Service manual

REPAIR
SERVICE MANUAL
Troubleshooting
3-13
Points to Check Probable Cause Corrective Action Repair
(2) "Incorrect spec!"(when power on)
Do the soldering points for the
Country Code Change-Over
circuit match the ROM?
Solder point setting is
wrong, or the ROM
(#11,#12) is incorrectly
mounted.
Replace the Main
PCB.
Set the correct
solder point, or
replace the
ROM.
(3) "RAM down" (RAM cannot be
accessed at power on)
Is the RAM installed correctly?
RAM improperly
installed (e.g. solder
bridge) or defective
RAM(#10).
Replace the Main
PCB.
Reinstall/replac
e the
RAM(#10).