Yamaha RX-V550 Service Manual page 40

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RX-V550/HTR-5750
RX-V450/HTR-5740/DSP-AX450
14. DSP RAM CHECK
This menu is used to self-diagnose whether or not the bus
connection for the YSS930 and the external RAM is made
properly.
During signal processing, the status before execution of
this menu is maintained.
The address bus and the data bus are checked and the
connection condition is displayed.
When no error is detected, "NoEr" appears on display.
YSS930 Bus Check
YSS948 BUS CHECK
15. PROTECTION SETTING
Not applied these models.
40
14. DSP RAM CHECK
YSS930と外付けRAMとのバス接続の正否を自己診断します。
信号処理は、このメニューを実行する前の状態を維持します。
アドレスバス、データバスのチェックを行い、接続正否を表示し
ます。
エラーが検出されなかった場合は、 "NoEr" と表示されます。
YSS930 BUS CHECK
Display
Description
WAIT
Bus is being checked.
NoEr
No error detected.
DATA
Data bus shorted or open.
RSCS
/RAS or /CAS shorted or open.
ADDR
Address bus shorted or open.
YSS948 BUS CHECK
Display
Description
WAIT
Error detected
NoEr
No error detected.
15. PROTECTION SETTING
このモデルには適用されません。

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