Sony DNW-A220, Руководство по обслуживанию

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2-13
DNW-A220
DNW-A220P
ERROR-93 INITIALIZE ERROR
(CPU INITIALIZE)
Description : Abnormality was detected in the communication between SERVO CPU (IC103
on SV-194 board) and DRUM MICOM (IC212/SV-194 board).
Detecting condition : When the diagnostic of each IC at turning on the power or shifting the operation
mode is in abnormal state.
Sub error message and detecting condition :
DRUM : When the communication with DRUM MICOM (IC212 on SV-194
board) is in abnormal state.
Possible causes : . MICOM control interface circuit (IC100, 108 on SY-259/259A board) trouble.
. DRUM MICOM (IC212 on SV-194 board) trouble.
Protecting operation : Displays only this error.
ERROR-96 SY NV-RAM ERROR
(SY NV-RAM ERROR)
Description: The abnormal operation of an NV-RAM (IC112 on SY-259/259A board) for the
system control system was detected.
Sub error messages and Detecting conditions:
CURRENT SETUP : When the data error occurs in the setup menu current
memory area during the data write or read .
SETUP BANK1
: When the data error occurs in the setup menu bank 1
memory area during the data write or read.
SETUP BANK2 : When the data error occurs in the setup menu bank 2
memory area during the data write or read.
SETUP BANK3
: When the data error occurs in the setup menu bank 3
memory area during the data write or read.
SETUP BANK4 : When the data error occurs in the setup menu bank 4
memory area during the data write or read.
ID CODE
: When the data error occurs in the ID code memory area
during the data write or read.
CALENDAR CLOCK : When the calendar/clock function was stopped.
Possible causes:
.
NV-RAM (IC112 on SY-259/259A board) trouble
. Address decoder (IC117 on SY-259/259A board) trouble
. Backup battery inside NV-RAM is out of life
Protecting operations: When the error occurs in setting data of the setup menu, resets those data to the
factory settings.
When the error occurs in ID data, resets the data to 00 00 00 00.
When the error occurs at the calendar/clock function, resets the date and time
data to ’96 11 01 00 00 00 (Year, Month, Day, Hour, Minute, Second).
2-2. Details of Error Messages