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Yamaha RX-V463 Service Manual

Yamaha RX-V463
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26
RX-V463/HTR-6140/DSP-AX463
RX-V463/HTR-6140/
DSP-AX463
原因: ヒートシンクの温度が異常。
補足: 温度制限を越えた原因で、プロテクションが
働いたことを示します。
異常状態のままパワーオンすると、1秒後に
プロテクションが掛かり、電源が切れます。
各プロクテクションの検出に関しては、後述のメイン
メニューを参照してください。
メニュー動作中の表示
本機のFLディスプレイには動作中の機能が表示されま
す。
機能動作中の表示内容については、後述の機能詳細で
記述します。
Display during menu operation
The function at work is indicated on the FL indicator of
this unit.
The contents displayed during the function operation
are described later in the “Details of self-diagnostic
function menu” section.
プロテクションの履歴
プロテクションが働いた場合、履歴をバックアップして
記憶しています。
サービスのときに異常が認められなくても、バックアッ
プが残っていれば、お客様のところで起きた異常を区別
できます。
メインメニューNo.RPRESETRESERVED(メモリーの
初期化)を選んでダイアグを解除した場合、またはバック
アップが消えた場合にプロテクションの履歴はクリアさ
れます。
Cause: The temperature of the heat sink is excessive.
Supplementary information:
The protection function worked due to the
temperature limit being exceeded.
Causes could be poor ventilation or a defect
related to the thermal sensor.
If the power is turned on with the abnormality
unsolved, the protection function works in 1
second to turn off the power.
History of protection function
When the protection function has worked, its history
is stored in memory with a backup.
Even if no abnormality is noted while servicing the
unit, an abnormality which has occurred previously
can be defined as long as the backup data has been
stored.
The history of the protection function is cleared
when self-diagnostic function is cancelled by select-
ing PRESET RESERVED (Memory initialized) of main
menu No. R or when the backup data is erased.
THM PRT:xxx
AD value when the protection function is working /
プロテクション動作時のA/D値
When there is a history of protection function due
to excessive heat sink temperature
ヒートシンクの異常温度によるプロテクション履歴が
ある場合
For detection of each protection function, refer to main
menu described later.

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Yamaha RX-V463 Specifications

General IconGeneral
Impedance6 Ω
Frequency range10 - 100000 Hz
RMS rated power525 W
Audio output channels5.1 channels
Signal-to-Noise Ratio (SNR)100 dB
Total Harmonic Distortion (THD)0.06 %
EqualizerYes
Product colorSilver
AM band range87.5 - 108 kHz
FM band range530 - 1710 MHz
Supported radio bandsAM, FM
Dimensions (WxDxH)435 x 171 x 352 mm
Power consumption (typical)440 W
Weight and Dimensions IconWeight and Dimensions
Weight8500 g

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