Yamaha RX-V683 - Service Manual

SERVICE MANUAL
AV RECEIVER
RX-V683/RX-A770
Note:
When the DIGITAL P.C.B. or IC82 on DIGITAL P.C.B. is replaced, this unit will display “Internal Error” and will
not operate properly. The model name and serial number MUST be written to the backup IC (EEPROM: IC82 on
DIGITAL (1) 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：
DIGI
TAL P.C.B. または DIGIT
AL P.C.B. の IC82 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、モデル名とシリアル番号をバックアップ IC（EEPROM：DIGITAL (1) P.C.B. の
IC82）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 PANEL ........................................11
SPECIFICATIONS / 参考仕様 ...................................... 12
INTERNAL VIEW .....................................
.................... 17
SER
VICE PRECAUTIONS / サービス時の注意事項 .... 18
DISASSEMBLY PROCEDURES / 分解手順 ................ 19
UPDATING FIRMWARE /
ファームウェアのアップデート ................................. 29
SELF-DIAGNOSTIC FUNCTION /
ダイアグ（自己診断機能） .......................................... 33
POWER AMPLIFIER ADJUSTMENT /
パワーアンプ調整 ...................................................... 81
DISPLAY DATA ...........................
................................. 82
IC D
ATA ........................................................................ 85
PIN CONNECTION DIAGRAMS .................................. 93
BLOCK DIAGRAMS ..................................................... 94
WIRING DIAGRAMS .................................................... 98
PRINTED CIRCUIT BOARDS .................................... 100
CIRCUIT DIAGRAMS ....
............................................. 123
REPLA
CEMENT PARTS LIST ................................... 139
REMOTE CONTROL .................................................. 186
FIRMWARE UPDATING PROCEDURE /
ファームウェア更新手順 .......................................... 189
101390
'17.05
RX-V683/RX-A770

Summary

TO SERVICE PERSONNEL

CALIFORNIA PROPOSITION 65 WARNING

Warning regarding chemicals known to cause cancer or birth defects, and handling precautions for solder.

About lead free solder; 無鉛ハンダについて

Information on lead-free solder types and usage recommendations for repairs, including temperature considerations.

FRONT PANELS

REAR PANELS

REMOTE CONTROL PANEL

SPECIFICATIONS; 参考仕様

Audio Section; オーディオ部

Detailed specifications for the audio performance parameters of the receiver, including output power and frequency response.

INTERNAL VIEW

SERVICE PRECAUTIONS; サービス時の注意事項

DISASSEMBLY PROCEDURES; 分解手順

UPDATING FIRMWARE; ファームウェアのアップデート

SELF-DIAGNOSTIC FUNCTION; ダイアグ（自己診断機能）

POWER AMPLIFIER ADJUSTMENT; パワーアンプ調整

DISPLAY DATA

PIN CONNECTION DIAGRAMS

BLOCK DIAGRAMS

WIRING DIAGRAMS

PRINTED CIRCUIT BOARDS

CIRCUIT DIAGRAMS

REPLACEMENT PARTS LIST

Yamaha RX-V683 Specifications