Panasonic SA-HT740GCP Service Manual page 25

Error Diagnosis Contents
Code
F602 Access failure to LEAD-IN
caused by demodulation
error
F603 Access failure to KEYDET
caused by demodulation
error
F610 ODC abnormality
F611 No CRC OK for a specific
time (CD)
F612 No CRC OK for a specific
time (DVD)
F620 Laser safeguard: high
temperature condition
F621 Laser safeguard: circuit
failure condition
F103 Illegal highlight Position
F4FF Force initialize failure (time
out)
F700 MBX overflow
F701 Message command does
not end
F702 Message command
changes
F880 Task number is not
appropriate
F890 Sending message when
message is being sent to
AV task
F891 Message couldn't be sent
to AV task
F893 FLASH ROM IC problem
F894 EEPROM abnormality
Description of error
LEAD IN data unreadable
Access failure to CSS data of disc
No permission for command execution
Access failure to seek address in CD
series
Access failure to ID data in DVD series
High temperature of the laser guide unit
(OPU unit)
Circuitry failure of the laser guide unit
(OPU unit)
Big possibility of disc specification
violation during highlight display
Timeout when force initialization fails
When replying message to disc manager
Next message is sent before replying to
disc manager
Message is changed before it is sent as
a reply to disc manager
Message coming from a non-existing
task
Sending message to AV task
Begin sending message to AV task
FLASH ROM IC installed is not operating
properly (Neccessary replacement of
FLASH ROM IC)
EEPROM IC installed is not operating in
normal condition (EEPROM contains
neccessary data)
25
Automatic FL Display
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
Press [ n STOP] on main
unit for next error
SA-HT740GCP
Remarks