Yamaha RX-SL80 Service Manual page 29

Av receiver/av amplifier
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K0/K1 (Panel key of main unit)
A/D of the key fails to function properly when the standard
value is deviated. In this case, check the constant of partial
pressure resistor, solder condition, etc. Refer to table 1.
12. FAN TEST
This program checks the fan operation. The fan drive mode
varies as follows according to the sub-menu operation.
FAN DRIVE TEST (For models so equipped)
HIGH
FAN DRIVE TEST (For models so equipped)
MID
FAN DRIVE TEST (For models so equipped)
LOW
K0/K1 (本体パネルキー)
キーのA / D は基準値から外れると、正常な動きをしません。
Table 1をご覧になり、各キーの分圧抵抗の定数、ハンダ不良等
の確認をしてください。
[Table 1]
Display (%)
K0
0 - 5
ENTER
6 - 15
INPUT
15 - 28
DSP
28 - 46
TUNER
12. FAN TEST
ファンの動作チェックプログラムです。サブメニュー操作によ
り、FANの駆動が以下のように変わります。
FAN DRIVE TEST (ファン駆動テスト)
HIGH:ファン駆動強
FAN DRIVE TEST (ファン駆動テスト)
MID:ファン駆動中
FAN DRIVE TEST (ファン駆動テスト)
LOW:ファン駆動弱
RX-SL80
29

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