Alesis BASSFIRE 60, Service Manual

Page 1: ...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 doc...

Page 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...

Page 3: ...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 OTHE...

Page 4: ...stoves heat registers radiators or other heat producing equipment 7 Ventilation When installing the product make sure that the product has adequate ventilation Improperly ventilating the product may...

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Page 6: ...Confidential Alesis Service Manual 8 31 0159 A ALESIS BassFire 60 GB0 Test Procedures...

Page 7: ...ckwise and anti clockwise 2 EFFECTS setting use VALUE knob to change the parameter Clockwise and counterclockwise 4 1 PLAY In this setting the display shows the current program number It can store the...

Page 8: ...F PARAM This parameter modifies the operation of the effect selected for the FX3 module 4 10 DIGFX has 22 Performing modes and an off mode Performing modes d0 d9 dP b0 b9 bP Off mode OF 4 11 LEVE used...

Page 9: ...ogram numbers The footswitches work in the same way as the Program Up and Program Down buttons 2 EXPRESSION PEDAL connect to EXP PEDAL input signal It is balanced input Connected to B50K potentiometer...

Page 10: ...rify output signal changing 2 10 DIGFX Performing testing rotate the EFFECT knob one click to the right so the indicator points to NR connect musical signal to INPUT jack rotate VALUE knob verify the...

Page 11: ...NK OUTPUT jack testing Condition connect signal to INPUT jack series connect one 470Kohm resistor between ground and signal output parallel connect one 32ohm 1w resistor input sensitivity input 1KHZ 1...

Page 12: ...he indicator points to EQ Verify that display shows S4 and does not flicker 19 Rotate EFFECT knob one click to the right so the indicator points to NR Verify that display shows S5 and does not flicker...

Page 13: ...se 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 Rot...

Page 14: ...the winding of transformer short circuit or not Change with proper one Fix the voltage problems Fix the voltage problems DONE Replace with proper one Make sure the power is plugged into a proper AC o...

Page 15: ...maged Speaker damaged Fix the problems DONE Replace with proper one Change signal source and cables YES YES Replace with proper one YES Pre AMP circuit and self protect component short circiut or disc...

Page 16: ...eplace with proper one Replace with proper one DONE DONE Check DC voltage 15V 5V 3 3V normal or not Check DC voltage 15V 5V 3 3V and display Change U8 on MAIN PCB failure NO NO OK Fix voltage problems...

Page 17: ...Confidential Alesis Service Manual 8 31 0159 A ALESIS BassFire 60 GB0 SCHEMATIC AND PCB FILES...

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...

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Page 39: ...Confidential Alesis Service Manual 8 31 0159 A ALESIS BassFire 60 GB0 BOM...

Page 40: ...CS 1 1 70010082 screw M3 8mm cross round head the head of screwD5 5mm machinery screw black zinc PCS 3 1 70010048 screw M3 6mm cross round head the head of screw is D5 5mm machinery screw black zinc P...

Page 41: ...otary VR AN V12N double connecting A10K RV112B 40E1N 175A A10K A PCS 1 1 VR1 15010163 rotary VR AN V12Q single connecting B50K RV09B 40E1N 165F B50K A PCS 3 1 P2 P3 P4 CC000014 electronic semi finish...

Page 42: ...ck cutting the pin to be 6mm PCS 1 1 C35 17010307 E C 220uF 16V 20 105 6 3 11mm P 2 5mm bla ck cutting the pin to be 6mm PCS 1 1 C12 17010308 E C 220uF 25V 20 105 6 3 14mm P 2 5mm bla ck cutting the p...

Page 43: ...0 0 08mm PCS 1 1 23010021 packing bag PE 120 280 0 08mm PCS 1 1 23010202 packing bag PE 530 440 1060 0 1mm PCS 1 1 23080063 paper card GB0 left knife sheet PCS 1 1 23080065 paper card GB0 right left s...