Service Mode - Marantz DV12 Service Manual

7. SERVICE MODE

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