Yamaha DVX-S200 Service Manual page 42

DVR-S200/NX-P200
11. DSP RAM CHECK
This menu is used to self-diagnose whether or not the bus
connection for the YSS938 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 con-
nection condition is displayed.
When no error is detected, "NoEr" appears on display.
YSS BUS:NoEr
CS
42
YSS938 BUS CHECK
Display
WAIT
NoEr
DATA
RSCS
ADDR
PLD/SRAM BUS CHECK
Display
WAIT
BUS:NoEr
NoEr
EDxx
EAxx
11. DSP RAM CHECK
YSS938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。
Description
Bus is being checked.
No error detected.
Data bus shorted or open.
/RAS or /CAS shorted, or open.
Address bus shorted or open.
Description
Bus is being checked.
No error detected.
Data bus shorted or open. (xx: 00-07)
Address bus shorted or open. (xx: 00-0E)