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.
の
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
IC
（
EEPROM
：
DIGITAL P.C.B.
の
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 /
...................................... 12
INTERNAL VIEW ......................................................... 15
SERVICE PRECAUTIONS /
................................. 20
.......................................... 26
...................................................... 58
DISPLAY DATA ............................................................ 59
IC DATA ........................................................................ 61
BLOCK DIAGRAMS ..................................................... 72
WIRING DIAGRAMS .................................................... 74
PRINTED CIRCUIT BOARDS ...................................... 76
PIN CONNECTION DIAGRAMS .................................. 88
SCHEMATIC DIAGRAMS ............................................ 89
REPLACEMENT PARTS LIST ..................................... 99
REMOTE CONTROL .................................................. 120
FIRMWARE UPDATING PROCEDURE ..................... 125
............................................ 133
1 0 1 3 6 3
'16.03
RX-V381/HTR-3069
Summary of Contents for RX-V381
Page 6: ...6 RX V381 HTR 3069 RX V381 HTR 3069 RX V381 K model RX V381 A model RX V381 B model...
Page 7: ...7 RX V381 HTR 3069 RX V381 HTR 3069 RX V381 G F models RX V381 L model RX V381 S model...
Page 8: ...8 RX V381 HTR 3069 RX V381 HTR 3069 RX V381 J model HTR 3069 U C models HTR 3069 T model...
Page 9: ...9 RX V381 HTR 3069 RX V381 HTR 3069 HTR 3069 K model HTR 3069 B model TR 3069 G F models...
Page 10: ...10 RX V381 HTR 3069 RX V381 HTR 3069 HTR 3069 L model...
Page 133: ...133 RX V381 HTR 3069 RX V381 HTR 3069 RX V381 HTR 3069 1...
Page 138: ...RX V379 HTR 3068...
