Yamaha dsp a5

Page 1

AV AMPLIFIER

DS P-A5

SERVICE MANUAL

#8)}; uNBAAu-F m ta:
% flflflfllllflflllfiflfl mum-35?
m a 23:? E

IMPORTANT NOTICE

This ttianiial has been provided for the rise of authorized YAMAHA Retailers and their service personnel.
it has been assumed that basic servrce procedures inherent to the industry. and tnore specifically YAMAHA
Products. are already knoun and understood by the users. and have tlterefote not been restated.

WARNING: Failure to follow appropriate servrce and safety procedures when servicing this product
may result iti petsorial injury. destruction ofexpenslve components. and failure of the
product to perform as specified. For these reasons. we advise all YAMAHA pr-oduct
owners that any seryice requrred should be performed by an authorized YAMAHA
Retailer or- the appointed service representative,

IMPORTANT:The presentation or sale of this tnanual to any individual of firm does not constitute
authorization. certification or recogmrion of any applicable technical capabilities.
or establish a prillcrpleeagenl relationship of any form.

The dma provided is believed to be accurate and applicable I0 Ihe ullil(s) llldlcaled on the Cover. The research.
engineering. and seryice departments of YAMAHA are continually striving to improve YAMAHA products.
Modifications are. therefore. iueyitable and specifications are subject to change wrthout notice or obligation
[0 retrofit. Should any di

WARNING: Static discharges cart destroy expensive components. Discharge any static electricity
your- body may have accumulated by grounding yourseltto the ground buss in the itnit
(heavy gauge black wires connect to this buss).

IMPORTANT: Turn the unit OFF during disassenibly and part replacement, Recheck all work before
\ you apply power to the unit,

I CONTENTS

TO SERVICE PERSONNEL 1
REMOTE CONTROL PANELS . 1
REAR PANELS 2
SPECIFICATIONS....................................................... 3~4
INTERNAL VIEW 5
DISASSEMBLY PROCEDURES . . 5
SELF DIAGNOSIS FUNCTION . 6~17
FACTORY PRESET 1B

lovitxv:17wl;c 1:777iziwfiiflféffiffi th\§Ta
This Servlce Manual uses recycled paper

AMP ADJUSTMENT 19
IC DATA .20~28
DISPLAY DATA 29
BLOCK DIAGRAM 30~31
PRINTED CIRCUIT BOARD 32~47
SCHEMATIC DIAGRAM 48~53
PARTS LIST . . 54~69
REMOTE CONTROL TRANSMITTER 7O

.YAMAHA

YAMAHA CORPORATION
O..Box1 Hamamalsu. Japan