Yamaha NS-B20 Service Manual
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SERVICE MANUAL
IMPORTANT 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 specifi cally YAMAHA Products, are already known
and understood 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 personal injury,
destruction of expensive components, and failure of the product to perform as specifi ed. For these reasons, we advise
all YAMAHA product owners that any service required should be performed by an authorized YAMAHA Retailer or
the appointed service representative.
IMPORTANT:
The presentation or sale of this manual to any individual or fi rm does not constitute authorization, certifi cation 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 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
specifi cations are subject to change without notice or obligation to retrofi t. 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 buss in the unit (heavy gauge black wires connect to this buss).
IMPORTANT:
Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.
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CONTENTS
TO SERVICE PERSONNEL ........................................2–4
PREVENTION OF ELECTROSTATIC DISCHARGE ......5
REGION MANAGEMENT INFORMATION .....................6
SYSTEM COMPOSITION ................................................7
FRONT PANELS .............................................................8
REAR PANELS ......................................................... 9–10
REMOTE CONTROL PANELS ..................................... 11
SPECIFICATIONS ................................................... 12–17
INTERNAL VIEW .......................................................... 18
SERVICE PRECAUTIONS ...................................... 19–20
DISASSEMBLY PROCEDURES .............................21–23
REWRITING OPU PARAMETER ............................24–30
SELF-DIAGNOSTIC FUNCTION ............................31–33
BLOCK DIAGRAM ........................................................35
WIRING DIAGRAM .......................................................36
PRINTED CIRCUIT BOARDS .................................37–39
SCHEMATIC DIAGRAMS .......................................40–56
REPLACEMENT PARTS LIST ................................58–60
REMOTE CONTROL ...............................................61–62
SOFTWARE UPGRADE ...............................................63
'11.12
P.O.Box 1, Hamamatsu, Japan
The BDX-610 consists of the BRX-610 and NS-PZ20.
The NS-PZ20 consists of the NS-B20, NS-C20 and NS-SWP20.
*
When the MAIN P.C.B. is replaced, the serial number and new MAC address MUST be reported to
Yamaha Corporation by e-mail.
E-mail: ycav-keycontrol@gmx.yamaha.com
For more information, refer to “SERVICE PRECAUTIONS”.
BLU-RAY DISC RECEIVER /
SPEAKERS
BRX-61
0/NS-PZ20
BRX-610 /
NS-PZ20
BLU-RAY DISC HOME THEATER SYSTEM
BDX-610