Alesis DEQ230 Скачать руководство пользователя страница 8 | Manualshive

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Alesis DEQ230 Скачать руководство пользователя страница 8

DISASSEMBLY PROCEDURES

3.REMOVAL OF FRONT PAREL P.C.B (Fig.3)

(A.) REMOVE THE 3PC OF SUB-PANEL.

Fig.3

D:\S

ER

VICE\DEQ-23

0

.DOC

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Содержание DEQ230

Страница 1: ...reby 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...

Страница 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...

Страница 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...

Страница 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...

Страница 5: ...tent failures such as loose cables or poorly soldered headers Remember to check power supply cables as well Flexing the PC Board Poor solder joints and broken traces can often be found by pressing the...

Страница 6: ...ttons that serve dual purpose to increment decrement gain on a selected frequency band or to select a preset curve from memory Two independent channels of 30 bands of 12dB boost or cut on 1 3 octave c...

Страница 7: ...THE 3PC SCREWS FROM WHICH THE REAR PAREL B TAKE OUT THE 3PC SCREWS FROM WHICH THE TOP PAREL C TAKE OUT THE 3PC SCREWS FROM WHICH THE BOTTOM CHASSIS Fig 1 2 REMOVAL OF MAIN P C B Fig2 A REMOVE THE 4PC...

Страница 8: ...DISASSEMBLY PROCEDURES 3 REMOVAL OF FRONT PAREL P C B Fig 3 A REMOVE THE 3PC OF SUB PANEL Fig 3 D SERVICE DEQ 230 DOC...

Страница 9: ...WIRING DIAGRAM US EU UK AUS NZ D SERVICE DEQ 230 DOC...

Страница 10: ...Packing Diagram US EU AK AUS NZ...

Страница 11: ...D SERVICE DEQ 230 DOC Exploded View US AU UK AUS NZ...

Страница 12: ...T PANEL PT133000101 1 6 LENS NP613ALE01 1 7 BOTTOM CHASSIS MT133030101 1 8 MAIN P C B TWPC01C07401 1 9 SUB PANEL MT1304401 3 10 ASSY FRONT PAREL PCB 9 79 0262 1 11 LED FRAME PT1304301 10 12 RUBBER KEY...

Страница 13: ...ode the EEPROM is checked Verify that the seven segment display DOES NOT read EE The display should read 00 Problems with this inspection indicate that the EEPROM has failed internal diagnostics Failu...

Страница 14: ...this inspection indicate that the DUT cannot continue further testing 6 Press Band Button 3 This button is located on the far left hand side of the unit underneath the column marked 40 This button ru...

Страница 15: ...ay has also FAILED Failure of this inspection indicate that the DUT cannot continue further testing 8 Press the DOWN button Verify that the Channel A signal AND clip LEDs light and that when the butto...

Страница 16: ...failed LED Either type of problem indicate the test has FAILED Failure of this inspection indicate that the DUT cannot continue further testing 11 Press the LINK button Verify that the Link LED lights...

Страница 17: ...LED Failure of this inspection indicate that the DUT cannot continue further testing 13 Press the POWER button Verify that the unit turns OFF Problems with this inspection indicate that the Power butt...

Страница 18: ...has been properly glued and does not extend beyond the front panel 6 Check the silkscreen on the front and rear of the unit for correctness of color and content against the latest design Make sure tha...

Страница 19: ...ers on Adjust input trim knob to detent center 5 DUT is ready for testing Continue with Power Test Power Test 1 Plug the P3 type Alesis Power Supply into a power source and the barrel jack into the Re...

Страница 20: ...ith this test could be the result of incorrect audio cabling speaker setup or CD Player operation If these are not the case then the unit has FAILED Failure of this test indicates that this DUT cannot...

Страница 21: ...and Button 3 has mechanical fit problem and the test has FAILED Failure of this inspection indicate a serious problem with current firmware for production The DUT cannot continue further testing and t...

Страница 22: ...t has FAILED Problems with the appearance of the LEDs also indicates the test has FAILED Failure of this inspection indicate that the DUT cannot continue further testing 10 Press the BYPASS button Ver...

Страница 23: ...ILED Failure of this inspection indicate that the DUT cannot continue further testing 13 Press the POWER button Verify that the unit turns OFF Problems with this inspection indicate that the mechanica...

Страница 24: ...started in this manner the unit will RESET 2 Plug the P3 type Alesis Power Supply into a power source and the barrel jack into the DUT Power In jack Verify that the front panel LEDs show normal power...

Страница 25: ...Confidential Alesis Service Manual 8 31 0103 A ALESIS DEQ230 ME2 BOM SCHEMATIC PCB FILES ECN HISTORY...

Страница 26: ...BOR FINAL ASSY AND TEST 1 ESTIMATE 9 79 0261 ASSY PCB REAR PANEL ME2 0 15 0101 RES 100 OHM 5 0805 2 R26 27 0 15 0113 RES 11K OHM 1 10W 5 0805 8 R3 4 R8 9 R15 16 R22 23 0 15 0133 RES 13K OHM 1 10W 5 08...

Страница 27: ...150 D163 D176 D189 D202 D247 D254 D267 D274 D287 D297 D304 D317 D324 D337 D344 D357 D364 D377 D384 D442 D449 D462 D469 D482 D492 D499 D512 D519 D532 D539 D552 D559 D572 D579 D637 D644 D657 D664 D677 D...

Страница 28: ...ME2FP208a sch 1 Tue Sep 17 13 07 36 2002...

Страница 29: ...ME2FP208a sch 2 Tue Sep 17 13 07 47 2002...

Страница 30: ...ME2FP208a sch 3 Tue Sep 17 13 07 56 2002...

Страница 31: ...ME2FP208a sch 4 Tue Sep 17 13 08 05 2002...

Страница 32: ...ME2FP208a sch 5 Tue Sep 17 13 08 20 2002...

Страница 33: ...ME2FP208a sch 6 Tue Sep 17 13 08 28 2002...

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