101234
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.
AV RECEIVER
RX-V373/HTR-3065
P.O.Box 1, Hamamatsu, Japan
■ CONTENTS
TO SERVICE PERSONNEL ............................................2
FRONT PANELS .........................................................3–4
REAR PANELS ...........................................................5–9
REMOTE CONTROL PANELS ..................................... 10
SPECIFICATIONS /
参考仕様
................................. 11–16
INTERNAL VIEW ..........................................................17
SERVICE PRECAUTIONS /
サービス時の注意事項
..... 17
DISASSEMBLY PROCEDURES /
分解手順
........... 18–21
UPDATING FIRMWARE /
ファームウェアのアップデート
..............................22–26
SELF-DIAGNOSTIC FUNCTION /
ダイアグ（自己診断機能）
.......................................27–52
DISPLAY DATA .......................................................53–54
IC DATA ...................................................................55–65
BLOCK DIAGRAMS ................................................66–67
PRINTED CIRCUIT BOARDS .................................68–81
PIN CONNECTION DIAGRAMS ...................................82
SCHEMATIC DIAGRAMS .......................................83–92
REPLACEMENT PARTS LIST .............................. 93–105
REMOTE CONTROL ............................................106–110
CONFIGURING THE SYSTEM SETTINGS ..................111
システム設定を変更する
............................................. 112
'12.03
Copyright © 2012 All rights reserved.
This manual is copyrighted by YAMAHA and may not be copied or
redistributed either in print or electronically without permission.
Note:
When the following parts are replaced, the model name and destination MUST be written to the back-up IC (EEPROM:
IC221 on DIGITAL P.C.B.) to have proper operation. (For details, refer to “22 SOFT SWITCH” menu of the self-
diagnostic function.)
注意：
下記の部品を交換した場合、正常動作のためにモデル名と仕向け先をバックアップ IC（DIGITALP.C.B. の IC221）へ
書き込む必要があります。（詳細は、ダイアグの “22.SOFTSWITCH” メニューを参照してください。）
• DIGITAL P.C.B.
• EEPROM: IC221 on DIGITAL P.C.B.
RX-V373/HTR-3065
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