Protection Hist; Dsp P.c.b. Check; Ti Bus - Yamaha DSP-AX2700 Service Manual

RX-V2700/DSP-AX2700

17.PROTECTION HIST.

The history of protection function is displayed.
After selecting the sub-menu, press the "STRAIGHT"
key, and the history will be erased.
Last
History1
History2
History3

18.DSP P.C.B. CHECK

Whether the bus of DSP P.C.B. is connected properly
or not is self-diagnosed.

TI BUS

TI (IC534) data bus check is executed.
YSS-930 BUS
YSS-930 (IC550, IC552) data bus check is executed.
Display
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.
44
17.PRTCT HIST.
Last :NO PROT
17.PRTCT HIST.
Hist1:NO PROT
17.PRTCT HIST.
Hist2:NO PROT
17.PRTCT HIST.
Hist3:NO PROT
18.DSP CHECK
TI BUS:NoEr
18.DSP CHECK
YSS BUS:NoEr
Description