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                                                    Troubleshooting
Power does not come on\f
F
F Did
F you F properly F plug F the F power F adaptor F into F an F appropriate F AC F outlet\f
F
F Did
F you F firmly F and F se\burely F \bonne\bt F the F power F plug\f
No sound\f
F
F Did
F you F turn F on F the F powered F speaker F or F the F power F amp\f
F
F Did
F you F properly F \bonne\bt F the F mi\brophones, F external F devi\bes, F and F speakers\f
F
F Are
F any F \bonne\bting F \bables F shorted F or F damaged\f
F
F Have
Ft

he
F[
 GAIN]
Fk
 nobs...
                                            

                                                    SERVICE MANUAL

 CONTENTS
SPECIFICATIONS .........................................................3/5
DIMENSIONS .....................................................................7
PANEL LAYOUT .................................................8
MG12/4 CIRCUIT BOARD LAYOUT & WIRING
...............................12
MG16/4 CIRCUIT BOARD LAYOUT & WIRING
...............................14
MG12/4 DISASSEMBLY PROCEDURE ........16
MG16/4 DISASSEMBLY PROCEDURE ........21
IC BLOCK DIAGRAM...
                                            

                                                     
MIXING CONSOLE
Owner’s Manual
MG16/4
MG12/4
Making the Most Of Your Mixer
Pages 6 to 17
E
 
MG12-16_E.book  Page 1  Monday, May 26, 2003  1:14 PM 
                                            

                                                    MX12/6
MX20/6
1
SERVICE MANUAL
PA011541
MX12/6  20001210-69800
MX20/6  20001210-99800  1.419K-7721 K          Printed in Japan 2000.12
HAMAMATSU, JAPAN
 CONTENTS
This document is printed on chlorine free (ECF) paper with soy ink.
SPECIFICATIONS ................................................ 3/5
DIMENSIONS ............................................................ 6
PANEL LAYOUT .................................... 7
BLOCK & LEVEL DIAGRAM .......................................................10...
                                            

                                                    MIXING CONSOLE
Owner’s Manual
Thank you for purchasing the YAMAHA MX12/6 or MX20/6 Mixing Con-
sole. Both the MX12/6 and MX20/6 mixers are designed to provide the user
with an ideal balance of operability, functionality, and simplicity.
In order to get the most out of your MX12/6 or MX20/6 mixer and its
functions, and to enjoy years of trouble-free use, please read this Owner’s
Manual thoroughly and keep it in a safe place for future reference.
Features
• The MX12/6 offers 12 input channels that can be...
                                            

                                                    YAMAHA
®
AUTHORIZED
PRODUCT MANUALDIGITAL RHYTHM PROGRAMMER