Yamaha mg16 6fx service manual

Page 1

A manufacture number should use this
manual with goods of 9 or more figures.
($7:17»u.flfi§%fiefimimfi
rfa'ciffififi < 75 é mo)
The example of a manufacture number.
(§¥i§§%l§fl)
JCLJOl 001
UCCLJOlOOl
CHNCLOlOOl

9-11 figures
w~nm
The service manual of PA Should
be used for the goods whose manufacture
number is 7 figures.

(flififivE-ébfififmfirfalL PA 0)
#-Exv:;7»&:fim<fiéum
The example of a manufacture number.
(flifiéviffil)
LKOl 001

7 figures
(7th)

PA

200306-49800

MIXING CONSOLE

MG 16/6FX

SERVICE MANUAL

.v . Mhln/nn

I CONTENTS (E )

SPECIFICATIONS (fifeélifi) ............................................... 3/5
DIMENSIONS (TIEI) ..................
PANEL LAYOUT (NZil/l/f 7 I? I
CIRCUIT BOARD LAYOUT & WIRING

(12v Il/fT? mafia-I .............................................. 12

DISASSEMBLY PROCEDURE (fififillfi) 14
LSI PIN DESCRIPTION (LSI fijzfifi'éfi) . .. 19
IC BLOCK DIAGRAM (IC in y 7I) .. 21
CIRCUIT BOARDS (>- IgIIiI)" .22
INSPECTIONS (tfik) ....................................................... 30/36

PARTS LIST

BLOCK DIAGRAM & LEVEL DIAGRAM

(7): ~y 75M 775A & I/NIIa4775A)
OVERALL CIRCUIT DIAGRAM (filfilfial)

.YAMAHA

HAMAMATSU, JAPAN
Copyright (c) Yamaha Corporation. Al] rights reserved. FDF-K338 Fl' unvm 'osos

Page 2

MG16/6FX

I PORTANT 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 pertormed by an
authorized Yamaha Retailer or the appointed service representative.

IMPORTANT : This presentation or sale of this manual to any individual or tirm does not constitute authorization, certifir
cation, recognition of any applicable technical capabilities, or establish a principalragent 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 specitication 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. Recheck LHwork before you apply power
to the unit.

WARNING: CHEMICAL CONTENT NOTICE!

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 detects or other reproductive harm.

DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC 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 tumes 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.

IMPORTANT NOTICE FOR THE UNITED KINGDOM
Connecting the Plug and Cord

IMPORTANT. The wires in this mains lead are coloured in accordance with the following code:
BLUE : NEUTRAL
BROWN : LIVE
As the colours ot the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your
plug proceed as follows:
The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.
Making sure that neither core is connected to the earth terminal of the three pin plug.

IWARNING

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

AEllwéfiééli, $1Efltfi16tbllififigfiéé'fifo fiftfliélfifiut £20kwtlflflfifiiméflfi Effim<7£§vo