESIS Q 2 N e 5 B ve 853 10 0k 1x JAUNE C24 TITLE 7 P UBO MAIN c 100k 1x 5 10 Uio e EAN lt a 2 MIDI OUT cm cuz Cr st i 220 RIZA A MICRO POWER SPDIF 74LVC1617 9 PART NUMBER 9 40 0350 D REV D 5 470pF 470pF GND 4 ASSY NUMBER 9 79 GND DRAWN DATED 9 79 0350 P MARESH JKHO AWS 11 28 2005 ruename UBOMNDOTA SCH sat RELEASED DATED SCALE SHEET 1 3 6 5 4 5 2 1 4 REVISION RECORD C34 LTR ECO NO APPROVED DATE 1 4 INPUT 033079 C374 di 1 e 22UFAGV R amp S A A A ABK 1 0 1uF
76. s just a little tight which would make manufacturing more difficult ALESIS HISTORY Confidential Alesis Service Manual ALESIS ENGINEERING CHANGE NOTICE 5070944 PRODUCT S UBO DATE 31706 ASSEMBLY S 272035070 CHANGE TO BE MADE WAS 9 40 0350 MAIN UB0 REV E IS 9 40 0350 F MAIN REV REASON FOR CHANGE lt lt lt 5 lt lt lt 1 MATERIAL DISPOSITION Mark X on all that apply USEASIS APPLY CHANGE S SCRAP ON ORDER WIP STOCK RETURNS PROJECT ENGINE BOM UPDATED UPDATED GINEER DIRECTOR SINITS WORK ORDER UPDATED _ 972748 COORDINATOR _ CONTRO A y 5 S E 3 3774 ALESIS ENGINEERING CHANGE NOTICE APPROVAL 1007401 PRODUCT S UBO DATE 31506 ASSEMBLY S 3799908 CHANGE TO BE MADE WAS 9 40 0350 D PCB MAIN UB0 REVD IS 9 40 0350 E PCB MAIN REV E REASON FOR CHANGE
77. ss epoxy FR 4 green Finish Must be lead free Hole sizes ore finished diameter after ploting Design rules used 0 008 lines 0 008 space E 1 oz copper all layers finished SMOBC HASL if available with 0 0010 minimum plating all surfaces Except 20 mil via which MAY be plated closed Drilled holes are 0 003 tolerance Layer to layer registration to be 0 005 Soldermask all exposed copper LPI GREEN color Silkscreen using epoxy based ink white Surface to be flat within 0 010 in in of diagonal measurement Vendor shall etch silkscreen or stamp 1 0 logo and date code type designation and UL flame rating on top side of PCB NO COPPER MAY BE DELETED Soldercoat both sides to standard J STD 003 Finished pcb shall have 0 0035 min dielectric material between consecutive conductor layers when cured Mechanical dims are 0 005 tolerance Workmanship and acceptance criteria shall be in accordance with IPC A 600 Class 1 ALESIS 9 40 0550 PWRPLANE LAYER 3 e H ee 6 o o 0 m e 9o 30 sete uer ou OS u e smn e mu tumi inas 00 00 nis dues e ann lolio Un elel mamno NON uu HN 1 e eiii uu un e Ka 011111 BE uu m mi li Hah BE uu BR ERR E n ae D uu 0 Panne 4 o NI
78. t operating maintenance and servicing instructions in the literature which accompanies the product REPAIR BY ANY PERSON OR ENTITY OTHER THAN AN AUTHORIZED ALESIS SERVICE CENTER WILL VOID THE ALESIS WARRANTY PROVISION OF THIS MANUAL DOES NOT AUTHORIZE THE RECIPIENT TO COMPETE 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 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 Regarding the Power Supply Fuse CAUTION The product under service may employ the use of a replaceable fuse Danger of fire or electrocution if fuse is incorrectly replaced Replace with only the same type or equivalent type recommended by the equipment manufacturer Regarding the Internal Battery CAUTION The product under service may employ the use of a internal battery Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instruction Confidential Alesis Service Manual 8 31 0137 A Safety Instructions Carefully read the applicable items of the operating instructions and these safety suggestions before using this product Use extra
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