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Alesis BassFire 60 Service Manual

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ALESIS
BassFire 60 (GB0)
Service Manual
P/N: 8-31-0159-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
8-31-0159-A

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Summary of Contents for Alesis BassFire 60

  • Page 1 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.
  • Page 2 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 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.
  • 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: Safety Instructions

    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 e. The enclosure of the product has been damaged. Confidential Alesis Service Manual 8-31-0159-A...
  • Page 6 ALESIS BassFire 60 (GB0) Test Procedures Confidential Alesis Service Manual 8-31-0159-A...
  • Page 7 GBO TEST Procedures Panel function introduces. INPUT jack: connect to GUITAR output signal, mono model. TUNER switches: Have three functions: program switch, bypass, mute. Program switch: while in PLAY mode, the Program Up button increases the program number, and the Program Down button decreases the program number. Bypass: in which the audio signal from your guitar simply passes through the Bassfire without being affected.
  • Page 8 S0~S9 SP L0~L9 LP A0~A9 P0~P9 PU Pd Off mode: OF PARAM: This parameter modifies the operation of the effect selected for the FX1 module. 4.8 FX2: has 109 Performing modes and one off mode. Performing modes: U0~U9 UP h0~h9 hP t0~t9 tP y0~y9 yP S0~S9 SP...
  • Page 9 the number showed on the display will increase and the volume will increase. Vice versa. 5.3 to store a Program: in Play or Edit mode, press the VALUE knob. The display will flash the current program number. Use the Program Up and Down buttons, VALUE knob or the optical footswitches to select the program number where the current program will be stored.
  • Page 10 details of display please refer to panel function introduction.) 2.2 “COMP/LIMIT” testing: rotate the “EFFECT” knob one click to the right(so the indicator points to “COMP/LIMIT”, connect musical signal to unit, rotate “VALUE” knob, verify output signal changing. 2.3: “DIST” Performing mode testing: rotate the “EFFECT” knob one click to the right(so the indicator points to “DIST”, connect musical signal to “INPUT”...
  • Page 11 ② THD+N: 1%±0.01( when THD @1% output power over36mW) ③ RESIDUAL NOISE: 0.2mv±0.1mv （set to MUTE, FILTERFREQ：20KHz) ④ Output Frequency Respond: 300HZ~14KHZ/-3dB ⑤ Plug/unplug “HEADPHONS” no pop noise. AMP board note: if no special require, all testing under below condition. A: from “AUX INPUT”...
  • Page 12 7. Press and release the footswitch connected to the Verify the display shows “PL” “DOWN” footswitch inputs 8. Press and release the footswitches at the same time. Verify the display shows “Pb” 9. Press and release VALUE knob Verify the display shows “ES” 10.
  • Page 13 1. Hold down VALUE knob, and turn on power, verify that display flashes ‘AL’ 2. Press and release VALUE knob, verify that ‘ AL’ flashes rapidly a few times, then continues flashing at the previous rate. 3. Rotate EFFECT knob so that the indicator points to COMP/LIMIT, verify that display shows ‘OF’ 4.
  • Page 14 1. Unit does not fuction. Unit not plugged in Make sure the power is plugged into a proper AC outlet. Fuse is blown Replace with proper one Check DC voltage Check the winding of Change with +/-15V, 5V,3.3V transformer short proper one normal or not circuit or not...
  • Page 15 2. Display normal but not audio output Source no signal output Change signal source or cable connection failure. and cables. Volume Pot damaged. Replace with proper one Speaker damaged. Replace with proper one Pre-AMP circuit and POWER TRANSISTOR self-protect component short circuit or short circiut or disconnection.
  • Page 16 3. Audio normal but not display Only when feed signal to Connect signal to front rear penal AUX INPUT penal INPUT jack. jack unit will has audio output Display and relative components damaged or Check DC voltage short circuit disconnection +/-15V, 5V,3.3V normal or not Replace with proper one...
  • Page 17 ALESIS BassFire 60 (GB0) SCHEMATIC FILES Confidential Alesis Service Manual 8-31-0159-A...
  • Page 18 GAX_MAIN_V1.1.sch-1 - Mon Feb 28 16:17:24 2005...
  • Page 19 GAX_MAIN_V1.1.sch-2 - Mon Feb 28 16:17:26 2005...
  • Page 22 接线图.sch-1 - Mon Feb 28 16:08:43 2005...
  • Page 23 功能方框图.sch-1 - Mon Feb 28 16:07:56 2005...
  • Page 39 ALESIS BassFire 60 (GB0) Confidential Alesis Service Manual 8-31-0159-A...
  • Page 40 Ф5.6*Ф3.2*0.8mm,spring steel,spring washer,black 70090009 gasket 1 锁晶体 zinc CC000012 semi-finished:GB0 inputtingALESIS GAX INPUT_V1.1/ MAIN_V1.2 GAX INPUT/ MAIN,FR4 double panel,AN- 26020004 1 ALESIS GAX INPUT_V1.1/ MAIN_V1.2 B20004,green,V1.1/ V1.2,2ounce 11180004 SMT multi-layer 1/16W,100 OHM*4,±5%,0603,8P 1 R27,R32,R37,R38 11180007 SMT multi-layer 1/16W,1K OHM*4,±5%,0603,8P 1 R24,R25,R26...
  • Page 41 14040283 LD1117S33,SOT223,ST 1 U1 14040093 AT24C16AN-10SI-2.7,SOP8,ATMEL 1 U8 14040276 AL3201B,SOIC16,ALESIS 1 U11 14040282 AL3102/1KS,SOIC16,ALESIS 1 U10 14040081 UDA1345TS,SSOP28,PHILIPS 1 U12 14040302 SM89516C25Q-24,QFP44 1 U7(先烧录后贴焊) 0.47uF/16V,±20%,85℃,Φ5*11mm,P=2.0mm,black, 17010304 1 C22 cutting the pin to be 6mm 22uF/16V,±20%,- 17010139 40/+85℃,Φ5*11mm,P=2mm,black,cutting the pin to...
  • Page 42 11130040 1/8W,1KΩ,±5%,brede style 1 R8,R9,R14,R29,R32,R38 11130051 1/8W,2.7KΩ,±5%,brede style 1 R15,R21 11130052 1/8W,3K,±5%,brede style 1 R50 11130059 1/8W,4.7KΩ,±5%,brede style 1 R10,R23,R53 11130060 1/8W,5.1KΩ,±5%,brede style 1 R2,R16,R20 11130061 1/8W,5.6KΩ,±5%,brede style 1 R3,R24 11130066 1/8W,9.1KΩ,±5%,brede style 1 R44 11130067 1/8W,10KΩ,±5%,brede style 1 R6,R40,R41,R11,R46 11130075 1/8W,18KΩ,±5%,brede style 1 R28...
  • Page 43 16040383 socket wire AN-W4M6,1P,18#,UL1007,640mm,red 1 SP+ TO 喇叭+ 16040384 socket wire AN-W4M7,1P,18#,UL1007,640mm,black 1 SP- TO 喇叭- 16060028 ground wire AN-W628,18#,UL1015,150mm,yellow with green 1 DGND 30020021 fibre bushing ф1.0*10mm*0.2mm,white 1 套热敏电阻Q13 30020030 fibre bushing Φ1*0.3mm,white 1000 80160010 12"woofer AN-LG10,60W,8ohm,protuding cap(FR305B8-19W) PCS EE000008 packing:GB0 90040232...