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Yamaha RX-V381 - Service Manual

Yamaha RX-V381
138 pages
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SERVICE MANUAL
AV RECEIVER
RX-V381/HTR-3069
Note:
When the DIGITAL P.C.B. or IC224 on DIGITAL P.C.B. is replaced, this unit will display Internal Error and will not
operate properly. The model name and destination MUST be written to the backup IC (EEPROM: IC224 on DIGITAL
P.C.B.) to have proper operation. (For detailed procedure, refer to related Service News or Service Bulletin. Or
contact your local Yamaha representative.)
注意:
DIGITAL
P.
C.B. または DIGITAL P.C.B. IC224 を交換すると、“Internal Error が表示されて本機が正常に動作し
なくなります。正常に動作させるために、モデル名と仕向け先をバックアップ ICEEPROMDIGITAL P.C.B.
IC224)へ書き込む必要があります。(詳しい手順は、関連するサービスニュース、または技術報告を参照してくだ
さい。もしくはヤマハのサービスセンターまでご連絡ください。
CONTENTS
TO SERVICE PERSONNEL ........................................... 2
FRONT PANELS ............................................................ 3
REAR PANELS .............................................................. 5
REMOTE CONTROL PANELS .....................................11
SPECIFICATIONS / 参考仕様 ...................................... 12
INTERNAL VIEW .......................................
.................. 15
S
ERVICE PRECAUTIONS / サービス時の注意事項 .... 15
DISASSEMBLY PROCEDURES / 分解手順 ................ 16
UPDATING FIRMWARE /
ファームウェアのアップデート ................................. 20
SELF-DIAGNOSTIC FUNCTION /
ダイアグ(自己診断機能) .......................................... 26
POWER AMPLIFIER ADJUSTMENT /
パワーアンプ調整 ...................................................... 58
DISPLAY DATA .............................
............................... 5
9
IC DATA ........................................................................ 61
BLOCK DIAGRAMS ..................................................... 72
WIRING DIAGRAMS .................................................... 74
PRINTED CIRCUIT BOARDS ...................................... 76
PIN CONNECTION DIAGRAMS .................................. 88
SCHEMATIC DIAGRAMS ...
......................................... 8
9
REPLACEMENT PARTS LIST ..................................... 99
REMOTE CONTROL .................................................. 120
FIRMWARE UPDATING PROCEDURE ..................... 125
ファームウェア更新手順 ............................................ 133
101363
'16.03
RX-V381/HTR-3069

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