1-7
1.6 SERVICE MODE
Press<NEXT >
Press<NEXT >
Press<NEXT >
Press<NEXT >
Press<NEXT >
Press<NEXT >
Press<NEXT > Press<NEXT >
Press<POWER>while pressing
<PAUSE>and<STOP>
“TEST 1” is displayed
STANDBY LED Light on RED
“LED 1” is displayed
FL OFF LED Light on RED
“LED 2” is displayed
All parts of LED is turned on
Each Segment is displayed one by one
Check of key
When key is depressed,
key name is displayed
Version of Front u-COM
(SYM No.QF01)is displayed
“M VERXXXX” is displayed
Power on without Disc
after
<Fast Forward>and<Fast Reverse>
Region code is displayed
“XXX X” is displayed
MS code is displayed
“MSO X” is displayed
MS code is not necessary for service
Region code is displayed
“XXX X” is displayed
ERROR CODE
Error codes are displayed on the FL display.
FL Display Possible causes Operation of the unit
AV1 VER AV-1 chip is not a match with program of system controller.
The sound may not out
with the specific audio.
CPU AERR CPU address error. (Hardware is unusual.) No operation.
DMA AERR DMA address error. (Hardware is unusual.) No operation.
FLASH ID
Difference in versions of the internal ROM of the system controller and of the
flash ROM, or bus line failure or reverse installation.
No operation.
FLASH WRP Write protect error of the flash ROM. No operation.
FLASH SIG
Difference in part number of the flash ROM.
(When the ROM which couldn't be used was used.)
No operation.
FLASH SUM
Check sum error of the flash ROM (It exceeds the regular size.) or
reverse installation. (Hardware is unusual.)
No operation.
FLASH SIZE Size error of the flash ROM. (Use 4 or 8 M-bit.) No operation.
ILLGAL
The system controller fetched a code other than an operation code.
No operation.
(Hardware is unusual.)
RESERVE Undefined interrupt. (Hardware is unusual.) No operation.
SLOT Inappropriate slot command issued. (Hardware is unusual.) No operation.
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