Yamaha m 3000 a

Page 1

MIXING CONSOLE

MEDCICIA- 24/52

/4l:ll:/SEC

SERVICE MANUAL

. I .
l'l' IIIIIIIII 1 ,

M3000A-560
ICONTENTS
SPECIFICATIONS .............................................. 3/6
PANEL LAYOUT ..................................... 9
DIMENSIONS .......................................................... 18
CONNECTOR CIRCUIT DIAGRAM 19
BLOCK & LEVEL DIAGRAM 22
CIRCUIT BOARD LAYOUT .............. 23
DISASSEMBLY PROCEDURE 25
LSI PIN DESCRIPTION 36
IC BLOCK DIAGRAM ................................... 4o
CIRCUIT BOARDS ....................................... 42
INSPECTIONS 90/99
TEST PROGRAM 108/110
ERROR MESSAGES .......................... 112
MIDI DATA FORMAT
MIDI IMPLEMENTATION CHART ....................................... 113
CIRCUIT DIAGRAMS .......................................... 113
PARTS LIST

PA 011529

2 .YAMAHA

M3000A-24 20000710-1450000 M3000A-40c 20000710-1850000
M3000A~32 20000710-1650000 M3000A.56c 2000071o~2250000 HAMAMATSU JAPAN

144K-9153lIT DE Printed in Japan 2000.07

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M3000A

IMPORTANT NOTICE

This manual has been provrded for the use or authorized Yamaha Retailers and their sarvrce 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 roiiow appropriate service and salary procedures when servicing this predict may restar in per-
sonal injury, destruction of expensive cornponerls and failure of the product to perform as specified. For
these reasons, we advise all Yamaha promct owners that all service required should be perronned by an
authorized Yamaha Retailer or the appointed servtce representative.

IMPORTANT : This presentation or sale or this manual to an individual or firm does not constitute authorization certifl~
cation. recognition of any applicable technica capabilities. or establish a principal-agar! relationship oi
any form.

The data provided is derived to be accurate and applicable to tile unit(s) indicated on the cover. The research engineerin . and
servrce depanments or Yamaha are continually strivin to improve Yamaha products. Modifications are. therefore. inev table
and changes in specification are subject to change wit our notice or obligation to retrofit. Should any discrepancy appear to
exist, please contact the distributor's Service Division.

WARNING : sumo discharges can destroy expensive components. Discharge any static eleciilclt you body may have
atclcugnuleied y grounding yourself to the ground bus in the unit (heavy gauge b aclt wires connect to
r s us.

IMPORTANT : Turn the unit at: during disassernbiy and parts replacement. Recheck :11 won: before you apply power
to the unit.

LITHIUM BATTERY HANDLING

The product uses a Ilhlum battery tor memory baclrvip.

WARNING : uthum batteries are dangerous because they can be exploded by mproper naming. Observe the rollowing pre-
cautions when handling or repleoelg iitilim batteries.

0 Leave lIthlun battery replacement to quained service personnel.

0 Always replace with batteries or the same type.

0 When 'I'isteliing on the PC board by soidemg solder using the connection terminals provided on the battery cells.

0 Never solder drecdy to the cells. Perform the soldanng as (priority as possible.

0 Never reverse the battery polarities Mien installng.

0 Do not short the batteries.

0 Do not attempt to recharge these batteries.

0 Do not asasernble the bananas.

0 Never heat batteries or titan them lilo fie.

ADVARSEIJ

utrlunbaneri-Eltsploslonsrare ved rejiaglg haridterlng. Udstrlftiing ma itun site med batteri at samme rabrikat 09 type. lever det bruge

batten tliba til leveranaen.

VARNIN

Explosionsrara vld lelairtlgt batterlb e.

Anvand samma betterlyp eler an e ivaiera typ sorn reltornmenderas av epparamllverlraren.

Kassera anvarl batten anilgt rebtlirantens lnstrurttoh.

VAROITUS

Parislo voi rajahtaa. jos se on vlrheelilsesrl asemetlu.

Valhda paristo ainoastaan laitevatnisteyan suosrttelernaen tyyppiiln.

ilevrla keyte peristo veimista an on den mmisestl.

The following Normation com as w h Dilch oltlcial Gazelle 1995. 45: ESSENTIALS OF ORDER ON THE COLLECTION OF BATTERIES.
- Please refer to the diessernbiy prooemre for the removal of Bach-tn Battery.
~ Least u voor het verwljderen van de hackle: barren] daze beschrljvlng.

WARNING: CHEMICAL CONTENT NOTICE!

The solder used in the production or this product contains LEAD. in addition. other electricalleleclronic and/or plastic (Where
applicable) components may also contain traces of chemicals found b the California Health and Welfare Agency (and possibly
other entities) to cause cancer andlor birth detects or other reproduc ive harm.

(5)3 EOEI5LACE SOLDER. ELECTRICAUELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT
V

Avoid prolonged, unprotected contact between solder and your sirlnl wnen soldering. do not Inhale solder fumes or expose
eyes to soidenflux veporl

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

I WARNING

Components havrng special characteristics are married A and must be replaced wrth pans havmg speciiicauon equal to those
originally installed.