background image

WARRANTY (Limited)

Electro-Voice products are guaranteed against malfunction due to defects in materials or workmanship for a specified
period, as noted in the individual product-line statement(s) below, or in the individual product data sheet or owner’s
manual, beginning with the date of original purchase. If such malfunction occurs during  the specified period, the
product will be repaired or replaced (at our option) without charge. The product will be returned to the customer
prepaid.

Exclusions and Limitations

: The Limited Warranty does not apply to: (a) exterior finish or appearance; (b) certain

specific items described in the individual product-line statement(s) below, or in the individual product data sheet or
owner’s manual; (c) Malfunction resulting from use or operation of the product other than as specified in the product
data sheet or owner’s manual; (d): malfunction resulting from misuse or abuse of the product; or (e): malfunction
occurring at any time after repairs have been made to the product by anyone other than Electro-Voice or any of its
authorized service representatives.

Obtaining Warranty Service

: To obtain warranty service, a customer must deliver the product, prepaid, to

Electro-Voice or any of its authorized service representatives together with proof of purchase of the product in the
form of a bill of sale or receipted invoice. A list of authorized service representatives is available from Electro-Voice
at 600 Cecil Street, Buchanan, MI 49107 (616-695-6831) and/or Electro-Voice West at 9130 Glenoaks Boulevard,
Sun Valley, CA 91532 (213-875-1900).

Incidental and Consequential Damages Excluded

: Product repair or replacement and return to the customer are

the only remedies provided to the customer. Electro-Voice shall not be liable for any incidental or consequential
damages including, without limitation, injury to persons or property or loss of use. Some states do not allow the
exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to
you. 

Other Rights

: This warranty gives you specific legal rights, and you may have other rights which vary from state

to state.

Electro-Voice Electronics

 are guaranteed against malfunction due to defects in materials or workmanship for a

period of three (3) years from the date of original purchase. Additional details are included in the Uniform Limited
Warranty Statement.

Specifications subject to change without notice.

600 Cecil Street, Buchanan, Michigan 49107, Phone 616/695-6831, Fax: 616/695-1304 

TELEX/EVI Audio Canada, 705 Progress Ave. Unit 46 Toronto, Onatario, M1H 2x1, Canada , Phone: 800/881-1685, Fax: 877/522-2242
TELEX Communications A.G., Keltenstrasse 11, CH-2563 IPSACH, Switzerland, Phone: 011-41/32-51-6833, Fax: 011-41/32-51-1221
EVI Audio Deutschland GmbH, Hirschberger Ring 45, D-94315, Straubing, Germany, Phone: 011-49/9421-7060, Fax: 011-49/9421-706265
EVI Audio France S.A., Parc de Courcerin-Allee Lech Walesa, Lognes, f-77185 Marne La Vallee, France, Phone: 011-33/1-6480-0090, Fax: 011-33/1-6006-5103
EVI Audio Japan Ltd., 2-5-60 Izumi, Suginami-ku, Tokyo, Japan 168, Phone: 011-81/3-3325-7900, Fax: 011-81/3-3325-7789
EVI Audio (Aust.) Pty., Unit 24, Block C, Slough Business Park, Slough Ave., Silverwater, N.S.W 2141, Australia, Phone 011-61/2-648-3455, 
Fax: 011-61/2-648-5585
EVI Audio (Hong Kong) Limited, Unit E & F, 21 /F., Luk Hop Industrial Bldg., 8 Luk Hop St., San Po Kong, Kowloon, Hong Kong, Phone: 011-852/351-3628, 
Fax: 011 -852/351-3329

Summary of Contents for Dx38

Page 1: ...Dx 38 24 BIT DIGITAL SOUND SYSTEM PROCESSOR SERVICE MANUAL...

Page 2: ...Product repair or replacement and return to the customer are the only remedies provided to the customer Electro Voice shall not be liable for any incidental or consequential damages including without...

Page 3: ...ty Architects and engineers specifications Measuring data Bill of materials Service notes infos instructions Spare parts plan Circuit diagrams Electro Voice 600 Cecil Street Buchanan Michigan 49107 Ph...

Page 4: ...into your outlet consult an electrican for replacement of the absolete outlet 1 Security regulations as stated in the EN 60065 VDE 0860 IEC 65 and the CSA E65 94 have to be obeyed when servicing the a...

Page 5: ...ignalprozessoren DESCRIPTION Providing 48 bit filter algorithms 24 bit AD DA conversion and a dynamic range of 115 dB the Dx 38 sets new standards for digital loudspeaker controllers and processors Th...

Page 6: ...ts m moire 50 pour les Programmes Presets d usine et 30 pour les Programmes utilisateur l int rieur du Dx 38 les conversions A N et N A s effectuent en 24 bits lin aires Delta Sigma sur chantillonnage...

Page 7: ......

Page 8: ...g Frequency 192 kHz 2 Inputs 2 x XLR IN electronically balanced 2 x XLR Direct Out Input transformers NRS 90244 are optionally available 2 1 Input Impedance electronically balanced 20 k 2 2 Input Volt...

Page 9: ...6 mm x 374 mm 10 2 Installation Depth Without Connectors 356 mm 10 3 Installation Depth Incl Connectors approx 430 mm 10 4 Weight 5 kg 10 5 Weight with 2x NRS 90244 5 2 kg 11 Standards 11 1 Safety Cl...

Page 10: ...to their clockwise margin 5 measured with service program ORIGINAL THRU level 0 dB all controls set to their clockwise margin measurement via bandpass filter 22 Hz 22 kHz weighting filter set to 20 kH...

Page 11: ...0 dBu with input transformer NRS 90244 installed 04 19 99 17 01 22 THD N vs Level 0 002 1 0 005 0 01 0 02 0 05 0 1 0 2 0 5 40 25 35 30 25 20 15 10 5 0 5 10 15 20 dBu 04 20 99 08 53 11 THD N vs Frequen...

Page 12: ...rmer 0 05 Frequency crossovers 6 12 18 24 dB oct slope Butterworth Bessel Linkwitz Riley Filters 26 parametric equalizers Low Shelving equalizer LPN Lowpass Notch switchable Hi Shelving equalizer 6 12...

Page 13: ...P ROM TEST P RAM TEST EEPROM TEST KEY TEST ENCODER TEST LED TEST DISPLAY TEST RS232 TEST RS485 TEST CONTACT P TEST MIDI TEST DSP RAM TEST HW CONN TEST ORIGINAL THRU SINE WAVE OUT PINK NOISE WHITE NOIS...

Page 14: ...orrupted during the internal reading in the UART IC1 or at the external bridging plug RS 485 TEST The optional RS 485 interface gets tested by sending and reading back data If no error has been detect...

Page 15: ...CAUTION The use of this program should be left to the experienced and well educated service technician Inaccurate calibration can result in the degradation of the dynamic range or even in erroneous fu...

Page 16: ...e Testing The P System During Power On During switching on the unit or performing a hardware reset the indication of the status LEDs D101 and D102 located on the Digital PCB 80449 lets you localize a...

Page 17: ......

Page 18: ...8 EEPROM LCD 122 x 32 DOTS LEDs LEVEL METER KEYBOARD ROTARY ENCODER I O SPI SPI AUDIO CONTROL UART OUT 1 OUT 2 OUT 4 OUT 3 GAINRANGING 24 BIT ADC GAINRANGING 24 BIT ADC IN 1 LEFT MONO IN 2 RIGHT INPUT...

Page 19: ......

Page 20: ......

Page 21: ......

Page 22: ......

Page 23: ......

Page 24: ......

Page 25: ......

Page 26: ......

Page 27: ......

Page 28: ......

Page 29: ......

Page 30: ...LLE 500X700X0 05 poly bag 357961 DAT BLATT EDS DX 38 eds dx38 356216 FB DX 38 BED front panel dx38 356466 BLEND DX38 DSP244 BED panel sub 356218 DEC DX 38 BED cover chassis Platinen printed circuit b...

Page 31: ...56508 KO KER 0 10MF 50V 20 cap ceramic 100nF C0203 301530 KO KER 100 0PF 500V 10 cap ceramic 100pF C0204 301530 KO KER 100 0PF 500V 10 cap ceramic 100pF C0205 301530 KO KER 100 0PF 500V 10 cap ceramic...

Page 32: ...5 C0353 356508 KO KER 0 10MF 50V 20 cap ceramic 100nF C0354 356508 KO KER 0 10MF 50V 20 cap ceramic 100nF C0355 340522 KO EL 10 000MF 35V cap electrolytic 10uF 35 C0356 356508 KO KER 0 10MF 50V 20 cap...

Page 33: ...517 301530 KO KER 100 0PF 500V 10 cap ceramic 100pF C0518 343533 KO EL 220 000MF 25V cap electrolytic 220uF 25V C0519 343533 KO EL 220 000MF 25V cap electrolytic 220uF 25V C0520 356508 KO KER 0 10MF 5...

Page 34: ...021 KO KER 0 10MF 100V 20 cap ceramic 100nF C0710 329021 KO KER 0 10MF 100V 20 cap ceramic 100nF C0711 329021 KO KER 0 10MF 100V 20 cap ceramic 100nF C0712 340522 KO EL 10 000MF 35V cap electrolytic 1...

Page 35: ...KO SO MTB 271 KB FILTER safety component FL302 346765 KO SO MTB 271 KB FILTER safety component FL401 346765 KO SO MTB 271 KB FILTER safety component FL402 346765 KO SO MTB 271 KB FILTER safety compon...

Page 36: ...00UH 1 10A inductor 47uH 1 1A L0801 339139 FERRITPERLE EXC ELDR35C coil L0802 339139 FERRITPERLE EXC ELDR35C coil L0803 339139 FERRITPERLE EXC ELDR35C coil L0804 339139 FERRITPERLE EXC ELDR35C coil L...

Page 37: ...4004 LED GN 3MM LOW CURRENT led green D0010 354004 LED GN 3MM LOW CURRENT led green D0011 354004 LED GN 3MM LOW CURRENT led green D0012 354004 LED GN 3MM LOW CURRENT led green LCD01 356588 DISPLAY LCD...

Page 38: ...LED RT 3MM TLUR 4401 LED red 3mm D0059 336399 LED RT 3MM TLUR 4401 LED red 3mm S0020 348874 SCHALTER TAST 1XEIN SW switch push momentary spst S0021 348874 SCHALTER TAST 1XEIN SW switch push momentary...

Page 39: ...100nF C0008 329021 KO KER 0 10MF 100V 20 cap ceramic 100nF C0009 329021 KO KER 0 10MF 100V 20 cap ceramic 100nF C0010 329021 KO KER 0 10MF 100V 20 cap ceramic 100nF C0011 329021 KO KER 0 10MF 100V 20...

Page 40: ...nung Description JS001 354555 BUCHSE FL XLR 3POL connector xlr female 3 pole JS002 351816 STECKER FL XLR 3POL PRINTB xlr connector male 3 pin X0001 354376 QUARZ 3 6864MHZ HC 49 U crystal 3 6864 mhz No...

Page 41: ...ceramic 100nF C0004 329021 KO KER 0 10MF 100V 20 cap ceramic 100nF C0005 329021 KO KER 0 10MF 100V 20 cap ceramic 100nF C0006 343532 KO EL 100 000MF 25V cap electrolytic 100uF 25V C0007 340523 KO EL 2...

Page 42: ...t number 357007 If the seria lnumber on your Dx38 is lower than 11099 you have to replace the old cable harness by the provided cable harness see drawing By checking the colours of the cables you can...

Page 43: ...ice mode of the DX38 Press the SELECT button to the right side and the EDIT button simultaneously while switching power on The unit will start in SERVICE MODE Step through test menu with the SELECT bu...

Reviews: