Yamaha moxf6 moxf8

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MUSIC PRODUCTION SYNTHESIZER

moXESImDXES

SERVICE MANUAL

MIA. - -

I CONTENTS (E R)

SPECIFICATIONS (IIééIflE) .............................................. 4/5
PANEL LAYOUT (min, In 7-7 L) ..................................... 6
MOXP6 DISASSEMBLY PROCEDURE (GAZETTE) .............. 11
MOXF8 DISASSEMBLY PROCEDURE (fificiifllfi) ............. 18
INSTALLING OPTIONAL HARDWARE

(IEEEEBEIT: (EIJ3+E) OER U HIT) ........................................ 30/33
LSI PIN DESCRIPTION (LSITR¥I§éfiEi%) ............................ 36
CIRCUIT BOARDS (9- LEI/i.) ....................................... 43
TEST PROGRAM (5-K |~7°EI75L\) ............................. 66/76
DATA BACKUP (P- '5' am \y 77 9 7°) ......................... 88/89
VERSION UPGRADE (m- 93 >7 y 7°) ...................... 90/92
SYSTEM BOOTING FLOW CHART
(91:?AEE/J7III-aw- I) ......................................... 94/95
MESSAGE LIST (x \y t- 9-E) ................................... 96/98
PARTS LIST

BLOCK DIAGRAM (7D y 7 §~4775L\)
CIRCUIT BOARD LAYOUT & WIRING
(lly L [/17r7 LXfiUfifil)
OVERALL CIRCUIT DIAGRAM (filfilflgl)

SY

012095

@YAMAHA

HAMAMATSU, JAPAN
Copyright (0) Yamaha Corporation. All rights reservedoqdlCD 13.09

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MOXF6/MOXF8

IMPORTANT NOTICE

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

WARMNG: 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 Retailer 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 believed 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 your body may have
accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to
this bus.)

IMPORTANT: Turn the unit OFF during disassembly and parts replacement. Rechecka work before you apply power to
the unit.

WARNING: This product contains chemicals known to the State of California to cause cancer, or birth defects or other
reproductive harm.

DO NOT PLACE SOLDER, ELECTRICALIELECTRONIC OR 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!l flux vapor!

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

I WARNING (Tcéiwiifél

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

A moans-ma, seamfifimrcwcigasracm flatmates, £$®tblCflxffEE®fil§fifiZfil§éfifi< rest».

I SAVING DATA (7-3- 510312???)
Saving and backing up your data (ffiiiiib t?- flabfifitlf y 77v 7°)

The data in the instruments Edit Buffer (memory location for edited data) will be lost when it is turned off.
Save your important data to the user memory, a USB flash memory device or external device such as a computer.
Keep in mind that saved data may be lost due to malfunction or incorrect operation.

Iflvinflz -(f5¥£fix¥u-IIJ7):®?-9 lififlfififflctifiifbfl\iToficfibfifith\:_r-5~ld:1-tf-XJE'J-
Be sure to /USB75»y/1x-EU7/j parasaaoaisriaaazlxmflfia \o
FF'QEQflJ; at.Git@1125:stixflbaeissiaiiaaamabczsiahnazamauam kwaziad,USB7aw>1xHeuytleaeaaw
4 T yigriaasiciam-wgauo

Backing up the USB storage device/external media (USBEElfia'EEGDIY -y 7 7 v 7')

To protect against data loss through media damage, we recommend that you save your important data onto two
USB storage deviceslexternal media.

RT? LIfCUSBEEIEéIEIEOEWEKICIEif $63727??? IJTTTIfiéwUSBEEIIfigéIEIC/{V 7777}: bfffifi e 11%) I: c: 3
1671'???) bifio

Be sure to

perform it

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