Yamaha m3000 24 40c pw3000m mixer service manual

Page 1

// \\

MIXING CONSOLE/POWER SUPPLY
MEDDD-E4/4DI:
@WEDL-JL-JM

SERVICE MANUAL

"Ill!!!

M3000-4OC

I CONTENTS (E >51)

SPECIFICATIONS (RS-11:11) .............................................. 3/4
DIMENSIONS ('13:!) ...................... ...
PANEL LAYOUT OWN/1 77 r7 I~>..
CONNECTOR CIRCUIT DIAGRAM (:i R 7 57 -|§IE§
BLOCK & LEVEL DIAGRAM
(7D'y781l2/Vle3i'17751a) ......................................... 16

..... 13

CIRCUIT BOARD LAYOUT (12v I~ I21 770 I~) 17
DISASSEMBLY PROCEDURE (Miflfi) ............. 18
LSI PIN DESCRIPTION (L§|fifi¥1§fi§i-��) . 24
IC BLOCK DIAGRAM (IC7 I: \y 7!) ...... 26
CIRCUIT BOARDS (9- @1112.) .28
INSPECTIONS OISE) .......... 60/68

TEST PROGRAM (5-2 I ........... 77/79

MIDI DATA FORMAT (MIDIT- 7 7 1 81
ERROR MESSAGES (317-2 yt- 2) ............. 83
MIDI IMPLEMENTATION CHART ............ 83
CIRCUIT DIAGRAMS GEES.) ............................................ 84

PARTS LIST

PA .YAMAHA
M3000-24 19981001-1450000

M300040C 19981001-1850000 HAMAMATSU. JAPAN
PW3000M 19981001400000 1.96K-B782 [Dgfl Printed in Japan 98.09

Page 2

M3000

IMPORTANT NOTICE

This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed
that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and under-
stood by the users, and have therefore not been restated.

WARNING : Failure to follow appropriate service and safety procedures when servicing this product may result in per-
sonal injury. destruction of expensive components and failure of the product to perform as specified. For
these reasons, we advise all Yamaha product owners that all service required should be performed by an
authorized Yamaha Fietailer or the appointed service representative.

IMPORTANT : This presentation or sale of this manual to any individual or firm does not constitute authorization certifi-
cation, recognition of any applicable technical capabilities, or establish a principal-agent relationship of
any form.

The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and
service departments of Yamaha are continually striving to improve Yamaha products. Modifications are. therefore, inevitable
and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to
exist, please contact the distributor's Service Division.

WARNING : Static discharges can destroy expensive components. Discharge any static electricity you body may have
accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to
this buss.)

IMPORTANT : Turn the unit QEE during disassembly and parts replacement. Flecheck all work before you apply power
to the unit.

LITHIUM BATTERY HANDLING

This product uses a lithium battery for memory back-up.
WARNING : Lithium batteries are dangerous because they can be exploded by improper handling Observe the following pre-
cautions when handling or replacing lithium batteries.

Leave lithium battery replacement to qualified service personnel.

Always replace with batteries of the same type.

When installing on the PC board by soldering, solder using the connection terminals provided on the battery cells.

Never solder directly to the cells. Perform the soldenng as quickly as possible.

Never reverse the battery polarities when installing.

Do not short the batteries.

Do not attempt to recharge these batteries.

Do not disasemble the batteries.

Never heat batteries or throw them into fire,

ADVARSEL!

Lithiumbatteri-Eksplosicnsfare ved feilagtig handtering. Udskiftning ma kun ske med batteri af samme fabrikat 09 type. lever det brugte

batteri tilbage til leverandren.

VARNING

Explosionsfara vid felaktigt batteribyle.

Anvand samma battarityp eller en ekvivalent typ som rekommenderas av apparattillverkaren.

Kassera anvant batteri enligt fabrikantens instruktion.

VAROITUS

Paristo voi rajahtaa, jos so on virheellisesti asennettu.

Vaihda paristo ainoastaan laitevalmistajan suosittalemaan tyyppiiin.

Havita kaytetty paristo valmistaian ohjeiden mukaisesti. .

The following information complies with Dutch official Gazette 1995. 45; ESSENTIALS OF ORDER ON THE COLLECTION OF BATTERIES.
- Please refer to the diassembly procedure for the removal of Back-up Battery.
- Leest u voor het verwijderen van de backup batterij daze beschrijving.

WARNING: CHEMICAL CONTENT NOT ICE!
The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Where
applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly
other entities) to cause cancer and/or birth defects or other reproductive harmt

DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC 0R PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT
SO EVER!

Avoid prolonged. unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose
eyes to solder/flux vapor!

If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling
food.

I WARNING

Components having special characteristics are marked A and must be replaced with parts having specification equal to those
originally installed.

A Elmfir'iuti fifizfififidétmi:i§&§l§fl?'fl ffi'féigfitit fifiokblcfi~fififlflflfi-��5fimTéwo