Yamaha RX-V683 Bedienungsanleitung

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：

DIGITAL P.C.B. または DIGITAL 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

SERVICE 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 DATA........................................................................ 85

PIN CONNECTION DIAGRAMS .................................. 93

BLOCK DIAGRAMS..................................................... 94

WIRING DIAGRAMS.................................................... 98

PRINTED CIRCUIT BOARDS.................................... 100

CIRCUIT DIAGRAMS................................................. 123

REPLACEMENT 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

■TO SERVICE PERSONNEL

1. Critical Components Information

Components having special characteristics are marked ⚠and

must be replaced with parts having specifications equal to

those originally installed.

2. Leakage Current Measurement (For 120V Models Only)

When service has been completed, it is imperative to verify

that all exposed conductive surfaces are properly insulated

from supply circuits.

• Meterimpedanceshouldbeequivalentto1500ohmsshunted

by0.15μF.

WALL

OUTLET

EQUIPMENT

UNDER TEST

AC LEAKAGE

TESTER OR

EQUIVALENT

INSULATING

TABLE

• Leakagecurrentmustnotexceed0.5mA.

• BesuretotestforleakagewiththeACpluginbothpolarities.

For U model

“CAUTION”

“F5401: FORCONTINUEDPROTECTIONAGAINSTRISKOFFIRE,REPLACEONLYWITHSAMETYPE2A,

250VFUSE.”

“F5402: FORCONTINUEDPROTECTIONAGAINSTRISKOFFIRE,REPLACEONLYWITHSAMETYPE8A,

125VFUSE.”

“F5405: FORCONTINUEDPROTECTIONAGAINSTRISKOFFIRE,REPLACEONLYWITHSAMETYPE2A,

63VChipFUSE.”

For C model

CAUTION

F5401: REPLACEWITHSAMETYPE2A,250VFUSE.

F5402: REPLACEWITHSAMETYPE8A,125VFUSE.

ATTENTION

F5401: UTILISERUNFUSIBLEDERECHANGEDEMÉMETYPEDE2A,250V.

F5402: UTILISERUNFUSIBLEDERECHANGEDEMÉMETYPEDE8A,125V.

CALIFORNIA PROPOSITION 65 WARNING

This product contains chemicals known to the State of California to cause cancer, or birth defects or other reproductive

harm.

DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTHFOR ANY REASON

WHATSOEVER!

Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or

expose eyes to solder/flux vapor!

If you come in contact with solder or components located inside the enclosure of this product, wash your hands before

handling food.

About lead free solder / 無鉛ハンダについて

All of the P.C.B.s installed in this unit and solder joints are

soldered using the lead free solder.

Among some types of lead free solder currently available,

it is recommended to use one of the following types for

the repair work.

•Sn + Ag + Cu (tin + silver + copper)

•Sn + Cu (tin + copper)

•Sn + Zn + Bi (tin + zinc + bismuth)

Caution:

As the melting point temperature of the lead free solder is

about 30°C to 40°C (50°F to 70°F) higher than that of

the lead solder, be sure to use a soldering iron suitable to

each solder.

本機に搭載されているすべての基板およびハンダ付けに

よる接合部は無鉛ハンダでハンダ付けされています。

無鉛ハンダにはいくつかの種類がありますが、修理時に

は下記のような無鉛ハンダの使用を推奨します。

•Sn+Ag+Cu（錫 +銀+銅）

•Sn+Cu（錫 +銅）

•Sn+Zn+Bi（錫 +亜鉛 +ビスマス）

注意：

無鉛ハンダの融点温度は通常の鉛入りハンダに比べ 30 〜

40℃程度高くなっていますので、それぞれのハンダに合っ

たハンダごてをご使用ください。

RX-V683/RX-A770

■FRONT PANELS

RX-V683

RX-V683/RX-A770

RX-A770 (U, C, R,T, J models)

RX-A770 (A, F models)

RX-V683/RX-A770

■REAR PANELS

RX-V683 (U, C models)

RX-V683 (R model)

RX-V683 (K model)

RX-V683/RX-A770

RX-V683 (A model)

RX-V683 (B, G models)

RX-V683 (F model)

RX-V683/RX-A770

RX-V683 (L model)

RX-V683 (V model)

RX-V683 (S model)

RX-V683/RX-A770

RX-V683 (H model)

RX-A770 (U, C models)

RX-A770 (R model)

RX-V683/RX-A770

RX-A770 (T model)

RX-A770 (A model)

RX-A770 (F model)

RX-V683/RX-A770

RX-A770 (J model)

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