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Confidential

Alesis Service Manual

8-31-0063-A

Safety Suggestions

Carefully read the applicable items of the operating instructions and these safety 
suggestions before using this product. Use extra 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.

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.

2.

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.

3.

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.

4.

Foreign Objects and Liquids.  Take care not to allow liquids to spill or objects to fall into any 
openings of the product.

5.

Water or Moisture.  The product should not be used near any water or in moisture.

6.

Heat.  Do not place the product near heat sources such as 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 cause overheating, which may damage the 
product.

8.

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 combination.

9.

Cleaning.  The product should only be cleaned as the manufacturer recommends.

10. 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.

11. 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

e.

The enclosure of the product has been damaged.

Summary of Contents for Studio 32

Page 1: ...ereby 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...

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: ...resence of important 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...

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 c...

Page 5: ...ing D C shorted capacitors Operational symptoms may include No power up All L E D s are dim or pulsing but 48 v phantom will operate correctly if enabled Solution Remove D C power cables the main P C...

Page 6: ...Confidential Alesis Service Manual 8 31 0063 A ALESIS Studio 32 X4 SCHEMATIC AND PCB FILES...

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Page 17: ...x4pse01b sch 1 Tue Apr 09 15 03 02 2002...

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Page 21: ...X4RPB SCH 1 Tue Apr 09 15 09 29 2002...

Page 22: ...X4RPB SCH 2 Tue Apr 09 15 09 42 2002...

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Page 26: ...Confidential Alesis Service Manual 8 31 0063 A ALESIS Studio 32 X4 BOM...

Page 27: ...ABLE TOP STUDIO 32 X4 UK 1 7 04 0011 FUSE 630mA 250V 5x20mm T TIME LAG 1 7 40 0012 TRANSFORMER TORROID POWER 220 240V X4 1 7 41 0004 CABLE POWER UK 1 7 51 0030 TAG POWER UP HANGING REV A 1 7 53 0107 S...

Page 28: ...4 MIL 1 FOR UNIT 9 02 1010 RACK EAR 1 60 SECC X4 2 9 03 0014 COVER TRANSFORMER SHIELD X4 1 9 03 1189 CHASSIS TOP MAIN X4 REV G 1 9 03 1190 A CHASSIS BOTTOM MAIN X4 REV A 1 9 03 1270 HAND REST ALUMINU...

Page 29: ...R59 0 00 0331 RES 330 OHM 1 8W 5 2 R86 R124 0 00 0332 RES 3 3K OHM 1 8W 5 1 R136A 0 00 0470 RES 47 OHM 1 8W 5 8 R7A 0 00 0472 RES 4 7K OHM 1 8W 5 14 8 R6A 1 R71 1 R73 2 R85 1 R137A 1 R138A 0 00 0512...

Page 30: ...6 R37 8 R55 1 R107 1 R108 1 R109 4 R135 2 R146 2 R150 4 R204 0 90 0105 RES 1M OHM 1 8W 5 CFR VM 1 R202 0 90 0112 RES 1 1K OHM 1 8W 5 CFR VM 17 1 R36 16 R56 0 90 0123 RES 12K OHM 1 8W 5 CFR VM 16 16 R1...

Page 31: ...1 09 1100 CAP 10uF ELEC 20 25V 1 5x4x7mm 1 C201 1 20 0152 CAP 1500pF FILM 5 16 16 C9 1 20 0224 CAP 0 22uF FILM 5 50V 48 16 C4 16 C5 16 C6 1 20 0471 CAP 470pF FILM 5 50V 16 C10 1 20 0473 CAP 0 047uF F...

Page 32: ...CABLE RIBBON DIL 16 PIN 2 54mm 95mm M F 2 J2 J9 FX AND GROUPS TO REAR 4 70 0112 CABLE RIBBON DIL 12 PIN 2 54mm 600mm M F 1 J7 AUX TO REAR 4 70 1200 CABLE RIBBON 12 PIN 0 1 200mm FDIL MDIL 1 J8 CR TO R...

Page 33: ...2 SETS x 5 PINS 2 SETS x 7 PINS 9 40 0183 A PCB PEAK HYBRID X4 REV A 1 9 79 1255 C ASSY PCB EQ HYBRID 8 0 15 0102 RES 1K OHM 1 10W 5 0805 2 R9 10 0 15 0103 RES 10K OHM 1 10W 5 0805 2 R6 R16 0 15 0105...

Page 34: ...1 C205 1 12 0472 CAP 47uF ELEC 20 63V 2 5x6 3x11mm 33 8 C5 8 C6 8 C11 8 C12 1 C200 1 23 0104 CAP 0 1uF Z5U 10 100V 0 1 2 0x4 0x5 0mm 33 8 C15 8 C16 8 C17 8 C18 1 C201 2 21 4560 IC NJM4560L DUAL OP AM...

Page 35: ...Y X4 1 0 03 0104 RES 100K OHM 1 4W 5 3 R2 R5 R11 0 04 1002 RES 10 0K OHM 1 4W 1 5 R1 R8 9 R13 14 0 04 2670 RES 267 OHM 1 4W 1 3 R3 R6 R12 0 04 2941 RES 2 94K OHM 1 4W 1 2 R7 R10 0 21 6811 RES 6 81K OH...

Page 36: ...N SPADE 1 PIN 0 25 PLATED ALUMINUM PCB MNT 9 J2 10 4 15 0016 HEADER SIL 8 PIN 3 96mm MALE EXT LOCKING 1 J1 4 50 0600 WIRE JUMPER 22AWG 0 6 INSULATED 3 JMP1 3 5 00 0090 SCREW 4 40 x 1 4 PPZ 3 FOR HEATS...

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