Dsp Ram Check; Yss930 Bus Check; Yss948 Bus Check - Yamaha DVR-S150 Service Manual

DVR-S150/NX-P150

12. 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 con-
nection condition is displayed.
When no error is detected, "No" appears on display.
YSS
SD
13. PROTECTION SETTING
Not applied to these models.
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YSS930 BUS CHECK

BUS:No

YSS948 BUS CHECK

Display
BUS:No
Display Description
WAIT Bus is being checked. /
No No error detected. /
DATA Data bus shorted or open. /
RSCS /RAS or /CAS shorted, or open. /
ADDR Address bus shorted or open. /
Description
Err Defect /
No No error detected. /