Front Panels - Yamaha RX-V557 Service Manual

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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:
1. 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.
2. If lead solder must be used, be sure to remove lead free solder
from each terminal section of the parts to be replaced and
from the area around it completely before soldering, or make
sure that the lead free solder and lead solder melt together
fully.
I FRONT PANELS
RX-V557 (U, C models)
RX-V557 (R, T, K, A, B, G, E, L models)
RX-V557/HTR-5850/DSP-AX557
RX-V457/HTR-5840/DSP-AX457
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:
① 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。
② 鉛入りハンダを使わざるを得ない場合は、あらかじめ交換する
部品端子部やその周辺部の無鉛ハンダをすべて取り除くか、あ
るいは無鉛ハンダと鉛入りハンダが十分に溶けた状態となるよ
うにハンダ付けしてください。
A, B, G, E models
3

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This manual is also suitable for:

Htr-5850Rx-v457Htr-5840Dsp-ax457Dsp-ax557

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