STEREO RECEIVER
RX-485/
RX-485RDS
SERVICE
MANUAL
IMPORTANT NOTICE
This manual has been provided for the use
of
authorized YAMAHA Retailers and their selVice personnel.
It
has been assumed that basic selVice procedures inherent to the industry, and more specifically YAMAHA
Products, are already known and understood by the users, and have therefore not been restated.
WARNING:
Failure to follow appropriate selVice and safety procedures when selVicing this product
may result in personal injury, destruction
of
expensive components, and failure
of
the
product to perform as specified. For these reasons, we advise all YAMAHA product owners
that any selVice required should be perfonned
by
an authorized YAMAHA Retailer or the
appointed selVice representative.
IMPORTANT:
The presentation or sale
of
this manual to any individual or firm does not constitute
authorization, cenification or recognition
of
any applicable technical capabilities, or
establish a principle-agent relationship
of
any form.
The data provided
is
believed to
be
accurate and applicable to the unites) indicated on the cover. The reseach,
engineering, and selVice depanments
of
YAMAHA are continually striving to improve YAMAHA products.
Modifications are, therefore, inevitable and specifications are subject to change without notice or obligation to
retrofit. Should any discrepancy appear
to
exist, please contact the distributor's SelVice Division.
WARNING:
Static discharges can destroy expensive components. Discharge any static electricity your
body may have accumulated by grounding yourself
to
the ground buss in the unit (heavy
gauge black wires connect
to
this buss).
IMPORTANT:
Tum the unit OFF during disassembly and
pan
replacement. Recheck all work before you
apply power
to
the unit.
•
CONTENTS
TO SERVICE PERSONNEL 1
FRONT PANELS 1 2
REAR PANELS 2 3
SPECIFICATIONS 4 5
INTERNAL VIEW 5
DISASSEMBLY PROCEDURES 6
AMP ADJUSTMENTS 6
TEST MODE 7
TUNER ADJUSTMENTS 8
11
RX-485 BLOCK DIAGRAM 12 13
RX-485RDS BLOCK DIAGRAM 14 15
RX-485
~-COM
DATA
16-17
RX-485RDS
~-COM
DATA
18-19
RX·485 DISPLAY DATA
20
RX·485RDS DISPLAY DATA
21
FRONT END PACK
22
TEST POINT WAVEFORMS
23
PRINTED CIRCUIT BOARD
24-33
SCHEMATIC DIAGRAM
34-39
PARTS LIST
40-48
REMOTE CONTROL TRANSMITTER
49
YAMAHA
YAMAHA
CORPORATION
P.O.Box1,Hamamatsu,Japan
2.95K-223
IQl
®
Printed
in
Japan
'94.4
To Next Page
Need help?
General
