Service manual

DVR-S120/NX-P120
40
DVR-S120
NX-P120

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。
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.
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.
Display Description
WAIT Bus is being checked.
NoEr No error detected.
EDxx Data bus shorted or open. (xx: 00-07)
EAxx Address bus shorted or open. (xx: 00-0E)
YSS938 BUS CHECK
PLD/SRAM BUS CHECK
YSS BUS:NoEr
CS BUS:NoEr